Suspension type fireproof bridge structure

Abstract

The utility model relates to the technical field of cable bridges, in particular to a suspension type fireproof bridge structure, which comprises a bridge and a telescopic joint fixedly mounted at the end of the bridge, and is characterized in that the telescopic joint comprises a broadening section and connecting sections, the two ends of the broadening section are fixedly connected with the connecting sections, a plurality of partition plates are fixedly connected inside the broadening section, and the partition plates are fixedly connected with the expansion section. A notch is formed in the top of the partition plate. The device has the advantages that when a fire disaster happens to the cable, flame burns out the rope, the cross beam falls down, the door plate is opened, sandy soil or fire extinguishing dry powder falls on the upper surface of the cable in the widening section and then flows below the cable along the gap between the two adjacent cables, the cable is fully wrapped by the sandy soil, and the purpose of thorough fire extinguishing is achieved; when the fire reaches the position below the rope and does not reach the position under the discharging opening, the rope can be burnt out, at the moment, the sand or the fire extinguishing dry powder falls down, certain advance time is achieved, and therefore the problem that fire continues to spread due to the fact that fire extinguishing is not timely is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable bridge technical field, especially in a kind of suspension type fireproof bridge structure. BACKGROUND

[0002] Cable bridge is mainly used for the laying of cable, usually using support fixed on the wall top is suspended in the air.The common fireproof measure of cable bridge is to spray fireproof layer outside, when indoor fire, fireproof layer can block the fire source outside bridge, so as to achieve the purpose of fire prevention.But, the cable in bridge can be due to quality problem, overloading operation and cause overheating or short circuit and other problems spontaneous combustion, when the cable in bridge spontaneous combustion, fireproof layer is not any effect, fire will spread along cable, thus a kind of bridge structure that can prevent fire spread after cable spontaneous combustion needs to be designed.

[0003] A kind of fireproof bridge cover plate is disclosed in Chinese patent CN214204740U, when cable is on fire, the temperature of flame will make kerosene in glass tube expand and burst glass tube, tension spring is quickly pulled back and is pulled out of card hole, then baffle will be opened, sand in fire extinguishing sand storage box is discharged, and fire is extinguished;

[0004] A kind of intensive fireproof bridge is disclosed in Chinese patent CN220107467U, after cable is on fire, hot melt type glass sheet melts, and fire extinguishing dry powder is sprinkled on the surface of cable, to realize the fire extinguishing of cable;

[0005] The fire extinguishing mode of the above two kinds of fireproof bridges is all through covering cable, so that cable is isolated from air, to achieve the purpose of fire extinguishing, but in actual use, there are the following defects:

[0006] The cable in bridge is very dense, and almost all parts of cable are one next to another, since cable is circular, therefore, there is gap below adjacent two cables, and sand or fire extinguishing dry powder can only be sprinkled on the upper surface of cable, cannot block the gap below cable, therefore cannot completely isolate air, leading to incomplete fire extinguishing, so that fire may rekindle. UTILITY MODEL CONTENTS

[0007] The utility model aims at at least solving one of the technical defects in the background art.

[0008] Therefore, one purpose of the utility model is to propose a kind of suspension type fireproof bridge structure, to solve the problem that fireproof bridge in prior art is not completely extinguished, which may lead to rekindling of fire.

[0009] In order to achieve the above object, the utility model one aspect's embodiment provides a kind of suspension type fireproof bridge structure, including bridge and fixedly installed in the expansion joint of bridge end part, the expansion joint includes widening section and connecting section, the both ends of the widening section are fixedly connected with connecting section, the inside of the widening section is fixedly connected with multiple baffle, the top of the baffle is equipped with gap, the top of the cover plate is equipped with discharge port, the top of the cover plate is fixedly connected with material box in the position corresponding with discharge port, the both sides of the bottom of discharge port are hinged with door plate, the top of the inner wall of the cover plate is fixedly connected with two groups of hooks, the inside of each group of hooks is fixedly installed with rope, the top of the rope is overlapped with crossbeam.

[0010] The top of the expansion joint is fixedly installed with cover plate, the top of the cover plate is equipped with discharge port, the top of the cover plate is fixedly connected with material box in the position corresponding with discharge port, the both sides of the bottom of discharge port are hinged with door plate, the top of the inner wall of the cover plate is fixedly connected with two groups of hooks, the inside of each group of hooks is fixedly installed with rope, the top of the rope is overlapped with crossbeam.

[0011] It is preferred from the above any scheme that the both ends of the rope are fixedly connected with limit block, the bottom of the both ends of the crossbeam is equipped with recess, facilitate the installation of the rope, and the crossbeam cannot slide down.

[0012] Compared with prior art, the utility model has the advantages and beneficial effects that:

[0013] 1, when cable fire, flame will be broken, so that the crossbeam falls down, the door plate opens, and sand or dry powder falls on the surface of cable in the widening section, and then flows into the lower part of cable along the gap between two adjacent cables, so that sand fully wraps the cable, and achieves the purpose of completely extinguishing fire.

