CN210779976U

CN210779976U - Low-voltage switchgear bus-bar clamp

Info

Publication number: CN210779976U
Application number: CN201921479146.3U
Authority: CN
Inventors: 宋光荣; 周华祖; 胡康华
Original assignee: Sigma Electric Co ltd
Current assignee: Sigma Electric Co ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-06-16
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a low-voltage switch cabinet bus clamp, which comprises mounting plates, buses, connecting blocks, a bus insulating clamp and an external branch copper bar, wherein the two mounting plates are provided with limiting chutes along the length of the two mounting plates, the bus insulating clamp comprises a bus insulating clamp I and a bus insulating clamp II, the left and right bottom end surfaces of the bus insulating clamp I and the bus insulating clamp II are symmetrically fixed with limiting sliders, the left and right ends of the bus insulating clamp I and the bus insulating clamp II are connected on the two mounting plates through the limiting sliders in a sliding way, the left side of the bus insulating clamp I is connected with the bus insulating clamp II through a compression spring, the inner sides of the bus insulating clamp I and the bus insulating clamp II are provided with fixing grooves, the buses comprise a bus I and a bus II, the inner sides of the bus I and the bus II are provided with connecting grooves, the bus I and the bus II are connected together through the connecting blocks, the utility model solves the, the processing cost is reduced, the working hours are reduced, and the bus bar fixing device is also suitable for installing buses with different lengths.

Description

Low-voltage switchgear bus-bar clamp

Technical Field

The utility model relates to a cubical switchboard technical field specifically is a low-voltage switchgear generating line presss from both sides.

Background

The bus refers to the connection of voltage distribution devices at all levels in a substation and the connection of electrical equipment such as transformers and the like and corresponding distribution devices, and the bus is used for collecting, distributing and transmitting electric energy. The bus of low-voltage switch cabinet is mostly the rectangle bus, when arranging in the cubical switchboard, will carry out the rigidity, and traditional fixed method is the method that adopts the bus to punch, and on rethread bolted connection was to the installation roof beam of low-voltage cabinet, the hookup location need be adjusted to the connection process of this kind of method, when the position change, need punch again, relocate, extravagant manpower and materials, work efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low-voltage switchgear generating line presss from both sides in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low-voltage switchgear generating line presss from both sides, includes the same mounting panel of a pair of structure, the generating line, the connecting block, and the generating line insulating clamp reaches external branch copper bar, the fixed orifices has been seted up, two along its thickness to the one end of external branch copper bar the mounting panel has all been seted up spacing spout along its length, and two mounting panel parallel mount on the crossbeam of generating line room, the generating line insulating clamp includes that the generating line insulating clamp one that the structure is the same presss from both sides two with generating line insulating clamp two, and generating line insulating clamp one about two bottom faces and generating line insulating clamp two about two bottom faces equal symmetry be fixed with spacing slider, generating line insulating clamp one about both ends all through spacing slider sliding connection in the spacing spout on two mounting panels with generating line insulating clamp two about, and generating line insulating clamp one and generating line insulating clamp two about the length center line symmetry of one of mounting panel, the inboard at both ends all controls the inboard of both ends through compression spring and generating line The connecting structure comprises a mounting plate, two compression springs, a first bus insulation clamp and a second bus insulation clamp, wherein the two compression springs are arranged in the mounting plate, the telescopic directions of the two compression springs are parallel to the length direction of the mounting plate, fixed grooves are formed in the inner sides of the first bus insulation clamp and the second bus insulation clamp, the two fixed grooves are arranged between the two compression springs, the two ends of each bus are fixed in the fixed grooves through the compression springs, each bus comprises a first bus and a second bus which are identical in structure, connecting grooves which are matched with connecting blocks and are of L-shaped structures are formed in the inner sides of the first bus and the second bus, the first bus and the second bus are connected together through connecting blocks, each connecting block is of a concave structure, the width of each connecting block is larger than the minimum distance between the two connecting grooves, a threaded rod is vertically fixed at the center of a concave part of each connecting block, the threaded, and the upper end of the threaded rod is in threaded connection with the external branch copper bar through a nut.

Preferably, two mounting holes are formed in the two ends of each mounting plate, and the two mounting plates are fixed on the cross beam of the bus chamber through bolts.

Preferably, two the bottom of fixed slot all is fixed with the damping axle, and the equidistant cover of every damping axle is equipped with damping and presss from both sides tight piece.

Preferably, the distance between every two adjacent damping clamping blocks is equal to the thickness of the first bus or the second bus.

