CN114696278A

CN114696278A - Split bus duct

Info

Publication number: CN114696278A
Application number: CN202210437719.6A
Authority: CN
Inventors: 陆柳蕙
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-07-01

Abstract

The utility model relates to a split bus duct, which belongs to the technical field of feed systems and comprises a bus duct body, wherein the bus duct body consists of a shell and a conductive bar arranged in the shell, the shell consists of a groove body and a cover body, the side wall of the opening of the groove body is provided with an installation hole, the cover body is welded with a screw rod used for matching the installation hole, the bottom end of the screw rod is in threaded connection with a second limit nut, a positioning guide mechanism is arranged in the groove body and comprises a clamping block and a pressing block, the split bus duct consists of the shell and the conductive bar arranged in the shell, the conductive bar realizes quick clamping and fixing through the positioning guide mechanism arranged in the shell, and the positioning guide mechanism carries out quick clamping and connecting through a positioning hole arranged in the positioning block and the groove body, adopts clamping and fixing to replace traditional bolt fixing, thereby the assembly efficiency of the bus duct is improved in a maximized way, and is convenient for disassembly, detection and maintenance.

Description

Split bus duct

Technical Field

The invention relates to a split bus duct, and belongs to the technical field of feed systems.

Background

The bus duct, a closed metal device composed of copper and aluminum bus bars, is used to distribute large power to the elements of the decentralized system, and has been increasingly used as a substitute for wire and cable in the project of indoor low-voltage power transmission main line engineering. The wire is led out from a power distribution room of buildings with more than 12 floors in Guangdong, Guangzhou in China, namely, the bus duct is used for more than 90 percent of main lines led to floors, and the bus duct is used from a 630KVA transformer to a power distribution cabinet.

Current bus duct will lead electrical drainage to support in the casing with insulating liner, the casing comprises cell body and apron, in the equipment process of reality, need with insulating liner refer to design equidistant bolt fastening in the cell body, then with leading electrical drainage bolt fastening on insulating liner, adopt the bolt fastening on the cell body with the lid again, the packaging efficiency is low, secondly, lead electrical drainage and directly install on the cell body through insulating liner, when the cell body receives the collision deformation, the impact can be directly applyed on leading electrical drainage through insulating liner, lead to the fact the electrical drainage to damage, thereby cause bigger incident, and the bus duct lacks installation fixed knot structure, the quick installation of bus duct of being not convenient for is fixed.

Disclosure of Invention

In order to solve the problems, the invention provides a split bus duct.

(II) technical scheme

In order to achieve the purpose, the invention provides a split bus duct which comprises a bus duct body, wherein the bus duct body consists of a shell and a conductive bar arranged in the shell;

the shell consists of a groove body and a cover body, a mounting hole is formed in the side wall of the opening of the groove body, a screw rod matched with the mounting hole is welded on the cover body, and the bottom end of the screw rod is connected with a second limiting nut in a threaded mode;

a positioning guide mechanism is arranged in the groove body and comprises a clamping block and a pressing block, a plurality of lower clamping grooves used for clamping the conductive bar are formed in the upper surface of the clamping block at equal intervals along the length direction, positioning blocks are arranged on two side walls of the clamping block, positioning holes matched with the positioning blocks are formed in the inner wall of the groove body, a second damping spring is welded on the upper surface of the pressing block, the top end of the second damping spring is welded on the cover body, and an upper clamping groove matched with the lower clamping groove for use is formed in the lower surface of the pressing block;

the lower clamping groove is internally provided with a transverse automatic locking mechanism, the transverse automatic locking mechanism comprises two concave seats and two clamping plates, the two concave seats are symmetrically and fixedly connected to two side walls of the lower clamping groove, the middle parts of the two clamping plates are rotatably connected into the two concave seats, and the bottom ends of the two clamping plates are provided with lugs on the opposite side walls.

The conductive bar comprises a plurality of copper sheets arranged in parallel, an insulating wrapping layer wraps the outer surface wall of each copper sheet, a fireproof wrapping layer wraps the outer surface wall of each insulating wrapping layer, the insulating wrapping layer is made of unsaturated polyester glass fiber molding compounds, and the fireproof wrapping layer is made of flame-retardant cotton cloth.

The bottom of cell body is provided with mobilizable installation mechanism, installation mechanism is including seting up the second spout in the cell body bottom, the cross-section of second spout is the structure of type of falling protruding style of calligraphy, sliding connection sliding seat in the second spout, sliding seat lower skin weld has the mount pad, the bolt hole has been seted up on the mount pad.

