High-strength corrosion-resistant composite cross arm insulator

Abstract

The utility model discloses a high-strength corrosion-resistant composite cross arm insulator, and relates to the technical field of insulators. The device comprises a top sleeve and a bottom plate which are arranged on a fixing column, the top sleeve is arranged on the top of the fixing column in a sleeving mode, a U-shaped lock sleeve is connected to one side of the bottom plate in an inserted mode, the lock sleeve is arranged on one side of the fixing column in a sleeving mode, and the bottom plate is fixed to one side of the fixing column through a fixing nut; the two sides of the bottom plate are fixedly provided with two transverse insulators through bolts respectively, and one end of each transverse insulator is fixedly connected with a first connecting block. According to the utility model, through cooperative use of the extension rod, the first insulating rope and the second insulating rope, the stability of the transverse insulator and the vertical insulator can be improved by using the first insulating rope and the second insulating rope, the bending resistance of the transverse insulator and the vertical insulator can be improved, and meanwhile, the ceramic ring can play an insulating role; and rainwater is prevented from communicating the first insulating rope or the second insulating rope.

Description

Technical Field

[0001] The utility model belongs to the technical field of insulators, in particular to a high-strength corrosion-resistant composite cross-arm insulator. Background Art

[0002] Composite insulators are composed of three parts: insulating core rod, silicone rod rubber umbrella sleeve and connecting hardware at both ends. Insulators are devices installed between conductors of different potentials, or between conductors and ground potential components. They are special insulating control components that can withstand voltage and mechanical stress and are commonly used in outdoor transmission lines.

[0003] After searching, the new type of composite cross-arm insulator disclosed in publication number CN216487506U includes a vertical frame and a horizontal frame that are fixedly connected. The top of the vertical frame is detachably provided with a vertical insulator. Although the above product improves the installation reliability of the composite cross-arm insulator during use, its bending resistance is poor during use, which affects its service life. Therefore, a high-strength and corrosion-resistant composite cross-arm insulator is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a high-strength corrosion-resistant composite cross-arm insulator, xx, which solves the existing technical problems.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] A high-strength corrosion-resistant composite cross-arm insulator, comprising: a top sleeve and a bottom plate arranged on a fixing column, wherein the top sleeve is sleeved on the top of the fixing column, a U-shaped locking sleeve is inserted on one side of the bottom plate, the locking sleeve is sleeved on one side of the fixing column and the bottom plate is fixed to one side of the fixing column by a fixing nut;

[0007] Two transverse insulators are fixed to both sides of the bottom plate by bolts, one end of each transverse insulator is fixedly connected to a first connecting block, a vertical insulator is fixed to the top of the top sleeve by bolts, and two second connecting blocks are fixedly connected to the top of the vertical insulator, both sides of the top sleeve are fixedly connected to extension rods, the circumference of the extension rods is fixedly connected to two first insulating ropes and one second insulating rope, the first insulating ropes are fixed to the first connecting blocks, the second insulating ropes are fixed to the second connecting blocks, and the circumferences of the first insulating ropes and the second insulating ropes are fixedly connected to a plurality of porcelain rings, and the extension rods, the first insulating ropes and the second insulating ropes are used in coordination with each other, so that the first insulating ropes and the second insulating ropes can be used to increase the stability of the transverse insulators and the vertical insulators and improve their bending resistance.

[0008] As a further solution of the utility model, a connecting plate is fixedly connected between the top sleeve and the bottom plate, and the connecting plate increases the stability of the bottom plate.

[0009] As a further solution of the utility model, a top block which fits the fixing column is fixedly connected to one side of the bottom plate close to the fixing column.

[0010] As a further solution of the utility model, two jackets are fixedly connected to the bottom of the top jacket, and the two jackets are fixed by bolts.

[0011] As a further solution of the utility model, the extension rod includes a fixed rod and a sleeve, the sleeve is fixedly connected to one side of the top sleeve, the sleeve is internally threaded with a threaded rod, the threaded rod is rotatably connected to the fixed rod, and rotating the threaded rod can control the length of the extension rod, thereby facilitating the tensioning of the first insulating rope and the second insulating rope.

[0012] As a further solution of the utility model, the circumference of the threaded rod is fixedly connected with a driving nut, and the circumference of the threaded rod is threadedly connected with a positioning nut.

