CN106053897B - Cross arm shielding cover is used in electric power detection - Google Patents
Cross arm shielding cover is used in electric power detection Download PDFInfo
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- CN106053897B CN106053897B CN201610406698.6A CN201610406698A CN106053897B CN 106053897 B CN106053897 B CN 106053897B CN 201610406698 A CN201610406698 A CN 201610406698A CN 106053897 B CN106053897 B CN 106053897B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/18—Screening arrangements against electric or magnetic fields, e.g. against earth's field
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Abstract
The present invention provides a kind of electric power detection cross arm shielding cover, is used to cover the cross-arm of livewire work comprising: cross-arm cover comprising the first noumenon and the second ontology；Conducting wire fixed mechanism comprising multiple arcs metallic channel；Insulation barrier comprising two fan-shaped plate bodys；Detection device comprising alarm device, electric-field sensor and controller.The present invention is arranged the second ontology by sliding in the first noumenon, second ontology can stretch in the first noumenon, realize the length that mask is adjusted according to the length of cross-arm, single mask is enabled to be suitable for the cross-arm of size mostly, it is provided with detection device simultaneously, the current value size born at any time to cross-arm detects, and improves the safety of mask by alarm device and alarm when exceeding human-body safety value.
Description
Technical field
The present invention relates to electric power detections, to maintain equipment field.It is more particularly related to a kind of electric power detection cross
Carry on a shoulder pole mask.
Background technique
For the safety and stablization for ensureing power grid power supply, need that periodically power equipment is detected and is transformed, it is most of to be
The livewire work in high-altitude is pacified to guarantee that electrical body and grounding body must be dielectrically separated from by the personal safety of operating personnel
Fill insulating shielding device.In the prior art, cross-arm is covered frequently with insulated target and mask, however blanket is due to cross-arm shape
Shape is special, time-consuming and laborious with insulated target encapsulation process, and appearance is irregular after package, since cross-arm iron is attached in encapsulation process
The corner burr of part is easy to damage insulated target, brings security risk to livewire work；Existing mask size structure is more solid
Fixed, size is non-adjustable, and cross-arm has different size size, limits the use scope of single mask, while mask
Function is more single, does not have the voltage or current value for checking that cross-arm is born, and reminds the function of operating personnel in time.
Therefore it provides a kind of adjustable, the cross-arm insulated shielding cover with warning function, to realize the masking to cross-arm,
It is current those skilled in the art technical problem urgently to be resolved.
Summary of the invention
It is an object of the invention to solve at least the above problems, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of electric power detection cross arm shielding cover, the present invention passes through in the first noumenon
Middle sliding is arranged the second ontology, and the second ontology can stretch in the first noumenon, realizes and adjusts mask according to the length of cross-arm
Length enables single mask to be suitable for the cross-arm of size more, while provided with detection device, being held at any time to cross-arm
The current value size received is detected, and improves mask by alarm device and alarm when exceeding human-body safety value
Safety.
In order to realize these purposes and other advantages according to the present invention, provides a kind of electric power detection and covered with cross-arm
Cover, is used to cover the cross-arm of livewire work comprising:
Cross-arm cover comprising the first noumenon of the hollow cylinder structure of open at one end and with the first noumenon slide connect
Second ontology connecing and along the first noumenon axis direction extension, second ontology includes coaxial line disposed in parallel
Interior semicircular cylinder and outer semicircular cylinder, the outer semicircular cylinder is between the interior semicircular cylinder and the first noumenon, the outer semicircle
Cylinder can be slided along the axis direction of the first noumenon, and the interior semicircular cylinder can be rotated relative to the outer semicircular cylinder annular, described
The first side of interior semicircular cylinder and the second side of the outer semicircular cylinder are equipped with the magnet that can be attracted each other, so that the interior semicircle
When the relatively described outer semicircular cylinder of cylinder turns to extreme position, the interior semicircular cylinder and the outer semi-cylindrical shaped are at described in accommodating portion
The hollow class cylinder of cross-arm；Open slot extend there are two being set on the first noumenon along its axis direction and opposite, two
The first noumenon is separated into the first part and second part of two non-touching half-cylinder structures by a open slot,
