Fireproof bus duct convenient to split

Abstract

The utility model belongs to the field of bus ducts, and particularly relates to a fireproof bus duct convenient to split, which comprises two fireproof insulating sleeves, a plurality of busbars are fixedly connected in the fireproof insulating sleeves, clamping plates are in contact with the outer sides of the fireproof insulating sleeves, and hoops are slidably sleeved on the outer sides of the clamping plates. The side edge of the hoop is fixedly connected with a connecting plate, the side face of the connecting plate is fixedly connected with a threaded shaft, and the outer side of a shaft body of the threaded shaft is connected with an inner threaded sleeve through threads. According to the utility model, the four clamping plates are arranged, the clamping plates are attached to the fireproof insulation sleeves at the two ends of the busbar, then the outer sides of the four clamping plates are jointly sleeved with the hoop, and then the hoop can be locked by using the relative threaded fit between the threaded shaft and the internal threaded sleeve, so that the hoop can be locked only by controlling the positive and negative rotation of the internal threaded sleeve; therefore, the integral assembly and disassembly can be completed, and the operation is simple and convenient.

Description

Technical Field

[0001] The utility model relates to the field of bus ducts, in particular to a fireproof bus duct that is easy to split. Background Art

[0002] The fireproof bus duct is a fireproof device used in power transmission and distribution systems. It is made of fireproof materials and can play a role in heat insulation and fire isolation in the event of a fire to prevent the spread of fire. For example, the utility model patent with announcement number CN116565788B proposes a fireproof device and a fireproof bus duct; it belongs to the technical field of power transmission equipment. Among them, the fireproof device includes: a first fireproof baffle; a first thermal deformation member, the first end of the first thermal deformation member is connected to the first end of the first fireproof baffle, and the second end of the first thermal deformation member is connected to the component; a second thermal deformation member, the first end of the second thermal deformation member is connected to the first end of the first fireproof baffle, and the second end of the first thermal deformation member is connected to the component.

[0003] However, the various components of the existing fireproof bus duct need to be assembled with a large number of bolts, and the bolts also need to be removed one by one when disassembling, which is cumbersome. In addition, the inner cavity of the bus duct is relatively closed, resulting in limited heat dissipation capacity of the busbar. Therefore, it is necessary to improve it. Utility Model Content

[0004] The utility model aims to provide a fireproof bus duct which is easy to disassemble, which solves the problem that various components in the existing fireproof bus duct need to be assembled using a large number of bolts, and the bolts also need to be removed one by one when disassembling, which is relatively cumbersome. At the same time, it solves the problem that the inner cavity of the bus duct is relatively closed, resulting in limited heat dissipation capacity of the busbar.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fireproof bus duct that is easy to split, comprising two fireproof insulating sleeves, a plurality of busbars are fixedly connected inside the fireproof insulating sleeves, the outer side of the fireproof insulating sleeves is in contact with a clamp, the outer side of the clamp is slidably sleeved with a clamp, the side of the clamp is fixedly connected with a connecting plate, the side of the connecting plate is fixedly connected with a threaded shaft, and the outer side of the shaft body of the threaded shaft is connected to an internal threaded sleeve through a thread.

[0006] Preferably, the fireproof insulating sleeve is in a square block shape and is made of fiberglass. The fireproof insulating sleeve is provided to provide fireproof and pressure-resistant functions for the middle section of the busbar.

[0007] Preferably, a positioning block is fixedly connected to one side of the clamping plate close to the fireproof insulating sleeve, and the positioning block is clamped with the fireproof insulating sleeve. The positioning block is provided to facilitate the installation and positioning of the clamping plate on the fireproof insulating sleeve.

[0008] A flange is fixedly connected to one side of the clamping plate away from the fireproof insulation sleeve, and the flange is in contact with the clamping hoop. The arrangement of the flange has a limiting effect on the clamping hoop.

[0009] Preferably, a hollow shell is fixedly connected to the middle of the card plate, a heat conducting block is fixedly connected to the inner bottom of the hollow shell, and the heat conducting block is in contact with the busbar. The heat of the busbar can be absorbed by the arrangement of the heat conducting block.

[0010] Preferably, a plurality of fins are fixedly connected to the top of the heat conducting block, and the plurality of fins are distributed in an array. The heat dissipation capacity of the heat conducting block can be increased by disposing the fins.

[0011] Preferably, the hollow shell is in the shape of a hollow box, and openings are provided at both ends of the hollow shell. By providing openings at both ends of the hollow shell, air circulation inside the hollow shell is facilitated.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model sets four clamps, which are attached to the fireproof insulation sleeves at both ends of the busbar, and then sets clamps on the outside of the four clamps. Then, the clamps can be locked by the relative thread cooperation between the threaded shaft and the internal threaded sleeve. In this way, the overall assembly and disassembly can be completed by controlling the forward and reverse rotation of the internal threaded sleeve, which is simple and convenient to operate.

[0014] 2. The utility model provides a hollow shell with two ends opened in the middle of the card plate, and then provides a heat-conducting seat with fins in the hollow shell. The heat-conducting seat can absorb the heat of the busbar, and then use the fluidity of the air in the hollow shell to take the heat away, thereby achieving the purpose of heat dissipation for the busbar. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 For the utility model Figure 1 A three-dimensional cutaway view of the local structure Figure 1 ;

[0017] Figure 3 For the utility model Figure 1 A three-dimensional cutaway view of the local structure Figure 2 ;

[0018] Figure 4 For the utility model Figure 3 A magnified view of the structure of part A;

[0019] Figure 5 For the utility model Figure 1 A three-dimensional diagram of the local structure.

