CN116247581A - Breathable fire-resistant cable bridge - Google Patents
Breathable fire-resistant cable bridge Download PDFInfo
- Publication number
- CN116247581A CN116247581A CN202211612262.4A CN202211612262A CN116247581A CN 116247581 A CN116247581 A CN 116247581A CN 202211612262 A CN202211612262 A CN 202211612262A CN 116247581 A CN116247581 A CN 116247581A
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- shielding plate
- bridge
- bridge body
- air
- resistant cable
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- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims abstract description 16
- 210000001503 joint Anatomy 0.000 claims abstract description 15
- 238000009423 ventilation Methods 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000003063 flame retardant Substances 0.000 claims description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 abstract description 2
- 238000003475 lamination Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 6
- 230000002265 prevention Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004321 preservation Methods 0.000 description 3
- 238000009960 carding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
Images
Classifications
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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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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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
- H02G3/03—Cooling
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a breathable fire-resistant cable bridge, which comprises a bridge body, wherein a protective lamination is arranged on the inner wall of the bridge body, at least two groups of limiting pieces are arranged in the bridge body, a plurality of rolling balls which are in contact with cables are arranged in each group of limiting pieces, a plurality of regulating plates which are arranged at equal intervals are respectively embedded in two sides of the bridge body, regulating grooves and ventilation holes which are staggered with each other are arranged in the center of the inside of the regulating plates, the ventilation holes are positioned in the center of the regulating grooves, a filter screen is arranged on one side of each ventilation hole, a shielding plate is arranged in each regulating groove in a sliding mode, a butt joint hole is formed in each shielding plate, a mounting groove which is connected with each regulating groove is arranged in each shielding plate, and a power assembly which is used for controlling the movement of the shielding plate is arranged in each mounting groove. The size of the ventilation holes of the cable bridge can be adjusted along with the temperature difference between the inside and the outside of the cable bridge, so that the cable bridge has good ventilation property while the fire resistance of the cable bridge is ensured.
Description
Technical Field
The invention mainly relates to the technical field of cable bridges, in particular to a breathable fire-resistant cable bridge.
Background
The cable bridge frame is divided into a groove type structure, a tray type structure, a ladder frame type structure, a grid type structure and the like, and consists of a bracket, a bracket arm, an installation accessory and the like. The bridge frame in the building can be independently erected, can be laid on various building (construction) structures and pipe gallery brackets, and has the characteristics of simple structure, attractive appearance, flexible configuration, convenient maintenance and the like, all parts are required to be galvanized, and the bridge frame is installed outside the building.
When a fire disaster occurs, the flame directly burns the cable, so that the cable maintenance working time is short, the emergency requirement cannot be ensured, and the loss caused by the fire disaster is increased. However, the cable bridge has fire resistance and simultaneously reduces the thermal conductivity, and the internal temperature of the cable can rise in the use process, so that the cable is extremely easy to fire, and ventilation holes are needed to be formed in the cable bridge.
If the air holes on the cable bridge are too large, external flame can easily enter the cable bridge through the air holes, and the inside of the cable bridge is influenced, so that the cable bridge cannot well cope with external fire, and if the air holes are too small, the inside of the cable bridge cannot effectively ventilate and dissipate heat, and the cable is caused to fire.
Disclosure of Invention
The technical scheme of the invention aims at the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and mainly provides a breathable fire-resistant cable bridge, so as to solve the technical problem that the cable bridge has good air permeability and good fire resistance in the prior art.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a ventilative fire-resistant cable testing bridge, includes the testing bridge body, install the protection stromatolite on the testing bridge body inner wall, the testing bridge body is inside to be equipped with two at least groups restriction piece, every group the restriction piece is inside all to be equipped with a plurality of spin of contacting with the cable, the testing bridge body both sides inlay respectively and are equipped with the regulating plate that a plurality of equidistance set up, regulating plate inside center is equipped with crisscross adjustment tank and bleeder vent each other, just the bleeder vent is located the adjustment tank center, the filter screen is installed to bleeder vent one side, the inside slip of adjustment tank has the shielding plate, the butt joint hole has been seted up to the inside shielding plate, the shielding plate both sides are equipped with the standing groove of being connected with the adjustment tank respectively, standing groove internally mounted has the power pack of control shielding plate removal.
