CN219717859U - Live working all-insulation separable hanging type gapless lightning arrester device - Google Patents

Abstract

The utility model discloses a live-line operation all-insulation detachable hanging type gapless lightning arrester device, which relates to the technical field of detachable hanging type gapless lightning arresters, and comprises the following components: the utility model provides a puncture type removable insulating fastener, the drainage wire, hang the connecting plate, light-duty insulating cavity, live working installing support, the arrester body, the separator, the drainage wire is continued the pile head and is tested electric earthing pole, hang the connecting plate and install between light-duty insulating cavity and live working installing support, the arrester body outside is equipped with the contact ring, light-duty insulating cavity is fixed with the fixed ring of contact piece, the fixed ring of contact piece is fixed with the contact piece, the contact piece is connected with the contact ring electricity, it is connected with the fixed ring of contact piece to test electric earthing pole, drainage wire one end is connected with puncture type removable insulating fastener electricity, the drainage wire other end is connected with the drainage wire is continued the pile head, the drainage wire is continued pile head and is connected with the fixed ring electricity of contact piece, the arrester body can be used for being connected with hanging the connecting plate electricity. The utility model can realize the electrification of workers.

Description

Live working all-insulation separable hanging type gapless lightning arrester device

The utility model is a divisional application of a parent case named as a live-line operation all-insulation separable hanging type gapless lightning arrester device; the application number of the parent application is: CN202122382778.1; the application date of the parent application is: 2021-09-24.

Technical Field

The utility model relates to the technical field of separable hanging type gapless lightning arresters, in particular to a live-line operation all-insulation separable hanging type gapless lightning arrester device.

Background

The traditional national standard HY5W type composite outer sleeve metal oxide gapless lightning arrester is a lightning protection product with the most application of the prior line lightning protection, and the gapless lightning arrester has the defects that the lightning arrester is easy to age and damage and needs to be overhauled and replaced regularly due to the fact that the lightning arrester is subjected to long-term system voltage bearing in the system operation, and the lightning arrester can only wait for power failure to be replaced once damaged, lightning stroke and overvoltage damage are caused again during replacement, the lightning arrester cannot continue to play a role in protection, and a large amount of manpower and material resources are consumed and the lightning arrester is limited by topography when the bucket arm car is used for live replacement.

Another type of drop-out arrester disclosed in CN201320171068.7 is that after the zinc oxide arrester is refitted, the arrester is installed on the drop-out mechanism of the original drop-out fuse, so that under the condition of no power failure, the arrester can be detected, maintained and replaced by means of an insulating operating rod. The falling mechanism has the defects of complex structure, high processing cost and troublesome assembly; the main electric element is exposed and easy to age, easy to pollute and short-circuit, and influences the integral insulation design process; when the lightning arrester body is closed, the elastic sheet is compressed for energy storage, so that the lightning arrester is easy to fatigue and lose efficacy, and when the disconnector breaks down, the falling mechanism can lose efficacy, and the line lightning protection is not protected; although the damaged lightning arrester body can be detached for replacement in an electrified manner when damaged, the drop-out lightning arrester is required to be matched with a detacher, the lightning arrester cannot be used without the detacher, and the integration level is low and is heavy.

The other is a chamber arrester, which mainly moves the zinc oxide arrester body indoors from outdoors, thereby reducing the influence of natural environment on the arrester body; the lightning arrester can be detected, maintained and replaced by means of the insulating operating rod. Although the live working quick-change lightning arrester body has the function, the lightning arrester device has no function of quick and convenient live working of installing and detaching.

Therefore, a novel live-line operation all-insulation detachable hanging type gapless lightning arrester device is urgently needed in the market and is used for solving the problems.

Disclosure of Invention

The utility model aims to provide a live-wire operation all-insulation separable hanging type gapless arrester device, which is used for solving the technical problems in the prior art, and can be used for rapidly installing or detaching the whole arrester device in live-wire operation by means of an insulation operating rod, rapidly separating, overhauling, plugging and replacing an arrester body in live-wire operation, and is provided with an electricity-checking grounding rod which is convenient for hanging a grounding wire and hanging the arrester device on an original iron cross arm of a circuit.

