CN108963861A - A kind of cross arm shielding cover - Google Patents
A kind of cross arm shielding cover Download PDFInfo
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- CN108963861A CN108963861A CN201810800297.8A CN201810800297A CN108963861A CN 108963861 A CN108963861 A CN 108963861A CN 201810800297 A CN201810800297 A CN 201810800297A CN 108963861 A CN108963861 A CN 108963861A
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- Prior art keywords
- body part
- shielding portion
- cross
- cross arm
- arm
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- 230000000873 masking effect Effects 0.000 claims description 72
- 238000005452 bending Methods 0.000 claims description 10
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- 238000000034 method Methods 0.000 abstract description 11
- 238000009413 insulation Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000222712 Kinetoplastida Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- Insulating Bodies (AREA)
Abstract
The present invention relates to a kind of cross arm shielding covers, it include: body part, the body part is hollow hood-like structure, for being located at cross-arm, the first end of the body part is equipped with the first opening, and for passing through for cross-arm, the body part includes roof and a pair of sidewalls for extending downwardly from the two sides of the roof, the roof is equipped with first window, for exposing the pin insulator on the cross-arm；With the first movable shielding portion is movably mounted on the body part, for cover or at least partly exposing the first window and the pin insulator exposed through the first window.Cross arm shielding cover of the invention is due to being provided with switchable operation window, so that cross arm shielding cover is in normal use process without being moved integrally or being dismantled, the corresponding site of cross-arm can be exposed to be operated, very easy to use, security protection performance is also higher.
Description
Technical field
The present invention relates to technical field of safety protection when electric system operation, and in particular to a kind of cross arm shielding cover.
Background technique
In the various operations of electric system, hot line job is often that extremely widespread behavior is by taking 10kV distribution as an example
The reliability for ensureing power distribution network power supply, can only carry out livewire work in many instances, this makes livewire work technology become electricity
Highly important technology contents in Force system.Since distribution network line is compact-sized, operating environment is complicated, in order to ensure that electrification is made
The safety of industry personnel, need in operation process in job area electrical body and grounding body carry out insulation masking.
Cross-arm and its pin insulator characteristics of compact layout on straight-line wire pole, generally using insulation in conventional band electro ultrafiltration
Blanket is covered, and masking process is time-consuming and laborious.And when in operation process, operating personnel usually needs that cross-arm is covered or insulated
Son masking is removed, working space of transferring to other use out, this brings hidden danger to the integrality of insulation masking.
Summary of the invention
Based on above-mentioned status, the main purpose of the present invention is to provide a kind of cross arm shielding covers, can be conveniently and efficiently
Realize that the insulation to cross-arm is covered, while again can be without neatly providing operation in the case where removing mask for operating personnel
Space advantageously ensures that the integrality of insulation masking.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of cross arm shielding cover, comprising:
Body part, the body part is hollow hood-like structure, for being located at cross-arm, the first end of the body part
Equipped with first opening, for being passed through for cross-arm, the body part include roof and extended downwardly from the two sides of the roof one
To side wall, the roof is equipped with first window, for exposing the pin insulator on the cross-arm；With
First movable shielding portion, is movably mounted on the body part, for cover or at least partly expose described in
First window and the pin insulator exposed through the first window.
Preferably, the bottom of the body part is equipped with the second opening, and second opening is communicated with first opening.
Preferably, further include the second movable shielding portion, be movably mounted on the body part, be used for masking or at least portion
Divide ground exposure second opening.
Preferably, the described second movable shielding portion is slidably mounted on the body part；
Alternatively, the described second movable shielding portion may be pivotally mounted on the body part.
Preferably, be configured to can sliding axially along the body part for the described second movable shielding portion.
Preferably, the bottom of the body part is equipped with bottom sliding slot, and the side edge sliding of the described second movable shielding portion is matched
It is installed in the bottom sliding slot with closing.
Preferably, the described second movable shielding portion includes plate masking main body and covers body end positioned at the plate
Bending part, wherein side bending of the bending part towards the body part.
Preferably, the described first movable shielding portion is slidably mounted on the body part；
Alternatively, the described first movable shielding portion may be pivotally mounted on the body part.
