CN113572100B - Fireproof cable bridge with high safety - Google Patents
Fireproof cable bridge with high safety Download PDFInfo
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- CN113572100B CN113572100B CN202111124878.2A CN202111124878A CN113572100B CN 113572100 B CN113572100 B CN 113572100B CN 202111124878 A CN202111124878 A CN 202111124878A CN 113572100 B CN113572100 B CN 113572100B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0456—Ladders or other supports
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
- H02G3/0412—Heat or fire protective means
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- Civil Engineering (AREA)
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Abstract
The invention discloses a fireproof cable bridge with high safety, belonging to the field of cable installation equipment, a hollow bearing plate is additionally arranged in the existing bridge structure, the left side and the right side of the hollow bearing plate are respectively provided with an inflatable jacket for clamping a cable, the cable and the hollow bearing plate have a gap and are matched with a plurality of heat dissipation holes, so that the ventilation and the heat dissipation of the cable are convenient, when the cable spontaneously ignites at high temperature or encounters external fire, a hot melting sling is subjected to hot melting under the high-temperature environment, a bearing sleeve falls down to enable a falling ball to overcome bonding force and fall down and drive a fireproof rope to move, so that the fireproof cover is pulled upwards to turn over, the fireproof cover turns over to the upper end part of the hollow bearing plate, on one hand, the air is blocked by the inner cable, on the other hand, the fireproof cover prevents gas from overflowing, the flame retardant effect on the cable is improved, in addition, the upwards-turned-over fireproof cover plays a magnetic attraction rotation role on a pair of magnetic sealing plates, and the flame retardant gas overflows after the flame retardant box is opened, the fire extinguishing and flame retarding are carried out on the inner side and the outer side of the bridge, and the safety of cable installation is improved.
Description
Technical Field
The invention relates to the field of cable installation equipment, in particular to a fireproof cable bridge with high safety.
Background
The cable bridge frame is more and more to being set up the installation in the building, and the main effect of cable bridge frame is to carry out cross-under, wiring to the cable conductor, makes things convenient for the electrical part in the building to walk the line, reduces the occupation space of cable, and is convenient for people to carry out the overlap joint and reason line to the cable.
The existing cable bridge mostly adopts a closed or semi-closed structure, because the cable can generate heat in the running and using process, the closed design is not beneficial to ventilation and heat dissipation, but when the cable generates heat and spontaneously burns or meets the outside or the condition due to overlarge current-carrying capacity in the using process, the cable bridge of the semi-closed structure cannot play a good fireproof and heat-insulating role, the cable is extremely easy to cause the fire and spread, and the safety of power transmission is seriously influenced.
Therefore, a fireproof cable bridge with high safety is provided to effectively solve some problems in the prior art.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a fireproof cable bridge with high safety, wherein a hollow bearing plate is additionally arranged in the existing bridge structure, when a cable spontaneously ignites at high temperature or encounters an external fire, a hot-melting sling is hot-melted in a high-temperature environment, a bearing sleeve falls down to enable a falling ball to overcome bonding force and fall down and drive a fireproof rope to move, so that a fireproof cover is pulled upwards to overturn, on one hand, air is blocked by an inner-side cable, on the other hand, gas in the fireproof cover overflows, the flame-retardant effect on the cable is improved, in addition, the upwards-overturned fireproof cover plays a magnetic attraction rotating role on a pair of magnetic sealing plates, the flame-retardant gas overflows after the fireproof box is opened, the fire extinguishment and the flame retardance are carried out on the inner side and the outer side of the bridge, and the safety of cable installation is improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A high-safety fireproof cable bridge comprises an upper frame plate and a lower frame plate which are arranged up and down, the lower frame plate is connected with the upper frame plate through a pair of clapboards, a cover plate is embedded on the upper frame plate, the left end wall and the right end wall of the upper frame plate are respectively provided with a plurality of heat dissipation holes, a hollow bearing plate positioned at the inner side of the lower frame plate is connected between the pair of clapboards, the left side and the right side of the hollow bearing plate are respectively connected with a pair of inflatable jackets, a fireproof cover is movably sleeved in the hollow bearing plate, an air storage cavity is arranged in the fireproof cover and stores flame-retardant gas, a positioning plate is arranged at the upper end of one side of the hollow bearing plate, a pair of guide rings is fixedly connected on the positioning plate, an embedded cavity corresponding to the position of the guide rings is arranged on the upper end wall of the fireproof cover away from the positioning plate, the embedded cavity is communicated with the air storage cavity, one end of the guide rings away from the positioning plate is sealed and embedded in the embedded cavity, a fireproof rope is movably sleeved on the guide rings, fireproof rope one end is connected on the fire prevention cover, the fireproof rope other end runs through the locating plate in proper order, cavity bearing board, baffle and down fixedly connected with tenesmus ball, set up the chamber of falling that corresponds with fireproof rope perforation position on the baffle, the tenesmus ball top bonds in the baffle bottom of chamber department of falling, the top is connected with the hot melt hoist cable that corresponds with chamber position of falling in the upper ledge board, the hot melt hoist cable lower extreme is connected with the bearing sleeve who is located the tenesmus ball top, the end wall of lower ledge board bottom is equipped with the sleeve of accepting that is located the tenesmus ball below, it has flame retardant gas's fire-retardant case equally to fill on a pair of baffle all to be equipped with, a pair of fire-retardant case all rotates to link up the magnetic closing plate relatively to the lateral wall, it is equipped with the magnetic layer of inhaling to inlay on the corresponding lateral wall in fireproof rope and a pair of magnetic closing plate position.
