CN215772492U

CN215772492U - Lightning protection device capable of reducing lightning trip fault rate of distribution line

Info

Publication number: CN215772492U
Application number: CN202122071863.6U
Authority: CN
Inventors: 杜会俏
Original assignee: Wuhan Haicubic Electric Technology Co ltd
Current assignee: Wuhan Haicubic Electric Technology Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-02-08
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a lightning protection device capable of reducing the lightning trip failure rate of a distribution line, which comprises a cross arm, wherein the bottom end of the cross arm is provided with a protector body, the bottom end of the protector body is provided with an insulator, one side of the protector body is provided with a connecting rod, and one side of the connecting rod is provided with a connecting wire connected with the cross arm. The beneficial effects are that: by arranging the supporting and adjusting mechanism, the looseness of the connecting wire can be adjusted, the connecting wire is prevented from being too loose, meanwhile, the resistance of the connecting wire to wind power is reduced, the wind resistance of the connecting wire is improved, the swinging and breaking phenomena of the connecting wire in wind and rain weather are effectively prevented, the safety of the connecting wire is greatly improved, and the working stability of the lightning protection device is effectively improved; through setting up clearance adjustment mechanism, can adjust the clearance between discharge ring and the discharge rod to can improve lightning protection device application range, improve lightning protection device's practicality greatly.

Description

Lightning protection device capable of reducing lightning trip fault rate of distribution line

Technical Field

The utility model relates to the technical field of power equipment, in particular to a lightning protection protector capable of reducing the lightning trip failure rate of a distribution line.

Background

Along with the rapid development of national economy, the mileage, the line density and the line coverage area of the power network are increasingly large and wider, and the distribution network transmission line is also rapidly accelerated. The weather changes violently, and strong convection thunderstorm weather frequently takes place, and especially ground resistance rate is high and the district climate in storehouse all produces thundercloud thunderstorm district's strong convection weather easily, brings more unstable factors for the electric wire netting operation, brings more pressure for electric power system maintenance, and the power supply reliability brings more challenges.

The distribution overhead line is large in quantity and wide in range, so that the lightning stroke tripping rate is high, the problem of lightning stroke breakage of an insulated wire is solved, meanwhile, the lightning stroke breakage accident also occurs to a bare wire, the main damage of the distribution overhead line is caused when the lightning stroke generates induced overvoltage, and the power distribution overhead line can be tripped when two phases or three phases are simultaneously flashover caused by the induced overvoltage. Its connecting wire of current lightning protection device is comparatively lax, and stability is relatively poor, very easily swings and splits when meetting wind and rain weather, and its discharging rod of current lightning protection device is fixed with the clearance size between the ring that discharges simultaneously, can not effectual regulation, and has reduced this lightning protection device's application range, greatly reduced lightning protection device's practicality.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the related art, the utility model provides a lightning protection protector capable of reducing the lightning trip-out failure rate of a distribution line, so as to overcome the technical problems in the prior related art.

Therefore, the utility model adopts the following specific technical scheme:

the utility model provides a can reduce lightning protection ware of distribution lines thunderbolt tripping operation fault rate, includes the cross arm, the bottom of cross arm is equipped with the protector body, the bottom of protector body is equipped with the insulator, one side of protector body is equipped with the connecting rod, one side of connecting rod be equipped with the connecting wire that the cross arm is connected, the connecting rod with be equipped with between the cross arm with connecting wire assorted supports adjustment mechanism, one side bottom of insulator is equipped with the discharging rod, the insulator cover be equipped with rather than assorted adapter sleeve, the adapter sleeve is equipped with rather than the assorted discharge ring, just the discharge ring through clearance adjustment mechanism with the adapter sleeve is connected.

Preferably, support adjustment mechanism and include a pair of horizontal slide bar, horizontal slide bar all overlaps and is equipped with a pair of regulation ball, all be equipped with on the regulation ball with connecting wire assorted L type leads to the groove, one side of regulation ball all be equipped with horizontal slide bar assorted horizontal spout, the positive surface of regulation ball is equipped with fixing bolt, just fixing bolt all extends to in the horizontal spout.

Preferably, the top end of the transverse sliding rod is connected with the cross arm through a pair of first supporting rods, and the bottom end of the transverse sliding rod is connected with the connecting rod through a second supporting rod.

