Triple-quadruple split high-strength tension insulator string

Abstract

The utility model discloses a triple-connected four-split high-strength tension insulator string, including a tower-end special-shaped hanging plate and a line-end special-shaped hanging plate, an insulator string is connected between the tower-end special-shaped hanging plate and the line-end special-shaped hanging plate, a tower-end hardware is mounted on the tower-end special-shaped hanging plate, and the tower-end special-shaped hanging plate is connected to the iron tower by using the tower-end hardware, and the outer end of the line-end special-shaped hanging plate is mounted with a line-end hardware, and the line-end special-shaped hanging plate is connected to the cable by the line-end hardware. The special-shaped tension component in the present application is a special-shaped suspension hardware used to support conductors in power transmission lines, and has a unique geometric structure to adapt to specific installation environments and mechanical requirements. The main advantage of the special-shaped tension component is that it can provide better mechanical properties and adaptability. The design of the special-shaped tension component can optimize stress distribution and reduce stress concentration, thereby improving the bearing capacity and durability of the structure.

Description

Technical Field

[0001] The utility model belongs to the technical field of hardware for electric power engineering, in particular to a triple-connected and quadruple-split high-strength tension insulator string. Background Art

[0002] During the installation of transmission lines, iron towers are usually used for support. However, the lines and iron towers cannot be in direct contact to prevent discharge. Therefore, insulator strings are usually used for isolation. Insulator strings mainly play an insulating role. Therefore, in order to make the connection between them and the cables and iron towers more firm, tension components are usually installed at both ends of the insulator strings. The tension components are also called suspension fittings. Their core function is to firmly suspend the cables on the iron towers and provide the necessary mechanical strength to withstand changes in wind, ice loads and temperature.

[0003] Chinese patent CN210200418U discloses a triple tension string, which uses two pairs of connecting plates, one large and one small, to arrange the insulator strings in a 2-shaped pattern. If the lengths of the insulator strings are inconsistent, the angle of the small connecting plate can be adjusted to make the three insulator strings evenly stressed, making them less likely to be damaged, extending the service life of the tension string, reducing its replacement frequency, and thus reducing manual labor. The utility model has a light structure, is easy to install, and is simple to maintain later.

[0004] In order to ensure uniform insulator string stress, the existing triple-strain string is equipped with multiple connecting plates, and the angles of the connecting plates are adjusted to balance the stress on insulator strings of different lengths. However, after the multiple connecting plates are assembled on the same plane, the three-dimensional structure is poor, which causes the stress on the triple-strain string to be more concentrated, reducing the stability and reliability of the line. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In order to solve the problems existing in the above-mentioned background technology, the utility model adopts the following technical solutions.

[0007] A triple-four-split high-strength tension insulator string comprises a tower end special-shaped hanging plate and a line end special-shaped hanging plate, an insulator string is connected between the tower end special-shaped hanging plate and the line end special-shaped hanging plate, the tower end special-shaped hanging plate comprises a tower hanging vertical plate, a tower hanging lower end plate is symmetrically arranged in the middle of the tower hanging vertical plate, a tower hanging upper end plate is symmetrically connected to the tail of the tower hanging vertical plate, a tower end hardware is assembled on the tower end special-shaped hanging plate, and the tower end special-shaped hanging plate is connected to the iron tower by the tower end hardware;

[0008] The wire end special-shaped hanging plate includes a wire hanging vertical plate, and the wire hanging lower end plate is symmetrically provided near the end position of the wire hanging vertical plate, and the wire hanging upper end plate is symmetrically connected to the wire hanging vertical plate near the tail. The outer end of the wire end special-shaped hanging plate is equipped with a wire end hardware, and the wire end special-shaped hanging plate is connected to the cable through the wire end hardware.

[0009] Preferably, one side end of the tower hanging vertical plate is arranged as a bevel, and one side edge of the tower hanging lower end plate and the tower hanging upper end plate are symmetrically cut with bevels, wherein the tower hanging vertical plate near the bevel and one end of the tower hanging upper end plate near the bevel are provided with hanging rings and hanging holes, and the tower end special-shaped hanging plate is connected to the insulator string through the hanging rings and hanging holes.