Two strip-shaped holes which are communicated with the second sliding groove are symmetrically formed in the two side walls of the groove body, an inserting rod is welded on the sliding seat, the other end of the inserting rod extends to the outer side through the strip-shaped holes, and a first limiting nut is in threaded connection with the outer side of the groove body on the inserting rod.

The damping mechanism is arranged in the positioning hole and comprises a buffer plate and a first damping spring, the first damping spring is welded on an inner wall bottom plate of the positioning hole, and the buffer plate is welded at the top of the first damping spring.

The rubber pad is attached to one side, opposite to the clamping plates, of the clamping plates, and anti-skid protrusions are arranged on the rubber pad and are of triangular structures or rectangular mechanisms.

The tank body and the cover body are both made of steel plates, and heat insulation coatings are sprayed on the outer walls of the tank body and the cover body.

The buffer plate is characterized in that a sliding block is welded on one side wall of the buffer plate, a first sliding groove is formed in the inner wall of the positioning hole in the vertical direction, and the sliding block is connected with the first sliding groove in a sliding mode.

(III) advantageous effects

The split bus duct provided by the invention has the beneficial effects that:

1. in the invention, the split bus duct consists of a shell and a conductive bar arranged in the shell, the conductive bar is quickly clamped and fixed by a positioning guide mechanism arranged in the shell, and the positioning guide mechanism is quickly clamped and connected with the positioning hole arranged in the groove body through the positioning block, and the clamping fixation is adopted to replace the traditional bolt fixation, thereby the assembly efficiency of the bus duct is improved maximally, the disassembly, detection and maintenance of the bus duct are convenient, secondly, the number of the dispersed parts of the split bus duct is less, only the groove body, the cover body, the positioning block and the conducting bar are arranged, the groove body and the cover body are fixed through a screw and a second limiting nut, the bolt is directly arranged on the cover body, the second limiting nut is arranged on the threaded rod, the upper pressing block is arranged on the cover plate, therefore, the loss of parts is prevented, the parts do not need to be manually taken for positioning and mounting, and the assembly efficiency is further improved;

2. according to the clamping device, the clamping block is provided with the lower clamping groove for clamping the conductive bar, the transverse automatic locking mechanism is arranged in the lower clamping groove, when the conductive bar is clamped in the lower clamping groove, the conductive bar is pressed downwards through the pressing block, so that the bottom end of the conductive bar extrudes the convex block, the top ends of the two clamping pieces are automatically driven to be close to each other, the conductive piece is transversely clamped and positioned, the pressing block is matched for pressing the conductive bar, the longitudinal fixation is realized, and the stability of clamping and fixing the conductive bar by the positioning guide mechanism is improved;

3. according to the invention, the clamping block is clamped in the positioning hole formed in the groove body through the positioning block, and the arrangement of the damping mechanism in the positioning hole is matched, so that the positioning block is suspended and clamped in the positioning hole and is matched with the elastic buffer of the first damping spring, thereby reducing the vibration of the clamping block, improving the stability of the conductive bar fixed in the shell through the clamping of the clamping block, and ensuring that no rigid contact exists between the conductive bar and the inner wall of the shell, so that the damage of the conductive bar is not easily caused when the shell is deformed due to collision of external force.

4. In the invention, the bottom of the groove body is also provided with a movable mounting mechanism for mounting and fixing the shell, and in the actual use process, the specific position of the mounting seat can be pushed and adjusted to correspond to the mounting position, and then the mounting is carried out, so that the bus duct can be conveniently and quickly mounted and fixed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a split bus duct provided in the present application;

fig. 2 is a schematic view of a splitting structure of a split bus duct provided in the present application;

fig. 3 is a schematic structural diagram of a groove body of a split bus duct provided in the present application;

FIG. 4 is an enlarged view of a portion of FIG. 3 of the present application;

fig. 5 is a schematic structural diagram of a cover body of a split bus duct provided in the present application;

fig. 6 is a schematic structural diagram of a conductive bar of a split bus duct provided in the present application;

fig. 7 is a schematic structural diagram of a positioning guide mechanism of a split bus duct provided in the present application;

fig. 8 is a bottom structure schematic diagram of a groove body of a split bus duct provided in the present application;

fig. 9 is a schematic structural view of a sliding seat of a split bus duct provided in the present application;

fig. 10 is a schematic cross-sectional view of a positioning block of a split bus duct provided in the present application.

