Insulation tube bus pouring flange device

Abstract

The utility model relates to a pouring flange device, in particular to an insulating tube bus pouring flange device, which comprises a first flange and a second flange. The first flange is fixed at the end part of the bus conductor, the second flange is an annular component and is fixed on the outer wall of the bus conductor through an inner hole, the bus conductor is provided with a connecting and guiding section which is not coated with an insulating layer, and the second flange is fixed at the end part, close to the first flange, of the connecting and guiding section; a heat shrink tube is arranged outside the bus conductor, one end of the heat shrink tube is connected with the first flange, the other end of the heat shrink tube is connected with the second flange, and the bus conductor, the heat shrink tube, the first flange and the second flange define an epoxy resin pouring cavity used for pouring epoxy resin to form an insulating layer. The first flange is provided with a first flange communicating hole communicating with the epoxy resin pouring cavity, and the second flange is provided with a second flange communicating hole communicating with the epoxy resin pouring cavity. And a high-voltage conductor is randomly reserved under the condition that the bus is not disconnected, so that a lightning arrester or a cable can be conveniently led and connected.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pouring flange device, concretely relates to an insulating tube busbar pouring flange device. BACKGROUND

[0002] The insulating tube busbar is a new type of power transmission equipment, usually adopts the hollow copper pipe or aluminum pipe as the conductor, the conductor outer surface is covered with the insulating material, the insulating material generally adopts the epoxy resin pouring to form, the shell of insulating tube busbar protects the conductor and insulating layer inside. For the whole section insulating busbar, the lightning arrester or cable interface needs to be reserved at the specified position, and the busbar section is continuous, the original process can only disconnect the busbar, utilize the terminal to lead out the copper bar, which is time-consuming and laborious and inconvenient to operate. SUMMARY

[0003] In view of the defects in the prior art, the utility model aims at providing an insulating tube busbar pouring flange device for reserving a section of semi-insulating copper pipe to lead the cable for the whole insulating busbar body, realizing the reservation of the cable or lightning arrester interface at any position without disconnecting the busbar. The utility model is suitable for reserving a section of semi-insulating copper pipe to lead the cable for the whole insulating busbar body.

[0004] To achieve the above object, the utility model adopts the technical scheme of an insulating tube busbar pouring flange device, which comprises a first flange and a second flange; the first flange is fixed to the end of the busbar conductor, the second flange is a ring-shaped component, the second flange is fixed to the outer wall of the busbar conductor through the inner hole, the busbar conductor has a leading section without covering the insulating layer, the second flange is fixed to the end of the leading section close to the first flange; a heat shrink tube is arranged outside the busbar conductor, one end of the heat shrink tube is connected with the first flange, the other end of the heat shrink tube is connected with the second flange, the busbar conductor, the heat shrink tube, the first flange and the second flange form an epoxy resin pouring cavity, the epoxy resin is poured into the epoxy resin pouring cavity to form the insulating layer, a first flange communication hole is arranged on the first flange to communicate with the epoxy resin pouring cavity, and a second flange communication hole is arranged on the second flange to communicate with the epoxy resin pouring cavity.

[0005] Further, the first flange and the second flange are both two, the two first flanges are respectively fixed to the two ends of the busbar conductor, the two second flanges are respectively fixed to the two ends of the leading section, two independent epoxy resin pouring cavities are formed on the two sides of the leading section, and the two epoxy resin pouring cavities are respectively poured.

[0006] Further, the first flange and the second flange are welded and fixed with the busbar conductor.

[0007] Further, the first flange is fixed to the end face of the busbar conductor to close the conductor end, and a terminal is arranged on the first flange. Further, the first flange is fixed to the end face of the busbar conductor to close the conductor end, and a terminal is arranged on the first flange.

[0008] Further, the first flange and the second flange are arranged in the pipe holes at two ends of the heat shrinkable tube respectively, and the heat shrinkable tube is gathered on the outer circumferential surfaces of the first flange and the second flange after heat shrinkage, so that the two ends of the heat shrinkable tube are sealed with the first flange and the second flange.

[0009] Further, the first flange communication hole is two and is arranged on the first flange at intervals of 180°, and the second flange communication hole is two and is arranged on the second flange at intervals of 180°.

[0010] Further, the busbar conductor is a hollow copper pipe.

[0011] Further, the insulating layer is externally provided with an umbrella skirt.

[0012] Further, the connecting lead of the connecting section is wound with a cold winding belt for insulation.