[0010] Preferably, a tower end hardware hanging hole is provided on the lower end plate of the tower hanging near one of the hypotenuses, and a part of the tower end hardware is connected to the tower end hardware hanging hole, and another part of the tower end hardware is installed between the hanging ring hanging hole and the insulator string.

[0011] Preferably, protrusions are provided on both sides of the front end of the wire hanging upper end plate, and cornbread hanging holes are provided on the protrusions on the wire hanging upper end plate and the wire hanging vertical plate, and a part of the wire end hardware is connected to the cornbread hanging holes.

[0012] Preferably, the lower end plate of the wire hanger is an isosceles trapezoidal structure as a whole, and a wire end hardware hanging hole is opened at the vertex of the lower end plate of the wire hanger near the waist, and another part of the wire end hardware is connected to the wire end hardware hanging hole.

[0013] Preferably, the tower end hardware includes a ball head hanging ring, and one end of the ball head hanging ring is assembled in the hanging ring hanging hole, and the other end of the ball head hanging ring is connected to the insulator string. An upper end equalizing ring is also assembled on the upper end plate of the tower hanging.

[0014] Preferably, the tower end hardware also includes a parallel hanging plate, and one end of the parallel hanging plate is provided with a straight plate hanging ring connected to the tower end hardware hanging hole, the other end of the parallel hanging plate is connected to an adjustment plate, and the end of the adjustment plate is equipped with a first U-shaped buckle group, and the first U-shaped buckle group is formed by two buckle hooks cross-connected.

[0015] Preferably, the wire end hardware includes a steamed bun hanging plate, and the steamed bun hanging plate is inserted into the steamed bun hanging hole, the steamed bun hanging plate and the steamed bun hanging hole are fixed with bolts, the other end of the steamed bun hanging plate is connected to the insulator string, and the upper end plate of the wire hanger is also equipped with a lower end equalizing ring.

[0016] Preferably, the wire end fitting also includes an adjustment plate, and the adjustment plate is connected to the wire end fitting hanging hole by a bolt group, an extension rod is slidably connected in the adjustment plate, and the end of the extension rod is equipped with a second U-shaped buckle group, the end of the second U-shaped buckle group is equipped with a tension wire clamp, and the lower end of the tension wire clamp is installed with a wire connector.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] (1) The special-shaped tension components in this application are suspension fittings of special shapes used to support conductors in power transmission lines. They have unique geometric structures to adapt to specific installation environments and mechanical requirements. Compared with traditional straight-plate tension components, the main advantage of special-shaped tension components is that they can provide better mechanical properties and adaptability. The design of special-shaped tension components can optimize stress distribution and reduce stress concentration, thereby improving the bearing capacity and durability of the structure.

[0019] (2) Due to its special structure, the special-shaped tension assembly is a three-dimensional structure as a whole. Therefore, the design of the special-shaped tension assembly in this application allows it to be freely adjusted in three-dimensional space to adapt to different line directions and environmental conditions. Its unique three-dimensional structure helps to improve stress distribution and reduce stress concentration, thereby improving the stability and reliability of the line and reducing the risk of fracture due to excessive stress. The size and shape can be customized according to actual needs to reduce material waste while ensuring the strength and rigidity of the structure. It plays an increasingly important role in modern power transmission systems.

[0020] (3) The special-shaped tension components in the present application can adjust their shape by adjusting the plate to adapt to different installation conditions, such as different line curvatures and inclination angles, and have a certain degree of flexibility, thereby making the application of special-shaped tension components in complex terrains and special environments more feasible. Special-shaped tension components are increasingly used in power systems, especially in high-voltage and ultra-high-voltage transmission lines, which can effectively support conductors while reducing line losses and improving transmission efficiency.

