Slide rail type terminal bus using open fixed support and using method

Abstract

The application discloses a sliding rail type terminal bus using an open fixing support and a use method, and insulating lower supports are arranged in the middle of a U-shaped shell, and are clamped with protruding ribs provided on the side wall of a copper bar groove through a clamping groove preprocessed on a ground wire row and a plurality of phase rows, and the copper bar groove side wall is inclined and pressed to fix the ground wire row and the plurality of phase rows through the pressing of two trapezoidal wedge blocks. Since only the lower parts of the ground wire row and the plurality of phase rows are clamped and fixed by the insulating lower supports, the upper parts are exposed, the plug-in boxes can be plugged at any position, and the function of arbitrary installation of the sliding rail type bus is realized. When the terminal bus is actually used, the ground wire row and the phase row of the corresponding section can be cut according to the current level, that is, while the plugging requirements are met, the copper bars of different sections can be adapted, as long as the copper bars above the clamping groove remain unchanged, the copper bars below the clamping groove can be cut according to the requirements, so that the requirements of energy saving and cost reduction are realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of busbar system, in particular to a slide rail type terminal busbar using open fixing support and a use method thereof. BACKGROUND

[0002] The terminal busbar is usually composed of a copper conductor and an aluminum alloy shell, and is a kind of terminal power distribution device, which realizes the function of power supply to specific equipment through the matched plug-in box and other devices.

[0003] The terminal busbar system usually uses a fixed support, in order to ensure the stability of the copper bar, the support is designed in a sealed manner, which is simple and easy to implement, but the existence of the support part causes the plug-in box to be unable to be plugged in at the support position (the support interferes with the power outlet), so it is called a fixed busbar in the industry.

[0004] The slide rail type busbar corresponding to the fixed busbar means that the plug-in box cannot be installed at all positions. The slide rail type busbar has the disadvantages of high cost and high installation difficulty, so how to improve the fixed busbar to realize the function of the slide rail type busbar becomes an important direction for improvement of the fixed busbar. SUMMARY

[0005] The present application aims to provide a slide rail type terminal busbar using open fixing support and a use method thereof, which realizes the function of the slide rail type busbar through improvement of the fixed busbar.

[0006] To solve the above technical problems, the present application provides a slide rail type terminal busbar using open fixing support, which comprises a U-shaped shell, a ground wire bar and a plurality of phase bars are arranged in the U-shaped shell.

[0007] A plurality of groups of insulating lower supports are arranged at the bottom of the U-shaped shell along the length direction, a plurality of copper bar grooves are formed in the insulating lower supports, and the ground wire bar and the plurality of phase bars are plugged in the copper bar grooves.

[0008] An insulating upper support is further arranged above the insulating lower supports at both ends of the terminal busbar, the insulating upper support also has copper bar grooves corresponding to the insulating lower supports, and the ground wire bar and the plurality of phase bars are pressed and fixed in the insulating lower supports.

[0009] A plug-in box matched with the terminal busbar is plugged in any position between the insulating lower supports at both ends, and the plug-in box can adjust the plugging position between the insulating lower supports at both ends according to the use requirement.

[0010] Preferably, the U-shaped shell is provided with a ground wire row, a first phase row, a second phase row, a third phase row and a fourth phase row, and the ground wire row, the first phase row, the second phase row, the third phase row and the fourth phase row are respectively inserted into the copper row slot of the insulating lower support.

[0011] Preferably, the ground wire row, the first phase row, the second phase row, the third phase row and the fourth phase row are provided with at least one clamping groove on the side surface, and the clamping groove is clamped with the convex rib provided on the side wall of the copper row slot.

[0012] Preferably, a trapezoidal groove is provided on the insulating lower support between the first phase row and the second phase row, and between the third phase row and the fourth phase row from top to bottom, and a first trapezoidal wedge and a second trapezoidal wedge are respectively inserted into the trapezoidal groove.

[0013] The copper row slot side wall is pressed to fix the ground wire row, the first phase row and the second phase row by pressing down the first trapezoidal wedge.

[0014] The copper row slot side wall is pressed to fix the third phase row and the fourth phase row by pressing down the second trapezoidal wedge.

[0015] Preferably, a deformation groove is provided on the side wall close to the bottom of the trapezoidal groove, and the copper row slot side wall is inclined towards the deformation groove direction to press and fix the ground wire row, the first phase row, the second phase row, the third phase row and the fourth phase row.

[0016] Preferably, a pressing bolt is respectively provided in the first trapezoidal wedge and the second trapezoidal wedge, the pressing bolt is connected with the connecting nut at the bottom of the U-shaped shell through the first trapezoidal wedge and the second trapezoidal wedge, and the first trapezoidal wedge and the second trapezoidal wedge are locked by screwing the pressing bolt.

