Fireproof dense bus duct

Abstract

The utility model discloses a fireproof dense bus duct, and relates to the field of dense bus ducts, the fireproof dense bus duct comprises a housing composed of an end plate and a side plate, the end plate and the side plate are in sliding connection, pressing mechanisms are distributed on the end plate and the side plate, and the pressing mechanisms are used for pressing multiple groups of arranged copper bars. A gap is prevented from being generated between the adjacent copper bars; sliding grooves are formed in the inner sides of the two end plates which are symmetrically distributed up and down, sliding blocks are welded to the upper ends and the lower ends of the side plates which are symmetrically distributed on the two sides, and the sliding blocks are slidably connected to inner cavities of the sliding grooves. According to the utility model, through the arrangement of the pressing mechanism, pressing operation can be carried out without using a cylinder for supporting, the copper bars are pressed by rotating the locking nuts, redundant space between the copper bars is avoided, and in the specific use process, if the dense bus duct is found to have buzzing sound or nourishing sound, pressing can be carried out rapidly on the premise of not needing to be mounted and dismounted again, so that the working efficiency is improved. And the efficiency is high.

Description

Technical Field

[0001] The utility model relates to the field of dense bus ducts, in particular to a fireproof dense bus duct. Background Art

[0002] The dense bus duct is a busbar system composed of metal plates (steel plates or aluminum plates) as protective shells, conductive bars, insulating materials and related accessories.

[0003] In the prior art, when the protective shell is fixed, a push cylinder is generally used to support the side plates, and then the side plates are fixed by riveting. However, in the production process, the push cylinder is occasionally not pushed into place, resulting in the two side plates not effectively pressing the copper bar. After the manufacturer completes the installation, when the power is turned on, a buzzing or sizzling sound will be heard. At this time, the installed dense bus duct needs to be replaced, which is time-consuming and labor-intensive. Utility Model Content

[0004] The purpose of the utility model is to provide a fireproof dense bus duct in order to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: a fireproof dense bus duct, comprising a shell composed of an end plate and a side plate, wherein the end plate and the side plate are slidably connected, and a clamping mechanism is distributed on the end plate and the side plate, and the clamping mechanism is used to clamp multiple groups of arranged copper bars to avoid gaps between adjacent copper bars;

[0006] The inner sides of the two end plates symmetrically distributed up and down are provided with sliding grooves, and the upper and lower ends of the side plates symmetrically distributed on both sides are welded with sliders, and the sliders are slidably connected to the inner cavities of the sliding grooves;

[0007] Both ends of the slide groove are open structures, and the vertical sections of the sliding block and the slide groove are convex structures.

[0008] As a further solution of the utility model: both ends of the shell are in an open state, a plurality of groups of copper bars are arranged in the shell, and the outer walls of the copper bars are wrapped with mica paper except for the ends.

[0009] As a further solution of the utility model: the clamping mechanism includes a connecting rod, a connecting rod with a "C"-shaped structure is welded on the outer side of the connecting rod, the connecting rod includes a short cross bar, a long cross bar and a vertical bar, the long cross bar of the connecting rod is located on the outer side of the end plate, and one end of the short cross bar of the connecting rod is welded to the side of the slider;

[0010] The vertical rod is integrally formed at the ends of the short cross rod and the long cross rod.

[0011] As a further solution of the utility model: the clamping mechanism also includes an external thread formed on the end of the outer wall of the connecting rod, a fixing piece is fixedly installed on the outer surface of the end plate by bolts, the connection between the fixing piece and the end plate is a fixing part, the fixing part is connected to the outer side of the end plate by bolts, a circular hole with the same outer diameter as the connecting rod is opened inside the upper half of the fixing piece, and a locking nut is threadedly connected to the outer wall of the external thread.

[0012] As a further solution of the utility model: both ends of the copper bar are bent outwards, forming a filling gap between two adjacent ends of the copper bar, and the filling gap is used to insert the fireproof board.

[0013] As a further solution of the utility model: a gasket is provided at the contact position between the locking nut and the fixing member.

