CN209909063U

CN209909063U - Anti-seismic lightning arrester

Info

Publication number: CN209909063U
Application number: CN201920720243.0U
Authority: CN
Inventors: 朱建国; 张魏; 杨时雷; 施海滨; 姚苏娜; 张扬; 黄乔乔; 陈阿赛; 汪进建; 徐钰栋
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-01-07
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses an anti-seismic arrester, which comprises an arrester body and a damping base, wherein the damping base comprises a fixed box, a first supporting plate arranged in the fixed box, a second supporting plate arranged below the first supporting plate, sliding rods evenly arranged at two sides in the fixed box, a first elastic part sleeved on the sliding rods, a second elastic part sleeved on the sliding rods, a first damping mechanism arranged between the first supporting plate and the second supporting plate and a second damping component arranged below the second supporting plate, the first supporting plate and the second supporting plate are both provided with round holes matched with the sliding rods, one end of the first elastic piece is fixedly connected to the lower surface of the first supporting plate, the other end of the first elastic piece is fixedly connected to the upper surface of the second supporting plate, one end of the second elastic piece is fixedly connected to the lower surface of the second supporting plate, and the other end of the second elastic piece is fixedly connected to the bottom of the fixed box.

Description

Anti-seismic lightning arrester

Technical Field

The utility model belongs to the technical field of the arrester, especially, relate to an antidetonation arrester.

Background

Lightning arresters are equipment which protects equipment of a substation from lightning surge. When the lightning impulse waves transmitted to the transformer substation along the line exceed the lightning arrester protection level, the lightning arrester firstly discharges, lightning current is safely led to the ground through a good conductor, and the amplitude of the lightning voltage is limited below the lightning impulse level of protected equipment by utilizing the grounding device, so that the electrical equipment is protected. The lightning arrester can be divided into the following parts according to the development sequence: the protective gap is the simplest form of arrester; the tubular lightning arrester is also a protective gap, but can automatically extinguish arc after discharging; the valve type lightning arrester divides a single discharge gap into a plurality of short series gaps, increases nonlinear resistance and improves protection performance.

However, the existing lightning arrester has a lot of defects, for example, the existing lightning arrester has poor anti-seismic performance, and under the earthquake working condition, because the corresponding horizontal acceleration and vertical acceleration of the earthquake are both large. Therefore, a large vibration of the arrester in the vertical direction is easily caused, and such a vibration acceleration in the vertical direction easily causes damage to the arrester and its connection structure, thereby affecting safe and reliable operation of the arrester.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide a safe, effectual antidetonation arrester of shock attenuation.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an anti-seismic arrester comprises an arrester body and a shock absorption base, wherein the shock absorption base comprises a fixed box, a first supporting plate arranged in the fixed box, a second supporting plate arranged below the first supporting plate, sliding rods uniformly arranged on two sides in the fixed box, a first elastic part sleeved on the sliding rods, a second elastic part sleeved on the sliding rods, a first shock absorption mechanism arranged between the first supporting plate and the second supporting plate, and a second shock absorption assembly arranged below the second supporting plate, the first supporting plate and the second supporting plate are respectively provided with a round hole matched with the sliding rods, one end of the first elastic part is fixedly connected to the lower surface of the first supporting plate, the other end of the first elastic part is fixedly connected to the upper surface of the second supporting plate, one end of the second elastic part is fixedly connected to the lower surface of the second supporting plate, and the other end of the second elastic part is fixedly connected to the bottom; the vibrations of arrester body will give the decurrent pressure of first backup pad, promote first backup pad and slide down along the slide bar, first backup pad slides down will extrude first elastic component, first elastic component will contract and absorb certain pressure, make the arrester vibrations reduce, remaining pressure will continue the transmission down, promote the second backup pad and move down compression second elastic component, remaining pressure is absorbed with the shrink to the second elastic component, further reduce the vibrations of arrester, guarantee that the arrester can normal use.

The first damping mechanism comprises a supporting column arranged on the lower surface of the first supporting plate, a plurality of elastic telescopic rods uniformly arranged on the supporting column and a protection assembly, one end of each elastic telescopic rod is movably connected to the supporting column, and the other end of each elastic telescopic rod is movably connected to the upper surface of the second supporting plate; through setting up a plurality of elasticity telescopic link. Can be with vertical decurrent pressure homodisperse to the elastic telescoping rod on, certain pressure not only can be absorbed and offset by the elastic telescoping rod, can also disperse vertical decurrent pressure to the horizontal direction, reduced the vibrations of shock absorber in vertical direction.

The protection assembly comprises a mounting groove arranged in the supporting column, a third elastic piece arranged in the mounting groove and an elastic block arranged at the end part of the third elastic piece; set up the elastic block and can prevent that first backup pad from receiving the impact force too big messenger's support column directly striking to the second backup pad, play certain cushioning effect, avoid the damage.