[0014] 2, when the fire reaches the lower part of the rope, but not the directly below the discharge port, the rope will be broken, at this time, sand or dry powder will fall when the fire reaches the directly below the discharge port, with a certain advance time, so the fire will not pass through the directly below the discharge port, thereby avoiding the problem that fire extinguishing is not timely and leads to the spread of fire.

[0015] 3, by setting limit block at the both ends of the rope, facilitate the installation of the rope, can improve the efficiency during assembly, and after fire, the bridge structure only needs to replace the rope, so the maintenance cost is very low.

[0016] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, wherein:

[0018] Figure 1 The utility model is a structural schematic diagram.

[0019] Figure 2 It is a structure schematic view of the telescopic joint of the utility model.

[0020] Figure 3 It is a structure schematic view of the cover plate of the utility model.

[0021] Figure 4 It is a structure schematic view of the utility model Figure 3 .

[0022] Figure 5 It is a structure schematic view of the bridge and the shutter of the utility model.

[0023] Among them: 1, bridge, 11, third through hole, 12, supporting plate, 13, second threaded hole, 2, telescopic joint, 21, widening section, 22, connecting section, 23, partition, 24, gap, 25, first threaded hole, 26, sliding groove, 3, cover plate, 31, discharge port, 32, material box, 33, door plate, 34, hook, 35, first through hole, 4, shutter, 41, second through hole, 5, rope, 51, limit block, 6, crossbeam, 61, groove. DETAILED DESCRIPTION

[0024] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as a limitation of the utility model.

[0025] In the utility model, unless explicitly defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] The utility model provides a kind of suspension type fireproof bridge structure.

[0027] Embodiment one:

[0028] As Figures 1-2As shown, it comprises a bridge 1 and a telescopic joint 2 fixedly installed at the end of the bridge 1, the telescopic joint 2 comprises a widened section 21 and a connecting section 22, the two ends of the widened section 21 are fixedly connected with the connecting section 22, the connecting section 22 is used for connecting with the end of the bridge 1, the inside of the widened section 21 is fixedly connected with a plurality of partitions 23, because the width of the widened section 21 is greater than the width of the bridge 1, so the cables next to each other in the bridge 1 can be separated by the partitions 23 in the widened section 21, the top of the partition 23 is provided with an opening 24, the opening 24 is provided so that a gap appears between the two cables on both sides of the partition 23;

[0029] As shown in the figure, Figures 3-4 The top of the telescopic joint 2 is fixedly installed with a cover plate 3, the top of the cover plate 3 is provided with a discharge port 31, the top of the cover plate 3 is fixedly connected with a material box 32 corresponding to the discharge port 31, the material box 32 is used to contain sand or fire extinguishing dry powder and other materials that can extinguish fire, the bottom of the discharge port 31 is hingedly connected with a door plate 33 on both sides, the door plate 33 is used to block the discharge port 31 to prevent sand or fire extinguishing dry powder from falling, the top of the inner wall of the cover plate 3 is fixedly connected with two groups of hooks 34, the two groups of hooks 34 are respectively located on both sides of the door plate 33, each group comprises two hooks 34, and the inside of each group of hooks 34 is fixedly installed with a rope 5, as shown in the figure, Figure 3 The two ends of the rope 5 are respectively fixed with the two hooks 34 of each group, and the top of the rope 5 is lapped with a cross beam 6, the two ends of the cross beam 6 are respectively lapped on the top of the rope 5 fixedly connected with the two groups of hooks 34, so that the cross beam 6 supports the door plate 33, as shown in the figure, Figure 4 So that the door plate 33 closes the discharge port 31.

[0030] Specifically, as shown in the figure, Figures 2-3 The two sides of the cover plate 3 are provided with a first through hole 35, and the two sides of the telescopic joint 2 are provided with a first threaded hole 25, a bolt is used to penetrate the first through hole 35 and is screwed with the first threaded hole 25, so as to fixedly install the cover plate 3 on the top of the telescopic joint 2.

[0031] Specifically, as shown in the figure, Figure 5 The inner wall of the bridge 1 is fixedly connected with a supporting plate 12, the top of the supporting plate 12 is fixedly installed with a shutter 4, the top of the supporting plate 12 is provided with a second threaded hole 13, the top of the shutter 4 is provided with a second through hole 41, a bolt is used to penetrate the second through hole 41 and is screwed with the second threaded hole 13, so as to fixedly install the shutter 4 on the top of the bridge 1.

[0032] Specifically, as shown in the figure, Figures 1-2As shown, the bridge 1 is provided with a plurality of third through holes 11 on both sides, the connecting section 22 is provided with a sliding groove 26 on both sides, a plurality of bolts are inserted into the third through holes 11 respectively, the bolts pass through the sliding groove 26, and nuts are screwed on the surface of the bolts, so that the bridge 1 and the expansion joint 2 are connected together, and when the bridge 1 expands or shrinks due to heat, the bolts can slide in the sliding groove 26, so that the bridge 1 is prevented from being damaged due to expansion or shrinkage.