Preferably, be configured to can sliding axially along the body part for the described first movable shielding portion.
Preferably, the two sides of the body part are equipped with side sliding slot, and the lower edge sliding of the described first movable shielding portion is matched
It is installed in the side sliding slot with closing.
Preferably, the side wall of the body part is equipped with the first guide and limit structure, the first guide and limit structure
Cross-sectional shape is L shape, and including the side portion structure and bottom structure being connected with each other, the bottom structure is connected with the side wall,
So that the side sliding slot is collectively formed in the first guide and limit structure and the side wall.
Preferably, the described first movable shielding portion is hollow hood-like structure, and there is top masking structure, two sides to hide
Shield structure and end masking structure positioned at first end, the bottom of the described first movable shielding portion and the second end are to open wide knot
Structure；Wherein, in the assembled condition, the first end of the first end and the body part is towards same direction, the second end
The second end of portion and the body part is towards same direction.
Preferably, the side masking structure is open equipped with third, and the third opening is spacious with the second end
Opening structure communicates.
Preferably, the described first movable shielding portion also has a horizontal masking structure, and the horizontal masking structure is from the end
The direction that portion's masking structure faces away from the second end extends.
Preferably, the body part further includes the end wall positioned at second end, wherein the top edge of the end wall is higher than described
The second end of roof, the described first movable shielding portion can be docked with the end wall.
Preferably, on the medial surface of the end wall, at least opposite with the described first movable the second end of shielding portion
Region be provided with overlapping masking structure, the first end of the overlapping masking structure towards the body part extends, in masking shape
Under state, the second end of the described first movable shielding portion is contained in the inside of the overlapping masking structure.
Cross arm shielding cover of the invention is due to being provided with switchable operation window, so that cross arm shielding cover is in normal use
In the process without being moved integrally or dismantled, the corresponding site of cross-arm can be exposed to be operated, it is very easy to use,
Security protection performance is also higher.Particularly, the first, second movable shielding portion uses sliding structure, can effectively reduce unlatching
In the process to the occupancy in space, while the opening degree for adjusting operation window is also helped, further increases security protection performance
With the convenience used.
Detailed description of the invention
Hereinafter reference will be made to the drawings is described the preferred embodiment of cross arm shielding cover according to the present invention.In figure:
Fig. 1 is a kind of main view signal of cross arm shielding cover of preferred embodiment according to the present invention in the assembled condition
Figure；
Fig. 2 is a kind of schematic front view of preferred embodiment of the body part in Fig. 1；
Fig. 2A is the A-A cross-sectional view in Fig. 2；
Fig. 3 is the left view schematic diagram of the body part of Fig. 2；
Fig. 4 is the schematic top plan view of the body part of Fig. 2；
Fig. 5 is a kind of schematic front view of preferred embodiment of the first movable shielding portion in Fig. 1；
The left view schematic diagram for the first movable shielding portion that Fig. 6 is Fig. 5；
The schematic top plan view for the first movable shielding portion that Fig. 7 is Fig. 5；
Fig. 8 is a kind of schematic front view of preferred embodiment of the second movable shielding portion in Fig. 1；
The schematic top plan view for the second movable shielding portion that Fig. 9 is Fig. 8.
Specific embodiment
Cross-arm (especially with the cross-arm of pin insulator) is covered when for livewire work in the prior art
Actual demand, the present invention provides a kind of cross arm shielding covers, and the structure of preferred embodiment is as shown in figs 1-9.
Referring first to Fig. 1, the cross arm shielding cover includes body part 1 and the first movable shielding portion 2.
