Fireproof dense bus duct

Abstract

The utility model belongs to the technical field of bus ducts, and particularly relates to a fireproof dense bus duct, which solves the problems in the prior art that the disassembly and assembly are troublesome and the practicability is poor, and comprises a bus duct and a second heat dissipation plate, and the interior of the bus duct is fixedly connected with two symmetrically arranged heat dissipation blocks through screws. Through the arrangement of a first sliding block, a second sliding block and other structures, when the fireproof groove needs to be overhauled, a receding rod is pulled rightwards firstly, the receding rod drives the first sliding block to move rightwards so as to leave the interior of the fixing groove, and after the first sliding block completely leaves the fixing groove, the first cooling plate is fixedly connected to one side of the cooling block through a screw. The second heat dissipation plate can be taken down upwards, at the moment, a second sliding block moves downwards under the action of a second spring, a clamping block is driven to enter a clamping groove, fixing of a first sliding block is completed, maintenance can be started at the moment, and the problem that disassembly is difficult is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bus ducts, in particular to a fire-resistant dense bus duct. Background Art

[0002] At present, modern high-rise buildings and large workshops require huge amounts of electrical energy, and in the face of the huge loads of hundreds or thousands of amperes of strong current, it is necessary to use safe and reliable conduction equipment. Bus duct is a power distribution device that efficiently transmits current, and fire-resistant bus duct is indispensable in large-scale projects.

[0003] The authorization announcement number in the prior art is: CN216355872U, and the name is: A fireproof and fire-resistant dense bus duct, which relates to the technical field of bus duct. The utility model includes a bus duct body (3), and the right side of the bus duct body (3) is fixedly connected to a side plate (4), and the bus duct body (3) and the side plate (4) form a cavity. The inside of the cavity is evenly and horizontally fixedly connected with a bus bar (5), and an insulating positioning glue (6) is provided between two adjacent bus bars (5). The side walls of the cavity close to the bus duct body (3) and the side plate (4) are provided with a heat dissipation box (7), and the upper and lower surfaces of the bus duct body (3) are correspondingly fixedly connected to a top plate (1) and a bottom plate (2). The utility model can quickly dissipate heat for the bus bars (5) on both sides through the heat dissipation box (7); and can dissipate heat for multiple bus bars (5) in the middle through the heat dissipation fins (11), thereby solving the problem of poor heat dissipation of dense bus ducts.

[0004] Although the utility model uses a heat sink to solve the problem of poor heat dissipation of the bus duct, the heat sink is fixed with screws, which is very troublesome to disassemble and assemble during installation and later maintenance. In addition, the utility model is a bus duct, which is generally installed in high-rise buildings that require a lot of electricity. The maintenance passage is generally very narrow. When a line fails, the problem needs to be checked one by one, so there is a problem of poor practicality. Utility Model Content

[0005] The utility model aims to provide a fire-resistant dense bus duct, which solves the problems of troublesome disassembly and assembly and poor practicability.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fire-resistant dense bus duct, comprising a bus duct and a second heat sink, wherein two symmetrically arranged heat sinks are fixedly connected to the inside of the bus duct by screws, one side of the heat sink is fixedly connected to the first heat sink by screws, and both sides of the two first heat sinks are fixedly connected to fixing blocks by screws, and a plurality of fireproof cottons are arranged inside the bus duct;

[0007] The second heat sink is internally slidably equipped with a first slider, one side of the first slider is fixedly connected to a retreat rod by screws, the second heat sink is internally slidably equipped with a second slider, one side of the second slider is fixedly connected to a connecting block by screws, the bottom of the connecting block is fixedly connected to a push block by screws, and the bottom of the second slider is fixedly connected to a clamping block by screws.

[0008] Preferably, a mounting groove is provided inside the fireproof cotton, and a temperature sensor is installed inside the mounting groove.

[0009] Preferably, a first slide groove is opened inside the second heat dissipation plate, the first slider is slidably connected inside the first slide groove, a first spring is welded on one side of the first slider, the other end of the first spring is welded on the side wall of the first slide groove, and the first spring is sleeved on the outer circumferential surface of the retreat rod. The first slider can be automatically reset by the setting of the first spring.

