CN219498490U

CN219498490U - Lightning arrester for power distribution network

Info

Publication number: CN219498490U
Application number: CN202320682639.7U
Authority: CN
Inventors: 刘晓辉
Original assignee: State Grid Henan Electric Power Co Zhengzhou Power Supply Co
Current assignee: State Grid Henan Electric Power Co Zhengzhou Power Supply Co
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-08-08
Anticipated expiration: 2033-03-31

Abstract

The utility model relates to the technical field of lightning protection devices of power distribution networks and discloses a lightning protection device of a power distribution network, which comprises a lightning rod main body, wherein a base plate is arranged at the bottom of the lightning rod main body and is arranged on an iron tower installation beam through a fixing piece, communicating through holes are formed in the base plate and the installation beam, and the fixing piece is arranged in the through holes in a penetrating mode; the fixing piece comprises a reinforcing piece and an inserting piece, the reinforcing piece comprises a reinforcing block, a reinforcing hole is formed in the reinforcing block, a reinforcing cylinder communicated with the reinforcing hole is arranged at the bottom of the reinforcing block, and limit slots which are correspondingly communicated are formed in two sides of the reinforcing cylinder; the plug connector comprises a plug ring, a plug board matched with the limit slot hole is arranged in the plug ring, a plug rod is arranged on the plug board, and the plug rod penetrates through the reinforcing cylinder and the reinforcing hole and is connected with the reinforcing block through a fastening mechanism. Compared with the traditional bolt connection, the mounting mode is simpler and faster, the dismounting speed is higher, the overhead operation time of workers can be reduced, and the risk possibly caused by overhead operation is reduced.

Description

Lightning arrester for power distribution network

Technical Field

The utility model relates to the technical field of lightning arresters of power distribution networks, in particular to a lightning arrester of a power distribution network.

Background

The lightning rod, also called lightning rod, is a device for protecting buildings, tall trees and the like from lightning stroke, and a lightning arrester is arranged at the top end of a protected object. Lightning protection devices are arranged at the top end of the iron tower of the power distribution network.

According to the power grid lightning protection positioning device with the reference publication number of CN211236086U, although the device has a good lightning protection function, the device needs to use a plurality of tools during installation, so that the device needs to carry more tools for high-altitude operators, is more laborious during installation, prolongs the high-altitude residence time of the operators, and increases the possibility of accidents caused by long-time high-altitude operation of the operators.

The lightning protection device for the power distribution network is simple in installation mode with reference to the publication number CN217522375U, and bolts are used for installing the base on the main body or installing the lightning protection device on the base. The bolts are simple in fastening mode, but the installation and replacement of the device are laborious, and operators need a large effort to screw or unscrew the bolts.

Disclosure of Invention

Aiming at the defects in the background technology, the utility model provides a lightning arrester for a power distribution network, which solves the problem that the installation of the device in the background technology is time-consuming and labor-consuming.

The technical scheme of the utility model is realized as follows:

the utility model provides a distribution network lightning arrester, includes the lightning rod main part, and lightning rod main part bottom is equipped with the base plate, and the base plate passes through the mounting and installs on the roof beam at iron tower top, has offered the perforation of intercommunication on base plate and the mounting beam, and the mounting wears to establish in the perforation;

the fixing piece comprises a reinforcing piece and an inserting piece, the reinforcing piece comprises a reinforcing block, a reinforcing hole is formed in the reinforcing block, a reinforcing cylinder with an inner cylinder communicated with the reinforcing hole is arranged at the bottom of the reinforcing block, and limit slots which are correspondingly communicated are formed in two sides of the reinforcing cylinder;

the plug connector comprises a plug ring, a plug board matched with the limit slot hole is fixed in the plug ring, a plug rod is fixed on the plug board, the plug rod is inserted into the reinforcing cylinder, and the plug rod penetrates through the corresponding reinforcing hole and is connected with the reinforcing block through the fastening mechanism.

