Flexible fireproof protective cover for cable bridge

Abstract

The invention provides a flexible fireproof protection cover for a cable bridge, and the protection cover comprises a flexible fireproof protection cover assembly which comprises two first protection covers. The shielding protection cover is fixed to the gap where the two first protection covers and the two second protection covers are attached through the first fixing mechanism, then the first protection covers and the second protection covers are fixed to the bridge frame through the second fixing mechanism, and when the heat dissipation ventilation mechanism and the drainage mechanism are subjected to high temperature, a channel is blocked, so that the heat dissipation ventilation mechanism and the drainage mechanism are prevented from being damaged. The first protection cover, the second protection cover, the safety inspection door cover and the heat insulation filler are used for blocking the flames, the use safety of the cable is guaranteed, and the premise of successfully starting the active fire prevention measures is that the normal operation of a control system is guaranteed, an emergency isolation valve is guaranteed to be safely started, the pressure of a container is relieved or a water spraying system is started. Normality of the control system can be guaranteed in a short time, and time is gained for executing active fire prevention.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of protective cover, in particular to a flexible fireproof protective cover for cable bridge. BACKGROUND

[0002] The cable bridge is a metal frame for supporting and laying cables and wires, and is widely used in fields of construction, power, transportation and communication. Its main function is to protect cables and wires from mechanical damage, chemical corrosion and electromagnetic interference, and facilitate the installation, maintenance and replacement of cables and wires.

[0003] Petroleum and chemical production has the characteristics of flammable, explosive, high temperature, high pressure, toxic and harmful, and has high safety requirements. In the case of fire, active fire protection measures need to be started, such as automatic or manual intervention of fire protection, such as water spray system, emergency isolation valve, process pressure reduction, fire jet or fire water cannon.

[0004] In the event of a fire, if the control line or power supply line is damaged, it may result in the inability to start the emergency isolation valve, container pressure relief or the inability to open the water spray system.

[0005] At present, the domestic fireproof measures for overhead cables are basically to replace the fireproof cable bridge. The inner surface of the bridge is sprayed with fireproof paint. When the fireproof cable bridge is on fire, the paint expands to block the heat dissipation holes and protect the cables in the slot box. However, the fireproof cable bridge is not convenient to replace, which increases the operation difficulty of the relevant personnel

[0006] Replacing the original ordinary cable bridge on the engineering site is very large in engineering quantity and extremely difficult. Therefore, a flexible fireproof protective cover for cable bridge is proposed. SUMMARY

[0007] Therefore, the embodiments of the present application hope to provide a flexible fireproof protective cover for cable bridge to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial choice.

[0008] The technical scheme of the embodiment of the present application is implemented in the following manner: a flexible fireproof protective cover for a cable bridge comprises a flexible fireproof protective cover assembly, the flexible fireproof protective cover assembly comprises two first protective covers, two second protective covers, a shielding protective cover, a safety inspection door cover, a heat dissipation and ventilation mechanism, a drainage mechanism, a plurality of first fixing mechanisms and a plurality of second fixing mechanisms, wherein the lower surfaces of the two first protective covers are symmetrically provided with clamping grooves, and the outer walls of the two second protective covers are attached to the inner walls of the corresponding clamping grooves; the two first protective covers are attached to each other, the two second protective covers are attached to each other, and the sides of the two first protective covers and the second protective covers adjacent to each other are attached with a bridge, and the inner walls of the bridge are uniformly provided with cables; the shielding protective cover is arranged on the outer walls of the two first protective covers and the second protective covers, and the shielding protective cover is attached to the two first protective covers and the second protective covers; the plurality of first fixing mechanisms are uniformly arranged on the shielding protective cover, and the plurality of second fixing mechanisms are uniformly arranged on the first protective covers and the second protective covers; the interiors of the first protective covers, the second protective covers and the safety inspection door cover are provided with heat insulation fillers; the lower surface of one of the second protective covers is provided with a heat dissipation through hole and a circular through hole, the heat dissipation and ventilation mechanism and the drainage mechanism are arranged on the one second protective cover, and the safety inspection door cover is arranged on the upper surface of the one first protective cover.

