CN114977002B - Cross arm hard shielding cover for live working - Google Patents
Cross arm hard shielding cover for live working Download PDFInfo
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- CN114977002B CN114977002B CN202210703560.8A CN202210703560A CN114977002B CN 114977002 B CN114977002 B CN 114977002B CN 202210703560 A CN202210703560 A CN 202210703560A CN 114977002 B CN114977002 B CN 114977002B
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- 230000000903 blocking effect Effects 0.000 claims abstract description 49
- 238000005452 bending Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 22
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 13
- 239000000463 material Substances 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 4
- 238000012216 screening Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 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
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Electric Cable Installation (AREA)
Abstract
The invention discloses a hard shielding cover for a cross arm for live working, which is characterized in that a shielding piece is arranged to shield the cross arm, a groove body structure is directly arranged on the cross arm, the working flow of workers is reduced, an overlapping piece is connected with a first side surface, and one end of the overlapping piece, which is close to the bottom surface, extends out of the first side surface; the blocking piece is connected with the part, extending out of the first side surface, of the overlapping piece in a bending mode, and the blocking piece is arranged at one end, connected with the first side surface, of the overlapping piece. The overlapping parts and the blocking parts which are connected in a bending way are arranged to enclose the electric pole, so that the shielding parts tightly shield the special-shaped structure, the shielding requirements are met by overlapping with other overlapping parts in the process of wrapping the electric pole by the folding parts, overlapping shielding by using too many shielding tools is not needed, the space occupied by an operation bucket in live working is reduced, the risk caused by imprecise shielding is reduced, and the safety in the live working process is improved.
Description
Technical Field
The invention relates to the technical field of safety protection during operation of a power system, in particular to a cross arm hard shielding cover for live working.
Background
As the requirements of power users on power supply reliability and power service are higher and higher, the live working of the power distribution network plays an original bigger role in operation, maintenance and overhaul 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 which is mainly 30-50cm is adopted, and the length of the cross arm in the power distribution network is generally about 1.5-3 meters. When insulating and shielding the cross arm, a plurality of cross arm shielding covers are needed, and the current overlapping requirement of the shielding tools is 15cm, so that the more the needed cross arm shielding covers are, the more the shielding tools are needed to be carried, and the weight is increased. When live working, the staff needs to lift to the working position to work by taking the insulating arm trolley, but the space in the working hopper of the insulating arm trolley is limited, the bearing capacity is limited, and the movable space of the staff is greatly influenced by carrying more 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, the soft insulating blanket is extremely easy to wear or scratch due to the iron accessory used for a long time, 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 high during summer operation.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: in the prior live working, the special-shaped structure cannot be tightly shielded, a large number of shielding tools are needed to meet the shielding requirement, a large number of shielding tools occupy the space of a working bucket to influence the normal work of operators, and the purpose is to provide the cross arm hard shielding cover for the live working.
The invention is realized by the following technical scheme:
a cross arm hard shielding cover for live working, comprising a shielding piece, an overlapping piece and a blocking piece:
The shielding piece is arranged in a groove body 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, close to the bottom face, of the overlapping piece extends out of the first side face;
The blocking piece is connected with the part, extending out of the first side surface, of the overlapping piece in a bending mode, and the blocking piece is arranged at one end, connected with the first side surface, of the overlapping piece.
The invention is achieved by providing a shield, an overlap and a barrier: the shielding piece is arranged in a groove body structure and comprises a first side face, a second side face and a bottom face; the cross arm is shielded by the shielding piece, the groove body structure is directly placed on the cross arm, the working 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 blocking piece is connected with the part, extending out of the first side surface, of the overlapping piece in a bending mode, and the blocking piece is arranged at one end, connected with the first side surface, of the overlapping piece. The overlapping parts and the blocking parts which are connected in a bending way are arranged to enclose the electric pole, so that the shielding parts tightly shield the special-shaped structure, the shielding requirements are met by overlapping the electric pole with other overlapping parts in the process of wrapping the electric pole by the folding parts, excessive shielding tools are not needed to be used for superposition, the space occupied by an operation bucket in live working is reduced, the risk caused by imprecise shielding is reduced, and the safety in the live working process is improved.