Further, fastening mechanism is including seting up consolidate the groove on the hole wall of the hole, consolidate the groove and be equipped with two, two consolidate the groove and set up with the center pin symmetry of consolidating the hole, consolidate the inslot and be equipped with the gusset plate through elastic component I activity, consolidate one side that the groove tank bottom was kept away from to the gusset plate is fixed with the tooth, the tooth's socket with tooth looks adaptation has been seted up on the lateral wall of spliced pole orientation consolidate the groove, the tooth inserts the fastening of spliced pole in the strengthening piece of realization in the tooth's socket that corresponds.

Further, the beveled side of the tooth is closer to the reinforcement cylinder than the planar side thereof.

Further, the teeth are arranged on the reinforcing plate, the teeth are uniformly distributed along the central axial direction of the reinforcing block, the tooth grooves are formed in the inserting rod, and the tooth grooves are distributed on the side wall of the inserting rod along the axial direction of the inserting rod.

Further, a limiting component is arranged between the reinforcing plate and the reinforcing groove and comprises limiting grooves formed in the groove walls on two sides of the reinforcing groove, limiting strips are fixed on the side walls of the reinforcing plate, facing the limiting grooves, and are inserted into the corresponding limiting grooves to be in contact with the groove bottoms of the limiting grooves.

Further, in the initial state, the reinforcing plate stretches to the reinforcing groove opening under the action of the elastic piece I and the limiting component, and the tooth is positioned outside the reinforcing groove opening.

Further, be equipped with the quick detach mechanism that the spliced pole of being convenient for breaks away from the reinforcing hole in the reinforcement piece, quick detach mechanism is including seting up the quick detach hole of reinforcement groove tank bottom, quick detach downthehole activity of quick detach inserts and is equipped with the quick detach pole, the one end of quick detach pole with one side fixed connection that the reinforcing plate is close to the reinforcement groove tank bottom, the other end stretches out the quick detach hole and installs the pull ring.

Further, one side of the inserting ring facing the inserting rod is provided with an elastic piece II, and one side of the elastic piece II away from the inserting ring is provided with a supporting ring which can be sleeved on the reinforcing cylinder.

Further, the elastic piece I and the elastic piece II are springs, the elastic piece I is sleeved on the quick-release rod, and the elastic piece II is sleeved on the reinforcing cylinder.

The utility model has the beneficial technical effects that the reinforcing block and the inserting ring are respectively arranged at one side of the base plate, which is far away from the mounting beam, and the inserting rod is inserted into the reinforcing cylinder on the reinforcing block and can be connected with the reinforcing block through the fastening mechanism, so that the installation of the utility model on the power distribution network iron tower can be realized, the inserting plate is directly pressed without other tools, and the installation mode is simpler and faster than the mode through bolts;

the teeth on the reinforcing plate can retract into the reinforcing groove under the pushing of the inserting rod, so that the inserting rod can be smoothly inserted into the reinforcing hole, the elastic piece I can push the reinforcing plate to move, and then the teeth can be pushed to enter the reinforcing hole again, and when the inserting rod is inserted to a proper position and the teeth are inserted into the corresponding adaptive tooth grooves, the installation of the utility model on the power distribution network iron tower is realized;

the operation staff can drive the quick release rod to move towards the direction away from the reinforcing hole through the pull ring, and then drive the reinforcing plate to move towards the direction close to the bottom of the corresponding reinforcing groove, so that the reinforcing plate and teeth can be completely retracted into the corresponding reinforcing groove, the teeth can be separated from the corresponding tooth grooves, the fixed connection between the inserting connection rod and the reinforcing block is released, the inserting connection rod is conveniently pulled out from one side of the reinforcing cylinder away from the reinforcing block, and the connection between the base plate and the mounting beam can be released;

the supporting ring can be supported on the bottom surface of the mounting beam under the action of the restoring force of the elastic piece II, so that the supporting ring is tightly mounted on the mounting beam, and the stability of the supporting ring on the power distribution network iron tower is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required for the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a schematic view of the overall structure of the present utility model mounted on a mounting beam;

FIG. 2 is a schematic cross-sectional view of the present utility model disposed on a mounting beam;

FIG. 3 is a schematic view of a portion of a structure of a fixing member;

fig. 4 is an enlarged schematic view of the portion a in fig. 2.