Furthermore, a plurality of inflatable jackets all include the hollow air bag of connecting on the wall of hollow bearing board inner end, and the outer end wall of hollow air bag is equipped with the slipmat, and a plurality of inflatable jackets are connected through the gas tube.
Furthermore, the inside arc sliding chamber that corresponds with the fire prevention cover position of seting up of cavity bearing board, the left and right ends of cavity bearing board all are located the arc sliding chamber inboard, and one of them end of fire prevention cover is less than locating plate bottom end portion.
Furthermore, the inner end face of the fireproof cover, which is attached to the arc-shaped sliding cavity, is made of a breathable material, and a sealing gasket which is in sealing connection with the guide ring is coated at the embedding cavity.
Furthermore, the outer end face of the guide ring is provided with a sliding groove, and the fireproof rope is movably connected in the sliding groove, so that the stability of the fireproof rope in the traction process is improved, and the fireproof cover can be overturned to the upper side of the hollow bearing plate smoothly.
Furthermore, the top end of the falling ball is provided with a bonding layer bonded with the partition plate, and the bearing sleeve is positioned on one side of the fireproof rope and provided with a hollow sleeve cavity penetrating to the bottom.
Furthermore, the dropping ball and the bearing sleeve are made of high-density materials, and the hot-melt sling is made of hot-melt materials.
Further, the distance length between the falling ball and the bottom of the bearing sleeve is greater than the circumference length of the fireproof cover, so that the fireproof cover can be overturned upwards to one side of the positioning plate under the traction action of the fireproof rope.
Furthermore, the magnetic sealing plate is rotatably connected to the flame-retardant box through a rotating shaft, a torsion spring is mounted on the rotating shaft, and a sealing layer is arranged between the magnetic sealing plate and the inner end wall of the flame-retardant box.
Furthermore, the magnetic sealing plate and the magnetic layer are made of magnetic materials which are magnetically attracted with each other.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme is characterized in that a hollow bearing plate is additionally arranged in the existing bridge structure, the left side and the right side of the hollow bearing plate are respectively provided with an inflatable jacket for clamping a cable, the cable and the inner wall of the hollow bearing plate have a clearance and are matched with a plurality of heat dissipation holes to facilitate ventilation and heat dissipation of the cable, when the cable spontaneously ignites at high temperature or encounters an external fire, a hot-melt sling is hot-melted in a high-temperature environment, a bearing sleeve falls down to enable a falling ball to overcome bonding force and fall down to drive a fireproof rope to move, so that the fireproof cover is pulled upwards to turn over, the fireproof cover turns over to the upper end part of the hollow bearing plate, on one hand, air is blocked by an inner side cable, on the other hand, gas in the fireproof cover overflows, the flame retardant effect on the cable is improved, in addition, the upwards-turned fireproof cover plays a magnetic attraction rotating role on a pair of magnetic sealing plates, the flame retardant box overflows flame retardant gas after being opened, and extinguishes and retards the inner side and the outer side of the bridge, the safety of cable installation is improved.
