Low-voltage high-current-carrying bus duct

Abstract

The utility model discloses a low-voltage high-current-carrying bus duct which comprises a plurality of single box bodies, installation grooves are formed in the single box bodies and used for installing copper bars, first clamping pieces are installed at the four corners of one side of each single box body, second clamping pieces are arranged at the four corners of the other side of each single box body, and the first clamping pieces and the second clamping pieces are arranged in parallel. The multiple single box bodies are mutually clamped and installed to form a bus duct, the first clamping piece comprises a movable groove formed in the single box body, one side of the movable groove is provided with an end groove, the end groove penetrates to one side of the single box body, a movable block is slidably installed in the movable groove, and one side, close to the end groove, of the movable block is provided with a clamping rod; according to the utility model, during operation, the copper bars can be installed through the installation grooves arranged on the single box bodies, the single box bodies with the same number can be selected according to the number of the copper bars to be installed, and the copper bars with the matched number can be conveniently installed, so that the width of the bus duct is controlled, the unoccupied copper bar installation grooves are avoided, and the installation space is reasonably utilized.

Description

Technical Field

[0001] The utility model belongs to the technical field of bus ducts, and particularly relates to a low-voltage high-current-carrying bus duct. Background Art

[0002] A bus duct is a new type of conductor, mainly used in low-voltage power transmission trunk line engineering projects. The bus duct uses copper or aluminum as the conductor, is supported by non-flammable insulation, and is then installed in a metal groove. It is composed of a shell, a conductor material, and an insulating material, and is a closed metal device. Compared with cables, the bus duct has the characteristics of large current capacity and small voltage drop. The bus duct allows the equipment of the power distribution system to be added or changed more flexibly. Generally, the bus duct is integrally formed, but there are still the following defects:

[0003] Since most bus ducts are integrally formed, when it is necessary to install a corresponding number of copper bars, it is not easy to adjust the number of metal grooves to make the number of metal grooves match the number of copper bars. Summary of the Utility Model

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a low-voltage high-current-carrying bus duct, which effectively solves the problem that the number of metal grooves is not easy to adjust to make the number of metal grooves match the number of copper bars.

[0005] To achieve the above object, the utility model provides the following technical solution: A low-voltage high-current-carrying bus duct includes a plurality of single boxes. An installation groove is opened inside the single box for installing copper bars. First clamping members are installed at the four corners on one side of the single box, and second clamping members are provided at the four corners on the other side of the single box. The plurality of single boxes are clamped and installed with each other to form a bus duct.

[0006] Preferably, the first clamping member includes a movable groove opened inside the single box, and an end groove is opened on one side of the movable groove and penetrates to one side of the single box.

[0007] Preferably, a movable block is slidably installed inside the movable groove. A clamping rod is installed on one side of the movable block close to the end groove, and one end of the clamping rod is located inside the end groove. A spring is fixedly installed on one side of the movable block close to the clamping rod, and one end of the spring is fixedly connected to the inner wall of the movable groove close to the end groove.

[0008] Preferably, a pressure-receiving inclined surface is opened on one side of the movable block away from the clamping rod, a transverse push rod is provided on one side of the movable block away from the clamping rod, one end of the transverse push rod contacts the pressure-receiving inclined surface, and a slot is opened on the clamping rod.

[0009] Preferably, a longitudinal push rod is fixedly installed at the top of the transverse push rod. A limiting cylinder is installed on the single box, and the longitudinal push rod is movably installed inside the limiting cylinder. The limiting cylinder is communicated with the movable groove.

[0010] Preferably, the second clamping member includes a clamping groove formed on the single box body, and the clamping groove corresponds to the end groove one by one. The longitudinal push rod on one side of the single box body moves downward, and the transverse push rod is used to push the clamping rod outward, so that the clamping rod is inserted into the clamping groove.

[0011] Preferably, a screw barrel is installed on the single box body, and the screw barrel is communicated with the clamping groove. A plugging screw is installed inside the screw barrel in a threaded manner. After the clamping rod is inserted into the clamping groove, the plugging screw is screwed to make the plugging screw inserted into the slot.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] During operation, the copper bars can be installed through the installation grooves formed on the single box body. According to the number of copper bars to be installed, the same number of single box bodies are selected, which is convenient for installing the copper bars in a matching number, so as to control the width of the busbar chute, avoid the occurrence of empty copper bar installation grooves, and make reasonable use of the installation space.

