CN116047694B - Optical cable fireproof channel system - Google Patents
Optical cable fireproof channel system Download PDFInfo
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- CN116047694B CN116047694B CN202310335726.XA CN202310335726A CN116047694B CN 116047694 B CN116047694 B CN 116047694B CN 202310335726 A CN202310335726 A CN 202310335726A CN 116047694 B CN116047694 B CN 116047694B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/50—Underground or underwater installation; Installation through tubing, conduits or ducts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- General Engineering & Computer Science (AREA)
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- Optics & Photonics (AREA)
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- Hydrology & Water Resources (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention relates to the technical field of optical cable protection and installation systems, in particular to an optical cable fireproof channel system, which is characterized in that a water leakage ditch is formed in the bottom of a fireproof partition wall, a water through hole is reserved between one end of the water leakage ditch and the water through hole, a hollowed-out part is arranged on the inner side of the other end of the water through hole, a corrosive liquid flow channel is formed in the bottom end of the hollowed-out part, one side of the hollowed-out part facing the water through hole is connected with a movable rotating plate, in an initial state, an easily-corrosion adhesive tape is fixedly connected between one end of the movable rotating plate and the fireproof partition wall, a low-resistance Wen Jiaotiao is fixedly connected between the other end of the movable rotating plate and the water through hole, the low-resistance Wen Jiaotiao end of the movable rotating plate is used for sealing the hollowed-out part when a fire condition occurs at the water through hole, one end of the movable rotating plate falls off and is turned to the rotating groove, when corrosive liquid flows into the water through hole, one end of the movable rotating plate falls off and is turned to the rotating groove, the hollowed-out part opposite to open the water through hole at the water through hole, and the middle of the water through hole is sealed, high-temperature smoke and corrosive liquid are effectively blocked.
Description
Technical Field
The invention relates to the technical field of optical cable protection and installation systems, in particular to an optical cable fireproof channel system.
Background
Cable ditches are enclosures for laying electrical or communication facilities, are commonly used in locations such as above, below, tunnels, bridges, etc., and generally take fire protection measures. The existing fire prevention mode of the cable trench is generally used for blocking a firewall and brushing fire-proof paint, so that the fire prevention effect is good, small animals can be prevented from entering the cable trench, and the cable is damaged. However, when the existing fireproof blocking is performed, the drainage design in the ditch is often ignored, the drainage in the ditch is impossible or unsmooth, and accumulated water can easily cause the danger of electric leakage and fire.
In contrast, in the prior art, for example, chinese patent document CN102064510a discloses a cable trench firewall, which is disposed in a cable trench through the firewall, a U-shaped groove is disposed in the cable trench corresponding to the bottom of the firewall, a partition is disposed in the middle of the U-shaped groove, the firewall is provided with an inverted U-shaped groove into which the partition is inserted, so that not only has a fireproof function, but also water can smoothly flow from one side to the other side through a diversion channel, while the diversion channel provides a drainage channel, and also provides a circulation channel for high-temperature smoke.
Disclosure of Invention
Therefore, the invention aims to provide an optical cable fireproof channel system which solves the problem that high-temperature smoke and corrosive liquid cannot be effectively blocked in the existing cable channel.
Based on the above object, the present invention provides an optical cable fireproof channel system, which comprises a channel body for laying cables, wherein a fireproof partition wall is vertically arranged in the channel body, and a wire hole for the cables to pass through is formed in the fireproof partition wall, and the system further comprises:
the water leakage groove is arranged at the bottom of the fireproof partition wall, two groups of flow blocking blocks are symmetrically arranged in the water leakage groove relative to the central origin of the inside of the water leakage groove, a water through hole is reserved between one end of each flow blocking block and the water leakage groove, a hollowed-out part is arranged on the inner side of the other end of each flow blocking block, a corrosive liquid flow channel is arranged at the bottom end of each hollowed-out part, one side of each hollowed-out part facing the water through hole is connected with a movable rotating plate, in an initial state, an easily-corroded adhesive tape is fixedly connected between one end of each movable rotating plate and the fireproof partition wall, and a low Wen Jiaotiao is fixedly connected between the other end of each movable rotating plate and each flow blocking block and is used for sealing each hollowed-out part;
the rotating groove is arranged at one end of the flow blocking block close to the water through hole;
when fire occurs at the water opening, one end of the movable rotating plate, which is low in resistance Wen Jiaotiao, falls off and is turned to the rotating groove, so that the water opening at the position is closed, one end of the corrosion-prone adhesive tape of the movable rotating plate falls off and is turned to the rotating groove when corrosive liquid flows into the water opening at the position, so that the hollowed-out part opposite to the water opening at the position is opened, the middle part of the water leakage groove is closed, when fire occurs at the water opening at the position, one end, which is low in resistance Wen Jiaotiao, of the movable rotating plate falls off, and the movable rotating plate rotates along the rotating groove to be used for closing the water opening at the position.
