CN216904038U - Telescopic overhead conductor insulation shielding device for live working - Google Patents

Abstract

The utility model discloses a telescopic overhead conductor insulation shielding device for live working, which belongs to the technical field of electric safety appliances and comprises at least two shielding blankets which are flexible, insulated and folded, wherein each shielding blanket is sequentially arranged in an internal-external stacking manner and can be stretched or folded, a telescopic guide structure is arranged between every two adjacent layers of shielding blankets, and positioning pieces are arranged at the end parts of the innermost shielding blanket and the outermost shielding blanket. The improvement through the structure helps improving the installation effectiveness of shielding the blanket and reduces the fixed degree of difficulty, effectively lightens staff's work load. The fixing of the two ends of the shielding device is realized by utilizing the positioning piece, so that the condition that the shielding blanket slides to cause the insulating shielding failure when in use is avoided. The adjacent two shielding blankets can be connected together in a stretching or folding manner through the guide structure, so that the stability of the shielding blankets when the shielding cables are unfolded is improved. The length of being convenient for adjust the length of shielding device according to the length of cable makes its with the length adaptation of cable, helps expanding the applicable scene of insulating device.

Description

Telescopic overhead conductor insulation shielding device for live working

Technical Field

The utility model relates to the technical field of electric power safety appliances, in particular to a telescopic overhead conductor insulation shielding device for live working.

Background

The electric power safety work regulation stipulates that 'power failure or insulation shielding measures should be taken for adjacent live lines and equipment which are likely to touch during work', an insulated shielding blanket is generally adopted to shield a live body or a grounding body in the live working process in the electric power field, and the risk that objects which are accidentally touched by workers at different potentials are injured by electric shock in the working process is prevented.

The shielding blanket used in the existing live working process is generally a smooth surface or a surface with an adsorption disc, and after the overhead conductor in the working environment is shielded, objects such as an insulating clamp or an insulating rope and the like need to be used for fixing the shielding blanket on the shielded overhead conductor, so that potential safety hazards caused by the fact that the overhead conductor is exposed due to the fact that the shielding blanket slides or falls off are prevented.

However, the existing working method of shielding the overhead conductor by using the shielding carpet has some disadvantages, such as: 1. the insulating clamp is utilized to fix the shielding blanket, so that the working steps are increased, the insulating clamp has the possibility of falling off and sliding, and the stability of the shielding blanket is not ensured; 2. the length of each shielding blanket is fixedly arranged, when a longer overhead conductor needs to be shielded, a plurality of shielding blankets need to be overlapped and matched for use, the preparation workload of workers is large, the labor intensity is high, and the improvement of the working efficiency is not facilitated; 3. when shielding the overhead conductor with fluctuation and inclination, need to adopt the polylith to shield the blanket and make up and adopt a plurality of insulating clamps to fix shielding the blanket, there is the risk that shielding the blanket slip and lead to fixed the inefficacy. Therefore, how to improve the installation efficiency and stability of the shielding carpet when shielding the overhead conductor is one of the problems to be solved in the art.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects and shortcomings in the prior art, the utility model provides the telescopic overhead conductor insulation shielding device for live working, which effectively improves the installation efficiency and stability of the shielding device.

In order to achieve the technical purpose, the telescopic overhead conductor insulating and shielding device for live-wire work comprises at least two shielding blankets which are flexible, insulated and folded in half, wherein the shielding blankets are sequentially arranged inside and outside in a stacked mode and can be unfolded or folded, a telescopic guide structure is arranged between every two adjacent layers of shielding blankets, and the end parts of the innermost layer of shielding blanket and the outermost layer of shielding blanket are provided with foldable positioning pieces.

Preferably, the guiding structure comprises a guiding sleeve arranged on one of the outer surface of the inner layer shielding blanket and the inner surface of the outer layer shielding blanket and a guiding shaft arranged on the other one, and the guiding shaft is inserted in the guiding sleeve and can move back and forth relative to the guiding sleeve.

Preferably, the guiding axle is equipped with axle body portion and the fixed part of connecting through connecting portion, and the guide sleeve is equipped with the guide way and the open slot that communicates with the guide way, and the guide way just supplies axle body portion to insert with the cooperation of axle body portion, and the open slot just supplies connecting portion to stretch out the uide bushing with the cooperation of connecting portion.