[0014] As a further solution of the utility model: the outer wall of the sliding block is consistent with the inner wall of the sliding groove.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. By setting up a clamping mechanism, there is no need to use a cylinder to hold the copper busbar for clamping. The copper busbar can be clamped by rotating the locking nut to avoid excess space between the copper busbars. In actual use, if the dense busbar is found to have a buzzing or sizzling sound, it can be quickly clamped without reinstalling or disassembling, which is more efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 For the utility model Figure 1 A partial enlarged view of the middle part;

[0019] Figure 3 This is a schematic diagram of the end structure of the utility model;

[0020] Figure 4 For the utility model Figure 3 A partial enlarged view of point B in the middle.

[0021] In the figure: 1. end plate; 2. side plate; 3. copper busbar; 4. mica paper; 5. slider; 6. connecting rod; 7. external thread; 8. fixing piece; 9. locking nut; 10. slide groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 to Figure 4 In the embodiment of the utility model, a fireproof dense bus duct includes a shell composed of an end plate 1 and a side plate 2, the end plate 1 and the side plate 2 are slidably connected, and a clamping mechanism is distributed on the end plate 1 and the side plate 2, and the clamping mechanism is used to clamp multiple groups of copper bars 3 to avoid gaps between adjacent copper bars 3; a slide groove 10 is opened on the inner side of the two end plates 1 symmetrically distributed up and down, and sliders 5 are welded on the upper and lower ends of the side plates 2 symmetrically distributed on both sides, and the slider 5 is slidably connected to the inner cavity of the slide groove 10; both ends of the slide groove 10 are open structures, and the vertical sections of the slider 5 and the slide groove 10 are "convex" structures, and the outer wall of the slider 5 is consistent with the inner wall of the slide groove 10.

[0024] In this embodiment: during assembly, the copper busbar 3 is placed between the two end plates 1, and then the two side plates 2 are connected to the slide grooves 10 on the two end plates 1 through the sliders 5 until the two side plates 2 limit the two outermost copper busbars 3;

[0025] In the above process, the two parts of the clamping mechanism distributed on the side plate 2 and the end plate 1 are connected to each other, and then the clamping mechanism is tightened to effectively squeeze the multiple copper bars 3 to avoid excess gaps between the copper bars 3, thereby avoiding excess space between the bus ducts. After power is turned on, the current passing through the copper bars 3 will generate a vibration frequency and cause a buzzing or buzzing sound.

[0026] Please refer to Figure 1 and Figure 4 The two ends of the shell are open, and multiple groups of copper bars 3 are arranged in the shell. The outer wall of the copper bar 3 is wrapped with mica paper 4 except the end.

[0027] In this embodiment, the mica paper 4 has good flame retardant and insulating effects. It is wrapped around the outside of the copper busbar 3 to prevent the short circuit caused by direct contact between adjacent copper busbars 3 and also has a flame retardant effect.

[0028] Please refer to Figure 3 and Figure 4The clamping mechanism includes a connecting rod 6, on the outer side of which a connecting rod 6 in a "C"-shaped structure is welded, the connecting rod 6 includes a short cross bar, a long cross bar and a vertical bar, the long cross bar of the connecting rod 6 is located on the outer side of the end plate 1, and one end of the short cross bar of the connecting rod 6 is welded to the side of the slider 5; the vertical bar is integrally formed with the ends of the short cross bar and the long cross bar, the clamping mechanism also includes an external thread 7 formed at the end of the outer wall of the connecting rod 6, a fixing part 8 is fixedly installed on the outer side of the end plate 1 by bolts, the connection between the fixing part 8 and the end plate 1 is a fixing part, the fixing part is connected to the outer side of the end plate 1 by bolts, a circular hole with the same outer diameter as the connecting rod 6 is opened inside the upper half of the fixing part 8, and a locking nut 9 is threadedly connected to the outer wall of the external thread 7.

