Flame-retardant cable bridge

Abstract

The utility model relates to the technical field of bridge flame retardance, and discloses a flame-retardant cable bridge which comprises a bridge body, a protective shell is fixedly connected to the position, close to the edge, of the right side of the front end of the bridge body, a motor is fixedly connected to the rear end of the interior of the protective shell, and the output end of the motor is fixedly connected with a first rotating rod. A first bevel gear is fixedly connected to the top of the outer wall of the first rotating rod, a second bevel gear is connected to the outer wall of the first bevel gear in an engaged mode, a second rotating rod is fixedly connected to the rear end of the inner wall of the second bevel gear, and a plurality of fixing sleeves are fixedly connected to the positions, close to the edges, of the front end and the rear end of the second rotating rod. According to the fire prevention device, the motor is started to drive the first rotating rod, the first bevel gear wheel and the second bevel gear wheel to rotate, then the second bevel gear wheel enables the second rotating rod to rotate downwards, at the moment, the second rotating rod can drive the rotating isolation plate to overturn downwards, and the effect that when a fire breaks out, flames are prevented from entering the bridge body through the rotating isolation plate is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cable bridge, especially to a flame-retardant cable bridge. BACKGROUND

[0002] Cable is a kind of electric power and signal transmission device, usually by several and several groups of wires, these wires can be copper and aluminum, because copper and aluminum have good conductivity, basic structure includes conductor, insulating layer and protective layer, the conductor is the core part of cable, its function is to conduct current, the insulating layer is wrapped around the conductor, for isolating the conductor from the outside world, prevent current leakage and short circuit, the protective layer is the outermost layer of cable, for protecting the internal structure of cable from mechanical damage, chemical corrosion and moisture intrusion, and in the process of erecting cable, cable bridge structure needs to be used, it has a bottom tray and two side plates, but there is no closed cover like the groove type bridge, the tray is generally a flat metal plate, for supporting the weight of cable, the side plate mainly plays the role of enclosing cable, prevent cable from sliding from the side, this structure makes the ventilation performance of tray type bridge good, is favorable to cable heat dissipation, in some occasions requiring high cable heat dissipation, such as industrial plant laying large current power cable, tray type bridge is a good choice, but in the process of use, sudden fire and cable fire need to be flame retarded.

[0003] The existing flame-retardant mode is mainly composed of sealing structure and flame-retardant material, at the connection of bridge, sealing rubber strip and sealing gasket are used to prevent flame and smoke from spreading through the gap, the sealing rubber strip is generally high-temperature-resistant rubber material, such as silicone rubber, which can still maintain good elasticity and sealing performance under high temperature, and glass steel is an important non-metal flame-retardant cable bridge material, which is made of glass fiber reinforced plastic, and its matrix resin usually has flame-retardant properties, but this flame-retardant mode cannot effectively protect when the fire is larger and internal flame occurs. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a kind of flame-retardant cable bridge, to improve the problem that when the fire is larger and internal flame occurs, effective protection cannot be achieved in the prior art.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of flame-retardant cable bridge, including bridge body, the front end right side of the bridge body is fixedly connected with protective shell near edge, the inside rear end of the protective shell is fixedly connected with motor, the output of the motor is fixedly connected with rotating rod one, the outer wall top of the rotating rod one is fixedly connected with big bevel gear one, the outer wall of the big bevel gear one is engaged with big bevel gear two, the inner wall rear end of the big bevel gear two is fixedly connected with rotating rod two, the front and rear ends of the rotating rod two are fixedly connected with multiple fixed sleeves near edge, the outer wall right side of the fixed sleeve is fixedly connected with connecting rod, the other end of the connecting rod is fixedly connected with rotating isolation plate, the outer wall of the rotating rod two is slidably connected with rotating rod sleeve, the outer wall top of the rotating rod sleeve is fixedly connected with fixed isolation plate, the front and rear ends of the rotating rod two are fixedly connected with multiple retaining rings near middle, the rear end of the retaining ring is slidably connected with the front end of rotating rod sleeve, the top of the bridge body is provided with lifting mechanism, and the lifting mechanism is used to adjust height.

[0006] As further description of the above technical solution:

[0007] The lifting mechanism includes connecting plate one, the bottom of the connecting plate one is fixedly connected with the top of the bridge body, the top of the connecting plate one is fixedly connected with threaded rod, the outer wall top of the threaded rod is threadedly connected with threaded cylinder, the top middle of the threaded cylinder is fixedly connected with small bevel gear one, the outer wall of the small bevel gear one is engaged with small bevel gear two, the inside front end of the small bevel gear two is fixedly connected with knob, and the top of the threaded cylinder is slidably connected with protective cylinder.

