CN212322744U - Double-protection tensioning composite insulator - Google Patents
Double-protection tensioning composite insulator Download PDFInfo
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- CN212322744U CN212322744U CN202021517303.8U CN202021517303U CN212322744U CN 212322744 U CN212322744 U CN 212322744U CN 202021517303 U CN202021517303 U CN 202021517303U CN 212322744 U CN212322744 U CN 212322744U
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Abstract
The utility model relates to the field of electric power elements, in particular to a double-protection tensioning composite insulator, which comprises an insulating frame, wherein one side of the insulating frame is provided with a first cavity, the upper end and the lower end of the first cavity are provided with second cavities, one side of the second cavity is provided with a third cavity, one side of the first cavity is provided with a fourth cavity, the upper end and the lower end of one side of the fourth cavity are respectively provided with a first extension spring, the other side of the first extension spring is provided with a first wedge-shaped cylinder, the other side of the insulating frame is fixed with a first cylinder, the other side of the first cylinder is fixed with a circular ring, the upper end and the lower end of the middle part of the first cylinder are respectively provided with a fifth cavity, a second extension spring is arranged in the fifth cavity, the other end of the second extension spring is provided with a second cylinder, and the first cylinder, the second cylinder, the first extension spring, the second extension spring, the third extension spring, the tensile property of the insulator is improved, and the insulator is prevented from being broken.
Description
Technical Field
The utility model relates to a power component field specifically is a taut composite insulator of duplicate protection.
Background
The tensioning insulator is mainly used in a power transmission and distribution line, plays an insulating role in an electric pole pull wire or a tensioning wire, needs to bear the vertical load of the wire, horizontal load and wire tension, and therefore has good insulating property and enough mechanical property.
Through retrieval, in the patent with Chinese patent No. CN202996438U, a composite tensioning insulator is disclosed, which comprises a core rod and an iron piece, wherein two ends of the core rod are respectively provided with an iron piece, one end of the iron piece is wrapped on the end part of the core rod, the other end of the iron piece is provided with a lantern ring, the iron piece is provided with a circle of protruding rib, the protruding rib is provided with a circle of waterproof groove, the outer side of the core rod is wrapped with a plurality of skirt edges, the protruding rib and the waterproof groove are wrapped by the skirt edges, the composite tensioning insulator with simple structure and good insulation effect is provided, the inner core of the insulator adopts the structural form that the tensioning insulator is matched with the combination of a U-shaped bolt and a connecting disc, so that the tension force applied to the insulator is changed into the pressure applied between two tensioning holes of the tensioning insulator by the U-shaped bolt through the ingenious organic combination of the U, the insulator can replace insulators in various structural forms such as a suspension disc insulator, a column insulator, a bar insulator, an insulating cross arm and the like to meet the requirements of various power supply occasions, but the lantern ring and the bar core of the device are simply connected, so that the tensile resistance is low, and the reliability is not high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a taut composite insulator of duplicate protection to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a taut composite insulator of duplicate protection, includes the insulator bracket, and the second cavity has been seted up at both ends about first cavity, the first cavity has been seted up to insulator bracket one side, and the third cavity has been seted up to second cavity one side, first expanding spring has all been installed at both ends about fourth cavity, the fourth cavity one side is installed to first cavity one side, and first wedge cylinder is installed to first expanding spring opposite side, the insulator bracket opposite side is fixed with first cylinder, and first cylinder opposite side is fixed with the ring, and the fifth cavity has all been seted up at both ends about the first cylinder middle part, installs the second expanding spring in the fifth cavity, and the second cylinder is installed to the second expanding spring other end, and third expanding spring is installed to second cylinder one side, and second wedge cylinder is installed to third expanding spring opposite side.
As a further aspect of the present invention: the second cylinder is connected with the first cylinder in a sliding mode.
As a further aspect of the present invention: the second wedge-shaped cylinder is connected with a second cylinder in a sliding mode.
As a further aspect of the present invention: the first wedge cylinder is slidably connected to the fourth cavity.
As a further aspect of the present invention: and a skirt edge is arranged on the outer side of the insulating frame.
As a further aspect of the present invention: a drain groove is arranged in the skirt edge.
Compared with the prior art, the beneficial effects of the utility model are that: first cavity, second cavity, third cavity, first cylinder, second cylinder, first expanding spring, second expanding spring, third expanding spring, first wedge cylinder, the setting of second wedge cylinder are dual strains composite insulator, promote the pull resistance of insulator, prevent the insulator fracture.
Drawings
Fig. 1 is a schematic structural diagram of a double-protection tension composite insulator.
Fig. 2 is a schematic structural diagram of a first wedge-shaped cylinder in a double-protection tensioning composite insulator.
Fig. 3 is a schematic structural diagram of a ring in a double-protection tension composite insulator.