Preferably, clearance adjustment mechanism includes a plurality of evenly distributed's arc piece, one side of arc piece is equipped with spacing bolt, be equipped with in the arc piece rather than swing joint's screw shaft, be equipped with rather than being connected and the gag lever post that the symmetry set up in the arc piece, the screw shaft cover be equipped with rather than assorted slider, just the gag lever post all runs through two sets of the slider, the top of arc piece is equipped with the opening, just the screw shaft cover be equipped with opening assorted carousel.

Preferably, the surface threads of the threaded shaft are of two types, the two types of threads are only opposite in direction, a groove is formed in one side, away from the sliding block, of the sliding block, blocking pieces are arranged on two sides of the threaded shaft, and the diameter of each blocking piece is smaller than that of the groove.

Preferably, the both sides of adapter sleeve all are equipped with spacing spout, all be equipped with a plurality of evenly distributed's draw-in groove on the spacing spout, just the draw-in groove all with the arc piece matches, the arc piece pass through the loose axle with draw-in groove swing joint, just the loose axle all overlaps and is equipped with rather than assorted spring.

Preferably, the discharge ring is movably connected with the connecting sleeve through an L-shaped sliding block, the L-shaped sliding blocks are matched with the limiting sliding grooves, and a movable sleeve ring matched with the connecting sleeve is arranged on the inner wall of the discharge ring.

Preferably, the connecting sleeves are two half connecting sleeves fixedly connected through fixing screws, the gap between the discharge ring and the discharge rod is 150-180 mm, and the protector body is respectively connected with the cross arm and the insulator through mounting pieces.

The utility model has the beneficial effects that: by arranging the supporting and adjusting mechanism, the looseness of the connecting wire can be adjusted, the connecting wire is prevented from being too loose, meanwhile, the resistance of the connecting wire to wind power is reduced, the wind resistance of the connecting wire is improved, the swinging and breaking phenomena of the connecting wire in wind and rain weather are effectively prevented, the safety of the connecting wire is greatly improved, and the working stability of the lightning protection device is effectively improved; through setting up clearance adjustment mechanism, can adjust the clearance between discharge ring and the discharge rod to can improve lightning protector application range, improve lightning protector's practicality greatly, simultaneously because the adapter sleeve forms for two adapter sleeve concatenations, thereby be convenient for to the installation and the dismantlement of discharge ring.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a lightning protection device capable of reducing a lightning trip failure rate of a distribution line according to an embodiment of the utility model;

FIG. 2 is a schematic structural diagram of a support adjustment mechanism in a lightning protection device capable of reducing the lightning trip failure rate of a distribution line according to an embodiment of the utility model;

FIG. 3 is a schematic diagram of an internal structure of a regulating ball in a lightning protection protector capable of reducing a lightning trip failure rate of a distribution line according to an embodiment of the utility model;

FIG. 4 is a schematic structural diagram of a gap adjustment mechanism in a lightning protection device capable of reducing the lightning trip failure rate of a distribution line according to an embodiment of the utility model;

fig. 5 is a schematic view of an installation structure of a discharge ring in a lightning protection device capable of reducing a lightning trip failure rate of a distribution line according to an embodiment of the utility model.

In the figure:

1. a cross arm; 2. a protector body; 3. an insulator; 4. a connecting rod; 5. connecting a lead; 6. a discharge rod; 7. connecting sleeves; 8. a discharge ring; 9. a transverse sliding bar; 10. a transverse chute; 11. adjusting the ball; 12. an L-shaped through groove; 13. fixing the bolt; 14. an arc-shaped sheet; 15. a limit bolt; 16. a slider; 17. a limiting chute; 18. a card slot; 19. a movable shaft; 20. an L-shaped slider; 21. a movable collar; 22. and (4) a mounting piece.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the utility model, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to the embodiment of the utility model, the lightning protection protector capable of reducing the lightning trip failure rate of the distribution line is provided.

