Distribution transformer pile head sheath

Abstract

The utility model discloses a pile head sheath of a distribution transformer, which relates to the technical field of pile head sheaths and is technically characterized by comprising a sheath device. The sheath device is composed of a pile head sheath and a wire sheath, one end of the wire sheath is installed on the upper side of the pile head sheath, hard fixing pieces are installed on one side of the pile head sheath and one side of the wire sheath, soft pieces are installed on the inner sides of the hard fixing pieces, the hard fixing pieces are connected through a fixing mechanism, and the soft pieces are connected with the pile head sheath. The technical effects are that the hard fixing sheets at the joint of the pile head sheath and the wire sheath are fixed through the fixing mechanisms, and the soft sheets are used for sealing the hard fixing sheets, so that the sealing performance of the pile head sheath and the wire sheath is improved, and in the using process, the pile head sheath and the wire sheath are not prone to falling off, so that the service life of the pile head sheath and the wire sheath is prolonged, and the service life of the pile head sheath and the wire sheath is prolonged. And the interiors of the pile head sheath and the wire sheath are dried through the drying mechanism, so that corrosion between the pile head and the wire during use is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pile head sheath, specifically to a distribution transformer pile head sheath. BACKGROUND

[0002] The transformer pile head protective sleeve is made of silicone rubber material, is formed through high-temperature mould pressing, and is made of synthetic silicone rubber through the HTV solid high-temperature vulcanization forming process, is never deformed, is high in flexibility and tear resistance, and has a service life of up to 20 years, so that the protective sleeve is not easy to be damaged in long-term use and can continuously play a protective role.

[0003] Chinese patent No. CN202123256987.8 discloses a transformer pile head sheath, which comprises a sheath body supported by a soft material and a sleeve joint; a wire passing groove is arranged in the middle of the sheath body, a cavity in communication with the wire passing groove is arranged in the middle of the sleeve joint, an opening is arranged at the front end of the sleeve joint, an annular clamping sleeve coaxial with the opening is arranged at the opening, the annular clamping sleeve has an inner ring and an outer ring, the inner ring of the annular clamping sleeve is connected with the opening, the outer ring of the annular clamping sleeve is arranged obliquely away from the sleeve joint, and the outer ring of the annular clamping sleeve is provided with a clamping portion.

[0004] In the process of use, the drying performance is poor, a large amount of moisture will enter the inside after long-term use, corrosion occurs between the wire and the wiring pile, the temperature rises, and the burning phenomenon is prone to occur. UTILITY MODEL CONTENT

[0005] (I) Technical problem solved

[0006] In view of the defects of the prior art, the utility model provides a distribution transformer pile head sheath, which solves the problems of poor drying performance, a large amount of moisture entering the inside after long-term use, corrosion occurring between the wire and the wiring pile, temperature rising, and the burning phenomenon being prone to occur.

[0007] (II) Technical scheme

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a distribution transformer pile head sheath, which comprises a sheath device; the sheath device is composed of a pile head sheath and a wire sheath, one end of the wire sheath is installed at the upper side of the pile head sheath, hard fixing plates are installed at the side positions of the pile head sheath and the wire sheath, soft plates are installed at the inner side positions of the hard fixing plates, the hard fixing plates are connected through a fixing mechanism, and drying mechanisms are installed at the outer side positions of the pile head sheath and the wire sheath.

[0009] Preferably, the fixing mechanism is composed of a plug rod and a plug hole, one end of the plug rod is inserted into the inside of the plug hole, and a limiting plate is installed at one end of the plug rod.

[0010] Preferably, the limiting plate is in the shape of a circular truncated cone.

[0011] Preferably, an anti-aging layer is arranged outside the sheath device, and the anti-aging layer is arranged as an anti-aging coating layer.

[0012] Preferably, a self-cleaning layer is arranged outside the anti-aging layer, and the self-cleaning layer is arranged as a nano-silicon coating layer.

[0013] Preferably, the drying mechanism is composed of a filler cavity and a drying agent, the filler cavity is arranged outside the pile head sheath and the wire sheath, and the drying agent is filled in the filler cavity.

[0014] Preferably, a belt is arranged at the bottom end of the pile head sheath and one end of the wire sheath, and the belt is sleeved outside the bottom end of the pile head sheath and the one end of the wire sheath.

