CN114977002A - Cross arm hard shielding cover for live-wire work - Google Patents

Cross arm hard shielding cover for live-wire work Download PDF

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Publication number
CN114977002A
CN114977002A CN202210703560.8A CN202210703560A CN114977002A CN 114977002 A CN114977002 A CN 114977002A CN 202210703560 A CN202210703560 A CN 202210703560A CN 114977002 A CN114977002 A CN 114977002A
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CN
China
Prior art keywords
piece
shielding
overlapping
hard
cover
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Granted
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CN202210703560.8A
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Chinese (zh)
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CN114977002B (en
Inventor
游鹏
谭庆
张弘毅
金含研
唐远
李敏
管凌葳
邓健
但惠
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State Grid Sichuan Electric Power Co Ltd
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State Grid Sichuan Electric Power Co Ltd
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Priority to CN202210703560.8A priority Critical patent/CN114977002B/en
Publication of CN114977002A publication Critical patent/CN114977002A/en
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Publication of CN114977002B publication Critical patent/CN114977002B/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

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  • Electric Cable Installation (AREA)

Abstract

The invention discloses a cross arm hard shielding cover for live-wire work, which shields a cross arm by arranging a shielding piece, directly places a groove body structure on the cross arm, reduces the working process of workers, and is characterized in that an overlapping piece is connected with a first side surface, and one end of the overlapping piece, which is close to a bottom surface, extends out of the first side surface; the part that obstructor and overlap extension first side is bent and is connected, and obstructor setting is in the one end that overlap and first side are connected. The overlapping piece and the blocking piece which are connected in a bending mode are arranged to enclose the electric pole, the shielding piece is enabled to shield the special-shaped structure tightly, the shielding requirements are met by overlapping the overlapping piece and other overlapping pieces in the process that the folding piece wraps the electric pole, excessive shielding tools are not needed to be used for overlapping and shielding, the space occupied by an operation bucket in live-line operation is reduced, the risk caused by the fact that shielding is not tight is reduced, and the safety in the live-line operation process is improved.