[0009] In some embodiments, the heat dissipation and ventilation mechanism comprises a heat dissipation window, a plurality of first expansion sealing strips and a separation net, wherein the heat dissipation window is arranged on the lower surface of the one second protective cover, the plurality of first expansion sealing strips are uniformly arranged on the upper surface of the heat dissipation window, and the outer walls of the plurality of first expansion sealing strips are attached to the inner walls of the heat dissipation through hole; and the separation net is arranged on the upper surface of the one second protective cover.

[0010] In some embodiments, the drainage mechanism comprises a first limiting drainage pipe, a second limiting drainage pipe, a fixing plate and two second expansion sealing strips, wherein the outer walls of the second limiting drainage pipe and the fixing plate are attached to the inner walls of the circular through hole, the fixing plate is arranged on the inner wall of the second limiting drainage pipe, and the two second expansion sealing strips are symmetrically arranged on the outer wall of the fixing plate; the inner wall of the first limiting drainage pipe is provided with a second threaded groove, the outer wall of the second limiting drainage pipe is provided with a first threaded groove, and the first threaded groove and the second threaded groove are threadedly connected.

[0011] In some embodiments, the first fixing mechanism comprises a first fixing band, two first metal buckles and a first pull belt, wherein the first fixing band is evenly arranged on the lower surface of one side of the shielding protective cover, and the two first metal buckles are sleeved on the inner wall of the first fixing band; the first pull belt is arranged on the lower surface of the other side of the shielding protective cover, and the first pull belt is sleeved on the two first metal buckles.

[0012] In some embodiments, the second fixing mechanism comprises a second fixing band, two second metal buckles and a second pull belt, wherein the second fixing band is evenly arranged on the outer wall of the first protective cover, and the two second metal buckles are sleeved on the inner wall of the second fixing band; the second pull belt is arranged on the lower surface of the second protective cover, and the second pull belt is sleeved on the two second metal buckles.

[0013] In some embodiments, the materials of the two first protective covers, the two second protective covers, the shielding protective cover and the safety inspection door cover are silicone-coated glass fibers.

[0014] In some embodiments, the material of the heat insulation filler is a high-thermal-insulation ceramic fiber insulation material.

[0015] The embodiments of the present application have the following advantages due to the adoption of the above technical solutions:

[0016] The first fixing mechanism is used to fix the shielding protective cover at the gap between the two first protective covers and the two second protective covers, and then the second fixing mechanism is used to fix the first protective cover and the second protective cover on the bridge, and when the heat dissipation and ventilation mechanism and the drainage mechanism are subjected to high temperature, the passage is blocked to prevent the flame from entering the inside, wherein the first protective cover, the second protective cover, the safety inspection door cover and the heat insulation filler are used to block the flame, thereby ensuring the safety of the cable use, and the premise of successfully starting the active fire prevention measure is the normal operation of the control system, which ensures the safe starting of the emergency isolation valve, the container pressure relief or the opening of the water spraying system, and can ensure the normal operation of the control system in a short time, thereby winning time for the execution of the active fire prevention.

[0017] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features will be readily apparent to those skilled in the art by reference to the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the accompanying drawings in the following description only only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0019] Figure 1 is a structural diagram of the present application;

[0020] Figure 2 is a structural diagram of the present application;

[0021] Figure 3 is a structural diagram of the present application Figure 2 is a structural diagram of the present application

[0022] Figure 4 is a structural diagram of the present application Figure 3 is a structural diagram of the present application

[0023] Figure 5 is a structural diagram of the present application Figure 3 is a structural diagram of the present application

[0024] Figure 6 is a structural diagram of the present application

[0025] Figure 7 is a structural diagram of the present application

[0026] Figure 8 is a structural diagram of the present application Figure 7 is a structural diagram of the present application

[0027] Figure 9 is a structural diagram of the present application Figure 7 is a structural diagram of the present application

[0028] Figure 10 is a structural diagram of the present application Figure 7 is a structural diagram of the present application.