[0008] As further description of the above technical solution:

[0009] The inner wall of the fixed sleeve is provided with a circular groove, and the right end of the rotating isolation plate is provided with a square groove.

[0010] As further description of the above technical solution:

[0011] The inner wall bottom of the protective shell is fixedly connected with fixed seat, and the top of the fixed seat is fixedly connected with the bottom of the motor.

[0012] As further description of the above technical solution:

[0013] The top middle of the bridge body is fixedly connected with upper baffle, and the bottom of the upper baffle is fixedly connected with waterproof layer.

[0014] As further description of the above technical solution:

[0015] The inner wall bottom of the threaded cylinder is provided with internal thread, and the inner wall of the internal thread is threadedly connected with the outer wall of the threaded rod.

[0016] As a further description of the above technical solutions:

[0017] The outer wall of the protection cylinder is provided with a circular hole, the inner wall of the circular hole is slidably connected with the middle part of the outer wall of the knob, and the top of the protection cylinder is fixedly connected with a threaded column.

[0018] As a further description of the above technical solutions:

[0019] The inner bottom of the bridge body is fixedly connected with a heat dissipation net, and the top of the heat dissipation net is fixedly connected with a plurality of partition plates.

[0020] As a further description of the above technical solutions:

[0021] The left end bottom of the bridge body is fixedly connected with a connecting plate two, and the top of the bridge body is threadedly connected with a plurality of hexagonal screws at the front and rear ends.

[0022] As a further description of the above technical solutions:

[0023] The front right end upper side of the bridge body is fixedly connected with a protective cover, the bottom of the protective cover is fixedly connected with the top of the protective shell, and the bottom right side of the bridge body is threadedly connected with a plurality of fixing screws.

[0024] The utility model has the advantages of the following beneficial effects:

[0025] 1、 the utility model discloses when the fire breaks out, the motor is started, at this time drive the rotation of the first rotary rod, will drive the rotation of the big bevel gear no.

[0026] 2、 the utility model discloses when the bridge is offset and is inclined, manually rotates the knob, at this time the knob rotates with the second small bevel gear, simultaneously drives the rotation of the first small bevel gear, at this time drive the rotation of the threaded cylinder, rotates the threaded rod together with the connecting plate no. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 A front side perspective view of the flame-retardant cable bridge is provided for the utility model;

[0028] Figure 2 A partition plate local structure split drawing of the flame-retardant cable bridge is provided for the utility model;

[0029] Figure 3The utility model provides a kind of thread barrel local structure split diagram of flame-retardant cable bridge;

[0030] Figure 4 The utility model provides a kind of fixed isolation plate local structure display drawing of flame-retardant cable bridge;

[0031] Figure 5 The utility model provides a kind of rotating isolation plate local structure split drawing of flame-retardant cable bridge.

[0032] Legend:

[0033] 1, bridge body;2, lifting mechanism;201, connecting plate one;202, threaded rod;203, thread barrel;204, small bevel gear one;205, small bevel gear two;206, knob;207, protection cylinder;3, protection shell;4, motor;5, rotating rod one;6, big bevel gear one;7, big bevel gear two;8, rotating rod two;9, fixed sleeve;10, connecting rod;11, rotating isolation plate;12, rotating rod sleeve;13, fixed isolation plate;14, circular recess;15, baffle ring;16, square recess;17, fixed seat;18, upper baffle;19, internal thread;20, circular hole;21, threaded column;22, waterproof layer;23, baffle;24, heat sink;25, connecting plate two;26, hexagon screw;27, fixed screw;28, protection cover. Specific implementation

[0034] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the utility model.