In the figure, 1, a lightning rod main body; 2. a base plate; 3. mounting a beam; 41. a reinforcing block; 42. reinforcing the hole; 43. a reinforcement cylinder; 44. limiting slot holes; 51. a plug ring; 52. a plug board; 53. inserting a connecting rod; 61. a reinforcing groove; 62. a reinforcing plate; 71. an elastic member I; 72. a quick-release rod; 73. a pull ring; 81. teeth; 82. tooth slots; 91. a limit groove; 92. a limit bar; 10. an elastic member II; 101. and (5) abutting the ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1 and 2, a lightning arrester for an electrical distribution network comprises a lightning rod body 1. The bottom of the lightning rod main body 1 is fixed with a base plate 2, and the base plate 2 is arranged on an installation beam 3 at the top of the iron tower through a fixing piece. Specifically, the base plate 2 and the mounting beam 3 are provided with intercommunicating perforations, the number of the perforations is specifically set according to practical situations, in this embodiment, four perforations on the base plate 2 and the mounting beam 3 are provided, and the four perforations on the base plate 2 are correspondingly communicated with the four perforations on the mounting beam 3.

Referring to fig. 3 and 4, fixing members are provided in the corresponding communicating through holes, and the fixing members include reinforcing members and plug members. The reinforcement comprises a reinforcement block 41, the reinforcement block 41 is preferably a cylindrical block, the reinforcement block 41 is provided with a reinforcement hole 42 coaxially arranged with the reinforcement block 41, and the reinforcement hole 42 is preferably a square hole. The bottom of the reinforcing block 41 is provided with a cylindrical reinforcing cylinder 43 with an inner cylinder correspondingly communicated with the reinforcing hole 42, two sides of the reinforcing cylinder 43 are provided with corresponding communicated limit slotted holes 44, one end of the limit slotted holes 44, which is far away from the reinforcing block 41, penetrates through the reinforcing cylinder 43, and the limit slotted holes 44 enable a part of the cylinder body, which is far away from the reinforcing block 41, of the reinforcing cylinder 43 to be separated into two mutually symmetrical arc plates.

The plug connector comprises a plug ring 51, the plug ring 51 is of an annular plate-shaped structure, a plug plate 52 matched with the hole 44 of the limit groove 91 is fixed in an inner hole of the plug ring 51, and a space reserved between the plug plate 52 and the plug ring 51 corresponds to and is matched with the two arc plates of the reinforcing cylinder 43. The plug board 52 is fixed with a plug rod 53, and the plug rod 53 is matched with the reinforcing cylinder 43. The reinforcement cylinder 43 is inserted into the through-hole of the base plate 2 and protrudes from the through-hole of the mounting beam 3, and the insertion rod 53 is inserted into the reinforcement cylinder 43 from the end of the reinforcement cylinder 43 remote from the reinforcement block 41, and the insertion rod 53 passes through the corresponding reinforcement hole 42 and is connected to the reinforcement block 41 by a fastening mechanism.

The fastening mechanism comprises reinforcing grooves 61 formed in the wall of the reinforcing hole 42, two reinforcing grooves 61 are formed in the reinforcing grooves 61, and the two reinforcing grooves 61 are symmetrically arranged about the central axis of the reinforcing hole 42. The reinforcing plate 62 is movably arranged in the reinforcing groove 61 through an elastic piece I71, the elastic piece I71 is a spring, and two ends of the elastic piece I71 are fixedly connected with the bottom of the reinforcing groove 61 and one side, close to the bottom of the reinforcing groove 61, of the reinforcing plate 62 respectively.

