CN213959673U

CN213959673U - Joint design of fire prevention of bus duct

Info

Publication number: CN213959673U
Application number: CN202022921546.4U
Authority: CN
Inventors: 张旭兵
Original assignee: Jiangsu Xusheng Electrical Equipment Co ltd
Current assignee: Jiangsu Xusheng Electrical Equipment Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-08-13
Anticipated expiration: 2030-12-08

Abstract

The utility model provides a joint design of fire prevention of bus duct, including two bus bar main parts, two inside all front and back runs through and set up the conductor, the T type flame retardant rubber board is all fixed to the lower extreme in two bus bar main parts, four first U type frames of T type flame retardant rubber board outer end rear portions installation, first U type frame front end installation second U type frame, first U type frame front end lower part rotates with second U type frame to be connected, two spacing grooves are seted up to second U type frame rear end upper portion bilateral symmetry, two second L type gag lever posts are all fixed to the slider lower extreme, two second L type gag lever posts all are located third square inslot portion, two equal fixing spring of second L type gag lever post lower extreme, four equal laminating stoppers of baffle looks remote site, four stoppers respectively with corresponding bus bar main part fixed connection, compare with prior art, the utility model discloses following beneficial effect has: through the joint between two U type frames, can realize the fixed labour saving and time saving between the bus duct.

Description

Joint design of fire prevention of bus duct

Technical Field

The utility model relates to a joint design of fire prevention of bus duct belongs to bus duct technical field.

Background

With the rapid development of cities, the electrical load of buildings is increased along with the increase of high-rise buildings, the traditional power transmission equipment can not adapt to the market demand slowly, the bus duct gradually replaces the electric wire and cable in the market, and in recent years, the bus duct becomes the mainstream in the power transmission trunk line.

The Chinese patent publication numbers are: CN 208190188U's a bus duct with fire prevention function, when the installation, need pass through the cooperation between bolt, the nut, just can fix between the bus duct, dismantle and the installation need consume more time, overhaul time-consuming and laboursome.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a joint design of fire prevention of bus duct to when the installation that proposes in solving above-mentioned background art, need pass through the cooperation between bolt, the nut, just can carry out the problem of fixing between the bus duct, the utility model discloses a joint between two U type frames can realize fixing labour saving and time saving to between the bus duct.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a fireproof joint structure of a bus duct comprises two bus main bodies, conductors are arranged in the two bus main bodies in a front-back penetrating mode, T-shaped flame-retardant rubber plates are fixed to the upper ends and the lower ends of the two bus main bodies, a first U-shaped frame is installed on the rear portion of the outer end of each of the four T-shaped flame-retardant rubber plates, a second U-shaped frame is installed on the front end of the first U-shaped frame, the lower portion of the front end of the first U-shaped frame is rotatably connected with the second U-shaped frame, two limiting grooves are symmetrically formed in the upper portion of the rear end of the second U-shaped frame in a left-right mode, two third square grooves are symmetrically formed in the upper portion of the front end of the first U-shaped frame in a left-right mode, circular grooves are formed in the left portion and the right portion of the upper end of the first U-shaped frame, the two circular grooves are respectively communicated with the two third square grooves, sliding blocks are installed in the two circular grooves, second L-shaped limiting rods are fixed to the lower ends of the two sliding blocks, and the second L-shaped limiting rods are located in the third square grooves, two second L type gag lever post front portion extends to two spacing inslots respectively and with the spacing groove joint, two the equal fixed spring of second L type gag lever post lower extreme, two the spring lower extreme all laminates with the third square groove, the equal fixed stop in position, four about the inside preceding back wall of first U type frame and second U type frame the baffle looks remote site all laminates the stopper, four the stopper respectively with the generating line main part fixed connection that corresponds.