[0010] Preferably, a second slide groove is provided inside the second heat dissipation plate, the second slider is slidably connected inside the second slide groove, two symmetrically arranged second springs are welded on the top of the second slider, and the other ends of the two second springs are welded to the top wall of the second slide groove. The second slider can be automatically reset by the setting of the second slider.

[0011] Preferably, a slot is provided inside the first sliding block, and the block has the same shape and size as the slot. The arrangement of the slot can make the structure more stable.

[0012] Preferably, a fixing groove is provided inside the fixing block, and the first sliding block and the fixing groove have the same shape and size. The setting of the fixing groove can make the structure more stable.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model provides the first slider and the second slider and other structures. When the fireproof groove needs to be inspected, the retreat rod is first pulled to the right, and the retreat rod drives the first slider to move to the right to leave the interior of the fixed groove. After completely leaving the fixed groove, the second heat sink can be removed upwards. At this time, the second slider moves downward due to the action of the second spring, driving the card block to enter the interior of the card slot, completing the fixation of the first slider. At this time, the inspection can be started, solving the problem of difficult disassembly.

[0015] 2. The utility model sets up structures such as fireproof cotton and temperature sensors. By setting a temperature sensor inside the fireproof cotton, when a line fault occurs, the temperature monitoring numerical control of the sensor can be used to roughly understand where the fault is, which greatly reduces the difficulty of maintenance and solves the problem of poor practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a front cross-sectional view of the utility model;

[0018] Figure 3 It is an enlarged view of point A of the present utility model.

[0019] In the figure: 1, bus duct; 2, first heat sink; 3, second heat sink; 4, heat sink block; 5, fireproof cotton; 6, temperature sensor; 7, retreat rod; 8, first slide groove; 9, first spring; 10, first slider; 11, clamping groove; 12, fixing groove; 13, fixing block; 14, push block; 15, connecting block; 16, second slider; 17, second slide groove; 18, second spring; 19, clamping block; 20, mounting groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3A fire-resistant dense bus duct, comprising a bus duct 1 and a second heat sink 3, wherein the interior of the bus duct 1 is fixedly connected with two symmetrically arranged heat sinks 4 by screws, one side of the heat sink 4 is fixedly connected with a first heat sink 2 by screws, and both sides of the two first heat sinks 2 are fixedly connected with a fixing block 13 by screws, a plurality of fireproof cottons 5 are arranged inside the bus duct 1, a first slider 10 is slidably mounted inside the second heat sink 3, one side of the first slider 10 is fixedly connected with a retreat rod 7 by screws, a second slider 16 is slidably mounted inside the second heat sink 3, one side of the second slider 16 is fixedly connected with a connecting block 15 by screws, and the connecting block 15 The bottom of the second slider 16 is fixedly connected with a push block 14 by screws, and the bottom of the second slider 16 is fixedly connected with a clamping block 19 by screws. Through the arrangement of the first slider 10 and the second slider 16 and other structures, when the fireproof groove needs to be inspected, the retreat rod 7 is first pulled to the right, and the retreat rod 7 drives the first slider 10 to move to the right to leave the inside of the fixed groove 12. After completely leaving the fixed groove 12, the second heat sink 3 can be removed upwards. At this time, the second slider 16 moves downward due to the action of the second spring 18, driving the clamping block 19 to enter the inside of the clamping groove 11, completing the fixation of the first slider 10. At this time, the inspection can be started, solving the problem of difficult disassembly.

[0022] See also Figure 1-3 An installation groove 20 is provided inside the fireproof cotton 5, and a temperature sensor 6 is installed inside the installation groove 20. By setting the structures such as the fireproof cotton 5 and the temperature sensor 6, and by setting the temperature sensor 6 inside the fireproof cotton 5, when a fault occurs in the line, the temperature monitoring numerical control of the sensor can be used to roughly understand where the fault is, which greatly reduces the difficulty of maintenance and solves the problem of poor practicality.

