CN220273269U - Fixing device of fire-resistant bus duct conductor - Google Patents
Fixing device of fire-resistant bus duct conductor Download PDFInfo
- Publication number
- CN220273269U CN220273269U CN202321845094.3U CN202321845094U CN220273269U CN 220273269 U CN220273269 U CN 220273269U CN 202321845094 U CN202321845094 U CN 202321845094U CN 220273269 U CN220273269 U CN 220273269U
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- CN
- China
- Prior art keywords
- side plate
- pressing block
- side board
- bus duct
- conductor
- Prior art date
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- 239000004020 conductor Substances 0.000 title claims abstract description 42
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 21
- 238000009413 insulation Methods 0.000 claims abstract description 54
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 14
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 8
- 239000003063 flame retardant Substances 0.000 description 8
- 238000005192 partition Methods 0.000 description 7
- 239000003822 epoxy resin Substances 0.000 description 3
- 239000010445 mica Substances 0.000 description 3
- 229910052618 mica group Inorganic materials 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 206010000369 Accident Diseases 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
Landscapes
- Installation Of Bus-Bars (AREA)
Abstract
The utility model discloses a fixing device of a fire-resistant bus duct conductor, which relates to the technical field of low-voltage power transmission and distribution, and solves the technical problems that the bus bar is difficult to install due to non-straight shape, size cannot be adjusted and conductor clamping is not tight when the existing blind installation condition exists, and comprises a left side plate and a right side plate, wherein an upper insulation pressing block and a lower insulation pressing block are arranged between the left side plate and the right side plate, the upper insulation pressing block is detachably connected with the left side plate and the right side plate through a positioning bracket, a screw and a fastening bolt, the lower insulation pressing block is fixedly connected with the left side plate and the right side plate through the screw, and bus card grooves are formed in the left side plate and the right side plate; the embedded nuts are designed at the two ends of the lower insulation pressing block, the embedded nuts can be conveniently and rapidly connected with the bus duct side plates by using the screws, one embedded nut is installed every 300mm, the conductor coated with the insulation layer is installed in the bus duct clamping groove, the bolts are connected with the positioning brackets fixed on the left side plate and the right side plate by the through holes, the bolts are fastened, the gaps are adjusted, the conductor is pressed and fixed into a whole, the mechanical strength is high, and the installation is convenient.
Description
Technical Field
The utility model relates to the technical field of low-voltage power transmission and distribution, in particular to the technical field of a fixing device of a fire-resistant bus duct conductor.
Background
The existing fire-resistant bus duct structure forms in the market basically have three types: a dense fire-resistant bus duct is characterized in that a conductor is tightly pressed with a duct body shell after being coated with an insulating layer, and is riveted into a whole, the conductor fixing mode has the advantages of small volume and low cost as a common bus duct, but the conductor fixing mode is used as a fire-resistant bus duct special for fire protection, because bus bars are tightly arranged, gaps are not reserved between the bus bars and the bus bars, and short-circuit accidents are easily caused by the damage of the bus insulating layer in fire.
The second is the fire-resistant bus duct of epoxy resin pouring, its conductor adopts the epoxy resin pouring encapsulation to fix the conductor into an integral whole, and this kind of protection grade of pouring bus duct is high, is fit for moist pollution environment and uses, but as fire-resistant bus duct, because epoxy resin is not high temperature resistant, it is difficult to reach 180 min's fire-resistant time in the technique, can not use as fire-resistant bus duct special for fire control in the strict sense.
The third is the fire-resistant bus duct of air type, its conductor fixing mode is that the insulating cushion block is fixed on cover plate of the outer cover first, the disadvantage is that there is blind installation condition, the bus bar is not straight and difficult to install in a long time, the size can not be regulated, the conductor is blocked loose; the other group of insulating cushion blocks are connected with the lower insulating cushion blocks through long bolts to fix and clamp the conductors, and the defect is that the groove body needs to be turned over during installation, so that time and labor are wasted.
Disclosure of Invention
The utility model aims at: in order to solve the technical problems, the utility model provides a fixing device for a refractory bus duct conductor.
The utility model adopts the following technical scheme for realizing the purposes:
the utility model provides a fixing device of fire-resistant bus duct conductor, includes left side board and right side board, be provided with insulating briquetting and lower insulating briquetting in the middle of left side board and the right side board, go up insulating briquetting and left side board and right side board through locating support, screw and fastening bolt and can dismantle the connection, lower insulating briquetting passes through screw and left side board and right side board fixed connection, has all seted up the bus-bar groove on left side board and the right side board.
Trapezoid grooves are formed in the upper insulating pressing block and the lower insulating pressing block.