The multiple and the first noumenon coaxial line the first arc-shaped through-hole is offered in the first part and the second part respectively
With the second arc-shaped through-hole, first arc-shaped through-hole it is opposite with second arc-shaped through-hole and formed plane and institute
The bottom surface for stating the first noumenon is parallel, and first arc-shaped through-hole and second arc-shaped through-hole are along the axis of the first noumenon
Direction is arranged, and is offered respectively and first arc-shaped through-hole and second arc on the interior semicircular cylinder and the outer semicircular cylinder
The corresponding third arc-shaped through-hole of shape through-hole and the 4th arc-shaped through-hole；It is successively equipped on the inner wall of the bottom surface of the first noumenon
The middle part of first layer soft rubber cushion, compressed spring and second layer soft rubber cushion, the second layer soft rubber cushion is equipped with groove；
Conducting wire fixed mechanism comprising multiple be arranged in the first part and the second part accommodates conducting wire
Arc metallic channel, multiple metallic channels are located at second ontology close to one end of the first noumenon closed end and described
Between the closed end of the first noumenon, multiple metallic channels are connected to the open slot and along the axis sides of the first noumenon
To arrangement, sliding is equipped with multiple striped blocks on the inner wall of the open slot, and the striped blocks described in one slidably to leading
The overthe openings of wire casing simultaneously form the enclosure space for accommodating conducting wire；The inner wall of the metallic channel is equipped with arc felt pad, described
Felt pad includes inner polytetrafluoroethyllayer layer, metal net layer, vacuum bed course and polytetrafluorethylene outer layer from inside to outside；
Insulation barrier comprising be generally aligned in the same plane two fan-shaped plate bodys, opposite two of two fan-shaped plate bodys
Semicircular indentations are respectively equipped on side, the semicircular indentations inner wall is equipped with annular sponge body, two fan-shaped plate bodys
It is connect respectively with the first linking arm of pincerlike handle and the second linking arm, enables unlatching/merging band of the pincerlike handle
The relative movement of dynamic two fan-shaped plate bodys, a fan-shaped plate body can pass through first arc-shaped through-hole and the third
Arc-shaped through-hole enters the inside of the first noumenon and second ontology, another described fan-shaped plate body can pass through described second
Arc-shaped through-hole and the 4th arc-shaped through-hole enter the inside of the first noumenon and second ontology, two fanning strips
Body forms centre and stays round-meshed ring structure, and the envelope for accommodating the cross-arm is formed with the first noumenon and second ontology
Close space；
Detection device comprising the alarm device between the first layer soft rubber cushion and the spring is set, is arranged in institute
The controller stating the electric-field sensor of inside grooves and being electrically connected with the alarm device and electric-field sensor；The controller is set
It is set to field strength on the cross-arm for receiving the electric-field sensor detection and changes and be converted into current digital value, by current digital value
It is compared with pre-set threshold value, if the current digital value is greater than threshold value, starts the alarm device；If being not more than,
Do not start.
Preferably, electric power detection cross arm shielding cover, the first noumenon, second ontology and the fan
One layer of abrasion-proof insulating coating is coated on the surface of shape plate body, the coatings include the raw material of following parts by weight: poly-
45 parts of vinyl acetate resin, 0.1 part of silane coupling agent, 9 parts of kaolin, 1 part of feldspar in powder, 0.3 part of peppermint root powder, nano inorganic
15 parts of filler, 40 parts of dimethylbenzene, 2 parts of polyolefin-wax, 0.2 part and 0.2 part of defoaming agent of loose ester；
Wherein, the nano inorganic filler is wollastonite in powder, the talcum for being 1:1.2:1.4:1:1.5:1.6 by weight ratio
The mixture that powder, bentonite, land plaster, attapulgite and aluminium oxide are formed.
Preferably, the electric power, which detects, uses cross arm shielding cover, along its axis direction on the inner wall of the first noumenon
Equipped with first sliding groove, the outer wall of the closed end close to the first noumenon of the outer semicircular cylinder is equipped with the first sliding block, described
First slider containment is in the first sliding groove and can slide wherein, realizes that the outer semicircular cylinder can the relatively described the first noumenon
Along the sliding of its axis direction.
Preferably, electric power detection cross arm shielding cover, the inner wall of the outer semicircular cylinder are equipped with coaxial
The second sliding slot of the arc of line, the outer wall of the interior semicircular cylinder are equipped with the second sliding block, and second slider containment is in described the
It in two sliding slots, and can slide wherein, realize that the interior semicircular cylinder can be relative to the annular rotation of the outer semicircular cylinder.