Preferably, the protective laminated layer is sequentially provided with a fireproof coating, a heat preservation layer and a flame retardant layer from inside to outside.
Preferably, the limiting piece comprises a supporting bar, an arc groove for accommodating a cable is formed in the center of the upper end of the supporting bar, a plurality of rolling balls are respectively rotatably installed on two sides of the inner portion of the arc groove, a plurality of limiting rods are respectively installed on two sides of the upper end of the supporting bar, and the rolling balls and the limiting rods are all distributed in a row-shaped equidistant mode.
Preferably, the blocking area and the contact area are arranged on the shielding plate, the blocking area and the contact area are respectively positioned at two sides of the butt joint hole, and the widths of the butt joint hole and the blocking area are larger than the widths of the ventilation holes.
Preferably, limit strips are respectively arranged on two sides of one end, close to the butt joint hole, of the plugging area, and a cleaning strip in contact with the filter screen is arranged on one of the limit strips.
Preferably, the adjusting plate and the shielding plate are both flame-retardant and heat-insulating plates.
Preferably, the power component comprises an air box, a heat conducting rod is arranged on the air box, one end of the air box is connected with an air duct, the other end of the air duct is connected with a telescopic pull tube arranged in the accommodating groove, and the other end of the telescopic pull tube is connected with the shielding plate.
Preferably, the same two air boxes on the adjusting plate, wherein one air box is located inside the bridge body, the heat conducting rod connected with the air box is located above the cable, the other air box is located outside the bridge body, and the heat conducting rod connected with the air box is far away from the air holes.
Compared with the prior art, the invention has the beneficial effects that:
(1) When the external temperature of the bridge body is higher than the internal temperature of the bridge body, the blocking area blocks the air holes, so that the internal temperature of the bridge body can be effectively prevented from being increased, the cable work is influenced, meanwhile, the effective fire prevention can be realized, flame is prevented from entering the bridge body through the air holes, when the external temperature of the bridge body is lower than the internal temperature of the bridge body, the butt joint holes are opposite to the air holes, the air holes can be ventilated to the greatest extent, the inside of the bridge body is convenient to dissipate heat rapidly, the size of the air holes of the cable bridge can be adjusted along with the internal and external temperature difference of the cable bridge, and the cable bridge also has good air permeability while guaranteeing the fire resistance;
(2) In the process of cable laying, cables are orderly laid in each arc groove, so that the influence of cable lines on later maintenance and carding is avoided, and when the cables are laid, the cables are contacted with rolling balls which support the cables, so that the contact area of the cables is effectively reduced, the cables are more convenient to radiate, and meanwhile, the rolling balls can enable the cable to be better and more convenient to pull, reduce the friction force between the cables and the supporting bars, and protect the integrity of the cables;
(3) The high temperature resistance of the bridge body can be effectively improved by adopting the protective lamination, so that the bridge body has good fireproof and heat-insulating effects;
(4) Adopt the cleaning strip, when the shielding plate removes, can drive the cleaning strip and remove, clean the filter screen, improve cable bridge's neatly nature.
The invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic diagram of the front structure of the present invention;
FIG. 2 is a schematic perspective view of a regulator plate according to the present invention;
FIG. 3 is a schematic top view of the adjusting plate of the present invention;
FIG. 4 is a schematic perspective view of a shielding plate according to the present invention;
fig. 5 is a schematic view of a protective laminated structure according to the present invention.