1. The bus duct body; 2. a housing; 21. a trough body; 211. mounting holes; 212. positioning holes; 213. a buffer plate; 2131. a slider; 2132. a first chute; 214. a first damping spring; 215. a second chute; 216. A sliding seat; 217. strip-shaped holes; 218. a plug-in rod; 219. a first limit nut; 2191. a mounting seat; 2192. bolt holes; 22. a cover body; 221. a screw; 222. a second limit nut; 3. a conductive bar; 31. A copper sheet; 32. an insulating wrapping layer; 33. a fire-proof wrapping layer; 4. a positioning guide mechanism; 41. a clamping block; 42. A lower clamping groove; 43. positioning blocks; 44. pressing blocks; 45. a second damping spring; 46. an upper clamping groove; 47. A transverse automatic locking mechanism; 471. a concave seat; 472. a clamping plate; 4721. a rubber pad; 473. and (4) a bump.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in connection with the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1, fig. 2 and fig. 5, a split type bus duct, including bus duct body 1, bus duct body 1 comprises casing 2 and the conducting bar 3 of setting in casing 2, casing 2 comprises cell body 21 and lid 22, mounting hole 211 has been seted up on the lateral wall of cell body 21 opening part, the welding has screw rod 221 that cooperation mounting hole 211 used on the lid 22, and screw rod 221's bottom threaded connection has second limit nut 222, specifically, when lid 22 and cell body 21 equipment, with the top of lid 22 joint at cell body 21, make the bottom of screw rod 221 run through mounting hole 211 and extend to the outside, it can to tighten second limit nut 222 on the screw rod 221.

Referring to fig. 2, 3, 4, 5, and 7, a positioning guide mechanism 4 is disposed in the groove body 21, the positioning guide mechanism 4 includes a clamping block 41 and a pressing block 44, a plurality of lower clamping grooves 42 for clamping the conductive bar 3 are disposed on the upper surface of the clamping block 41 at equal intervals along the length direction, positioning blocks 43 are disposed on the two side walls of the clamping block 41, positioning holes 212 used in cooperation with the positioning blocks 43 are disposed on the inner wall of the groove body 21, second damping springs 45 are welded on the upper surface of the pressing block 44, the top ends of the second damping springs 45 are welded on the cover body 22, upper clamping grooves 46 used in cooperation with the lower clamping grooves 42 are disposed on the lower surface of the pressing block 44, the clamping block 41 is clamped in the positioning holes 212 disposed on the inner wall of the groove body 21 through the positioning blocks 43, the conductive bar 3 is clamped in the lower clamping grooves 42 disposed on the clamping block 41, and then fixed on the groove body 21 through the cover body 22, so that the pressing block 44 disposed on the cover 22 is pressed on the top of the conductive bar 3 to limit and fix the conductive bar 3.

Referring to fig. 7 and 10, a horizontal automatic locking mechanism 47 is provided in the lower clamping groove 42, the horizontal automatic locking mechanism 47 includes two concave seats 471 and two clamping plates 472, the two concave seats 471 are symmetrically and fixedly connected to two side walls of the lower clamping groove 42, the middle portions of the two clamping plates 472 are rotatably connected to the two concave seats 471, a protrusion 473 is provided on one side wall of the two clamping plates 472 opposite to the bottom end of the two clamping plates 472, when the conductive bar 3 is pressed down by the pressing block 44, the two protrusions 473 are extruded by the bottom end of the conductive bar 3 at this time, so that the two protrusions 473 move outward, the top ends of the two clamping plates 472 are driven to approach each other, and the conductive bar 3 is transversely clamped and fixed.

Referring to fig. 1, 2 and 6, conductive bar 3 includes a plurality of copper sheet 31 that is parallel to each other, and the parcel has insulating wrapping layer 32 on the outer surface wall of copper sheet 31, and the parcel has fire prevention wrapping layer 33 on the outer surface wall of insulating wrapping layer 32, and the material of insulating wrapping layer 32 is unsaturated polyester glass fiber molding compound, and the material of fire prevention wrapping layer 33 is fire-retardant cotton, carries out insulation protection to copper sheet 31 through insulating wrapping layer 32, carries out fire prevention protection to copper sheet 31 through fire prevention wrapping layer 33.