[0017] Preferably, when the insulating lower support is located at both ends of the terminal bus, the pressing bolt is sequentially threaded through the insulating upper support, the first trapezoidal wedge, the second trapezoidal wedge and the bottom of the U-shaped shell, and is threadedly connected with the connecting nut; the insulating upper support, the first trapezoidal wedge, the second trapezoidal wedge and the U-shaped shell are fixed and pressed by the plurality of pressing bolts, and the ground wire row, the first phase row, the second phase row, the third phase row and the fourth phase row are also fixed and pressed.

[0018] When the insulating lower support is located at the middle position of the terminal bus, the compression bolts are sequentially threaded through the first trapezoidal wedge, the second trapezoidal wedge and the bottom of the U-shaped shell, and are threadedly connected with the connecting nuts; the first trapezoidal wedge, the second trapezoidal wedge and the U-shaped shell can be fixed and compressed by the plurality of compression bolts, so that the ground wire row, the first phase row, the second phase row, the third phase row and the fourth phase row are fixed and compressed.

[0019] Preferably, L-shaped insulating sheets are arranged between the two sides of the insulating lower support and the U-shaped shell respectively, so as to increase the effective insulation distance between the phase row and the U-shaped shell made of aluminum alloy; and the two groups of L-shaped insulating sheets are asymmetrically designed and matched with the fool-proof protrusions on the two sides of the plug-in box.

[0020] The inner wall of the U-shaped shell is attached with a U-shaped insulating film, and the two groups of L-shaped insulating sheets compress the edges of the U-shaped insulating film respectively.

[0021] The first phase row, the second phase row, the third phase row and the fourth phase row are provided with insulating caps near the end of the plug-in box.

[0022] Preferably, an insulating I-shaped protection strip is arranged in the gap between the ground wire row or the phase row along the length direction, and the insulating I-shaped protection strip is plugged into the plug-in slot of the insulating lower support.

[0023] The application also provides a use method of the slide rail type terminal bus using the open type fixed support, which comprises the following steps:

[0024] S1: first, a U-shaped insulating film is arranged on the bottom of the U-shaped shell along the length direction of the bus;

[0025] S2: then, the insulating lower supports are arranged on the U-shaped insulating film along the length direction of the bus at intervals of 500-600 mm;

[0026] S3: then, the ground wire row, the first phase row, the second phase row, the third phase row and the fourth phase row of the corresponding section are cut according to the current level; that is, while ensuring that the plug-in requirement is met, the copper row of different sections can be adapted, as long as the copper row below the clamping groove remains unchanged, the copper row below the clamping groove can be cut according to the requirement;

[0027] S4: then, the ground wire row, the first phase row, the second phase row, the third phase row and the fourth phase row are sequentially inserted into the copper row slots of the insulating lower supports; and the clamping grooves on the sides of the phase row and the ground wire row are clamped with the protrusions arranged on the side walls of the copper row slots;

[0028] S5: Then the first trapezoidal wedge and the second trapezoidal wedge are respectively inserted into the corresponding trapezoidal groove, wherein the downward pressing of the first trapezoidal wedge makes the copper bar groove side wall tightly fix the ground bar, the first phase bar and the second phase bar, and the downward pressing of the second trapezoidal wedge makes the copper bar groove side wall tightly fix the third phase bar and the fourth phase bar;

[0029] S6: Then the insulating upper support is pressed above the insulating lower support located at both ends of the terminal bus, and the ground bar, the first phase bar, the second phase bar, the third phase bar and the fourth phase bar in the insulating lower support are tightly fixed;

[0030] S7: When the insulating lower support is located at both ends of the terminal bus, the compression bolts are sequentially threaded through the insulating upper support, the first trapezoidal wedge, the second trapezoidal wedge and the bottom of the U-shaped shell, and then are threadedly connected with the connecting nuts; the insulating upper support, the first trapezoidal wedge, the second trapezoidal wedge and the U-shaped shell are simultaneously fixed and tightly fixed by the plurality of compression bolts, and the ground bar, the first phase bar, the second phase bar, the third phase bar and the fourth phase bar are tightly fixed;

[0031] S8: When the insulating lower support is located at the middle position of the terminal bus, the compression bolts are sequentially threaded through the first trapezoidal wedge, the second trapezoidal wedge and the bottom of the U-shaped shell, and then are threadedly connected with the connecting nuts; the first trapezoidal wedge, the second trapezoidal wedge and the U-shaped shell are simultaneously fixed and tightly fixed by the plurality of compression bolts, and the ground bar, the first phase bar, the second phase bar, the third phase bar and the fourth phase bar are tightly fixed;

