CN212908531U

CN212908531U - Vertical bus supporting structure of low-voltage power distribution cabinet

Info

Publication number: CN212908531U
Application number: CN202021814470.9U
Authority: CN
Inventors: 黄月程
Original assignee: Guangdong Guangyou Electric Co ltd
Current assignee: Guangdong Guangyou Electric Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-04-06
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses a vertical bus supporting structure of a low-voltage power distribution cabinet, which comprises a bus base, a front bus clamp and a rear bus clamp which can be spliced with each other; the front bus-bar clamp is provided with a plurality of first mounting grooves, each first mounting groove is internally provided with a first chuck, and the first chucks are connected with the front bus-bar clamp in a sliding manner; a plurality of second mounting grooves corresponding to the first mounting grooves are formed in the rear bus clamp; and a second chuck is arranged in each second mounting groove and is in sliding connection with the rear bus clamp. The utility model provides a perpendicular generating line bearing structure can be according to the maximum free distance between the width regulation first chuck of perpendicular generating line and the second chuck, makes the perpendicular generating line that first chuck and second chuck can carry different widths realize horizontal positioning to improve perpendicular generating line bearing structure's suitability.

Description

Vertical bus supporting structure of low-voltage power distribution cabinet

Technical Field

The utility model relates to a low pressure power transmission and distribution field, in particular to low-voltage distribution cabinet's perpendicular generating line bearing structure.

Background

The low-voltage power distribution cabinet generally adopts the copper bar as the bus, and its current density is big, and the resistance is little, and skin effect is little, need not fall the appearance and use. The copper bar is fixedly installed in the power distribution cabinet through the supporting component, the existing supporting component is generally two plastic parts which are separated from each other, the plastic parts are fixed on the low-voltage power distribution cabinet, one plastic part is provided with a first notch, the other plastic part is provided with a second notch matched with the first notch, when the two plastics are mutually spliced, the first notch and the second notch are combined to form a socket matched with the shape of the bus, the bus can be inserted into the socket, and the bus is fixed; however, the socket of the supporting component is fixed in size and can only be used for fixing a vertical bus with a specific width, and when the width of the copper bar is greater than the length of the socket, the two plastic parts cannot be spliced; when the width of copper bar is less than the length of socket, two plastic parts then can't press from both sides tight copper bar.

It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art, an object of the present invention is to provide a vertical bus bar supporting structure of a low voltage distribution cabinet, which aims to clamp and support vertical bus bars with different widths.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a vertical bus supporting structure of a low-voltage power distribution cabinet comprises a bus base, a front bus clamp and a rear bus clamp which can be spliced with each other; the front bus bar clamp is provided with a plurality of first mounting grooves, each first mounting groove is internally provided with a first chuck, and the first chucks are connected with the front bus bar clamp in a sliding manner; a plurality of second mounting grooves corresponding to the first mounting grooves are formed in the rear bus clamp; a second chuck is arranged in each second mounting groove and is in sliding connection with the rear bus clamp; each first mounting groove and the corresponding second mounting groove are combined to form a slot for a vertical bus to pass through; the first chuck and the second chuck can clamp the vertical bus together; the bus bottom support is used for supporting the bottom of the vertical bus.

Adjusting screws corresponding to the number of the second mounting grooves are arranged on the rear bus clamp; the adjusting screw is used for driving the second chuck to move so as to adjust the distance between the first chuck and the second chuck.

The first chuck comprises a first clamping plate, two first side plates and a first separating bulge, wherein the two first side plates are arranged on two sides of the first clamping plate respectively, and the first separating bulge is arranged in the middle of the first clamping plate.

A first guide groove is formed in the end face, facing the first side plate, of the front bus bar clamp, and the first guide groove extends in the width direction of the front bus bar clamp; the outer side of the first side plate is connected with the first guide groove in a sliding mode through a first sliding strip.

The second chuck comprises a second clamping plate, two second side plates respectively arranged on two sides of the second clamping plate, and a second separating bulge arranged in the middle of the second clamping plate.

And a second guide groove is formed in the end face, facing the second side plate, of the rear bus clamp, the outer side of the second side plate is connected with the second guide groove in a sliding mode through a second sliding strip, and the second guide groove extends in the width direction of the rear bus clamp.