Wherein, the body part 1 is for being located at cross-arm (not shown), preferred structure such as Fig. 2-4 of the body part 1
Shown, the first end (in Fig. 2, left end is first end, and right end is second end) of the body part 1 is equipped with the first opening and (does not show
Out), for passing through for cross-arm, the body part 1 includes roof 11 and the opposite side extended downwardly from the two sides of the roof 11
Wall 12.Specifically, which can be square shade, rectangular cover, cylindrical cover or elliptical cylinder-shape cover etc., accordingly,
The cross-sectional shape of the body part 1 is for example square, rectangle, circle or ellipse etc..Certainly, the body part 1
Cross-sectional shape can also be other shapes, such as part be circular arc shape or other irregular shapes.For example, roof 11
It can be planar structure, be also possible to curved surface (such as arc surface) structure, equally, side wall 12 is also possible to planar structure or curved surface
Structure, as long as cross-arm can be covered.Wherein, as shown in figure 4, the roof 11 is equipped with first window 110, for exposing
The pin insulator on cross-arm is stated, such as can be used for operating pin insulator.That is, when the body part 1 is provide with
When on corresponding cross-arm, pin insulator can highlightedly be exposed to the outer of the body part 1 through the first window 110
Side, so that operating personnel can operate pin insulator, such as overhauled, dismounted, or to relevant fitting and
Conducting wire is overhauled, is dismounted.
Described first movable shielding portion 2 is movably mounted on the body part 1, for covering or at least partly exposing
The first window 110 and the pin insulator exposed through the first window 110.
In cross arm shielding cover of the invention, the bottom of body part 1 can be it is closed, can also be open.When body part 1
Bottom closing when, body part 1 can from the outer end of cross-arm cover be attached on cross-arm, in this case, need to make body part 1 most
Small inner height size is greater than the overall height dimension of corresponding cross-arm and pin insulator thereon, in order to be set with.When this
When the bottom-open in body portion 1, such as when bottom is provided with the second opening 17 (as illustrated in figs. 2 a and 3), then body part 1 can from
Upper and cover and be attached on corresponding cross-arm lowerly, when suit, only needs that corresponding pin insulator is made to be directed at the first window 110
, in this case, the minimum inner height size of body part 1 only is slightly greater than the height dimension of cross-arm, but should protect
The width dimensions of the second opening 17 of card are greater than the width dimensions of cross-arm.
In cross arm shielding cover of the invention, the second end of body part 1 can be closed, be also possible to open.When this
Body portion 1 second end closing when, can the outer end to cross-arm effectively covered, while can also be when set be attached on cross-arm from
The effect positioned to end.It, can be being realized by way of extending the length of body part 1 when the second end of body part 1 is opened wide
Effective masking to the outer end of cross-arm, or the removable end curtain-shaped cover member of setting are realized to the effective of the outer end of cross-arm
Masking.
In cross arm shielding cover of the invention, the first movable shielding portion 2 can only be arranged one, to be realized by oneself to the
The masking of one window 110 and corresponding pin insulator also can be set two, three or multiple, to realize jointly pair
The masking of first window 110 and corresponding pin insulator.
Due to being provided with first window 110 on the body part 1 of cross arm shielding cover of the invention, and first window 110 can
It is opened or closed by the first movable shielding portion 2, so that cross arm shielding cover of the invention can easily and flexibly be operation
Personnel provide working space, can be carried out work without needing integrally to remove insulated target just as the prior art using insulated target
On the one hand industry can guarantee the integrality of insulation masking, the amount of labour for reducing operating personnel is on the other hand also helped, to mention
High operating efficiency.Further, since body part 1 be hood-like structure, also enable cross arm shielding cover of the invention conveniently and efficiently
It is installed, to realize that the insulation to cross-arm 3 is covered.
Cross arm shielding cover of the invention is especially suitable for high pressure (such as 35kV), middle pressure (10kV), low pressure (380/220V)
Situation when distribution line livewire work effectively can carry out insulation masking to cross-arm, ensure the personal safety of operating personnel.
Although illustrating only a first window 110, in practical applications, first window 110 in the embodiment of Fig. 1
There is no limit can be one, be also possible to multiple quantity.
In order to realize masking and exposure of the first movable shielding portion 2 to first window 110, multiple mounting modes can be used
First movable shielding portion 2 is movably mounted to body part 1.