[0032] S9: Then two groups of L-shaped insulating sheets are asymmetrically arranged between the insulating lower support and the U-shaped shell on both sides, and are matched with the foolproof convex ribs on both sides of the plug-in box, so as to realize the foolproof effect of the plug-in direction of the plug-in box 100;

[0033] S10: Then, except for the ground bar, the insulating caps are sleeved on the top of the first phase bar, the second phase bar, the third phase bar and the fourth phase bar to ensure that the ground wire is connected first and the phase wire is connected second when the plug-in box is plugged in; similarly, when the plug-in box 100 is unplugged, the phase wire is disconnected first and the ground wire is disconnected second, so as to ensure the safety of the person and the equipment;

[0034] S11: Then, the insulating I-shaped protection strips are inserted into the gap between the ground bar or the phase bar in the length direction, and the insulating I-shaped protection strips penetrate the whole section of the terminal bus, and cooperate with the insulating caps on the top of the bus phase bar to form a safety protection for the human body, that is, to ensure that the fingers of the person cannot touch the phase bar;

[0035] S12: The two ends of the terminal bus are connected with the adjacent terminal bus through the bus connector, and the spring plugs of the plug-in box are respectively plugged into the ground bar, the first phase bar, the second phase bar, the third phase bar and the fourth phase bar, and can slide to any position except the two ends, meeting the demand of the plug-in box of the sliding rail type bus for arbitrary installation.

[0036] Compared with the prior art, the application has the following advantages:

[0037] 1. The application is characterized in that the insulating lower supports are arranged along the bus length direction at intervals of 500-600 mm in the U-shaped shell, and are clamped and fixed to the ground wire row and the plurality of phase rows by clamping grooves pre-processed on the side faces of the ground wire row and the plurality of phase rows and the protruding ribs arranged on the side walls of the copper bar grooves, and the copper bar grooves are pressed and fixed to the ground wire row and the plurality of phase rows by the two trapezoidal wedges. Since the ground wire row and the plurality of phase rows are only clamped and fixed at the lower parts by the insulating lower supports, the upper parts are exposed, and the plug-in boxes can be plugged in at any position, thereby realizing the function of arbitrary installation of the slide rail type bus;

[0038] 2. In order to reduce the number of trapezoidal wedges, deformation grooves are arranged on the two side walls at the bottom of the trapezoidal groove, the two side walls are inclined outward at the same time when the first trapezoidal wedge is pressed, the first phase row and the second phase row are pressed and fixed at the same time, and a waist-shaped deformation groove is arranged on the side wall of the copper bar groove of the ground wire row close to the first phase row, the pressing force of the first trapezoidal wedge is transmitted to the side wall of the copper bar groove of the ground wire row through the first phase row, so as to press and fix the ground wire row;

[0039] 3. The two end positions of the terminal bus are generally the connection positions of two bus sections, and there is no need for plugging, so the insulating upper supports are further arranged above the insulating lower supports at the two ends of the terminal bus, so as to further press and fix the ground wire row and the plurality of phase rows outward, thereby ensuring the safety of the bus phase row from being pulled out in essence;

[0040] 4. L-shaped insulating sheets are arranged between the two sides of the insulating lower supports of the terminal bus and the U-shaped shell, so as to increase the effective insulation distance between the phase row and the aluminum alloy U-shaped shell, and further improve the insulation performance; and the two groups of L-shaped insulating sheets are asymmetrically designed, are matched with the fool-proof ribs on the two sides of the plug-in box, and realize the fool-proof effect on the plugging direction of the plug-in box;

[0041] 5. The insulating I-shaped protection strips are arranged in the gaps between the ground wire row and the phase rows along the length direction of the terminal bus, are plugged into the plug-in grooves of the insulating lower supports, and penetrate the whole terminal bus, and cooperate with the insulating protection caps on the top of the bus phase row to form the safety protection for the human body, i.e. to prevent the fingers from touching the phase row; further, in addition to the ground wire row, the insulating caps are arranged on the top of the first phase row, the second phase row, the third phase row and the fourth phase row, so as to ensure that the ground wire is connected first and then the phase wire is connected when the plug-in box is plugged in; similarly, when the plug-in box is unplugged, the phase wire is disconnected first and then the ground wire is disconnected, so as to ensure the safety of the human body and the equipment;

[0042] 6. When the terminal bus is actually used, the ground wire row, the first phase row, the second phase row, the third phase row and the fourth phase row can be tailored according to the current level; that is, while ensuring that the plugging requirements are met, copper rows of different sections can be adapted, as long as the copper rows below the clamping grooves are tailored according to the needs under the condition that the clamping grooves and the copper rows above the clamping grooves remain unchanged, so that the requirements of energy saving and cost reduction are realized. BRIEF DESCRIPTION OF DRAWINGS