Preferably, electric power detection cross arm shielding cover, first arc-shaped through-hole and second arc are logical
First sliding groove described in Kong Junyu does not contact, the third arc-shaped through-hole and the 4th arc-shaped through-hole with the second sliding slot not
Contact.
Preferably, electric power detection cross arm shielding cover, the alarm device are alarm bell.
Preferably, the described electric power detection cross arm shielding cover, the first noumenon, the outer semicircular cylinder and described interior
The diameter ratio of semicircular cylinder is 1.2:1.1:1.
The present invention is include at least the following beneficial effects:
1, the present invention is arranged the second ontology by sliding in the first noumenon, and the second ontology can stretch in the first noumenon,
It realizes the length for adjusting mask according to the length of cross-arm, enables single mask to be suitable for the cross-arm of size mostly, together
When be provided with detection device, the current value size born at any time to cross-arm detects, and logical when exceeding human-body safety value
Alarm device and alarm are crossed, the safety of mask is improved；
2, the second ontology that the present invention designs includes two relatively turnable interior semicircular cylinders and outer semicircular cylinder, outer semicircular cylinder
Can be along the inner wall for being connected to the first noumenon that the first noumenon axis slides, interior semicircular cylinder can be rotated relative to outer semicircular cylinder annular,
By the masking enclosure on cross-arm to be covered, according to cross-arm length to be covered, such as the length of cross-arm no more than the first noumenon
Along the length of its axis direction, outer semicircular cylinder is located at close to the limit first position of the first noumenon closed end, interior semicircular cylinder and outer
Semicircular cylinder is parallel；If cross-arm length be greater than the first noumenon the length along its lower axis direction, by outer semicircular cylinder away from
The length that the closed end of the first noumenon slides into mask is not less than the position of the length of cross-arm；
3, it after the length for regulating mask, by conducting wire along open slot, is held in metallic channel respectively, and striped blocks are sliding
It moves to the opening of metallic channel, forms multiple enclosure spaces for accommodating conducting wire, avoid leading during electric power detects construction operation
The sliding of line falls off, and the relatively outer semicircular cylinder of interior semicircular cylinder is turned to extreme position, interior semicircular cylinder and outer semicircular cylinder pass through magnetic
Iron is connected and fixed, and the space for accommodating cross-arm is formed with the first noumenon, by two fan-shaped plate bodys pass through respectively the first arc-shaped through-hole and
Third arc-shaped through-hole enters inside mask with the second arc-shaped through-hole and the 4th arc-shaped through-hole, and two fanning strip bodies form centre and stay
Round-meshed ring structure forms the enclosure space for accommodating the cross-arm with the first noumenon and the second ontology；
4, adjustable length of the present invention is suitable for various sizes of cross-arm, improves economical and practical value of the invention, together
When devise the insulation barriers of two fan-shaped plate bodys, two fan-shaped plate bodys can be the equal semicircle of diameter, be also possible to straight
The unequal sector of diameter, two fan-shaped plate bodys are inserted into inside masks, and intermediate there are circular holes, so that insulation barrier is just fastened on
On the electric pole of cross-arm tail portion, the present invention can be completely obscured by cross-arm, and conducting wire is individually fixed in metallic channel, avoids cross-arm
With shaking of the conducting wire in operation process or fall off；
5, present invention design detection device, acquires the current value on cross-arm by electric-field sensor in real time, and by current value
Controller is passed to, current value is compared by controller with the threshold value being pre-designed, if current value is greater than threshold value, controller
Start alarm device, reminds the current anomaly on staff's cross-arm in time, and the current anomaly on cross-arm is usually by route event
Caused by barrier, in this way it is possible to prevente effectively from operating personnel construct when not knowing line fault caused by casualties；
6, one layer of abrasion-proof insulating coating is coated on the surface of the first noumenon, the second ontology and fan-shaped plate body, improves this
The insulation performance of the heat resistant and wear resistant of invention provides strong guarantee for the safety of staff.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Structural schematic diagram when Fig. 2 is the second ontology extraction described in electric power of the present invention detection cross arm shielding cover；
Fig. 3 turns to knot when extreme position for the inner cylinder of electric power detection cross arm shielding cover of the present invention
Structure schematic diagram；
Fig. 4 is the structural schematic diagram of insulation barrier of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and embodiments, to enable those skilled in the art's reference
Specification word can be implemented accordingly.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
It should be noted that experimental method described in following embodiments is unless otherwise specified conventional method, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained.