[0015] Preferably, a limiting ring is arranged at the bottom end of the pile head sheath and one end of the wire sheath, and the limiting ring is arranged integrally with the pile head sheath and the wire sheath.

[0016] Beneficial effects

[0017] Compared with the prior art, the utility model provides a kind of, with following beneficial effects:

[0018] 1, the hard fixed piece between the connecting place of pile head sheath and wire sheath is fixed by fixed mechanism, and soft sheet is used to seal hard fixed piece, increase the sealing property of pile head sheath and wire sheath, in the process of use, the inside of pile head sheath and wire sheath is dried by drying mechanism, reduce the corrosion between pile head and wire in use.

[0019] 2, fixed mechanism is fixed and installed between hard fixed piece when the limiting plate of the front end of insertion rod is inserted into the inside of insertion hole in use.

[0020] 3, when drying mechanism is used, filler cavity is filled with drying agent, and the setting of drying agent is used to dry the moisture in the air inside the pile head sheath and the wire sheath, to keep the dryness inside the pile head sheath and the wire sheath. DETAILED DESCRIPTION

[0021] Fig. 1 It is the structure schematic view of the utility model;

[0022] Fig. 2 It is the internal structure schematic view of the utility model;

[0023] Fig. 3 It is the structure schematic view of the hard fixed piece of the utility model;

[0024] Fig. 4The layered structure schematic diagram of the utility model.

[0025] In the drawings:

[0026] 1, sheath device;2, drying mechanism;3, pile head sheath;4, wire sheath;5, limiting ring;6, belt;7, hard fixed sheet;8, filler cavity;9, drying agent;10, insertion rod;11, limiting plate;12, insertion hole;13, anti-aging layer;14, self-cleaning layer;15, fixing mechanism. DETAILED DESCRIPTION

[0027] In the utility model, in the case that no opposite statement is made, the direction such as "up, down" used is usually for the direction shown in the drawing, or for the vertical, perpendicular or gravity direction;Similarly, for the convenience of understanding and description, "left, right" is usually for the left and right shown in the drawing;"inner, outer" refers to the inner and outer of the contour of each component itself, but the above direction words are not used to limit the utility model.

[0028] The utility model provides a technical scheme:

[0029] Please refer to Figs. 1-4 A distribution transformer pile head sheath, sheath device 1 comprising sheath device 1;Sheath device 1 is composed of pile head sheath 3 and wire sheath 4, wire sheath 4 one end is installed in the upper side position of pile head sheath 3, and hard fixed sheet 7 is installed in the side position of pile head sheath 3 and wire sheath 4, soft film is installed in the inner side position of hard fixed sheet 7, hard fixed sheet 7 is connected through fixing mechanism 15 between, and drying mechanism 2 is installed in the outer side position of pile head sheath 3 and wire sheath 4.

[0030] Further, fixing mechanism 15 is composed of insertion rod 10 and insertion hole 12, insertion rod 10 one end is inserted into the inside of insertion hole 12, and limiting plate 11 is installed in the one end of insertion rod 10, and the limiting plate 11 of insertion rod 10 front end is inserted into the inside of insertion hole 12 in the use of fixing mechanism 15, that is, the hard fixed sheet 7 between can be fixed and installed.

[0031] Further, limiting plate 11 is provided as a circular truncated cone, and the circular truncated cone of limiting plate 11 can reduce the caliber of the front end of limiting plate 11, so that limiting plate 11 can be quickly inserted into the inside of insertion hole 12.

[0032] Further, the outer side of sheath device 1 is provided with anti-aging layer 13, the anti-aging layer 13 is provided as an anti-aging coating layer, and the anti-aging coating layer used by anti-aging layer 13 can reduce the aging of sheath device 1 in use, prolong the service life of sheath device 1.

[0033] Further, the anti-aging layer 13 is provided with a self-cleaning layer 14 outside, the self-cleaning layer 14 is provided as a nano-silicon coating layer, the nano-silicon coating layer used by the self-cleaning layer 14 has the performance of being difficult for dust to adhere and being hydrophobic, and the self-cleaning layer 14 can keep the outer surface of the sheath device 1 clean for a long time.

[0034] Further, the drying mechanism 2 is composed of a filler cavity 8 and a drying agent 9, the filler cavity 8 is installed outside the pile head sheath 3 and the wire sheath 4, the drying agent 9 is filled in the filler cavity 8, and the drying mechanism 2 fills the drying agent 9 through the filler cavity 8 in use, and the drying agent 9 is arranged to dry the moisture in the air inside the pile head sheath 3 and the wire sheath 4, so that the inside of the pile head sheath 3 and the wire sheath 4 is kept dry.