Preferably, the guiding axle and the guiding sleeve are flexible, a flexible axle core is arranged in the hollow part of the axle body and comprises a plurality of axle sections which are sequentially connected in series to enable the guiding axle to be bent and deformed.

Preferably, the guiding axle includes a plurality of sections that are in proper order concatenate together and make the guiding axle flexurally deformable, and each section all is equipped with axis body portion and the fixed part of connecting through connecting portion.

Preferably, one end of each shaft section is provided with a spherical joint, the other end of each shaft section is provided with a spherical concave hole matched with the spherical joint, and two adjacent shaft sections are connected in series through the matching of the spherical joints and the spherical concave holes.

Preferably, the guide sleeve comprises a plurality of sleeve bodies which are sequentially connected in series to enable the guide sleeve to be bent and deformed, and each sleeve body is provided with a guide groove and an open slot.

Preferably, one end of each sleeve body is provided with a spherical cap-shaped joint, the other end of each sleeve body is provided with a spherical cap-shaped groove matched with the spherical cap-shaped joint, and two adjacent sleeve bodies are connected in series through the matching of the spherical cap-shaped joints and the spherical cap-shaped grooves.

Preferably, an anti-disengaging structure is arranged between the two adjacent layers of shielding blankets, the anti-disengaging structure comprises a first stop block arranged on the outer surface of the inner layer of shielding blanket and a second stop block arranged on the inner surface of the outer layer of shielding blanket, and the first stop block and the second stop block are matched to limit the relative movement stroke of the two adjacent layers of shielding blankets.

Preferably, the positioning piece is a positioning clamp, the positioning clamp comprises two clamping plates hinged together, a positioning shaft is arranged on the outer surface of the shielding blanket corresponding to the positioning clamp, the clamping plates are provided with positioning holes matched with the positioning shafts, and the positioning shafts penetrate through the positioning holes.

After the technical scheme is adopted, the utility model has the following advantages:

1. the utility model provides a telescopic overhead conductor insulation shielding device for live working, which is characterized in that a plurality of shielding blankets are arranged inside and outside in a stacked mode, and a telescopic guide structure is arranged between two adjacent layers of shielding blankets. When the overhead conductor is insulated and shielded, the shielding blanket is opened through the positioning piece, the shielding device is hung on the overhead conductor firstly, one end of the shielding device is fixed through the positioning piece, then the positioning piece at the other end is opened and pulls the shielding blanket to be unfolded, and the positioning piece is used for clamping the shielding blanket after the shielding blanket is unfolded in place, so that the other end of the shielding device is fixed. The improvement of the structure is beneficial to improving the installation efficiency of the shielding blanket and reducing the fixing difficulty of the shielding blanket, and is beneficial to reducing the workload of workers. The fixing of the two ends of the shielding device is realized by utilizing the positioning piece, and the condition that the shielding blanket slides to cause the insulation shielding failure when in use is effectively avoided. The two adjacent shielding blankets can be connected together in an unfolding or folding manner through the telescopic guide structure, so that the stability of the shielding blankets when the shielding blankets are unfolded to shield the overhead conductor is improved. Because the shielding blanket can be unfolded or folded, the length of the shielding device can be conveniently adjusted according to the actual length of the overhead conductor, so that the shielding device is matched with the length of the overhead conductor needing to be shielded in an insulating way, and the applicable scene of the insulating device can be expanded.

2. The guide structure adopts guiding axle and uide bushing complex structure, and is concrete, the axis body portion of guiding axle and the guide way cooperation of uide bushing, and the connecting portion of guiding axle and the open slot cooperation of uide bushing set up the cooperation structure between guiding axle and the uide bushing rationally, make it satisfy be applied to adjacent two and shield between the blanket and can realize flexible structural requirement.

3. In the structure, the guide shaft and the guide sleeve are flexible, the flexible shaft core is arranged in the hollow shaft body of the guide shaft, and the flexible shaft core is sequentially connected in series through a plurality of shaft sections in a matched mode with spherical concave holes through spherical joints, so that the flexible shaft core can be subjected to bending deformation, the guide structure can be subjected to adaptive deformation when the overhead conductor is bent, the shielding device can be used for effectively insulating and shielding the bent overhead conductor, and the universality of the shielding device is improved.