Preferably, the described first movable shielding portion 2 can be slidably mounted on the body part 1.When using sliding side
When formula is installed, the glide direction of the first movable shielding portion 2 can be along body part 1 axial direction (i.e. along the length direction of cross-arm,
That is the left and right directions in Fig. 1), be also possible to perpendicular to body part 1 axial direction (such as along cross-arm width direction slide, namely
Left and right directions in Fig. 3).It is readily appreciated that, the first movable shielding portion 2 is installed in a sliding manner, the first activity masking can be made
Portion 2 is bonded with the holding of body part 1 always, to reduce space hold, especially reduces by the first movable shielding portion 2 in motion process
Needed for space, meanwhile, also have the advantages that easy to operate, can conveniently realize to the masking of the part of first window 110
Or exposure.
Alternatively, the described first movable shielding portion 2 can also be installed on the body part 1 using pivotable mode.
For example, the first movable shielding portion 2 can be connected to body part 1 by hinge means, to be covered in the form of flip lid or exposure the
One window 110.Specifically, the pivot axis of hinge means can be parallel to the axis of body part 1, can also be perpendicular to body part
1 axis.
In particularly preferred embodiment of the invention, as shown in Figure 1, be configured to can for the first movable shielding portion 2
Axial direction (left and right directions i.e. in figure) along the body part 1 is slided, and is also to slide in the horizontal direction in actual operation
It is dynamic.Thus it is also particularly capable of guaranteeing that the sliding distance of the first movable shielding portion 2 is sufficiently large, to be adapted to first window
110 within the scope of whole length it is completely obscured, partially cover or be completely exposed.In the present invention, the length of first window 110
Refer to the axially measured size along body part 1.
Preferably, as in Figure 2-4, the two sides of the body part 1 are equipped with side sliding slot 13, such as are arranged in side wall 12
On；As shown in Figure 1, in the assembled condition, the lower edge of the described first movable shielding portion 2 is installed on the side with being slidably matched
In sliding slot 13.Then, sliding slot 13 one side in side can provide limit for the first movable shielding portion 2, such as prevent its left and right from shaking
Dynamic (shaking in the width direction of cross-arm) on the other hand can provide guiding for the first movable shielding portion 2, can put down
It quietly slides, facilitates operation.
Preferably, as shown in Figure 2 A, the side wall 12 of the body part 1 is equipped with the first guide and limit structure 14, and described the
The cross-sectional shape of one guide and limit structure 14 is L shape, described including the side portion structure 141 and bottom structure 142 being connected with each other
Bottom structure 142 is connected with the side wall 12, so that institute is collectively formed in the first guide and limit structure 14 and the side wall 12
State side sliding slot 13.
As shown in Figure 2 A, the two side walls 12 of body part 1 are preferably vertical with roof 11, at this point, being located at two sides of two sides
Portion's sliding slot 13 is then mutually equal in depth direction (up and down direction in Fig. 2A) in length direction (i.e. the axial direction of body part 1)
Its lower edge it is possible thereby to simplify the installation process of the first movable shielding portion 2, such as can be directly loadable by row from top to down
In side sliding slot 13, the installation settled at one go is realized.Alternatively, two side sliding slots 13 in the depth direction can not be mutually equal
Row, but shape has a certain degree, at this point, the first movable shielding portion 2 is then needed from one end of body part 1 slidably during installation
It is packed into, although assembling process is slightly time-consuming, can play prevents the first movable shielding portion 2 from shaking even pine in the up-down direction
De- effect.
Preferably, as illustrated in figs. 5-7, the described first movable shielding portion 2 is hollow hood-like structure, has top masking knot
21, two side masking structures 22 of structure and be located at first end (in Fig. 5 and Fig. 7, right side is first end, and left side is second end
Portion) end masking structure 23, first movable 2 bottom of shielding portion and the second end are open design, for exhausted for pin type
Edge passes through；Wherein, two side masking structures 22 are connected with top masking structure 21 respectively, end masking structure 23 then with top
Masking structure 21, two side masking structures 22 in portion's are connected, and hood-like structure is consequently formed.In specific works, that is, filling
With under state, the first end of the first end and the body part 1 is towards same direction (left in Fig. 1), and described second
The second end of end and the body part 1 is towards same direction (right in Fig. 1).Obviously, hood-like structure is easily adapted to needle-shaped
The height of insulator is realized to the safety masking of insulator and comprehensive masking.