Preferably, the water leakage groove is provided in plurality at intervals along the length direction of the bottom of the fireproof partition.
Preferably, the baffle block is provided with a baffle plate at one end close to the water through hole, and the baffle plate is arranged along the width direction of the fireproof partition wall.
Preferably, the movable rotating plate is arranged in an arc shape, and one surface of the arc-shaped concave of the movable rotating plate faces the water through hole.
Preferably, the bottom end of the rotary groove is designed as an opening, a rotation part is arranged in the rotary groove, the upper end and the lower end of the movable rotary plate are elastically connected with a world shaft, and when the world shaft rotates to the rotary groove, the world shaft is ejected upwards and penetrates into the rotary groove, and the world shaft is driven to axially rotate through the rotation part and is used for driving the movable rotary plate to rotate towards the water through hole.
Preferably, a sliding sleeve is arranged in the rotary groove, a trepanning is arranged at the bottom end of the sliding sleeve, a limit post is fixedly connected at the top end in the trepanning, the outer side end of the sliding sleeve and the outer side end of the limit post are in a polygonal shape, a shaft hole is arranged at the top end of the space shaft, the inner side surface of the shaft hole is designed into a polygonal shape matched with the outer side of the limit post, a polygonal boss matched with the outer side of the sliding sleeve is arranged at the bottom end in the rotary groove, a transverse plate is elastically connected at the top end in the rotary groove, a torsion spring is connected between the bottom end of the transverse plate and the top end of the sliding sleeve, and when the space shaft penetrates into the sliding sleeve, the sliding sleeve is pushed upwards so that the sliding sleeve is separated from the polygonal boss, the limit post penetrates into the shaft hole and drives the space shaft to rotate through the torsion spring.
Preferably, a vertical telescopic rod is connected between the top end of the transverse plate and the top end in the rotary groove, and a telescopic spring is wound on the outer side of the vertical telescopic rod.
Preferably, a first elastic piece is connected between the corrosion-prone adhesive tape and the fireproof partition wall, and a second elastic piece is connected between the low-temperature-resistant adhesive tape and the flow blocking block.
Preferably, the first elastic piece is vertically arranged at intervals along the corrosion-prone rubber strip, and the second elastic piece is vertically arranged at intervals along the low Wen Jiaotiao resistance.
Preferably, the first elastic member and the second elastic member are elastic ropes.