The second damping mechanism comprises a connecting rod arranged on the bottom surface of the second supporting plate, a plurality of supporting rods uniformly and symmetrically arranged on two sides of the connecting rod, a sliding block arranged at the lower end of the supporting rod, a sliding rail matched with the sliding block and a fourth elastic piece, one end of the fourth elastic piece is fixedly connected to the sliding block, the other end of the fourth elastic piece is fixedly connected to the sliding rail, the upper end of the supporting rod is movably connected to the connecting rod, and the other end of the supporting rod is movably connected to the sliding block; through the bracing piece, can disperse the vertical direction's that the second backup pad received pressure to the bracing piece on for the bracing piece lower extreme slides to both sides, drives to slide to both sides, and then extrudees fourth elastic component, and certain pressure will be offset to the fourth elastic component, further weakens power in the vertical direction, makes the ascending vibrations of arrester vertical direction further reduce.

A fifth elastic piece is arranged in the sliding rail, and two ends of the fifth elastic piece are fixedly connected to the sliding block respectively; through the fifth elastic piece, the sliding block can be pulled to be blocked when the sliding block moves towards two sides, so that the descending amplitude of the second supporting plate is reduced, and the vibration is reduced.

A sixth elastic piece is sleeved on the elastic telescopic rod, one end of the sixth elastic piece is fixedly connected to the supporting column, and the other end of the sixth elastic piece is fixedly connected to the first supporting plate; establish the sixth elastic component through the cover can further disperse the power that disperses on the elastic telescopic rod to the sixth elastic component, and the shock attenuation effect is better.

The elastic block is made of rubber; the rubber is adopted to reduce the damage during the impact.

To sum up, the vibrations of arrester body will give first backup pad decurrent pressure, promote first backup pad and slide down along the slide bar, first backup pad slides down will extrude first elastic component, first elastic component will contract and absorb certain pressure for the arrester vibrations reduce, remaining pressure will continue to transmit downwards, promote the second backup pad and move down compression second elastic component, remaining pressure will be absorbed in the shrink to the second elastic component, further reduce the vibrations of arrester, guarantee that the arrester can normal use.

Drawings

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

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is an enlarged view of fig. 2 at a.

Fig. 4 is an enlarged view of fig. 2 at B.

Detailed Description

As shown in fig. 1-4, an anti-seismic arrester comprises an arrester body 1 and a vibration damping base, wherein the vibration damping base comprises a fixed box 2, a first supporting plate 21, a second supporting plate 22, a sliding rod 23, a first elastic member 24, a second elastic member 25, a first vibration damping mechanism and a second vibration damping mechanism, the fixed box 2 is a box body with an upward opening, the sliding rods 23 are preferably 6, are uniformly arranged at two sides and three at one side in the fixed box, the lower end of each sliding rod is fixed at the bottom of the fixed box, the first supporting plate 21 can slide up and down relative to the fixed box and is provided with a round hole for the sliding rod to pass through, the second supporting plate 22 is arranged under the first supporting plate and is also provided with a round hole for the sliding rod to pass through, the first elastic member 24 is a spring, the number of the spring is the same as that of the sliding rods, one end of the first supporting plate is fixedly connected to the lower surface, second elastic component 25 chooses the spring for use, quantity and slide bar are the same, the cover is established on the slide bar respectively, one end links firmly on second backup pad lower surface, the other end links firmly in fixed bottom of the case portion, then the vibrations of arrester body will give the decurrent pressure of first backup pad, promote first backup pad and slide down along the slide bar, first backup pad lapse will extrude first elastic component, first elastic component will shrink and absorb certain pressure, make the arrester vibrations reduce, remaining pressure will continue downward transmission, promote the second backup pad and move down compression second elastic component, remaining pressure is absorbed with the shrink to the second elastic component, further reduce the vibrations of arrester, guarantee that the arrester can normal use.

The first damping mechanism comprises a supporting column 3, elastic telescopic rods 31, a sixth elastic part 32 and a protection component, wherein the supporting column 3 is fixed on the lower surface of a first supporting plate, the number of the elastic telescopic rods 31 is 4, the elastic telescopic rods are arranged around the supporting column uniformly, one end of each elastic telescopic rod is hinged to the supporting column, the other end of each elastic telescopic rod is hinged to the upper surface of a second supporting plate, vertical downward pressure can be uniformly dispersed on the elastic telescopic rods by arranging the plurality of elastic telescopic rods, the elastic telescopic rods can absorb and offset certain pressure, the vertical downward pressure can be dispersed in the horizontal direction, and vibration of the shock absorber in the vertical direction is reduced; the conventional spring is selected for use to sixth elastic component 33, and quantity is the same with elastic telescopic rod, and the cover is established on elastic telescopic rod, and one end links firmly on the support column, and the other end links firmly on first backup pad, establishes the sixth elastic component through the cover and can further disperse the power that disperses on elastic telescopic rod to the sixth elastic component, and the shock attenuation effect is better.