[0035] Further, the pile head sheath 3 and the wire sheath 4 are provided with a belt 6 at the bottom end and one end position respectively, the belt 6 is sleeved outside the bottom end of the pile head sheath 3 and the one end of the wire sheath 4, and the belt 6 is arranged to fix the end positions of the pile head sheath 3 and the wire sheath 4, so that the air and moisture cannot enter the inside of the pile head sheath 3 and the wire sheath 4 through the pile head sheath 3 and the wire sheath 4 in use.

[0036] Further, the pile head sheath 3 and the wire sheath 4 are provided with a limiting ring 5 at the bottom end and one end position respectively, the limiting ring 5 is integrally arranged with the pile head sheath 3 and the wire sheath 4, and the limiting ring 5 is arranged to limit the activity range of the belt 6, so that the belt 6 cannot be separated from the pile head sheath 3 and the wire sheath 4 in use.

[0037] In use, the working principle of the utility model is as follows: in use, the sheath device 1 is installed on the upper side of the transformer pile head, the pile head sheath 3 is sleeved on the upper side of the pile head, the wire sheath 4 is sleeved on the upper side of the wire, the hard fixing piece 7 between the connecting positions of the pile head sheath 3 and the wire sheath 4 is fixed through the fixing mechanism 15, and the soft piece is used to seal the hard fixing piece 7, so that the sealing property of the pile head sheath 3 and the wire sheath 4 is increased, the inside of the pile head sheath 3 and the wire sheath 4 is dried through the drying mechanism 2 in use, and the corrosion of the pile head and the wire in use is reduced.

[0038] The above is only a specific embodiment of the utility model, but the technical features of the utility model are not limited to this. Any simple change, equivalent replacement or modification made on the basis of the utility model to solve basically the same technical problem and achieve basically the same technical effect is covered in the protection scope of the utility model.

Claims

1. A sheath for the terminal head of a distribution transformer, comprising a sheathing device (1); characterized in that: The sheath device (1) consists of a pile head sheath (3) and a conductor sheath (4). One end of the conductor sheath (4) is installed on the upper side of the pile head sheath (3). A rigid fixing plate (7) is installed on one side of both the pile head sheath (3) and the conductor sheath (4). A soft plate is installed on the inner side of the rigid fixing plate (7). The rigid fixing plates (7) are connected to each other by a fixing mechanism (15). A drying mechanism (2) is installed on the outer side of both the pile head sheath (3) and the conductor sheath (4).

2. The distribution transformer terminal sleeve according to claim 1, characterized in that: The fixing mechanism (15) consists of a plug rod (10) and a socket (12). One end of the plug rod (10) is inserted into the socket (12), and a limiting plate (11) is installed on the other end of the plug rod (10).

3. The distribution transformer terminal sleeve according to claim 2, characterized in that: The limiting plate (11) is truncated cone-shaped.

4. The distribution transformer terminal sleeve according to claim 1, characterized in that: The outer side of the sheath device (1) is provided with an anti-aging layer (13), which is an anti-aging coating layer.

5. The distribution transformer terminal sleeve according to claim 4, characterized in that: The anti-aging layer (13) is provided with a self-cleaning layer (14) on the outside, and the self-cleaning layer (14) is a nano-silicon coating layer.

6. The distribution transformer terminal sleeve according to claim 1, characterized in that: The drying mechanism (2) consists of a filling chamber (8) and a desiccant (9). The filling chamber (8) is installed on the outside of the pile head sheath (3) and the conductor sheath (4). The desiccant (9) is filled inside the filling chamber (8).

7. The distribution transformer terminal sleeve according to claim 1, characterized in that: A strap (6) is provided at the bottom of the pile head sheath (3) and at one end of the conductor sheath (4). The strap (6) is placed on the outside of the bottom of the pile head sheath (3) and one end of the conductor sheath (4).

8. The distribution transformer terminal sleeve according to claim 7, characterized in that: Limiting rings (5) are provided at the bottom of the pile head sheath (3) and one end of the conductor sheath (4), and the limiting rings (5) are integrally formed with the pile head sheath (3) and the conductor sheath (4).

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