Referring to fig. 8 and 9, a movable mounting mechanism is arranged at the bottom of the trough body 21, the mounting mechanism includes a second chute 215 arranged at the bottom of the trough body 21, the section of the second chute 215 is of an inverted convex structure, a sliding seat 216 is slidably connected in the second chute 215, a mounting seat 2191 is welded on the lower surface of the sliding seat 216, a bolt hole 2192 is formed in the mounting seat 2191, two strip-shaped holes 217 communicated with the second chute 215 are symmetrically formed in two side walls of the trough body 21, an inserting rod 218 is welded on the sliding seat 216, the other end of the inserting rod 218 extends to the outside through the strip-shaped hole 217, a first limit nut 219 is screwed on the inserting rod 218 and positioned at the outside of the trough body 21, the bus duct is mounted and fixed through the mounting seat 2191, the first limit nut 219 is firstly unscrewed, the sliding seat 216 is pushed to slide in the second chute 215 through the mounting seat 2191, the position of the mounting seat 2191 is adjusted to correspond to the mounting position, then screw up first stop nut 219, it is spacing to insert pole 218 through first stop nut 219 to the realization is spacing to sliding seat 216, then it can to install fixedly through mount pad 2191 cooperation bolt hole 2192 and fastening bolt.

Referring to fig. 3 and 4, be provided with damper in the locating hole 212, damper includes buffer board 213 and first damping spring 214, first damping spring 214 welds on the inner wall bottom plate of locating hole 212, buffer board 213 welds at the top of first damping spring 214, setting through damper, when making joint piece 41 pass through locating piece 43 joint in locating hole 212, locating piece 43 hangs the card and in locating hole 212, the elastic buffer of the first damping spring 214 of cooperation, thereby can reduce the vibrations of joint piece 41, improve and lead electrically conductive row 3 and fix the stability in casing 2 through joint piece 41 joint, and make and do not have rigid contact between electrically conductive row 3 and the casing 2 inner wall, make casing 2 difficult direct cause electrically conductive row 3 to damage when receiving external force collision deformation.

Referring to fig. 10, rubber pads 4721 are attached to the opposite surfaces of the two clamping plates 472, anti-slip protrusions are arranged on the rubber pads 4721 and are triangular structures or rectangular mechanisms, and the arrangement of the rubber pads 4721 improves the stability of clamping and fixing the conductive bar 3 through the two clamping plates 472 and prevents the clamping plates 472 from clamping and damaging the conductive bar 3.

Referring to fig. 1 and 2, the tank body 21 and the cover body 22 are both made of steel plates, and heat insulation coatings are sprayed on the outer walls of the tank body 21 and the cover body 22, so that the heat insulation performance of the tank body 21 and the cover body 22 is improved, and the fireproof effect of the tank body is improved.

Referring to fig. 3 and 4, a sliding block 2131 is welded on one side wall of the buffer board 213, and a first sliding groove 2132 is formed in the inner wall of the positioning hole 212 in the vertical direction, wherein the sliding block 2131 is slidably connected with the first sliding groove 2132, and the arrangement of the first sliding groove 2132 and the sliding block 2131 enables the buffer board 213 to be more stable and not to be inclined when being driven by the elastic deformation of the first damping spring 214 to go up and down.

Specifically, this split type bus duct is when during operation/use: clamping blocks 41 are clamped in positioning holes 212 formed in the inner wall of the groove body 21 through positioning blocks 43, the conductive bar 3 is clamped in lower clamping grooves 42 formed in the clamping blocks 41, a cover body 22 is clamped at the top of the groove body 21, the bottom end of a screw rod 221 extends to the outer side through a mounting hole 211, a second limiting nut 222 on the screw rod 221 is screwed, then the conductive bar is fixed on the groove body 21 through the cover body 22, a pressing block 44 arranged on the cover body 22 is pressed at the top of the conductive bar 3 to limit and fix the conductive bar 3, when the conductive bar 3 is pressed downwards through the pressing block 44, the bottom end of the conductive bar 3 extrudes two bumps 473 to move outwards the two bumps 473, the top ends of two clamping plates 472 are driven to approach each other, the conductive bar 3 is transversely clamped and fixed, the first limiting nut 219 is unscrewed, a sliding seat 216 is pushed to slide in the second sliding groove 215 through a mounting seat 2191, the position of having adjusted mount pad 2191 is corresponding with the position of installation, then screws up first stop nut 219, and it is spacing to plug rod 218 through first stop nut 219 to the realization is spacing to sliding seat 216, then installs fixedly through mount pad 2191 cooperation bolt hole 2192 and fastening bolt.