The first embodiment;

as shown in fig. 1 to 5, the lightning protection device capable of reducing the distribution line lightning trip failure rate according to the embodiment of the utility model includes a cross arm 1, a protector body 2 is arranged at the bottom end of the cross arm 1, an insulator 3 is arranged at the bottom end of the protector body 2, a connecting rod 4 is arranged at one side of the protector body 2, a connecting wire 5 connected with the cross arm 1 is arranged at one side of the connecting rod 4, a supporting and adjusting mechanism matched with the connecting wire 5 is arranged between the connecting rod 4 and the cross arm 1, a discharging rod 6 is arranged at the bottom end of one side of the insulator 3, a connecting sleeve 7 matched with the insulator 3 is sleeved on the insulator 3, a discharging ring 8 matched with the connecting sleeve 7 is sleeved on the connecting sleeve 7, and the discharging ring 8 is connected with the connecting sleeve 7 through a gap adjusting mechanism.

Example two;

as shown in fig. 1-5, the lightning protection device capable of reducing the distribution line lightning trip failure rate according to the embodiment of the utility model includes a cross arm 1, a protector body 2 is disposed at the bottom end of the cross arm 1, an insulator 3 is disposed at the bottom end of the protector body 2, a connecting rod 4 is disposed at one side of the protector body 2, a connecting wire 5 connected with the cross arm 1 is disposed at one side of the connecting rod 4, a supporting and adjusting mechanism matched with the connecting wire 5 is disposed between the connecting rod 4 and the cross arm 1, a discharging rod 6 is disposed at the bottom end of one side of the insulator 3, a connecting sleeve 7 matched with the insulator 3 is sleeved on the insulator 3, a discharging ring 8 matched with the connecting sleeve 7 is sleeved on the connecting sleeve 7, the discharging ring 8 is connected with the connecting sleeve 7 through a gap adjusting mechanism, the supporting and adjusting mechanism includes a pair of transverse sliding rods 9, the horizontal sliding rods 9 are all sleeved with a pair of adjusting balls 11, L-shaped through grooves 12 matched with the connecting wires 5 are formed in the adjusting balls 11, horizontal sliding grooves 10 matched with the horizontal sliding rods 9 are formed in one sides of the adjusting balls 11, fixing bolts 13 are arranged on the front surfaces of the adjusting balls 11 and extend into the horizontal sliding grooves 10, a supporting and adjusting mechanism is arranged, the looseness of the connecting wires 5 can be adjusted, the connecting wires 5 are prevented from being too loose, meanwhile, the resistance of the connecting wires 5 to wind power is reduced, the wind resistance of the connecting wires 5 is increased, the connecting wires 5 are effectively prevented from being subjected to swinging and breaking in wind and rain weather, the horizontal sliding rods 9 at the top ends are connected with the cross arms 1 through a pair of first supporting rods, and the horizontal sliding rods 9 at the bottom ends are connected with the connecting rods 4 through a second supporting rod, the gap adjusting mechanism comprises a plurality of arc-shaped pieces 14 which are uniformly distributed, a limiting bolt 15 is arranged on one side of each arc-shaped piece 14, a threaded shaft movably connected with the arc-shaped pieces 14 is arranged in each arc-shaped piece 14, limiting rods connected with the arc-shaped pieces and symmetrically arranged with the arc-shaped pieces 14 are arranged in the arc-shaped pieces 14, the threaded shaft is provided with sliding blocks 16 matched with the threaded shaft, the limiting rods penetrate through the two groups of sliding blocks 16, an opening is formed in the top end of each arc-shaped piece 14, the threaded shaft is provided with a turntable matched with the opening, the gap adjusting mechanism is arranged, the gap between the discharging ring 8 and the discharging rod 6 can be adjusted, and therefore the application range of the lightning protection device can be enlarged, the practicability of the lightning protection device is greatly improved.

Example three;

