CN219181133U

CN219181133U - Fire-resistant bus duct

Info

Publication number: CN219181133U
Application number: CN202223182225.2U
Authority: CN
Inventors: 蔡纪龙; 蔡华; 蔡伟
Original assignee: Jiangsu Huicheng Electric Co ltd
Current assignee: Jiangsu Huicheng Electric Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-06-13
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to the field of bus ducts, and discloses a fire-resistant bus duct which effectively solves the problems that a gap exists in the existing bus duct, air exists in the gap, and thus the bus duct catches fire under the combustion supporting effect of the air.

Description

Fire-resistant bus duct

Technical Field

The utility model belongs to the field of bus ducts, and particularly relates to a fire-resistant bus duct.

Background

According to the patent document with the authority publication number of CN216413853U, the utility model is named as an intensive fire-resistant bus duct, and the specification of the patent document is as follows: the insulating layer and the fireproof layer can effectively play a role in heat insulation and fire prevention, the high-temperature-resistant fixing piece can bear higher temperature and has a bottom heat conductivity coefficient, insulation safety performance under the high temperature condition is guaranteed, the insulating layer is made of high-temperature-resistant insulating materials, electrical insulation under the high temperature condition can be guaranteed, fire protection power supply in the fire disaster duration is guaranteed under the fire disaster condition, precious time is striven for fire extinction and personnel evacuation, the insulation effect is effectively played, and the following defects still exist:

the fireproof bus duct has the advantages that the fireproof effect is achieved on the bus through the fireproof material, gaps exist in the fireproof bus duct, air is easy to exist in the gaps, when fire is on, the fire is easy to cause the bus duct to catch fire under the combustion supporting of the air, and therefore power loss is caused.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the fire-resistant bus duct, which effectively solves the problem that the bus duct catches fire under the combustion-supporting effect of air because gaps exist in the bus duct at present.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the fire-resistant bus duct comprises a bus duct body, wherein the inside of the bus duct body is provided with duct bodies at equal intervals, the bus body is arranged in the duct body, and a fire-resistant assembly is arranged between the two duct bodies;

the fireproof assembly comprises a movable groove arranged between two adjacent groove bodies, a fixed plate is fixedly arranged in the middle of the movable groove, the fixed plate is arranged parallel to the groove bodies, pressing plates are symmetrically arranged on two sides of the fixed plate, and the pressing plates are tightly attached to the busbar body.

Preferably, a sealing gasket is arranged on the outer side of the pressing plate, and the sealing gasket is tightly attached to the inner wall of the movable groove.

Preferably, springs are installed at equal angles on two sides of the fixed plate, and the springs on two sides are fixedly connected with the two pressing plates respectively.

Preferably, communicating pipes are arranged on one sides of the two pressing plates, which are close to each other, and the communicating pipes are communicated with the inside of the tank body.

Preferably, the inside movable mounting of communicating pipe has the piston, and the outer wall of piston is hugged closely with the inner wall of communicating pipe, and the connecting rod is installed to one side that two pistons are close to each other, and the one end that the connecting rod kept away from the piston is located the outside of communicating pipe.

Preferably, two one sides that the connecting rods are close to each other are all rotated and are connected with the bull stick, and the bull stick rotates with the connecting plate to be connected, and one side that the connecting plate is close to the fixed plate rotates and is connected with the screw rod, screw rod and fixed plate threaded connection, the dwang is installed to the one end that the connecting plate was kept away from to the screw rod, dwang and connecting plate joint, and the dwang runs through to the outside of bus duct body.

Preferably, an inflation tube is arranged at the top end of the movable groove, a tube cap is arranged at the top end of the inflation tube, and the inflation tube is in threaded connection with the tube cap.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, when a fire disaster occurs, a worker moves the piston in the communicating pipe to the outer side of the communicating pipe, so that two sides of the pressing plates are communicated through the communicating pipe, nitrogen is diffused to the outer side of the bus body from between the two pressing plates, the oxygen content of the outer side of the bus body is reduced, the fire is blocked, the bus body is protected, and the fireproof performance is improved;

(2) This novel nitrogen gas that lets in between to two clamp plates through follow the gas tube department, after nitrogen gas lets in between two clamp plates constantly, atmospheric pressure increases between two clamp plates to make two clamp plates hug closely with the generating line body under atmospheric pressure effect, thereby play the supporting role to the lateral wall of generating line body, improve the installation stability of generating line body.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic view of a fire-resistant busway structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the bus duct body of the present utility model;

FIG. 3 is a schematic view of a fire protection assembly according to the present utility model;

FIG. 4 is a schematic view of a platen structure according to the present utility model;

FIG. 5 is a schematic view of a piston structure according to the present utility model;

in the figure: 1. a bus duct body; 2. a tank body; 3. a bus body; 4. a fire protection assembly; 401. a movable groove; 402. a fixing plate; 403. a pressing plate; 404. a sealing gasket; 405. a spring; 406. a communicating pipe; 407. a piston; 408. a connecting rod; 409. a rotating rod; 410. a connecting plate; 411. a screw; 412. a rotating lever; 5. an inflation tube; 6. a pipe cap.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The first embodiment is shown in fig. 1-5, the utility model comprises a bus duct body 1, the interior of the bus duct body 1 is provided with a duct body 2 at equal intervals, the interior of the duct body 2 is provided with a bus body 3, and a fireproof component 4 is arranged between the two duct bodies 2;

the fireproof assembly 4 comprises a movable groove 401 arranged between two adjacent groove bodies 2, a fixed plate 402 is fixedly arranged in the middle of the movable groove 401, the fixed plate 402 is arranged in parallel with the groove bodies 2, two sides of the fixed plate 402 are symmetrically provided with pressure plates 403, the pressure plates 403 are tightly attached to a bus body 3, a sealing gasket 404 is arranged on the outer side of each pressure plate 403, the sealing gasket 404 is tightly attached to the inner wall of the movable groove 401, springs 405 are arranged on two sides of the fixed plate 402 at equal angles, the springs 405 on two sides are fixedly connected with the two pressure plates 403 respectively, communicating pipes 406 are arranged on one sides of the two pressure plates 403, which are close to each other, the communicating pipes 406 are communicated with the inside of the groove bodies 2, pistons 407 are movably arranged in the communicating pipes 406, the outer walls of the pistons 407 are tightly attached to the inner walls of the communicating pipes 406, connecting rods 408 are arranged on one sides of the two pistons 407, one ends of the connecting rods 408, which are far away from the pistons 407, are positioned on the outer sides of the communicating pipes 406, the two connecting rods 408 are rotatably connected with a rotating rod 409 on one side close to each other, the rotating rod 409 is rotatably connected with a connecting plate 410, a screw 411 is rotatably connected on one side of the connecting plate 410 close to the fixed plate 402, the screw 411 is in threaded connection with the fixed plate 402, a rotating rod 412 is arranged at one end of the screw 411 far away from the connecting plate 410, the rotating rod 412 is clamped with the connecting plate 410, the rotating rod 412 penetrates to the outer side of the bus duct body 1, an inflation tube 5 is arranged at the top end of the movable duct 401, a tube cap 6 is arranged at the top end of the inflation tube 5, the inflation tube 5 is in threaded connection with the tube cap 6, nitrogen is introduced between the two pressing plates 403 from the inflation tube 5, after the nitrogen is continuously introduced between the two pressing plates 403, the air pressure between the two pressing plates 403 is increased, so that the two pressing plates 403 are tightly attached to the bus body 3 under the action of air pressure, the side wall of the bus body 3 is supported, the installation stability of the bus body 3 is improved, when encountering fire, the staff moves the piston 407 inside the communicating pipe 406 to the outside of the communicating pipe 406, so that two sides of the pressing plates 403 are communicated through the communicating pipe 406, and nitrogen gas is diffused to the outside of the busbar body 3 from between the two pressing plates 403, so that fire is blocked, the busbar body 3 is protected, and the fireproof performance is improved.

Working principle: when the novel bus duct is used, after the bus body 3 is installed inside the duct body 2, the pipe caps 6 at the top end of the bus duct body 1 are unscrewed, nitrogen is introduced into the movable groove 401 through the gas charging pipe 5, after the nitrogen is introduced into the movable groove 401, the gas pressure between the two pressing plates 403 is continuously increased, thereby pressing between the pressing plates 403 and the bus body 3, the supporting effect on the side wall of the bus body 3 is improved, the installation stability is improved, after the nitrogen is charged, the pipe caps 6 are screwed up, as the sealing gaskets 404 are arranged outside the pressing plates 403, the sealing gaskets 404 are tightly attached to the inner wall of the movable groove 401, the gas charging pipe 5 is sealed through the pipe caps 6, the nitrogen is prevented from leaking, when a fire disaster is met, the staff rotates the rotating rod 412, the screw 411 is driven to move outwards, the connecting plate 410 is driven to move outwards, the piston 407 is driven to the outer side of the connecting pipe 406 through the rotating rod 409, and therefore the two pressing plates 403 are connected to talk through the connecting pipe 406, the nitrogen between the two pressing plates 403 is diffused to the outer side of the bus body 3, and the bus 3 can be blocked by the nitrogen, and the protection performance of the bus body 3 is improved.

Claims

1. The utility model provides a fire-resistant bus duct, includes bus duct body (1), its characterized in that: the bus duct comprises bus duct bodies (1), wherein the inside of each bus duct body (1) is provided with a duct body (3) at equal intervals, the inside of each duct body (2) is provided with a bus bar body (3), and a fireproof assembly (4) is arranged between the two duct bodies (2);

the fireproof assembly (4) comprises a movable groove (401) formed between two adjacent groove bodies (2), a fixed plate (402) is fixedly arranged in the middle of the movable groove (401), the fixed plate (402) and the groove bodies (2) are arranged in parallel, pressing plates (403) are symmetrically arranged on two sides of the fixed plate (402), and the pressing plates (403) are tightly attached to the busbar body (3).

2. A fire resistant bus duct as set forth in claim 1, wherein: a sealing gasket (404) is arranged on the outer side of the pressing plate (403), and the sealing gasket (404) is tightly attached to the inner wall of the movable groove (401).

3. A fire resistant bus duct as set forth in claim 1, wherein: springs (405) are installed at equal angles on two sides of the fixed plate (402), and the springs (405) on two sides are fixedly connected with the two pressing plates (403) respectively.

4. A fire resistant bus duct as set forth in claim 1, wherein: and communicating pipes (406) are arranged on one sides of the two pressing plates (403) close to each other, and the communicating pipes (406) are communicated with the inside of the tank body (2).

5. The fire resistant bus duct as set forth in claim 4, wherein: the inside movable mounting of communicating pipe (406) has piston (407), and the outer wall of piston (407) is hugged closely with the inner wall of communicating pipe (406), and connecting rod (408) are installed to one side that two pistons (407) are close to each other, and the one end that connecting rod (408) kept away from piston (407) is located the outside of communicating pipe (406).

6. The fire resistant bus duct as set forth in claim 5, wherein: two one side that connecting rod (408) are close to each other all rotates and is connected with bull stick (409), and bull stick (409) rotate with connecting plate (410) to be connected, and one side that connecting plate (410) are close to fixed plate (402) rotates and is connected with screw rod (411), screw rod (411) and fixed plate (402) threaded connection, and dwang (412) are installed to one end that connecting plate (410) were kept away from to screw rod (411), dwang (412) and connecting plate (410) joint, and dwang (412) run through to the outside of bus duct body (1).

7. A fire resistant bus duct as set forth in claim 1, wherein: an inflation tube (5) is arranged at the top end of the movable groove (401), a tube cap (6) is arranged at the top end of the inflation tube (5), and the inflation tube (5) is in threaded connection with the tube cap (6).