The invention has the beneficial effects that: through the drain ditch of locating the bottom of the fire-proof partition wall, the drain ditch is internally provided with a flow blocking block, a water through hole is reserved between one end of the flow blocking block and the drain ditch, the other end of the flow blocking block is fixedly connected with the drain ditch, and a hollowed-out part is arranged on the inner side of the flow blocking block, the bottom end of the hollowed-out part is provided with a corrosive liquid runner, if water is accumulated in ditch bodies on two sides of the fire-proof partition wall, the drain and ventilation can be carried out through along the drain ditch, one side of the hollowed-out part facing the water through hole is connected with a movable rotating plate, in an initial state, an easily-corrodible adhesive tape is fixedly connected between one end of the movable rotating plate and the fire-proof partition wall, a low-resistance Wen Jiaotiao is fixedly connected between the other end of the movable rotating plate and the flow blocking block, when a fire condition occurs at the water through hole, one end of the movable rotating plate falls off and is converted to the rotating groove, when the water through hole flows into corrosive liquid, one end of the movable rotating plate falls off and is converted to the rotating groove, and is used for opening the hollowed-out part to seal the water through hole when the water through hole.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the invention and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic top view of a trench structure of the present invention;
fig. 2 is a schematic front view of the fire-blocking wall according to the present invention;
FIG. 3 is a schematic view of the internal structure of the drain ditch according to the present invention;
FIG. 4 is a schematic view of the structure of the movable rotating plate when one end of the low Wen Jiaotiao resistant plate falls off;
FIG. 5 is a schematic diagram of the structure of the movable rotating plate when one end of the easily-corroded rubber strip falls off;
FIG. 6 is a schematic view of the structure of the movable rotating plate of the present invention when the corrosion-susceptible adhesive tape and the low Wen Jiaotiao resistance are sequentially dropped;
FIG. 7 is a schematic view of the structure of the movable rotating plate and the top-bottom shaft of the present invention;
FIG. 8 is a schematic diagram of a rotor groove according to the present invention;
FIG. 9 is a schematic view of the structure of the present invention when the top and bottom shafts are rotated to the rotating slots;
FIG. 10 is a schematic view of the structure of the present invention when the sliding sleeve is pushed in the vertical direction;
FIG. 11 is a schematic structural view of the torsion spring of the present invention.
Marked in the figure as:
1. a cable; 2. a ditch body; 21. a bracket; 3. a fireproof partition; 31. a wire hole; 4. a drain ditch; 5. a flow blocking block; 51. a flow baffle; 6. a water-through port; 7. a hollowed-out part; 8. a corrosive liquid flow passage; 9. a movable rotating plate; 91. a heaven and earth shaft; 911. a shaft hole; 10. a corrosion-prone adhesive tape; 11. low resistance Wen Jiaotiao; 12. a rotary groove; 121. polygonal boss; 122. a cross plate; 123. a torsion spring; 124. a vertical telescopic rod; 125. a telescopic spring; 13. a sliding sleeve; 131. trepanning; 132. a limit column; 14. a first elastic member; 15. and a second elastic member.
Detailed Description
The present invention will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent.
It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
As shown in fig. 1, 2 and 3, the optical cable fireproof channel system comprises a channel body 2 for laying a cable 1, a fireproof partition wall 3 is vertically arranged in the channel body 2, a wire hole 31 for the cable 1 to pass through is formed in the fireproof partition wall 3, a water leakage channel 4 is arranged at the bottom of the fireproof partition wall 3, a flow blocking block 5 is arranged in the water leakage channel 4, two groups of flow blocking blocks 5 are symmetrically arranged relative to the central origin inside the water leakage channel 4, a water through hole 6 is reserved between one end of each flow blocking block 5 and the water leakage channel 4, a hollowed-out part 7 is arranged at the inner side of the other end, an corrosive liquid flow channel 8 is formed at the bottom end of the hollowed-out part 7, a movable rotating plate 9 is connected to one side of the hollowed-out part 7 facing the water through hole 6, and an easily-corroded adhesive tape 10 is fixedly connected between one end of the movable rotating plate 9 and the fireproof partition wall 3 in an initial state, the other end is fixedly connected with a low resistance Wen Jiaotiao 11 between the baffle block 5 and is used for sealing the hollowed-out part 7, one end of the baffle block 5 close to the water through opening 6 is provided with a rotary groove 12, when a fire occurs at the water through opening 6, one end of the low resistance Wen Jiaotiao 11 of the movable rotary plate 9 falls off and is turned to the rotary groove 12 and is used for sealing the water through opening 6 at the position, one end of the corrosion-prone adhesive tape 10 of the movable rotary plate 9 falls off and is turned to the rotary groove 12 and is used for opening the hollowed-out part 7 opposite to the water through opening 6 at the position and sealing the middle part of the water leakage groove 4, and when the fire occurs at the water through opening 6 at the position, one end of the low resistance Wen Jiaotiao 11 of the movable rotary plate 9 falls off and the movable rotary plate 9 rotates along the rotary groove 12 and is used for sealing the water through opening 6 at the position.