Description

Cross arm hard shielding cover for live-wire work
Technical Field
The invention relates to the technical field of safety protection during operation of an electric power system, in particular to a cross arm hard shielding cover for live-wire operation.
Background
With the increasing requirements of power users on power supply reliability and power service, the live-line work of the power distribution network plays an original bigger role in operation and maintenance of the power distribution network. In the current live working process, aiming at the project needing to shield the cross arm, a hard shielding cover with the length of 30-50cm is mainly adopted, and the length of the cross arm in a power distribution network is about 1.5-3 m generally. When the cross arm is insulated and shielded, a plurality of cross arm shielding covers are needed, and the overlapping requirement between the shielding tools is 15cm at present, so that the more cross arm shielding covers are needed, the more shielding tools need to be carried, and the weight is increased. When live working is carried out, a worker needs to take the insulating bucket arm vehicle to ascend to a working position for working, but the space in the working bucket of the insulating bucket arm vehicle is limited, the bearing capacity is limited, and the activity space of the worker is greatly influenced by carrying a plurality of hard shielding covers. The soft insulating blanket is adopted for shielding, the cross arm structure of the electric pole is of an irregular structure, the electric pole is difficult to shield tightly, iron accessories used for a long time are easy to wear or scratch the soft insulating blanket, the use cost is high, the shielding efficiency of the two tools is low, the shielding operation time is long, and the load on operators is large in summer operation.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in the present live working, can't shield tightly to the abnormal shape structure, for satisfying the requirement of shielding, need a large amount of shielding apparatus, will occupy the operation fill space in a large number, influence the operation personnel and normally work, aim at provides a cross arm stereoplasm shields the cover for live working, shield the cross arm through setting up the shield, the overlapping piece and the separation piece of buckling the connection enclose the pole, make the shield tightly to the abnormal shape structure, overlap mutually with other overlapping pieces in the process of folding piece parcel pole and reach the requirement of shielding, need not use too much shielding apparatus, reduce the heavy burden that occupies the operation fill in the live working, reduce the risk that shields not tightly and cause, improve the security in the live working process.
The invention is realized by the following technical scheme:
the utility model provides a cross arm stereoplasm shields cover for live working, includes shielding piece, overlapping and separation piece:
the shielding piece is of a groove structure and comprises a first side face, a second side face and a bottom face;
the overlapping piece is connected with the first side face, and one end of the overlapping piece, which is close to the bottom face, extends out of the first side face;
the barrier piece is connected with the part of the overlapping piece extending out of the first side face in a bending mode, and the barrier piece is arranged at one end, connected with the first side face, of the overlapping piece.
The invention arranges a shielding piece, an overlapping piece and a blocking piece: the shielding piece is arranged into a groove structure and comprises a first side surface, a second side surface and a bottom surface; the cross arm is shielded by arranging the shielding piece, the groove body structure is directly placed on the cross arm, the work flow of workers is reduced, the overlapping piece is connected with the first side face, and one end, close to the bottom face, of the overlapping piece extends out of the first side face; the part that obstructor and overlap extension first side is bent and is connected, and obstructor setting is in the one end that overlap and first side are connected. The overlapping piece and the blocking piece which are connected in a bending mode are arranged to enclose the electric pole, the shielding piece is enabled to shield the special-shaped structure tightly, the shielding requirements are met by overlapping the overlapping piece and other overlapping pieces in the process that the folding piece wraps the electric pole, excessive shielding tools are not needed to be used for overlapping, the space occupied by an operation bucket in hot-line work is reduced, the risk caused by the fact that shielding is not tight is reduced, and the safety in the hot-line work process is improved.
Furthermore, one end of the blocking piece is connected with the bottom surface of the shielding piece, and the bending connection angle of the blocking piece and the overlapping piece is set to be 90 degrees. One end of the blocking piece is connected with the bottom surface of the shielding piece, so that the shielding piece is in sealing connection when the cross arm is shielded, the bending connection angle of the blocking piece and the overlapping piece is set to be 90 degrees, and the blocking piece and the overlapping piece are tightly shielded by using different setting angles according to the special-shaped structure.