The reinforcing plate 62 is fixed with tooth 81 on one side of the reinforcing groove 61 tank bottom where it is located, and tooth 81 is equipped with a plurality of on reinforcing plate 62, and a plurality of tooth 81 are evenly distributed along the central axial of reinforcing hole 42 in the side of reinforcing plate 62 far away from corresponding reinforcing groove 61 tank bottom. The plugging rod 53 is preferably a strip rod with a square section, tooth grooves 82 matched with the teeth 81 are formed in the side wall of the plugging rod 53 facing the reinforcing groove 61, and the teeth 81 are inserted into the corresponding tooth grooves 82 to fasten the plugging rod 53 in the reinforcing block 41.

In the present utility model, the teeth 81 have a rectangular triangular prism shape, the longitudinal direction of the teeth 81 is perpendicular to the central axis of the reinforcing hole 42, and the inclined surface side of the teeth 81 is closer to the reinforcing tube 43 than the planar side thereof. Only by the above arrangement of the teeth 81, the plugging rod 53 can be smoothly inserted into the reinforcing hole 42 from the end of the reinforcing cylinder 43 away from the reinforcing block 41, and after the teeth 81 enter the corresponding tooth grooves 82, the plugging rod 53 cannot be separated from the reinforcing cylinder 43 by pulling the plugging rod 53 outward in a direction away from the reinforcing block 41, so that the base plate 2 and the mounting beam 3 can be reinforced by the fixing member.

In this embodiment, a plurality of teeth 81 are provided on the reinforcing plate 62, the plurality of teeth 81 are uniformly distributed along the central axial direction of the reinforcing block 41, a plurality of tooth grooves 82 are provided on the plugging rod 53, and the plurality of tooth grooves 82 are distributed along the axial direction of the plugging rod 53 on the side wall of the plugging rod 53. Specifically, the number of the tooth grooves 82 is greater than the number of the tooth teeth 81, and the distance between the adjacent tooth grooves 82 is equal to the distance between the adjacent tooth teeth 81, so as to ensure that the tooth teeth 81 on the reinforcing plate 62 can completely enter the corresponding tooth grooves 82 when the inserting rod 53 is inserted into the reinforcing hole 42. The provision of the plurality of teeth 81 and the tooth grooves 82 can make the connection between the socket bar 53 and the reinforcing block 41 more tight.

A limiting component is arranged between the reinforcing plate 62 and the reinforcing groove 61, and the limiting component comprises limiting grooves 91 formed in groove walls on two sides of the reinforcing groove 61. The side wall of the reinforcing plate 62 facing the limit groove 91 is fixed with a limit bar 92, and the limit bar 92 is inserted into the corresponding limit groove 91 to be contacted with the bottom of the limit groove 91.

It should be noted that, in the initial state of this embodiment, the reinforcing plate 62 extends to the notch of the reinforcing groove 61 under the action of the elastic member i 71 and the limiting component, and the tooth 81 is located outside the notch of the reinforcing groove 61. It is ensured that when the inserting rod 53 is inserted into the reinforcing cylinder 43 and extends to the reinforcing hole 42, the inserting rod 53 can be inserted into the reinforcing hole 42 without being blocked by the reinforcing plate 62, and if the two sides of the top end of the inserting rod 53 are not provided with the tooth grooves 82, the end edge of the inserting rod 53 can still abut against the inclined surface side of the tooth 81, and pressure is applied to the inclined surface side, so that the reinforcing plate 62 is retracted into the corresponding reinforcing groove 61, and further, the inserting rod 53 can be smoothly inserted between the two reinforcing plates 62, and the implementation of the utility model is ensured.

Meanwhile, in the present utility model, a quick-release mechanism for facilitating the insertion rod 53 to be separated from the reinforcing hole 42 is provided in the reinforcing block 41. The quick-release mechanism comprises a quick-release hole formed in the bottom of the reinforcing groove 61, and the axial direction of the quick-release hole is perpendicular to the axial direction of the reinforcing hole 42. A quick-release rod 72 matched with the quick-release hole is movably inserted in the quick-release hole, one end of the quick-release rod 72 is fixedly connected with one side of the reinforcing plate 62, which is close to the bottom of the reinforcing groove 61, and the other end extends out of the quick-release hole and is provided with a pull ring 73.