[0029] 1, flexible fireproof protective cover assembly; 2, cable; 3, bridge; 4, heat insulation filler; 5, heat dissipation through hole; 6, circular through hole; 7, first threaded groove; 8, second threaded groove; 9, clamping groove; 10, first protective cover; 11, second protective cover; 12, shielding protective cover; 13, safety inspection door cover; 14, heat dissipation ventilation mechanism; 15, drainage mechanism; 16, first fixing mechanism; 17, second fixing mechanism; 140, heat dissipation window; 141, first expansion sealing strip; 142, isolation net; 150, first limiting drainage pipe; 151, second limiting drainage pipe; 152, fixed plate; 153, second expansion sealing strip; 160, first fixed ring belt; 161, first metal ring buckle; 162, first pull belt; 170, second fixed ring belt; 171, second metal ring buckle; 172, second pull belt. DETAILED DESCRIPTION

[0030] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0031] It should be noted that the terms "first", "second", "symmetric", "array", "provided with", "provided in" and the like are only used for distinguishing description and position description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "symmetric" and the like can explicitly or implicitly include one or more of the features; similarly, for some features that are not limited in number by the words "two", "three" and the like, it should be noted that the features also belong to explicitly or implicitly including one or more of the features;

[0032] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "fixing" and the like should be understood in a broad sense; for example, it can be fixedly connected, or detachably connected, or integrally formed; it can be mechanically connected, or directly connected, or welded, or indirectly connected through an intermediate medium, or the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specification and drawings in combination with specific circumstances.

[0033] The embodiments of the present application will be described in detail below in combination with the drawings.

[0034] As Figures 1-10As shown, the embodiment of the present application provides a flexible fireproof protective cover for cable bridge, which comprises a flexible fireproof protective cover assembly 1, the flexible fireproof protective cover assembly 1 comprises two first protective covers 10, two second protective covers 11, a shielding protective cover 12, a safety inspection door cover 13, a heat dissipation ventilation mechanism 14, a drainage mechanism 15, a plurality of first fixing mechanisms 16 and a plurality of second fixing mechanisms 17, wherein the lower surfaces of the two first protective covers 10 are symmetrically provided with clamping grooves 9, and the outer walls of the two second protective covers 11 are attached to the inner walls of the corresponding clamping grooves 9, the two first protective covers 10 are attached to each other, the two second protective covers 11 are attached to each other, and the side adjacent to the two first protective covers 10 and the second protective cover 11 is attached to a bridge 3, the inner walls of the bridge 3 are uniformly provided with cables 2, the shielding protective cover 12 is provided on the outer walls of the two first protective covers 10 and the second protective cover 11, and the shielding protective cover 12 is attached to the two first protective covers 10 and the second protective cover 11, the plurality of first fixing mechanisms 16 are uniformly arranged on the shielding protective cover 12, the plurality of second fixing mechanisms 17 are uniformly arranged on the first protective cover 10 and the second protective cover 11, the interiors of the first protective cover 10, the second protective cover 11 and the safety inspection door cover 13 are provided with heat insulation fillers 4, the lower surfaces of one of the second protective covers 11 are respectively provided with a heat dissipation through hole 5 and a circular through hole 6, the heat dissipation ventilation mechanism 14 and the drainage mechanism 15 are respectively arranged on one of the second protective covers 11, and the safety inspection door cover 13 is arranged on the upper surface of one of the first protective covers 10.

[0035] In the embodiment, specifically, the heat dissipation ventilation mechanism 14 comprises a heat dissipation window 140, a plurality of first expansion sealing strips 141 and a separation net 142, wherein the heat dissipation window 140 is arranged on the lower surface of one of the second protective covers 11, the plurality of first expansion sealing strips 141 are uniformly arranged on the upper surface of the heat dissipation window 140, the outer walls of the plurality of first expansion sealing strips 141 are attached to the inner walls of the heat dissipation through hole 5, and the separation net 142 is arranged on the upper surface of one of the second protective covers 11, so that the heat dissipation window 140 is used for heat dissipation treatment inside, and the separation net 142 is used for avoiding external living things from entering the inside.

[0036] In the embodiment, specifically, the drainage mechanism 15 includes a first limiting drainage pipe 150, a second limiting drainage pipe 151, a fixed plate 152 and two second expansion sealing strips 153. The outer wall of the second limiting drainage pipe 151 and the fixed plate 152 is attached to the inner wall of the circular through hole 6, and the fixed plate 152 is arranged on the inner wall of the second limiting drainage pipe 151. The two second expansion sealing strips 153 are symmetrically arranged on the outer wall of the fixed plate 152. The inner wall of the first limiting drainage pipe 150 is provided with a second threaded groove 8, and the outer wall of the second limiting drainage pipe 151 is provided with a first threaded groove 7. The first threaded groove 7 and the second threaded groove 8 are threadedly connected. Water is discharged through the second limiting drainage pipe 151 and the first limiting drainage pipe 150. The high temperature outside causes the second expansion sealing strip 153 to expand. The second expansion sealing strip 153 is used to block the passage of the second limiting drainage pipe 151, further preventing flames from entering the interior, and is used for safety protection of the cable 2.