The end face, facing the rear bus clamp, of the front bus clamp is provided with a threaded hole, the rear bus clamp is provided with a stepped through hole corresponding to the threaded hole, and the stepped through hole of each rear bus clamp penetrates through a screw and is screwed into the corresponding threaded hole.

The bus bottom support is vertically upward and has the same structure as the front bus clamp; the bus bottom support is provided with a bearing head, and the bearing head and the first chuck are identical in structure.

The front bus clamp is fixed on the cabinet body of the low-voltage power distribution cabinet through a support plate and is in screw connection with the support plate.

The bus bottom support is also fixed on the cabinet body of the low-voltage power distribution cabinet through the support plate, and the bus bottom support is fixedly connected with the support plate through the L-shaped plate.

Has the advantages that:

compared with the prior art, the utility model provides a low-voltage distribution cabinet's perpendicular generating line bearing structure carries out effectual support through the generating line collet to the bottom of perpendicular generating line, selects the second chuck of suitable length according to the width of perpendicular generating line, makes first chuck and second chuck can clip the perpendicular generating line realization horizontal location of different widths to improve perpendicular generating line bearing structure's suitability.

Drawings

Fig. 1 is a perspective view of the vertical bus bar supporting structure provided by the present invention.

Fig. 2 is the utility model provides an assembly drawing of preceding busbar clamp and back busbar clamp among the perpendicular busbar bearing structure.

Fig. 3 is a perspective view of the front bus bar clamp in the vertical bus bar supporting structure provided by the utility model.

Fig. 4 is a perspective view of the rear busbar clamp in the vertical busbar supporting structure provided by the utility model.

Fig. 5 is a perspective view of the first clamp in the vertical busbar supporting structure provided by the utility model.

Description of the main element symbols: 1-bus base support, 2-front bus clamp, 3-rear bus clamp, 21-first mounting groove, 31-second mounting groove, 51-first chuck, 52-second chuck, 6-slot, 71-adjusting screw, 72-screw hole, 8-support plate, 81-mounting hole, 82-L-shaped plate, 511-first clamp plate and 512-first side plate, 513-a first separating protrusion, 514-a first slide bar, 22-a first guide groove, 23-a threaded hole, 33-a stepped through hole, 32-a screw rod, 11-a bearing head, 821-a horizontal plate, 822-a vertical plate, 823-a kidney-shaped hole, 9-a vertical bus, 521-a second clamping plate, 522-a second side plate, 523-a second separating protrusion and 34-a second guide groove.

Detailed Description

The utility model provides a low-voltage distribution cabinet's perpendicular generating line bearing structure, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following refers to the drawing and the embodiment is lifted the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.

Referring to fig. 1-5, the utility model provides a vertical bus support structure of a low-voltage distribution cabinet, which comprises a bus base 1, a front bus clamp 2 and a rear bus clamp 3 that can be spliced with each other; a plurality of first mounting grooves 21 are formed in the front bus bar clamp 2, a first chuck 51 is mounted in each first mounting groove 21, and the first chucks 51 are slidably connected with the front bus bar clamp 2; a plurality of second mounting grooves 31 corresponding to the first mounting grooves 21 are formed in the rear bus clamp 3; a second clamping head 52 is arranged in each second mounting groove 31, and the second clamping head 52 is connected with the rear bus clamp 3 in a sliding manner; each first mounting groove 21 and the corresponding second mounting groove 31 are combined to form a slot 6 for the vertical bus bar 9 to pass through; the first chuck 51 and the second chuck 52 can clamp the vertical bus together; the busbar support 1 is used for supporting the bottom of a vertical busbar 9.

It will be appreciated that, since the second jaw 52 is of a separate design from the rear busbar clamp 3, the maximum travel distance between the first jaw 51 and the second jaw 52, i.e. the effective distance to clamp the vertical busbar 9, is adjusted.

In one embodiment, the second chuck 52 with a suitable length can be selected according to the width of the vertical bus 9, so that the first chuck 51 and the second chuck 52 can clamp the vertical bus with different widths to position the vertical bus, thereby improving the adaptability of the vertical bus support structure.

