CN216957620U

CN216957620U - 35kV strut type composite jacket gapless metal oxide arrester

Info

Publication number: CN216957620U
Application number: CN202220599500.1U
Authority: CN
Inventors: 陈旭刚; 张毅
Original assignee: Yibin Zhiyuan High Voltage Electrical Co ltd
Current assignee: Yibin Zhiyuan High Voltage Electrical Co ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-07-12
Anticipated expiration: 2032-03-18

Abstract

The utility model relates to a 35kV strut type composite jacket gapless metal oxide arrester in the technical field of power equipment, which comprises an outer tube and an inner tube, wherein the inner tube is arranged in an inner cavity of the outer tube, a drying bin is arranged between the inner tube and the outer tube, sealing covers are respectively and fixedly connected to the end openings of two ends of the inner tube and the outer tube, connecting terminals penetrate through the middle parts of the two sealing covers, one ends of the two connecting terminals are respectively and fixedly connected with a connecting rod and a lower clamping column, a clamping groove is arranged in the middle part of the connecting rod, and an upper clamping column is clamped in the inner cavity of the clamping groove. With draw-in groove and last calorie of support connnection, this sets up and can tentatively fix the arrester, this sets up easy operation, does not need the operator to lift for a long time, causes the fatigue of arm, influences work that comes next, has reduced work efficiency, is connected upper nut and screw thread again, and this setting can carry out the secondary with last calorie of post and connecting rod and fix, and this setting can make equipment fixed more firm, can effectively increase the stability of device.

Description

35kV strut type composite jacket gapless metal oxide arrester

Technical Field

The utility model relates to the technical field of power equipment, in particular to a 35kV strut type composite jacket gapless metal oxide arrester.

Background

At present, the mixed mode of overhead line and power cable line is generally adopted by domestic 35kV power distribution system, namely: the pole line adopts overhead line, and the power distribution station business turn over line adopts cable run with the user inlet wire, and behind the pole was stepped on at the cable terminal, through the fuse or directly with overhead line connection. Because the pole is provided with a plurality of elements and leads, the installation is complex, and the method is always a weak link in the process of construction, rush repair and pretest. The composite outer sleeve gapless metal oxide lightning arrester used for the 35kV power distribution system has various defects due to the limitations of the insulation structure design and the mechanical structure design, and cannot meet the production requirement.

The service life of the existing lightning arrester is generally not long, zinc oxide can be damped after the lightning arrester is used for a long time, normal work is influenced, meanwhile, when the lightning arrester is installed, only bolt connection is adopted, stability is not high, and accidents occur easily.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model aims to solve the problems that the lightning arrester with the 35kV strut type composite outer sleeve gapless metal oxide has short service life, zinc oxide is affected with damp after long-time use to influence normal work, and meanwhile, during installation, the stability is not high, and accidents are easy to happen.

The technical scheme of the utility model is as follows:

the utility model provides a 35kV strut type composite coat zero clearance metal oxide arrester, includes outer body and interior body, interior body is adorned in the inner chamber of outer body, be equipped with dry storehouse between interior body and the outer body, the both ends port department of interior body and outer body is a fixedly connected with sealed lid respectively, two connecting terminal has been run through in the middle part of sealed lid, two connecting terminal's one end fixedly connected with connecting rod and lower calorie of post respectively, the middle part of connecting rod is equipped with the draw-in groove, the joint has last calorie of post in the inner chamber of draw-in groove.

The working principle of the technical scheme is as follows:

the lightning arrester is primarily fixed by fixing the mounting seat with the outside and connecting the clamping groove with the upper clamping column, the lightning arrester is secondarily fixed by the arrangement of connecting the upper clamping column with the connecting rod without causing arm fatigue due to long-time lifting of an operator to influence the next work and reduce the working efficiency, and the upper nut is connected with the screw thread, so that the equipment can be more firmly fixed and the stability of the device can be effectively improved, the arranged lower clamping column can be matched with the clamping groove, a plurality of lightning arresters can be connected in series by the arrangement of the upper clamping column and the connecting rod, the electrode plates, the insulating silica gel sleeves and the resistance sheets, the lightning arresting effect can be realized, the current in the lightning can be consumed, the insulating effect of the equipment can be improved by the arranged insulating silica gel sleeves, and dry particles arranged in the drying bin, can adsorb the drying through the humid air of pore pair inner tube internal, prevent to wet in long-time back zinc oxide of using, influence normal work.

In a further technical scheme, the outer surface of the inner tube body is provided with round holes, and the inside of the drying bin is filled with drying particles.