Preferably, as seen in figs. 5-6, the side masking structure 22 is equipped with third opening 24, the third opening 24
It is communicated with the open design of the second end namely third opening is 24 since the left end of the side wall 22, and towards right end
Direction extend certain size.The shape of third opening 24 is unlimited, can be rectangle shown in figure, is also possible to other shapes
Shape.Third opening 24 for passing through for the conducting wire on pin insulator, when the first movable shielding portion 2 on body part 1 to
When left sliding (as shown in Figure 1), the conducting wire on pin insulator can be movable in third opening 24, will not influence the first activity and hides
Cover the movement in portion 2.In addition, third opening 24 can also be used to cooperate with corresponding conducting wire mask, such as conducting wire masking can be accommodated
A part of cover guarantees the integrality of insulation masking so that insulation screening effect be enable continuously to cover cross-arm and conducting wire.
Preferably, as shown in figure 5 and figure 7, the described first movable shielding portion 2 also has horizontal masking structure 25, the water
The direction (being right in figure) that flat masking structure 25 faces away from the second end from the end masking structure 3 extends.Water
The main function of flat masking structure 25 is, can (referring to Fig. 1) Chong Die with the formation of the roof 11 of body part 1, such as straddle
On body part 1, thus under shielding status, can at the position close to the right side edge (referring to fig. 4) of first window 110 with
The roof 11 forms overlapping masking, the reliability of reinforced insulation masking.
Preferably, the second end of the body part 1 is closed, that is, the body part 1 further includes being located at second end
End wall 15, as in Figure 2-4, wherein the top edge 151 of the end wall 15 is higher than the roof 11, so that first activity
The second end of shielding portion 2 can be docked with the end wall 15, as shown in Figure 1.That is, by adding the top edge of end wall 15
Height allows to the height (when being sleeved on cross-arm) higher than corresponding pin insulator, and then, end wall 15 can be with the
The second end docking of one movable shielding portion 2, to realize the masking to pin insulator jointly, screening effect is more preferable.
Preferably, as in Figure 2-4, the medial surface of the end wall 15 (namely towards body part 1 first end that
Side) on, the region opposite with the described first movable the second end of shielding portion 2 is at least provided with overlapping masking structure 16,
The first end of the overlapping masking structure 16 towards the body part 1 extends, under shielding status, the described first movable shielding portion
2 the second end is contained in the inside of the overlapping masking structure 16.
Preferably, from top, two sides, totally three directions surround the described first movable shielding portion 2 to overlapping masking structure 16, with
Form complete overlapping masking.Preferably, the two side portions for being overlapped masking structure 16 can be flat with the first guide and limit structure 14
Slip enables the first movable shielding portion 2 directly to slide into its second end along corresponding side sliding slot 13 and enters institute
State the inside of overlapping masking structure 16.
Preferably, as illustrated in figs. 2 a and 3, the bottom of the body part 1 is equipped with the second opening 17, second opening 17
Communicated with first opening, that is, the first end that the second opening 17 penetrates into body part 1, allow the second opening 17 for
Cross-arm integrally passes through, to be convenient to that body part 1 is sleeved on cross-arm from top to down, improves installation effectiveness.
Preferably, it as shown in Figure 1, cross arm shielding cover of the invention further includes the second movable shielding portion 3, is movably mounted
In on the body part 1, for covering or at least partly exposing second opening 17, so as to easily in cross-arm
Cross-arm is covered lower section.
In order to realize masking and exposure of the second movable shielding portion 3 to the second opening 17, multiple mounting modes can be used
Second movable shielding portion 3 is movably mounted to body part 1.
Preferably, the described second movable shielding portion 3 can be slidably mounted on the body part 1.It is hidden with the first activity
Cover portion 3 is slidably installed mode similarly, and the glide direction of the second movable shielding portion 3 can be along axial direction (the i.e. edge of body part 1
The length direction namely the left and right directions in Fig. 1 of cross-arm), it is also possible to the axial direction perpendicular to body part 1 (such as along cross-arm
Width direction sliding namely Fig. 3 in left and right directions).It is readily appreciated that, the second movable shielding portion 3 is installed in a sliding manner, it can
So that the second movable shielding portion 3 is bonded with the holding of body part 1 always, to reduce space hold, especially reduce by the second activity
Shielding portion 3 during the motion needed for space, meanwhile, also have the advantages that easy to operate, can conveniently realize to second
The part masking or exposure of opening 17.