(2) Aerify in this scheme press from both sides the cover including connecting the cavity gasbag on cavity bearing board inner end wall, the outer end wall of cavity gasbag is equipped with the slipmat, and be connected through the gas tube between a plurality of aerifing the clamp cover, utilize the gas tube to a plurality of aerifing clamp cover insidely aerify, place the cable in cavity bearing board department back, it can carry out the flexible clamp to the cable to press from both sides the cover with aerifing of distribution about the realization, on the one hand plays limiting displacement to the cable, on the other hand sets up the cable in cavity bearing board, there is the clearance between cable bottom and the cavity bearing board inner wall, a plurality of louvres that the cooperation both sides were seted up, so that the ventilation and heat dissipation of cable.
(3) This scheme is at the inside arc slip chamber of offering corresponding with the fire prevention cover position of cavity bearing board, the left and right ends of cavity bearing board all is located arc slip intracavity side, the interior terminal surface that fire prevention cover and arc slip chamber were laminated mutually adopts ventilative material to make, it has the sealed pad that links up with the guide ring is sealed to inlay the chamber department cladding, under initial condition, fire prevention cover is located cavity bearing board, fire-retardant gas in the fire prevention cover seals inside fire prevention cover, after fire prevention cover is drawn upset to cavity bearing board upper end, the interior terminal surface of fire prevention cover is jeopardized to cavity bearing board upper end, fire-retardant gas who spills over from interior terminal surface overflows in cable department, when cable high temperature spontaneous combustion or when being influenced by external conflagration, the fire-retardant gas who spills over plays fire-retardant effect.
(4) This scheme is equipped with the adhesive linkage that bonds mutually with the baffle at the ball top end that weighs down, and bearing sleeve pipe is located fire rope one side and has seted up the cavity cover that runs through to the bottom and establish the chamber, and under normal condition, utilize adhesive linkage cooperation fire prevention cover to make the ball that weighs down connect under the baffle on the terminal surface to its pulling force, when bearing sleeve pipe weighs down and hits the ball that weighs down, the ball that weighs down overcomes bonding force whereabouts to make the fire prevention cover upwards overturn along the guide ring through the pulling fire rope.
(5) This scheme all adopts the high density material to make ball and bearing sleeve pipe that will fall, hot melt sling adopts hot melt material to make, when under the conflagration condition, hot melt sling receives high temperature to influence and the hot melt, the bearing sleeve pipe that is located the hot melt sling bottom breaks away from the hot melt sling tenesmus because of its self gravity, and all adopt the high density material to make ball and bearing sleeve pipe that will fall, be convenient for both receive self gravity to fall down fast, and the distance length of falling the ball and accepting between the sleeve bottom is greater than the circumference length of fire prevention cover, in order to satisfy under the traction of fire prevention rope the fire prevention cover can upwards overturn to locating plate one side department.
(6) This scheme rotates the magnetic seal board through the pivot and connects on fire-retardant case, install torsion spring in the pivot, be equipped with the sealing layer between the terminal wall in magnetic seal board and fire-retardant case, magnetic seal board and magnetism inhale the magnetic material that the layer adopted mutual magnetism to inhale and make, under normal condition, the magnetic seal board can stably seal on fire-retardant case terminal surface, after the fire prevention cover is overturned to cavity bearing board upper end, because magnetism inhales the layer and is close to with magnetic seal board position level, thereby play magnetism to the magnetic seal board and inhale the pulling action, the magnetic seal board draws close to fire prevention cover one side, the magnetic seal board is rotated and is opened the back, the flame retardant gas of fire-retardant incasement portion spills over, it is fire-retardant to put out for the upper ledge inboard.
Drawings
FIG. 1 is a schematic view of the present invention after installation with a cable;
FIG. 2 is a first schematic structural view of the present invention when the cover plate is not installed;
FIG. 3 is a second schematic structural view of the present invention without a cover plate;
FIG. 4 is a partial cross-sectional view of the present invention with the cover plate not installed;
FIG. 5 is a schematic view of a part of the structure of the joint of the hollow supporting plate, the fireproof cover and the guide ring;
FIG. 6 is a schematic front view of the present invention;
FIG. 7 is a schematic front view of the joint of the hollow support plate, the fireproof cover and the guide ring of the present invention;
FIG. 8 is a first external view of the fire-resistant cover of the present invention in a fire situation after it has been turned upwards;
FIG. 9 is a second external view of the fire-resistant cover of the present invention in a fire situation after the fire-resistant cover is turned upwards;
fig. 10 is a front view showing the inner state of the fire-proof cover of the present invention after it is turned upward in case of fire.