And positioning grooves are formed in the upper insulating pressing block and the lower insulating pressing block.
Through holes are formed in the upper insulating pressing block and the lower insulating pressing block, and copper nuts are embedded in two ends of the lower insulating pressing block.
The positioning support is provided with a mm adjusting gap, the positioning support is L-shaped, one side of the positioning support is provided with two fixing threaded holes, the fixing threaded holes are used for connecting a left side plate and a right side plate, the other side of the positioning support is provided with a connecting threaded hole, and the connecting threaded hole is used for connecting an upper insulation pressing block.
The bus clamping groove is used for clamping the phase bus and the PE phase bus.
The beneficial effects of the utility model are as follows:
the embedded nuts are designed at the two ends of the lower insulation pressing block, the embedded nuts can be conveniently and rapidly connected with the side plates of the bus duct by using screws, one embedded nut is installed every 300mm, the two side plates are rapidly and firmly fixed and formed, a conductor coated with an insulation layer is installed in the bus duct by clamping the insulation pressing block with a through hole, the bolts are connected with positioning brackets fixed on the left side plate and the right side plate by the through holes, the bolts are fastened, gaps are adjusted, the conductor is pressed and fixed into a whole, the mechanical strength is high, and the installation is convenient.
The bus slot designed by the upper insulation pressing block separates the bus slot conductor into enough large electric gaps, a mica flame-retardant insulation partition plate and a heat insulation blanket are arranged between the gaps, the fire-resistant bus slot conductor forms an air insulation layer except for an insulation layer coated by the mica flame-retardant insulation partition plate and an insulation layer between the gaps, so that the fire-resistant bus slot is provided with the insulation pressing block and the insulation coating layer, the gap air layer and the flame-retardant insulation partition plate form quadruple insulation protection, even if the conductor insulation coating layer is damaged in a fire accident, the insulation pressing block, the gaps between the conductors and the flame-retardant insulation partition plate between the conductors are arranged, the fire-resistant bus slot cannot be short-circuited due to the insulation damage of the slot body scatter frame in a specified time, the electric performance of the fire-resistant bus slot is greatly improved, the insulation grade and the fire resistance are improved, and the fire-resistant power transmission equipment is provided for fire-resistant equipment power supply.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side elevational view of the present utility model;
FIG. 3 is a schematic diagram of a three-dimensional structure of a positioning bracket according to the present utility model;
reference numerals: 1-insulation pressing block, 2-fastening bolt, 3-locating bracket, 4-screw, 6-PE looks generating line, 7-right side board, 8-insulation pressing block, 10-bus line clamping groove, 11-left side board, 12-looks generating line, 13-fixed screw hole, 14-constant head tank, 15-connecting screw hole, 16-through-hole, 17-dovetail groove.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected 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.
Example 1
As shown in fig. 1 to 3, this embodiment provides a fixing device for a fire-resistant bus duct conductor, including left side board 11 and right side board 7, be provided with insulating briquetting 1 and lower insulating briquetting 8 in the middle of left side board 11 and right side board 7, go up insulating briquetting 1 and be connected with left side board 11 and right side board 7 through locating support 3, screw 4 and fastening bolt 2 can be dismantled, lower insulating briquetting 8 passes through screw 4 and left side board 11 and right side board 7 fixed connection, bus bar clamping groove 10 has all been seted up on left side board 11 and right side board 7, trapezoidal groove 17 has all been seted up on insulating briquetting 1 and the lower insulating briquetting 8, all set up constant head tank 14 on insulating briquetting 1 and the lower insulating briquetting 8, all set up through-hole 16 on insulating briquetting 1 and the lower insulating briquetting 8 down, embedded copper nut in both ends of insulating briquetting 8 down, be provided with 5 mm's regulating gap on the locating support 3, locating support 3 is L-shaped, two fixed screw holes 13 have been seted up to one side of locating support 3, fixed screw holes 13 are used for connecting left side board 11 and right side board 7, a threaded hole 15 has been seted up on the opposite side of locating support 3, connect threaded hole 15 for connecting bus bar clamping groove 10 and bus bar clamping groove 12, bus bar 12 is used for connecting.
The embedded copper nut of lower insulation briquetting 8 both ends design is connected with left side board 11 and right side board 7 through set screw 2 fast, installs one along bus duct length direction every 300mm, and the design constant head tank 14 is with insulation briquetting 1 control location, and through-hole 16 has been designed on the upper insulation briquetting 1 both sides, and fastening bolt 2 is connected with the locating support 3 of fixing on left side board 11 and right side board 7 through this through-hole 16, and the below of upper insulation briquetting 1 has 5 mm's regulation clearance with the upper surface design of locating support 3, and fastening bolt 4 conductor is compressed tightly, solves the problem that the conductor card is difficult to install because of bus bar too long is uneven or because of the inhomogeneous appearance of conductor insulation coating through the regulation clearance.