[0037] In the embodiment, specifically, the first fixing mechanism 16 includes a first fixed ring belt 160, two first metal ring buckles 161 and a first pull belt 162. The first fixed ring belt 160 is uniformly arranged on the lower surface of one side of the shielding protective cover 12, and the two first metal ring buckles 161 are sleeved on the inner wall of the first fixed ring belt 160. The first pull belt 162 is arranged on the lower surface of the other side of the shielding protective cover 12, and the first pull belt 162 is arranged on the two first metal ring buckles 161. The above arrangement is used for the related personnel to hold the first pull belt 162 to be arranged on the two first metal ring buckles 161, so as to tightly fit the shielding protective cover 12 at the gap between the two first protective covers 10 and the two second protective covers 11.

[0038] In the embodiment, specifically, the second fixing mechanism 17 includes a second fixed ring belt 170, two second metal ring buckles 171 and a second pull belt 172. The second fixed ring belt 170 is uniformly arranged on the outer wall of the first protective cover 10, and the two second metal ring buckles 171 are sleeved on the inner wall of the second fixed ring belt 170. The second pull belt 172 is arranged on the lower surface of the second protective cover 11, and the second pull belt 172 is arranged on the two second metal ring buckles 171. The above arrangement is used for the related personnel to arrange the second pull belt 172 on the two second metal ring buckles 171, so as to fix the second protective cover 11 and the first protective cover 10 on the bridge 3.

[0039] In this embodiment, specifically, the material of the two first protective covers 10, the two second protective covers 11, the shielding protective cover 12 and the safety inspection door cover 13 is silicone-coated glass fiber, and the material of the first protective cover 10, the second protective cover 11, the shielding protective cover 12 and the safety inspection door cover 13 is silicone-coated glass fiber, which has the characteristics of weather resistance, anti-aging / weathering, ultraviolet light resistance, waterproofness, flame retardation, cold resistance, salt mist corrosion resistance, chemical resistance and acid resistance.

[0040] In this embodiment, specifically, the material of the thermal insulation filler 4 is high-thermal-insulation ceramic fiber insulation material, and the density of the high-thermal-insulation ceramic fiber insulation material is 128 kg / m 3 , the material has the characteristics of hydrophobicity and a moisture absorption rate of not more than 5.0%, and does not contain harmful substances and does not contain asbestos derivatives.

[0041] In the working process of the present application: the relevant personnel place the two first protective covers 10 on the bridge 3, then the relevant personnel move the second protective cover 11 into the clamping groove 9, and then the relevant personnel wind the second drawstring 172 around the two second metal ring buckles 171 to fix the second protective cover 11 and the first protective cover 10 on the bridge 3.

[0042] Then the relevant personnel wind the shielding protective cover 12 around the gaps between the two first protective covers 10 and the two second protective covers 11, and the relevant personnel hold the first drawstring 162 and wind it around the two first metal ring buckles 161 to tightly fit the shielding protective cover 12 to the gaps between the two first protective covers 10 and the two second protective covers 11.

[0043] The heat dissipation window 140 is used for heat dissipation inside, and the isolation net 142 is used to prevent external living things from entering the inside.

[0044] If there is water inside, the water is discharged through the second limiting drainage pipe 151 and the first limiting drainage pipe 150.

[0045] When a fire occurs outside, the high temperature outside will cause the first expansion sealing strip 141 and the second expansion sealing strip 153 to expand, the first expansion sealing strip 141 is used to block the heat dissipation window 140 and the heat dissipation through hole 5 to prevent the flame from entering the inside, and the second expansion sealing strip 153 is used to block the passage of the second limiting drainage pipe 151 to further prevent the flame from entering the inside, thereby protecting the cable 2.