[0013] Further, the first flange is an injection flange, the first flange communication hole is an injection hole, the second flange is an outlet flange, the second flange communication hole is an outlet hole, the busbar conductor is first installed on the second flange, then the heat shrinkable tube and the first flange are installed, the heat shrinkable tube is heated and shrunk by a clear fire, and then an epoxy resin pouring cavity is formed by the busbar conductor, the first flange and the second flange, epoxy resin is poured into the epoxy resin pouring cavity through the first flange communication hole of the first flange, and the excess epoxy resin is overflowed from the second flange communication hole of the second flange, and the connecting lead of the connecting section is wound with a cold winding belt for double-layer insulation.

[0014] The insulating tube bus pouring flange device has the advantages that the insulating tube bus pouring flange device can reserve high-voltage conductors at will without breaking the bus, and facilitates the connection of lightning arresters or cables. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the insulating tube bus pouring flange device.

[0016] Figure 2 It is an enlarged view of an injection end.

[0017] Figure 3 It is an enlarged view of an outlet end.

[0018] Figure 4 It is a structure schematic view of an outlet flange.

[0019] In the drawing: 1, injection flange, 2, injection hole, 3, outlet flange, 4, outlet hole, 5, busbar conductor, 6, connecting section, 7, epoxy resin insulating layer, 8, heat shrinkable tube, 9, umbrella skirt, 10, terminal. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings. In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0021] Referring to the drawings Figures 1-4 An insulating tube bus pouring flange device, comprising a pouring flange 1 and a discharging flange 3; the pouring flange 1 is welded and fixed to the end of the bus conductor 3, the discharging flange 2 is an annular component, the discharging flange 2 is welded and fixed to the outer wall of the bus conductor 5 through an inner hole, the bus conductor 5 has a non-resin-insulated layer connecting section 6, along the pouring direction, the discharging flange 2 is fixed to the front end of the connecting section 6; the outer part of the bus conductor 5 is provided with a heat shrink tube 8, one end of the heat shrink tube 8 is connected with the pouring flange 1, the other end of the heat shrink tube 8 is connected with the discharging flange 3, the bus conductor 5, the heat shrink tube 8, the pouring flange 1 and the discharging flange 3 form an epoxy resin pouring cavity, the pouring flange is provided with a pouring hole 2 communicating with the epoxy resin pouring cavity, the epoxy resin is poured into the epoxy resin pouring cavity through the pouring hole 2 to form the resin insulation layer 7, the outer part of the insulation layer is provided with an umbrella skirt 9, the discharging flange 3 is provided with a discharging hole 4 communicating with the epoxy resin pouring cavity, the excess epoxy resin overflows from the discharging hole 4 during pouring, and the connecting section 6 is connected with a lead wire and then wound with a cold winding belt for insulation.

[0022] Based on the above technical scheme, it should be noted that the embodiment adopts a pouring mode from the end of the bus conductor 5 and a discharging mode from the connecting section 6, and in actual use, the pouring mode can also be from the connecting section 6 of the bus conductor and the discharging mode can be from the end of the bus conductor 5, and this mode also belongs to the protection scope of the present application. In application, the pouring flange without a terminal is welded at a specified position of the bus conductor, the pouring flanges with terminals on both sides are welded on the bus conductor, then the feeding pipe and the discharging pipe are installed according to the feeding direction, the resin is poured, and the bus is formed. By using the pouring flange, the front end of the pouring flange or one section thereof is made into a high-pressure part, which is convenient for connecting a cable or a lightning arrester. The above scheme can realize the pouring of the insulation layer of the bus conductor by using one set of pouring flange 1 and discharging flange 3, that is, the connecting section is located at one end away from the pouring flange, and the epoxy resin is no longer poured behind the discharging flange.

[0023] In another embodiment, the pouring flange 1 and the discharging flange 3 are two groups, two pouring flanges 1 are respectively fixed to the two ends of the bus conductor 5, and pouring is respectively performed from the two ends of the bus conductor 5.

[0024] Based on the above technical scheme, it should be noted that the scheme of adopting two sets of injection flanges and discharge flanges is used for the insulating busbar structure of the connecting section located in the middle of the bus conductor, and the connecting section needs to be poured with epoxy resin on both sides, at which time the injection flanges at both ends of the bus conductor are used for injection.

[0025] Further, the injection flange 1 is fixed on the end face of the bus conductor 5 and used for closing the conductor end; and the injection flange 1 is provided with a terminal 10.

[0026] Further, the injection flange 1 and the discharge flange 3 are arranged in the pipe holes at both ends of the heat shrink tube 8, and the heat shrink tube 8 is gathered on the outer circumferential surface of the injection flange 1 and the discharge flange 3 after heat shrinkage, so that both ends of the heat shrink tube 8 are sealed with the injection flange 1 and the discharge flange 3.

[0027] Further, the injection hole 2 is two and arranged on the injection flange 1 at intervals of 180 degrees; and the discharge hole 4 is two and arranged on the discharge flange 3 at intervals of 180 degrees.

[0028] Further, the bus conductor 5 is a hollow copper pipe.