4. In another kind of structure, the guiding axle directly comprises a plurality of shaft sections through the cooperation of ball joint with the spherical shrinkage pool in proper order concatenating together, is favorable to further improving the bending deformation degree of guiding axle, enables the better insulating requirement of shielding of satisfying to crooked air wire of shielding device.

5. The guide sleeve is formed by sequentially connecting a plurality of sleeve bodies in series through the cooperation of the spherical-crown-shaped joints and the spherical-crown-shaped grooves, so that the bending deformation degree of the guide sleeve is favorably improved, the situation that the flexible guide sleeve is elastically ineffective after being used for multiple times is avoided, the structural stability of the guide structure is favorably improved, and the requirement on insulation shielding of the bent overhead conductor is better met by the guide structure.

6. Set up anti-disengaging structure between the blanket is shielded to adjacent two-layer, and the relative movement stroke of the adjacent two-layer blanket that shields is restricted through the cooperation of first dog and second dog, avoids shielding the condition that blanket or guide structure break away from each other, helps improving the structural stability who shields the device.

7. The surface that shields the blanket sets up the location axle, and the location axle is worn through the locating hole on the location clamp splint, and the location clamp is through being connected in shielding the blanket with location axle cooperation, helps improving the structural stability between location clamp and the shielding blanket to be favorable to improving the stability of location clamp when shielding device carries out the insulation to the air wire, avoid the location clamp and shield the blanket and take place to loosen and take off and lead to shielding the blanket and slide easily and expose the condition of air wire.

Drawings

Fig. 1 is a schematic view of a telescopic overhead conductor insulation shielding device for live working according to an embodiment when folded;

FIG. 2 is a schematic view of an embodiment of a telescopic overhead conductor insulation shielding device for live working deployed;

FIG. 3 is an exploded view of an embodiment of a telescopic overhead conductor insulation shielding device for live working;

FIG. 4 is a cross-sectional view of a guiding structure disposed on one side of two adjacent shielding blankets in the retractable overhead conductor insulation shielding device for one-line operation according to the embodiment;

FIG. 5 is an exploded view of the associated components of FIG. 4;

fig. 6 is a sectional view of a guide shaft in the telescopic overhead wire insulation shielding device for hot-line work according to the second embodiment;

FIG. 7 is a structural diagram of a flexible shaft core in the telescopic overhead conductor insulation shielding device for hot-line work according to the second embodiment;

fig. 8 is a structural view of shaft sections constituting a guide shaft in the retractable overhead conductor insulation shielding apparatus for the three-hot-line work of the embodiment;

fig. 9 is a structural view of a sheath body constituting a guide sheath in the retractable overhead wire insulation shielding apparatus for four live working according to the embodiment.

In the figure, 100-shielding blanket, 110-first shielding blanket, 120-second shielding blanket, 130-positioning shaft, 200-guiding structure, 210-guiding shaft, 211-shaft body part, 212-connecting part, 213-fixing part, 214-flexible shaft core, 215-shaft section, 216-spherical joint, 217-spherical concave hole, 218-elastic sleeve, 220-guiding sleeve, 221-guiding groove, 222-open groove, 223-fixing plate, 224-sleeve body, 225-spherical crown joint, 226-spherical crown groove, 310-first block, 320-second block, 400-positioning clamp, 410-clamping plate, 420-positioning hole, 500-overhead conductor.

Detailed Description

The utility model is further described with reference to the following figures and specific examples. It is to be understood that the following terms "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like are used merely to indicate an orientation or positional relationship relative to one another as illustrated in the drawings, merely to facilitate describing and simplifying the utility model, and are not intended to indicate or imply that the device/component so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore are not to be considered limiting of the utility model.

Example one

As shown in fig. 1 to 5, a telescopic overhead conductor insulating shielding device for live line work according to a first embodiment of the present invention includes at least two shielding blankets 100 that are flexibly insulated and folded in half, each shielding blanket 100 is sequentially stacked inside and outside and can be unfolded or folded, a telescopic guiding structure 200 is disposed between two adjacent shielding blankets 100, and end portions of the innermost shielding blanket 100 and the outermost shielding blanket 100 are provided with foldable positioning members.

In the embodiment, two shielding blankets 100 are provided as an example, the shielding blanket 100 includes a first shielding blanket 110 disposed on an inner layer and a second shielding blanket 120 disposed on an outer layer, the first shielding blanket 110 and the second shielding blanket 100 are folded in half, and a guiding structure 200 is disposed between two folded sides of the first shielding blanket 110 and two folded sides of the second shielding blanket 120.