The operator can drive quick detach pole 72 through pull ring 73 and remove towards the direction of keeping away from reinforcing hole 42, and then drive gusset plate 62 and remove towards the direction that corresponds the stiffening groove 61 tank bottom, and then make gusset plate 62 and tooth 81 can fully retract into corresponding stiffening groove 61, and then can realize tooth 81 and break away from in corresponding tooth's socket 82, remove the fixed connection between plug rod 53 and the reinforcing piece 41, be convenient for pull out plug rod 53 from the one side that reinforcing section of thick bamboo 43 kept away from reinforcing piece 41, can remove the connection between base plate 2 and the mounting beam 3.

The principle of implementation of this embodiment is that, when it is required to mount the base plate 2 with the lightning rod body 1 mounted on the mounting beam 3 at the top of the iron tower, the through holes on the base plate 2 are aligned with the through holes on the mounting beam 3, then one end of the reinforcement cylinder 43 is inserted into the through holes from above the base plate 2 and the reinforcement block 41 is abutted against the base plate 2, and at this time, the end of the reinforcement cylinder 43 away from the reinforcement block 41 protrudes from the inside of the through holes of the mounting beam 3;

then, the plugging ring 51 is aligned with the reinforcing cylinder 43 from the side of the mounting beam 3 away from the base plate 2, and the space between the plugging plate 52 and the inner hole of the plugging ring 51 is aligned with two arc plates at the bottom end of the reinforcing cylinder 43, so that the plugging ring 51 is pushed to move towards the direction approaching to the reinforcing block 41, and in the process, the plugging rod 53 pushes the two opposite reinforcing plates 62 and gradually extends out of the corresponding reinforcing holes 42;

continuing to push the hole plugging ring 51, pushing the plugging ring 51 to a proper position and stopping, at this time, the reinforcing plate 62 pushes the tooth 81 to be inserted into the corresponding tooth socket 82 under the action of the restoring force of the elastic piece I71, so that the connection between the plugging rod 53 and the reinforcing block 41 is realized, and the installation of the utility model on the power distribution network iron tower is realized.

When the utility model needs to be disassembled and replaced, the connection of the utility model on the iron tower installation beam 3 needs to be firstly released, an operator directly pulls the pull ring 73 towards the direction away from each other, and the installation of the utility model on the power distribution network iron tower is realized when the teeth 81 are separated from the corresponding tooth grooves 82.

Compared with the installation and disassembly modes through bolts, the operation mode is simpler and more labor-saving, so that the installation of the lightning arrester on the power distribution network iron tower is faster, the overhead operation time of operators can be reduced, and the possibility of accidents caused by overlong overhead operation time is reduced.

Example 2:

in this embodiment, as shown in fig. 3 and 4, an elastic element ii 10 is disposed on a side of the plugging ring 51 facing the plugging rod 53, the elastic element ii 10 is a spring, the elastic element ii 10 and the plugging ring 51 are coaxially disposed, and a tightening ring 101 coaxially disposed with the plugging ring 51 is fixed to an end of the elastic element ii 10 away from the plugging ring 51.

Specifically, the supporting ring 101 is in an annular plate structure, in this embodiment, the supporting ring 101 is sleeved on the reinforcing cylinder 43, and supports against the mounting beam 3 under the restoring force of the elastic element ii 10, so that the connection between the present utility model and the mounting beam 3 is tighter, and the stability is better.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a distribution network lightning arrester, includes lightning rod main part (1), its characterized in that: the bottom of the lightning rod main body (1) is provided with a base plate (2), the base plate (2) is arranged on an installation beam (3) at the top of the iron tower through a fixing piece, the base plate (2) and the installation beam (3) are provided with intercommunicated through holes, and the fixing piece is arranged in the through holes in a penetrating way;