The embedded nuts are designed at the two ends of the lower insulation pressing block 8, the embedded nuts can be conveniently and rapidly connected with the left side plate 11 and the right side plate 7 by using the screws 4, one of the embedded nuts is installed every 300mm, the left side plate 11 and the right side plate 7 are rapidly and firmly fixed and molded, a conductor coated with an insulation layer is installed in the bus bar clamping groove 10, the insulation pressing block with the through holes 16 is clamped into the upper side of the conductor, the bolts are connected with the positioning brackets 3 fixed on the left side plate 11 and the right side plate 7 by the through holes 16, the bolts are fastened, the gaps are adjusted, the conductor is pressed and fixed into a whole, the mechanical strength is high, and the installation is convenient.
The upper insulation pressing block 1 and the lower insulation pressing block 8 are made of polyester fiber film plastics DMC with flame-retardant and fireproof performances, bus clamping grooves 10 designed on the upper insulation pressing block 1 and the lower insulation pressing block 8 separate bus groove conductors into enough large electric gaps, mica flame-retardant insulation partition boards and heat insulation blankets are arranged between the gaps, the fireproof bus groove conductors are covered by the insulating layers, air insulation layers are formed in the gaps, and insulation layers are formed between the gaps, so that the fireproof bus grooves are provided with the insulation pressing blocks and insulation covering layers, the air layers and the flame-retardant insulation partition boards form quadruple insulation protection, even if the insulation covering layers of the conductors are damaged in a fire accident, short circuits can not occur due to insulation damage of the insulating frames of the insulating pressing blocks, gaps between the conductors, the flame-retardant insulation partition boards between the conductors, the insulation grade and the fireproof bus grooves are greatly improved, safe and reliable power transmission equipment is provided for power supply of fire-fighting equipment, the insulation cushion blocks are designed with the ladder grooves, the whole weight of the fireproof bus grooves is reduced, materials are used, and the cost is reduced.
Claims (6)
1. The utility model provides a fixing device of fire-resistant bus duct conductor, includes left side board (11) and right side board (7), its characterized in that, be provided with insulating briquetting (1) and lower insulating briquetting (8) in the middle of left side board (11) and right side board (7), go up insulating briquetting (1) and pass through locating support (3), screw (4) and fastening bolt (2) and left side board (11) and right side board (7) and dismantle and be connected, lower insulating briquetting (8) pass through screw (4) and left side board (11) and right side board (7) fixed connection, female line clamping groove (10) have all been seted up on left side board (11) and right side board (7).
2. The fixing device of the refractory bus duct conductor according to claim 1, characterized in that the upper insulating press block (1) and the lower insulating press block (8) are provided with trapezoid grooves (17).
3. The fixing device of the refractory bus duct conductor according to claim 1, wherein the upper insulating pressing block (1) and the lower insulating pressing block (8) are provided with positioning grooves (14).
4. The fixing device of the refractory bus duct conductor according to claim 1, wherein through holes (16) are formed in the upper insulating pressing block (1) and the lower insulating pressing block (8), and copper nuts are embedded in two ends of the lower insulating pressing block (8).
5. The fixing device of the refractory bus duct conductor according to claim 1, wherein an adjusting gap of 5mm is arranged on the positioning support (3), the positioning support (3) is L-shaped, two fixing threaded holes (13) are formed in one side of the positioning support (3), the fixing threaded holes (13) are used for connecting the left side plate (11) and the right side plate (7), a connecting threaded hole (15) is formed in the other side of the positioning support (3), and the connecting threaded hole (15) is used for connecting the upper insulation pressing block (1).
6. The fixing device of a refractory busway conductor according to claim 1, characterized in that the busway (10) is used for clamping a phase-releasing busway (12) and a PE phase-busway (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321845094.3U CN220273269U (en) | 2023-07-13 | 2023-07-13 | Fixing device of fire-resistant bus duct conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321845094.3U CN220273269U (en) | 2023-07-13 | 2023-07-13 | Fixing device of fire-resistant bus duct conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220273269U true CN220273269U (en) | 2023-12-29 |
Family
ID=89301278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321845094.3U Active CN220273269U (en) | 2023-07-13 | 2023-07-13 | Fixing device of fire-resistant bus duct conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220273269U (en) |
-
2023
- 2023-07-13 CN CN202321845094.3U patent/CN220273269U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |