Closed bus duct convenient for bus installation

Abstract

The utility model relates to a closed bus duct convenient for bus installation, which comprises a duct box with an opening at the top, a support tube arranged at the bottom of the duct box, top supports arranged at two sides of the top of the duct box, a support rod detachably connected between the two top supports, a duct cover detachably connected with the support rod, and a bus support member arranged at the bottom in the duct box and used for bus connection. The upper part of the groove box is provided with an opening, the supporting rod is detachably connected with the support, and the supporting rod is detachably connected with the groove cover, so that a bus can be directly mounted and dismounted at the upper end of the groove box, and does not need to be inserted and run through from one end of the groove box.

Description

Technical Field

[0001] The utility model relates to the technical field of switch cabinet equipment, in particular to a closed bus duct which is convenient for bus installation. Background Art

[0002] Closed bus ducts are widely used in the field of power transmission and distribution, especially the bus between the output end of the transformer and the input end of the high-voltage incoming line cabinet. Generally, closed bus ducts are used as the bus channel.

[0003] Chinese patent document CN209200611U records a closed bus duct, including a trough box, a support tube installed at the bottom of the trough box, the support tube is arranged horizontally, and one end of the support tube is a reducing section, and mounting holes are arranged at both ends of the support tube, and the mounting hole at one end of the support tube is arranged at the reducing section of the support tube; channel openings are arranged on the left and right sides of the trough box, wherein the channel opening on one side of the trough box is also a reducing section, and the reducing section of the trough box and the reducing section of the support tube are located on the same side; multiple trough boxes are fixed together by a socket connection; an inspection port is opened on the top of the trough box, an inspection door is installed at the inspection port, a heat dissipation port is opened on the bottom plate of the trough box, a heat dissipation grille is installed on the heat dissipation port, and a heat dissipation fan is installed under the heat dissipation grille; a plurality of busbar supports are arranged on the surface of the bottom plate of the trough box.

[0004] When placing the busbar of the above bus duct, it is necessary to pass through one end of the bus duct until it passes through the other end, and then connect the busbar to the busbar support in the duct, and then connect the two ends of the busbar to the equipment. This method makes the installation of the busbar very cumbersome and inconvenient for maintenance. Summary of the invention

[0005] The technical problem to be solved by the utility model is to provide a closed bus duct which is convenient for busbar installation and can conveniently carry out installation and disassembly of the busbar.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A closed bus duct which is convenient for busbar installation comprises a trough box with an open top, a support tube installed at the bottom of the trough box, top supports arranged on both sides of the top of the trough box, a detachably connected support rod arranged between the two top supports, a trough cover detachably connected to the support rod, and a busbar support for busbar connection placed at the bottom of the trough box.

[0008] A through hole is arranged above the slot cover, and a screw hole corresponding to the position of the through hole is arranged on the upper surface of the support rod, and the screw hole is used to connect the support rod and the slot cover together.

[0009] The top of the top support is L-shaped, and the L-shaped protruding portion is provided with a threaded hole for connecting with the support rod.

[0010] Bottom supports are provided at the bottom of the two side walls inside the above-mentioned trough box, and the bottom supports can be detachably connected to the support rods.

[0011] The bottom support is L-shaped and is provided with a threaded hole for connecting with the support rod.

[0012] The busbar support member comprises an insulator fixedly connected to the bottom surface of the slot box, a concave plate is arranged on the top of the insulator, and a mounting hole for fixed connection with the busbar is arranged on the bottom of the concave plate.

[0013] The above-mentioned support tube is arranged horizontally, and one end of the support tube is a diameter-reducing section. Both ends of the support tube are provided with mounting holes, and the mounting hole at one end of the support tube is arranged at the diameter-reducing section of the support tube.

[0014] The utility model provides a closed bus duct which is convenient for busbar installation. By arranging the duct box with an upper opening and by detachable connection between the support rod and the support, and by detachable connection between the support rod and the duct cover, the busbar can be installed and removed directly at the upper end of the duct box without inserting and penetrating from one end. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0016] Figure 1 This is a schematic diagram of the structure of the bus duct of the utility model;

[0017] Figure 2 for Figure 1 A partial enlarged schematic diagram of

[0018] Figure 3 It is the side view of the bus duct;

[0019] Figure 4 It is a schematic diagram of the structure of the busbar support.