[0033] Embodiment two:

[0034] As Figure 3 shown, on the basis of embodiment one, the two ends of the rope 5 are fixedly connected with limiting blocks 51, the two ends of the rope 5 are directly placed into the hook 34, and the limiting blocks 51 limit the ends of the rope 5, so that the rope 5 cannot fall off, and the purpose of facilitating installation of the rope 5 is achieved, and the bottom of the two ends of the cross beam 6 is provided with a groove 61, and the side wall of the groove 61 abuts against the surface of the rope 5, so that the cross beam 6 cannot slide leftward and rightward, and the cross beam 6 cannot easily slide off.

[0035] The working principle of the utility model is as follows: in use, if the cable in the bridge 1 catches fire, the fire spreads along the cable into the expansion joint 2, the flame can burn the rope 5, so that the cross beam 6 falls down, the door plate 33 loses the support of the cross beam 6 and opens under the action of gravity, the sand or dry powder for extinguishing fire in the material box 32 falls into the expansion joint 2 from the discharge port 31, and the sand or dry powder for extinguishing fire falls on the upper surface of the cable in the widening section 21 and flows into the lower part of the cable along the gap 24 between the two adjacent cables, so that the cable is fully wrapped by the sand, and the problem of incomplete extinguishing is avoided.

[0036] Compared with the prior art, the utility model has the following beneficial effects:

[0037] 1. The widening section 21 is arranged, the width of the widening section 21 is greater than the width of the bridge 1, so that the adjacent cables in the bridge 1 are separated by the partition plate 23 in the widening section 21, the top of the partition plate 23 is provided with the gap 24, so that there is a gap between the two adjacent cables, when the cable catches fire, the flame burns the rope 5, so that the cross beam 6 falls down, the door plate 33 opens, so that the sand or dry powder for extinguishing fire falls on the upper surface of the cable in the widening section 21 and flows into the lower part of the cable along the gap 24 between the two adjacent cables, so that the cable is fully wrapped by the sand, and the purpose of complete extinguishing is achieved.

[0038] 2. The two ropes 5 used to support the crossbeam 6 are respectively set on both sides of the discharge port 31. Therefore, when the cable in the cable tray 1 catches fire, the fire spreads along the cable towards the expansion joint 2. When the fire reaches the area below the rope 5, before it reaches the area directly below the discharge port 31, the rope 5 will be burned through. At this time, sand or fire extinguishing dry powder will fall just before the fire reaches the area directly below the discharge port 31, which has a certain lead time. Therefore, the fire will not pass directly below the discharge port 31, thus avoiding the problem of the fire continuing to spread due to untimely fire extinguishing.

[0039] 3. By setting limit blocks 51 at both ends of the rope 5, the limit blocks 51 limit the rope 5 after the rope 5 is placed in the hook 34, thereby fixing the rope 5 and facilitating its installation. This improves efficiency during assembly, and in the event of a fire, the cable tray structure only needs to replace the rope 5, resulting in very low maintenance costs.

Claims

1. A suspended fire resistant cable tray structure comprising a cable tray (1) and expansion joints (2) fixedly mounted at the ends of the cable tray (1), characterized in that, The telescopic joint (2) comprises a widening section (21) and a connecting section (22), both ends of the widening section (21) are fixedly connected with the connecting section (22), the inside of the widening section (21) is fixedly connected with a plurality of partition plates (23), and the top of each partition plate (23) is provided with an opening (24). The top of the telescopic joint (2) is fixedly installed with a cover plate (3), the top of the cover plate (3) is provided with a discharging port (31), the top of the cover plate (3) is fixedly connected with a material box (32) corresponding to the discharging port (31), the both sides of the bottom of the discharging port (31) are hingedly connected with door plates (33), the top of the inner wall of the cover plate (3) is fixedly connected with two groups of hooks (34), the inside of each group of hooks (34) is fixedly installed with a rope (5), and the top of the rope (5) is overlapped with a cross beam (6).

2. The suspended fire resistant tray structure of claim 1, wherein, The both ends of the rope (5) are fixedly connected with limiting blocks (51), and the bottom of the both ends of the cross beam (6) is provided with grooves (61).

3. The suspended fire resistant tray structure of claim 1, wherein, The both sides of the cover plate (3) are provided with first through holes (35), and the both sides of the telescopic joint (2) are provided with first threaded holes (25).

4. The suspended fire resistant tray cable structure of claim 1, wherein, The inner wall of the both sides of the bridge (1) is fixedly connected with a supporting plate (12), and the top of the supporting plate (12) is fixedly installed with a shutter (4).

5. The suspended fire resistant tray structure of claim 4, wherein, The top of the supporting plate (12) is provided with a second threaded hole (13), and the top of the shutter (4) is provided with a second through hole (41).

6. The suspended fire resistant tray cable structure of claim 1, wherein, The both sides of the bridge (1) are provided with a plurality of third through holes (11), and the both sides of the connecting section (22) are provided with sliding grooves (26).

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