The reference numbers in the figures illustrate:
1 lower frame plate, 2 upper frame plates, 201 heat dissipation holes, 3 hollow bearing plates, 301 positioning plates, 4 fireproof covers, 5 guide rings, 6 fireproof ropes, 7 dropping balls, 8 bearing sleeves, 9 bearing sleeves, 10 hot melt slings, 11 inflatable jackets, 12 inflatable pipes, 13 flame-retardant boxes and 131 magnetic sealing plates.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-3, a high-safety fireproof cable bridge comprises an upper frame plate 2 and a lower frame plate 1 arranged up and down, the lower frame plate 1 is connected with the upper frame plate 2 through a pair of partition plates, a cover plate is embedded on the upper frame plate 2, a plurality of heat dissipation holes 201 are arranged on the left and right end walls of the upper frame plate 2, a hollow bearing plate 3 positioned on the inner side of the lower frame plate 1 is connected between the pair of partition plates, a pair of inflatable jackets 11 are connected on the left and right sides of the hollow bearing plate 3, the inflatable jackets 11 are arc-shaped, each inflatable jacket 11 comprises a hollow air bag connected to the inner end wall of the hollow bearing plate 3, the outer end wall of the hollow air bag is provided with an anti-skid pad, the inflatable jackets 11 are connected through an inflation tube 12, one inflation tube 12 is provided with an inflation nozzle, the inflation tube 12 is used for inflating the interiors of the inflatable jackets 11, after a cable is placed on the hollow bearing plate 3, the inflatable jacket 11 that distributes about realizing can carry out the flexibility to the cable and press from both sides tightly, plays limiting displacement to the cable on the one hand, and on the other hand erects the cable in cavity bearing board 3, has the clearance between cable bottom and the 3 inner walls of cavity bearing board to the ventilation cooling of cable.
Referring to fig. 3-8, a fire-proof cover 4 is movably sleeved in a hollow supporting plate 3, a gas storage cavity is formed in the fire-proof cover 4, flame-retardant gas is stored in the gas storage cavity, a positioning plate 301 is disposed at an upper end of one side of the hollow supporting plate 3, an arc-shaped sliding cavity corresponding to the position of the fire-proof cover 4 is formed in the hollow supporting plate 3, left and right ends of the hollow supporting plate 3 are located inside the arc-shaped sliding cavity, one end of the fire-proof cover 4 is lower than a bottom end of the positioning plate 301, a pair of guide rings 5 are fixedly connected to the positioning plate 301, an embedding cavity corresponding to the position of the guide ring 5 is formed in an upper end wall of the fire-proof cover 4 far away from the positioning plate 301, the embedding cavity is communicated with the gas storage cavity, one end of the guide ring 5 far away from the positioning plate 301 is hermetically embedded in the embedding cavity, a fire-proof rope 6 is movably sleeved on the guide ring 5, one end of the fire-proof rope 6 is connected to the fire-proof cover 4, and the other end of the fire-proof rope 6 sequentially penetrates through the positioning plate 301, Hollow bearing plate 3, baffle and fixedly connected with ball 7 that weighs down, the sliding tray has been seted up to the outer terminal surface of guide ring 5, and 6 activities of fire prevention rope link up in the sliding tray, are favorable to improving the stability of 6 traction in-process of fire prevention rope to more do benefit to and overturn fire prevention cover 4 to hollow bearing plate 3 upside smoothly, realize playing fire-retardant effect to the cable of hollow bearing plate 3 department.
