Lightning arrester installation fitting for power transmission line strain tower

Abstract

The utility model discloses a lightning arrester installation fitting for a tension tower of a power transmission line, and belongs to the field of lightning arresters. The lightning arrester installation fitting comprises a line tension insulator set composed of two line tension insulators which are symmetrically arranged in parallel, the two ends of the line tension insulator set are both connected with a triangular yoke plate which is horizontally arranged, the ends of the two line tension insulators are connected with the bottom corners of the triangular yoke plate respectively, a lightning arrester support is fixedly installed on the triangular yoke plate, and the lightning arrester support is fixedly installed on the triangular yoke plate. The lightning arrester support comprises a bottom plate, a vertical supporting plate is fixed on the bottom plate, and a lightning arrester capable of being rotationally adjusted is installed on the supporting plate. According to the utility model, the installation and application modes of the line lightning arrester on the strain tower are unified, a standardized installation fitting is provided, and the problems that the installation modes are diversified and strength calculation and checking need to be carried out repeatedly are solved.

Description

Technical Field

[0001] The utility model relates to the field of lightning arresters, in particular to a lightning arrester mounting hardware for a transmission line tension tower. Background Art

[0002] In my country, the power grid is widely distributed, and lightning strikes are the primary cause of power grid failures, accounting for more than 50%. With the promotion and use of line arresters, line lightning tripping has been alleviated to a certain extent. Due to the special structural type of the transmission line tension tower, its lightning induction surface is larger than that of the straight tower. However, since the line arrester is not convenient to install on the tension tower, the line lightning protection transformation is usually limited to the straight tower. According to statistics, from April to June 2020 alone, 110kV and 220kV tension towers in a certain province caused 47 line trips due to lightning strikes, and the lightning flashover failure rate was high. How to achieve convenient and quick installation of line arresters on tension towers is one of the key tasks to ensure the safety of lightning protection and reliable operation of the entire line.

[0003] Therefore, there is an urgent need for a transmission line arrester installation hardware for the tension tower to realize the standardized installation application of the line arrester on the tension tower and solve the problem of various installation methods. Summary of the invention

[0004] The utility model provides a lightning arrester installation hardware for a transmission line tension tower, which unifies the installation and application methods of line lightning arresters on tension towers, provides standardized installation hardware, and solves the problem of various installation methods and the need for repeated strength calculation and verification.

[0005] To achieve the above-mentioned purpose, the utility model designs a lightning arrester mounting hardware for a transmission line tension tower, comprising two parallel and symmetrically arranged line tension insulators forming a line tension insulator group, which is characterized in that both ends of the line tension insulator group are connected to a horizontally arranged triangular connecting plate, and the ends of the two line tension insulators are respectively connected to the bottom angles of the triangular connecting plate, a lightning arrester support is fixedly installed on the triangular connecting plate, and the lightning arrester support comprises a bottom plate, a vertical support plate is fixed on the bottom plate, and a rotatable and adjustable lightning arrester is installed on the support plate.

[0006] Preferably, the end of the line tension insulator is connected to the end corner of the delta connecting plate through a hardware connection assembly, and the hardware connection assembly includes a U-shaped ring, a U-shaped opening is opened at the tail end of the U-shaped ring, a ball head hardware is connected to the U-shaped opening, and cap sockets are provided at both ends of the line tension insulator, and the ball head hardware is installed in the cap socket.

[0007] Preferably, the ball head hardware includes a ball head and a ball shaft that are fixedly connected, the tail of the ball shaft is provided with a connecting through hole, the tail of the ball shaft is inserted into the U-shaped opening and fixed by bolts and nuts, and the ball head is installed in the cap socket.

[0008] Preferably, a mounting hole is provided at a top corner of the support plate, and a plurality of adjustment holes are evenly spaced apart next to the mounting hole, and the plurality of adjustment holes are distributed with the mounting hole as the center of a circle.

[0009] Preferably, the arrester comprises an arrester body, a arrester mounting plate is fixed to the tail end of the arrester body, and the arrester mounting plate is provided with a first connecting hole corresponding to the mounting hole and a second connecting hole matching any one of the adjustment holes.

[0010] Preferably, a central angle formed by adjacent adjustment holes with the mounting hole as the center is 15-20°.

[0011] Preferably, the number of the adjustment holes is 5 to 8.

[0012] Preferably, the bottom plate is provided with two waist-shaped holes, the triangular connecting plate is provided with through holes corresponding to the waist-shaped holes, and the waist-shaped holes and the through holes are provided with bolts and nuts that match each other.