[0023] See also Figure 1-3 A first slide groove 8 is provided inside the second heat dissipation plate 3, and a first slider 10 is slidably connected to the inside of the first slide groove 8. A first spring 9 is welded to one side of the first slider 10, and the other end of the first spring 9 is welded to the side wall of the first slide groove 8. The first spring 9 is sleeved on the outer circumferential surface of the retreat rod 7. A second slide groove 17 is provided inside the second heat dissipation plate 3, and a second slider 16 is slidably connected to the inside of the second slide groove 17. Two symmetrically arranged second springs 18 are welded to the top of the second slider 16, and the other ends of the two second springs 18 are welded to the top wall of the second slide groove 17. A card slot 11 is provided inside the first slider 10, and the card block 19 has the same shape and size as the card slot 11. A fixed slot 12 is provided inside the fixed block 13, and the first slider 10 has the same shape and size as the fixed slot 12.

[0024] The specific implementation process of the utility model is as follows: when the bus duct 1 needs to be inspected and repaired, it is only necessary to first pull the retreat rod 7 to the right, and the retreat rod 7 drives the first slide block 10 to move to the right, so as to leave the interior of the fixing groove 12. After completely leaving the fixing groove 12, the second heat sink 3 can be removed upwards. At this time, the second slide block 16 moves downward due to the action of the second spring 18, driving the clamping block 19 to enter the interior of the clamping groove 11, completing the fixation of the first slide block 10. At this time, the inspection and repair can be started, which solves the problem of difficult disassembly. Further, when the installation is required after the inspection and repair is completed, the fixing block 13 is inserted into the position of the installation groove 20, and the fixing block 13 pushes the push block 14 upward. The push block 14 drives the second slide block 16 and the clamping block 19 fixed thereon to move together through the connecting block 15 until the clamping block 19 completely leaves the interior of the clamping groove 11. The clamping block 19 will move to the left due to the action of the first spring 9 and enter the interior of the fixing groove 12. At this time, the installation of the second heat sink 3 is completed.

[0025] Furthermore, when a fault occurs somewhere in the cable, it is only necessary to use the temperature monitoring CNC of the sensor to roughly understand where the fault is, which greatly reduces the difficulty of maintenance and solves the problem of poor practicality.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fire-resistant dense bus duct, comprising a bus duct (1) and a second heat sink (3), characterized in that: The bus duct (1) is internally fixedly connected with two symmetrically arranged heat dissipation blocks (4) by means of screws, one side of the heat dissipation block (4) is fixedly connected with a first heat dissipation plate (2) by means of screws, and both sides of the two first heat dissipation plates (2) are fixedly connected with fixing blocks (13) by means of screws, and the bus duct (1) is internally provided with a plurality of fireproof cottons (5); The second heat sink (3) is internally slidably equipped with a first slider (10), one side of the first slider (10) is fixedly connected to a retreat rod (7) by means of screws, the second heat sink (3) is internally slidably equipped with a second slider (16), one side of the second slider (16) is fixedly connected to a connecting block (15) by means of screws, the bottom of the connecting block (15) is fixedly connected to a push block (14) by means of screws, and the bottom of the second slider (16) is fixedly connected to a clamping block (19) by means of screws.

2. The fire-resistant dense bus duct according to claim 1, characterized in that: The fireproof cotton (5) is provided with a mounting groove (20) inside, and a temperature sensor (6) is installed inside the mounting groove (20).

3. The fire-resistant dense bus duct according to claim 1, characterized in that: A first slide groove (8) is provided inside the second heat dissipation plate (3), the first slider (10) is slidably connected inside the first slide groove (8), a first spring (9) is welded on one side of the first slider (10), the other end of the first spring (9) is welded on the side wall of the first slide groove (8), and the first spring (9) is sleeved on the outer peripheral surface of the retreat rod (7).

4. The fire-resistant dense bus duct according to claim 1, characterized in that: A second slide groove (17) is provided inside the second heat dissipation plate (3), and the second slider (16) is slidably connected inside the second slide groove (17). Two symmetrically arranged second springs (18) are welded to the top of the second slider (16), and the other ends of the two second springs (18) are welded to the top wall of the second slide groove (17).

5. The fire-resistant dense bus duct according to claim 1, characterized in that: A clamping groove (11) is provided inside the first sliding block (10), and the clamping block (19) and the clamping groove (11) have the same shape and size.

6. The fire-resistant dense bus duct according to claim 1, characterized in that: A fixing groove (12) is provided inside the fixing block (13), and the first sliding block (10) and the fixing groove (12) have the same shape and size.

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