[0029] Further, the bus conductor 5 is first arranged with the discharge flange 3, then arranged with the heat shrink tube 8 and the injection flange 1, the heat shrink tube 8 forms a sealed epoxy resin pouring cavity with the bus conductor 5, the injection flange 1 and the discharge flange 3 after heat shrinkage by open fire, the heat shrink tube 8 pours the epoxy resin into the epoxy resin pouring cavity through the injection hole 2 of the injection flange 1 after heat shrinkage, and the excess epoxy resin overflows from the discharge hole 4 of the discharge flange 3; and the connecting lead of the connecting section 6 is wound with a cold winding belt for double-layer insulation.

[0030] The utility model discloses a pouring flange is installed at the place where the bus cannot be disconnected, and the high-pressure copper pipe can be arranged at will, the lightning arrester or cable is convenient to lead and connect, and the design requirement is satisfied.

[0031] It should be noted that the part not described in the utility model is prior art.

[0032] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is the orientation or positional relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0033] In addition, the terms "first", "second", "third", etc. are used herein for descriptive purposes only and should not be construed as indicating or implying relative importance or an ordered sequence. Thus, features defined with "first", "second" or "third" can include at least one of the features, explicitly or implicitly. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0034] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; 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; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. 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.

[0035] In the present application, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0036] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and are not the only embodiment.

[0037] The above is only the best embodiment of the present application. Obviously, the present application is not limited to the above embodiments, and there can be many variations. All variations that can be directly derived or inferred from the content disclosed in the present application by those skilled in the art should be considered as falling within the scope of protection of the present application.

Claims

1. A casting flange device for an insulated busbar, characterized in that: The system includes a first flange and a second flange. The first flange is fixed to the end of the busbar conductor. The second flange is an annular component and is fixed to the outer wall of the busbar conductor through an inner hole. The busbar conductor has a lead-in section without an insulating layer. The second flange is fixed to the end of the lead-in section near the first flange. A heat-shrinkable tube is provided on the outside of the busbar conductor. One end of the heat-shrinkable tube is connected to the first flange, and the other end of the heat-shrinkable tube is connected to the second flange. The busbar conductor, the heat-shrinkable tube, the first flange, and the second flange together form an epoxy resin casting cavity. Epoxy resin is poured into the epoxy resin casting cavity to form the insulating layer. The first flange has a first flange connecting hole that communicates with the epoxy resin casting cavity, and the second flange has a second flange connecting hole that communicates with the epoxy resin casting cavity.

2. The insulated busbar casting flange device according to claim 1, characterized in that: There are two first flanges and two second flanges. The two first flanges are fixed to both ends of the bus conductor, and the two second flanges are fixed to both ends of the connection section. Two independent epoxy resin casting cavities are formed on both sides of the connection section, and the two epoxy resin casting cavities are filled with epoxy resin respectively.

3. The insulated busbar casting flange device according to claim 1, characterized in that: The first flange and the second flange are welded and fixed to the busbar conductor.

4. The insulated busbar casting flange device according to claim 1, characterized in that: The first flange is fixed to the end face of the busbar conductor to seal the end of the conductor; the first flange is provided with a terminal block.

5. The insulated busbar casting flange device according to claim 1, characterized in that: The first flange and the second flange are respectively disposed in the tube holes at both ends of the heat shrink tubing. After heat shrinking, the heat shrink tubing is constricted on the outer circumferential surface of the first flange and the second flange, so that the two ends of the heat shrink tubing are sealed with the first flange and the second flange.

6. The insulated busbar casting flange device according to claim 1, characterized in that: The first flange has two connecting holes, spaced 180° apart, on the first flange; the second flange has two connecting holes, spaced 180° apart, on the second flange.

7. The insulated busbar casting flange device according to claim 1, characterized in that: The busbar conductor is a hollow copper tube.

8. The insulated busbar casting flange device according to claim 1, characterized in that: An umbrella skirt is provided on the outside of the insulating layer.

9. The insulated busbar casting flange device according to claim 1, characterized in that: The lead-in section is insulated by wrapping the lead wire with cold-applied tape.

10. An insulated busbar casting flange device according to any one of claims 1-9, characterized in that: The first flange is a filling flange, and the first flange connecting hole is a filling hole. The second flange is a discharge flange, and the second flange connecting hole is a discharge hole. The busbar conductor is first installed with the second flange, and then with the heat shrink tubing and the first flange. After the heat shrink tubing is heat-shrinked by an open flame, it forms a sealed epoxy resin casting cavity with the busbar conductor, the first flange, and the second flange. Epoxy resin is poured into the epoxy resin casting cavity through the first flange connecting hole of the first flange. Excess epoxy resin overflows from the second flange connecting hole of the second flange.

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