Referring to fig. 4 and 5, in the present embodiment, the guiding structure 200 includes a guiding shaft 210 and a guiding sleeve 220, which are engaged with each other, the guiding shaft 210 is fixed on the inner surface of the second shielding blanket 120, the guiding sleeve 220 is fixed on the outer surface of the first shielding blanket 110, the guiding shaft 210 is inserted into the guiding sleeve 220 and can move back and forth relative to the guiding sleeve 220, so as to achieve the purpose of being retractable, and the length directions of the guiding shaft 210 and the guiding sleeve 220 are parallel to the folding line of the shielding blanket 100. In this embodiment, the guide shaft 210 includes a shaft portion 211 and a fixing portion 213 connected via a connecting portion 212, the shaft portion 211 is preferably hollow, and the fixing portion 213 is fixed to the inner surface of the second shielding blanket 120. The guide sleeve 220 is provided with a guide groove 221 and an open groove 222 communicated with the guide groove 221, the guide groove 221 is matched with the shaft body portion 211 and is used for the shaft body portion 211 to insert, the open groove 222 is matched with the connecting portion 212 and is used for the connecting portion 212 to extend out of the guide sleeve 220, a fixing plate 223 matched with the first shielding blanket 110 is arranged on one side of the guide sleeve 220 back to the open groove 222, and the fixing plate 223 is fixed on the inner surface of the first shielding blanket 110.

To avoid the two adjacent layers of sheltering blankets 100 from separating from each other when they are unfolded, an anti-slip structure is provided between the two adjacent layers of sheltering blankets 100. In this embodiment, the anti-slip structure includes a first block 310 disposed on the outer surface of the first shielding blanket 110 and a second block 320 disposed on the inner surface of the second shielding blanket 120, and the first block 310 and the second block 320 cooperate to limit the relative movement of the adjacent two layers of shielding blankets 100. The first stopper 310 is preferably provided at the right end of the guide sleeve 220, and the second stopper 320 is preferably provided at the left end of the guide shaft 210. When the two shielding blankets are spread until the first stopper 310 and the second stopper 320 abut against each other, the two shielding blankets are spread in place.

The positioning member is preferably a positioning clip 400, the left end of the first blanket 110 and the right end of the second blanket 120 are both provided with the positioning clip 400, the positioning clip 400 comprises two clamping plates 410 hinged together, and the clamping plates 410 of the positioning clip 400 are connected to the corresponding blanket 100. In this embodiment, the positioning shafts 130 are disposed on the outer surface of the left end of the first shielding blanket 110 and the outer surface of the right end of the second shielding blanket 120, the axial direction of the positioning shafts 130 is substantially parallel to the folding line, the positioning holes 420 matched with the positioning shafts 130 are disposed on the clamping plates 410, and the positioning shafts 130 penetrate through the positioning holes 420 of the corresponding clamping plates 410, so as to achieve the purpose of connecting the positioning clips 400 to the corresponding shielding blankets 100. Positioning clip 400 may slide a distance left and right relative to masking blanket 100 to facilitate adjusting the clamping position of positioning clip 400 as the case may be.

Two splint 410 that constitute locating clip 400 are in the same place through the articulated shaft is articulated, still overlaps on the articulated shaft to be equipped with insulating torsional spring, and two of insulating torsional spring turn round the foot and contradict with two splint 410 respectively. The top side of the positioning clip 400 is provided with two handles connected to the corresponding clamping plates 410, respectively. Normally, the positioning clip 400 is in a clamped state. When the positioning clip 400 needs to be opened, the worker can open the positioning clip 400 by applying force to the handle, and the torsion spring is deformed by the force when the positioning clip 400 is opened. After the positioning clip 400 is loosened, the torsion spring restores to deform to drive the positioning clip 400 to automatically restore to a clamping state.

When the overhead conductor 500 is insulated and shielded, the shielding blanket 100 is opened through the positioning clamp 400, the shielding device is firstly hung on the overhead conductor 500, one end of the shielding device is fixed through the positioning clamp 400, then the positioning clamp 400 at the other end is opened and pulls the shielding blanket 100 to slide to be unfolded, and after the shielding blanket 100 is unfolded in place, the positioning clamp 400 is used for clamping the shielding blanket 100 to fix the other end of the shielding device.