The inside dry granule that sets up in dry storehouse can adsorb the drying through the humid air of pore pair internal pipe, prevents that zinc oxide can wet after long-time the use, influences normal work, has solved the not good technical problem of drying effect among the prior art.

In a further technical scheme, a resistor disc is arranged in the middle of the inner tube, electrode plates are fixedly connected to two sides of the outer surface of the resistor disc, and the electrode plates are electrically connected with the connecting terminals.

The connecting terminal, electrode slice, insulating silica gel cover and the resistance card that set up can realize the effect of taking shelter from the thunder, consume the inside electric current of thunder and lightning, and the device is fixed inseparable each other, has solved among the prior art fixed not firm technical problem.

In a further technical scheme, the upper end of the outer surface of the connecting rod is provided with a thread, and the thread is provided with a chamfer.

The setting of screw thread can fasten equipment, can further fixed simultaneously, prevents to damage when equipment uses for a long time, has solved among the prior art fixed not firm technical problem.

In a further technical scheme, the outer surface of the upper clamping column is connected with an upper nut in a sliding mode, the upper nut is matched with the threads, and one end of the upper clamping column is fixedly connected with a mounting seat.

Will go up the nut and be connected with the screw thread, this sets up and can carry out the secondary with last card post and connecting rod and fix, and this setting can make equipment fixed more firm, can effectively increase the stability of device, has solved among the prior art fixed not firm technical problem.

In a further technical scheme, the outer surface of the lower clamping column is connected with a lower nut in a sliding mode, and the lower nut is matched with the threads.

The lower card post that sets up can with draw-in groove looks adaptation, this setting can make a plurality of arresters establish ties, increases the result of use, has solved the technical problem of fixing not firmly among the prior art.

In a further technical scheme, the outer surface of the outer tube body is fixedly connected with an insulating silica gel sleeve, and the surface of the insulating silica gel sleeve and the sealing cover are located on the same level.

The insulating silica gel cover that sets up increases the insulating effect of equipment, has solved the technical problem that insulating among the prior art is low.

The utility model has the beneficial effects that:

1. the wet air in the inner pipe body can be adsorbed and dried through the round holes by virtue of the drying particles arranged in the drying bin, so that the zinc oxide is prevented from being damped after long-time use, and the normal work is prevented from being influenced;

2. the lightning protection effect can be realized through the arranged connecting terminal, the electrode plate, the insulating silica gel sleeve and the resistor disc, the current in thunder is consumed, and the devices are fixed tightly;

3. the equipment can be fastened through the arrangement of the threads, and meanwhile, the equipment can be further fixed, so that the equipment is prevented from being damaged during long-term use;

4. the upper clamping column and the connecting rod can be secondarily fixed by connecting the upper nut with the threads, so that the equipment can be more firmly fixed, and the stability of the device can be effectively improved;

5. the lower clamping column can be matched with the clamping groove, and a plurality of lightning arresters can be connected in series by the arrangement, so that the using effect is improved;

6. the insulation effect of the equipment is improved through the arranged insulation silica gel sleeve;

7. through fixing the mount pad with the external world, be connected draw-in groove and last card post again, this setting can tentatively fix the arrester, and this sets up easy operation, does not need the operator to hold up for a long time, causes the fatigue of arm, influences work next, has reduced work efficiency.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an exploded perspective of an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an exploded side view of an embodiment of the present invention;

FIG. 4 is a schematic view of the position of the outer tube and the inner tube according to the embodiment of the present invention;

fig. 5 is a schematic structural diagram of positions of a resistance sheet and an electrode sheet according to an embodiment of the utility model.

Description of reference numerals:

1. an outer tubular body; 2. a lower nut; 3. insulating silica gel sleeve; 4. a connection terminal; 5. a connecting rod; 6. screwing a nut; 7. a mounting seat; 8. a sealing cover; 9. mounting a clamping column; 10. a thread; 11. a card slot; 12. a lower clamping column; 13. a drying bin; 14. an inner tube body; 15. resistance cards; 16. an electrode sheet; 17. a circular hole.

Detailed Description

The embodiments of the present invention will be further described with reference to the accompanying drawings.

Example 1:

as shown in fig. 1-5, the utility model provides a 35kV strut-type composite jacket gapless metal oxide arrester, which comprises an outer tube 1 and an inner tube 14, wherein the inner tube 14 is assembled in an inner cavity of the outer tube 1, a drying bin 13 is arranged between the inner tube 14 and the outer tube 1, sealing covers 8 are fixedly connected to openings at two sides of the outer surfaces of the inner tube 14 and the outer tube 1, connecting terminals 4 penetrate through the middle parts of the two sealing covers 8, one ends of the two connecting terminals 4 are respectively and fixedly connected with a connecting rod 5 and a lower clamping column 12, a clamping groove 11 is arranged in the middle part of the connecting rod 5, and an upper clamping column 9 is clamped in an inner cavity of the clamping groove 11.