[0043] Figure 1 is a structural schematic view of a sliding rail type terminal bus using an open type fixed support provided by the present application;

[0044] Figure 2 is a top view of a sliding rail type terminal bus using an open type fixed support provided by the present application;

[0045] Figure 3 is a side sectional view of a sliding rail type terminal bus using an open type fixed support provided by the present application;

[0046] Figure 4 is a front view of a sliding rail type terminal bus using an open type fixed support provided by the present application;

[0047] Figure 5 is a sectional view of the sliding rail type terminal bus at A-A using an open type fixed support provided by the present application;

[0048] Figure 6 is a structural schematic view of an insulating lower support provided by the present application;

[0049] Figure 7 is a sectional view of an insulating lower support provided by the present application;

[0050] Figure 8 is a connection structure schematic view of an insulating lower support and an insulating upper support provided by the present application;

[0051] Figure 9 is an internal structure schematic view of the connection of an insulating lower support and an insulating upper support provided by the present application;

[0052] Figure 10 is a sectional view of the sliding rail type terminal bus at B-B using an open type fixed support provided by the present application;

[0053] Figure 11 is a front view of a terminal bus after the ground wire row and the phase row are tailored.

[0054] In the figure: 1, U-shaped shell; 2, insulating lower support; 3, insulating upper support; 4, convex rib; 5, trapezoidal groove; 6, first trapezoidal wedge; 7, second trapezoidal wedge; 8, deformation groove; 9, compression bolt; 10, connecting nut; 11, L-shaped insulating sheet; 12, U-shaped insulating film; 13, insulating cap; 14, insulating I-shaped protective strip; 100, plug-in box; 101, ground wire row; 102, first phase row; 103, second phase row; 104, third phase row; 105, fourth phase row. DETAILED DESCRIPTION

[0055] The present application will be further described below in conjunction with the drawings and specific embodiments. The advantages and features of the present application will be more apparent from the following description and claims. It should be noted that the drawings are very simplified and all use non-precise proportions, only for the purpose of facilitating, clarifying and assisting in the description of the embodiments of the present application.

[0056] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" and the like can be explicitly or implicitly included one or more. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0057] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0058] Example one

[0059] The present application provides a sliding rail type terminal bus using an open fixed support, please refer to Figures 1-3, including U-shaped shell 1, a ground wire row and a plurality of phase rows are arranged in the U-shaped shell 1; a plurality of groups of insulating lower supports 2 are arranged at the bottom of the U-shaped shell 1 along the length direction, a plurality of copper bar grooves are formed in the insulating lower supports 2, and the ground wire row and the plurality of phase rows are inserted; the insulating upper supports 3 are further arranged above the insulating lower supports 2 at the two ends of the terminal bus, the insulating upper supports 3 are also provided with copper bar grooves corresponding to the insulating lower supports 2, and the ground wire row and the plurality of phase rows are tightly fixed in the insulating lower supports 2; the plug-in box 100 matched with the terminal bus is plugged in any position between the two insulating lower supports 2, and the plug-in box 100 can adjust the plug-in position between the two insulating lower supports 2 according to the use requirement.

[0060] The insulating lower supports are arranged in the U-shaped shell along the length direction of the bus at intervals of 500-600 mm, the protruding ribs arranged on the side walls of the copper bar grooves are clamped through the clamping grooves pre-processed on the side faces of the ground wire row and the plurality of phase rows, and the copper bar grooves are inclined and tightly fixed to the ground wire row and the plurality of phase rows through the downward pressing of the two trapezoidal wedges.

[0061] Specifically, please refer to Figure 4 The ground wire row 101, the first phase row 102, the second phase row 103, the third phase row 104 and the fourth phase row 105 are arranged in the U-shaped shell 1, and the ground wire row 101, the first phase row 102, the second phase row 103, the third phase row 104 and the fourth phase row 105 are inserted into the copper bar grooves of the insulating lower supports 2. The first phase row 102, the second phase row 103, the third phase row 104 and the fourth phase row 105 are generally A-phase copper bars, B-phase copper bars, C-phase copper bars and N-phase copper bars.

[0062] Further, at least one clamping groove is formed in the side face of the ground wire row 101, the first phase row 102, the second phase row 103, the third phase row 104 and the fourth phase row 105, and the protruding ribs 4 arranged on the side walls of the copper bar grooves are clamped.

[0063] Further, please refer to Figures 5-7A trapezoidal groove 5 is formed on the insulating lower support 2 between the first phase row 102 and the second phase row 103, and between the third phase row 104 and the fourth phase row 105, and a first trapezoidal wedge 6 and a second trapezoidal wedge 7 are respectively inserted into the trapezoidal groove; the copper bar groove side wall is pressed to tightly fix the ground wire row 101, the first phase row 102 and the second phase row 103 by the depression of the first trapezoidal wedge 6; the copper bar groove side wall is pressed to tightly fix the third phase row 104 and the fourth phase row 105 by the depression of the second trapezoidal wedge 7.