In order to achieve the above object, the present utility model provides the following solutions:

the utility model discloses a live working all-insulation detachable hanging type gapless lightning arrester device, which comprises: puncture type removable insulating fastener, drainage wire, hang connecting plate, light-duty insulating cavity, live working installing support, arrester body, separator, second sealing washer, second pile head insulating boot, third sealing washer, second drainage wire are continued pile head, are tested electric ground rod, contact piece solid fixed ring, contact piece and elasticity extension spring, the one end of hanging the connecting plate is installed on the light-duty insulating cavity, the other end of hanging the connecting plate is installed on the live working installing support, the arrester body can be used for installing in the light-duty insulating cavity, the outside of arrester body is equipped with the contact ring and during the lightning strike the arrester body with can electrically conduct between the contact ring, be fixed with the contact piece solid fixed ring on the contact piece solid fixed ring and can electrically conduct between the contact piece, the contact piece with the contact ring electricity is connected, it is connected with the contact piece solid fixed ring to test electric ground rod, the one end of drainage wire with puncture type can be used for installing in the live working installing support, the arrester body with can be used for connecting with the live working is connected to the arrester body with the live working pile head, can be connected in proper order to the lightning conductor, the arrester body with the live working is connected with the live-wire pile head can be connected in proper order, the live working is connected with the electric connector.

Preferably, the hanging connecting plate is in a bending shape;

one end of the hanging connecting plate is in threaded connection with the top end of the light insulating cavity, and a second sealing ring is arranged between the hanging connecting plate and the light insulating cavity in a cushioning mode;

the other end of the hanging connecting plate is connected with the side face of the live working installing support in a threaded mode into a whole.

Preferably, the live working installing support has second ring bolt, second ring bolt can be used for pushing up tight iron cross arm, second ring bolt top department is equipped with the second spring washer.

Preferably, the light insulating cavity is of a tower-type structure, and the light insulating cavity is provided with a plurality of sheds, and the top shed is larger than the lower shed.

Preferably, an upper insulating waterproof piston ring is arranged at the upper end of the lightning arrester body, and two sealing rings are arranged on the upper insulating waterproof piston ring;

the lower part of the contact ring is provided with a lower insulating waterproof piston ring.

Preferably, the second drainage wire connecting pile head is provided with a third sealing ring, and the second drainage wire connecting pile head is covered by a second pile head insulating cover from the outer side.

Preferably, the puncture type detachable insulating wire clamp comprises a first drainage wire connection pile head and a metal wire clamping body, wherein the first drainage wire connection pile head is fixedly connected with the metal wire clamping body, a screw rod is connected to the metal wire clamping body, a movable wire pressing block is fixed to the top end of the screw rod, three thorns are arranged at the V-shaped position of the movable wire pressing block, the thorns are punctured into the insulating wire, a first annular bolt is arranged at the bottom end of the screw rod, and the movable wire pressing block can be driven to be automatically closed by tightening the first annular bolt.

Preferably, a first sealing ring is arranged between the first drainage wire connecting pile head and the metal wire clamping body in a cushioning mode;

a first pile head insulating cover is sleeved outside the first drainage wire connecting pile head;

the puncture type detachable insulating wire clamp is provided with a mounting hanging ring;

a first spring washer is arranged between the movable pressing line block and the top end of the screw rod.

Preferably, a screw jacket is arranged on the outer side of the screw, and the screw jacket stretches when the first annular bolt is screwed;

an insulating sheath is arranged on the outer side of the movable wire pressing block;

the outer side of the metal wire clamping body is provided with a metal wire clamping body surface insulating layer;

the outer surface of the first annular bolt is provided with a metal annular bolt surface insulating layer.

Preferably, an elastic tension spring is fixed to the contact piece.

Compared with the prior art, the utility model has the following technical effects:

the utility model can be used for rapidly installing or detaching the live-line all-insulation detachable hanging type gapless lightning arrester device, can be used for rapidly separating, overhauling, plugging and replacing the lightning arrester body in live-line operation, is provided with the electricity-checking grounding rod, is convenient for hanging the grounding wire, and can be hung and installed on the original iron cross arm of the line.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are 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 utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a live working all-insulated detachable hanging type gapless lightning arrester device according to an embodiment of the utility model.