Referring to fig. 6-10, a falling cavity corresponding to the position of the perforation of the fire-proof rope 6 is formed on the partition board, the top end of the falling ball 7 is bonded to the bottom end of the partition board at the falling cavity, the top end of the falling ball 7 is provided with a bonding layer bonded to the partition board, a hollow sleeve cavity penetrating to the bottom is formed on one side of the fire-proof rope 6 of the bearing sleeve 9, the top of the upper frame plate 2 is connected with a hot-melt sling 10 corresponding to the falling cavity, the lower end of the hot-melt sling 10 is connected with the bearing sleeve 9 above the falling ball 7, the bottom wall of the lower frame plate 1 is provided with a bearing sleeve 8 below the falling ball 7, the distance between the falling ball 7 and the bottom of the bearing sleeve 8 is longer than the circumferential length of the fire-proof cover 4, so that the fire-proof cover 4 can be turned upwards to one side of the positioning plate 301 under the traction of the fire-proof rope 6, and the falling ball 7 and the bearing sleeve 9 are both made of high-density material, hot melt hoist cable 10 adopts hot melt material to make, when under the conflagration condition, hot melt hoist cable 10 receives the high temperature influence and hot melt, bearing sleeve 9 that is located hot melt hoist cable 10 bottom is because of its self gravity tenesmus, thereby pass the chamber of falling and assault on the ball 7 that falls, make ball 7 that falls break away from the baffle tenesmus, pull the fire prevention rope 6 and move about on 5 end walls of guide ring after ball 7 that falls, thereby will prevent fire cover 4 upwards pulling upset, set up the cavity with bearing sleeve 9 one side and establish the chamber, bearing sleeve 9 relies on the cavity cover is established the chamber cover and is located on fire prevention rope 6, effectively avoid bearing sleeve 9's tenesmus influence fire prevention rope 6 to the work of pulling of fire cover 4.
The interior terminal surface that fire prevention cover 4 and arc sliding chamber were laminated mutually adopts ventilative material to make, interior terminal surface is linked together with the gas storage chamber and sets up, it has the sealed pad of sealed linking with guide ring 5 to inlay the cladding of establishing chamber department, under initial condition, fire prevention cover 4 is located cavity bearing board 3, the terminal surface closely laminates arc sliding chamber in fire prevention cover 4, flame retardant gas seals inside fire prevention cover 4, after fire prevention cover 4 is pulled upset to cavity bearing board 3 upper end, the terminal surface exposes and faces cavity bearing board 3 upper end in fire prevention cover 4, flame retardant gas who overflows through its interior terminal surface fills in cable department, when cable high temperature spontaneous combustion or influenced by external conflagration, the flame retardant gas who overflows plays fire prevention flame retardant efficiency.
Referring to fig. 9-10, a pair of partition boards are provided with fire retardant boxes 13 filled with fire retardant gas, a pair of fire retardant boxes 13 are rotatably connected with magnetic sealing plates 131 at opposite side walls, a fire rope 6 is embedded with a magnetic attraction layer at the side wall corresponding to the pair of magnetic sealing plates 131, concretely, the magnetic sealing plates 131 are rotatably connected to the fire retardant boxes 13 through a rotating shaft, a torsion spring is installed on the rotating shaft, a sealing layer is provided between the magnetic sealing plates 131 and the inner end wall of the fire retardant boxes 13, in a normal state, the magnetic sealing plates 131 are embedded in the fire retardant boxes 13 by the torsion spring in a sealing manner, the magnetic sealing plates 131 and the magnetic attraction layer are made of magnetic materials which attract each other, when the fire-proof cover 4 is turned over to the upper end of the hollow supporting plate 3, the magnetic attraction layer and the magnetic sealing plates 131 are horizontally close to each other, thereby playing a magnetic attraction traction role for the magnetic sealing plates 131, and the magnetic sealing plates 131 approach to one side of the fire rope 6, when the magnetic sealing plate 131 is rotated to open, the flame-retardant gas inside the flame-retardant box 13 overflows to extinguish the fire and retard the flame inside and outside the upper frame plate 2.