[0064] In some embodiments, a deformation groove 8 is formed on the side wall near the bottom of the trapezoidal groove 5, and the copper bar groove side wall is inclined towards the deformation groove 8, and the ground wire row 101, the first phase row 102, the second phase row 103, the third phase row 104 and the fourth phase row 105 are tightly fixed. In order to reduce the number of trapezoidal wedges, deformation grooves 8 are formed on both side walls at the bottom of the trapezoidal groove 5, and when the first trapezoidal wedge 6 is depressed, both side walls are inclined outward at the same time, and the first phase row 102 and the second phase row 103 are tightly fixed at the same time; and a waist-shaped deformation groove is formed on the side wall of the copper bar groove near the first phase row 102, and the depression force of the first trapezoidal wedge 6 is transmitted to the side wall of the copper bar groove of the ground wire row 101 through the first phase row 102, so as to tightly fix the ground wire row 101.

[0065] Specifically, please refer to Figure 8 and Figure 9 A compression screw 9 is respectively arranged through the first trapezoidal wedge 6 and the second trapezoidal wedge 7, the compression screw 9 is connected with the connecting nut 10 at the bottom of the U-shaped shell 1 through the first trapezoidal wedge 6 and the second trapezoidal wedge 7, and the first trapezoidal wedge 6 and the second trapezoidal wedge 7 are locked by the rotation of the compression screw 9.

[0066] When the insulating lower support 2 is located at both ends of the terminal bus, the compression screw 9 is sequentially arranged through the insulating upper support 3, the first trapezoidal wedge 6, the second trapezoidal wedge 7 and the bottom of the U-shaped shell 1, and is threadedly connected with the connecting nut 10; the insulating upper support 3, the first trapezoidal wedge 6, the second trapezoidal wedge 7 and the U-shaped shell 1 are simultaneously fixed and tightly fixed by the ground wire row 101, the first phase row 102, the second phase row 103, the third phase row 104 and the fourth phase row 105 through a plurality of compression screws 9.

[0067] When the insulating lower support 2 is located at the middle position of the terminal bus, the compression bolts 9 are sequentially threaded through the first trapezoidal wedge 6, the second trapezoidal wedge 7 and the bottom of the U-shaped shell 1, and are then screwed with the connecting nuts 10; the first trapezoidal wedge 6, the second trapezoidal wedge 7 and the U-shaped shell 1 can be fixed and compressed by the plurality of compression bolts 9, so as to fix and compress the ground wire row 101, the first phase row 102, the second phase row 103, the third phase row 104 and the fourth phase row 105.

[0068] Specifically, please refer to Figure 10 L-shaped insulation pieces 11 are arranged between the two sides of the insulating lower support 2 and the U-shaped shell 1, so as to increase the effective insulation distance between the phase row and the U-shaped shell 1 made of aluminum alloy, and further improve the insulation performance; and the two groups of L-shaped insulation pieces 11 are asymmetrically designed, and are matched with the fool-proof convex ribs on the two sides of the plug-in box 100, so as to realize the fool-proof effect of the plug-in direction of the plug-in box 100.

[0069] In some embodiments, U-shaped insulation films 12 are attached to the inner walls of the U-shaped shell 1, and the two groups of L-shaped insulation pieces 11 compress the edges of the U-shaped insulation films 12 respectively, so as to play the role of closing the edges of the insulation films.

[0070] In some embodiments, the first phase row 102, the second phase row 103, the third phase row 104 and the fourth phase row 105 are provided with insulation caps 13 near the end of the plug-in box 100, and the ground wire row 101 does not need to be provided, so as to protect the personnel and reduce the risk of electric shock.

[0071] Specifically, the insulating I-shaped protection strips 14 are arranged in the gaps between the ground wire rows or the phase rows along the length direction, and the insulating I-shaped protection strips 14 are plugged into the plug-in slots of the insulating lower supports 2.

[0072] Further, the insulating I-shaped protection strips 14 are threaded through the whole section of the terminal bus, and cooperate with the insulation protection caps 13 at the top of the bus phase row to form the safety protection for the human body, that is, to ensure that the fingers of the person cannot touch the phase row.