Further, T type groove, two are all seted up to first U type frame upper end left and right sides portion T type groove is located two circular recess rear sides respectively, two equal sliding connection slide, two of T type inslot portion first L type gag lever post, two are all fixed to the slide upper end circular through-hole, two is all seted up to the slider rear end, two first L type gag lever post extends to inside and with circular through-hole sliding connection, two respectively two circular through-hole first L type gag lever post all is located first U type frame upside.

And furthermore, two second square grooves are formed in the upper and lower parts of the opposite ends of the baffle, four second square grooves are respectively clamped with two insulating rubber plates, the back ends of the insulating rubber plates are respectively attached to two T-shaped flame-retardant rubber plates, and the opposite ends of the insulating rubber plates are respectively attached to the conductors.

Furthermore, at least two first square grooves are formed in the rear end of the first U-shaped frame and the front end of the second U-shaped frame at equal intervals, and at least four filter screens are fixed on the inner walls of the first square grooves.

And furthermore, fireproof coatings are paved on the inner walls of the first U-shaped frame and the second U-shaped frame, and the outer ends of the limiting blocks and the baffle plates are fixed with flame-retardant rubber sleeves.

Furthermore, sealing washers are fixed to the top end and the bottom end of the inner portions of the first U-shaped frame and the second U-shaped frame, and the four sealing washers are attached to the corresponding T-shaped flame-retardant rubber plates respectively.

The utility model has the advantages that: when the device breaks down and needs to maintain the bus main body and the conductor, the first L-shaped limiting rod is pulled backwards until the first L-shaped limiting rod is separated from the sliding block, then the sliding block is pressed downwards, so that the sliding block drives the second L-shaped limiting rod to press downwards, the spring is driven to press downwards and contract, the front part of the second L-shaped limiting rod is separated from the limiting groove, the first U-shaped frame and the second U-shaped frame are rotated, the first U-shaped frame and the second U-shaped frame are opened, the bus main body and the conductor needing to be maintained are taken down for maintenance, the bus main body and the conductor which are maintained are put between the first U-shaped frame and the second U-shaped frame again, two limiting blocks at the left end and the right end of the bus main body are positioned at the inner side of the baffle, the first U-shaped frame and the second U-shaped frame are rotated, the second L-shaped limiting rod is clamped into the limiting groove again, the first L-shaped limiting rod is slid into the circular through hole, and the maintenance of the bus main body and the conductor is completed, time and labor are saved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a fireproof joint structure of a bus duct of the present invention;

fig. 2 is a side sectional view of a fireproof joint structure of a bus duct of the present invention;

in the figure: the novel bus bar comprises a 1-T-shaped flame-retardant rubber plate, a 2-first U-shaped frame, a 3-second U-shaped frame, a 4-conductor, a 5-bus main body, a 6-baffle, a 7-first square groove, an 8-sliding block, a 9-circular groove, a 10-second square groove, a 11-limiting block, a 12-insulating rubber plate, a 13-limiting groove, a 14-third square groove, a 15-spring, a 16-circular through hole, a 17-T-shaped groove, a 18-sliding plate, a 19-first L-shaped limiting rod and a 20-second L-shaped limiting rod.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a fireproof joint structure of a bus duct comprises two bus main bodies 5, conductors 4 are arranged in the two bus main bodies 5 in a front-back penetrating mode, T-shaped flame-retardant rubber plates 1 are fixed at the upper ends and the lower ends of the two bus main bodies 5, a first U-shaped frame 2 is arranged at the rear part of the outer ends of the four T-shaped flame-retardant rubber plates 1, a second U-shaped frame 3 is arranged at the front end of the first U-shaped frame 2, the lower part of the front end of the first U-shaped frame 2 is rotatably connected with the second U-shaped frame 3, two limiting grooves 13 are symmetrically arranged at the upper part of the rear end of the second U-shaped frame 3 in a left-right mode, two third square grooves 14 are symmetrically arranged at the upper part of the front end of the first U-shaped frame 2, circular grooves 9 are arranged at the left and right parts of the upper end of the first U-shaped frame 2, the two circular grooves 9 are respectively communicated with the two third square grooves 14, sliders 8 are arranged in the two circular grooves 9, second L-shaped limiting rods 20 are fixed at the lower ends of the two sliders 8, and the two second L-shaped limiting rods 20 are positioned in the third square grooves 14, two second L type gag lever post 20 front portions extend to two inside spacing grooves 13 respectively and with spacing groove 13 joint, two equal fixed spring 15 of second L type gag lever post 20 lower extreme, two 15 lower extremes of spring all laminate with third square groove 14, the equal fixed stop 6 in back wall left and right parts position before first U type frame 2 and the inside of second U type frame 3, stopper 11 is all laminated to four 6 looks remote terminals of baffle, four stopper 11 respectively with corresponding generating line main part 5 fixed connection, rotate first U type frame 2 and second U type frame 3, make baffle 6 on first U type frame 2 and the second U type frame 3 respectively with the stopper 11 contact at generating line main part 5 both ends, again with second L type gag lever post 20 card inside spacing groove 13, realize two generating line main part 5 spacing, and then realize the fixing between two adjacent conductors 4.

