CN112735712B

CN112735712B - Lightning protection device

Info

Publication number: CN112735712B
Application number: CN202011613784.7A
Authority: CN
Inventors: 王松; 曹柱; 王明楠; 林窈甸; 林剑锋; 林建伟
Original assignee: Zhejiang Fuerte Electrical Apparatus Co ltd
Current assignee: Zhejiang Fuerte Electrical Apparatus Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2022-02-22
Anticipated expiration: 2040-12-30
Also published as: CN112735712A

Abstract

The utility model relates to a lightning protection device, which comprises a housin, the upper end of casing is connected with rain-proof cover, the lateral wall of casing is connected with the striking stick, the lower terminal surface sliding connection of rain-proof cover has the regulating plate, one side that the regulating plate faced rain-proof cover is connected with the sliding block, the lower terminal surface of rain-proof cover is seted up and is supplied the sliding block card to go into and gliding adjustment tank, the lower terminal surface of rain-proof cover be connected with sliding tank length direction vertically regulation strip, one side threaded connection that the regulation strip deviates from the regulating plate has adjusting bolt, adjusting bolt's one end is rotated with one side of regulating plate orientation regulation strip and is connected. Before the installation lightning protection device, rotatory adjusting bolt, adjusting bolt drive regulating plate slides for rain-proof cover to adjustment regulating plate and the clearance between the striking stick, even make and form fixed clearance between striking stick and the rain-proof cover, and then ensure that the lightning protection device can normal operating.

Description

Lightning protection device

Technical Field

The invention relates to the field of lightning protection equipment, in particular to a lightning protection device.

Background

Lightning strikes can cause damage and destruction of electric power facilities in different forms, and thundercloud discharge can cause lightning overvoltage in an electric power system. The lightning protection of the power transmission line is always an important content of the lightning protection work of the power department, and the power department generally adopts the mode of additionally arranging a line lightning protector on the power transmission line to realize the protection. The lightning protector is an electrical device which can release lightning or release overvoltage energy for operating an electric power system, protect electrical equipment from being damaged by instantaneous overvoltage, cut off follow current and avoid causing system grounding short circuit. The lightning protection device generally includes the casing, installs the rain-proof cover of lightning protection on the casing and installs the striking stick on the casing, forms fixed clearance between rain-proof cover of lightning protection and the striking stick, punctures fixed clearance when producing the overvoltage to through lightning protection device body release overvoltage, protection wire and corresponding other electrical equipment.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the lightning protection device is in handling, and the striking stick receives the collision and takes place deformation easily for can't form the fixed clearance between striking stick and the rain-proof cover of lightning protection, thereby influence the lightning protection device normal operating, consequently remain to improve.

Disclosure of Invention

The invention provides a lightning protection device, aiming at solving the problem that a fixed gap cannot be formed between an arc striking rod and a rain cover.

The lightning protection device provided by the invention adopts the following technical scheme:

the utility model provides a lightning protection device, includes the casing, the upper end of casing is connected with rain-proof cover, the lateral wall of casing is connected with the striking stick, the lower terminal surface sliding connection of rain-proof cover has the regulating plate, the regulating plate is connected with the sliding block towards one side of rain-proof cover, the lower terminal surface of rain-proof cover has been seted up and has been supplied the sliding block card to go into and gliding adjustment tank, the lower terminal surface of rain-proof cover be connected with sliding tank length direction vertically regulation strip, one side threaded connection that the regulation strip deviates from the regulating plate has adjusting bolt, adjusting bolt's one end and one side rotation of regulating plate orientation regulation strip are connected.

Through adopting above-mentioned technical scheme, before the installation lightning protection device, rotatory adjusting bolt, adjusting bolt drive regulating plate slides for rain-proof cover to adjustment regulating plate and the clearance between the striking stick, even make and form fixed clearance between striking stick and the rain-proof cover, and then ensure that the lightning protection device can normal operating.