[0073] Embodiment two

[0074] The application also provides a use method of the slide rail type terminal bus using the open type fixed support, please refer to Figures 1-11 , comprising the following steps:

[0075] S1: first, the U-shaped insulation film 12 is arranged on the bottom of the U-shaped shell 1 along the length direction of the bus;

[0076] S2: then, the insulating lower supports 2 are arranged on the U-shaped insulation film 12 along the length direction of the bus at intervals of 500-600 mm;

[0077] S3: Then according to the current level, the corresponding section of the ground wire row 101, the first phase row 102, the second phase row 103, the third phase row 104 and the fourth phase row 105 are cut; that is, while ensuring to meet the plug-in requirements, copper rows of different sections can be adapted, as long as the copper rows below the card slot remain unchanged, the copper rows below the card slot can be cut according to needs;

[0078] S4: Then the ground wire row 101, the first phase row 102, the second phase row 103, the third phase row 104 and the fourth phase row 105 are sequentially inserted into the corresponding copper row slot of the insulating lower support 2; and the card slots on the sides of the phase row and the ground wire row are clamped with the protrusions 4 arranged on the side walls of the copper row slot;

[0079] S5: Then the first trapezoidal wedge 6 and the second trapezoidal wedge 7 are respectively inserted into the corresponding trapezoidal slot, wherein the depression of the first trapezoidal wedge 6 causes the copper row slot side wall to tightly fix the ground wire row 101, the first phase row 102 and the second phase row 103, and the depression of the second trapezoidal wedge 7 causes the copper row slot side wall to tightly fix the third phase row 104 and the fourth phase row 105;

[0080] S6: Then the insulating upper support 3 is pressed on the insulating lower support 2 located at both ends of the terminal bus, and tightly fixes the ground wire row 101, the first phase row 102, the second phase row 103, the third phase row 104 and the fourth phase row 105 therein;

[0081] S7: When the insulating lower support 2 is located at both ends of the terminal bus, the compression bolts 9 are sequentially threaded through the insulating upper support 3, the first trapezoidal wedge 6, the second trapezoidal wedge 7 and the bottom of the U-shaped shell 1, and are then screwed with the connecting nuts 10; through multiple compression bolts 9, the insulating upper support 3, the first trapezoidal wedge 6, the second trapezoidal wedge 7 and the U-shaped shell 1 can be fixed and tightly fixed, and the ground wire row 101, the first phase row 102, the second phase row 103, the third phase row 104 and the fourth phase row 105 can be tightly fixed;

[0082] S8: When the insulating lower support 2 is located at the middle position of the terminal bus, the compression bolts 9 are sequentially threaded through the first trapezoidal wedge 6, the second trapezoidal wedge 7 and the bottom of the U-shaped shell 1, and are then screwed with the connecting nuts 10; through multiple compression bolts 9, the first trapezoidal wedge 6, the second trapezoidal wedge 7 and the U-shaped shell 1 can be fixed and tightly fixed, and the ground wire row 101, the first phase row 102, the second phase row 103, the third phase row 104 and the fourth phase row 105 can be tightly fixed;

[0083] S9: Then two groups of L-shaped insulating sheets 11 are asymmetrically arranged between the two sides of the insulating lower support 2 and the U-shaped shell 1, and are adapted to the foolproof ribs on both sides of the plug-in box 100, realizing the foolproof effect of the plug-in direction of the plug-in box 100;

[0084] S10: Then, in addition to the ground wire row 101, the insulating caps 13 are sleeved on the top of the first phase row 102, the second phase row 103, the third phase row 104 and the fourth phase row 105, so that when the plug-in box 100 is plugged in, the ground wire is connected first, and then the phase wire is connected; similarly, when the plug-in box 100 is unplugged, the phase wire is disconnected first, and then the ground wire is disconnected, thereby ensuring the safety of the person and the equipment;

[0085] S11: Then, the insulating I-shaped protection strip 14 is inserted in the gap between the ground wire row or the phase row along the length direction, and the insulating I-shaped protection strip 14 penetrates the whole section of the terminal bus, and cooperates with the insulating cap 13 on the top of the phase row to form the safety protection for the human body, that is, to ensure that the fingers of the person cannot touch the phase row;

[0086] S12: The terminal bus is connected with the adjacent terminal bus through the bus connectors at both ends, and the spring plug of the plug-in box 100 is respectively plugged with the ground wire row 101, the first phase row 102, the second phase row 103, the third phase row 104 and the fourth phase row 105, and can slide to any position except the two ends, thereby meeting the requirement of the plug-in box of the sliding rail type bus for any installation.

[0087] In actual use of the terminal bus, the ground wire row, the first phase row, the second phase row, the third phase row and the fourth phase row of the corresponding section can be cut according to the current level; that is, while ensuring to meet the plugging requirement, the copper row of different sections can be adapted, as long as the copper row below the clamping groove and the copper row above the clamping groove are unchanged, the copper row below the clamping groove can be cut according to the requirement, thereby realizing the requirement of energy saving and cost reduction.

[0088] The above description is only a description of the preferred embodiment of the present application, and does not limit the scope of the present application in any way, and any modification or modification of the present application by a person skilled in the art according to the above disclosure is within the protection scope of the claims.