Further, 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. Through setting up separation piece one end and being connected with the shielding piece bottom surface, make shielding piece sealing connection when shielding the cross arm, the bending connection angle of separation piece and overlapping piece sets up to 90 degrees, uses different setting angles to carry out tight shielding according to abnormal shape structure.
Further, a side of the barrier away from the shield is provided with a clip, the end of the clip adjacent to the shield is not beyond the bottom surface of the shield, and the clip is parallel to the overlap. The fixing property is improved when the clamping piece is arranged for shielding, and the shielding performance of the shielding piece is ensured by arranging that one end of the clamping piece, which is close to the shielding piece, does not exceed the bottom surface of the shielding piece.
Further, the clamping piece is movably connected with the blocking piece through a transmission mechanism:
The transmission mechanism is embedded on the blocking piece and comprises a screw rod, a fixed sleeve and a nut:
The screw rod runs through the fixed cover setting, screw rod and fixed cover junction sets up to smooth surface, screw rod and fixed cover swing joint, the nut cover is established on the screw rod, screw rod and nut looks adaptation. The position of the clamping piece is adjusted by the transmission mechanism, so that the stability of the shielding cover during shielding is improved, and accidents caused by unstable shielding are prevented.
Further, the fixed sleeve comprises a first fixed sleeve and a second fixed sleeve, the two fixed sleeves are respectively arranged at two ends of the screw rod, the first fixed sleeve is arranged at the middle position of the blocking piece, and the second fixed table is arranged between the components and at the connecting end of the overlapping piece. The screw rod of the fixed sleeve is arranged for control, so that the stability of the screw rod position in the screw rod rotation process is ensured, and the nut can be driven to rotate.
Further, the clamping piece is fixedly connected with the nut, and when the nut drives the clamping piece to move to the end part of the screw rod close to the first fixed sleeve, the distance between the overlapping piece and the clamping piece is larger than the thickness of the overlapping piece. The distance between the stacking piece and the clamping piece is larger than the thickness of the stacking piece, and the stacking piece and the clamping piece are used for guaranteeing that two symmetrically arranged cross arms are fixed when the shielding cover is installed.
Further, one end of the screw extending 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 for protecting the transmission mechanism is arranged between the first fixing sleeve and the second fixing sleeve. The cover body is arranged to protect the transmission mechanism, and the transmission mechanism is placed to be damaged.
Further, one side of the second fixed sleeve far away from the first fixed sleeve is provided with a rotating piece for controlling the screw to rotate, and the rotating piece is connected with the screw. The clamping piece is adjusted by setting the movement of the rotating piece operating screw rod, so that the operation is convenient.
Further, an elastic member is arranged on one side surface of the clamping member away from the overlapping member. Through setting up the elastic component and guaranteeing that the chucking spare can the chucking when chucking spare and electric wire post contact, prevent simultaneously that chucking spare and the mutual power of contradicting of cylinder from causing the damage.
Further, the shielding piece, the overlapping piece, the blocking piece and the transmission mechanism are made of hard epoxy resin materials. The hard shielding tool made of the hard epoxy resin material is durable compared with an insulating blanket, so that the using 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 cross arm is provided with the shielding piece, and the overlapping piece and the blocking piece which are connected in a bending way enclose 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, so that excessive shielding tools are not needed to be used, the load of an operation bucket in live working is reduced, and the safety in the live working process is improved;
3. the clamping piece is arranged, so that the shielding cover improves the fixity when shielding, and prevents falling off, so that the operation risk is caused;
4. The invention is matched with the pole shielding cover, so that the complete shielding of the pole part along the single-side direction of the line of the pole can be realized;
5. the hot-line work sheet cross arm shielding cover is designed according to the cross arm and electric pole structure, and shielding of all exposed parts of the cross arm is achieved through overlapping shielding of the left shielding cover and the right shielding cover.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are needed in the examples will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and that other related drawings may be obtained from these drawings without inventive effort for a person skilled in the art. In the drawings:
FIG. 1 is a schematic view of a shielding cover in embodiment 1 of the present invention;
FIG. 2 is a schematic view of the structure of the shielding device in the embodiment 1 of the present invention;
FIG. 3 is a schematic view of a shielding cover in embodiment 2 of the present invention;
FIG. 4 is an enlarged schematic view of a transmission mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic view of the structure of the shielding device in the embodiment 2 of the present invention;
Fig. 6 is a schematic diagram showing two shielding cover combinations in an embodiment of the invention.