Optionally, the upper end of casing is connected with the erection column, the mounting hole that supplies the erection column to pass is seted up at the middle part of rain-proof cover, the up end of rain-proof cover has the go-between of surrounding in the erection column outside along circumference connection, the fixed slot has been seted up on the lateral wall of erection column, it has the fixed arm to articulate on the lower extreme inside wall of fixed slot, the lateral wall of go-between has the collar along circumference connection, and when the fixed arm rotated to the horizontality, the fixed arm was hugged closely with the up end of collar, wear to be equipped with fixing bolt jointly between collar and the fixed arm, fixing bolt's one end threaded connection has fixation nut.

Through adopting above-mentioned technical scheme, establish rain-proof cover on the erection column, rotate the fixed arm to the horizontality afterwards for the fixed arm is hugged closely with the up end of collar, passes fixed arm and collar in proper order with fixing bolt again, then screws fixation nut, thereby is in the same place fixed with the collar, and then the restriction rain-proof cover breaks away from the erection column.

Optionally, the fixing bolt is sleeved with a spring washer, one end of the spring washer abuts against a nut of the fixing bolt, and the other end of the spring washer abuts against the upper end face of the mounting ring.

Through adopting above-mentioned technical scheme, after screwing fixation nut, fixing bolt compresses tightly the spring washer, and the spring washer can give a tight power in top of fixing bolt to make fixing bolt's external screw thread top internal thread on the fixation nut, reduce fixing bolt and take place not hard up possibility.

Optionally, the up end of erection column is seted up along self length direction and is supplied adjusting bolt's nut card to go into and gliding mounting groove, the mounting groove communicates with the lateral wall of erection column, be connected with fastening spring on the mounting groove keeps away from adjusting bolt's the inside wall of nut, fastening spring is connected with the mounting plate that is used for pushing up tight adjusting bolt towards the one end of adjusting strip, the lower extreme of mounting plate is connected with the dovetail, the diapire of mounting groove has been seted up along fastening spring's length direction and has been supplied dovetail card to go into and gliding dovetail.

Through adopting above-mentioned technical scheme, after adjusting bolt's position, go into adjusting bolt card in the mounting groove, thereby fastening spring passes through the mounting plate and tightly pushes up adjusting bolt, reduces adjusting bolt not hard up possibility.

Optionally, the inside wall of collar is connected with and is used for the sealed piece of card income mounting groove, sealed piece all hugs closely with every inside wall of mounting groove.

Through adopting above-mentioned technical scheme, go into back in the mounting groove with sealed piece card, sealed piece can be dead with the upper end opening of mounting groove, reduces the rainwater and flows down from the upper end opening of mounting groove.

Optionally, a positioning groove for clamping the nut of the adjusting bolt is formed in one side of the fastening plate facing the adjusting bolt.

Through adopting above-mentioned technical scheme, go into adjusting bolt's nut card back in the constant head tank, can carry out a preliminary locking to adjusting bolt, avoid adjusting bolt accident to deviate from the mounting groove, make things convenient for the installation of follow-up rain cover.

Optionally, the inner side wall of the positioning groove is provided with an elastic pad for tightly attaching to a nut of the adjusting bolt.

By adopting the technical scheme, after the nut of the adjusting bolt is clamped into the positioning groove, the elastic pad is extruded by the nut to deform, so that a jacking force is given to the nut, and the possibility of rotation of the nut is reduced; in addition, the elastic pad can wrap the screw cap of the adjusting bolt, and the corrosion of the screw cap is reduced.

Optionally, the upper end of the fastening plate is connected with a guide plate, and the upper end of the guide plate inclines towards the direction of the fastening spring.

Through adopting above-mentioned technical scheme, when going into the mounting groove with adjusting bolt's nut card, the nut earlier with the guide piece contact, pushes down adjusting bolt after that to make adjusting bolt along the quick card of the length direction of guide piece go into the mounting groove in, labour saving and time saving.