Specifically, the surface of interior body 14 is equipped with round hole 17, the inside packing in dry storehouse 13 has dry granule, the middle part of interior body 14 is equipped with resistance card 15, the both sides fixedly connected with electrode slice 16 of resistance card 15 surface, and electrode slice 16 and connecting terminal 4 electric connection, the upper end of connecting rod 5 surface is equipped with screw thread 10, screw thread 10 is equipped with the chamfer, the surface sliding connection who goes up calorie of post 9 has last nut 6, last nut 6 and screw thread 10 looks adaptation, the one end fixedly connected with mount pad 7 of going up calorie of post 9, the surface sliding connection who lower calorie of post 12 has lower nut 2, lower nut 2 with screw thread 10 looks adaptation, the surface fixedly connected with insulating cover 3 of outer body 1, the surface and the sealed lid 8 of insulating silica gel cover 3 are located same level.

The working principle and the beneficial effects of the embodiment are achieved.

The lightning arrester is fixed by the mounting base 7 with the outside, the clamping groove 11 is connected with the upper clamping column 9, the lightning arrester can be preliminarily fixed by the arrangement, the arrangement is simple to operate, the operator does not need to lift for a long time to cause arm fatigue and influence the next work, the working efficiency is reduced, the upper nut 6 is connected with the thread 10, the upper clamping column 9 and the connecting rod 5 can be secondarily fixed by the arrangement, the arrangement can enable the equipment to be more firmly fixed and effectively increase the stability of the device, the arranged lower clamping column 12 can be matched with the clamping groove 11, a plurality of lightning arresters can be connected in series by the arrangement, the using effect is increased, the arranged connecting terminal 4, the electrode plate 16, the insulating silica gel sleeve 3 and the resistor sheet 15 can achieve the lightning arresting effect, the current inside lightning is consumed, the arranged insulating silica gel sleeve 3 increases the insulating effect of the equipment, the inside dry granule that sets up in dry storehouse 13 can adsorb the drying through the humid air of round hole 17 in the internal body 14, prevents that the zinc oxide can wet after using for a long time, influences normal work.

The above examples only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The utility model provides a 35kV pillar type composite outer cover gapless metal oxide arrester, includes outer body and interior body, its characterized in that: the inner pipe body is arranged in an inner cavity of the outer pipe body, the drying bin is arranged between the inner pipe body and the outer pipe body, two sealing covers are fixedly connected to two end ports of the inner pipe body and the outer pipe body respectively, connecting terminals penetrate through the middle portions of the two sealing covers, one ends of the two connecting terminals are fixedly connected with a connecting rod and a lower clamping column respectively, a clamping groove is formed in the middle portion of the connecting rod, and an upper clamping column is clamped in the inner cavity of the clamping groove.

2. The 35kV strut type composite jacket gapless metal oxide lightning arrester as claimed in claim 1, wherein: the outer surface of the inner tube body is provided with round holes, and the inside of the drying bin is filled with drying particles.

3. The 35kV strut type composite jacket gapless metal oxide lightning arrester as claimed in claim 1, wherein: the middle part of the inner tube body is provided with a resistor disc, the two sides of the outer surface of the resistor disc are fixedly connected with electrode plates, and the electrode plates are electrically connected with the connecting terminals.

4. The 35kV strut type composite jacket gapless metal oxide lightning arrester as claimed in claim 1, wherein: the upper end of the outer surface of the connecting rod is provided with a thread, and the thread is provided with a chamfer.

5. The 35kV strut type composite jacket gapless metal oxide lightning arrester as claimed in claim 1, wherein: the outer surface of the upper clamping column is connected with an upper nut in a sliding mode, the upper nut is matched with the threads, and one end of the upper clamping column is fixedly connected with a mounting seat.

6. The 35kV strut type composite jacket gapless metal oxide lightning arrester as claimed in claim 1, wherein: the outer surface of the lower clamping column is connected with a lower nut in a sliding mode, and the lower nut is matched with the threads.

7. The 35kV strut type composite jacket gapless metal oxide lightning arrester as claimed in claim 1, wherein: the outer surface of the outer tube body is fixedly connected with an insulating silica gel sleeve, and the surface of the insulating silica gel sleeve and the sealing cover are located on the same level.