In the drawings, the reference numerals and corresponding part names:
10-shielding member, 11-first side, 12-second side, 13-bottom, 20-overlapping member, 30-blocking member, 40-clamping member, 50-transmission mechanism, 51-screw, 52-first fixing sleeve, 53-second fixing sleeve, 54-nut, 55-rotating member, 60-handle.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The invention mainly solves the problems that the hard cross arm shielding cover in the prior art is difficult to shield tightly and needs a large amount of cross arms of equipment such as an insulator cross arm, a lightning arrester cross arm, a drop-out fuse cross arm and the like due to complex structures of contact parts of the cross arms and electric poles, the shielding cover is not tight when an insulating blanket is adopted for shielding in the prior art, the abrasion of the shielding blanket is large, and the shielding cover which can meet the shielding requirement and is easy and convenient to operate does not exist in the prior art.
Example 1
As shown in fig. 1 and 2, a cross arm hard mask for live working includes a mask 10, an overlapping member 20, and a blocking member 30:
the shielding member 10 is provided in a groove structure, and the shielding member 10 includes a first side 11, a second side 12 and a bottom 13;
The overlapping piece 20 is connected with the first side face 11, and one end of the overlapping piece 20, which is close to the bottom face 13, extends out of the first side face 11;
The blocking member 30 is connected to 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 an end of the overlapping member 20 connected to the first side 11.
By providing the shield 10, the overlap 20 and the barrier 30: the shielding member 10 is provided in a groove structure, and the shielding member 10 includes a first side 11, a second side 12 and a bottom 13; the shielding piece 10 is arranged to shield the cross arm, the groove body structure is directly arranged on the cross arm, the working flow of workers is reduced, the overlapping piece 20 is connected with the first side face 11, and one end of the overlapping piece 20, which is close to the bottom face 13, extends out of the first side face 11; the blocking member 30 is connected to 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 an end of the overlapping member 20 connected to the first side 11. The overlapping piece 20 and the blocking piece 30 which are connected in a bending way are arranged to enclose the electric pole, so that the shielding piece 10 shields a special structure tightly, the overlapping piece is overlapped with other overlapping pieces 20 in the process of wrapping the electric pole by the folding piece to meet the shielding requirement, excessive shielding tools are not needed to be used for overlapping, the space occupied by a working bucket in live working is reduced, the risk caused by imprecise shielding is reduced, and the safety in the live working process is improved.
In the process of shielding the cross arms, the two symmetrical shielding covers are used for shielding the cross arms, the overlapping pieces 20 of the two cross arms are all wrapped by the electric pole, and the overlapping pieces 20 are mutually overlapped, so that the overlapping requirement is ensured.
In some possible embodiments, the shielding member 10 is manufactured according to the length of the current cross arm of 1.5-3 m, the cross arm shielding covers with the corresponding lengths are selected according to the operation occasions, and the shielding and overlapping of the whole cross arm and the shielding of the front face and the side face of the electric pole are realized by adopting the single cross arm shielding covers with opposite directions on the left side and the right side of the electric pole respectively. The elevation height of the first side 11 and the second side 12 of the shielding member 10 is 20cm, and the requirement that the overlapped shielding is larger than 15cm is achieved by sleeving the shielding member with the electric pole shielding cover, so that tight working surface shielding is realized.