Furthermore, a clamping piece is arranged on one side face, far away from the shielding piece, of the blocking piece, one end, close to the shielding piece, of the clamping piece is not beyond the bottom face of the shielding piece, and the clamping piece is parallel to the overlapping piece. The clamping piece is arranged to improve the fixity when the shielding part is shielded, and the shielding performance of the shielding part is guaranteed by setting one end, close to the shielding part, of the clamping piece not to exceed the bottom surface of the shielding part.
Further, the clamping piece is movably connected with the blocking piece through a transmission mechanism:
drive mechanism inlays to be established on the separation piece, drive mechanism includes screw rod, fixed cover, nut:
the screw rod runs through the fixed sleeve and is arranged, the connecting part of the screw rod and the fixed sleeve is a smooth surface, the screw rod is movably connected with the fixed sleeve, the nut is sleeved on the screw rod, and the screw rod is matched with the nut. The position of setting up drive mechanism regulation chucking spare improves the stability of shielding the cover when shielding, prevents to shield unstability and cause the accident.
Further, fixed cover includes first fixed cover and the fixed cover of second, two fixed cover sets up respectively at the screw rod both ends, first fixed cover sets up at separation spare intermediate position, the fixed platform setting of second is in the subassembly between with overlap a link. The screw is controlled by the fixed sleeve, the stability of the screw position in the rotating process of the screw is ensured, and the nut can be driven to rotate.
Further, chucking spare and nut fixed connection, when the nut drove chucking spare to move the tip that the screw rod is close to first fixed cover, the distance between overlapping and the chucking spare is greater than the thickness of overlapping. The distance between the stack and the clamping member is larger than the thickness of the stack, so that the two symmetrically arranged cross arms are fixed when the shielding cover is installed.
Furthermore, one end of the screw rod, which extends out of the first fixing sleeve, is movably embedded in the blocking piece, the first fixing sleeve is connected with the blocking piece, and a cover body used for protecting the transmission mechanism is arranged between the first fixing sleeve and the second fixing sleeve. Set up the lid and protect drive mechanism, place drive mechanism and damage.
Furthermore, one side, away from the first fixed cover, of the second fixed cover is provided with a rotating part for controlling the rotation of the screw rod, and the rotating part is connected with the screw rod. The clamping piece is adjusted through the movement of the rotating piece operating screw rod, and operation is convenient.
Further, the side of the clamping piece far away from the overlapping piece is provided with an elastic piece. Guarantee through setting up the elastic component that chucking spare can the chucking when chucking spare and electric wire post contact, prevent simultaneously that chucking spare and the power of cylinder conflict each other from causing the damage.
Furthermore, the shielding part, the overlapping part, the blocking part and the transmission mechanism are all made of hard epoxy resin materials. The hard shielding tool made of hard epoxy resin is more durable than an insulating blanket, and the use amount of the shielding tool for operation can be reduced.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the shielding piece is arranged to shield the cross arm, and the folded and connected overlapping piece and the blocking piece surround the electric pole, so that the shielding piece tightly shields the special-shaped structure;
2. the folding piece is overlapped with other overlapping pieces in the process of wrapping the electric pole to meet the shielding requirement, excessive shielding tools are not needed, the load occupied by the operation bucket in live-line operation is reduced, and the safety in the live-line operation process is improved;
3. when the clamping piece is arranged for shielding, the shielding cover improves the fixity and prevents the clamping piece from falling off to cause operation risk;
4. the invention is matched with the electric pole shielding cover, and can realize the comprehensive shielding of the electric pole part along the single side direction of the circuit;
5. live working list cross arm shields cover according to cross arm and pole structural design, shields through the overlapping of a left two left and right two shields, realizes shielding to whole cross arm exposed part.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort. In the drawings:
fig. 1 is a schematic structural view of a shield cover in embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a cross arm shielded by a shield cover in embodiment 1 of the present invention;
FIG. 3 is a schematic view of a shadow mask according to embodiment 2 of the present invention;
FIG. 4 is an enlarged schematic view of a transmission mechanism in an embodiment of the present invention;
fig. 5 is a schematic structural view of a cross arm shielded by a shield cover in embodiment 2 of the present invention;
FIG. 6 is a schematic view of a combination of two masks according to an embodiment of the present invention.
Reference numbers and corresponding part names in the drawings:
10-shield, 11-first side, 12-second side, 13-bottom, 20-overlap, 30-barrier, 40-clasp, 50-transmission, 51-screw, 52-first retainer, 53-second retainer, 54-nut, 55-turn, 60-handle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The invention mainly solves the problems that the shielding of equipment cross arms such as insulator cross arms, lightning arrester cross arms, drop-out fuse cross arms and the like is difficult to be tight and needs more hard cross arm shielding covers in the prior art due to the complex structure of the contact part of the cross arms and an electric pole, the shielding is not tight when the insulating blanket is adopted for shielding in the prior art, the abrasion to the shielding blanket is larger, and the shielding cover which can meet the shielding requirement and is simple and convenient to operate does not exist in the prior art.
Example 1
As shown in fig. 1 and 2, a cross-arm hard shield for hot-line work includes a shield 10, an overlapping member 20, and a blocking member 30:
the shielding piece 10 is arranged in a groove structure, and the shielding piece 10 comprises a first side surface 11, a second side surface 12 and a bottom surface 13;
the overlapping part 20 is connected with the first side surface 11, and one end of the overlapping part 20 close to the bottom surface 13 extends out of the first side surface 11;
the blocking member 30 is connected with the portion of the overlapping member 20 extending out of the first side 11 in a bending manner, and the blocking member 30 is disposed at one end of the overlapping member 20 connected with the first side 11.
By providing the covering 10, the overlap 20 and the barrier 30: the shielding piece 10 is arranged in a groove structure, and the shielding piece 10 comprises a first side surface 11, a second side surface 12 and a bottom surface 13; the cross arm is shielded by arranging the shielding piece 10, the groove body structure is directly placed on the cross arm, the working process of workers is reduced, the overlapping piece 20 is connected with the first side surface 11, and one end, close to the bottom surface 13, of the overlapping piece 20 extends out of the first side surface 11; the blocking member 30 is connected with the portion of the overlapping member 20 extending out of the first side 11 in a bending manner, and the blocking member 30 is disposed at one end of the overlapping member 20 connected with the first side 11. The overlapping part 20 and the blocking part 30 which are connected in a bending mode are arranged to enclose the electric pole, so that the shielding part 10 can tightly shield the special-shaped structure, the shielding part is overlapped with other overlapping parts 20 in the process that the folding part wraps the electric pole to meet the shielding requirement, excessive shielding tools are not needed to be used for overlapping, the space occupied by the operation bucket in the live-line operation is reduced, the risk caused by the fact that the shielding is not tight is reduced, and the safety in the live-line operation process is improved.
In the process of cross arm shielding, the shielding covers with two symmetries are used for cross arm shielding, the overlapping pieces 20 of the two cross arms are all wrapped on the electric pole, the overlapping pieces 20 are overlapped with each other, and the overlapping requirement is guaranteed.
In some possible embodiments, the shielding member 10 is made according to the length of the current cross arm 1.5-3 m, which is divided into different lengths, the cross arm shielding cover with the corresponding length is selected according to the working occasion, and the shielding and overlapping of the whole cross arm and the shielding of the front and the side of the electric pole are realized by adopting single cross arm shielding covers with opposite directions on the left and the right sides of the electric pole respectively. The elevation height of the first side surface 11 and the second side surface 12 of the shielding piece 10 is 20cm, and the shielding piece is sleeved with the electric pole shielding cover to meet the requirement that the overlapping shielding is more than 15cm, so that the tight shielding of the working surface is realized.
In some possible embodiments, barrier 30 is attached at one end to bottom surface 13 of covering 10, and the angle of the bend attachment of barrier 30 to overlapping member 20 is set at 90 degrees. One end of the barrier 30 is connected with the bottom surface 13 of the shielding member 10, so that the shielding member 10 is hermetically connected when shielding the cross arm, the bending connection angle of the barrier 30 and the overlapping member 20 is set to be 90 degrees, and the shielding is tightly performed by using different installation angles according to the special-shaped structure. The setting is typically 90 degrees, facilitating the application of multiple scenes.
In some possible embodiments, the underside 13 of the screen 10 on the side in contact with the cross-arm is provided with a handle 60, the handle 60 being provided to improve the ease of operation of the device during screening.
Example 2
The present embodiment provides a cross arm hard shield cover for live line work based on embodiment 1:
as shown in fig. 3, the side of barrier 30 remote from covering 10 is provided with a catch 40, the end of catch 40 adjacent to covering 10 is not beyond bottom 13 of covering 10, and catch 40 is parallel to overlapping member 20. The provision of the retainer 40 improves the fixation when masking. By arranging that the end of the clip 40 near the screen 10 does not extend beyond the bottom surface 13 of the screen 10, movability of the screen 10 when screening a cross-arm is ensured.
As shown in fig. 4, the retainer 40 is movably connected to the blocking member 30 by a transmission mechanism 50:
the transmission mechanism 50 is embedded on the blocking member 30, and the transmission mechanism 50 includes a screw 51, a fixing sleeve, and a nut 54:
the screw 51 penetrates through the fixed sleeve, the connecting part of the screw 51 and the fixed sleeve is a smooth surface, the screw 51 is movably connected with the fixed sleeve, the nut 54 is sleeved on the screw 51, and the screw 51 is matched with the nut 54. The transmission mechanism 50 is arranged to adjust the position of the clamping piece 40, so that the stability of the shielding cover during shielding is improved, and accidents caused by unstable shielding are prevented. The fixing sleeves include a first fixing sleeve 52 and a second fixing sleeve 53, which are respectively disposed at both ends of the screw 51, the first fixing sleeve 52 is disposed at the middle position of the barrier 30, and the second fixing table is disposed at the end of the connection between the components and the overlapping member 20. The fixed sleeve screw 51 is arranged for control, the position of the screw 51 is ensured to be stable in the rotating process of the screw 51, and meanwhile, the nut 54 can be driven to rotate. The retainer 40 is fixedly connected with the nut 54, and when the nut 54 drives the retainer 40 to move to the end part of the screw 51 close to the first fixing sleeve 52, the distance between the overlapping part 20 and the retainer 40 is larger than the thickness of the overlapping part 20. The distance between the stack and the clamping member 40 is arranged to be greater than the thickness of the stack 20 for securing the two symmetrically arranged cross arms when mounting the screen.
In some possible embodiments, the end of the screw 51 extending out of the first fixing sleeve 52 is movably embedded in the blocking member 30, the first fixing sleeve 52 is connected with the blocking member 30, and a cover for protecting the transmission mechanism 50 is disposed between the first fixing sleeve 52 and the second fixing sleeve 53. The cover is disposed at one end of the blocking member 30 far from the shielding member 10 and a side of the blocking member 30 far from the fastening member 40, and the cover is disposed to protect the transmission mechanism 50 and prevent the transmission mechanism 50 from being damaged.
In some possible embodiments, the side of the second sleeve 53 remote from the first sleeve 52 is provided with a rotating element 55 controlling the rotation of the screw 51, the rotating element 55 being connected to the screw 51. The clamping piece 40 is adjusted by arranging the rotating piece 55 to operate the movement of the screw 51, so that the operation is convenient.
Example 3
The embodiment provides a cross arm shielding operation method of a hard shielding cover of a cross arm for live working, based on embodiment 2, when the overlapping requirement is up to the standard and the shielding is tight, the method comprises the following steps:
as shown in fig. 5, two symmetrical housings are placed on the cross arm, one of the overlapping members 20 is fitted between the other overlapping member 20 and the gripping member 40, the positions of the gripping members 40 of the two housings are adjusted, the gripping member 40 of the housing in which the gripping member 40 is close to the utility pole is adjusted so that the gripping member 40 and the overlapping member 20 grip the overlapping member 20 or the gripping member 40 of the other housing, and if the overlapping member 20 of the other housing is gripped, the gripping member 40 of the housing which is gripped by the overlapping member 20 is adjusted so as to be in close contact with the post of the electric wire; if the fastening member 40 of another shade cover is fastened, the fastening member 40 of the shade cover is adjusted to be in close contact with the wire column.
In some possible embodiments, as shown in fig. 6, the shadow mask of embodiment 1 and the shadow mask of embodiment 2 may be used in combination.
In some possible embodiments, the side of the gripping member 40 remote from the overlapping member 20 is provided with a resilient member. By arranging the elastic member, the clamping member 40 can be clamped when the clamping member 40 contacts with the wire column, and meanwhile, the clamping member 40 is prevented from being damaged by the mutual interference force of the column body. The elastic part can be made of silica gel or foam.
In some possible embodiments, the covering 10, the overlapping member 20, the blocking member 30 and the transmission mechanism 50 are made of hard epoxy resin. The hard shielding tool made of hard epoxy resin is more durable than an insulating blanket, and the using amount of the hard shielding tool for the operation can be reduced. Along with current insulating material production technology is more mature, the apparatus that shields of stereoplasm epoxy material can be based on the use place of difference and structure and customize the production, and the stereoplasm insulation shields the cover, will bring very big facility for distribution network live working, and drive mechanism 50 also can adopt other type plastics materials.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. A cross arm hard shield for live working is characterized by comprising a shield (10), an overlapping piece (20) and a blocking piece (30):