[0035] Please refer to the drawings of the embodiments of the utility model Figure 1 , the drawings of the embodiments of the utility model Figure 4 and the drawings of the embodiments of the utility model Figure 5The utility model provides an embodiment: a kind of flame-retardant cable bridge, including bridge body 1, the front end right side of bridge body 1 is fixedly connected with protective shell 3 near edge, it has played the effect of protection device, the inside rear end of protective shell 3 is fixedly connected with motor 4, the output of motor 4 is fixedly connected with rotating rod one 5, and it has provided power source for whole, the outer wall top of rotating rod one 5 is fixedly connected with big bevel gear one 6, the outer wall of big bevel gear one 6 is connected with big bevel gear two 7, it has played the effect of transmission, the inner wall rear end of big bevel gear two 7 is fixedly connected with rotating rod two 8, the front and rear ends of rotating rod two 8 are fixedly connected with multiple fixed sleeves 9 near edge, it has played the effect of fixed rotating rod two 8, the outer wall right side of fixed sleeve 9 is fixedly connected with connecting rod 10, the other end of connecting rod 10 is fixedly connected with rotating isolation plate 11, when fire, it can rotate down rotating isolation plate 11 and play the effect of isolating fire source, the outer wall of rotating rod two 8 is slidably connected with rotating rod sleeve 12, the outer wall top of rotating rod sleeve 12 is fixedly connected with fixed isolation plate 13, and it reaches the effect of flame-retardant with rotating isolation plate 11 cooperation, the front and rear ends of rotating rod two 8 are fixedly connected with multiple blocking rings 15 near middle, the rear end of blocking ring 15 is slidably connected with the front end of rotating rod sleeve 12, can block rotating rod sleeve 12, the top of bridge body 1 is provided with lifting mechanism 2, and lifting mechanism 2 is used for adjusting height.

[0036] Please refer to the attached Figure 1 , attached Figure 2 and attached Figure 3 , lifting mechanism 2 includes connecting plate one 201, and the bottom of connecting plate one 201 is fixedly connected with the top of bridge body 1, it has played the effect of supporting bridge body 1, the top of connecting plate one 201 is fixedly connected with threaded rod 202, and the outer wall top of threaded rod 202 is threadedly connected with threaded cylinder 203, so that threaded rod 202 can move in threaded cylinder 203, the top middle of threaded cylinder 203 is fixedly connected with small bevel gear one 204, and the outer wall of small bevel gear one 204 is engagedly connected with small bevel gear two 205, it has played the effect of transmission, the inside front end of small bevel gear two 205 is fixedly connected with knob 206, the top of threaded cylinder 203 is slidably connected with protection cylinder 207, and it has the effect of protecting small bevel gear one 204 and small bevel gear two 205.

[0037] Please refer to the attached Figure 1 and attached Figure 2The inner wall of the fixed sleeve 9 is provided with a circular groove 14, and the middle of the right end of the rotating isolation plate 11 is provided with a square groove 16, so that the cable can pass through the square groove 16, the inner wall of the protection shell 3 is fixedly connected with a fixed seat 17, the top of the fixed seat 17 is fixedly connected with the bottom of the motor 4, and the stability of the whole is improved. The top of the bridge body 1 is fixedly connected with an upper baffle 18, the bottom of the upper baffle 18 is fixedly connected with a waterproof layer 22, and the waterproof effect is achieved. The inner wall of the bottom of the threaded cylinder 203 is provided with an internal thread 19, and the inner wall of the internal thread 19 is threadedly connected with the outer wall of the threaded rod 202, so that the stability of the whole is improved.

[0038] Please refer to the attached Figure 1 and the attached Figure 3 The outer wall of the protection cylinder 207 is provided with a circular hole 20 at the front side, and the inner wall of the circular hole 20 is slidably connected with the outer wall of the knob 206 in the middle. The knob 206 can be extended through the circular hole 20. The top of the protection cylinder 207 is fixedly connected with a threaded column 21. The inner bottom of the bridge body 1 is fixedly connected with a heat dissipation net 24, which plays a heat dissipation role. The top of the heat dissipation net 24 is fixedly connected with a plurality of partition plates 23. The left end bottom of the bridge body 1 is fixedly connected with a connecting plate two 25, which is more stable in overall connection. The top of the bridge body 1 is threadedly connected with a plurality of hexagonal screws 26 at the front and rear ends. The front right upper side of the bridge body 1 is fixedly connected with a protection cover 28, which provides the function of protecting the parts. The bottom of the protection cover 28 is fixedly connected with the top of the protection shell 3. The bottom right side of the bridge body 1 is threadedly connected with a plurality of fixed screws 27.

[0039] Working principle: when a fire occurs, the motor 4 is started, at this time the motor 4 drives the rotating rod one 5 to rotate, at the same time the rotating rod one 5 drives the large bevel gear one 6 to rotate, then the large bevel gear one 6 drives the large bevel gear two 7 to rotate, the large bevel gear two 7 rotates the rotating rod two 8 downward, at this time the rotating rod two 8 will take the rotating isolation plate 11 to overturn downward, until the rotating isolation plate 11 covers the bridge, at this time the rotating isolation plate 11 tightly abuts the cable through the square groove 16, the flame cannot enter the inside of the bridge body 1, when the flame ends, the motor 4 is started in the same way, so that the rotating isolation plate 11 is turned up again, realizing the effect of blocking the flame from entering the inside of the bridge body 1 when a fire occurs;

[0040] When the bridge occurs deviation and inclination, the knob 206 is manually rotated, at this time the knob 206 takes the small bevel gear two 205 to rotate, at the same time the small bevel gear two 205 drives the small bevel gear one 204 to rotate, at this time the small bevel gear one 204 drives the threaded cylinder 203 to rotate, the threaded rod 202 is rotated downward together with the connecting plate one 201 and the bridge body 1, realizing the effect of adjusting the height of the threaded cylinder 203 and the threaded rod 202 to make the bridge horizontal when the bridge occurs inclination.