[0014] During operation, the longitudinal push rod on one single box body moves downward, pushing the clamping rod to move outward and insert into the clamping groove on another single box body. A slot is formed on the clamping rod, and the plugging screw is threadedly connected with the screw barrel, so that the plugging screw moves downward and is inserted into the slot on the clamping rod after being screwed, thereby clamping and fixing two adjacent single box bodies, which is convenient for installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification. They are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation to the utility model.

[0016] In the drawings:

[0017] Figure 1 is a schematic structural diagram of a low-voltage high-current-carrying busbar chute of the utility model;

[0018] Figure 2 is a schematic structural diagram of one side of the single box body of the utility model;

[0019] Figure 3 is a schematic structural diagram of the other side of the single box body of the utility model;

[0020] Figure 4 is a schematic structural diagram of the first clamping member and the second clamping member of the utility model;

[0021] Figure 5 is a schematic structural diagram of the clamping rod of the utility model.

[0022] In the figure: 1. Single box body; 2. Installation groove; 3. First clamping member; 301. Movable groove; 302. End groove; 303. Movable block; 304. Clamping rod; 305. Spring; 306. Slot; 307. Compression inclined surface; 308. Limiting cylinder; 309. Longitudinal push rod; 310. Transverse push rod; 4. Second clamping member; 401. Card slot; 402. Screw barrel; 403. Insertion screw. Specific implementation manner

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] Embodiment 1 is given by Figures 1-5 The present invention relates to a low-voltage high-current busbar groove, which includes a plurality of single box bodies 1. An installation groove 2 is opened inside the single box body 1 for installing copper bars. First clamping members 3 are installed at the four corners on one side of the single box body 1, and second clamping members 4 are provided at the four corners on the other side of the single box body 1. The plurality of single box bodies 1 are clamped and installed to form a busbar groove. The installation groove 2 opened on the single box body 1 can install copper bars. Select the same number of single box bodies 1 according to the number of copper bars to be installed, which is convenient for installing the copper bars in a matching number, so as to control the width of the busbar groove, avoid the appearance of empty copper bar installation cavities, and make reasonable use of the installation space.

[0025] The first clamping member 3 includes a movable slot 301 opened inside the single box body 1. An end slot 302 is opened on one side of the movable slot 301, and the end slot 302 penetrates to one side of the single box body 1. A movable block 303 is slidably installed inside the movable slot 301. A clamping rod 304 is installed on one side of the movable block 303 close to the end slot 302. One end of the clamping rod 304 is located inside the end slot 302. A spring 305 is fixedly installed on one side of the movable block 303 close to the clamping rod 304. One end of the spring 305 is fixedly connected to the inner wall of the movable slot 301 close to the end slot 302. A pressure-receiving inclined surface 307 is opened on one side of the movable block 303 away from the clamping rod 304. A transverse push rod 310 is arranged on one side of the movable block 303 away from the clamping rod 304. One end of the transverse push rod 310 contacts the pressure-receiving inclined surface 307. A slot 306 is opened on the clamping rod 304. A longitudinal push rod 309 is fixedly installed at the top of the transverse push rod 310. A limiting cylinder 308 is installed on the single box body 1. The longitudinal push rod 309 is movably installed inside the limiting cylinder 308. The limiting cylinder 308 is communicated with the movable slot 301. The second clamping member 4 includes a clamping slot 401 opened on the single box body 1. The clamping slots 401 correspond to the end slots 302 one by one. When the longitudinal push rod 309 on one side of the single box body 1 moves downward, the clamping rod 304 is pushed to move outward through the transverse push rod 310, so that the clamping rod 304 is inserted into the clamping slot 401. A screw cylinder 402 is installed on the single box body 1. The screw cylinder 402 is communicated with the clamping slot 401. A plugging screw 403 is threadedly installed inside the screw cylinder 402. After the clamping rod 304 is inserted into the clamping slot 401, the plugging screw 403 is screwed, so that the plugging screw 403 is inserted into the slot 306. When the longitudinal push rod 309 on one single box body 1 moves downward, the clamping rod 304 is pushed to move outward and inserted into the clamping slot 401 on another single box body 1. The slot 306 is opened on the clamping rod 304, and the plugging screw 403 is threadedly connected with the screw cylinder 402, so that the plugging screw 403 moves downward and is inserted into the slot 306 on the clamping rod 304 after being screwed, thereby clamping and fixing two adjacent single box bodies 1, which is convenient for installation.