[0021] (4) The design of the special-shaped tension components can make the connection between the cable and the tower not on the same plane, thereby providing an additional safety distance for the cable. This design helps to reduce direct contact between the cable and the tower, reduce wear caused by friction or impact, and also reduce the problem of ice accumulation that may occur on the cable under severe weather conditions. By staggering the vertical position of the connection between the cable and the tower, it helps to disperse the stress of the cable and improve the tensile strength and durability of the cable.

[0022] (5) In addition, this design can also reduce the cable swing caused by wind, thereby reducing the impact on the tower and the cable itself. In practical applications, this feature of the special-shaped tension component can significantly improve the stability of power transmission lines, reduce maintenance costs, and extend the service life of the line. Therefore, it has been widely used in high-voltage and ultra-high-voltage transmission lines, especially in areas with harsh environmental conditions or heavy cable operating loads. Through reasonable design and installation, special-shaped tension components can effectively improve the reliability and safety of power transmission systems. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1It is a side view assembly plan view of a triple-four-split high-strength tension insulator string in the utility model.

[0024] Figure 2 It is a top view of the assembly plan of the triple-four-split high-strength tension insulator string in the utility model.

[0025] Figure 3 It is a three-dimensional structural diagram of the special-shaped hanging plate at the end of the tower in the utility model.

[0026] Figure 4 It is a three-dimensional structural diagram of the special-shaped hanging plate at the center line end of the utility model.

[0027] The corresponding relationship between the illustrations and component names in the figure is as follows:

[0028] 100, tower end special-shaped hanging plate; 101, tower hanging vertical plate; 102, tower hanging lower end plate; 1021, tower end hardware hanging hole; 103, tower hanging upper end plate; 1031, hanging ring hanging hole; 200, line end special-shaped hanging plate; 201, line hanging vertical plate; 202, line hanging lower end plate; 2021, line end hardware hanging hole; 203, line hanging upper end plate; 2031, steamed bread hanging hole; 300, insulator string; 40 0. Tower end hardware; 401. Straight plate hanging ring; 402. Parallel hanging plate; 403. Adjustment plate; 404. First U-shaped buckle group; 405. Upper end equalizing pressure ring; 406. Ball head hanging ring; 500. Wire end hardware; 501. Wotou hanging plate; 502. Lower end equalizing pressure ring; 503. Adjustment plate; 504. Extension rod; 505. Second U-shaped buckle group; 506. Tension clamp; 507. Wire joint. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0030] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0031] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0032] Figure 1 and Figure 2 The high-strength tension insulator string in this embodiment is provided with a diagram. The high-strength tension insulator string in this embodiment is a triple-four-split high-strength tension insulator string, including a tower-end special-shaped hanging plate 100 and a line-end special-shaped hanging plate 200. An insulator string 300 is connected between the tower-end special-shaped hanging plate 100 and the line-end special-shaped hanging plate 200. The tower-end special-shaped hanging plate 100 and the line-end special-shaped hanging plate 200 are present as transition pieces between the insulator string 300 and the cable or the iron tower, wherein the insulator string 300 separates the cable from the iron tower to prevent the current on the cable from being transmitted to the iron tower and causing the box ground discharge, and the tower-end special-shaped hanging plate 100 and the line-end special-shaped hanging plate 200 is used to support conductors in power transmission lines. Due to the unique geometric structure of the tower-end special-shaped hanging plate 100 and the line-end special-shaped hanging plate 200, compared with traditional straight-plate tension components, they can provide better mechanical properties and adaptability, optimize stress distribution, reduce stress concentration, and thus improve the bearing capacity and durability of the structure. The tower-end special-shaped hanging plate 100 is provided with a tower-end hardware 400 so that one end thereof can be connected to the insulator string 300 and the other end can be connected to the iron tower. The line-end special-shaped hanging plate 200 is provided with a line-end hardware 500 so that one end thereof can be connected to the insulator string 300 and the other end can be connected to the cable.