Fig. 2 is a schematic structural view of a pile head insulating cover in a live working full-insulating separable hanging type gapless lightning arrester device according to an embodiment of the utility model.

Fig. 3 is a schematic structural view of a lightning arrester body in the live working all-insulated detachable hanging type gapless lightning arrester device according to the embodiment of the utility model.

Fig. 4 is a schematic diagram of an upper insulating waterproof piston ring in the live working all-insulating detachable hanging type gapless lightning arrester device according to the embodiment of the utility model.

Fig. 5 is a schematic structural view of a hanging connection plate in a live-wire operation all-insulation separable hanging type gapless lightning arrester device according to an embodiment of the utility model.

Fig. 6 is a schematic structural diagram of a live-line installation bracket in a live-line operation all-insulated detachable hanging type gapless lightning arrester device according to an embodiment of the utility model.

Fig. 7 is a schematic structural diagram of a piercing type detachable insulating wire clip in a live working all-insulating detachable hanging type gapless lightning arrester device according to an embodiment of the utility model.

In the figure: the device comprises a 1-puncture type detachable insulating wire clamp, a 1.1-first spring washer, a 1.2-thorn tooth, a 1.3-first annular bolt, a 1.4-mounting hanging ring, a 1.5-first pile head insulating cover, a 1.6-first drainage wire connection pile head, a 1.7-first sealing ring, a 1.8-screw rod, a 1.9-movable wire pressing block, a 1.10-metal wire clamping body, a 1.12-screw rod jacket, a 1.13-insulating sheath, a 1.14-metal wire clamping body surface insulating layer, a 1.15-metal annular bolt surface insulating layer, a 2-drainage wire, a 3-upper contact sheet, a 4-hanging connecting plate, a 5-light insulating cavity, a 6-live working mounting bracket, a 6.1-second annular bolt, a 6.4-second spring washer, a 7-upper contact, an 8-upper insulating waterproof piston ring, an 8.1-sealing ring, a 9-arrester body, a 10-contact ring, a 11-lower insulating waterproof piston ring, a 12-separator, a 13-second sealing ring, a 14-second sealing ring, a 15-third wire connector, a 16-third contact wire, a tension spring, a 21-contact ring, a 8-live working wire connector, a 8-second insulating sleeve, a 8-contact ring, a 8-live wire connector, a 8-contact ring, an elastic wire connector, an elastic support ring, a 20-contact rod, an insulating rod, a 20-contact rod, and an insulating rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model aims to provide a live-wire operation all-insulation separable hanging type gapless arrester device, which is used for solving the technical problems in the prior art, and can be used for rapidly installing or detaching the whole arrester device in live-wire operation by means of an insulation operating rod, rapidly separating, overhauling, plugging and replacing an arrester body in live-wire operation, and is provided with an electricity-checking grounding rod which is convenient for hanging a grounding wire and hanging the arrester device on an original iron cross arm of a circuit.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

As shown in figures 1-7, the live working full-insulation separable hanging type gapless lightning arrester device comprises a puncture type detachable insulating wire clamp 1, a drainage wire 2, an upper contact piece 3, a hanging connecting plate 4, a light insulating cavity 5, a live working mounting bracket 6, an upper contact 7, an upper insulating waterproof piston ring 8, a lightning arrester body 9, a contact ring 10, a lower insulating waterproof piston ring 11, a separator 12, a second sealing ring 13, a second pile head insulating cover 14, a third sealing ring 15, a second drainage wire connecting pile head 16, an electricity testing grounding rod 17, a contact piece fixing ring 18, a contact piece 19, an elastic tension spring 20 and the like.

The method is mainly applied to lightning protection and disconnection and overvoltage operation at the medium-voltage distribution network equipment end. The insulation operation rod live working mounting bracket 6 and the puncture type detachable insulation wire clamp 1 can be used, the insulation wire of the puncture type detachable insulation wire clamp 1 does not need to be peeled off, 3 thorns 1.2 in the puncture type detachable insulation wire clamp 1 can penetrate into the wire to ensure stable electrical connection, the insulation layer of the wire can not be damaged, the device can be additionally arranged or detached in live working, assemblies such as the insulation operation rod plug-in separator 12 and the lightning arrester body 9 for live working can be rapidly overhauled and replaced, a plurality of inconveniences caused by outage are reduced, and the efficiency of additional arrangement and overhauling is improved; the electricity-checking grounding rod 17 facilitates the electricity-checking hanging grounding wire and the live-wire equipment overhaul construction grounding protection, and is hung on the original iron cross arm 21, so that the arrester cross arm is omitted, the installation of the cavity arrester anchor ear is omitted, the cost is saved, the line corridor and the attractiveness are increased, and the condition is strived for live-wire operation.