In some possible embodiments, one end of the blocking member 30 is connected to the bottom surface 13 of the shielding member 10, and the angle of the bent connection of the blocking member 30 to the overlapping member 20 is set to 90 degrees. By arranging one end of the blocking member 30 to be connected with the bottom surface 13 of the shielding member 10, the shielding member 10 is in sealing connection when shielding the cross arm, the bending connection angle of the blocking member 30 and the overlapping member 20 is set to be 90 degrees, and the shielding member is tightly shielded by using different setting angles according to the special-shaped structure. Typically set to 90 degrees to facilitate application in multiple scenarios.
In some possible embodiments, the other side of the bottom surface 13 of the covering 10, which is in contact with the cross arm, is provided with a handle 60, which handle 60 improves the ease of operation of the device during the screening process.
Example 2
The present embodiment provides a hard shield cover for a cross arm for live working based on embodiment 1:
As shown in fig. 3, a side of the barrier 30 remote from the shield 10 is provided with a clip 40, the end of the clip 40 near the shield 10 not exceeding the bottom 13 of the shield 10, the clip 40 being parallel to the overlap 20. The provision of the clip 40 improves the fixation when masking. By arranging that the end of the clip 40 near the screen 10 does not exceed the bottom surface 13 of the screen 10, the movability of the screen 10 in screening the cross arm is ensured.
As shown in fig. 4, the clamping member 40 is movably connected with the blocking member 30 through a transmission mechanism 50:
the transmission mechanism 50 is embedded on the blocking piece 30, and the transmission mechanism 50 comprises a screw 51, a fixing sleeve and a nut 54:
The screw rod 51 runs through the fixed sleeve and is arranged, the joint of the screw rod 51 and the fixed sleeve is arranged as 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. 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 fixed sleeve comprises a first fixed sleeve 52 and a second fixed sleeve 53, the two fixed sleeves are respectively arranged at two ends of the screw rod 51, the first fixed sleeve 52 is arranged at the middle position of the blocking piece 30, and the second fixed table is arranged between the components and at the connecting end of the overlapping piece 20. The fixed sleeve screw 51 is arranged for control, so that the stability of the position of the screw 51 in the rotation process of the screw 51 is ensured, and meanwhile, the nut 54 can be driven to rotate. The clamping member 40 is fixedly connected with the nut 54, and when the nut 54 drives the clamping member 40 to move to the end of the screw rod 51 close to the first fixing sleeve 52, the distance between the overlapping member 20 and the clamping member 40 is larger than the thickness of the overlapping member 20. The distance between the stack and the clamping member 40 is set to be greater than the thickness of the overlap 20 for ensuring the fixation of two symmetrically arranged cross arms when the screening arrangement is mounted.
In some possible embodiments, 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 for protecting the transmission mechanism 50 is disposed between the first fixing sleeve 52 and the second fixing sleeve 53. The cover is arranged at one end of the blocking member 30 far away from the shielding member 10 and one side surface of the blocking member 30 far away from the clamping member 40, and the cover is arranged to protect the transmission mechanism 50, so that the transmission mechanism 50 is damaged.
In some possible embodiments, a rotating member 55 for controlling rotation of the screw 51 is provided on a side of the second fixed sleeve 53 remote from the first fixed sleeve 52, and the rotating member 55 is connected to the screw 51. The clamping member 40 is adjusted by setting the movement of the rotating member 55 to operate the screw 51, thereby facilitating the operation.
Example 3
Based on the embodiment 2, when the condition that the overlapping requirement meets the standard and the shielding is tight is ensured, the embodiment provides a cross arm shielding operation method of a cross arm hard shielding cover for live working, which comprises the following steps:
As shown in fig. 5, two symmetrical covers are placed on the cross arm, one of the overlapping members 20 is caught between the other overlapping member 20 and the catching member 40, the positions of the catching members 40 of the two covers are adjusted, the catching member 40 of the covering in which the catching member 40 is close to the utility pole is adjusted so that the catching member 40 and the overlapping member 20 catch the overlapping member 20 or the catching member 40 of the other covering, and if the overlapping member 20 of the other covering is caught, the catching member 40 of the covering caught the overlapping member 20 is adjusted so as to be in close contact with the utility pole; if the clamping member 40 of the other shield shell is clamped, the clamping member 40 of the shield shell is adjusted to be in close contact with the wire column.