The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.

Claims

1. A split bus duct comprises a bus duct body (1), and is characterized in that the bus duct body (1) consists of a shell (2) and a conductive bar (3) arranged in the shell (2);

the shell (2) is composed of a groove body (21) and a cover body (22), a mounting hole (211) is formed in the side wall of an opening of the groove body (21), a screw rod (221) matched with the mounting hole (211) in use is welded on the cover body (22), and the bottom end of the screw rod (221) is connected with a second limiting nut (222) in a threaded mode;

a positioning guide mechanism (4) is arranged in the groove body (21), the positioning guide mechanism (4) comprises a clamping block (41) and a pressing block (44), a plurality of lower clamping grooves (42) used for clamping the conductive bar (3) are formed in the upper surface of the clamping block (41) at equal intervals along the length direction, positioning blocks (43) are arranged on two side walls of the clamping block (41), positioning holes (212) matched with the positioning blocks (43) are formed in the inner wall of the groove body (21), a second damping spring (45) is welded on the upper surface of the pressing block (44), the top end of the second damping spring (45) is welded on the cover body (22), and an upper clamping groove (46) matched with the lower clamping groove (42) is formed in the lower surface of the pressing block (44);

the automatic clamping device is characterized in that a transverse automatic locking mechanism (47) is arranged in the lower clamping groove (42), the transverse automatic locking mechanism (47) comprises two concave seats (471) and two clamping plates (472), the two concave seats (471) are symmetrically and fixedly connected to two side walls of the lower clamping groove (42), the middle parts of the two clamping plates (472) are rotatably connected into the two concave seats (471), and a convex block (473) is arranged on one side wall, opposite to the bottom end of each clamping plate (472).

2. The split type bus duct according to claim 1, wherein the conductive bar (3) comprises a plurality of copper sheets (31) which are arranged in parallel, an insulating wrapping layer (32) is wrapped on the outer surface wall of each copper sheet (31), a fireproof wrapping layer (33) is wrapped on the outer surface wall of each insulating wrapping layer (32), the insulating wrapping layer (32) is made of unsaturated polyester glass fiber molding compound, and the fireproof wrapping layer (33) is made of flame-retardant cotton cloth.

3. The split type bus duct according to claim 1, wherein a movable installation mechanism is arranged at the bottom of the duct body (21), the installation mechanism comprises a second sliding groove (215) arranged at the bottom of the duct body (21), the cross section of the second sliding groove (215) is of an inverted convex structure, a sliding seat (216) is connected in the second sliding groove (215) in a sliding manner, an installation seat (2191) is welded on the lower surface of the sliding seat (216), and a bolt hole (2192) is formed in the installation seat (2191).

4. The split type bus duct according to claim 3, wherein two strip-shaped holes (217) communicated with the second sliding groove (215) are symmetrically formed in two side walls of the duct body (21), an insertion rod (218) is welded to the sliding seat (216), the other end of the insertion rod (218) extends to the outside through the strip-shaped holes (217), and a first limit nut (219) is in threaded connection with the outside of the duct body (21) on the insertion rod (218).

5. The split type bus duct according to claim 1, wherein a damping mechanism is arranged in the positioning hole (212), the damping mechanism comprises a buffer plate (213) and a first damping spring (214), the first damping spring (214) is welded on a bottom plate of an inner wall of the positioning hole (212), and the buffer plate (213) is welded on the top of the first damping spring (214).

6. The split bus duct of claim 1, wherein rubber pads (4721) are attached to opposite surfaces of the two clamping plates (472), and anti-skid protrusions are arranged on the rubber pads 4721 and are triangular structures or rectangular mechanisms.

7. The split bus duct according to claim 1, wherein the slot body (21) and the cover body (22) are both made of steel plates, and heat insulation coatings are sprayed on the outer walls of the slot body (21) and the cover body (22).

8. The split type bus duct according to claim 5, wherein a sliding block (2131) is welded on one side wall of the buffer plate (213), a first sliding groove (2132) is formed in the inner wall of the positioning hole (212) along the vertical direction, and the sliding block (2131) is connected with the first sliding groove (2132) in a sliding manner.