[0020] In the figure: trough box 1, support tube 2, trough cover 3, through hole 4, busbar support 5, concave plate 501, insulator 502, mounting hole 503, bottom support 6, top support 7, support rod 8, threaded hole 9. DETAILED DESCRIPTION

[0021] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] A closed bus duct for facilitating busbar installation comprises a trough box 1 with an open top, a support tube 2 is installed at the bottom of the trough box 1, top supports 7 are arranged on both sides of the top of the trough box 1, a detachably connected support rod 8 is arranged between the two top supports 7, a trough cover 3 is detachably connected to the support rod 8, and a busbar support 5 for busbar connection is placed at the bottom of the trough box 1.

[0023] like Figure 1-3 As shown in , when the slot cover 3 is removed, the support rod 8 is removed, and the upper part of the slot box 1 is completely opened, the busbar can be placed directly on the busbar support 5 from above without entering from the side.

[0024] A through hole 4 is provided above the slot cover 3 , and a screw hole corresponding to the position of the through hole 4 is provided on the upper surface of the support rod 8 , and the screw hole is used to connect the support rod 8 and the slot cover 3 together.

[0025] The top of the top support 7 is L-shaped, and the L-shaped protruding portion is provided with a threaded hole 9 for connecting with the support rod 8.

[0026] Bottom supports 6 are provided at the bottom of the two side walls inside the trough box 1 , and the bottom supports 6 can be detachably connected to the support rods 8 .

[0027] like Figure 3 As shown in FIG. 1 , the bottom support 6 is used to be connected to the support rod 8 after the support rod 8 and the top support 7 are disassembled, so that the trough box 1 maintains an open shape, which is convenient for the installation of the busbar.

[0028] The bottom support 6 is L-shaped and is provided with a threaded hole 9 for connecting with the support rod 8 .

[0029] like Figure 4 As shown in , the busbar support 5 comprises an insulator 502 fixedly connected to the bottom surface of the trough box 1, a concave plate 501 is provided on the top of the insulator 502, and a mounting hole 503 for fixed connection with the busbar is provided at the bottom of the concave plate 501.

[0030] The support tube 2 is horizontally arranged, and one end of the support tube 2 is a diameter-reducing section. Both ends of the support tube 2 are provided with mounting holes, and the mounting hole at one end of the support tube 2 is arranged at the diameter-reducing section of the support tube 2 .

Claims

1. A closed bus duct that is convenient for busbar installation, characterized by: The invention comprises a trough box (1) with an opening at the top, a support tube (2) being installed at the bottom of the trough box (1), top supports (7) being provided at both sides of the top of the trough box (1), a detachably connected support rod (8) being provided between the two top supports (7), a trough cover (3) being detachably connected to the support rod (8), and a busbar support member (5) for busbar connection being placed at the bottom of the trough box (1).

2. A closed bus duct for facilitating busbar installation according to claim 1, characterized in that: The slot cover (3) is provided with a through hole (4) above, and the upper surface of the support rod (8) is provided with a screw hole corresponding to the position of the through hole (4), and the screw hole is used to connect the support rod (8) and the slot cover (3) together.

3. A closed bus duct for facilitating busbar installation according to claim 2, characterized in that: The top of the top support (7) is L-shaped, and the L-shaped protruding portion is provided with a threaded hole (9) for connecting with the support rod (8).

4. A closed bus duct for facilitating busbar installation according to claim 3, characterized in that: Bottom supports (6) are provided at the bottom of the two side walls inside the trough box (1), and the bottom supports (6) can be detachably connected to the support rods (8).

5. A closed bus duct for facilitating busbar installation according to claim 4, characterized in that: The bottom support (6) is L-shaped and is provided with a threaded hole (9) for connecting with the support rod (8).

6. A closed bus duct for facilitating busbar installation according to claim 5, characterized in that: The busbar support (5) comprises an insulator (502) fixedly connected to the bottom surface of the trough box (1), a concave plate (501) is provided on the top of the insulator (502), and a mounting hole (503) for fixed connection with the busbar is provided on the bottom of the concave plate (501).

7. A closed bus duct for facilitating busbar installation according to claim 6, characterized in that: The support tube (2) is arranged horizontally, and one end of the support tube (2) is a diameter-reducing section. Both ends of the support tube (2) are provided with mounting holes, and the mounting hole at one end of the support tube (2) is arranged at the diameter-reducing section of the support tube (2).

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