CN211957301U - Insulator with buffer device for connection of power cable - Google Patents

Abstract

The utility model discloses an insulator with a buffer device for connecting electric power cables, which comprises a shell, wherein the bottom of the shell is fixedly connected with a damping rubber pad, the bottom of the inner wall of the shell is provided with a first spring, the top of the first spring is provided with a buffer block, the top of the buffer block is fixedly connected with a piston rod, the outer side of the piston rod is fixedly connected with a second spring, the top of the piston rod penetrates through the shell to extend to the outer part of the shell and is fixedly connected with a suspender, the utility model discloses a matching use of the first spring, the buffer block, the second spring, a damping groove and a damping ball, finally the device can achieve multiple damping effect when in use, solves the problems that the existing insulator does not have the buffer device per se, the damper is required to be used for damping, the damper is only buffered in a comparatively single mode, and the damping effect is too single, it also tends to damage the parts, which can create serious safety concerns.

Description

Insulator with buffer device for connection of power cable

Technical Field

The utility model relates to a relevant technical field of electric power cable specifically is an electric power cable is with connecting with insulator that has buffer.

Background

Insulators are devices that can withstand the action of voltage and mechanical stress, mounted between conductors of different electrical potentials or between a conductor and a grounded member. Insulators are various in types and shapes. Although the structures and the appearances of different types of insulators are greatly different, the insulators are composed of an insulating part and a connecting hardware fitting, the insulators are special insulating control parts and can play an important role in overhead transmission lines, the insulators are mostly used for telegraph poles in the early years, one end of a high-voltage wire connecting tower which is slowly developed is hung with a plurality of disc-shaped insulators, the insulators are made of glass or ceramics and are used for increasing creepage distance, the insulators are called insulators, the insulators cannot fail due to various electromechanical stresses caused by changes of environment and electric load conditions, otherwise, the insulators cannot play a great role, and the service life of the whole line can be damaged.

The electric power cable need utilize the insulator to connect when connecting, but insulator self on the market does not possess buffer, need use the bumper shock absorber to cushion the shock attenuation, and the bumper shock absorber just cushions through comparatively single mode, and not only the shock attenuation effect is too single, still can make the part damage easily, can cause serious potential safety hazard like this, then can not satisfy consumer's demand, can not ensure consumer's safety, be not convenient for use.

Therefore, the insulator with the buffer device for the connection of the power cable is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric power cable is with connecting insulator that has buffer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electric power cable is with connecting insulator that has buffer, includes the casing, the bottom fixedly connected with shock attenuation cushion of casing, shells inner wall's bottom is provided with first spring, the top of first spring is provided with the buffer block, the top fixedly connected with piston rod of buffer block, the outside fixedly connected with second spring of piston rod, the top of piston rod runs through outside and the fixedly connected with jib that the casing extends to the casing, the equal fixedly connected with connecting plate in both sides of piston rod, the shock attenuation groove has all been seted up with the top of casing to the bottom of connecting plate, the inside in shock attenuation groove is provided with the shock attenuation ball.

Preferably, the outer side of the piston rod is sleeved with a sleeve, and the second spring is fixedly connected with the outer side of the sleeve.

Preferably, the equal fixedly connected with of telescopic both sides is a spacing section of thick bamboo, the equal fixedly connected with gag lever post in both sides at shells inner wall top, the bottom of gag lever post runs through a spacing section of thick bamboo and extends to the outside of a spacing section of thick bamboo.

Preferably, both sides at the top of the inner wall of the shell are fixedly connected with elastic blocks, and the bottoms of the elastic blocks are in contact with the top of the limiting barrel.

Preferably, the limiting cylinder is fixedly connected with a sliding block on one side of the buffer block, sliding grooves matched with the sliding blocks are formed in the two sides of the inner wall of the shell, and the sliding blocks are connected with the sliding grooves in a sliding mode.

Preferably, the inner wall of the sliding groove is fixedly connected with a third spring, and one end, close to the sliding block, of the third spring is welded with the sliding block.

Preferably, the bottom of buffer block and the equal fixedly connected with fixed block in bottom of shells inner wall, fixed block and first spring fixed connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a use cooperation that sets up first spring, buffer block, second spring, shock attenuation groove and damping ball, this device can reach multiple absorbing effect when using finally, solved current insulator self and do not possess buffer, need use the bumper shock absorber to cushion the shock attenuation, the bumper shock absorber only cushions through comparatively single mode, the shock attenuation effect is too single, still can make the part damage easily, can cause the problem of serious potential safety hazard like this;

2. the utility model discloses a set up the sleeve, can make the piston rod move in the inside of sleeve, improved the stable effect of piston rod when moving, through setting up spacing section of thick bamboo and gag lever post, can make spacing section of thick bamboo drive the sleeve and move in the inside of gag lever post, limited the movement track of spacing section of thick bamboo and sleeve, through setting up the elastic block, can prevent that the sleeve from colliding with the inner wall of casing when moving, effectively protect the sleeve;

3. the utility model discloses a set up slider and spout, can effectively improve sleeve and buffer block stability when being strikeed, make sleeve and buffer block more stable when removing, through setting up the third spring, can effectively increase the buffering effect of slider when removing, increase the compressive capacity of slider, through setting up the fixed block, can be fixed with first spring, make first spring more stable when being connected with buffer block and casing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a shock-absorbing rubber pad; 3. a first spring; 4. a buffer block; 5. a piston rod; 6. a second spring; 7. a boom; 8. a connecting plate; 9. a damping groove; 10. a shock absorbing ball; 11. a sleeve; 12. a limiting cylinder; 13. a limiting rod; 14. an elastic block; 15. a slider; 16. a chute; 17. a third spring; 18. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides an electric power cable is with connecting with insulator that has buffer, which comprises a housin 1, the bottom fixedly connected with shock attenuation cushion 2 of casing 1, the bottom of casing 1 inner wall is provided with first spring 3, the top of first spring 3 is provided with buffer block 4, the top fixedly connected with piston rod 5 of buffer block 4, the outside fixedly connected with second spring 6 of piston rod 5, the top of piston rod 5 is run through casing 1 and is extended to outside and the fixedly connected with jib 7 of casing 1, the equal fixedly connected with connecting plate 8 in both sides of piston rod 5, damping groove 9 has all been seted up with casing 1's top to the bottom of connecting plate 8, the inside of damping groove 9 is provided with damping ball 10.