Compared with a cable bridge in the prior art, the device is characterized in that a hollow bearing plate 3 is additionally arranged between an upper frame plate 2 and a lower frame plate 1 which are arranged up and down, flame retardant boxes 13 which can be inflated are arranged on the left side and the right side of the hollow bearing plate 3 and used for limiting and clamping cables, a large gap exists between the cables and the inner wall of the hollow bearing plate 3, and a plurality of heat dissipation holes 201 which are formed in the two sides of the upper frame plate 2 are matched to realize ventilation and heat dissipation of the cables;
when the cable is spontaneously combusted at high temperature or encounters an external fire, the hot-melting sling 10 is hot-melted in a high-temperature environment, the bearing sleeve 9 is separated from the hot-melting sling 10, falls down and hits the falling ball 7, so that the falling ball 7 overcomes the bonding force and falls down, the falling ball 7 falls down to drive the fireproof rope 6 to move in a traction way, thereby upwards stimulate 4 upsets of fire prevention cover, 4 upsets of fire prevention cover to the cable upper end of 3 departments of cavity bearing board, separation circulation of air on the one hand, its inside flame retardant gas spills over after on the other hand fire prevention cover 4 is drawn out, further improved the flame retardant efficiency to the cable department, furthermore, the ascending fire prevention cover 4 of upset still plays the magnetic attraction effect to a pair of magnetic seal plate 131, fire-retardant case 13 is opened in a pair of magnetic seal plate 131 rotation, the inside flame retardant gas of fire-retardant case 13 spills over, further put out a fire for the 2 inside and outside of upper ledge board, expand the fire-retardant scope of preventing fires, the security of cable installation is improved.
The components used in the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a fireproof cable crane span structure of high security, includes upper ledge board (2) and lower ledge board (1) that set up from top to bottom, its characterized in that: the lower frame plate (1) is connected with the upper frame plate (2) through a pair of partition plates, a cover plate is embedded on the upper frame plate (2), a plurality of heat dissipation holes (201) are formed in the left end wall and the right end wall of the upper frame plate (2), a hollow bearing plate (3) located on the inner side of the lower frame plate (1) is connected between the pair of partition plates, and a pair of air-filled jackets (11) are connected to the left side and the right side of the hollow bearing plate (3);
the fire-proof cover (4) is sleeved on the inner movable sleeve of the hollow bearing plate (3), a gas storage cavity is formed in the fire-proof cover (4), flame-retardant gas is stored in the gas storage cavity, a positioning plate (301) is arranged at the upper end of one side of the hollow bearing plate (3), a pair of guide rings (5) is fixedly connected to the positioning plate (301), an embedded cavity corresponding to the position of the guide ring (5) is formed in the upper end wall of the fire-proof cover (4) away from the positioning plate (301), the embedded cavity is communicated with the gas storage cavity, one end of the guide ring (5) away from the positioning plate (301) is hermetically embedded in the embedded cavity, a fire rope (6) is sleeved on the guide ring (5), one end of the fire rope (6) is connected to the fire-proof cover (4), and the other end of the fire rope (6) sequentially penetrates through the positioning plate (301), the hollow bearing plate (3), the partition plate and a downward fixedly connected ball (7), a falling cavity corresponding to the position of a through hole of the fireproof rope (6) is formed in the partition plate, the top end of the falling ball (7) is bonded to the bottom end of the partition plate at the falling cavity, a hot-melt sling (10) corresponding to the position of the falling cavity is connected to the inner top of the upper frame plate (2), the lower end of the hot-melt sling (10) is connected with a bearing sleeve (9) positioned above the falling ball (7), and a bearing sleeve (8) positioned below the falling ball (7) is arranged on the bottom end wall of the lower frame plate (1);
the pair of partition plates are respectively provided with a flame-retardant box (13) filled with flame-retardant gas, the opposite side walls of the pair of flame-retardant boxes (13) are rotatably connected with a magnetic sealing plate (131), and the side walls of the fire-proof rope (6) corresponding to the pair of magnetic sealing plates (131) are embedded with magnetic absorption layers.
2. A high security fire-resistant cable tray as defined in claim 1, wherein: the inflatable jackets (11) comprise hollow air bags connected to the inner end wall of the hollow bearing plate (3), anti-slip pads are arranged on the outer end walls of the hollow air bags, and the inflatable jackets (11) are connected through inflatable pipes (12).
3. A high security fire-resistant cable tray as defined in claim 1, wherein: the fireproof cover is characterized in that an arc-shaped sliding cavity corresponding to the fireproof cover (4) is formed in the hollow bearing plate (3), the left end and the right end of the hollow bearing plate (3) are located on the inner side of the arc-shaped sliding cavity, and one end of the fireproof cover (4) is lower than the bottom end of the positioning plate (301).
4. A high security fire-resistant cable tray as claimed in claim 3, wherein: the inner end face of the fireproof cover (4) which is attached to the arc-shaped sliding cavity is made of a breathable material, and a sealing gasket which is in sealing connection with the guide ring (5) is coated at the embedding cavity.