[0013] Preferably, support plates are provided on both sides of the support plate, and the bottom of the support plate is fixedly connected to the base plate.

[0014] Preferably, fixing holes are provided at the bottom corners of the triangular connecting plates, and the two fixing holes are fixed to the open ends of two oppositely arranged U-shaped rings by bolts and nuts.

[0015] Preferably, the support plate has a thickness of 10-20 mm.

[0016] Beneficial effects of the utility model:

[0017] The utility model provides mounting hardware for the installation of line lightning arresters on tension towers, realizing universal installation on tension towers; mounting holes and a series of adjustment holes are arranged on the mounting hardware, making the installation of the lightning arrester and the adjustment of the gap distance more convenient; the standardization of the mounting hardware unifies the installation and application methods of the line lightning arresters on the tension towers, provides standardized mounting hardware, and solves the problem of various installation methods and the need for repeated strength calculation and verification. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the utility model of the lightning arrester installation hardware for the transmission line tension tower;

[0019] Figure 2 This is a front view structural diagram of the lightning arrester support of the utility model;

[0020] Figure 3 It is a schematic diagram of the top view of the structure of the lightning arrester support of the utility model;

[0021] Figure 4It is a schematic diagram of the top view of the triangular connecting plate of the utility model;

[0022] Figure 5 This is a schematic diagram of the top view installation structure of the triangular connecting plate of the utility model;

[0023] Reference numerals:

[0024] 1 line tension insulator, 11 cap sockets,

[0025] 2 ball head hardware, 21 ball head, 22 clubs,

[0026] 3U-shaped ring, 31U-shaped mouth,

[0027] 4 triangle connecting plate, 41 through hole, 42 fixing hole,

[0028] 5 lightning arrester support, 51 bottom plate, 511 waist-shaped hole, 52 support plate, 521 mounting hole, 522 adjustment hole, 53 support plate,

[0029] 6 lightning arrester, 61 lightning arrester body, 62 lightning arrester mounting plate, 621 first connecting hole, 622 second connecting hole. DETAILED DESCRIPTION

[0030] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0031] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0032] It should be understood that the orientation or position relationship indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element 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 application.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0034] References to "one embodiment" or "some embodiments" etc. described in the specification of this application mean that one or more embodiments of the present application include specific features, structures or characteristics described in conjunction with the embodiment. Therefore, the statements "in one embodiment", "in some embodiments", "in some other embodiments", "in some other embodiments", etc. that appear in different places in this specification do not necessarily refer to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized in other ways. The terms "including", "comprising", "having" and their variations all mean "including but not limited to", unless otherwise specifically emphasized in other ways.

[0035] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0036] Example 1

[0037] like Figures 1 to 5 The illustrated transmission line tension tower lightning arrester installation hardware comprises two parallel and symmetrically arranged line tension insulators 1 forming a line tension insulator group, both ends of the line tension insulator group are connected to a horizontally arranged triangular connecting plate 4, and the ends of the two line tension insulators are respectively connected to the bottom corners of the triangular connecting plate 4, and the ends of the line tension insulators are connected to the end corners of the triangular connecting plate 4 through a hardware connection assembly, and the hardware connection assembly comprises a U-shaped ring 3, and a U-shaped opening 31 is provided at the tail end of the U-shaped ring 3, and a ball head hardware 2 is connected in the U-shaped opening 31, and a cap socket 11 is provided at both ends of the line tension insulator 1, and the ball head hardware 2 is installed in the cap socket 11. The ball head hardware 2 comprises a fixedly connected ball head 21 and a ball rod 22, and a connecting through hole is provided at the tail of the ball rod 22, and the tail of the ball rod 22 is inserted into the U-shaped opening 31, fixed by bolts and nuts, and the ball head 21 is installed in the cap socket 11. The bottom corners of the triangular connecting plate 4 are each provided with fixing holes 42 , and the two fixing holes 42 are fixed to the open ends of two oppositely arranged U-shaped rings 3 by bolts and nuts.

[0038] The triangular connecting plate 4 is fixedly provided with a lightning arrester support 5, which includes a bottom plate 51, a vertical support plate 52 is fixed on the bottom plate 51, support plates 53 are provided on both sides of the support plate 52, and the bottom of the support plate 53 is fixedly connected to the bottom plate 51. Two waist-shaped holes 511 are provided on the bottom plate 51, and through holes 41 corresponding to the waist-shaped holes 511 are provided on the triangular connecting plate 4, and bolts and nuts that cooperate with each other are provided in the waist-shaped holes 511 and the through holes 41. A rotatably adjustable lightning arrester 6 is installed on the support plate 52.