[0029] In this embodiment: when the two side plates 2 are inserted between the two end plates 1 through the sliders 5 and the slide grooves 10, the long crossbar of the connecting rod 6 is inserted into the circular hole on the upper part of the fixing member 8 during the movement. After the insertion is completed, the two side plates 2 initially limit the copper bars 3, but the copper bars 3 are not tight enough at this time;

[0030] Then put the gasket between the fixing piece 8 and the locking nut 9, and use the tool to distribute and tighten the multiple locking nuts 9, that is, after tightening one locking nut 9 N turns, stop rotating, and then pay attention to tighten the remaining locking nuts 9 N turns respectively to avoid directly tightening one locking nut 9, and repeat the above operation until the multiple locking nuts 9 are completely tightened;

[0031] During the tightening process of the locking nut 9, due to the limitation of the fixing part 8, the locking nut 9 rotates in place, and the long cross bar is pulled to move under the action of the external thread 7, and the long cross bar drives the short cross bar to move synchronously through the vertical bar, and the short cross bar pushes the slider 5 to move, and the slider 5 pushes the side plate 2 to squeeze the copper bus 3, eliminating the excess space between the copper bus 3, thereby avoiding the copper bus 3 from making a buzzing sound or a hissing sound when current passes through.

[0032] Please refer to Figure 1 and Figure 3 Both ends of the copper busbar 3 are bent outward, forming a filling gap between the ends of two adjacent copper busbars 3, and the filling gap is used to insert the fireproof board.

[0033] In this embodiment: when two dense bus duct ends are connected, a special connector is used, and a plurality of fireproof panels are provided on the special connector to separate the ends of adjacent copper bars 3. Then, the special connector is tightened, and the plurality of fireproof panels can effectively clamp the ends of the copper bars 3 to complete the connection of the two dense bus ducts.

[0034] Please refer to Figure 4 A gasket is provided at the contact position between the locking nut 9 and the fixing member 8.

[0035] In this embodiment, the contact area between the bolt or nut and the surface of the fixing member 8 is increased to prevent the surface of the part from being worn.

[0036] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fireproof compact bus duct, comprising a housing composed of an end plate (1) and a side plate (2), characterized in that: The end plate (1) and the side plate (2) are slidably connected to each other, and clamping mechanisms are distributed on the end plate (1) and the side plate (2), and the clamping mechanisms are used to clamp multiple groups of arranged copper bars (3) to avoid gaps between adjacent copper bars (3); A slide groove (10) is provided on the inner side of the two end plates (1) symmetrically distributed up and down, and a slider (5) is welded to the upper and lower ends of the side plates (2) symmetrically distributed on both sides, and the slider (5) is slidably connected to the inner cavity of the slide groove (10); Both ends of the slide groove (10) are open structures, and the vertical cross-sections of the slider (5) and the slide groove (10) are convex structures.

2. A fireproof dense bus duct according to claim 1, characterized in that: Both ends of the shell are in an open state. A plurality of groups of copper bars (3) are arranged in the shell. The outer walls of the copper bars (3) are wrapped with mica paper (4) except for the ends.

3. The fireproof dense bus duct according to claim 2, characterized in that: The clamping mechanism comprises a connecting rod (6), a connecting rod (6) having a "C"-shaped structure is welded to the outer side surface of the connecting rod (6), the connecting rod (6) comprises a short cross bar, a long cross bar and a vertical bar, the long cross bar of the connecting rod (6) is located on the outer side of the end plate (1), and one end of the short cross bar of the connecting rod (6) is welded to the side surface of the sliding block (5); The vertical rod is integrally formed at the ends of the short cross rod and the long cross rod.

4. The fireproof dense bus duct according to claim 3, characterized in that: The clamping mechanism also includes an external thread (7) formed on the end of the outer wall of the connecting rod (6); a fixing member (8) is fixedly installed on the outer surface of the end plate (1) by bolts; the connection between the fixing member (8) and the end plate (1) is a fixing part; the fixing part is connected to the outer side of the end plate (1) by bolts; a circular hole with the same outer diameter as the connecting rod (6) is provided inside the upper half of the fixing member (8); and a locking nut (9) is threadedly connected to the outer wall of the external thread (7).

5. The fireproof dense bus duct according to claim 4, characterized in that: Both ends of the copper bar (3) are in an outwardly bent state, forming a filling gap between two adjacent ends of the copper bar (3), and the filling gap is used to insert the fireproof board.

6. The fireproof dense bus duct according to claim 5, characterized in that: A gasket is provided at the contact position between the locking nut (9) and the fixing member (8).

7. The fireproof dense bus duct according to claim 1, characterized in that: The outer wall of the sliding block (5) matches the inner wall of the sliding groove (10).

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