Preferably, the thickness of the damping clamping block is equal to the diameter of the threaded rod.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses make the connection of external branch copper bar and generating line more nimble, all can connect at will at generating line department busbar kneck, do not have the problem of changing hookup location and punching a hole again, greatly reduced the processing cost and reduced man-hour, in addition, the device is applicable to the generating line of different length, and the generating line can change the position along fixed slot length direction in the fixed slot on the insulating clamp of generating line moreover, and it is also very convenient to change.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

FIG. 3 is a schematic view of the mounting structure of the connecting block;

fig. 4 is a schematic structural diagram of the first bus (the second bus).

In the figure: 1. mounting a plate; 2. connecting blocks; 3. a branch copper bar is externally connected; 4. a fixing hole; 5. a limiting chute; 6. a first bus insulation clamp; 7. a second bus insulation clamp; 8. a limiting slide block; 9. a compression spring; 10. a first bus; 11. a second bus; 12. connecting grooves; 13. a threaded rod; 14. a damping shaft; 15. a damping clamping block; 16. a nut; 17. a bolt; 18. and fixing the grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a bus clamp of a low-voltage switch cabinet comprises a pair of mounting plates 1 with the same structure, buses, connecting blocks 2, bus insulating clamps and external branch copper bars 3, wherein one end of each external branch copper bar 3 is provided with a fixing hole 4 along the thickness of the external branch copper bar, two mounting plates 1 are respectively provided with a limiting chute 5 along the length of the mounting plates, the two mounting plates 1 are parallelly mounted on a cross beam of a bus chamber, each bus insulating clamp comprises a first bus insulating clamp 6 and a second bus insulating clamp 7 with the same structure, limiting sliders 8 are symmetrically fixed on the left bottom end face and the right bottom end face of the first bus insulating clamp 6 and the left bottom end face and the right bottom end face of the second bus insulating clamp 7, the left end and the right end of the first bus insulating clamp 6 and the left end and the right end of the second bus insulating clamp 7 are respectively connected in the limiting chutes 5 on the two mounting plates 1 in a sliding mode through the limiting sliders 8, and the first bus insulating clamp, the inner sides of the left end and the right end of the first bus insulation clamp 6 are connected with the inner sides of the left end and the right end of the second bus insulation clamp 7 through compression springs 9, the extension direction of the two compression springs 9 is parallel to the length direction of the mounting plate 1, the inner sides of the first bus insulation clamp 6 and the second bus insulation clamp 7 are respectively provided with a fixed groove 18, the two fixed grooves 18 are respectively positioned between the two compression springs 9, the two ends of the bus are fixed in the fixed grooves 18 through the compression springs 9, the bus comprises a first bus 10 and a second bus 11 which are identical in structure, the inner sides of the first bus 10 and the second bus 11 are respectively provided with a connecting groove 12 which is matched with the connecting block 2 and is of an L-shaped structure, the first bus 10 and the second bus 11 are connected together through the connecting block 2, the connecting block 2 is of a concave-shaped structure, the connecting block 2 is at least provided with one, and the width of the, make and leave the clearance between two 11 of generating line 10 and generating line, the center of 2 depressed parts of connecting block is the vertical threaded rod 13 that is fixed with of a department, and threaded rod 13 is located between two 11 of generating line 10 and generating line, threaded rod 13 is vertical to be extended to generating line 10 and two 11's of generating line up end outside, and threaded rod 13's upper end is passed through

nut

16 and 3 threaded connection of external branch copper bar.

In this embodiment, two mounting holes are formed at two ends of each of the two mounting plates 1, and the two mounting plates 1 are fixed on a cross beam of the bus bar room through bolts 17.

In this embodiment, the bottom ends of the two fixing grooves 18 are both fixed with damping shafts 14, and each damping shaft 14 is sleeved with a damping clamping block 15 at an equal distance, and the damping clamping blocks 15 can rotate along the damping shafts 14 properly.

In this embodiment, the distance between every two adjacent damping clamping blocks 15 is equal to the thickness of the first busbar 10 or the second busbar 11, and is used for clamping two ends of the busbar and preventing the busbar from tilting in the fixing groove 18.

In the embodiment, the thickness of the damping clamping block 15 is equal to the diameter of the threaded rod 13, and the first bus bar 10 and the second bus bar 11 are clamped by the three clamping blocks 15, so that the first bus bar 6 and the second bus bar 7 are ensured to be vertically fixed between the first bus bar insulation clamp 6 and the second bus bar insulation clamp 7, and the same gap between the first bus bar insulation clamp 6 and the second bus bar insulation clamp 7 is ensured, namely the first bus bar 10 and the second bus bar 11 are parallel to each other.