Claims

1. A sliding rail type busbar using an open fixed support, characterized by, Including a U-shaped shell (1), a ground wire row and a plurality of phase rows are arranged in the U-shaped shell (1); The U-shaped shell (1) is arranged with a ground wire row (101), a first phase row (102), a second phase row (103), a third phase row (104) and a fourth phase row (105), and the ground wire row (101), the first phase row (102), the second phase row (103), the third phase row (104) and the fourth phase row (105) are respectively inserted into the copper row slot of the insulating lower support (2); The ground wire row (101), the first phase row (102), the second phase row (103), the third phase row (104) and the fourth phase row (105) are provided with at least one clamping groove on the side, and the clamping groove is clamped with the convex rib (4) arranged on the side wall of the copper row slot; A trapezoidal groove (5) is formed from top to bottom on the insulating lower support (2) between the first phase row (102) and the second phase row (103), and between the third phase row (104) and the fourth phase row (105), and a first trapezoidal wedge (6) and a second trapezoidal wedge (7) are respectively inserted into the trapezoidal groove; The copper row slot side wall is pressed to fix the ground wire row (101), the first phase row (102) and the second phase row (103) by pressing the first trapezoidal wedge (6); The copper row slot side wall is pressed to fix the third phase row (104) and the fourth phase row (105) by pressing the second trapezoidal wedge (7); The trapezoidal groove (5) is provided with a deformation groove (8) on the side wall close to the bottom, and the copper row slot side wall is inclined towards the deformation groove (8), and the ground wire row (101), the first phase row (102), the second phase row (103), the third phase row (104) and the fourth phase row (105) are tightly fixed; The first trapezoidal wedge (6) and the second trapezoidal wedge (7) are respectively provided with a pressing bolt (9), and the pressing bolt (9) is connected with the connecting nut (10) at the bottom of the U-shaped shell (1) through the first trapezoidal wedge (6) and the second trapezoidal wedge (7), and the first trapezoidal wedge (6) and the second trapezoidal wedge (7) are locked by rotating the pressing bolt (9); A plurality of groups of insulating lower supports (2) are arranged at intervals along the length direction at the bottom of the U-shaped shell (1), and a plurality of copper row slots are formed on the insulating lower support (2) for inserting the ground wire row and the plurality of phase rows; An insulating upper support (3) is further arranged above the insulating lower support (2) at the two ends of the terminal bus, and the insulating upper support (3) is also provided with copper row slots corresponding to the insulating lower support (2), and the ground wire row and the plurality of phase rows are tightly fixed in the insulating lower support (2); The plug-in box (100) matched with the terminal bus is plugged into any position between the two ends of the insulating lower support (2), and the plug-in box (100) can adjust the plug-in position between the two ends of the insulating lower support (2) according to the use requirement.

2. A slide rail type terminal bus using an open fixed support according to claim 1, wherein When the insulating lower support (2) is located at both ends of the terminal bus, the compression bolt (9) penetrates the insulating upper support (3), the first trapezoidal wedge (6), the second trapezoidal wedge (7) and the bottom of the U-shaped shell (1) in turn and is threadedly connected with the connecting nut (10) after the bottom of the U-shaped shell (1); a plurality of the compression bolts (9) can simultaneously fix the insulating upper support (3), the first trapezoidal wedge (6), the second trapezoidal wedge (7) and the U-shaped shell (1) and compressively fix the ground wire row (101), the first phase row (102), the second phase row (103), the third phase row (104) and the fourth phase row (105). When the insulating lower support (2) is located at the middle position of the terminal bus, the compression bolt (9) penetrates the first trapezoidal wedge (6), the second trapezoidal wedge (7) and the bottom of the U-shaped shell (1) in turn and is threadedly connected with the connecting nut (10) after the bottom of the U-shaped shell (1); a plurality of the compression bolts (9) can simultaneously fix the first trapezoidal wedge (6), the second trapezoidal wedge (7) and the U-shaped shell (1) and compressively fix the ground wire row (101), the first phase row (102), the second phase row (103), the third phase row (104) and the fourth phase row (105).

3. A slide rail type busbar using an open fixing bracket according to claim 2, wherein L-shaped insulating sheets (11) are respectively arranged between the two sides of the insulating lower support (2) and the U-shaped shell (1), which can increase the effective insulation distance between the phase row and the aluminum alloy U-shaped shell (1); and the two groups of L-shaped insulating sheets (11) are asymmetrically designed and matched with the foolproof protruding ribs on the two sides of the plug-in box (100); A U-shaped insulating film (12) is attached to the inner wall of the U-shaped shell (1), and the two groups of L-shaped insulating sheets (11) compress the edges of the U-shaped insulating film (12) respectively; The first phase row (102), the second phase row (103), the third phase row (104) and the fourth phase row (105) are provided with insulating caps (13) near the end portions of the plug-in box (100).