[0033] Figure 3 It is one of the triple-four-split high-strength tension insulator strings in this embodiment. The tower end special-shaped hanging plate 100 in this embodiment includes a tower hanging vertical plate 101, and a tower hanging lower end plate 102 is symmetrically arranged in the middle of the tower hanging vertical plate 101, and a tower hanging upper end plate 103 is symmetrically connected to the tail of the tower hanging vertical plate 101. The tower hanging vertical plate 101, the tower hanging lower end plate 102 and the tower hanging upper end plate 103 together constitute a tower end special-shaped hanging plate 100 in a special-shaped tension component, one end of which is connected to the insulator string 300 and the other end is connected to the iron tower in the power transmission equipment;

[0034] Furthermore, in order to make the tower end special-shaped hanging plate 100 in the present application be able to disperse stress better when in use, the present application sets an inclined surface at one end of the tower hanging vertical plate 101, and symmetrically cuts an inclined edge on one side of the tower hanging lower end plate 102 and the tower hanging upper end plate 103. The inclined surface and the inclined edge have the same function of dispersing stress. At the same time, the inclined surface on the tower hanging vertical plate 101 helps to improve the stress state of the tower end special-shaped hanging plate 100, disperse the tension, reduce local stress concentration, and thus reduce the risk of fracture. The tower hanging lower end plate 102 and the tower hanging upper end plate 103 are symmetrically cut with an inclined edge. The inclined surface and the inclined edge have the same function of dispersing stress. At the same time, the inclined surface on the tower hanging vertical plate 101 helps to improve the stress state of the tower end special-shaped hanging plate 100, disperse the tension, reduce local stress concentration, and thus reduce the risk of fracture. The beveled edges on the tower hanging lower end plate 102 and the tower hanging upper end plate 103 can improve the surrounding airflow conditions, reduce the generation of eddies, reduce wind resistance, and are conducive to improving the transmission efficiency of the line. At the same time, the beveled edges on the tower hanging lower end plate 102 and the tower hanging upper end plate 103 in the present application are located opposite to each other, so that when the tower end special-shaped hanging plate 100 in this embodiment is in use, the tensions on both ends are parallel and balanced, so that the tower end special-shaped hanging plate 100 remains stable; the tower hanging lower end plate 102 is connected to the iron tower, and the tower hanging upper end plate 103 is connected to the insulator string 300;

[0035] Continue reading Figure 1 In this embodiment, a hanging ring hanging hole 1031 is provided on the tower hanging vertical plate 101 near the inclined surface and on the tower hanging upper end plate 103 near the inclined side. The tower end special-shaped hanging plate 100 is connected to the insulator string 300 through the hanging ring hanging hole 1031. The tower hanging lower end plate 102 near the inclined side is provided with a tower end hardware hanging hole 1021, and one part of the tower end hardware 400 is connected to the tower end hardware hanging hole 1021, and the other part of the tower end hardware 400 is installed between the hanging ring hanging hole 1031 and the insulator string 300. The above installation method needs to be connected by using various components on the tower end hardware 400; therefore, the tower end hardware 400 in this embodiment includes a ball The tower end hardware 400 further comprises a parallel hanging plate 402, and one end of the parallel hanging plate 402 is provided with a straight plate hanging ring 401 connected to the tower end hardware hanging hole 1021, and the other end of the parallel hanging plate 402 is connected to the tower end hardware hanging hole 1021, and the other end of the parallel hanging plate 402 is connected to the adjustment plate 403, and the end of the adjustment plate 403 is provided with a first U-shaped buckle group 404, and the first U-shaped buckle group 404 is formed by two buckle hooks cross-hooked, and at the same time, the tower end plate 103 is also equipped with an upper end equalizing ring 405;

[0036] It is worth noting that the outer side of the adjustment plate 403 in this embodiment is arc-shaped and has multiple holes on it. The shape can be adjusted by adjusting the plate 403 to adapt to different installation conditions, such as different line curvatures and inclination angles. It has a certain flexibility, thereby making the application of special-shaped tension components in complex terrains and special environments more feasible.