One end of a hanging connecting plate 4 made of metal materials is arranged at the top end of a light insulating cavity 5 and screwed tightly, and a sealing ring is used for sealing the connecting part, so that water vapor and salt are prevented from entering the light insulating cavity 5 to damage the sealing environment.

The other end of the hanging connecting plate 4 in a bent shape is in threaded connection with the side face of the live working installing support 6, the insulating operating rod is convenient to put the live working installing support 6 on the existing iron cross arm 21 of a line, a cross arm line corridor is saved, the appearance is attractive, the insulating operating rod is used for tightening the second annular bolt 6.1, the second spring washer 6.4 of the live working installing support is of an anti-loosening design structure, and long-time loosening is prevented. The live working can be realized by the first installation of the lightning arrester.

The light insulating cavity 5 is of a tower-type structure, the structure of the big umbrella skirt and the structure of the small umbrella skirt are matched to meet the requirement of the climbing distance, the uppermost umbrella skirt is larger than all umbrella skirts below, the functions of preventing rain curtains from being polluted and preventing drooping icicles from adhering to other umbrella skirts are achieved, and the light insulating cavity also has a certain function of blocking ladybug snow, so that the lightning arrester is more reliable in insulation under natural disasters. The arc transition is adopted at the matched root parts of the large umbrella skirt and the small umbrella skirt to strengthen the intensity of the cavity, so that an explosion-proof effect is achieved to prevent the lightning arrester from damaging burst fragments to splash, the splashed metal oxide and the fragile porcelain coat are easy to cause line grounding faults once the lightning arrester breaks down, other electrical equipment and passers-by are injured, and the lightning arrester is inconvenient to install at the high position of the line and construct.

The upper part of the lightning arrester body 9 is additionally provided with the insulating waterproof piston ring 8 for sealing, the lightning arrester is made of insulating composite materials, the structural design similar to an automobile piston is that the upper surface of the lightning arrester body 9 is adhered with hard insulating materials, the upper surface of the upper insulating waterproof piston ring 8 is provided with two grooves for installing soft rubber rings, the sealing effect is achieved, the insulating effect is achieved, the high voltage at the top end of the lightning arrester body 9 is prevented from climbing from the inside of the cavity, because the inside of the light insulating cavity 5 is a smooth surface, the climbing can be carried out from the outside of the light insulating cavity, and the inside of the cavity and the lightning arrester body 9 are sealed by the upper insulating waterproof piston ring 8.

The lower part of the contact ring 10 is additionally provided with a lower insulating waterproof piston ring 11 for sealing, so that the sealing effect is achieved to prevent the erosion of water vapor and salt mist.

The upper and lower structures of the light insulating cavity 5 have a certain taper, so that the sealing structure of the light insulating cavity 5 and the lightning arrester body 9 is better, the light insulating cavity 5 is of a structure with the upper narrow part and the lower wide part, the lightning arrester body 9 is inserted into the light insulating cavity 5 more and more tightly, and the bottom is sealed by the lower insulating waterproof piston ring 11.

The second drainage wire connecting pile head 16 is sealed by the third sealing ring 15 to prevent the tightness between the light insulation cavity 5 and the lightning arrester body 9 from being influenced, the wire head of the drainage wire 2 is pressed on the second drainage wire connecting pile head 16, the second pile head insulating cover 14 is used for integrally covering the wind blowing and rain preventing pile head 16 to play a role in multiple connection, the light insulation cavity 5 is screwed with the contact piece fixing ring 17 inside, the drainage wire 2 is connected by the second drainage wire connecting pile head 16, and the middle is sealed by the third sealing ring 15.