The improvement of the structure of this embodiment is helpful to improve the installation efficiency of the masking blanket 100 and to reduce the difficulty of fixing the masking blanket 100, which is beneficial to reducing the workload of the worker. The fixing of the two ends of the shielding device is realized by the positioning clip 400, thereby effectively avoiding the situation that the shielding blanket 100 slides to cause the failure of the insulation shielding when in use. The expandable or collapsible connection of two adjacent shielding blankets 100 by the retractable guide structure 200 is beneficial to improve the stability of the shielding blankets 100 when the shielding aerial conductor 500 is expanded. Because the shielding blanket 100 can be unfolded or folded, the length of the shielding device can be adjusted according to the actual length of the overhead conductor 500 to be matched with the length of the insulating shielding device, which is needed, and the application scene of the insulating device can be expanded.

It will be appreciated that the specific number of masking blankets 100 is not limited to two as described above and shown in the drawings, and may be provided in other reasonable numbers, such as three, four, five, etc., depending on the masking requirements.

It is understood that the positions of the guide shaft 210 and the guide sleeve 220 may be interchanged.

It will be appreciated that the guide structure 200 may be provided on only a single side of the doubled-over covering 100, provided that the covering requirements are met.

It will be appreciated that other expandable and contractable members may be used for the positioning member.

Example two

Referring to fig. 6 and 7, in order to insulate and shield the bent overhead conductor 500 by the shielding device, the guide shaft 210 and the guide sleeve 220 are both flexible, the shaft body 211 is hollow and is provided with a flexible shaft core 214 therein, and the flexible shaft core 214 includes a plurality of shaft segments 215 which are sequentially connected in series to allow the guide shaft 210 to be bent and deformed. In this embodiment, one end of each shaft segment 215 is provided with a spherical joint 216, the other end of each shaft segment is provided with a spherical concave hole 217 matched with the spherical joint 216, and two adjacent shaft segments 215 are connected in series through the matching of the spherical joints 216 and the spherical concave holes 217. To improve the stability of the flexible core 214, the flexible core 214 is externally sleeved with a small thickness elastomeric sleeve 218.

Because the flexible shaft core 214 can be bent and deformed, the flexible guide shaft 210 and the guide sleeve 220 can be deformed adaptively when the overhead conductor 500 is bent, so that the shielding blanket 100 can effectively insulate and shield the bent overhead conductor 500, and the universality of the shielding device is improved.

The other structures of the second embodiment are the same as those of the first embodiment, and are not described in detail here.

It will be appreciated that the elastomeric sleeve 218 may be eliminated.

It is understood that the guide shaft 210 and the guide sleeve 220 may be made of an insulating material having elasticity, such as rubber or silicone.

It will be appreciated that shaft segment 215 may be formed of a hard, insulative material.

EXAMPLE III

As shown in fig. 8, in the present embodiment, the guide shaft 210 directly adopts a segmented structure, the guide shaft 210 is formed by connecting a plurality of shaft segments 215 in series through the engagement of spherical joints 216 and spherical concave holes 217, and each shaft segment 215 is provided with a shaft body 211 and a fixing portion 213 connected through a connecting portion 212. Specifically, each shaft segment 215 includes a cylindrical shaft body 211 and a ball joint 216, and each shaft segment 215 is directly fixed to the corresponding masking blanket 100 by its own fixing portion 213. The guide shaft 210 with the structure can further improve the bending deformation degree, and the shielding device can better meet the insulating shielding requirement of the bent overhead conductor.

The other structures of the third embodiment are the same as those of the second embodiment, and are not described herein again.

Example four

Referring to fig. 9, in the present embodiment, the guiding sleeve 220 is of a sectional structure, the guiding sleeve 220 includes a plurality of sleeve bodies 224 sequentially connected in series to enable the guiding sleeve 220 to be bent and deformed, each sleeve body 224 is provided with a guiding slot 221, an opening slot 222 and a fixing plate 223, and each sleeve body 224 is directly fixed on the corresponding shielding blanket 100 through its own fixing plate 223.

In order to realize the connection between the sleeves 224, one end of each sleeve 224 is provided with a spherical cap-shaped joint 225, the other end is provided with a spherical cap-shaped groove 226 matched with the spherical cap-shaped joint 225, and two adjacent sleeves 224 are connected in series through the matching of the spherical cap-shaped joints 225 and the spherical cap-shaped grooves 226.