[0037] Figure 4 It is the second of the triple-four-split high-strength tension insulator strings in this embodiment. The line end special-shaped hanging plate 200 includes a line hanging vertical plate 201, and the line hanging vertical plate 201 is symmetrically provided with a line hanging lower end plate 202 near the end position, and the line hanging vertical plate 201 is symmetrically connected with a line hanging upper end plate 203 near the tail. The line hanging vertical plate 201, the line hanging lower end plate 202 and the tower hanging upper end plate 103 together constitute the line end special-shaped hanging plate 200 in the special-shaped tension component, one end of which is connected to the insulator string 300 and the other end is connected to the cable in the power transmission equipment;

[0038] In order to increase the mechanical strength and optimize the stress distribution, in this embodiment, protrusions are provided on both sides of the front end of the upper end plate 203 of the line hanger, and the lower end plate 202 of the line hanger is designed as an isosceles trapezoidal structure. The protrusions can be used as an additional support point to improve the overall mechanical strength of the tension string, so that it can better withstand the tension of the cable and other external forces. Through the design of the protrusions, the force distribution of the cable on the tension string can be changed, so that the stress is transmitted more evenly and the stress concentration phenomenon is reduced. The lower end plate 202 of the line hanger with an isosceles trapezoidal structure has the same effect as the bevels opened on the lower end plate 102 of the tower hanger and the upper end plate 103 of the tower hanger, which helps to improve the stress state of the special-shaped hanging plate 200 at the line end, disperse the tension, reduce local stress concentration, and thus reduce the risk of breakage.

[0039] Continue reading Figure 2 In this embodiment, a corn bread hanging hole 2031 is provided on the protrusion on the upper end plate 203 of the line hanging and the vertical plate 201 of the line hanging, and a part of the line end hardware 500 is connected to the corn bread hanging hole 2031, and a line end hardware hanging hole 2021 is provided at the vertex near the waist on the lower end plate 202 of the line hanging, and another part of the line end hardware 500 is connected to the line end hardware hanging hole 2021; the above-mentioned installation method needs to be connected by using the various components on the line end hardware 500; therefore, the line end hardware 500 in this embodiment includes a corn bread hanging plate 501, and the corn bread hanging plate 501 is inserted into the corn bread hanging hole 2031, and the corn bread hanging plate 501 and the corn bread hanging hole 2031 are fixed by bolts, The line hanging vertical plate 201, the line hanging lower end plate 202 and the tower hanging upper end plate 103 together constitute the line end special-shaped hanging plate 200 in the special-shaped tension-resistant component, one end of which is connected to the insulator string 300 and the other end is connected to the cable in the power transmission equipment. The line hanging upper end plate 203 is also equipped with a lower end equalizing ring 502. The line end hardware 500 also includes an adjustment plate 503, and the adjustment plate 503 is connected to the line end hardware hanging hole 2021 by a bolt group. An extension rod 504 is slidably connected in the adjustment plate 503, and the end of the extension rod 504 is equipped with a second U-shaped buckle group 505, and the end of the second U-shaped buckle group 505 is equipped with a tension clamp 506, and the lower end of the tension clamp 506 is installed with a wire joint 507.

[0040] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. A triple-quadruple-split high-strength tension insulator string, comprising a tower-end special-shaped hanging plate (100) and a line-end special-shaped hanging plate (200), wherein an insulator string (300) is connected between the tower-end special-shaped hanging plate (100) and the line-end special-shaped hanging plate (200), Features: The tower end special-shaped hanging plate (100) comprises a tower hanging vertical plate (101), and a tower hanging lower end plate (102) is symmetrically arranged in the middle of the tower hanging vertical plate (101), and a tower hanging upper end plate (103) is symmetrically connected to the tail of the tower hanging vertical plate (101), and a tower end hardware (400) is installed on the tower end special-shaped hanging plate (100), and the tower end special-shaped hanging plate (100) is connected to the iron tower by using the tower end hardware (400); The line end special-shaped hanging plate (200) comprises a line hanging vertical plate (201), and the line hanging vertical plate (201) is symmetrically provided with a line hanging lower end plate (202) near the end position, and the line hanging vertical plate (201) is symmetrically connected to a line hanging upper end plate (203) near the tail, and the outer end of the line end special-shaped hanging plate (200) is equipped with a line end hardware (500), and the line end special-shaped hanging plate (200) is connected to the cable through the line end hardware (500).