T type groove 17 is all seted up to portion about 2 upper ends of first U type frame, two T type grooves 17 are located two circular grooves 9 rear sides respectively, two inside equal sliding connection slides 18 in T type groove 17, two slide 18 upper ends are all fixed first L type gag lever post 19, circular through-hole 16 is all seted up to two 8 rear ends of slider, two first L type gag lever posts 19 extend to respectively inside and with 16 sliding connection of circular through-hole of two circular through-holes 16, two first L type gag lever posts 19 all are located 2 upsides of first U type frame, it is inside 16 to go into circular through-hole through first L type gag lever post 19 card, thereby realize spacing to slider 8.

The square groove 10 of second is all seted up to the lower part on 6 opposite ends of two baffles, and two insulating rubber boards 12 of joint respectively in the square groove 10 of four second inside, and two insulating rubber boards 12 carry on the back mutually the end respectively with two laminating of T type flame retardant rubber board 1, and two insulating rubber board 12 opposite ends all laminate with conductor 4, realize the protection to conductor 4.

At least two first square grooves 7 are formed in the rear end of the first U-shaped frame 2 and the front end of the second U-shaped frame 3 at equal intervals, filter screens are fixed on the inner walls of the at least four first square grooves 7, the heat dissipation effect of the device is improved, meanwhile, the first square grooves 7 are arranged to be inclined, the positions of one sides of the centers of the first U-shaped frame 2 and the second U-shaped frame 3 are higher, and dust is effectively prevented from entering the device.

Fireproof paint is all laid to the inner wall of first U type frame 2 and second U type frame 3, and the fire-retardant rubber cover is all fixed to four

stopper

11 and 6 outer ends of baffle, realizes the fire prevention effect.

Sealing washers are fixed to the top end and the bottom end of the first U-shaped frame 2 and the second U-shaped frame 3, the four sealing washers are attached to the corresponding T-shaped flame-retardant rubber plate 1 respectively, and the dustproof effect of the device is further improved.