The wire head of the drainage wire 2 is pressed on the puncture type detachable insulating wire clamp 1 made of a metal material with good conductivity, the first pile head insulating cover 1.5 made of a soft elastic rubber product material is tightly covered integrally, wind, rain and moisture invasion are prevented, the operation rod is sleeved on the mounting hanging ring 1.4 in a live working mode, the bayonet of the puncture type detachable insulating wire clamp 1 is conveniently screwed on a high-voltage wire, the first annular bolt 1.3 is screwed to drive the movable wire pressing block 1.9 to tightly press against the insulating wire, the three thorns 1.2 can uniformly puncture the insulating wire to ensure stable electrical connection, the length of the thorns 1.2 is verified through multiple tests, the wire is not damaged while the sufficient electrical connection is ensured, the puncture mode is simplified, the wire is not peeled, the insulating layer is not damaged, the bare dew point is reduced, and the full insulation of the wire is facilitated.

The side of the contact ring 10 is provided with two screw holes, which can be connected with the separator 12 in a threaded manner, so that the separator 12 and the contact ring 10 form a whole, and when the live-line operation fully-insulated detachable hanging type gapless lightning arrester device is replaced and overhauled, the lightning arrester body 9 can be driven to be plugged and unplugged only by clamping the operation lock catches at the two ends of the separator 12.

The contact fixing ring 18 is made of metal material with good conductivity, screw holes are uniformly distributed at the bottom for fixing the contact 19, and the contact 19 made of metal material with good conductivity and better elasticity is in tight elastic constant electrical contact with the contact ring 10 so as to ensure normal through flow.

The electricity-checking grounding rod 17 passes through the light insulating cavity 5 and is connected onto the contact fixing ring 18 in a threaded manner, when the circuit equipment needs to be overhauled or replaced, the electricity-checking grounding rod 17 is connected with a ground wire, construction operation is carried out, the electricity-checking grounding rod 17 facilitates hanging of the ground wire, and guarantee is provided for the safety of construction.

The elastic tension spring 20 is wrapped around the contact piece 19 to tighten, so that the contact piece 19 is prevented from being deteriorated in elasticity after a long time.

The outer diameter of the lower end of the lightning arrester body 9 is closely matched with the inner wall of the contact ring 10, a metal electrode at the bottom of the lightning arrester body 9 is in tight electrical contact with the end part of the contact ring 10 through screw connection, the bottom end of the lightning arrester body 9 is conical, the connection is more compact and firm by utilizing the softness of a silicone rubber jacket, the screw connection is correspondingly and tightly matched, the contact ring 10 is connected with the separator 12 through screw connection of a conical tightening sealing structure to form a whole, and the separator 12 is made of high-strength ultraviolet-resistant PC insulating material; the lower part of the separator is in conical guide, and the waist part is provided with symmetrical cylindrical plug operation catches. The lower insulating waterproof piston ring 11 is tightly matched and sealed between the lower end of the contact ring 10 and the separator 12, the lower insulating waterproof piston ring 11 is driven when the contact ring is inserted into the lightning arrester body 9 assembly, a soft and elastic rubber product is adopted, the outer edge of the contact ring is in water vapor proof and insulating sealing movable fit with the inner wall of the light insulating cavity 5, the water vapor and salt mist corrosion is prevented by the sealing effect, the light insulating cavity 5 is formed by injection molding of an Ultraviolet (UV) -resistant PC hard insulating material, and the arc of the root of the umbrella skirt is excessively enhanced.

The drainage wire 2 wire head is in pressure connection with a first drainage wire connection pile head 1.6 on the puncture type detachable insulating wire clamp 1 to form a whole, the whole pile head is covered by a first pile head insulating cover 1.5 to seal, the first drainage wire connection pile head 1.6 on the puncture type detachable insulating wire clamp 1 is in threaded connection with a metal wire clamping body 1.10 to form a whole, a first sealing ring 1.7 is padded between the first drainage wire connection pile head 1.6 and the metal wire clamping body 1.10, and corrosion caused by water vapor salting entering at a joint part for a long time is prevented.