In summary, the invention includes at least one of the following beneficial technical effects:

1. before the lightning protection device is installed, the adjusting bolt is rotated and drives the adjusting plate to slide relative to the rain cover, so that the gap between the adjusting plate and the arc striking rod is adjusted, namely a fixed gap is formed between the arc striking rod and the rain cover, and the normal operation of the lightning protection device is ensured;

2. the fixing arm is connected with the mounting post in a sleeved mode, the fixing arm is connected with the mounting post in a rotating mode, the fixing arm is connected with the mounting post in a tightly screwed mode, and the fixing arm is connected with the mounting post in a sleeved mode.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic sectional view taken along the plane a-a in fig. 1.

Fig. 3 is an enlarged schematic view of region B in fig. 2.

Fig. 4 is an enlarged schematic view of region C in fig. 2.

Description of reference numerals: 1. a housing; 2. a rain cover; 21. an adjustment groove; 22. mounting holes; 221. a sealing block; 23. a connecting ring; 24. a mounting ring; 25. fixing the bolt; 26. fixing a nut; 27. a spring washer; 3. an arc striking rod; 4. an adjusting plate; 41. a slider; 5. an adjustment bar; 6. adjusting the bolt; 7. mounting a column; 71. fixing grooves; 72. a fixed arm; 73. mounting grooves; 731. a dovetail groove; 74. a fastening spring; 75. a fastening plate; 751. positioning a groove; 752. an elastic pad; 76. a dovetail strip; 8. a guide piece.

Detailed Description

The invention is described in further detail below with reference to figures 1-4.

The embodiment of the invention discloses a lightning protection device. Referring to fig. 1, including insulating casing 1, the upper end of casing 1 can be dismantled and be connected with rain-proof cover 2 that is the round platform form, and the lateral wall fixedly connected with of casing 1 is the striking stick 3 of L shape.

Referring to fig. 2, the one end sliding connection that the lower terminal surface of rain-proof cover 2 is close to striking stick 3 has regulating plate 4, regulating plate 4 has sliding block 41 towards one side integrated into one piece of rain-proof cover 2, the lower terminal surface of rain-proof cover 2 radially has seted up along self and has supplied sliding block 41 card to go into and gliding adjustment tank 21, regulating plate 4 can follow the length direction reciprocating motion of adjustment tank 21 to be convenient for adjust striking stick 3 and keep away from the clearance between one end of casing 1 and the regulating plate 4.

Referring to fig. 2, rain-proof cover 2's lower terminal surface fixedly connected with and sliding tray length direction vertically regulation strip 5, the middle part threaded connection that regulation strip 5 deviates from one side of regulating plate 4 has adjusting bolt 6, and adjusting bolt 6 is hexagon socket head cap screw, and adjusting bolt 6's one end is rotated with one side of regulating plate 4 orientation regulation strip 5 and is connected. Rotating adjusting bolt 6, adjusting bolt 6 drive regulating plate 4 slides for rain-proof cover 2 to the distance between regulating plate 4 and the striking stick 3 is adjusted, ensures that the lightning protection device can normal operating.

Referring to fig. 2 and 3, the mounting column 7 is fixedly connected to the upper end of the housing 1 along the vertical direction, the mounting hole 22 for the mounting column 7 to pass through is formed in the middle of the rain cover 2, the connecting ring 23 surrounds the mounting column 7 along the circumferential direction and is fixedly connected to the upper end face of the rain cover 2, and the inner side wall of the connecting ring 23 is tightly attached to the outer side wall of the mounting column 7. The upper end of the connecting ring 23 is turned over outwards by 90 degrees to form a mounting ring 24, a fixing groove 71 is formed in the outer side wall of the mounting column 7 along the vertical direction, and a fixing arm 72 is hinged to the inner side wall of the lower end of the fixing groove 71. When rain-proof cover 2 is installed, pass mounting hole 22 on rain-proof cover 2 with erection column 7, then rotate fixed arm 72 to the horizontality, fixed arm 72 hugs closely with the up end of collar 24, wears to be equipped with fixing bolt 25 between collar 24 and the fixed arm 72 jointly, and fixing bolt 25's one end threaded connection has fixation nut 26. The fixing bolt 25 is further sleeved with a spring washer 27, one end of the spring washer 27 tightly supports the nut of the fixing bolt 25, and the other end of the spring washer 27 tightly supports the upper end face of the mounting ring 24. The spring washer 27 can reduce the possibility of loosening of the fixing bolt 25.