The invention discloses a cable trench fireproof design based on the prior art, which comprises a trench body 2 used for laying a cable 1, brackets 21 used for supporting the cable are arranged in the trench body 2 at intervals, a fireproof partition wall 3 is arranged in the trench body 2, a wire hole 31 used for the cable 1 to pass through is arranged on the fireproof partition wall 3, the fireproof partition wall 3 is utilized to seal and isolate, the surfaces of the two ends of the wire hole 31 used for the cable 1 to pass through are coated with fireproof paint, in particular, the cable trench fireproof design also comprises a water leakage trench 4 arranged at the bottom of the fireproof partition wall 3, a flow blocking block 5 is arranged in the water leakage trench 4, a water passage 6 is reserved between one end of the flow blocking block 5 and the water leakage trench 4, the other end of the flow blocking block is fixedly connected with the water leakage trench 4, a hollowed-out part 7 is arranged at the inner side of the flow blocking block, an corrosive liquid flow passage 8 is arranged at the bottom end of the hollowed-out part 7, in particular, the corrosive liquid flow passage 8 comprises a drain groove arranged at the bottom end of the hollowed-out part 7, a groove cover is arranged at the top end of the drain hole is provided with a leak hole, the water diversion and drainage are facilitated, the blocking block 5 and the water through opening 6 are symmetrically arranged relative to the center of the water leakage groove 4 at an origin, so that the groove body 2 on any direction on two sides of the fireproof partition wall 3 can be communicated with water and ventilation along the water leakage groove 4 if water is accumulated, the origin is symmetrically arranged to facilitate the formation of a narrow and bent water drainage channel in the water leakage groove 4, the water is discharged and ventilated, small animals can be prevented from entering, one side of the hollowed-out part 7 facing the water through opening 6 is connected with a movable rotating plate 9, in an initial state, one end of the movable rotating plate 9 is fixedly connected with a corrosion-prone adhesive tape 10 between the fireproof partition wall 3, the other end of the movable rotating plate 9 is fixedly connected with a low-temperature resistant Wen Jiaotiao between the blocking block 5, and the hollowed-out part 7 is closed, wherein the corrosion-prone adhesive tape 10 is made of a sealing adhesive tape material which has poor corrosion resistance and high temperature combustion resistance, such as silicone rubber has excellent high temperature resistance but poor acid and alkali resistance, the corrosion resistance of the nitrile rubber is poorer and the temperature resistance is better, for example, the corrosion resistance of the nitrile rubber is also poorer, the concentrated nitric acid, the concentrated sulfuric acid, the concentrated hydrochloric acid, the concentrated phosphoric acid, the concentrated acetic acid, the dilute nitric acid, the dilute hydrochloric acid, the dilute acetic acid and the like are not resisted, the low resistance Wen Jiaotiao is made of sealing rubber strips which have good corrosion resistance but poor high-temperature combustion resistance, for example, PVC sealing rubber strips which have good chemical stability and can resist hydrochloric acid with any concentration, sulfuric acid with the temperature below 90 percent and the like, but have poor high-temperature combustion resistance, the soft PVC pipe can only resist the high temperature of 55 degrees, the pipe performance exceeding the temperature is rapidly reduced by normal standard regulation, and the movable rotating plate 9 is made of the existing fireproof plate material;
when a fire condition occurs at the water through hole 6, one end of the low resistance Wen Jiaotiao of the movable rotating plate 9 falls off and is turned to the rotating groove 12 for sealing the water through hole 6 at the position, and when corrosive liquid flows into the water through hole 6, one end of the corrosion-prone adhesive tape 10 of the movable rotating plate 9 falls off and is turned to the rotating groove 12, so that the hollowed-out part 7 opposite to the water through hole 6 is opened, the middle part of the water leakage groove 4 is sealed, the flowing corrosive liquid is singly discharged through the corrosive liquid runner 8 in the hollowed-out part 7, and does not flow to a cable groove at the other side, and when the fire condition occurs at the water through hole 6 at the position, one end of the low resistance Wen Jiaotiao of the movable rotating plate 9 falls off, the movable rotating plate 9 rotates along the rotating groove 12, so that the water through hole 6 at the position is sealed, and the sealing and the fireproof effects are played again, so that the high-temperature smog and the corrosive liquid can be effectively blocked in addition to normal drainage relative to the existing cable groove.