The insulating layer 1.15 on the surface of the metal annular bolt on the puncture type detachable insulating wire clamp 1 is made of hard insulating materials to play an insulating protection role, the insulating sheath 1.13 of the movable wire pressing block 1.9 on the puncture type detachable insulating wire clamp 1 is made of soft insulating materials to ensure close contact with an insulated wire, the insulating layer 1.14 on the surface of the metal annular bolt on the puncture type detachable insulating wire clamp 1 is made of hard insulating materials to play an insulating protection role, the outer surface of the mounting hanging ring 1.4 on the puncture type detachable insulating wire clamp 1 is made of hard insulating materials to play an insulating operation rod operation role, the screw jacket 1.12 on the puncture type detachable insulating wire clamp 1 is made of soft insulating materials, the insulating operation rod is hung on the insulated wire at the mounting hanging ring 1.4, the first annular bolt 1.3 is screwed to drive the movable wire pressing block 1.9 to be automatically closed, the insulated wire is tightly fixed with the metal annular bolt body 1.10, the screw jacket 1.12 is made of soft insulating materials, the screw jacket 1.12 can stretch out and draw back when the first annular bolt 1.3 is screwed, and the puncture type detachable insulating wire clamp 1.2 is connected with lightning stroke through three puncture teeth, and the lightning stroke flow is stable.

The live working all-insulated detachable hanging type gapless lightning arrester device is characterized in that an electricity testing grounding rod 17 passes through the light insulation cavity 5 and is connected to the contact piece fixing ring 18 in a threaded manner, and a grounding wire is not required to be hung when the lightning arrester body 9 is assembled and disassembled for plug-in operation, so that plug-in replacement can be performed.

The lightning arrester body 9 is inserted into the light insulating cavity 5, the top end of the light insulating cavity 5 is screwed with the hanging connecting plate 4, the hanging connecting plate 4 is in a bent shape and is screwed on the live working installation bracket 6, one end of the drainage wire 2 is screwed on the second drainage wire connecting pile head 16, the other end of the drainage wire 2 is screwed on the puncture type detachable insulating wire clamp 1, a set of live working all-insulating detachable hanging type gapless lightning arrester device can be assembled, during installation, the whole device is lifted by operating the lock catches inserted into two sides of the separator 12 by using the insulating operation rod, the live working installation bracket 6 is additionally arranged on the existing iron cross arm 21 of a circuit, the second annular bolt 6.1 extending into the live working installation bracket 6 is screwed, the puncture type detachable insulating wire clamp 1 is installed on the wire by using the insulating operation rod extending into the installation hanging ring 1.4, and then the live working can be realized by initial installation of the lightning arrester.

The product is mainly applied to overvoltage protection at the line equipment end. The device can be additionally installed or detached by using an insulating operating rod in a live working way; the lightning arrester body 9 in the light insulating cavity 5 can be rapidly overhauled, plugged and replaced by an insulating operation rod for live working, so that a plurality of inconveniences caused by outage are reduced, and the efficiency of adding and overhauling is improved; the electricity testing grounding rod 17 is convenient for hanging a grounding wire; the hanging type lightning arrester cross arm is arranged on the original cross arm, so that the number of the lightning arrester cross arm is reduced, and a line corridor is increased and the appearance is attractive.

When the line is damaged by lightning, lightning current passes through the thorns 1.2 on the puncture type detachable insulating wire clamp 1 to the drainage wire 2, the lightning current reaches the lightning arrester body 9 along the drainage wire 2, the lightning arrester body 9 made of zinc oxide material is in a low-resistance state under a high-voltage state, the lightning current is conducted to a grounding wire through the hanging connecting plate 4 and the live working mounting bracket 6, and when the lightning current is discharged to the ground, the lightning arrester body 9 is restored to the high-resistance state, and the lightning arrester has a good control effect on operation overvoltage due to the existence of no gap.

When the lightning arrester is damaged, the operation lock catches on two sides of the separator 12 are clamped by the insulating operation rod to pull out the lightning arrester body 9, then the operation rod is used for replacing the new lightning arrester body 9 to continue to operate, the grounding wire is not required to be hung, the lightning arrester on the traditional line can only be replaced after the power failure, or the grounding wire is hung to be replaced, a large amount of manpower and material resources are consumed, the lightning arrester cannot play a role in protecting the line during the damage, and certain economic loss is caused by the power failure, so that live working is particularly important.