[0026] Working principle: During work, the corresponding number of single box bodies 1 is selected according to the number of copper bars to be installed. A plurality of single box bodies 1 are installed in sequence along the width direction. The longitudinal push rod 309 on one side of the single box body 1 is pushed downward, so that the transverse push rod 310 generates pressure on the pressure-receiving inclined surface 307 on the movable block 303, and the clamping rod 304 is pushed to move outward, so that the clamping rod 304 is inserted into the clamping slot 401 on another single box body 1. The slot 306 is opened on the clamping rod 304. Then the plugging screw 403 is screwed. Since the plugging screw 403 is threadedly connected with the screw cylinder 402, the plugging screw 403 moves downward and is inserted into the slot 306, thereby clamping and fixing each single box body 1 in sequence. By different installation numbers of the single box bodies 1, it is convenient to adjust the overall width of the busbar and convenient for installation at different positions.

Claims

1. A low-voltage high-current busbar trunking, comprising a plurality of single boxes (1), characterized in that: An installation groove (2) is formed inside the single box body (1). The installation groove (2) is used for installing copper bars. First clamping members (3) are installed at the four corners on one side of the single box body (1), and second clamping members (4) are arranged at the four corners on the other side of the single box body (1). A plurality of single box bodies (1) are clamped and installed with each other to form a busbar groove.

2. The low-voltage high-current busbar according to claim 1, wherein: The first clamping member (3) includes a movable groove (301) formed inside the single box body (1). An end groove (302) is formed on one side of the movable groove (301), and the end groove (302) penetrates to one side of the single box body (1).

3. The low-voltage high-current busbar according to claim 2, characterized in that: A movable block (303) is slidably installed inside the movable groove (301). A clamping rod (304) is installed on one side of the movable block (303) close to the end groove (302). One end of the clamping rod (304) is located inside the end groove (302). A spring (305) is fixedly installed on one side of the movable block (303) close to the clamping rod (304), and one end of the spring (305) is fixedly connected to the inner wall of the movable groove (301) close to the end groove (302).

4. The low-voltage high-current busbar according to claim 3, characterized in that: A pressure-receiving inclined surface (307) is formed on one side of the movable block (303) away from the clamping rod (304). A transverse push rod (310) is arranged on one side of the movable block (303) away from the clamping rod (304). One end of the transverse push rod (310) is in contact with the pressure-receiving inclined surface (307). A slot (306) is formed on the clamping rod (304).

5. The low-voltage high-current busbar according to claim 4, characterized in that: A longitudinal push rod (309) is fixedly installed at the top of the transverse push rod (310). A limiting cylinder (308) is installed on the single box body (1). The longitudinal push rod (309) is movably installed inside the limiting cylinder (308), and the limiting cylinder (308) is communicated with the movable groove (301).

6. A low-voltage high-current busbar according to claim 4, characterized in that: The second clamping member (4) includes a clamping groove (401) formed on the single box body (1). The clamping grooves (401) correspond to the end grooves (302) one by one. When the longitudinal push rod (309) on the single box body (1) on one side moves downward, the clamping rod (304) is pushed to move outwards through the transverse push rod (310), so that the clamping rod (304) is inserted into the clamping groove (401).

7. The low-voltage high-current busbar according to claim 6, wherein: A screw cylinder (402) is installed on the single box body (1). The screw cylinder (402) is communicated with the clamping groove (401). A plugging screw (403) is installed inside the screw cylinder (402) in a threaded manner. After the clamping rod (304) is inserted into the clamping groove (401), the plugging screw (403) is screwed to make the plugging screw (403) inserted into the slot (306).

Images