Wherein, the fire-proof partition wall 3 can adopt the prefabrication, only need prefabricate in batches according to the size of the ditch body 2, place in the ditch body 2 suitable position, carry out the installation threading of cable again, can accomplish the protection installation.
In the embodiment of the invention, as shown in fig. 2, a plurality of water leakage grooves 4 are arranged at intervals along the length direction of the bottom of the fireproof partition wall 3, which is beneficial to efficient drainage and ventilation.
In the embodiment of the invention, as shown in fig. 3, 4, 5 and 6, one end of the flow baffle block 5 close to the water through hole 6 is provided with the flow baffle plate 51, the flow baffle plate 51 is arranged along the width direction of the fireproof partition wall 3, the origin points of the flow baffle block 5 and the flow baffle plate 51 are symmetrically arranged, an S-shaped drainage channel is formed in the water leakage groove 4, and small animals can be prevented from entering while drainage and ventilation are realized.
In the embodiment of the invention, as shown in fig. 3, 4, 5 and 6, the movable rotating plate 9 is arranged in an arc shape, and one arc-shaped concave surface of the movable rotating plate 9 faces the water through hole 6, so that in an initial state, as shown in fig. 3, one arc-shaped concave surface of the movable rotating plate 9 is beneficial to guiding, draining and ventilating towards the interior of the water leakage groove 4, as shown in fig. 5, when corrosive liquid flows into the water through hole 6, one end of the corrosion-prone adhesive tape 10 of the movable rotating plate 9 falls off and is transferred to the rotating groove 12, and one arc-shaped convex surface of the movable rotating plate 9 is beneficial to guiding and ventilating the corrosive liquid towards the interior of the hollowed-out part 7.
In the embodiment of the invention, as shown in fig. 7, 8, 9, 10 and 11, the bottom end of the rotary groove 12 is designed as an opening, a rotation part is arranged in the rotary groove 12, the upper end and the lower end of the movable rotary plate 9 are elastically connected with a top-bottom shaft 91, in the initial state, the top-bottom shaft 91 is abutted against the inner wall of the water leakage groove 4 to be in a retraction state, when the top-bottom shaft 91 rotates to the rotary groove 12, the top-bottom shaft 91 is ejected upwards and penetrates into the rotary groove 12, and the rotation part drives the top-bottom shaft 91 to axially rotate so as to drive the movable rotary plate 9 to rotate towards the water through hole 6;
specifically, a sliding sleeve 13 is arranged in the rotary groove 12, a sleeve hole 131 is arranged at the bottom end of the sliding sleeve 13, a limit post 132 is fixedly connected at the top end in the sleeve hole 131, the outer side end of the sliding sleeve 13 and the outer side end of the limit post 132 are in a polygonal design, a shaft hole 911 is arranged at the top end of the world shaft 91, the inner side surface of the shaft hole 911 is designed to be in a polygonal shape matched with the outer side of the limit post 132, a polygonal boss 121 matched with the outer side of the sliding sleeve 13 is arranged at the inner bottom end of the rotary groove 12, a transverse plate 122 is elastically connected at the top end in the rotary groove 12, specifically, a vertical telescopic rod 124 is connected between the top end of the transverse plate 122 and the inner top end of the rotary groove 12, a telescopic spring 125 is wound at the outer side of the vertical telescopic rod 124, a torsion spring 123 is connected between the bottom end of the transverse plate 122 and the top end of the sliding sleeve 13, in an initial state, as shown in figure 8, the bottom end of the sliding sleeve 13 is clamped on the polygonal boss 121 and cannot rotate, when the earth shaft 91 penetrates into the sliding sleeve 13, as shown in fig. 9, the sliding sleeve 13 is pushed upwards so that the sliding sleeve 13 is separated from the polygonal boss 121, thereby the torsion spring 123 releases the elastic potential energy thereof to drive the sliding sleeve 13 to rotate, as shown in fig. 10, the limit post 132 penetrates into the shaft hole 911 and drives the earth shaft 91 to rotate, thereby realizing that the movable rotating plate 9 is driven to rotate unidirectionally towards the water through opening 6, specifically, if a fire condition occurs at the water through opening 6, one end of the low Wen Jiaotiao resistant part 11 of the movable rotating plate 9 falls off and is transferred to the position of the rotating groove 12, the water through opening 6 is closed, even if corrosive liquid enters again, one end of the corrosion-prone adhesive tape 10 of the movable rotating plate 9 falls off, even if a rotating component in the rotating groove 12 has a trend of driving the movable rotating plate 9 to rotate, only one end of the corrosion-prone adhesive tape 10 of the movable rotating plate 9 is further closed against the water leakage groove 4, and when the corrosive liquid flows into the water through opening 6 first, one end of the corrosion-prone adhesive tape 10 of the movable rotating plate 9 falls off and is turned to the rotating groove 12, and when a fire occurs in the water through hole 6 at the position, one end of the low Wen Jiaotiao resistance of the movable rotating plate 9 falls off, and the movable rotating plate 9 rotates along the rotating groove 12, so that the water through hole 6 at the position is closed, and the sealing and fireproof effects are realized.
