Power bus duct for easy and stable docking

Abstract

The present invention discloses a power bus duct that is convenient for stable docking, including a duct box, a fixing frame and an insulator, a through hole is provided on the top of the duct box, a rotating shaft is provided on the side edge of the duct box close to the through hole, a docking plate is provided on the side edge of the through hole away from the rotating shaft, a support is fixed on the side edge of the cover plate close to the docking plate, a groove is provided inside one side of the limit bar, a protrusion is provided on the side of the duct box close to the limit bar, one side of the fixing frame is provided between the limit bar and the protrusion, and the insulator is installed on the top of the fixing frame. The power bus duct that is convenient for stable docking places the conductive plate in the slide groove in the middle position of the docking seat, and docks through the connection holes and threaded columns on both sides of the clamping seat, tightens the anti-loosening nut to drive the clamping seat to squeeze the conductive plate in the middle of the docking seat, thereby facilitating stable docking and locking of the conductive components inside the power bus duct.

Description

Technical Field

[0001] The invention relates to the technical field of electric power equipment, in particular to an electric power bus duct which is convenient for stable docking. Background Art

[0002] Busbar refers to the connection of various voltage distribution devices in the substation, as well as the connection between electrical equipment such as transformers and corresponding distribution devices. Most of them use bare wires or stranded wires with rectangular or circular cross-sections. The bus duct is a system composed of metal plates as protective shells, conductive bars, insulating materials and related accessories. The existing power bus ducts still have problems such as unstable docking of conductive components inside the bus duct when they are spliced ​​and used. To this end, we hope to improve the assembly efficiency of the power bus duct through innovation of the power bus duct, facilitate the stable docking of conductive components, and maximize their value. With the development of science and technology, power bus ducts that are easy to dock stably have developed to a great extent. Its development has brought great convenience to people in high-voltage power distribution in factory workshops, and its types and quantities are also increasing day by day.

[0003] Although there are many types and quantities of power bus ducts that are easy to connect stably on the market, they have the following disadvantages: the assembly of components inside the power bus duct is troublesome, the connection of conductive components inside the power bus duct is unstable, and it is inconvenient to open the cover for maintenance inside the power bus duct. Therefore, it is necessary to improve the current power bus ducts that are easy to connect stably. Summary of the invention

[0004] The purpose of the present invention is to provide a power bus duct that is easy to connect stably, so as to solve the problems raised by the above background technology, such as the troublesome assembly of components inside the power bus duct on the current market, the unstable connection of conductive components inside the power bus duct, and the inconvenient opening of the cover for maintenance inside the power bus duct.

[0005] To achieve the above object, the present invention provides the following technical solution: a power bus duct that is easy to connect stably, comprising a duct box, a fixing frame and an insulator, wherein a through hole is provided on the top of the duct box, a rotating shaft is provided on one side edge of the duct box close to the through hole, and the rotating shaft is movably connected to a cover plate;

[0006] A docking plate is provided on the edge of the through hole away from the rotating shaft, a support is fixed on the edge of the cover plate close to the docking plate, a pull plate is provided on one side of the top of the support, a locking knob is connected through the inside of the pull plate, a limit strip is provided on the inner wall surface of the wire trough box away from the through hole, a groove is provided inside one side of the limit strip, a protrusion is provided on the side of the wire trough box close to the limit strip, one side of the fixing frame is provided between the limit strip and the protrusion, and clamping plates are provided on both sides of the fixing frame, and the clamping plates are docked with the groove;

[0007] The insulator is installed on the top of the fixing frame, and a docking seat is fixed on the side of the insulator away from the fixing frame. A slide groove is provided in the middle of the docking seat, and threaded columns are provided at both ends of the docking seat. A conductive plate is provided inside the slide groove, and a clamping seat is provided above the conductive plate. Connecting holes are provided at both ends of the clamping seat, and the clamping seat is docked with the threaded column through the connecting holes, and one end of the threaded column extending out of the clamping seat is connected with a locking nut.

[0008] Preferably, the width of the cover plate is smaller than the width of the wire slot box, and the cover plate is rotatably connected through the rotating shaft and the through hole.

[0009] Preferably, the supports are distributed in parallel at equal intervals on one side edge of the cover plate, and the cross-sectional shape of the pull plate on one side of the supports is an inverted "L"-shaped structure.

[0010] Preferably, the cross-sectional shape of the fixing frame is an inverted "U" shape, and the fixing frame and the insulator are vertically distributed, and the connection dimensions of the clamping plates and the grooves on both sides of the fixing frame are consistent, and the fixing frame forms a clamping structure between the clamping plates and the grooves.

[0011] Preferably, the threaded columns are symmetrically distributed in parallel with respect to the center line of the docking seat, and the diameter of the threaded columns matches the diameter of the connecting hole.