The power supply reliability has become an examination index to the electric company, live working on the remote line that mountain area or paddy field are densely covered is a technical difficulty always, how effectual reduction outage number of times reduces intensity of labour, live working just can carry out live working when first installation to live working all-insulated detachable suspension type gapless arrester device, the line insulation level is improved, the arrester node can realize full insulation, the use of live working installing support 6 lets live working all-insulated detachable suspension type gapless arrester device more firm reliable, especially the 6.5 departments of upper end live working installing support 6 adopt buckle chucking design can let support horizontal direction more firmly avoid sliding.

The top end of the light insulating cavity 5 is an electrical connection point, and meanwhile, the light insulating cavity 5 also plays a role in supporting and hanging the whole cavity, is made of a good PC material, has good electrical insulating property, high mechanical strength, good explosion-proof property and good waterproof and pollution-resistant properties, is an insulating engineering material which is good and greatly lightens the weight of the whole device, and once an old lightning arrester breaks down, splashed metal oxide and a fragile porcelain jacket easily cause line grounding faults, hurt other electrical equipment and passers-by and are inconvenient to install at the high position of a line.

According to the national standard, the design of the lightning arrester umbrella skirt is in a structure that the upper part is big and the lower part is small, and the structure is big, and the light insulation cavity 5 is designed that the uppermost umbrella skirt is the largest, so that the protection effect on the lower umbrella skirt can be well achieved, and experiments show that the first umbrella skirt can better prevent the occurrence of surface flashover due to the adoption of the largest umbrella skirt, and particularly has good effect on blocking an electric channel formed by a rain curtain, an ice column and snow.

The light insulating cavity 5 is made of a hard high-strength PC material, so that birds can be prevented from tearing and pecking, and particularly, the environment is improved and birds are increased in recent years, and the operation of a circuit is damaged to some extent.

The design is intended to be: weight reduction and explosion protection performance enhancement; the insulation grade of the circuit is improved; the quick live working is realized, the assembly, disassembly, maintenance and replacement of the product are not required to climb a rod, the operation can be finished on the ground by means of an insulating operation rod, the labor intensity is reduced, and the operation and maintenance safety is improved; the electricity checking grounding rod is convenient to use, the grounding wire is hung, the line equipment can be directly overhauled and replaced after being hung, and a wire is connected in a live working puncture mode during installation, so that an insulating layer of the wire is not damaged, and the full insulation of the line is facilitated; the lightning arrester body 9 is installed in the insulating cavity 5, so that the invasion of sunlight, rain and haze is avoided, the lightning arrester is more stable, and the service life is longer.

The principles and embodiments of the present utility model have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present utility model and its core ideas; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.

Claims (10)

1. The utility model provides a live working all-insulated detachable suspension type zero clearance arrester device which characterized in that includes: the utility model provides a puncture type detachable insulating wire clamp (1), a drainage wire (2), an upper contact piece (3), a hanging connecting plate (4), a light insulating cavity (5), a live working installing support (6), an upper contact (7), a rim waterproof piston ring (8), a lightning arrester body (9), a contact ring (10), a lower insulating waterproof piston ring (11), a separator (12), a second sealing ring (13), a second pile head insulating cover (14), a third sealing ring (15), a second drainage wire connecting pile head (16), an electricity testing grounding rod (17), a contact piece fixing ring (18), a contact piece (19) and an elastic tension spring (20), one end of the hanging connecting plate (4) is installed on the light insulating cavity (5), the other end of the hanging connecting plate (4) is installed on the live working installing support (6), the lightning arrester body (9) can be used for being installed in the light insulating cavity (5), the outer side of the lightning arrester body (9) is provided with the contact ring (10) and the contact ring (10) can be fixed in the light insulating cavity (5) when the lightning is hit, the lightning arrester is characterized in that the contact piece fixing ring (18) is fixedly provided with the contact piece (19) and can conduct electricity between the contact piece fixing ring (18) and the contact piece (19), the contact piece (19) is electrically connected with the contact ring (10), the electricity checking grounding rod (17) is connected with the contact piece fixing ring (18), one end of the drainage wire (2) is electrically connected with the puncture type detachable insulating wire clamp (1), the other end of the drainage wire (2) is connected with the second drainage wire connecting pile head (16), the second drainage wire connecting pile head (16) is electrically connected with the contact piece fixing ring (18), the lightning arrester body (9) can be used for being electrically connected with the hanging connection plate (4), the live working installation support (6) can be hung on the iron cross arm (21), and lightning current can sequentially pass through the lightning arrester body (9) and the hanging connection plate (4) and the live working installation support (6) and then conduct electricity to the ground wire.