In the embodiment of the invention, when adhesive tapes are adhered to the two ends of the movable rotating plate 9, for example, when adhesive tapes 10 which are easy to corrode are adhered, the movable rotating plate 9 can be rotated to one end of the water through hole 6 for adhesion, then one end of the movable rotating plate 9 is manually rotated away from the water through hole 6 and is fixed on the flow blocking block 5, so that elastic potential energy is reserved at the adhered end, when the subsequent adhesive tapes fall off, the movable rotating plate 9 is driven to rotate towards the water through hole 6 by utilizing the elastic potential energy, more preferably, a first elastic piece 14 is connected between the easy-corrosion adhesive tapes 10 and the fireproof partition wall 3, and a second elastic piece 15 is connected between the low-corrosion-resistance adhesive tapes Wen Jiaotiao and the flow blocking block 5, thereby being further beneficial to efficiently and automatically rotating towards the water through hole 6 when the adhesive tapes at the two ends of the movable rotating plate 9 fall off.
The first elastic members 14 are vertically spaced along the corrosion-prone adhesive tape 10, the second elastic members 15 are vertically spaced along the low corrosion-resistant adhesive tape Wen Jiaotiao 11, and specifically, the first elastic members 14 and the second elastic members 15 are tensioned elastic ropes made of high-elastic rubber materials with high temperature resistance and corrosion resistance, and when the adhesive tape at one end falls off, the elastic ropes at the other end drive the movable rotating plate 9 to rotate towards the water through hole 6.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the invention (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the invention, the steps may be implemented in any order and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides an optical cable fire prevention channel system, includes ditch body (2) that are used for laying cable (1), ditch body (2) are established in having fire prevention partition wall (3), set up on fire prevention partition wall (3) and supply line hole (31) that cable (1) were worn to establish, its characterized in that still includes:
the water leakage groove (4) is formed in the bottom of the fireproof partition wall (3), the water leakage groove (4) is internally provided with a flow blocking block (5), the flow blocking block (5) is symmetrically provided with two groups relative to the central origin inside the water leakage groove (4), a water through hole (6) is reserved between one end of the flow blocking block (5) and the water leakage groove (4), the inner side of the other end of the flow blocking block is provided with a hollowed-out part (7), the bottom end of the hollowed-out part (7) is provided with a corrosive liquid flow passage (8), one side of the hollowed-out part (7) facing the water through hole (6) is connected with a movable rotating plate (9), in an initial state, one end of the movable rotating plate (9) is fixedly connected with a corrosion-prone rubber strip (10), and a low-resistance Wen Jiaotiao (11) is fixedly connected between the other end of the movable rotating plate (9) and the flow blocking block (5) and is used for sealing the hollowed-out part (7).