[0012] Preferably, the cross-sectional shape of the middle portion of the card holder is an inverted isosceles trapezoid, and the inner walls of the connecting holes on both sides of the card holder are smooth surfaces.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] (1) The power bus duct that is easy to connect stably is configured to press a certain number of fixing frames into the grooves inside the limiting strips through the clamping plates on both sides, so that the protrusions limit the clamping plates to prevent the fixing frames from loosening and falling off during installation, and then the insulators are fixed to the fixing frames through the threaded ends, so that the components inside the power bus duct can be assembled and fixed;

[0015] (2) The power bus duct that is easy to connect stably places the conductive plate in the slide groove in the middle of the docking seat, and connects them through the connection holes and threaded columns on both sides of the clamping seat. Tightening the anti-loosening nut drives the clamping seat to squeeze the conductive plate in the middle of the docking seat, thereby facilitating stable docking and locking of the conductive components inside the power bus duct;

[0016] (3) The power bus duct that is easy to connect stably can be easily connected by loosening the locking knob by rotating it, so that the locking knob can be separated from the docking plate along the pull plate, and then the pull plate can drive the cover plate on one side of the support to flip around the rotating shaft, so that the cover plate can be flipped open from the top of the cable duct box, thereby facilitating the operator to open the cover when performing internal inspection and troubleshooting of the power bus duct. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main cross-sectional structure of the power bus duct that is convenient for stable docking according to the present invention.

[0018] Figure 2 This is a schematic diagram of the left-side cross-sectional structure of the power bus duct that facilitates stable docking according to the present invention.

[0019] Figure 3 The invention provides a power bus duct that is convenient for stable docking Figure 1 Schematic diagram of the local enlarged structure at point A in the middle.

[0020] Figure 4 The invention provides a power bus duct that is convenient for stable docking Figure 1 Schematic diagram of the local enlarged structure at point B in the middle.

[0021] Figure 5 The invention provides a power bus duct that is convenient for stable docking Figure 2 Schematic diagram of the partial enlarged structure at point C in the middle.

[0022] In the figure: 1. Wire trough box; 2. Through hole; 3. Rotating shaft; 4. Cover plate; 5. Docking plate; 6. Support; 7. Pull plate; 8. Locking knob; 9. Limit strip; 10. Groove; 11. Protrusion; 12. Fixing frame; 13. Card plate; 14. Insulator; 15. Docking seat; 16. Slide groove; 17. Threaded column; 18. Conductive plate; 19. Card seat; 20. Connecting hole; 21. Anti-loosening nut. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] See also Figure 1-5The present invention provides a technical solution: a power bus duct that is easy to connect stably, including a trough box 1, a through hole 2, a rotating shaft 3, a cover plate 4, a docking plate 5, a support 6, a pull plate 7, a locking knob 8, a limit strip 9, a groove 10, a protrusion 11, a fixing frame 12, a clamping plate 13, an insulator 14, a docking seat 15, a slide groove 16, a threaded column 17, a conductive plate 18, a clamping seat 19, a connecting hole 20 and a locking nut 21. The top of the trough box 1 is provided with a through hole 2, and a rotating shaft 3 is provided on the edge of one side of the trough box 1 close to the through hole 2. The rotating shaft 3 is movably connected to the cover plate 4, and the width of the cover plate 4 is smaller than the width of the trough box 1. The cover plate 4 is rotatably connected between the rotating shaft 3 and the through hole 2, so that the cover plate 4 can be flipped closed or opened to protect or repair the trough box 1;

[0025] A docking plate 5 is provided on the edge of one side of the through hole 2 away from the rotating shaft 3, and a support 6 is fixed to the edge of one side of the cover plate 4 close to the docking plate 5. The supports 6 are distributed in parallel at equal intervals on the edge of one side of the cover plate 4, and the cross-sectional shape of the pull plate 7 on one side of the support 6 is an inverted "L"-shaped structure, so that the pull plate 7 on one side of the support 6 and the locking knob 8 are connected. The cover plate 4 can be sealed or flipped open by connecting or disconnecting the locking knob 8 and the docking plate 5. A pull plate 7 is provided on one side of the top of the support 6, and the locking knob 8 is connected to the inside of the pull plate 7. A limit strip 9 is provided on the inner wall surface of the wire trough box 1 away from the through hole 2. One side of the limit strip 9 A groove 10 is provided inside the side, a protrusion 11 is provided on the side of the line slot box 1 close to the limit strip 9, one side of the fixing frame 12 is provided between the limit strip 9 and the protrusion 11, the cross-sectional shape of the fixing frame 12 is an inverted "U" shape, and the fixing frame 12 and the insulator 14 are vertically distributed, and the connection dimensions of the card plates 13 and the groove 10 on both sides of the fixing frame 12 are consistent, and the fixing frame 12 forms a snap-fit ​​structure between the card plates 13 and the groove 10, so that the fixing frame 12 can be assembled and fixed by connecting the card plates 13 and the groove 10, and the fixing frame 12 is provided with card plates 13 on both sides, and the card plates 13 are docked with the groove 10;