2. The live-wire all-insulated separable suspended-type gapless arrester device as claimed in claim 1, wherein: the hanging connecting plate (4) is in a bending shape;

one end of the hanging connecting plate (4) is in threaded connection with the top end of the light insulating cavity (5), and a second sealing ring (13) is arranged between the hanging connecting plate (4) and the light insulating cavity (5);

the other end of the hanging connecting plate (4) is connected with the side surface of the live working installation bracket (6) in a threaded manner into a whole.

3. The live-wire all-insulated separable suspended-type gapless arrester device as claimed in claim 1, wherein: the live working installing support (6) is provided with a second annular bolt (6.1), the second annular bolt (6.1) can be used for propping up the iron cross arm (21), and a second spring washer (6.4) is arranged at the top of the second annular bolt (6.1).

4. The live-wire all-insulated separable suspended-type gapless arrester device as claimed in claim 1, wherein: the light insulating cavity (5) is of a tower-shaped structure, the light insulating cavity (5) is provided with a plurality of sheds, and the shed at the uppermost part is larger than that below the uppermost part.

5. The live-wire all-insulated separable suspended-type gapless arrester device as claimed in claim 1, wherein: an upper insulating waterproof piston ring (8) is arranged at the upper end of the lightning arrester body (9), and two sealing rings (8.1) are arranged on the upper insulating waterproof piston ring (8);

the lower part of the contact ring (10) is provided with a lower insulating waterproof piston ring (11).

6. The live-wire all-insulated separable suspended-type gapless arrester device as claimed in claim 1, wherein: the second drainage wire connecting pile head (16) is padded with a third sealing ring (15), and the outer side of the second drainage wire connecting pile head (16) is covered by a second pile head insulating cover (14).

7. The live-wire all-insulated separable suspended-type gapless arrester device as claimed in claim 1, wherein: the puncture type detachable insulating wire clamp (1) comprises a first drainage wire connecting pile head (1.6) and a metal wire clamping body (1.10), wherein the first drainage wire connecting pile head (1.6) is fixedly connected with the metal wire clamping body (1.10), a screw rod (1.8) is connected to the metal wire clamping body (1.10), a movable wire pressing block (1.9) is fixed to the top end of the screw rod (1.8), three thorns (1.2) are arranged at the V-shaped position of the movable wire pressing block (1.9), the thorns (1.2) pierce the inside of an insulating wire, a first annular bolt (1.3) is arranged at the bottom end of the screw rod (1.8), and the screw rod (1.3) can drive the movable wire pressing block (1.9) to be automatically closed.

8. The live-wire all-insulated separable overhead arrester installation of claim 7, wherein: a first sealing ring (1.7) is arranged between the first drainage wire connecting pile head (1.6) and the metal wire clamping body (1.10);

a first pile head insulating cover (1.5) is sleeved outside the first drainage wire connecting pile head (1.6);

the puncture type detachable insulating wire clamp (1) is provided with a mounting hanging ring (1.4);

a first spring washer (1.1) is arranged between the movable pressing line block (1.9) and the top end of the screw rod (1.8).

9. The live-wire all-insulated separable overhead arrester installation of claim 7, wherein: the outer side of the screw (1.8) is provided with a screw jacket (1.12), and the screw jacket (1.12) stretches when the first annular bolt (1.3) is screwed;

an insulating sheath (1.13) is arranged at the outer side of the movable wire pressing block (1.9);

the outer side of the metal wire clamping body (1.10) is provided with a metal wire clamping body surface insulating layer (1.14);

the outer surface of the first annular bolt (1.3) is provided with a metal annular bolt surface insulating layer (1.15).

10. The live-wire all-insulated separable suspended-type gapless arrester device as claimed in claim 1, wherein: an elastic tension spring (20) is fixed on the contact piece (19).