The specific implementation mode is as follows: when the device has a fault and needs to maintain the bus main body 5 and the conductor 4, the first L-shaped limiting rod 19 is pulled backwards until the first L-shaped limiting rod 19 is separated from the sliding block 8, then the sliding block 8 is pressed downwards, the sliding block 8 drives the second L-shaped limiting rod 20 to be pressed downwards, so that the spring 15 is driven to be pressed downwards and contracted, the front part of the second L-shaped limiting rod 20 is separated from the limiting groove 13, then the first U-shaped frame 2 and the second U-shaped frame 3 are rotated, the first U-shaped frame 2 and the second U-shaped frame 3 are opened, the bus main body 5 and the conductor 4 needing to be maintained are taken down for maintenance, then the bus main body 5 and the conductor 4 which are maintained are put again between the first U-shaped frame 2 and the second U-shaped frame 3, so that the two limiting blocks 11 at the left end and the right end of the bus main body 5 are positioned at the inner side of the baffle 6, then the first U-shaped frame 2 and the second U-shaped frame 3 are rotated, so that the second L-shaped limiting rod 20 is clamped into the limiting groove 13 again, and then the first L-shaped limiting rod 19 slides into the circular through hole 16 to complete the maintenance of the bus main body 5 and the conductor 4, thereby saving time and labor.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a joint design of fire prevention of bus duct which characterized in that: the novel bus bar comprises two bus bar bodies (5), conductors (4) penetrate through the interior of the two bus bar bodies (5) from front to back, T-shaped flame-retardant rubber plates (1) are fixed at the upper ends and the lower ends of the two bus bar bodies (5), a first U-shaped frame (2) is installed at the rear part of the outer end of each of the four T-shaped flame-retardant rubber plates (1), a second U-shaped frame (3) is installed at the front end of the first U-shaped frame (2), the lower part of the front end of the first U-shaped frame (2) is rotatably connected with the second U-shaped frame (3), two limiting grooves (13) are symmetrically formed in the upper part of the rear end of the second U-shaped frame (3) from left to right, two third square grooves (14) are symmetrically formed in the upper part of the front end of the first U-shaped frame (2), circular grooves (9) are formed in the left and right part of the upper end of the first U-shaped frame (2), and the two circular grooves (9) are respectively communicated with the two third square grooves (14), two slider (8), two are all installed to circular recess (9) inside second L type gag lever post (20), two are all fixed to slider (8) lower extreme second L type gag lever post (20) are all located inside third square groove (14), two second L type gag lever post (20) front portion extends to inside and with spacing groove (13) joint, two of two spacing groove (13) inside respectively spring (15), two are all fixed to second L type gag lever post (20) lower extreme spring (15) lower extreme all laminates with third square groove (14), first U type frame (2) and second U type frame (3) inside preceding back wall left and right parts position is equal fixed stop (6), four baffle (6) looks remote site all laminates stopper (11), four stopper (11) respectively with corresponding bus main body (5) fixed connection.

2. The fire-proof joint structure of bus duct of claim 1, characterized in that: t type groove (17), two are all seted up to the portion about first U type frame (2) upper end T type groove (17) are located two circular recess (9) rear sides respectively, two T type groove (17) inside equal sliding connection slide (18), two slide (18) upper end is first L type gag lever post (19), two circular through-hole (16), two are all seted up to slider (8) rear end first L type gag lever post (19) extend to two circular through-holes (16) respectively inside and with circular through-hole (16) sliding connection, two first L type gag lever post (19) all are located first U type frame (2) upside.

3. The fire-proof joint structure of bus duct of claim 1, characterized in that: two the lower part all sets up second square groove (10), four on baffle (6) opposite end two insulating rubber boards (12) of joint respectively are inside in the square groove of second (10), two insulating rubber board (12) back of the body end of the back of the body respectively with two T type flame retardant rubber board (1) laminates, two insulating rubber board (12) looks remote site all laminates with conductor (4).

4. The fire-proof joint structure of bus duct of claim 1, characterized in that: at least two first square grooves (7) are arranged at equal distance between the rear end of the first U-shaped frame (2) and the front end of the second U-shaped frame (3), and at least four filter screens are fixed on the inner walls of the first square grooves (7).

5. The fire-proof joint structure of bus duct of claim 1, characterized in that: fireproof paint is all laid to the inner wall of first U type frame (2) and second U type frame (3), four the fire-retardant rubber cover is all fixed to stopper (11) and baffle (6) outer end.

6. The fire-proof joint structure of bus duct of claim 1, characterized in that: sealing washers are fixed to the top end and the bottom end inside the first U-shaped frame (2) and the second U-shaped frame (3), and the four sealing washers are attached to the corresponding T-shaped flame-retardant rubber plates (1) respectively.