[0046] The above merely illustrates the specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of various changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A flexible fireproof protective cover for cable trays, comprising a flexible fireproof protective cover assembly (1), characterized in that: The flexible fireproof protective cover assembly (1) includes two first protective covers (10), two second protective covers (11), a shielding protective cover (12), a security inspection door cover (13), a heat dissipation and ventilation mechanism (14), a drainage mechanism (15), several first fixing mechanisms (16), and several second fixing mechanisms (17), wherein, The lower surfaces of the two first protective covers (10) are symmetrically provided with slots (9), and the outer walls of the two second protective covers (11) are attached to the inner walls of the corresponding slots (9); Two first protective covers (10) are attached together, two second protective covers (11) are attached together, and a cable tray (3) is attached to the adjacent side of the two first protective covers (10) and the second protective covers (11). Cables (2) are evenly arranged on the inner wall of the cable tray (3). The shielding cover (12) is disposed around the outer walls of the two first protective covers (10) and the second protective cover (11), and the shielding cover (12) is in contact with the two first protective covers (10) and the second protective cover (11); A plurality of first fixing mechanisms (16) are evenly disposed on the shielding protective cover (12), and a plurality of second fixing mechanisms (17) are evenly disposed on the first protective cover (10) and the second protective cover (11); The interiors of the first protective cover (10), the second protective cover (11), and the security inspection door cover (13) are all provided with heat insulation filling material (4); The lower surface of one of the second protective covers (11) is provided with heat dissipation through holes (5) and circular through holes (6). The heat dissipation ventilation mechanism (14) and the drainage mechanism (15) are respectively provided on one of the second protective covers (11). The safety inspection door cover (13) is provided on the upper surface of one of the first protective covers (10).

2. The flexible fireproof protective cover for cable trays according to claim 1, characterized in that: The heat dissipation and ventilation mechanism (14) includes a heat dissipation window (140), several first expansion sealing strips (141), and an isolation net (142), wherein, The heat dissipation window (140) is disposed on the lower surface of one of the second protective covers (11), and a plurality of first expansion sealing strips (141) are evenly disposed on the upper surface of the heat dissipation window (140), and the outer wall of the plurality of first expansion sealing strips (141) is attached to the inner wall of the heat dissipation through hole (5). The isolation net (142) is disposed on the upper surface of one of the second protective covers (11).

3. The flexible fireproof protective cover for cable trays according to claim 1, characterized in that: The drainage mechanism (15) includes a first limiting drainage pipe (150), a second limiting drainage pipe (151), a fixing plate (152), and two second expansion sealing strips (153), wherein, The outer walls of the second limiting drain pipe (151) and the fixing plate (152) are attached to the inner wall of the circular through hole (6), and the fixing plate (152) is disposed on the inner wall of the second limiting drain pipe (151), and two second expansion sealing strips (153) are symmetrically disposed on the outer wall of the fixing plate (152). The inner wall of the first limiting drain pipe (150) is provided with a second threaded groove (8), and the outer wall of the second limiting drain pipe (151) is provided with a first threaded groove (7). The first threaded groove (7) and the second threaded groove (8) are threadedly connected.

4. The flexible fireproof protective cover for cable trays according to claim 1, characterized in that: The first fixing mechanism (16) includes a first fixing ring (160), two first metal ring buckles (161), and a first pull strap (162), wherein, The first fixing ring (160) is evenly distributed on the lower surface of one side of the shielding protective cover (12), and the two first metal ring buckles (161) are sleeved on the inner wall of the first fixing ring (160); The first pull strap (162) is disposed on the lower surface of the other side of the shielding cover (12), and the first pull strap (162) is wrapped around the two first metal rings (161).

5. The flexible fireproof protective cover for cable trays according to claim 1, characterized in that: The second fixing mechanism (17) includes a second fixing ring (170), two second metal ring buckles (171), and a second pull strap (172), wherein, The second fixing ring (170) is evenly distributed on the outer wall of the first protective cover (10), and two second metal ring buckles (171) are sleeved on the inner wall of the second fixing ring (170); The second pull strap (172) is disposed on the lower surface of the second protective cover (11), and the second pull strap (172) is wrapped around the two second metal rings (171).

6. The flexible fireproof protective cover for cable trays according to claim 1, characterized in that: The two first protective covers (10), the two second protective covers (11), the shielding protective cover (12), and the security inspection door cover (13) are made of silicone-coated glass fiber.

7. The flexible fireproof protective cover for cable trays according to claim 1, characterized in that: The heat insulation filler (4) is made of high thermal insulation ceramic fiber insulation material.

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