the shielding piece (10) is arranged to be of a groove body structure, and the shielding piece (10) comprises a first side surface (11), a second side surface (12) and a bottom surface (13);
the overlapping piece (20) is connected with the first side surface (11), and one end, close to the bottom surface (13), of the overlapping piece (20) extends out of the first side surface (11);
the part of the barrier piece (30) and the overlapping piece (20) extending out of the first side face (11) is connected in a bending mode, and the barrier piece (30) is arranged at one end, connected with the first side face (11), of the overlapping piece (20).
2. The hard cross-arm shielding cover for the live working according to claim 1, wherein one end of the blocking piece (30) is connected with the bottom surface (13) of the shielding piece (10), and the bending connection angle of the blocking piece (30) and the overlapping piece (20) is set to be 90 degrees.
3. A hard crossarm covering for hot-line work according to claim 1, characterised in that a fastening member (40) is arranged on the side of the barrier member (30) remote from the covering member (10), that the end of the fastening member (40) close to the covering member (10) is not arranged beyond the bottom surface (13) of the covering member (10), and that the fastening member (40) is parallel to the overlapping member (20).
4. A hard charged-work crossarm shelter as claimed in claim 1, wherein the clip (40) is movably connected to the blocking member (30) by means of a transmission mechanism (50):
drive mechanism (50) inlays and establishes on separation piece (30), drive mechanism (50) include screw rod (51), fixed cover, nut (54):
the screw rod (51) runs through the fixed sleeve and is arranged, the connecting part of the screw rod (51) and the fixed sleeve is arranged to be a smooth surface, the screw rod (51) is movably connected with the fixed sleeve, the nut (54) is sleeved on the screw rod (51), and the screw rod (51) is matched with the nut (54).
5. A cross-arm hard shield cover for hot-line work according to claim 4, wherein said fixing covers comprise a first fixing cover (52) and a second fixing cover (53), said fixing covers are respectively disposed at both ends of the screw (51), said first fixing cover (52) is disposed at a middle position of the blocking member (30), and said second fixing table is disposed at an end of connecting with the overlapping member (20) between the components.
6. A cross-arm hard shelter for hot-line work as claimed in claim 5, wherein said clip (40) is fixedly connected to a nut (54), and when said nut (54) moves said clip (40) to the end of the screw (51) close to the first fixing sleeve (52), the distance between said overlapping member (20) and said clip (40) is greater than the thickness of the overlapping member (20).
7. The hard shielding cover of a cross arm for hot-line work as claimed in claim 5, wherein one end of the screw (51) extending out of the first fixing sleeve (52) is movably embedded in the blocking member (30), the first fixing sleeve (52) is connected with the blocking member (30), and a cover body for protecting the transmission mechanism (50) is arranged between the first fixing sleeve (52) and the second fixing sleeve (53).
8. A cross-arm hard shield for hot-line work according to claim 5, wherein a rotating member (55) for controlling the rotation of the screw rod (51) is arranged on the side of the second fixing sleeve (53) far from the first fixing sleeve (52), and the rotating member (55) is connected with the screw rod (51).
9. A hard charged-work crossarm shelter according to claim 3, in which the side of the clamping member (40) remote from the overlapping member (20) is provided with an elastic member.
10. The hard shielding cover of cross arm for live working according to claim 1, wherein the shielding member (10), the overlapping member (20), the blocking member (30) and the transmission mechanism (50) are all made of hard epoxy resin.
CN202210703560.8A 2022-06-21 2022-06-21 Cross arm hard shielding cover for live working Active CN114977002B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210703560.8A CN114977002B (en) 2022-06-21 2022-06-21 Cross arm hard shielding cover for live working

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210703560.8A CN114977002B (en) 2022-06-21 2022-06-21 Cross arm hard shielding cover for live working

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CN114977002A true CN114977002A (en) 2022-08-30
CN114977002B CN114977002B (en) 2024-05-07

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206524577U (en) * 2017-01-12 2017-09-26 国网福建省电力有限公司 Cross-arm electric pole combines mask
CN208015239U (en) * 2018-03-28 2018-10-26 国家电网公司 A kind of insulated cross arm shielding cover
CN213933931U (en) * 2020-10-30 2021-08-10 魏振洋 Electric power detects shields cover with protection

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206524577U (en) * 2017-01-12 2017-09-26 国网福建省电力有限公司 Cross-arm electric pole combines mask
CN208015239U (en) * 2018-03-28 2018-10-26 国家电网公司 A kind of insulated cross arm shielding cover
CN213933931U (en) * 2020-10-30 2021-08-10 魏振洋 Electric power detects shields cover with protection

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