In the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on the figure or position
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, is not that device or the element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
As shown in figures 1-4, the present invention provides a kind of electric power detection cross arm shielding cover, is used to cover livewire work
Cross-arm comprising:
Cross-arm cover comprising the first noumenon 1 of the hollow cylinder structure of open at one end and with the first noumenon 1 slide
Second ontology connecting and along 1 axis direction of the first noumenon extension, second ontology include disposed in parallel coaxial
The interior semicircular cylinder 22 and outer semicircular cylinder 21 of line, the outer semicircular cylinder 21 be located at the interior semicircular cylinder 22 and the first noumenon 1 it
Between, the outer semicircular cylinder 21 can be slided along the axis direction of the first noumenon 1, and the interior semicircular cylinder 22 can relatively described outer half
21 annular rotation of cylinder, the first side of the interior semicircular cylinder 22 and the second side of the outer semicircular cylinder 21 are equipped with and can mutually inhale
The magnet drawn, when so that the relatively described outer semicircular cylinder 21 of the interior semicircular cylinder 22 turning to extreme position, the interior semicircular cylinder 22
The hollow class cylinder of cross-arm described in accommodating portion is formed with the outer semicircular cylinder 21；Edge there are two being set on the first noumenon 1
The first noumenon 1 is separated into two mutually by open slot 11 that its axis direction extends and opposite, two open slots 11
It is offered respectively on the first part of discontiguous half-cylinder structure and second part, the first part and the second part
Multiple the first arc-shaped through-holes 121 and the second arc-shaped through-hole 131 with 1 coaxial line of the first noumenon, first arc
The plane opposite and being formed with second arc-shaped through-hole 131 of through-hole 121 is parallel with the bottom surface of the first noumenon 1, institute
The first arc-shaped through-hole 121 and second arc-shaped through-hole 131 is stated to arrange along the axis direction of the first noumenon 1, it is described interior
It is offered respectively on semicircular cylinder 22 and the outer semicircular cylinder 21 and first arc-shaped through-hole 121 and second arc-shaped through-hole
131 corresponding third arc-shaped through-holes 211 and the 4th arc-shaped through-hole 221；It is successively spread on the inner wall of the bottom surface of the first noumenon 1
Equipped with first layer soft rubber cushion, compressed spring and second layer soft rubber cushion, the middle part of the second layer soft rubber cushion is equipped with groove；
Conducting wire fixed mechanism comprising multiple be arranged in the first part and the second part accommodates conducting wire
Arc metallic channel 31, multiple metallic channels 31 are located at second ontology close to one end of 1 closed end of the first noumenon
Between the closed end of the first noumenon 1, multiple metallic channels 31 are connected to the open slot 11 and along described first
The axis direction of ontology 1 is arranged, and sliding is equipped with multiple striped blocks 32, the striped blocks 32 on the inner wall of the open slot 11
Slidably to the overthe openings of a metallic channel 31 and formed accommodate conducting wire enclosure space；The inner wall of the metallic channel 31
It is equipped with arc felt pad, the felt pad includes inner polytetrafluoroethyllayer layer, metal net layer, vacuum bed course and poly- four from inside to outside
Vinyl fluoride outer layer；
Insulation barrier comprising the fan-shaped plate body 41 of two be generally aligned in the same plane, two fan-shaped plate bodys 41 are opposite
Semicircular indentations 42 are respectively equipped on two sides, 42 inner wall of semicircular indentations is equipped with annular sponge body, described in two
Fan-shaped plate body 41 is connect with the first linking arm 43 of pincerlike handle and the second linking arm 44 respectively, so that the pincer handle is opened
The relative movement for being able to drive two fan-shaped plate bodys 41 is opened/merges, a fan-shaped plate body 41 can pass through described first
Arc-shaped through-hole 121 and the third arc-shaped through-hole 211 enter the inside of the first noumenon 1 and second ontology, another
The sector plate body 41 can enter the first noumenon 1 by second arc-shaped through-hole 131 and the 4th arc-shaped through-hole 221
With the inside of second ontology, two fan-shaped plate bodys 41 form centre and stay round-meshed ring structure, with described first
Ontology 1 and second ontology form the enclosure space for accommodating the cross-arm；
Detection device comprising the alarm device between the first layer soft rubber cushion and the spring is set, is arranged in institute
The controller stating the electric-field sensor of inside grooves and being electrically connected with the alarm device and electric-field sensor；The controller is set
It is set to field strength on the cross-arm for receiving the electric-field sensor detection and changes and be converted into current digital value, by current digital value
It is compared with pre-set threshold value, if the current digital value is greater than threshold value, starts the alarm device；If being not more than,
Do not start.