The rotating groove (12) is arranged at one end of the flow blocking block (5) close to the water through hole (6);
when a fire condition occurs at the water through hole (6), one end of the low-resistance Wen Jiaotiao (11) of the movable rotating plate (9) falls off and is turned to the rotating groove (12) for closing the water through hole (6) at the position; when the corrosive liquid flows into the water through hole (6), one end of the corrosion-prone adhesive tape (10) of the movable rotating plate (9) falls off and is turned to the position of the rotating groove (12) for opening the hollowed-out part (7) opposite to the water through hole (6) at the position and closing the middle part of the water leakage groove (4), when the fire occurs at the water through hole (6) at the position, one end of the low-resistance Wen Jiaotiao (11) of the movable rotating plate (9) falls off, and the movable rotating plate (9) rotates along the end of the rotating groove (12) for closing the water through hole (6) at the position;
the movable rotating plate (9) is arranged in an arc shape, and one surface of the movable rotating plate (9) which is concaved in an arc shape faces the water through hole (6);
the bottom end of the rotary groove (12) is provided with an opening design, a rotation part is arranged in the rotary groove (12), the upper end and the lower end of the movable rotary plate (9) are elastically connected with a space shaft (91), when the space shaft (91) rotates to the rotary groove (12), the space shaft (91) pops up and penetrates into the rotary groove (12), and the space shaft (91) is driven to axially rotate through the rotation part so as to drive the movable rotary plate (9) to rotate towards the water through hole (6);
a sleeve hole (131) is formed in the bottom end of the sliding sleeve (13), a limit post (132) is fixedly connected to the inner top end of the sleeve hole (131), the outer side end of the sliding sleeve (13) and the outer side end of the limit post (132) are of polygonal design, a shaft hole (911) is formed in the top end of the world shaft (91), the inner side surface of the shaft hole (911) is designed to be of polygonal shape matched with the outer side of the limit post (132), a polygonal boss (121) matched with the outer side of the sliding sleeve (13) is arranged at the inner bottom end of the sliding sleeve (12), a transverse plate (122) is elastically connected to the inner top end of the sliding sleeve (12), a torsion spring (123) is connected between the bottom end of the transverse plate (122) and the top end of the sliding sleeve (13), and when the world shaft (91) penetrates into the sliding sleeve (13), the sliding sleeve (13) is pushed upwards to be separated from the polygonal boss (121), and the limit post (132) penetrates into the shaft hole (911) and drives the torsion spring (91) to rotate;
a vertical telescopic rod (124) is connected between the top end of the transverse plate (122) and the inner top end of the rotary groove (12), and a telescopic spring (125) is wound on the outer side of the vertical telescopic rod (124).
2. An optical cable fire protection channel system according to claim 1, wherein the water leakage grooves (4) are provided in plural at intervals along the longitudinal direction of the bottom of the fire-proof partition wall (3).
3. An optical cable fireproof trench system according to claim 1, characterized in that the end of the flow blocking block (5) close to the water through hole (6) is provided with a flow blocking plate (51), and the flow blocking plate (51) is arranged along the width direction of the fireproof partition wall (3).
4. A cable fire protection channel system according to claim 1, characterized in that a first elastic element (14) is connected between the corrosion susceptible glue strip (10) and the fire protection partition (3), and a second elastic element (15) is connected between the low resistance Wen Jiaotiao (11) and the flow stop (5).
5. A cable fire protection channel system according to claim 4, wherein said first elastic members (14) are vertically spaced along said corrosion susceptible strip (10) and said second elastic members (15) are vertically spaced along said low resistance Wen Jiaotiao (11).
6. A cable fire protection channel system according to claim 4, wherein the first elastic member (14) and the second elastic member (15) are elastic cords.
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| CN202310335726.XA CN116047694B (en) | 2023-03-31 | 2023-03-31 | Optical cable fireproof channel system |
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| CN116047694B true CN116047694B (en) | 2023-06-16 |
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| JP3804010B2 (en) * | 2002-01-18 | 2006-08-02 | アロン化成株式会社 | A pedestal with an inner lid for use in a concrete public mascot, etc. and a repair method using the pedestal |
| ATE412110T1 (en) * | 2003-10-28 | 2008-11-15 | Daniel Warren | METHOD FOR REPAIRING TUNNEL CONSTRUCTIONS IN THE GROUND |
| EP2013385A1 (en) * | 2006-04-28 | 2009-01-14 | Lenzing Aktiengesellschaft | Nonwoven melt-blown product |
| AT503625B1 (en) * | 2006-04-28 | 2013-10-15 | Chemiefaser Lenzing Ag | WATER-IRRADIZED PRODUCT CONTAINING CELLULASIC FIBERS |
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