In the figure: 1-skirt edge, 2-insulating frame, 3-first cavity, 4-second cavity, 5-third cavity, 6-first wedge-shaped cylinder, 7-first expansion spring, 8-fourth cavity, 9-first cylinder, 10-second wedge-shaped cylinder, 11-second expansion spring, 12-second cylinder, 13-third expansion spring, 14-fifth cavity and 15-circular ring.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, but not for indicating or implying that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention, and further that the terms "first", "second", etc., are used only for descriptive purposes and are not to indicate or imply relative importance or imply the number of technical features being referred to, whereby the features defined as "first", "second", etc., may explicitly or implicitly include one or more such features, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or the two elements may be connected through an intermediate medium, and the specific meaning of the above terms in the present invention can be understood by those skilled in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
Referring to fig. 1-3, in the embodiment of the present invention, a double protection tension composite insulator comprises an insulating frame 2, a first cavity 3 is formed on one side of the insulating frame 2, a second cavity 4 is formed on the upper and lower ends of the first cavity 3, a third cavity 5 is formed on one side of the second cavity 4, a fourth cavity 8 is formed on one side of the first cavity 3, first extension springs 7 are respectively installed on the upper and lower ends of one side of the fourth cavity 8, a first wedge-shaped cylinder 6 is installed on the other side of the first extension spring 7, a first cylinder 9 is fixed on the other side of the insulating frame 2, a ring 15 is fixed on the other side of the first cylinder 9, fifth cavities 14 are respectively formed on the upper and lower ends of the middle portion of the first cylinder 9, a second extension spring 11 is installed in the fifth cavities 14, a second cylinder 12 is installed on the other end of the second extension spring 11, a third extension spring 13 is installed, the other side of the third telescopic spring 13 is provided with a second wedge-shaped cylinder 10.
Furthermore, the second cylinder 12 is connected with a first cylinder 9 in a sliding mode, the second wedge-shaped cylinder 10 is connected with a second cylinder 12 in a sliding mode, the first wedge-shaped cylinder 6 is connected with the fourth cavity 8 in a sliding mode, and the skirt edge 1 is installed on the outer side of the insulating frame 2.
Example 2
In another embodiment of the present invention, the embodiment is different from the above embodiments in that a hydrophobic groove is provided in the skirt 1 for accommodating the penetration of rainwater.
The utility model discloses a theory of operation is: when an insulator is connected with another insulator, the second wedge-shaped cylinder 10 is pressed into the second cylinder 12, the second cylinder 12 is pressed into the first cylinder 9, the first cylinder 9 is inserted into the first cavity 3 of the insulator on the other side, the second cylinder 12 automatically pops out when passing through the second cavity 4, after the second cylinder 12 pops out, the second wedge-shaped cylinder 10 pops into the third cavity 5, meanwhile, the ring 15 enters the fourth cavity through the first wedge-shaped cylinder 6, double fixation of connection between the insulators is achieved, the unidirectional setting of the first wedge-shaped cylinder 6 and the second wedge-shaped cylinder 10 is used, and the tensile capacity of the insulator is improved.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A double-protection tensioning composite insulator comprises an insulating frame (2) and is characterized in that a first cavity (3) is formed in one side of the insulating frame (2), second cavities (4) are formed in the upper end and the lower end of the first cavity (3), a third cavity (5) is formed in one side of the second cavity (4), a fourth cavity (8) is installed on one side of the first cavity (3), first telescopic springs (7) are installed at the upper end and the lower end of one side of the fourth cavity (8), a first wedge-shaped cylinder (6) is installed on the other side of the first telescopic spring (7), a first cylinder (9) is fixed on the other side of the insulating frame (2), a circular ring (15) is fixed on the other side of the first cylinder (9), fifth cavities (14) are formed in the upper end and the lower end of the middle of the first cylinder (9), a second telescopic spring (11) is installed in the fifth cavity (14), and a second cylinder (12) is installed at the other end of the, a third telescopic spring (13) is arranged on one side of the second cylinder (12), and a second wedge-shaped cylinder (10) is arranged on the other side of the third telescopic spring (13).
2. A double protection tensioning composite insulator according to claim 1, characterised in that said second cylinder (12) is slidingly associated with a first cylinder (9).
3. A double protection tensioning composite insulator according to claim 2, characterised in that said second wedge-shaped cylinder (10) is slidingly associated with a second cylinder (12).
4. A double protection tensioning composite insulator according to claim 1, characterised in that the first wedge cylinder (6) is slidingly connected to the fourth cavity (8).
5. A double protection tension composite insulator according to claim 1 or 2, characterized in that a skirt (1) is mounted on the outside of the insulator frame (2).
6. A double protection tension composite insulator according to claim 5, characterized in that a hydrophobic groove is arranged in the skirt (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021517303.8U CN212322744U (en) | 2020-07-28 | 2020-07-28 | Double-protection tensioning composite insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021517303.8U CN212322744U (en) | 2020-07-28 | 2020-07-28 | Double-protection tensioning composite insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212322744U true CN212322744U (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021517303.8U Active CN212322744U (en) | 2020-07-28 | 2020-07-28 | Double-protection tensioning composite insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212322744U (en) |
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2020
- 2020-07-28 CN CN202021517303.8U patent/CN212322744U/en active Active
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