[0020] In the figure: 1. fireproof insulating sleeve; 2. busbar; 3. clamp; 31. flange; 4. clamp; 5. connecting plate; 6. threaded shaft; 7. internal threaded sleeve; 8. positioning block; 9. hollow shell; 91. heat transfer block; 92. fin. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-5 A fireproof bus duct that is easy to split includes two fireproof insulating sleeves 1. The fireproof insulating sleeves 1 are square blocks and made of fiberglass. The fireproof insulating sleeves 1 are provided to provide a fireproof and pressure-resistant function to the middle section of the busbar 2. A plurality of busbars 2 are fixedly connected to the inside of the fireproof insulating sleeve 1. A clamping plate 3 is in contact with the outside of the fireproof insulating sleeve 1. A positioning block 8 is fixedly connected to the side of the clamping plate 3 close to the fireproof insulating sleeve 1, and the positioning block 8 is clamped with the fireproof insulating sleeve 1. The positioning block 8 is provided to facilitate the installation and positioning of the clamping plate 3 on the fireproof insulating sleeve 1.

[0023] See also Figure 1-3 The side of the clamping plate 3 away from the fireproof insulation sleeve 1 is fixedly connected with a flange 31, and the flange 31 is in contact with the clamping hoop 4. The flange 31 has a limiting effect on the clamping hoop 4. The clamping plate 3 is slidably sleeved with the clamping hoop 4 on the outside, and the side of the clamping hoop 4 is fixedly connected with a connecting plate 5. The side of the connecting plate 5 is fixedly connected with a threaded shaft 6, and the outer side of the shaft body of the threaded shaft 6 is threadedly connected with an internal threaded sleeve 7.

[0024] See also Figure 1-3 , a hollow shell 9 is fixedly connected to the middle of the card plate 3, a heat-conducting block 91 is fixedly connected to the inner bottom of the hollow shell 9, and the heat-conducting block 91 is in contact with the busbar 2. By setting the heat-conducting block 91, the heat of the busbar 2 can be absorbed. A plurality of fins 92 are fixedly connected to the top of the heat-conducting block 91, and the plurality of fins 92 are distributed in an array. By setting the fins 92, the heat dissipation capacity of the heat-conducting block 91 can be increased. The hollow shell 9 is in the shape of a hollow box, and openings are provided at both ends of the hollow shell 9. By setting openings at both ends of the hollow shell 9, air circulation inside the hollow shell 9 is facilitated.

[0025] The specific implementation process of the utility model is as follows: when in use, each card plate 3 is fitted on the fireproof insulating sleeve 1 through the positioning block 8, and then the clamp 4 is set on the outside of each card plate 3, and then the internal threaded sleeve 7 is rotated, and the internal threaded sleeve 7 moves relative to the threaded shaft 6 to make the threaded shaft 6 move toward the direction of the internal threaded sleeve 7, and then the threaded shaft 6 drives the clamp 4 to move through the connecting plate 5 until the clamp 4 hits the flange 31 on the card plate 3, so that the installation of the whole day is completed. Similarly, the internal threaded sleeve 7 can be reversed to disassemble the whole, and the operation is simple and convenient. After the card plate 3 is installed, the heat conductive block 91 on the hollow shell 9 will fit with the busbar 2, and then absorb its heat, and then use the air flowability in the hollow shell 9 to take away the heat, thereby achieving the purpose of heat dissipation of the busbar 2.

[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 fireproof bus duct that is easy to split, comprising two fireproof insulating sleeves (1), characterized in that: A plurality of busbars (2) are fixedly connected inside the fireproof insulating sleeve (1), a clamping plate (3) is in contact with the outside of the fireproof insulating sleeve (1), a clamping hoop (4) is slidably sleeved on the outside of the clamping plate (3), a connecting plate (5) is fixedly connected to the side of the clamping hoop (4), a threaded shaft (6) is fixedly connected to the side of the connecting plate (5), and an internal threaded sleeve (7) is threadedly connected to the outside of the shaft body of the threaded shaft (6).

2. The easily disassembled fireproof bus duct according to claim 1 is characterized in that: The fireproof insulating sleeve (1) is in the shape of a square block and is made of glass fiber.

3. The easily disassembled fireproof bus duct according to claim 1 is characterized in that: A positioning block (8) is fixedly connected to one side of the clamping plate (3) close to the fireproof insulating sleeve (1), and the positioning block (8) is clamped to the fireproof insulating sleeve (1).

4. The easily disassembled fireproof bus duct according to claim 1 is characterized in that: A flange (31) is fixedly connected to the side of the clamping plate (3) away from the fireproof insulating sleeve (1), and the flange (31) is in contact with the clamping hoop (4).

5. The easily disassembled fireproof bus duct according to claim 1 is characterized in that: A hollow shell (9) is fixedly connected to the middle of the clamping plate (3), a heat conducting block (91) is fixedly connected to the inner bottom of the hollow shell (9), and the heat conducting block (91) is in contact with the busbar (2).

6. The easily disassembled fireproof bus duct according to claim 5, characterized in that: A plurality of fins (92) are fixedly connected to the top of the heat conducting block (91), and the plurality of fins (92) are distributed in an array.

7. The easily disassembled fireproof bus duct according to claim 5 is characterized in that: The hollow shell (9) is in the shape of a hollow box, and openings are provided at both ends of the hollow shell (9).

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