Description of the drawings: 1. a bridge body; 11. an adjusting plate; 12. an adjustment tank; 13. ventilation holes; 14. a filter screen; 15. a placement groove; 2. a restriction member; 21. a rolling ball; 22. an arc groove; 23. a restraining bar; 24. a support bar; 3. a power assembly; 31. a gas box; 32. a heat conduction rod; 33. an air duct; 34. a telescopic pulling pipe; 4. a shielding plate; 41. a butt joint hole; 42. a plugging area; 43. a contact region; 44. a limit bar; 45. a cleaning bar; 5. a protective stack; 51. a fireproof coating; 52. a heat preservation layer; 53. a flame retardant layer.
Detailed Description
In order that the invention may be more fully understood, a more particular description of the invention will be rendered by reference to the appended drawings, in which several embodiments of the invention are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this invention belongs, and the knowledge of terms used in the description of this invention herein for the purpose of describing particular embodiments is not intended to limit the invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 5, the present invention provides a technical solution: the utility model provides a ventilative fire-resistant cable testing bridge, includes testing bridge body 1, install protection stromatolite 5 on the testing bridge body 1 inner wall, protection stromatolite 5 is fire prevention coating 51, heat preservation 52 and fire-retardant layer 53 from inside to outside in proper order, through protection stromatolite 5, can effectively improve testing bridge body 1's high temperature resistance for testing bridge body 1 has good fire prevention thermal-insulated effect.
Referring to fig. 1, at least two sets of limiting members 2 are disposed in the bridge body 1, a plurality of rolling balls 21 contacting with the cable are disposed in each set of limiting members 2, each limiting member 2 includes a supporting bar 24, an arc slot 22 for accommodating the cable is formed in the center of the upper end of the supporting bar 24, a plurality of rolling balls 21 are respectively rotatably mounted on two sides of the inner portion of the arc slot 22, a plurality of limiting rods 23 are respectively mounted on two sides of the upper end of the supporting bar 24, and a plurality of rolling balls 21 and limiting rods 23 are all arranged in a column shape at equal intervals. In the process of laying the cables, the cables are orderly laid inside each arc groove 22, the influence of cable line staggering on later maintenance carding is avoided, and when the cables are laid, the cables are contacted with the rolling balls 21, the rolling balls 21 support the cables, the contact area of the cables is effectively reduced, the cables are more convenient to dissipate heat, meanwhile, the rolling balls 21 can enable the cable drawing to be more convenient, the friction force between the cables and the supporting bars 24 is reduced, and the cables are protected to be complete.
Referring to fig. 1-4, two sides of the bridge body 1 are respectively embedded with a plurality of adjusting plates 11 which are equidistantly arranged, an adjusting groove 12 and an air hole 13 which are staggered with each other are arranged in the center of the adjusting plate 11, the air hole 13 is positioned in the center of the adjusting groove 12, a filter screen 14 is installed on one side of the air hole 13, a shielding plate 4 slides in the adjusting groove 12, a butt joint hole 41 is formed in the shielding plate 4, two sides of the shielding plate 4 are respectively provided with a mounting groove 15 connected with the adjusting groove 12, a plugging area 42 and a contact area 43 are arranged on the shielding plate 4, a power assembly 3 for controlling the movement of the shielding plate 4 is installed in the mounting groove 15, the adjusting plates 11 and the shielding plate 4 are both flame-retardant heat insulation plates, the power assembly 3 comprises an air box 31, a heat conducting rod 32 is installed on the air box 31, one end of the air box 31 is connected with an air duct 33, and the other end of the air duct 33 is connected with a telescopic tube 34 installed in the mounting groove 15, and the other end of the telescopic tube 34 is connected with the shielding plate 4. When the external temperature of the bridge body 1 is higher than the internal temperature of the bridge body 1, the air box 31 positioned outside the bridge body 1 absorbs heat rapidly through the heat conducting rod 32, the air temperature in the air box 31 and the connected air guide pipe 33 rises rapidly, the air expands due to heating, so that the shielding plate 4 is pushed to move, the air holes 13 are blocked by the blocking area 42, the internal temperature of the bridge body 1 can be effectively prevented from being increased by external high-temperature air, the cable is influenced, meanwhile, effective fire prevention can be realized, flame is prevented from entering the bridge body 1 through the air holes 13, when the external temperature of the bridge body 1 is lower than the internal temperature of the bridge body 1, the air box 31 positioned in the bridge body 1 absorbs heat rapidly through the heat conducting rod 32, the air temperature in the air box 31 and the air guide pipe 33 connected with the air box rises rapidly, the air is heated to expand, the shielding plate 4 is pushed to move, the butt joint holes 41 are opposite to the air holes 13, and the bridge body 1 can be cooled rapidly and conveniently.