the fixing piece comprises a reinforcing piece and an inserting piece, the reinforcing piece comprises a reinforcing block (41), a reinforcing hole (42) is formed in the reinforcing block (41), a reinforcing cylinder (43) with an inner cylinder communicated with the reinforcing hole (42) is arranged at the bottom of the reinforcing block (41), and limit slots (44) which are correspondingly communicated are formed in two sides of the reinforcing cylinder (43);

the plug connector comprises a plug ring (51), a plug plate (52) matched with the limit slot hole (44) is fixed in the plug ring (51), a plug rod (53) is fixed on the plug plate (52), the plug rod (53) is inserted into the reinforcing cylinder (43), and the plug rod (53) penetrates through the corresponding reinforcing hole (42) and is connected with the reinforcing block (41) through the fastening mechanism.

2. A lightning arrester for an electrical distribution network according to claim 1, wherein: the fastening mechanism comprises reinforcing grooves (61) formed in the wall of the reinforcing hole (42), the reinforcing grooves (61) are formed in two, the two reinforcing grooves (61) are symmetrically arranged around the central axis of the reinforcing hole (42), reinforcing plates (62) are movably arranged in the reinforcing grooves (61) through elastic pieces I (71), teeth (81) are fixed on one side, away from the bottoms of the reinforcing grooves (61), of the reinforcing plates (62), of the reinforcing grooves, tooth grooves (82) matched with the teeth (81) are formed in the side walls, facing the reinforcing grooves (61), of the inserting rods (53), and the teeth (81) are inserted into the corresponding tooth grooves (82) to fasten the inserting rods (53) in the reinforcing blocks (41).

3. A lightning arrester for an electrical distribution network according to claim 2, wherein: the bevel side of the tooth (81) is closer to the reinforcement cylinder (43) than the flat side thereof.

4. A lightning conductor for an electrical distribution network according to claim 3, wherein: the tooth teeth (81) are arranged on the reinforcing plate (62), the plurality of tooth teeth (81) are uniformly distributed along the central axial direction of the reinforcing block (41), the tooth grooves (82) are formed in the inserting connection rod (53), and the plurality of tooth grooves (82) are distributed on the side wall of the inserting connection rod (53) along the axial direction of the inserting connection rod (53).

5. A lightning protection device for an electrical distribution network according to any of claims 2-4, wherein: the reinforcing plate (62) and be equipped with spacing subassembly between reinforcing groove (61), spacing subassembly is including seting up spacing groove (91) on reinforcing groove (61) both sides cell wall, be fixed with spacing (92) on reinforcing plate (62) orientation spacing groove (91) lateral wall, spacing (92) insert in corresponding spacing groove (91) with the tank bottom contact of spacing groove (91).

6. A lightning conductor for an electrical distribution network according to claim 5, wherein: in an initial state, the reinforcing plate (62) stretches to the notch of the reinforcing groove (61) under the action of the elastic piece I (71) and the limiting component, and the tooth teeth (81) are positioned outside the notch of the reinforcing groove (61).

7. A lightning conductor for an electrical distribution network according to claim 6, wherein: be equipped with the quick detach mechanism that is convenient for insert pole (53) break away from reinforcing hole (42) in reinforcing block (41), quick detach mechanism is including seting up the quick detach hole of reinforcing groove (61) tank bottom, quick detach downthehole activity of inserting is equipped with quick detach pole (72), one end of quick detach pole (72) with reinforcing plate (62) are close to one side fixed connection of reinforcing groove (61) tank bottom, the other end stretches out the quick detach hole and installs pull ring (73).

8. A lightning conductor for an electrical distribution network according to claim 7, wherein: an elastic piece II (10) is arranged on one side, facing the plugging rod (53), of the plugging ring (51), and a supporting ring (101) capable of being sleeved on the reinforcing cylinder (43) is arranged on one side, far away from the plugging ring (51), of the elastic piece II (10).

9. A lightning conductor for an electrical distribution network according to claim 8, wherein: the elastic piece I (71) and the elastic piece II (10) are springs, the elastic piece I (71) is sleeved on the quick-release rod (72), and the elastic piece II (10) is sleeved on the reinforcing cylinder (43).