Alternatively, the described second movable shielding portion 3 can also be installed on the body part 1 using pivotable mode.
For example, the second movable shielding portion 2 can be connected to body part 1 by hinge means, to be covered in the form of flip lid or exposure the
Two openings 17.Specifically, the pivot axis of hinge means can be parallel to the axis of body part 1, can also be perpendicular to body part 1
Axis.
In particularly preferred embodiment of the invention, as shown in Figure 1, be configured to can for the second movable shielding portion 3
Along sliding axially for the body part 1, that is, its glide direction is consistent with the first movable glide direction of shielding portion 2, it is edge
The length direction of cross-arm slides.Specifically, the installation of the second movable shielding portion 3 can be after 1 set of body part be attached on cross-arm
It carries out, can be slideably mounted on body part 1 from the second end (outer end of corresponding cross-arm) of body part 1, in this way, installation process
It is not limited by operating space, is readily achieved installation.
Preferably, for the ease of realizing sliding of the second movable shielding portion 3 relative to body part 1, such as Fig. 2A and Fig. 3 institute
Showing, the bottom of the body part 1 is equipped with bottom sliding slot 18, such as a pair of of bottom sliding slot 18 positioned at the left and right sides, and described second
The side edge of movable shielding portion 3 is installed in the bottom sliding slot 18 with being slidably matched.It is readily appreciated that, bottom sliding slot 18 can be
Second movable shielding portion 3 provides limit, prevents it from shaking on upper and lower, left and right directions, simultaneously, moreover it is possible to hide for the second activity
It covers portion 3 and good guiding is provided, can smoothly slide, to facilitate the operation of operator.Preferably, such as Fig. 2A and
Shown in Fig. 3, a pair of of bottom sliding slot 18 is the opposite rectangular channel of notch.
Preferably, as Figure 8-9, the described second movable shielding portion 3 includes that plate covers main body 31 and is located at the plate
Shape covers the bending part 32 of 31 end of main body, for example, its longitudinal section is L shape.Wherein, the bending part 32 is towards the body part
1 side bending, as shown in Figure 1.Preferably, plate masking main body 31 and the bending part 32 are slab construction, preferably
Rectangular flat plate structure, the two are preferably orthogonal.When the second movable shielding portion 3 is installed on body part 1, plate masking master
Two side edges of body 31 are installed in the bottom sliding slot 18 with being slidably matched, also, in the state of completely obscured, bending
On the one hand portion 32 can play position-limiting action against the end wall 15 of body part 1, it is often more important that, it on the other hand can also be with end
Wall 15 forms overlapping shielded area, to improve the reliability of insulation masking.
1 set of body part is filled to corresponding by the cross arm shielding cover of the preferred embodiment of the present invention first when specifically used
Cross-arm on, make the first of body part 1 to be open and straddle on cross-arm, later can be living by the first movable shielding portion 2 and second
Dynamic masking 3 is respectively installed on body part 1, and is adjusted to completely obscured state.Then, when operating personnel needs on cross-arm
When the structure (such as pin insulator) of side carries out livewire work, then the first movable shielding portion 2 can be moved, it is exhausted to expose pin type
Edge after the completion of livewire work, then can immediately restore the first movable shielding portion 2 to completely obscured state；As operation people
When member needs to carry out livewire work to the structure below cross-arm, then the second movable shielding portion 3 can be moved, so that exposure is corresponding
Position, and immediately can restore the second movable shielding portion 3 to completely obscured state after the completion of operation.It can be seen that working as
When carrying out insulation masking to cross-arm using cross arm shielding cover of the invention, it can farthest guarantee the reliability of insulation masking
And integrality, ensure the safety of operating personnel.