Referring to fig. 1-4, the plugging area 42 and the contact area 43 are respectively located at two sides of the butt-joint hole 41, and the widths of the butt-joint hole 41 and the plugging area 42 are larger than the width of the ventilation hole 13. The two sides of the plugging area 42, which are close to one end of the butt joint hole 41, are respectively provided with a limiting strip 44, the limiting strips 44 can prevent the air leakage of the adjusting groove 12, one limiting strip 44 is provided with a cleaning strip 45 which is in contact with the filter screen 14, and the cleaning strip 45 can be driven to move to clean the filter screen 14 while the shielding plate 4 moves.
Referring to fig. 1-4, two air boxes 31 on the same adjusting plate 11 are emphasized, one of the air boxes 31 is located inside the bridge body 1, and the heat conducting rod 32 connected with the air boxes is located above the cable, so that the heat conducting rod 32 can quickly absorb heat emitted by the cable, and the other air box 31 is located outside the bridge body 1, and the heat conducting rod 32 connected with the air box is far away from the air holes 13, so that the heat conducting rod 32 is prevented from absorbing heat emitted inside the bridge body 1.
The specific operation flow of the invention is as follows:
the cable is orderly paved inside each arc groove 22, the cable is contacted with the rolling ball 21, the rolling ball 21 supports the cable, the contact area of the cable is effectively reduced, the cable is more convenient to dissipate heat, when the external temperature of the bridge body 1 is higher than the internal temperature of the bridge body 1, the air box 31 positioned outside the bridge body 1 absorbs heat rapidly through the heat conducting rod 32, the temperature of the air inside the air box 31 and the connected air guide pipe 33 rises rapidly, the air is heated and expanded, thereby pushing the shielding plate 4 to move, the blocking area 42 blocks the air holes 13, the external high-temperature air can be effectively prevented from entering the inside of the bridge body 1, the internal temperature of the bridge body 1 is increased, the work of the cable is influenced, meanwhile, the effective fire prevention is realized, flame is prevented from entering the inside of the bridge body 1 through the air holes 13, when the external temperature of the bridge body 1 is lower than the internal temperature of the bridge body 1, the air box 31 absorbs heat rapidly through the heat conducting rod 32, the temperature of the air box 31 and the air inside the connected air guide pipe 33 rises rapidly, the air is heated and expanded, thereby pushing the shielding plate 4 to move, the butt joint hole 41 and the inside of the bridge body 13 can be ventilated to the greatest extent, and the inside of the bridge body 1 can be cooled.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the embodiments described above, but is intended to be within the scope of the invention, as long as such insubstantial modifications are made by the method concepts and technical solutions of the invention, or the concepts and technical solutions of the invention are applied directly to other occasions without any modifications.
Claims (8)
1. The utility model provides a ventilative fire-resistant cable testing bridge, includes testing bridge body (1), its characterized in that: install protection stromatolite (5) on crane span structure body (1) inner wall, inside at least two sets of restriction piece (2) that are equipped with of crane span structure body (1), every group restriction piece (2) are inside all to be equipped with a plurality of spin (21) with cable contact, crane span structure body (1) both sides inlay respectively and are equipped with regulating plate (11) that a plurality of equidistance set up, regulating plate (11) inside center is equipped with crisscross adjustment tank (12) and bleeder vent (13) each other, just bleeder vent (13) are located adjustment tank (12) center, filter screen (14) are installed to bleeder vent (13) one side, inside slip of adjustment tank (12) has shielding plate (4), inside butt joint hole (41) of having seted up of shielding plate (4), shielding plate (4) both sides are equipped with mounting groove (15) of being connected with adjustment tank (12) respectively, mounting groove (15) internally mounted has power pack (3) that control shielding plate (4) removed.