The working principle is as follows: when in use, two ends of the bus are respectively placed in the fixed grooves 18 on the first bus insulation clamp 6 and the second bus insulation clamp 7, and the first bus 10 and the second bus 11 are respectively clamped between the two adjacent damping clamping blocks 15, so as to prevent the first bus 10 and the second bus 11 from inclining, and the two ends of the bus are respectively abutted against the damping shafts 14 under the action of the compression spring 9, so that the bus is fixed between the first bus insulation clamp 6 and the second bus insulation clamp 7, because the bus is fixed between the first bus insulation clamp 6 and the second bus insulation clamp 7 through the compression spring 9, and at the moment, the compression spring 9 is in a stretched state, therefore, under the action of the compression spring 9, the bus clamp has an automatic clamping function, so that the bus clamp can be suitable for installing buses with different lengths, the practicability of the device is improved, in the embodiment, the number of the buses can be selected according to requirements, in addition, also can adjust the position of generating line at fixed slot 18 according to the demand, in addition, the mounting means of connecting block 2 is side by side generating line 10 and generating line two 11, then aim at spread groove 12 with connecting block 2 from generating line 10 and generating line two 11's one end thereby insert connecting block 2 in generating line 10 and generating line two 11, because the left and right sides of connecting block 2 is located two spread grooves 12 respectively, and the mounted position of external branch copper bar 3 is changed along two spread grooves 12 removal connecting block 2's position, thereby it is more nimble to make external branch copper bar 3 and the connection of generating line, all can connect at will at generating line department busbar kneck department, do not have the problem of changing the hookup location and punching a hole again, greatly reduced the processing cost and reduced man-hour.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a low-voltage switchgear generating line presss from both sides, includes a pair of mounting panel (1) that the structure is the same, the generating line, connecting block (2), and the generating line insulation presss from both sides and external branch copper bar (3), fixed orifices (4), its characterized in that have been seted up along its thickness to the one end of external branch copper bar (3): the two mounting plates (1) are respectively provided with a limiting sliding groove (5) along the length thereof, the two mounting plates (1) are parallelly mounted on a beam of a bus chamber, the bus insulation clamp comprises a first bus insulation clamp (6) and a second bus insulation clamp (7) which are identical in structure, limiting sliding blocks (8) are symmetrically fixed on the left bottom end face and the right bottom end face of the first bus insulation clamp (6) and the left bottom end face and the right bottom end face of the second bus insulation clamp (7), the left end and the right end of the first bus insulation clamp (6) and the left end and the right end of the second bus insulation clamp (7) are respectively connected in the limiting sliding grooves (5) on the two mounting plates (1) through the limiting sliding blocks (8) in a sliding manner, the first bus insulation clamp (6) and the second bus insulation clamp (7) are symmetrical about the length center line of one of the mounting plates (1), the inner sides of the left end and the right end of the first bus insulation clamp (6) are respectively connected with the inner sides of the, the telescopic directions of the two compression springs (9) are parallel to the length direction of the mounting plate (1), fixing grooves (18) are formed in the inner sides of the first bus insulation clamp (6) and the second bus insulation clamp (7), the two fixing grooves (18) are located between the two compression springs (9), the two ends of the bus are fixed in the fixing grooves (18) through the compression springs (9), the bus comprises a first bus (10) and a second bus (11) which are identical in structure, connecting grooves (12) which are matched with the connecting block (2) and are of an L-shaped structure are formed in the inner sides of the first bus (10) and the second bus (11), the first bus (10) and the second bus (11) are connected together through the connecting block (2), the connecting block (2) is of a concave-shaped structure, and the width of the connecting block (2) is larger than the minimum distance between the two connecting grooves (12), the center of connecting block (2) depressed part is for a vertical threaded rod (13) that is fixed with of department, and threaded rod (13) are located between generating line (10) and generating line two (11), threaded rod (13) are vertical to be extended to generating line (10) and generating line two (11) the up end off-plate, and nut (16) and external branch copper bar (3) threaded connection are passed through to the upper end of threaded rod (13).

2. The low-voltage switch cabinet bus-bar clamp of claim 1, wherein: two the mounting hole has all been seted up at the both ends of mounting panel (1), and two mounting panels (1) all fix on the crossbeam of generating line room through bolt (17).

3. The low-voltage switch cabinet bus-bar clamp of claim 1, wherein: the bottom of two fixed slots (18) all is fixed with damping axle (14), and the equipartition interval cover of every damping axle (14) is equipped with damping and presss from both sides tight piece (15).

4. The low-voltage switchgear busbar clamp according to claim 3, wherein: the distance between every two adjacent damping clamping blocks (15) is equal to the thickness of the first busbar (10) or the second busbar (11).

5. The low-voltage switchgear busbar clamp according to claim 3, wherein: the thickness of the damping clamping block (15) is equal to the diameter of the threaded rod (13).