Protection component includes mounting groove 33, third elastic component 34 and elastic block 35, mounting groove 33 is seted up in the support column, spring is chooseed for use to third elastic component 34, and the upper end is fixed in the mounting groove bottom, elastic block 35 chooses for use rubber to make, fixes at third elastic component lower extreme, then sets up the elastic block and can prevent that first backup pad from receiving the impact force too big make the support column directly strike the second backup pad in, plays certain cushioning effect, avoids the damage.

The second damping mechanism comprises a connecting rod 4, a supporting rod 41, a sliding block 42, a sliding rail 43, a fourth elastic piece 44 and a fifth elastic piece 45, the connecting rod 4 is fixed on the bottom surface of the second supporting plate, the supporting rods 41 are symmetrically arranged on two sides of the connecting rod, the upper end of the supporting rod is hinged on the connecting rod, the slide rail 43 is fixed at the bottom of the fixed box, the slide block 42 is arranged in the slide rail, and is hinged with the lower end of the support rod, the fourth elastic element 44 is a spring, one end of the fourth elastic element is fixed on the sliding block 42, the other end is fixed on the sliding rail, the pressure in the vertical direction received by the second supporting plate can be dispersed on the supporting rod through the supporting rod, so that the lower end of the supporting rod slides to the two sides to drive the sliding to slide to the two sides, the fourth elastic piece is further extruded, certain pressure is offset by the fourth elastic piece, and force in the vertical direction is further weakened, so that vibration of the lightning arrester in the vertical direction is further reduced; fifth elastic component 45 chooses the spring for use, and both ends are fixed respectively on the slider, then establish the sixth elastic component through the cover can further disperse the power that disperses on the elastic telescopic rod to the sixth elastic component, and the shock attenuation effect is better.

Claims

1. The utility model provides an antidetonation arrester, includes arrester body (1) and vibration damping mount, its characterized in that: the damping base comprises a fixed box (2), a first supporting plate (21) arranged in the fixed box (2), a second supporting plate (22) arranged below the first supporting plate (21), slide rods (23) uniformly arranged at two sides in the fixed box, a first elastic part (24) sleeved on the slide rods (23), a second elastic part (25) sleeved on the slide rods (23), a first damping mechanism arranged between the first supporting plate and the second supporting plate and a second damping mechanism arranged below the second supporting plate, wherein the first supporting plate and the second supporting plate are both provided with round holes matched with the slide rods, one end of the first elastic part (24) is fixedly connected to the lower surface of the first supporting plate (21), the other end of the first elastic part is fixedly connected to the upper surface of the second supporting plate (22), one end of the second elastic part (25) is fixedly connected to the lower surface of the second supporting plate (22), the other end is fixedly connected with the bottom of the fixed box (2).

2. An anti-seismic arrester according to claim 1, characterized in that: first damper is including locating support column (3) on first backup pad (21) lower surface, evenly locate a plurality of elastic telescopic rod (31) and protective component on support column (3), elastic telescopic rod (31) one end swing joint is on support column (3), and other end swing joint is on second backup pad (22) upper surface.

3. An anti-seismic arrester according to claim 2, characterized in that: the protection assembly comprises a mounting groove (33) arranged in the supporting column (3), a third elastic piece (34) arranged in the mounting groove (33) and an elastic block (35) arranged at the end part of the third elastic piece (34).

4. An anti-seismic arrester according to claim 1, characterized in that: second damper is including locating connecting rod (4), even symmetry on second backup pad (22) bottom surface are located a plurality of bracing pieces (41) of connecting rod (4) both sides, locating slider (42) of bracing piece (41) lower extreme, with slider (42) complex slide rail (43) and fourth elastic component (44), fourth elastic component (44) one end links firmly on slider (42), and the other end links firmly on slide rail (43), bracing piece (41) upper end swing joint is on connecting rod (4), and other end swing joint is on slider (42).

5. An anti-seismic arrester according to claim 4, characterized in that: a fifth elastic piece (45) is arranged in the sliding rail (43), and two ends of the fifth elastic piece (45) are fixedly connected to the sliding block (42) respectively.

6. An anti-seismic arrester according to claim 2, characterized in that: the elastic telescopic rod (31) is sleeved with a sixth elastic piece (32), one end of the sixth elastic piece (32) is fixedly connected to the supporting column (3), and the other end of the sixth elastic piece is fixedly connected to the first supporting plate.

7. An anti-seismic arrester according to claim 3, characterized in that: the elastic block (35) is made of rubber.