[0026] The insulator 14 is installed at the top of the fixing frame 12. A docking seat 15 is fixed to the side of the insulator 14 away from the fixing frame 12. A slide groove 16 is provided in the middle of the docking seat 15. Threaded columns 17 are provided at both ends of the docking seat 15. The threaded columns 17 are symmetrically distributed parallel to the center line of the docking seat 15, and the diameter of the threaded columns 17 matches the diameter of the connecting hole 20, so that the threaded columns 17 can be positioned and installed in the docking seat 15 to avoid the docking seat 15 from being connected and offset. A conductive plate 1 is provided inside the slide groove 16. 8. A holder 19 is provided above the conductive plate 18. The cross-sectional shape of the middle portion of the holder 19 is an inverted isosceles trapezoid, and the inner walls of the connecting holes 20 on both sides of the holder 19 are smooth surfaces, so that the holder 19 can press the conductive plate 18 downward along the threaded column 17, thereby facilitating stable docking and locking of the conductive plate 18. Connecting holes 20 are provided at both ends of the holder 19, and the holder 19 is docked with the threaded column 17 through the connecting holes 20. One end of the threaded column 17 extending out of the holder 19 is connected with a locking nut 21.

[0027] Working principle: When using the power bus duct that is easy to connect stably, first, a certain number of fixing frames 12 are pressed and inserted into the groove 10 inside the limiting strip 9 through the clamping plates 13 on both sides, so that the protrusion 11 limits the clamping plates 13 to prevent the fixing frames 12 from loosening and falling off during installation, and then the insulator 14 is fixed to the fixing frame 12 through the threaded end, and then the wire trough box 1 is spliced ​​and assembled at the designated installation position, and the conductive plate 18 is placed in the slide groove 16 in the middle position of the docking seat 15, and the connection holes 20 on both sides of the clamping seat 19 are connected to the threaded column 17, and the anti-loosening nut 21 is tightened to drive the clamping seat 19 to squeeze the The conductive plate 18 in the middle of the socket 15 is used to stably connect and lock the conductive components inside the power bus duct. Later, when it is necessary to inspect the inside of the power bus duct, the locking knob 8 is rotated and loosened to disengage the locking knob 8 from the docking plate 5 along the pull plate 7, so that the locking connection between the wire duct box 1 and the cover plate 4 is disengaged, and then the cover plate 4 on one side of the support 6 is driven by the pull plate 7 to flip around the rotating shaft 3, so that the cover plate 4 is flipped open from the top of the wire duct box 1, thereby facilitating the operator to open the cover for inspection and other operations. The contents not described in detail in this description belong to the prior art known to professional and technical personnel in this field.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A power bus duct that is easy to connect stably, comprising a duct box (1), a fixing frame (12) and an insulator (14), characterized in that: A through hole (2) is provided on the top of the wire trough box (1), and a rotating shaft (3) is provided on a side edge of the wire trough box (1) close to the through hole (2), and the rotating shaft (3) is movably connected to the cover plate (4); A docking plate (5) is provided on the edge of the through hole (2) away from the rotating shaft (3); a support (6) is fixed on the edge of the cover plate (4) close to the docking plate (5); a pull plate (7) is provided on one side of the top of the support (6); a locking knob (8) is connected to the inside of the pull plate (7); a limit strip (9) is provided on the inner wall surface of the wire trough box (1) away from the through hole (2); a groove (10) is provided on one side of the limit strip (9); a protrusion (11) is provided on the side of the wire trough box (1) close to the limit strip (9); one side of the fixing frame (12) is arranged between the limit strip (9) and the protrusion (11); and clamping plates (13) are provided on both sides of the fixing frame (12); the clamping plates (13) are docked with the groove (10); The insulator (14) is mounted on the top of the fixing frame (12); a docking seat (15) is fixed on the side of the insulator (14) away from the fixing frame (12); a slide groove (16) is provided in the middle of the docking seat (15); threaded columns (17) are provided at both ends of the docking seat (15); a conductive plate (18) is provided inside the slide groove (16); a clamping seat (19) is provided above the conductive plate (18); connecting holes (20) are provided at both ends of the clamping seat (19); the clamping seat (19) is docked with the threaded column (17) through the connecting holes (20); and a locking nut (21) is connected to one end of the threaded column (17) extending out of the clamping seat (19); The width of the cover plate (4) is smaller than the width of the wire trough box (1), and the cover plate (4) is rotatably connected to the through hole (2) via the rotating shaft (3); The supports (6) are distributed in parallel at equal intervals on one side edge of the cover plate (4), and the cross-sectional shape of the pull plate (7) on one side of the supports (6) is an inverted "L"-shaped structure; The cross-sectional shape of the fixing frame (12) is an inverted "U" shape, and the fixing frame (12) and the insulator (14) are vertically distributed, and the connection dimensions of the clamping plates (13) and the grooves (10) on both sides of the fixing frame (12) are consistent, and the fixing frame (12) forms a clamping structure between the clamping plates (13) and the grooves (10); The threaded columns (17) are symmetrically distributed parallel to the center line of the docking seat (15), and the diameter of the threaded columns (17) matches the diameter of the connecting hole (20); The cross-sectional shape of the middle portion of the card seat (19) is an inverted isosceles trapezoid, and the inner walls of the connecting holes (20) on both sides of the card seat (19) are smooth surfaces.

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