In the above-mentioned technical solutions, adjustable length of the present invention is suitable for various sizes of cross-arm, improves of the invention
Economical and practical value, while the insulation barrier of two fan-shaped plate bodys 41 is devised, it is equal that two fan-shaped plate bodys 41 can be diameter
Semicircle, be also possible to the unequal sector of diameter, two fan-shaped plate bodys 41 are inserted into inside masks, intermediate there are circular hole,
So that insulation barrier is just fastened on the electric pole of cross-arm tail portion, the present invention can be completely obscured by cross-arm, and conducting wire is fixed
In metallic channel 31, avoids the shaking in operation process of cross-arm and conducting wire or fall off.
In another technical solution, the electric power detection cross arm shielding cover, the first noumenon 1, described second
It is coated with one layer of abrasion-proof insulating coating on the surface of ontology and the fan-shaped plate body 41, the coatings include following weight
The raw material of number: 45 parts of polyvinyl acetate resin, 0.1 part of silane coupling agent, 9 parts of kaolin, 1 part of feldspar in powder, peppermint root powder
0.3 part, 15 parts of nano inorganic filler, 40 parts of dimethylbenzene, 2 parts of polyolefin-wax, 0.2 part and 0.2 part of defoaming agent of loose ester；
Wherein, the nano inorganic filler is wollastonite in powder, the talcum for being 1:1.2:1.4:1:1.5:1.6 by weight ratio
The mixture that powder, bentonite, land plaster, attapulgite and aluminium oxide are formed.Improve the insulation of heat resistant and wear resistant of the invention
Performance provides strong guarantee for the safety of staff.
In another technical solution, the electric power, which detects, uses cross arm shielding cover, edge on the inner wall of the first noumenon 1
Its axis direction is equipped with first sliding groove 14, and the outer semicircular cylinder 21 is set on the outer wall of the closed end of the first noumenon 1
There is the first sliding block, first slider containment is in the first sliding groove 14 and can slide wherein, realizes the outer semicircular cylinder
21 can the relatively described the first noumenon 1 along its axis direction sliding.
In another technical solution, the electric power, which detects, uses cross arm shielding cover, on the inner wall of the outer semicircular cylinder 21
The second sliding slot of arc equipped with coaxial line, the outer wall of the interior semicircular cylinder 22 are equipped with the second sliding block, and described second is sliding
Block is contained in the second sliding slot, and can be slided wherein, realizes that the interior semicircular cylinder 22 can the relatively described outer semicircular cylinder 21
Annular rotation.
In another technical solution, electric power detection cross arm shielding cover, first arc-shaped through-hole 121 and the institute
It states the second arc-shaped through-hole 131 not contact with the first sliding groove 14, the third arc-shaped through-hole 211 and the 4th arc are logical
Hole 221 is not contacted with the second sliding slot.
In another technical solution, the electric power detection cross arm shielding cover, the alarm device is alarm bell.
In another technical solution, the electric power detection cross arm shielding cover, the first noumenon 1, described outer half
The diameter ratio of cylinder 21 and the interior semicircular cylinder 22 is 1.2:1.1:1.