Referring to fig. 2 and 4, the nut that supplies adjusting bolt 6 is seted up to the up end of erection column 7 along self length direction and is blocked and gliding mounting groove 73, mounting groove 73 communicates with the lateral wall of erection column 7, fixedly connected with fastening spring 74 on the mounting groove 73 keeps away from adjusting bolt 6's the inside wall, fastening spring 74 is used for propping up adjusting bolt 6's mounting plate 75 towards the one end fixedly connected with of adjusting strip 5, the lower extreme fixedly connected with of mounting plate 75 is the dovetail 76 of vertical state with mounting plate 75, the diapire of mounting groove 73 is seted up along the length direction of fastening spring 74 and is supplied dovetail 76 to block and gliding dove tail 731. After the adjusting bolt 6 is inserted into the mounting groove 73, the fastening spring 74 presses the adjusting bolt 6 via the fastening plate 75, thereby reducing the possibility of loosening the adjusting bolt 6.

Referring to fig. 2 and 4, the guide piece 8 is integrally formed at the upper end of the fastening plate 75, and the guide piece 8 is inclined from the bottom to the top in the direction of the fastening spring 74. When the nut of the adjusting bolt 6 is clamped into the mounting groove 73, the nut of the adjusting bolt 6 is firstly contacted with the guide sheet 8, and then the adjusting bolt 6 is pressed down, so that the adjusting bolt 6 is rapidly clamped into the mounting groove 73 along the length direction of the guide sheet 8, and time and labor are saved.

Referring to fig. 2 and 3, the inner side wall of the mounting ring 24 is fixedly connected with a sealing block 221 for being clamped into the mounting groove 73, and the sealing block 221 is tightly attached to each inner side wall of the mounting groove 73. After the sealing block 221 is clamped into the mounting groove 73, on one hand, the sealing block 221 can seal an upper end opening of the mounting groove 73, and rainwater is reduced from flowing down from the upper end opening of the mounting groove 73; on the other hand, after the sealing block 221 is clamped in the mounting groove 73, the rain cover 2 can be limited to rotate randomly, so that the relative position of the rain cover 2 and the mounting column 7 is determined, and the fixing arm 72 is conveniently connected with the mounting ring 24.

Referring to fig. 2 and 4, a positioning groove 751 for the nut of the adjusting bolt 6 to be inserted into is formed in a side of the fastening plate 75 facing away from the fastening spring 74, an elastic pad 752 for tightly attaching to the nut of the adjusting bolt 6 is fixedly connected to an inner side wall of the positioning groove 751, and the elastic pad 752 is made of a rubber high-voltage insulating pad. After the nut of the adjusting bolt 6 is clamped into the positioning groove 751, the adjusting bolt 6 can be preliminarily locked, the adjusting bolt 6 is prevented from accidentally dropping out of the mounting groove 73, and the subsequent installation of the rain cover 2 is facilitated; in addition, the elastic pad 752 is extruded and deformed by the nut 6 of the adjusting bolt, so that a jacking force is applied to the nut of the adjusting bolt 6, and the possibility of rotation of the nut of the adjusting bolt 6 is reduced; in addition, the elastic pad 752 can wrap the nut of the adjusting bolt 6, so as to reduce corrosion.