In another embodiment, referring to fig. 2, the rear bus bar 3 is provided with adjusting screws 71 (preferably, hand screws) corresponding to the number of the second mounting grooves 31; the rear end face of the rear bus clamp 3 is provided with a screw hole 72 into which an adjusting screw 71 is screwed, the adjusting screw 71 is screwed into the screw hole 72 to drive the second chuck 52 to move so as to adjust the maximum distance between the first chuck 51 and the second chuck 52, and the maximum distance is matched with the width of the vertical bus, so that the first chuck 51 and the second chuck 52 can clamp the vertical bus with different widths to position the vertical bus 9, and the adaptability of the supporting structure of the vertical bus 9 is improved.

During assembly, referring to fig. 1, the front bus-bar clamp 2 is fixed on a cabinet body of a low-voltage power distribution cabinet in advance through a support plate 8, the support plate 8 is provided with a plurality of rows of mounting holes 81 arranged at equal intervals, and the front bus-bar clamp 2 is connected with the support plate 8 by screws; and the first chuck 51 is installed in the first installation groove 21 of the front bus-bar clamp 2, so that the first chuck 51 abuts against the bottom wall of the front bus-bar clamp 2, besides, the bus-bar support 1 is also fixed on the cabinet body of the low-voltage distribution cabinet through a support plate 8, and the bus-bar support 1 is fixedly connected with the support plate 8 through an L-shaped plate 82; then the vertical bus bar 9 passes through the first mounting groove 21, and the first clamping head 51 is pressed against the bottom wall of the front bus bar clamp 2; meanwhile, the bottom of the vertical bus is pressed on the bus base support 1; then the second clamping head 52 is installed in the second installation groove 31 of the rear bus bar clamp 3, and finally the front bus bar clamp 2 and the rear bus bar clamp 3 are tightly spliced into a whole, so that the first clamping head 51 and the second clamping head 52 firmly clamp the vertical bus bar 9 to realize horizontal positioning.

Specifically, referring to fig. 5, the first clamping head 51 includes a first clamping plate 511, two first side plates 512 respectively disposed at two sides of the first clamping plate 511, and a first separating protrusion 513 disposed at a middle portion of the first clamping plate 511. The first clamping plate 511 and the two first side plates 512 are integrally formed to form a shape like Jiong; through the arrangement, two buses can be installed in each slot 6, the structure is compact, and the design is reasonable; in addition, the first separating protrusion 513 can separate and position two bus bars, and can increase the creepage distance and ensure the electrical reliability.

Further, referring to fig. 3, a first guiding groove 22 is formed in an end surface of the front bus bar clamp 2 facing the first side plate 512, and the first guiding groove 22 extends along a width direction of the front bus bar clamp 2; the outer side of the first side plate 512 is slidably connected to the first guide groove 22 through a first sliding bar 514. With this arrangement, when the first chuck 51 is mounted on the front bus bar clamp 2, the first chuck 51 can only move in the width direction of the front bus bar clamp 2 due to the cooperation of the first slide bar 514 and the first guide groove 22; cannot be disengaged from the front bus-bar clamp 2.

Specifically, referring to fig. 2, the second clamping head 52 includes a second clamping plate 521, two second side plates 522 respectively disposed on two sides of the second clamping plate 521, and a second separating protrusion 523 disposed in the middle of the second clamping plate 521. The first chuck 51 and the second chuck 52 have the same structure, and are not described in detail herein.

Further, referring to fig. 4, a second guiding groove is formed in an end surface of the rear bus bar 3 facing the second side plate, the outer side of the second side plate 522 of 34 is slidably connected to the second guiding groove 34 through a second sliding bar (not visible in the figure), and the second guiding groove 34 extends along the width direction of the rear bus bar 3. With this arrangement, when the second chuck 52 is mounted on the front bus bar clamp 2, the second chuck 52 can only move in the width direction of the front bus bar clamp 2 due to the cooperation of the second slide bar and the second guide groove 34; the rear bus bar 3 cannot be disengaged.

Preferably, referring to fig. 3, a threaded hole 23 is formed in an end surface of the front bus bar clamp 2 facing the rear bus bar clamp 3, a stepped through hole 33 corresponding to the threaded hole 23 is formed in the rear bus bar clamp 3, the stepped through hole 33 of each rear bus bar clamp 3 respectively penetrates through one screw rod 32 and is respectively screwed into the corresponding threaded hole 23, the connection between the front bus bar clamp 2 and the rear bus bar clamp 3 is realized after the screw rods 32 are screwed, and the screw rods 32 preferably adopt hexagon socket head bolts.