Preferably, it is exposed corresponding to avoid the first movable shielding portion 2 or the second movable shielding portion 3 that accidental movement occurs
Band kinetoplast, corresponding locking piece (not shown) can also be set and lock them relative to body part 1.Wherein, locking piece can
To use a variety of different structures, and a variety of different lock modes can be used, including but not limited to latch structure, buckle
Structure, hook structure etc., as long as can be relative to the locking of body part 1 by the first movable shielding portion 3 of movable shielding portion 2, second
It can.
In cross arm shielding cover of the invention, the movable shielding portion 2 of body part 1, first and the second movable shielding portion 3 be can be used
Insulating materials such as polytetrafluoroethylene (PTFE), epoxy resin etc. is by die casting one-pass molding, and three preferably uses identical material.
(such as first window 110, second is open cross arm shielding cover of the invention due to being provided with switchable operation window
17), so that cross arm shielding cover is not necessarily to be moved integrally or dismantled in normal use process, the corresponding portion of cross-arm can be exposed
Position is to be operated, and very easy to use, security protection performance is also higher.
Particularly, the first, second movable shielding portion uses sliding structure, can effectively reduce in opening process to space
Occupancy, while also help adjust operation window opening degree, further increase security protection performance and use it is convenient
Property.
Those skilled in the art will readily recognize that above-mentioned each preferred embodiment can be free under the premise of not conflicting
Ground combination, superposition.
It should be appreciated that above-mentioned embodiment is merely exemplary, and not restrictive, without departing from of the invention basic
In the case where principle, those skilled in the art can be directed to the various apparent or equivalent modification or replace that above-mentioned details is made
It changes, is all included in scope of the presently claimed invention.
Claims (16)
1. a kind of cross arm shielding cover characterized by comprising
Body part, the body part are hollow hood-like structure, and for being located at cross-arm, the first end of the body part is equipped with
First opening, for passing through for cross-arm, the body part includes roof and the opposite side that extends downwardly from the two sides of the roof
Wall, the roof is equipped with first window, for exposing the pin insulator on the cross-arm；With
First movable shielding portion, is movably mounted on the body part, for covering or at least partly exposing described first
Window and the pin insulator exposed through the first window.
2. cross arm shielding cover according to claim 1, which is characterized in that the bottom of the body part is equipped with the second opening,
Second opening is communicated with first opening.
3. cross arm shielding cover according to claim 2, which is characterized in that further include the second movable shielding portion, movably pacify
Loaded on the body part, it is open for covering or at least partly exposing described second.
4. cross arm shielding cover according to claim 3, which is characterized in that the described second movable shielding portion is slidably mounted to
On the body part；
Alternatively, the described second movable shielding portion may be pivotally mounted on the body part.
5. cross arm shielding cover according to claim 4, which is characterized in that the described second movable shielding portion is configured to can be along institute
State sliding axially for body part.
6. cross arm shielding cover according to claim 5, which is characterized in that the bottom of the body part is equipped with bottom sliding slot,
The side edge of described second movable shielding portion is installed in the bottom sliding slot with being slidably matched.
7. cross arm shielding cover according to claim 6, which is characterized in that the described second movable shielding portion includes plate masking
Main body and the bending part that body end is covered positioned at the plate, wherein the bending part is rolled over towards the side of the body part
It is curved.
8. cross arm shielding cover described in one of -7 according to claim 1, which is characterized in that the described first movable shielding portion is slidably
It is installed on the body part；
Alternatively, the described first movable shielding portion may be pivotally mounted on the body part.
9. cross arm shielding cover according to claim 8, which is characterized in that the described first movable shielding portion is configured to can be along institute
State sliding axially for body part.
10. cross arm shielding cover according to claim 9, which is characterized in that the two sides of the body part are equipped with side sliding slot,
The lower edge of described first movable shielding portion is installed in the side sliding slot with being slidably matched.
11. cross arm shielding cover according to claim 10, which is characterized in that the side wall of the body part is equipped with first and leads
To position limiting structure, the cross-sectional shape of the first guide and limit structure is L shape, including the side portion structure being connected with each other and bottom
Structure, the bottom structure are connected with the side wall, so that institute is collectively formed in the first guide and limit structure and the side wall
State side sliding slot.