as shown in fig. 1-5, the lightning protection device capable of reducing the distribution line lightning trip failure rate according to the embodiment of the utility model includes a cross arm 1, a protector body 2 is disposed at the bottom end of the cross arm 1, an insulator 3 is disposed at the bottom end of the protector body 2, a connecting rod 4 is disposed at one side of the protector body 2, a connecting wire 5 connected with the cross arm 1 is disposed at one side of the connecting rod 4, a supporting and adjusting mechanism matched with the connecting wire 5 is disposed between the connecting rod 4 and the cross arm 1, a discharging rod 6 is disposed at the bottom end of one side of the insulator 3, a connecting sleeve 7 matched with the insulator 3 is sleeved on the insulator 3, a discharging ring 8 matched with the connecting sleeve 7 is sleeved on the connecting sleeve 7, the discharging ring 8 is connected with the connecting sleeve 7 through a gap adjusting mechanism, and two types of threads are disposed on the surface of the threaded shaft, the two threads are only opposite in direction, a groove is formed in one side, away from each other, of each slider 16, blocking pieces are arranged on two sides of each threaded shaft, the diameter of each blocking piece is smaller than that of each groove, the threads with the two opposite directions ensure that the two groups of sliders 16 move in opposite directions when the threaded shafts rotate, the grooves and the blocking pieces are arranged, the sliders 16 are prevented from being separated from the threaded shafts, the safety of the sliders 16 is greatly ensured, limiting sliding grooves 17 are formed in two sides of each connecting sleeve 7, a plurality of clamping grooves 18 which are uniformly distributed are formed in the limiting sliding grooves 17, the clamping grooves 18 are matched with the arc-shaped pieces 14, the arc-shaped pieces 14 are movably connected with the clamping grooves 18 through movable shafts 19, the movable shafts 19 are sleeved with springs matched with the springs, the arc-shaped pieces 14 are conveniently installed, the arc-shaped pieces 14 are prevented from being separated from the connecting sleeves 7, and meanwhile, the springs and the connecting shafts are arranged, not only be convenient for arc piece 14's rotation, avoid breaking away from arc piece 14 of draw-in groove 18 simultaneously and shake wantonly, discharge ring 8 through L type slider 20 with adapter sleeve 7 swing joint, just L type slider 20 all with spacing spout 17 phase-match, just discharge ring 8 inner wall be equipped with adapter sleeve 7 assorted movable sleeve ring 21 prevents that discharge ring 8 rocks wantonly, improves the stability of adjusting the removal from top to bottom of discharge ring 8 greatly, adapter sleeve 7 is two half adapter sleeves through fixed screw fixed connection, be convenient for installation and dismantlement between adapter sleeve 7 and the insulator 3 to be convenient for discharge ring 8's installation and dismantlement, discharge ring 8 with discharge rod 6 clearance is 150 ~ 180 millimeters, protector body 2 through installed part 22 respectively in cross arm 1 with insulator 3 is connected, effectively makes protector body 2, Insulator 3 and cross arm 1 fixed connection to improve protector body 2 and insulator 3's fastness.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the adjusting balls 11 slide along the transverse sliding rods 9, the looseness of the connecting wires 5 is adjusted by changing the angle between the connecting wires 5 and the transverse sliding rods 9, the 90-degree connecting wires 5 are loose, the angles are sequentially reduced, the looseness of the connecting wires 5 is also sequentially reduced, and due to the fact that the adjusting balls 11 are arranged, the connecting wires 5 can be subjected to looseness adjustment for multiple times; through setting up along spacing spout 17 slip discharge ring 8, rotate the carousel on the two sets of arc pieces 14 that correspond, two sets of sliders 16 are close to the removal each other, and under the effect of spring, arc piece 14 rotates and leaves the draw-in groove along loose axle 19, rotates stop bolt 15 to make two sets of stop bolt 15 and L type slider 20 zonulae occludens, thereby can spacing L type slider 20 the slip, thereby can fix discharge ring 8 after adjusting.

In summary, with the aid of the above technical solution of the present invention, the beneficial effects are: by arranging the supporting and adjusting mechanism, the looseness of the connecting wire 5 can be adjusted, the connecting wire 5 is prevented from being too loose, meanwhile, the resistance of the connecting wire 5 to wind force is reduced, the wind resistance of the connecting wire 5 is improved, the connecting wire 5 is effectively prevented from swinging and breaking in wind and rain weather, the safety of the connecting wire 5 is greatly improved, and the working stability of the lightning protection device is effectively improved; through setting up clearance adjustment mechanism, can adjust the clearance between discharge ring 8 and the discharge rod 6 to can improve lightning protection device application range, improve lightning protection device's practicality greatly, simultaneously because adapter sleeve 7 forms for two adapter sleeve concatenations, thereby be convenient for to discharge ring 8's installation and dismantlement.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A lightning protection device capable of reducing the lightning trip failure rate of a distribution line is characterized by comprising a cross arm (1), the bottom end of the cross arm (1) is provided with a protector body (2), the bottom end of the protector body (2) is provided with an insulator (3), a connecting rod (4) is arranged on one side of the protector body (2), a connecting lead (5) connected with the cross arm (1) is arranged on one side of the connecting rod (4), a supporting and adjusting mechanism matched with the connecting lead (5) is arranged between the connecting rod (4) and the cross arm (1), a discharging rod (6) is arranged at the bottom end of one side of the insulator (3), a connecting sleeve (7) matched with the insulator (3) is sleeved on the insulator, the connecting sleeve (7) is sleeved with a discharge ring (8) matched with the connecting sleeve, and the discharge ring (8) is connected with the connecting sleeve (7) through a gap adjusting mechanism.