[0013] In the present application, the top sleeve is set on the top of the fixed column, and then the bottom plate is locked on the fixed column by the locking sleeve, and the clamping sleeve is locked by the bolt to keep the stability of the top sleeve, and then the transverse insulator and the vertical insulator are installed and fixed. After fixation, the transverse insulator and the vertical insulator are respectively fixed to one end of the extension rod by the first insulating rope and the second insulating rope. The first insulating rope and the second insulating rope are used to increase the stability of the transverse insulator and the vertical insulator, and improve their bending resistance. At the same time, the porcelain ring can play an insulating role to prevent rainwater from connecting the first insulating rope or the second insulating rope.

[0014] The embodiments of the present invention have the following beneficial effects:

[0015] In the utility model, by using the extension rod, the first insulating rope and the second insulating rope in coordination, the first insulating rope and the second insulating rope can be used to increase the stability of the horizontal insulator and the vertical insulator and improve their bending resistance;

[0016] In the utility model, a ceramic ring is installed on the first insulating rope and the second insulating rope. The ceramic ring is bowl-shaped and can play an insulating role to prevent rainwater from connecting the first insulating rope or the second insulating rope.

[0017] In the utility model, by using the extension rod, the first insulating rope and the second insulating rope in coordination, the first insulating rope and the second insulating rope can be used to increase the stability of the horizontal insulator and the vertical insulator and improve their bending resistance. At the same time, the porcelain ring can play an insulating role to prevent rainwater from connecting the first insulating rope or the second insulating rope.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 This is a schematic diagram of a three-dimensional structure of an embodiment of the utility model;

[0021] Figure 2 It is a partial structural schematic diagram of an embodiment of the utility model;

[0022] Figure 3 This is a schematic diagram of the extension rod structure of an embodiment of the utility model.

[0023] In the figure: 1. fixing column; 2. top sleeve; 3. bottom plate; 4. transverse insulator; 5. first connecting block; 6. first insulating rope; 7. extension rod; 8. vertical insulator; 9. second connecting block; 10. second insulating rope; 11. jacket; 12. connecting plate; 13. porcelain ring; 14. top block; 15. locking sleeve; 16. fixing rod; 17. sleeve; 18. threaded rod; 19. driving nut; 20. positioning nut. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present invention, it should be understood that the terms "opening", "upper", "middle", "length", "inside" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In order to keep the following description of the embodiments of the present invention clear and concise, the present invention omits detailed descriptions of known functions and known components.

[0027] Embodiment 1

[0028] See also Figure 1-Figure 3As shown, in this embodiment, a high-strength corrosion-resistant composite cross-arm insulator is provided, comprising: a top sleeve 2 and a bottom plate 3 arranged on a fixing column 1, the top sleeve 2 is sleeved on the top of the fixing column 1, a U-shaped locking sleeve 15 is inserted on one side of the bottom plate 3, the locking sleeve 15 is sleeved on one side of the fixing column 1 and the bottom plate 3 is fixed to one side of the fixing column 1 by a fixing nut;

[0029] Two transverse insulators 4 are fixed to both sides of the bottom plate 3 by bolts, and the transverse insulators 4 are installed obliquely upward with an inclination angle of 5-10°. One end of the transverse insulator 4 is fixedly connected with a first connecting block 5, and a vertical insulator 8 is fixedly connected to the top of the top sleeve 2 by bolts. Two second connecting blocks 9 are fixedly connected to the top of the vertical insulator 8. The surfaces of the transverse insulator 4 and the vertical insulator 8 are coated with anti-corrosion paint. Extension rods 7 are fixedly connected to both sides of the top sleeve 2. The circumference of the extension rod 7 is fixedly connected with two first insulating ropes 6 and a second insulating rope 10. The first insulating rope 6 is fixed to the first connecting block 5, and the second insulating rope 10 is fixed to the second connecting block 9, respectively. A plurality of porcelain rings 13 are fixedly connected to the circumference of the first insulating rope 6 and the second insulating rope 10. The porcelain ring 13 has the functions of insulation and water conduction. The porcelain ring 13 is bowl-shaped, and the bowl mouth is set downward. The first insulating rope 6 and the second insulating rope 10 are used to increase the stability of the transverse insulator 4 and the vertical insulator 8, improve their bending resistance, and increase their strength.