2. A gas permeable fire resistant cable tray according to claim 1 wherein: the protective laminated layer (5) is sequentially provided with a fireproof coating (51), an insulating layer (52) and a flame-retardant layer (53) from inside to outside.
3. A gas permeable fire resistant cable tray according to claim 1 wherein: the limiting piece (2) comprises a supporting bar (24), an arc groove (22) for accommodating a cable is formed in the center of the upper end of the supporting bar (24), a plurality of rolling balls (21) are respectively rotatably arranged on two sides inside the arc groove (22), a plurality of limiting rods (23) are respectively arranged on two sides of the upper end of the supporting bar (24), and the rolling balls (21) and the limiting rods (23) are all arrayed at equal intervals.
4. A gas permeable fire resistant cable tray according to claim 1 wherein: the shielding plate (4) is provided with a plugging area (42) and a contact area (43), the plugging area (42) and the contact area (43) are respectively positioned at two sides of the butt joint hole (41), and the widths of the butt joint hole (41) and the plugging area (42) are larger than those of the ventilation holes (13).
5. The breathable fire-resistant cable tray according to claim 4, wherein: limiting strips (44) are respectively arranged on two sides of one end, close to the butt joint hole (41), of the plugging area (42), and cleaning strips (45) in contact with the filter screen (14) are arranged on one limiting strip (44).
6. A gas permeable fire resistant cable tray according to claim 1 wherein: the adjusting plate (11) and the shielding plate (4) are both flame-retardant heat insulation plates.
7. A gas permeable fire resistant cable tray according to claim 1 wherein: the power assembly (3) comprises an air box (31), a heat conducting rod (32) is arranged on the air box (31), one end of the air box (31) is connected with an air duct (33), the other end of the air duct (33) is connected with a telescopic pulling pipe (34) arranged inside the placement groove (15), and the other end of the telescopic pulling pipe (34) is connected with the shielding plate (4).
8. A gas permeable fire resistant cable tray according to claim 1 wherein: two air boxes (31) on the same adjusting plate (11), wherein one air box (31) is positioned inside the bridge body (1), a heat conducting rod (32) connected with the air box is positioned above the cable, the other air box (31) is positioned outside the bridge body (1), and the heat conducting rod (32) connected with the air box is far away from the ventilation hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211612262.4A CN116247581B (en) | 2022-12-15 | 2022-12-15 | Breathable fire-resistant cable bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211612262.4A CN116247581B (en) | 2022-12-15 | 2022-12-15 | Breathable fire-resistant cable bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116247581A true CN116247581A (en) | 2023-06-09 |
| CN116247581B CN116247581B (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211612262.4A Active CN116247581B (en) | 2022-12-15 | 2022-12-15 | Breathable fire-resistant cable bridge |
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| Country | Link |
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| CN (1) | CN116247581B (en) |
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| CN210326588U (en) * | 2019-07-08 | 2020-04-14 | 苏州云极智能电力咨询管理有限公司 | Outdoor distribution box with antistatic insulating shell |
| CN111130033A (en) * | 2019-12-26 | 2020-05-08 | 安徽华瑞桥架有限公司 | Fire-resistant cable bridge |
| CN212085705U (en) * | 2020-04-17 | 2020-12-04 | 边晓虎 | Can be with cable cellular-type crane span structure |
| CN112909773A (en) * | 2021-02-01 | 2021-06-04 | 刘志贤 | Outdoor high-voltage board with electric lift ventilation structure |
| CN215122664U (en) * | 2021-07-23 | 2021-12-14 | 湖南农夫哥农业开发有限公司 | Be used for chinese-medicinal material to plant winter protection heat preservation cover |
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|---|---|
| CN116247581B (en) | 2024-05-07 |
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