Preferably, referring to fig. 1, the busbar support 1 is vertically upward and has the same structure as the front busbar clamp 2; the bus bar bottom support 1 is provided with a bearing head 11, and the bearing head 11 and the first chuck 51 have the same structure. It can be understood that the bus bar base support 1, the front bus bar clamp 2, the supporting head 11 and the first chuck 51 are only different in purpose, but the structure is the same, and the universality is strong; can produce bus collet 1 and preceding bus-bar clamp 2 injection moulding through one set of mould, reduce the manufacturing cost that bus collet 1 and preceding bus-bar clamp 2.

Preferably, as shown in fig. 1, the L-shaped plate 82 is composed of a horizontal plate 821 and a vertical plate 822, a waist-shaped hole 823 is formed in the horizontal plate 821, the waist-shaped hole 823 extends in the width direction of the horizontal plate 821, and the bus bar bottom support 1 is fixed on the horizontal plate 821 through a screw; the vertical plate 822 is in screw connection with the support plate 8. The position of the bus bar bottom support 1 can be adjusted through the waist-shaped hole 823, and the bus bar is better supported.

It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.

Claims

1. A vertical bus supporting structure of a low-voltage power distribution cabinet is characterized by comprising a bus base support, a front bus clamp and a rear bus clamp which can be spliced with each other; the front bus bar clamp is provided with a plurality of first mounting grooves, each first mounting groove is internally provided with a first chuck, and the first chucks are connected with the front bus bar clamp in a sliding manner; a plurality of second mounting grooves corresponding to the first mounting grooves are formed in the rear bus clamp; a second chuck is arranged in each second mounting groove and is in sliding connection with the rear bus clamp; each first mounting groove and the corresponding second mounting groove are combined to form a slot for a vertical bus to pass through; the first chuck and the second chuck can clamp the vertical bus together; the bus bottom support is used for supporting the bottom of the vertical bus.

2. The vertical busbar support structure of the low-voltage distribution cabinet according to claim 1, wherein the rear busbar clamps are provided with adjusting screws corresponding to the number of the second mounting grooves; the adjusting screw is used for driving the second chuck to move so as to adjust the distance between the first chuck and the second chuck.

3. The vertical busbar support structure of claim 1, wherein the first clamping head comprises a first clamping plate, two first side plates respectively arranged at two sides of the first clamping plate, and a first separating protrusion arranged at the middle part of the first clamping plate.

4. The vertical busbar support structure of claim 3, wherein a first guide groove is formed in an end surface of the front busbar clamp facing the first side plate, and the first guide groove extends in the width direction of the front busbar clamp; the outer side of the first side plate is connected with the first guide groove in a sliding mode through a first sliding strip.

5. The vertical busbar support structure of claim 3, wherein the second clamping head comprises a second clamping plate, two second side plates respectively arranged at two sides of the second clamping plate, and a second separating bulge arranged at the middle part of the second clamping plate.

6. The vertical busbar supporting structure of the low-voltage distribution cabinet according to claim 5, wherein a second guide groove is formed in an end surface of the rear busbar clamp facing the second side plate, the outer side of the second side plate is slidably connected with the second guide groove through a second sliding bar, and the second guide groove extends in the width direction of the rear busbar clamp.

7. The vertical busbar supporting structure of the low-voltage distribution cabinet according to claim 3, wherein a threaded hole is formed in an end surface of the front busbar clamp facing the rear busbar clamp, a stepped through hole corresponding to the threaded hole is formed in the rear busbar clamp, and a screw rod is respectively passed through the stepped through hole of each rear busbar clamp and is respectively screwed into the corresponding threaded hole.

8. The vertical busbar support structure of a low voltage distribution cabinet according to claim 1, wherein the busbar support is vertically upward and has the same structure as the front busbar clamp; the bus bottom support is provided with a bearing head, and the bearing head and the first chuck are identical in structure.

9. The vertical busbar support structure of claim 1, wherein the front busbar clamp is fixed to the body of the low voltage distribution cabinet by a support plate, and the front busbar clamp is screwed to the support plate.

10. The vertical busbar support structure of claim 9, wherein the busbar support is also fixed to the body of the low voltage distribution cabinet by a support plate, and the busbar support is fixedly connected to the support plate by an L-shaped plate.