In some possible embodiments, as shown in fig. 6, the shielding cover in embodiment 1 and the shielding cover in embodiment 2 may also be used in combination.
In some possible embodiments, a side of the gripping member 40 remote from the overlapping member 20 is provided with an elastic member. Through setting up the elastic component and guaranteeing that fastener 40 can the chucking when fastener 40 and wire column contact, prevent simultaneously that fastener 40 and the mutual power of contradicting of cylinder from causing the damage. The elastic piece 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 all made of a hard epoxy material. The hard shielding tool made of the hard epoxy resin material is durable compared with an insulating blanket, so that the using amount of the shielding tool for operation can be reduced. With the current insulation material production technology becoming more mature, the shielding tool made of the hard epoxy resin material can be customized and produced according to different use places and structures, and the hard insulation shielding cover brings great convenience to the live working of the power distribution network, and the transmission mechanism 50 can also be made of other types of plastic materials.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (5)
1. A cross arm hard shielding cover for live working, which is characterized by comprising a shielding piece (10), an overlapping piece (20) and a blocking piece (30):
The shielding piece (10) is arranged in 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 face (11), and one end, close to the bottom face (13), of the overlapping piece (20) extends out of the first side face (11);
The blocking piece (30) is connected with the part, extending out of the first side face (11), of the overlapping piece (20) in a bending mode, and the blocking piece (30) is arranged at one end, connected with the first side face (11), of the overlapping piece (20);
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;
A clamping piece (40) is arranged on one side surface of the blocking piece (30) far away from the shielding piece (10), one end of the clamping piece (40) close to the shielding piece (10) is not more than the bottom surface (13) of the shielding piece (10), and the clamping piece (40) is parallel to the overlapping piece (20);
the clamping piece (40) is movably connected with the blocking piece (30) through a transmission mechanism (50): the transmission mechanism (50) is embedded on the blocking piece (30), and the transmission mechanism (50) comprises a screw rod (51), a fixing sleeve and a nut (54):
the screw rod (51) penetrates through the fixed sleeve, the joint of the screw rod (51) and the fixed sleeve is 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);
The fixing sleeves comprise a first fixing sleeve (52) and a second fixing sleeve (53), the two fixing sleeves are respectively arranged at two ends of the screw rod (51), the first fixing sleeve (52) is arranged at the middle position of the blocking piece (30), and the second fixing sleeve (53) is arranged at the connecting end of the blocking piece (30) and the overlapping piece (20);
The clamping piece (40) is fixedly connected with the nut (54), and when the nut (54) drives the clamping piece (40) to move to the end part of the screw rod (51) close to the first fixing sleeve (52), the distance between the overlapping piece (20) and the clamping piece (40) is larger than the thickness of the overlapping piece (20).
2. The hard shielding cover for the cross arm for live working according to claim 1, wherein one end of the screw rod (51) extending out of the first fixing sleeve (52) is movably embedded in the blocking piece (30), the first fixing sleeve (52) is connected with the blocking piece (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).
3. The cross arm hard shielding cover for live working according to claim 1, wherein a rotating member (55) for controlling the rotation of the screw (51) is arranged on one side of the second fixed sleeve (53) away from the first fixed sleeve (52), and the rotating member (55) is connected with the screw (51).
4. A crossarm hard mask for hot-line work according to claim 1, characterized in that the clamping member (40) is provided with an elastic member on the side facing away from the overlapping member (20).
5. The crossarm hard mask for live working as claimed in claim 1, wherein the mask (10), the overlapping member (20), the blocking member (30) and the transmission mechanism (50) are made of hard epoxy resin.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114977002A CN114977002A (en) | 2022-08-30 |
| CN114977002B true CN114977002B (en) | 2024-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210703560.8A Active CN114977002B (en) | 2022-06-21 | 2022-06-21 | Cross arm hard shielding cover for live working |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114977002B (en) |
Citations (3)
| 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 |
-
2022
- 2022-06-21 CN CN202210703560.8A patent/CN114977002B/en active Active
Patent Citations (3)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114977002A (en) | 2022-08-30 |
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