Further, the sleeve 11 is sleeved on the outer side of the piston rod 5, the second spring 6 is fixedly connected with the outer side of the sleeve 11, the piston rod 5 can move in the sleeve 11 by the aid of the sleeve 11, and the stability effect of the piston rod 5 during moving is improved.

Further, the equal fixedly connected with of both sides of sleeve 11 is spacing section of thick bamboo 12, the equal fixedly connected with gag lever post 13 in both sides at 1 inner wall top of casing, and spacing section of thick bamboo 12 is run through and extends to the outside of spacing section of thick bamboo 12 in the bottom of gag lever post 13, through setting up spacing section of thick bamboo 12 and gag lever post 13, can make spacing section of thick bamboo 12 drive sleeve 11 and remove in the inside of gag lever post 13, has injectd the removal orbit of spacing section of thick bamboo 12 and sleeve 11.

Further, the equal fixedly connected with elastic block 14 in both sides at casing 1 inner wall top, the bottom of elastic block 14 and the top contact of a spacing section of thick bamboo 12 through setting up elastic block 14, can prevent that sleeve 11 from colliding with casing 1's inner wall when removing, effectively protects sleeve 11.

Further, the equal fixedly connected with slider 15 in one side of a spacing section of thick bamboo 12 and buffer block 4, the both sides of 1 inner wall of casing all offer with the spout 16 of 15 looks adaptations of slider, slider 15 and 16 sliding connection of spout, through setting up slider 15 and spout 16, can effectively improve the stability of sleeve 11 and buffer block 4 when being strikeed, make sleeve 11 and buffer block 4 more stable when removing.

Further, the inner wall fixedly connected with third spring 17 of spout 16, the one end that third spring 17 is close to slider 15 welds with slider 15, through setting up third spring 17, can effectively increase the cushioning effect of slider 15 when removing, increases slider 15's compressive capacity.

Further, the bottom of buffer block 4 and the equal fixedly connected with fixed block 18 in bottom of casing 1 inner wall, fixed block 18 and first spring 3 fixed connection, through setting up fixed block 18, can be fixed with first spring 3, make first spring 3 more stable when being connected with buffer block 4 and casing 1.

The working principle is as follows: when using, when jib 7 receives to strike and takes place to rock, the impact force that jib 7 received can drive connecting plate 8 and descend, and shock attenuation groove 9 and shock attenuation ball 10 cushion the shock attenuation to connecting plate 8, will drive piston rod 5 downstream when connecting plate 8 descends, compress buffer block 4 and first spring 3 when piston rod 5 is downward, to sum up, finally this device can reach multiple absorbing effect when using to improve the purpose that this device stability can be good when using.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an electric power cable is with connecting insulator that has buffer, includes casing (1), its characterized in that: the utility model discloses a damping rubber pad for a motor vehicle, including casing (1), the bottom fixedly connected with shock attenuation cushion (2) of casing (1), the bottom of casing (1) inner wall is provided with first spring (3), the top of first spring (3) is provided with buffer block (4), the top fixedly connected with piston rod (5) of buffer block (4), the outside fixedly connected with second spring (6) of piston rod (5), the top of piston rod (5) runs through outside and fixedly connected with jib (7) that casing (1) extended to casing (1), the equal fixedly connected with connecting plate (8) in both sides of piston rod (5), damping groove (9) have all been seted up with the top of casing (1) in the bottom of connecting plate (8), the inside of damping groove (9) is provided with damping ball (10).

2. The insulator with a buffer device for connection of a power cable according to claim 1, wherein: the outside cover of piston rod (5) is equipped with sleeve (11), second spring (6) and the outside fixed connection of sleeve (11).

3. The insulator with a buffer device for connection of a power cable according to claim 2, wherein: the equal fixedly connected with of both sides of sleeve (11) is spacing section of thick bamboo (12), the equal fixedly connected with gag lever post (13) of both sides at casing (1) inner wall top, spacing section of thick bamboo (12) and the outside that extends to spacing section of thick bamboo (12) are run through to the bottom of gag lever post (13).

4. The insulator with a buffer device for connection of a power cable according to claim 1, wherein: the two sides of the top of the inner wall of the shell (1) are fixedly connected with elastic blocks (14), and the bottoms of the elastic blocks (14) are in contact with the top of the limiting barrel (12).

5. The insulator with a buffer device for connection of a power cable according to claim 3, wherein: the limiting cylinder (12) and the buffer block (4) are fixedly connected with sliding blocks (15) at one side, sliding grooves (16) matched with the sliding blocks (15) are formed in the two sides of the inner wall of the shell (1), and the sliding blocks (15) are connected with the sliding grooves (16) in a sliding mode.

6. The insulator with a buffer device for connection of a power cable according to claim 5, wherein: the inner wall fixedly connected with third spring (17) of spout (16), the one end that third spring (17) is close to slider (15) is welded with slider (15).

7. The insulator with a buffer device for connection of a power cable according to claim 1, wherein: the bottom of buffer block (4) and the equal fixedly connected with fixed block (18) in bottom of casing (1) inner wall, fixed block (18) and first spring (3) fixed connection.

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