4. The slide rail type busbar using an open fixing support according to claim 3, wherein Insulating I-shaped protection strips (14) are arranged in the gaps between the ground wire rows or phase rows along the length direction and are plugged into the plug-in slots of the insulating lower support (2).

5. A method of using a slide rail type terminal bus using an open fixed support according to any one of claims 1 to 4, characterized in that, The method comprises the following steps: S1: First, a U-shaped insulating film (12) is arranged on the bottom of the U-shaped shell (1) along the length direction of the bus; S2: Then, the insulating lower supports (2) are arranged on the U-shaped insulating film (12) along the length direction of the bus at intervals of 500-600 mm; S3: Then, the ground wire row (101), the first phase row (102), the second phase row (103), the third phase row (104) and the fourth phase row (105) are cut according to the current level; S4: Then, the ground wire row (101), the first phase row (102), the second phase row (103), the third phase row (104) and the fourth phase row (105) are inserted into the corresponding copper row slots of the insulating lower support (2) in turn; and the clamping grooves on the sides of the phase row and the ground wire row are clamped with the protrusions (4) arranged on the side walls of the copper row slots. S5: Then the first trapezoidal wedge (6) and the second trapezoidal wedge (7) are inserted into the corresponding trapezoidal groove respectively, wherein the lower pressing of the first trapezoidal wedge (6) makes the copper bar groove side wall tightly fix the ground wire row (101), the first phase row (102) and the second phase row (103), and the lower pressing of the second trapezoidal wedge (7) makes the copper bar groove side wall tightly fix the third phase row (104) and the fourth phase row (105); S6: Then the insulating upper support (3) is pressed above the insulating lower support (2) located at both ends of the terminal bus, and is tightly fixed with the ground wire row (101), the first phase row (102), the second phase row (103), the third phase row (104) and the fourth phase row (105) in the insulating lower support (2); S7: When the insulating lower support (2) is located at both ends of the terminal bus, the compression bolts (9) are sequentially penetrated through the insulating upper support (3), the first trapezoidal wedge (6), the second trapezoidal wedge (7) and the bottom of the U-shaped shell (1), and are threadedly connected with the connecting nuts (10); through the plurality of compression bolts (9), the insulating upper support (3), the first trapezoidal wedge (6), the second trapezoidal wedge (7) and the U-shaped shell (1) can be fixed and tightly fixed at the same time, and the ground wire row (101), the first phase row (102), the second phase row (103), the third phase row (104) and the fourth phase row (105) can be tightly fixed; S8: When the insulating lower support (2) is located at the middle position of the terminal bus, the compression bolts (9) are sequentially penetrated through the first trapezoidal wedge (6), the second trapezoidal wedge (7) and the bottom of the U-shaped shell (1), and are threadedly connected with the connecting nuts (10); through the plurality of compression bolts (9), the first trapezoidal wedge (6), the second trapezoidal wedge (7) and the U-shaped shell (1) can be fixed and tightly fixed at the same time, and the ground wire row (101), the first phase row (102), the second phase row (103), the third phase row (104) and the fourth phase row (105) can be tightly fixed; S9: Then two groups of L-shaped insulating sheets (11) are asymmetrically arranged between the insulating lower support (2) and the U-shaped shell (1) on both sides, and are matched with the foolproof convex ribs on both sides of the plug-in box (100), so as to realize the foolproof effect of the plug-in direction of the plug-in box (100); S10: Then, except for the ground wire row (101), the insulating caps (13) are sleeved on the top of the first phase row (102), the second phase row (103), the third phase row (104) and the fourth phase row (105), so as to ensure that the ground wire is connected first and then the phase wire when the plug-in box (100) is plugged in; similarly, when the plug-in box (100) is unplugged, the phase wire is disconnected first and then the ground wire, so as to ensure the safety of the person and the equipment; S11: Then, the insulating I-shaped protection strips (14) are inserted into the gap between the ground wire row or the phase row along the length direction, the insulating I-shaped protection strips (14) penetrate the whole section of the terminal bus, and cooperate with the insulating caps (13) on the top of the bus phase row to form a safety protection for the human body, that is, to ensure that the fingers of the person cannot touch the phase row. S12: the two ends of the terminal bus are connected with adjacent terminal buses through bus connectors, and the spring plug of the plug-in box (100) is respectively plugged with the ground wire row (101), the first phase row (102), the second phase row (103), the third phase row (104) and the fourth phase row (105), and can slide to any position except the two ends, meeting the demand of arbitrary installation of the plug-in box of the sliding rail type bus.

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