2. The triple-quadruple split high-strength tension insulator string according to claim 1, characterized in that: One end of the tower hanging vertical plate (101) is formed into an inclined surface, and one side of the tower hanging lower end plate (102) and the tower hanging upper end plate (103) is symmetrically cut with an inclined edge, wherein a hanging ring hanging hole (1031) is provided at a position close to the inclined surface on the tower hanging vertical plate (101) and at an end close to the inclined edge on the tower hanging upper end plate (103), and the tower end special-shaped hanging plate (100) is connected to the insulator string (300) via the hanging ring hanging hole (1031).

3. The triple-quadruple split high-strength tension insulator string according to claim 2, characterized in that: A tower end hardware hanging hole (1021) is provided on the lower end plate (102) of the tower hanger at an end close to one of the hypotenuses, and a portion of the tower end hardware (400) is connected to the tower end hardware hanging hole (1021), while another portion of the tower end hardware (400) is installed between the hanging ring hanging hole (1031) and the insulator string (300).

4. The triple-quadruple split high-strength tension insulator string according to claim 1, characterized in that: The front ends of the upper end plate (203) of the wire hanger are provided with protrusions on both sides, and the protrusions on the upper end plate (203) of the wire hanger and the vertical plate (201) of the wire hanger are provided with cornbread hanging holes (2031), and a part of the wire end fitting (500) is connected to the cornbread hanging hole (2031).

5. The triple-quadruple split high-strength tension insulator string according to claim 4, characterized in that: The lower end plate (202) of the wire hanger is of an isosceles trapezoidal structure as a whole, and a wire end hardware hanging hole (2021) is provided at the vertex of the lower end plate (202) close to the waist, and another part of the wire end hardware (500) is connected to the wire end hardware hanging hole (2021).

6. The triple-quadruple split high-strength tension insulator string according to claim 3, characterized in that: The tower end fitting (400) comprises a ball head hanging ring (406), one end of which is mounted in a hanging ring hanging hole (1031), and the other end of which is connected to an insulator string (300). An upper end equalizing ring (405) is also mounted on the tower hanging upper end plate (103).

7. The triple-quadruple split high-strength tension insulator string according to claim 6, characterized in that: The tower end fitting (400) further comprises a parallel hanging plate (402), one end of which is provided with a straight plate hanging ring (401) connected to a tower end fitting hanging hole (1021), the other end of which is connected to an adjustment plate (403), and the end of the adjustment plate (403) is equipped with a first U-shaped buckle group (404), the first U-shaped buckle group (404) being formed by two buckle hooks being cross-hooked.

8. The triple-quadruple split high-strength tension insulator string according to claim 4, characterized in that: The wire end fitting (500) comprises a steamed bun hanging plate (501), and the steamed bun hanging plate (501) is inserted into the steamed bun hanging hole (2031), the steamed bun hanging plate (501) and the steamed bun hanging hole (2031) are fixed by bolts, the other end of the steamed bun hanging plate (501) is connected to the insulator string (300), and the wire hanging upper end plate (203) is also equipped with a lower end equalizing ring (502).

9. The triple-quadruple split high-strength tension insulator string according to claim 5, characterized in that: The wire end fitting (500) further comprises an adjustment plate (503), and the adjustment plate (503) is connected to the wire end fitting hanging hole (2021) by means of a bolt group, an extension rod (504) is slidably connected inside the adjustment plate (503), and the end of the extension rod (504) is equipped with a second U-shaped buckle group (505), the end of the second U-shaped buckle group (505) is equipped with a tension clamp (506), and a conductor connector (507) is installed at the lower end of the tension clamp (506).

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