[0041] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A fire resistant cable tray comprising a bridge body (1), characterized in that: The front end right side of the bridge (1) is fixedly connected with a protective shell (3), the inner back end of the protective shell (3) is fixedly connected with a motor (4), the output end of the motor (4) is fixedly connected with a rotating rod one (5), the outer wall top of the rotating rod one (5) is fixedly connected with a large bevel gear one (6), the outer wall of the large bevel gear one (6) is meshed with a large bevel gear two (7), the inner wall back end of the large bevel gear two (7) is fixedly connected with a rotating rod two (8), the front and back ends of the rotating rod two (8) are fixedly connected with a plurality of fixed sleeves (9), the outer wall right side of the fixed sleeve (9) is fixedly connected with a connecting rod (10), the other end of the connecting rod (10) is fixedly connected with a rotating isolation plate (11), the outer wall of the rotating rod two (8) is slidingly connected with a rotating rod sleeve (12), the outer wall top of the rotating rod sleeve (12) is fixedly connected with a fixed isolation plate (13), the front and back ends of the outer wall of the rotating rod two (8) are fixedly connected with a plurality of blocking rings (15), the back end of the blocking ring (15) is slidingly connected with the front end of the rotating rod sleeve (12), the top of the bridge (1) is provided with a lifting mechanism (2), and the lifting mechanism (2) is used for adjusting height.

2. The fire resistant cable tray of claim 1, wherein: The lifting mechanism (2) comprises a connecting plate one (201), the bottom of the connecting plate one (201) is fixedly connected with the top of the bridge (1), the top of the connecting plate one (201) is fixedly connected with a threaded rod (202), the outer wall top of the threaded rod (202) is threadedly connected with a threaded cylinder (203), the top middle of the threaded cylinder (203) is fixedly connected with a small bevel gear one (204), the outer wall of the small bevel gear one (204) is meshed with a small bevel gear two (205), the inner front end of the small bevel gear two (205) is fixedly connected with a knob (206), and the top of the threaded cylinder (203) is slidingly connected with a protection cylinder (207).

3. The fire resistant cable tray of claim 1, wherein: The inner wall of the fixed sleeve (9) is provided with a circular groove (14), and the right end middle of the rotating isolation plate (11) is provided with a square groove (16).

4. The fire resistant cable tray of claim 1, wherein: The inner wall bottom of the protective shell (3) is fixedly connected with a fixed seat (17), and the top of the fixed seat (17) is fixedly connected with the bottom of the motor (4).

5. The fire resistant cable tray of claim 1, wherein: The top middle of the bridge (1) is fixedly connected with an upper baffle (18), and the bottom of the upper baffle (18) is fixedly connected with a waterproof layer (22).

6. The fire resistant cable tray of claim 2, wherein: The inner wall bottom of the threaded cylinder (203) is provided with an internal thread (19), and the inner wall of the internal thread (19) is threadedly connected with the outer wall of the threaded rod (202).

7. The fire resistant cable tray of claim 2, wherein: The outer wall front side of the protection cylinder (207) is provided with a circular hole (20), the inner wall of the circular hole (20) is slidingly connected with the outer wall middle of the knob (206), and the top of the protection cylinder (207) is fixedly connected with a threaded column (21).

8. The fire resistant cable tray of claim 1, wherein: The inner bottom of the bridge (1) is fixedly connected with a heat dissipation net (24), and the top of the heat dissipation net (24) is fixedly connected with a plurality of partition plates (23).

9. The fire resistant cable tray of claim 1, wherein: The left end bottom of the bridge body (1) is fixedly connected with a connecting plate two (25), and the top front and back ends of the bridge body (1) are all threadedly connected with a plurality of hexagonal screws (26).

10. The fire resistant cable tray of claim 1, wherein: The front right end upper side of the bridge body (1) is fixedly connected with a protective cover (28), the bottom of the protective cover (28) is fixedly connected with the top of the protective shell (3), and the bottom right side of the bridge body (1) is all threadedly connected with a plurality of fixed screws (27).

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