The guide sleeve 220 adopts a multi-section structure, so that the bending deformation degree is further improved, the situation that the flexible guide sleeve is elastically ineffective after being used for multiple times is avoided, the structural stability of the guide structure is improved, and the requirement on insulation shielding of the bent overhead conductor is better met by the guide structure.

The other structures of the fourth embodiment are the same as those of the second embodiment, and are not described herein again.

It is understood that the fourth embodiment can be combined with the second or third embodiment.

Other embodiments of the present invention than the preferred embodiments described above, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, should fall within the scope of the present invention defined in the claims.

Claims (10)

1. The telescopic overhead conductor insulating and shielding device for live line operation comprises at least two shielding blankets which are flexible, insulated and folded, and is characterized in that the shielding blankets are arranged in an internal-external stacking mode in sequence and can be unfolded or folded, a telescopic guide structure is arranged between every two adjacent layers of shielding blankets, and openable positioning pieces are arranged at the end parts of the innermost layer of shielding blanket and the outermost layer of shielding blanket.

2. The telescopic overhead conductor insulation shielding device for hot-line work according to claim 1, wherein the guiding structure comprises a guiding sleeve disposed on one of the outer surface of the inner shielding blanket and the inner surface of the outer shielding blanket, and a guiding shaft disposed on the other of the inner shielding blanket and the outer shielding blanket, the guiding shaft being inserted into the guiding sleeve and being movable back and forth relative to the guiding sleeve.

3. The telescopic overhead conductor insulation shielding device for hot-line work as claimed in claim 2, wherein the guiding shaft is provided with a shaft body portion and a fixing portion connected via a connecting portion, the guiding sleeve is provided with a guiding groove and an open groove communicated with the guiding groove, the guiding groove is engaged with the shaft body portion and is used for the insertion of the shaft body portion, and the open groove is engaged with the connecting portion and is used for the extension of the connecting portion out of the guiding sleeve.

4. The telescopic overhead conductor insulation shielding device for hot-line work according to claim 3, wherein the guide shaft and the guide sleeve are flexible, the shaft body is hollow and is internally provided with a flexible shaft core, and the flexible shaft core comprises a plurality of shaft sections which are sequentially connected in series to enable the guide shaft to be bent and deformed.

5. The telescopic overhead conductor insulation shielding device for hot-line work according to claim 3, wherein the guide shaft comprises a plurality of shaft sections which are sequentially connected in series to enable the guide shaft to be bent and deformed, and each shaft section is provided with a shaft body part and a fixing part which are connected through a connecting part.

6. The telescopic overhead conductor insulation shielding device for hot-line work according to claim 4 or 5, wherein one end of the shaft section is provided with a spherical joint, the other end of the shaft section is provided with a spherical concave hole matched with the spherical joint, and two adjacent shaft sections are connected in series through the matching of the spherical joint and the spherical concave hole.

7. The telescopic overhead conductor insulation shielding device for hot-line work as claimed in claim 5, wherein the guiding sheath comprises a plurality of sheath bodies connected in series in sequence to allow the guiding sheath to be bent and deformed, each sheath body is provided with a guiding slot and an open slot.

8. The telescopic overhead conductor insulation shielding device for hot-line work as claimed in claim 7, wherein one end of the sleeve body is provided with a spherical cap shaped joint, the other end is provided with a spherical cap shaped groove matched with the spherical cap shaped joint, and two adjacent sleeve bodies are connected in series through the matching of the spherical cap shaped joint and the spherical cap shaped groove.

9. The telescopic insulated shielding device for overhead conductors for hot-line work of claim 1, wherein an anti-separation structure is disposed between two adjacent shielding blankets, the anti-separation structure comprises a first stop block disposed on the outer surface of the inner shielding blanket and a second stop block disposed on the inner surface of the outer shielding blanket, and the first stop block and the second stop block cooperate to limit the relative movement of the two adjacent shielding blankets.

10. The telescopic overhead conductor insulation shielding device for hot-line work according to claim 1, wherein the positioning member is a positioning clip, the positioning clip comprises two clamping plates hinged together, a positioning shaft is arranged on the outer surface of the shielding blanket corresponding to the positioning clip, the clamping plates are provided with positioning holes matched with the positioning shaft, and the positioning shaft passes through the positioning holes.

Images