The implementation principle of the lightning protection device in the embodiment of the invention is as follows: firstly, the adjusting bolt 6 is rotated by a hexagon wrench, so that a fixed gap is formed between the edge of the adjusting plate 4 and one end of the arc striking rod 3, then the mounting column 7 passes through the mounting hole 22 on the rain-proof cover 2, the adjusting bolt 6 and the sealing block 221 are clamped into the mounting groove 73, then the fixing arm 72 is rotated out of the fixing groove 71, the fixing bolt 25 passes through the fixing arm 72 and the mounting ring 24, and finally the fixing nut 26 is screwed.

The above are all preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a lightning protection device, includes casing (1), the upper end of casing (1) is connected with rain-proof cover (2), the lateral wall of casing (1) is connected with striking stick (3), its characterized in that: the lower end face of the rain cover (2) is connected with an adjusting plate (4) in a sliding mode, one side, facing the rain cover (2), of the adjusting plate (4) is connected with a sliding block (41), the lower end face of the rain cover (2) is provided with an adjusting groove (21) for the sliding block (41) to be clamped into and slide, the lower end face of the rain cover (2) is connected with an adjusting strip (5) perpendicular to the length direction of the sliding groove, one side, facing away from the adjusting plate (4), of the adjusting strip (5) is connected with an adjusting bolt (6) in a threaded mode, one end of the adjusting bolt (6) is rotatably connected with one side, facing the adjusting strip (5), of the adjusting plate (4), the upper end of the shell (1) is connected with a mounting column (7), a mounting hole (22) for the mounting column (7) to pass through is formed in the middle of the rain cover (2), and the upper end face of the rain cover (2) is circumferentially connected with a connecting ring (23) surrounding the outer side of the mounting column (7), the outer side wall of the mounting column (7) is provided with a fixing groove (71), the inner side wall of the lower end of the fixing groove (71) is hinged with a fixing arm (72), the outer side wall of the connecting ring (23) is connected with a mounting ring (24) along the circumferential direction, when the fixing arm (72) rotates to a horizontal state, the fixing arm (72) is tightly attached to the upper end face of the mounting ring (24), a fixing bolt (25) is commonly penetrated between the mounting ring (24) and the fixing arm (72), one end of the fixing bolt (25) is in threaded connection with a fixing nut (26), a spring washer (27) is sleeved on the fixing bolt (25), one end of the spring washer (27) tightly abuts against a nut of the fixing bolt (25) and the other end of the mounting ring (24), the upper end face of the mounting column (7) is provided with a nut for the adjusting bolt (6) to be clamped into and slide mounting groove (73) along the length direction of the mounting column, mounting groove (73) and the lateral wall intercommunication of erection column (7), be connected with fastening spring (74) on mounting groove (73) keep away from the inside wall of the nut of adjusting bolt (6), fastening spring (74) are connected with mounting plate (75) that are used for pushing up adjusting bolt (6) towards the one end of adjusting strip (5), the lower extreme of mounting plate (75) is connected with dovetail strip (76), the diapire of mounting groove (73) is seted up along the length direction of fastening spring (74) and is supplied dovetail strip (76) card to go into and gliding dovetail (731).

2. A lightning protection device according to claim 1, characterized in that: the inside wall of collar (24) is connected with and is used for going into sealed piece (221) in mounting groove (73), sealed piece (221) all hugs closely with every inside wall of mounting groove (73).

3. A lightning protection device according to claim 1, characterized in that: and one side of the fastening plate (75) facing the adjusting bolt (6) is provided with a positioning groove (751) for clamping a nut of the adjusting bolt (6).

4. A lightning protection device according to claim 3, characterized in that: and elastic pads (752) used for tightly attaching to nuts of the adjusting bolts (6) are arranged on the inner side walls of the positioning grooves (751).

5. A lightning protection device according to claim 1, characterized in that: the upper end of the fastening plate (75) is connected with a guide piece (8), and the upper end of the guide piece (8) inclines towards the direction of the fastening spring (74).