12. cross arm shielding cover according to claim 10, which is characterized in that the described first movable shielding portion is hollow cover
Shape structure, have top masking structure, two side masking structures and the end masking structure positioned at first end, described first
The bottom of movable shielding portion and the second end are open design；Wherein, in the assembled condition, the first end and the ontology
The first end in portion is towards same direction, and the second end of the second end and the body part is towards same direction.
13. cross arm shielding cover according to claim 12, which is characterized in that the side masking structure is opened equipped with third
Mouthful, the third opening is communicated with the open design of the second end.
14. cross arm shielding cover according to claim 12, which is characterized in that the described first movable shielding portion also has level
Masking structure, the horizontal masking structure extend from the direction that the end masking structure faces away from the second end.
15. cross arm shielding cover according to claim 12, which is characterized in that the body part further includes being located at second end
End wall, wherein the top edge of the end wall is higher than the roof, the second end of the first movable shielding portion can with it is described
End wall docking.
16. cross arm shielding cover according to claim 15, which is characterized in that on the medial surface of the end wall, at least exist
The region opposite with the described first movable the second end of shielding portion is provided with overlapping masking structure, the overlapping masking structure court
Extend to the first end of the body part, under shielding status, the second end of the described first movable shielding portion is contained in described
It is overlapped the inside of masking structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810800297.8A CN108963861B (en) | 2018-07-20 | 2018-07-20 | Cross arm shielding cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810800297.8A CN108963861B (en) | 2018-07-20 | 2018-07-20 | Cross arm shielding cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108963861A true CN108963861A (en) | 2018-12-07 |
| CN108963861B CN108963861B (en) | 2020-05-12 |
Family
ID=64497875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810800297.8A Active CN108963861B (en) | 2018-07-20 | 2018-07-20 | Cross arm shielding cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108963861B (en) |
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| CN201408943Y (en) * | 2009-05-15 | 2010-02-17 | 上海市南电力工程有限公司 | Insulated shielding cover external member for 10kV lightning protection column isolator |
| CN201408938Y (en) * | 2009-05-15 | 2010-02-17 | 上海市南电力工程有限公司 | Insulated shielding cover of 10kV fuse |
| CN202206071U (en) * | 2011-09-19 | 2012-04-25 | 湖南省电力公司长沙电业局 | Insulating shielding cover used for replacing linear rod insulator |
| CN202405696U (en) * | 2011-12-12 | 2012-08-29 | 河南省电力公司洛阳供电公司 | Insulating shield assembly |
| CN203301065U (en) * | 2013-06-18 | 2013-11-20 | 国家电网公司 | Shielding cover of insulator |
| CN203645246U (en) * | 2013-12-18 | 2014-06-11 | 国家电网公司 | 10kV live-line working insulation shielding tool |
| JP2018102032A (en) * | 2016-12-19 | 2018-06-28 | 中国電力株式会社 | Coating stripper |
-
2018
- 2018-07-20 CN CN201810800297.8A patent/CN108963861B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201408943Y (en) * | 2009-05-15 | 2010-02-17 | 上海市南电力工程有限公司 | Insulated shielding cover external member for 10kV lightning protection column isolator |
| CN201408938Y (en) * | 2009-05-15 | 2010-02-17 | 上海市南电力工程有限公司 | Insulated shielding cover of 10kV fuse |
| CN202206071U (en) * | 2011-09-19 | 2012-04-25 | 湖南省电力公司长沙电业局 | Insulating shielding cover used for replacing linear rod insulator |
| CN202405696U (en) * | 2011-12-12 | 2012-08-29 | 河南省电力公司洛阳供电公司 | Insulating shield assembly |
| CN203301065U (en) * | 2013-06-18 | 2013-11-20 | 国家电网公司 | Shielding cover of insulator |
| CN203645246U (en) * | 2013-12-18 | 2014-06-11 | 国家电网公司 | 10kV live-line working insulation shielding tool |
| JP2018102032A (en) * | 2016-12-19 | 2018-06-28 | 中国電力株式会社 | Coating stripper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108963861B (en) | 2020-05-12 |
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