2. The lightning protection device capable of reducing the lightning trip failure rate of a distribution line according to claim 1, wherein the supporting and adjusting mechanism comprises a pair of transverse sliding rods (9), each of the transverse sliding rods (9) is sleeved with a pair of adjusting balls (11), each of the adjusting balls (11) is provided with an L-shaped through groove (12) matched with the connecting wire (5), one side of each of the adjusting balls (11) is provided with a transverse sliding groove (10) matched with the transverse sliding rod (9), the front surface of each of the adjusting balls (11) is provided with a fixing bolt (13), and each of the fixing bolts (13) extends into the transverse sliding groove (10).

3. The lightning protection device capable of reducing the lightning trip failure rate of a distribution line according to claim 2, wherein the top end of the transverse sliding rod (9) is connected with the cross arm (1) through a pair of first supporting rods, and the bottom end of the transverse sliding rod (9) is connected with the connecting rod (4) through a pair of second supporting rods.

4. The lightning protection device capable of reducing the lightning trip fault rate of a distribution line according to claim 1, wherein the gap adjusting mechanism comprises a plurality of arc-shaped pieces (14) which are uniformly distributed, a limit bolt (15) is arranged on one side of each arc-shaped piece (14), a threaded shaft movably connected with each arc-shaped piece (14) is arranged in each arc-shaped piece (14), limit rods connected with each arc-shaped piece (14) and symmetrically arranged with each arc-shaped piece are arranged in each arc-shaped piece, a sliding block (16) matched with each threaded shaft is arranged in each threaded shaft sleeve, each limit rod penetrates through two sets of sliding blocks (16), an opening is arranged at the top end of each arc-shaped piece (14), and each threaded shaft sleeve is provided with a rotating disc matched with each opening.

5. The lightning protection device capable of reducing the lightning trip failure rate of a distribution line according to claim 4, wherein the threaded shaft has two types of surface threads, the two types of threads are opposite in direction, a groove is formed on one side of the slider (16) away from each other, and blocking pieces are arranged on two sides of the threaded shaft, and the diameter of the blocking pieces is smaller than that of the groove.

6. The lightning protection device capable of reducing the lightning trip failure rate of a distribution line according to claim 4, wherein both sides of the connecting sleeve (7) are provided with a limiting sliding groove (17), the limiting sliding groove (17) is provided with a plurality of uniformly distributed clamping grooves (18), the clamping grooves (18) are matched with the arc-shaped pieces (14), the arc-shaped pieces (14) are movably connected with the clamping grooves (18) through movable shafts (19), and the movable shafts (19) are respectively sleeved with springs matched with the movable shafts.

7. The lightning protection device capable of reducing the lightning trip failure rate of a distribution line according to claim 6, wherein the discharge ring (8) is movably connected with the connecting sleeve (7) through L-shaped sliders (20), the L-shaped sliders (20) are matched with the limiting sliding grooves (17), and a movable sleeve ring (21) matched with the connecting sleeve (7) is arranged on the inner wall of the discharge ring (8).

8. The lightning protection device capable of reducing the lightning trip fault rate of the distribution line according to claim 1, wherein the connecting sleeves (7) are two half connecting sleeves fixedly connected through fixing screws, the gap between the discharge ring (8) and the discharge rod (6) is 150-180 mm, and the protector body (2) is connected with the cross arm (1) and the insulator (3) through a mounting part (22).