Workflow of the invention: as shown in Figure 1 by the masking enclosure on cross-arm to be covered, according to cross-arm to be covered
Length, if the length of cross-arm is not more than the length along its axis direction of the first noumenon 1, outer semicircular cylinder 21 is located at close to first
The limit first position of 1 closed end of body, interior semicircular cylinder 22 are parallel with outer semicircular cylinder 21；As the length of cross-arm is greater than the first noumenon 1
The length along its lower axis direction, outer semicircular cylinder 21 is slid into the length of mask away from the closed end of the first noumenon 1
Degree is not less than the position of the length of cross-arm, as shown in Figure 2；
It after the length for regulating mask, by conducting wire along open slot 11, is held in metallic channel 31 respectively, and by striped blocks
32 slide into the opening of metallic channel 31, form multiple enclosure spaces for accommodating conducting wire, avoid detecting construction operation mistake in electric power
The sliding of conducting wire or fall off in journey, the relatively outer semicircular cylinder 21 of interior semicircular cylinder 22 turned into extreme position, interior semicircular cylinder 22 with it is outer
Semicircular cylinder 21 is connected and fixed by magnet, and the space for accommodating cross-arm is formed with the first noumenon 1, and two fan-shaped plate bodys 41 are led to respectively
It crosses the first arc-shaped through-hole 121 and third arc-shaped through-hole 211 and the second arc-shaped through-hole 131 and the 4th arc-shaped through-hole 221 enters masking
Cover is internal, and two fan-shaped plate bodys 41 form centre and stay round-meshed ring structure, is formed and is accommodated with the first noumenon 1 and the second ontology
The enclosure space of the cross-arm, as shown in Figure 3；
The present invention designs detection device, acquires the current value on cross-arm in real time by electric-field sensor, and current value is passed
Controller is passed, current value is compared by controller with the threshold value being pre-designed, if current value is greater than threshold value, controller is opened
Dynamic alarm device reminds the current anomaly on staff's cross-arm in time, and the current anomaly on cross-arm is usually by line fault
Caused by, in this way it is possible to prevente effectively from operating personnel construct when not knowing line fault caused by casualties.
Number of devices and treatment scale described herein are for simplifying explanation of the invention.To application of the invention,
Modifications and variations will be readily apparent to persons skilled in the art.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (7)
1. a kind of electric power detection cross arm shielding cover, is used to cover the cross-arm of livewire work, characterized in that it comprises:
Cross-arm cover comprising the first noumenon of the hollow cylinder structure of open at one end and be slidably connected with the first noumenon
And the second ontology extended along the first noumenon axis direction, second ontology include interior the half of coaxial line disposed in parallel
Cylinder and outer semicircular cylinder, for the outer semicircular cylinder between the interior semicircular cylinder and the first noumenon, the outer semicircular cylinder can
Axis direction along the first noumenon slides, and the interior semicircular cylinder can be rotated relative to the outer semicircular cylinder annular, and described interior half
The first side of cylinder and the second side of the outer semicircular cylinder are equipped with the magnet that can be attracted each other, so that the interior semicircular cylinder phase
When turning to extreme position to the outer semicircular cylinder, the interior semicircular cylinder and the outer semi-cylindrical shaped are at cross-arm described in accommodating portion
Hollow class cylinder；Open slot extend there are two being set on the first noumenon along its axis direction and opposite, two institutes
First part and second part that the first noumenon is separated into two non-touching half-cylinder structures by open slot are stated, it is described
Multiple the first arc-shaped through-holes with the first noumenon coaxial line and the are offered in first part and the second part respectively
Two arc-shaped through-holes, first arc-shaped through-hole is opposite with second arc-shaped through-hole and the plane formed and described the
The bottom surface of one ontology is parallel, and first arc-shaped through-hole and second arc-shaped through-hole are along the axis direction of the first noumenon
It arranges, is offered respectively on the interior semicircular cylinder and the outer semicircular cylinder logical with first arc-shaped through-hole and second arc
The corresponding third arc-shaped through-hole in hole and the 4th arc-shaped through-hole；First is successively equipped on the inner wall of the bottom surface of the first noumenon
The middle part of layer soft rubber cushion, compressed spring and second layer soft rubber cushion, the second layer soft rubber cushion is equipped with groove；
Conducting wire fixed mechanism comprising multiple arcs for accommodating conducting wire being arranged in the first part and the second part
Shape metallic channel, multiple metallic channels are located at second ontology close to one end of the first noumenon closed end and described first
Between the closed end of ontology, multiple metallic channels are connected to the open slot and arrange along the axis direction of the first noumenon
Cloth, sliding is equipped with multiple striped blocks on the inner wall of the open slot, and the striped blocks are slidably to a metallic channel
Overthe openings and formed accommodate conducting wire enclosure space；The inner wall of the metallic channel is equipped with arc felt pad, the insulation
Pad includes inner polytetrafluoroethyllayer layer, metal net layer, vacuum bed course and polytetrafluorethylene outer layer from inside to outside；
Insulation barrier comprising the fan-shaped plate body of two be generally aligned in the same plane, two opposite sides of two fan-shaped plate bodys
On be respectively equipped with semicircular indentations, the semicircular indentations inner wall is equipped with annular sponge body, two fan-shaped plate bodys difference
It is connect with the first linking arm of pincerlike handle and the second linking arm, so that unlatching/merging of the pincer handle is able to drive two
The relative movement of a fan-shaped plate body, a fan-shaped plate body can pass through first arc-shaped through-hole and the third arc
Through-hole enters the inside of the first noumenon and second ontology, another described fan-shaped plate body can pass through second arc
Through-hole and the 4th arc-shaped through-hole enter the inside of the first noumenon and second ontology, two fanning strip bodily forms
Round-meshed ring structure is stayed at centre, forms the closing sky for accommodating the cross-arm with the first noumenon and second ontology
Between；
Detection device comprising the alarm device between the first layer soft rubber cushion and the spring is set, is arranged described recessed
Electric-field sensor inside slot and the controller being electrically connected with the alarm device and electric-field sensor；The controller is set as
It receives field strength on the cross-arm of the electric-field sensor detection and changes and be converted into current digital value, by current digital value and in advance
The threshold value being first arranged is compared, if the current digital value is greater than threshold value, starts the alarm device；If being not more than, do not open
It is dynamic.