5. A high security fire-resistant cable tray as defined in claim 1, wherein: the outer end face of the guide ring (5) is provided with a sliding groove, and the fireproof rope (6) is movably connected in the sliding groove.
6. A high security fire-resistant cable tray as defined in claim 1, wherein: the top end of the falling ball (7) is provided with a bonding layer bonded with the partition plate, and the bearing sleeve (9) is positioned on one side of the fireproof rope (6) and provided with a hollow sleeve cavity penetrating through to the bottom.
7. A high security fire-resistant cable tray as defined in claim 1, wherein: the falling ball (7) and the bearing sleeve (9) are made of high-density materials, and the hot-melt sling (10) is made of hot-melt materials.
8. A high security fire-resistant cable tray as defined in claim 1, wherein: the distance length between the falling ball (7) and the bottom of the bearing sleeve (8) is greater than the circumferential length of the fireproof cover (4).
9. A high security fire-resistant cable tray as defined in claim 1, wherein: the magnetic sealing plate (131) is rotatably connected to the flame-retardant box (13) through a rotating shaft, and a sealing layer is arranged between the magnetic sealing plate (131) and the inner end wall of the flame-retardant box (13).
10. A high security fire-resistant cable tray as defined in claim 1, wherein: the magnetic sealing plate (131) and the magnetic attraction layer are made of magnetic materials which are magnetically attracted with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111124878.2A CN113572100B (en) | 2021-09-25 | 2021-09-25 | Fireproof cable bridge with high safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111124878.2A CN113572100B (en) | 2021-09-25 | 2021-09-25 | Fireproof cable bridge with high safety |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113572100A CN113572100A (en) | 2021-10-29 |
| CN113572100B true CN113572100B (en) | 2021-11-30 |
Family
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Family Applications (1)
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| CN202111124878.2A Active CN113572100B (en) | 2021-09-25 | 2021-09-25 | Fireproof cable bridge with high safety |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114498499B (en) * | 2022-02-21 | 2024-08-30 | 广东华东星科技有限公司 | Cable bridge for electromechanical equipment |
| CN114843958B (en) * | 2022-07-04 | 2022-09-09 | 南通市通能通讯科技有限公司 | Covering type cable bridge with fire delaying function |
| CN115347513B (en) * | 2022-10-17 | 2023-01-13 | 江苏中瑞电气集团有限公司 | Combined bus duct |
| CN116706796B (en) * | 2023-08-07 | 2023-10-03 | 扬州市华宇电器设备有限公司 | Fireproof cable bridge |
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| CN108619638A (en) * | 2018-05-25 | 2018-10-09 | 兖州煤业股份有限公司 | Venetian blind type hot aerosol automatic fire extinguishing system, corresponding electric appliance cabinet and its installation method, extinguishing method |
| CN208461376U (en) * | 2018-06-05 | 2019-02-01 | 中铁十五局集团电气化工程有限公司 | A kind of self-extinguishing cable trough |
| CN210770484U (en) * | 2019-10-24 | 2020-06-16 | 重庆市雄吉通风设备股份有限公司 | Fusing type fire-proof valve |
| CN211320819U (en) * | 2019-12-20 | 2020-08-21 | 江苏赛特电气有限公司 | Fire-resistant groove type cable bridge |
| CN212137173U (en) * | 2020-05-29 | 2020-12-11 | 浙江高得汇实业有限公司 | Fireproof cable bridge |
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2021
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108619638A (en) * | 2018-05-25 | 2018-10-09 | 兖州煤业股份有限公司 | Venetian blind type hot aerosol automatic fire extinguishing system, corresponding electric appliance cabinet and its installation method, extinguishing method |
| CN208461376U (en) * | 2018-06-05 | 2019-02-01 | 中铁十五局集团电气化工程有限公司 | A kind of self-extinguishing cable trough |
| CN210770484U (en) * | 2019-10-24 | 2020-06-16 | 重庆市雄吉通风设备股份有限公司 | Fusing type fire-proof valve |
| CN211320819U (en) * | 2019-12-20 | 2020-08-21 | 江苏赛特电气有限公司 | Fire-resistant groove type cable bridge |
| CN212137173U (en) * | 2020-05-29 | 2020-12-11 | 浙江高得汇实业有限公司 | Fireproof cable bridge |
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| CN113572100A (en) | 2021-10-29 |
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