[0030] Embodiment 2

[0031] Improved on the basis of embodiment 1: Refer to attached Figure 1-Figure 3 ,

[0032] Reference Figure 2 A connecting plate 12 is fixedly connected between the top cover 2 and the bottom plate 3 , and the stability of the bottom plate 3 is increased by the connecting plate 12 .

[0033] Reference Figure 2 A top block 14 that fits the fixing column 1 is fixedly connected to one side of the bottom plate 3 close to the fixing column 1 . One side of the top block 14 is arc-shaped to increase the friction between the bottom plate 3 and the fixing column 1 .

[0034] Reference Figure 1 The bottom of the top sleeve 2 is fixedly connected with two jackets 11, which are fixed by bolts, and the jackets 11 increase the stability of the installation of the top sleeve 2.

[0035] Reference Figure 3 The extension rod 7 includes a fixed rod 16 and a sleeve 17. The sleeve 17 is fixedly connected to one side of the top sleeve 2. The sleeve 17 is internally threaded with a threaded rod 18. The threaded rod 18 is rotatably connected to the fixed rod 16. By rotating the threaded rod 18, the length of the extension rod 7 can be changed, which facilitates the tensioning of the first insulating rope 6 and the second insulating rope 10.

[0036] Reference Figure 3 The circumference of the threaded rod 18 is fixedly connected with a driving nut 19, and the circumference of the threaded rod 18 is threadedly connected with a positioning nut 20. The positioning nut 20 is used to fix the threaded rod 18 to keep the threaded rod 18 stable.

[0037] It should be noted that, in the description of this specification, descriptions such as "first", "second", etc. are merely used to distinguish between various features and have no actual order or directional meaning, and this application is not limited to this.

[0038] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A high-strength, corrosion-resistant composite cross-arm insulator, characterized in that: include: A top sleeve (2) and a bottom plate (3) are arranged on a fixed column (1), wherein the top sleeve (2) is sleeved on the top of the fixed column (1), and a U-shaped locking sleeve (15) is inserted on one side of the bottom plate (3), and the locking sleeve (15) is sleeved on one side of the fixed column (1) and fixes the bottom plate (3) to one side of the fixed column (1) via a fixing nut; Two transverse insulators (4) are fixed to both sides of the bottom plate (3) by bolts, and one end of each transverse insulator (4) is fixedly connected to a first connection block (5). A vertical insulator (8) is fixed to the top of the top sleeve (2) by bolts, and two second connection blocks (9) are fixedly connected to the top of the vertical insulator (8). Extension rods (7) are fixedly connected to both sides of the top sleeve (2), and the circumference of the extension rods (7) is fixedly connected to two first insulating ropes (6) and one second insulating rope (10), the first insulating ropes (6) are fixedly connected to the first connection blocks (5), the second insulating ropes (10) are fixedly connected to the second connection blocks (9), and the circumferences of the first insulating ropes (6) and the second insulating ropes (10) are fixedly connected to a plurality of porcelain rings (13).

2. A high-strength corrosion-resistant composite cross-arm insulator according to claim 1, characterized in that: A connecting plate (12) is fixedly connected between the top sleeve (2) and the bottom plate (3).

3. A high-strength corrosion-resistant composite cross-arm insulator as claimed in claim 1, characterized in that: A top block (14) that fits the fixing column (1) is fixedly connected to one side of the bottom plate (3) close to the fixing column (1).

4. A high-strength corrosion-resistant composite cross-arm insulator as claimed in claim 1, characterized in that: The bottom of the top sleeve (2) is fixedly connected to two jackets (11), and the two jackets (11) are fixed by bolts.

5. The high-strength corrosion-resistant composite cross-arm insulator according to claim 1, characterized in that: The extension rod (7) comprises a fixed rod (16) and a sleeve (17), wherein the sleeve (17) is fixedly connected to one side of the top sleeve (2), and the sleeve (17) is internally threadedly connected to a threaded rod (18), and the threaded rod (18) is rotatably connected to the fixed rod (16).

6. A high-strength corrosion-resistant composite cross-arm insulator as claimed in claim 5, characterized in that: A driving nut (19) is fixedly connected to the circumference of the threaded rod (18), and a positioning nut (20) is threadedly connected to the circumference of the threaded rod (18).

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