2. electric power detection cross arm shielding cover as described in claim 1, which is characterized in that the first noumenon, described second
It is coated with one layer of abrasion-proof insulating coating on the surface of ontology and the fan-shaped plate body, the coatings include following parts by weight
Several raw materials: 45 parts of polyvinyl acetate resin, 0.1 part of silane coupling agent, 9 parts of kaolin, 1 part of feldspar in powder, peppermint root powder 0.3
Part, 15 parts of nano inorganic filler, 40 parts of dimethylbenzene, 2 parts of polyolefin-wax, 0.2 part and 0.2 part of defoaming agent of loose ester；
Wherein, the nano inorganic filler be the wollastonite in powder of 1:1.2:1.4:1:1.5:1.6 by weight ratio, it is talcum powder, swollen
Moisten the mixture that soil, land plaster, attapulgite and aluminium oxide are formed.
3. electric power detection cross arm shielding cover as claimed in claim 2, which is characterized in that edge on the inner wall of the first noumenon
Its axis direction is equipped with first sliding groove, and the outer wall of the closed end close to the first noumenon of the outer semicircular cylinder is equipped with first
Sliding block, first slider containment is in the first sliding groove and can slide wherein, realizes that the outer semicircular cylinder can be with respect to institute
State sliding of the first noumenon along its axis direction.
4. electric power detection cross arm shielding cover as claimed in claim 3, which is characterized in that set on the inner wall of the outer semicircular cylinder
There is the second sliding slot of the arc of coaxial line, the outer wall of the interior semicircular cylinder is equipped with the second sliding block, and second sliding block holds
Be contained in the second sliding slot, and can slide wherein, realize the interior semicircular cylinder can the annular of the relatively described outer semicircular cylinder turn
It is dynamic.
5. electric power as claimed in claim 4 detection cross arm shielding cover, which is characterized in that first arc-shaped through-hole and described
Second arc-shaped through-hole is not contacted with the first sliding groove, the third arc-shaped through-hole and the 4th arc-shaped through-hole with it is described
Second sliding slot does not contact.
6. electric power detection cross arm shielding cover as claimed in claim 5, which is characterized in that the alarm device is alarm bell.
7. electric power detection cross arm shielding cover as claimed in claim 6, which is characterized in that the first noumenon, described outer half
The diameter ratio of cylinder and the interior semicircular cylinder is 1.2:1.1:1.
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| CN201610406698.6A CN106053897B (en) | 2016-06-12 | 2016-06-12 | Cross arm shielding cover is used in electric power detection |
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| CN201610406698.6A CN106053897B (en) | 2016-06-12 | 2016-06-12 | Cross arm shielding cover is used in electric power detection |
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| CN106053897A CN106053897A (en) | 2016-10-26 |
| CN106053897B true CN106053897B (en) | 2019-01-01 |
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| CN106053897A (en) | 2016-10-26 |
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Effective date of registration: 20191225 Address after: 542899, No. 193-3, Jianshe East Road, the Guangxi Zhuang Autonomous Region, Hezhou Patentee after: HEZHOU POWER SUPPLY BUREAU OF GUANGXI POWER GRID CORPORATION Address before: 530007, the Guangxi Zhuang Autonomous Region, Nanning Science Park Road, No. 49, Jin Yu new town, B building, 3, 11, floor 1102 Patentee before: Nanning Si Fei Electronic Science and Technology Co., Ltd. |