[0039] A mounting hole 521 is provided at the top corner of the support plate 52, and five adjustment holes 522 are evenly spaced next to the mounting hole 521, and the five adjustment holes 522 are distributed around the mounting hole 521. The central angle formed by adjacent adjustment holes 522 around the mounting hole 521 is 20°.

[0040] The arrester 6 comprises an arrester body 61 , a rear end of which is fixedly provided with an arrester mounting plate 62 , the arrester mounting plate 62 being provided with a first connection hole 621 corresponding to the mounting hole 521 and a second connection hole 622 matching with any one of the adjustment holes 522 .

[0041] The embodiments described above are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, a person skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application, and should all be included in the protection scope of the present application.

Claims

1. A lightning arrester mounting hardware for a transmission line tension tower, comprising two line tension insulators (1) arranged in parallel and symmetrically to form a line tension insulator group, characterized in that: Both ends of the line tension insulator group are connected to a horizontally arranged triangular connecting plate (4), and the ends of the two line tension insulators are respectively connected to the bottom angles of the triangular connecting plate (4). A lightning arrester support (5) is fixedly mounted on the triangular connecting plate (4). The lightning arrester support (5) comprises a bottom plate (51), a vertical support plate (52) is fixed on the bottom plate (51), and a rotatably adjustable lightning arrester (6) is mounted on the support plate (52).

2. The lightning arrester mounting hardware for a transmission line tension tower according to claim 1 is characterized in that: The end of the line tension insulator is connected to the end corner of the delta connecting plate (4) through a hardware connection assembly, the hardware connection assembly comprises a U-shaped ring (3), a U-shaped opening (31) is provided at the rear end of the U-shaped ring (3), a ball head hardware (2) is connected in the U-shaped opening (31), and both ends of the line tension insulator (1) are provided with a cap socket (11), and the ball head hardware (2) is installed in the cap socket (11).

3. The lightning arrester mounting hardware for a transmission line tension tower according to claim 2 is characterized in that: The ball head hardware (2) comprises a ball head (21) and a ball rod (22) which are fixedly connected. The tail of the ball rod (22) is provided with a connecting through hole. The tail of the ball rod (22) is inserted into the U-shaped opening (31) and fixed by bolts and nuts. The ball head (21) is installed in the cap socket (11).

4. The lightning arrester mounting hardware for a transmission line tension tower according to claim 1, characterized in that: A mounting hole (521) is provided at a top corner of the support plate (52), and a plurality of adjustment holes (522) are evenly spaced next to the mounting hole (521), and the plurality of adjustment holes (522) are distributed with the mounting hole (521) as the center of a circle.

5. The lightning arrester mounting hardware for a transmission line tension tower according to claim 4, characterized in that: The lightning arrester (6) comprises a lightning arrester body (61), a lightning arrester mounting plate (62) being fixed to the rear end of the lightning arrester body (61), and the lightning arrester mounting plate (62) being provided with a first connecting hole (621) corresponding to the mounting hole (521) and a second connecting hole (622) matching any one of the adjustment holes (522).

6. The lightning arrester mounting hardware for a transmission line tension tower according to claim 4, characterized in that: The central angle formed by adjacent adjustment holes (522) with the mounting hole (521) as the center is 15-20°.

7. The lightning arrester mounting hardware for a transmission line tension tower according to claim 4, characterized in that: The number of the adjustment holes (522) is 5 to 8.

8. The lightning arrester mounting hardware for a transmission line tension tower according to claim 1, characterized in that: The bottom plate (51) is provided with two waist-shaped holes (511), the triangular connecting plate (4) is provided with through holes (41) corresponding to the waist-shaped holes (511), and bolts and nuts that match each other are provided in the waist-shaped holes (511) and the through holes (41).

9. The lightning arrester mounting hardware for a transmission line tension tower according to claim 1, characterized in that: Support plates (53) are provided on both sides of the support plate (52), and the bottom of the support plate (53) is fixedly connected to the bottom plate (51).

10. The lightning arrester mounting hardware for a transmission line tension tower according to claim 1, characterized in that: The bottom corners of the triangular connecting plates (4) are each provided with fixing holes (42), and the two fixing holes (42) are fixed to the open ends of two oppositely arranged U-shaped rings (3) by means of bolts and nuts.

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