CN115036836A - Distribution network maintenance protective umbrella and assembling and disassembling method - Google Patents

Abstract

The invention discloses a distribution network maintenance protective umbrella and an assembling and disassembling method, wherein the protective umbrella comprises a first shielding plate, a second shielding plate and two hanging rods, the first shielding plate and the second shielding plate are detachably connected together, the top ends of the hanging rods are provided with cross arm lock heads, the lower ends of the two hanging rods respectively penetrate through the first shielding plate and the second shielding plate, the hanging rods are provided with limiting rings, the limiting rings are positioned above the first shielding plate and the second shielding plate, the lower ends of the hanging rods are provided with handheld rods, the protective umbrella further comprises shielding plate supporting pieces positioned below the first shielding plate and the second shielding plate, and the shielding plate supporting pieces are arranged on the hanging rods or the handheld rods. The assembling and disassembling method comprises the following steps: the hand-held pole, the hanger bar and each group of shielding plates are assembled, then the assembled components are installed on the cross arm of the telegraph pole, and then all the components are disassembled and moved to the ground. The invention has the advantages that: overall structure is simple, whole light in weight, and convenient to use, especially it is comparatively convenient to install and remove, has effectively improved maintenance efficiency to the cost is lower.

Description

Distribution network maintenance protective umbrella and assembling and disassembling method

Technical Field

The invention relates to the field of electric power overhaul equipment, in particular to a distribution network overhaul protective umbrella and an assembling and disassembling method.

Background

Along with the deep propulsion of novel distribution network construction, the intelligent equipment work load sharply increases on the erection column that does not cut off the power supply, and present city and county company's distribution network live working bearing capacity is limited, is difficult to comprehensively support distribution network engineering's demand, utilizes non-live working personnel to accomplish the work load of the operation of can greatly reduced not cutting off the power supply of installation work in earlier stage, effectively solves the problem that the operation bearing capacity that does not cut off the power supply is not enough.

When the distance between the charged body and the 10kV charged body is less than 0.7m, the non-charged operator can work after relevant safety shielding measures are taken. The existing insulating partition plate is very heavy (more than 10 kg), is not suitable for many situations, even if the insulating partition plate can be applied, 2 persons are required to climb the rod, 1 person is matched with the ground, the installation and the removal can be completed within about 30 minutes, the uninterrupted operation resource investment in the distribution network engineering and the long operation time of the engineering can be greatly increased, and the engineering cost is also greatly improved.

As in the prior art, the protection plate for tower operation disclosed in the chinese utility model with publication number CN204793829U comprises a protection bracket and two insulation plates; the protective bracket is positioned below the two insulating plates; the protective support comprises an anchor ear and two supporting arms respectively connected with the anchor ear, and each supporting arm is connected with the lower part of one insulating plate; and the opposite inner sides of the two insulating plates are respectively provided with a semicircular notch. This structure type's guard plate, single personnel are difficult to install, and practical application is inconvenient to when the installation, hardly ensure the safe distance between guard plate and the electrified body in top, have certain potential safety hazard.

The existence of above-mentioned problem leads to non-live working personnel erection column switch limitation very big to occasionally constructor and electrified body safe distance not enough construction cause violating regulations to be reported.

Disclosure of Invention

The technical problem to be solved by the invention is as follows:

in the prior art, the safety distance is difficult to ensure when the distribution network overhauling insulation partition plate is actually applied, the use is inconvenient, and the technical problems of long time and high cost for overhauling are caused.

The invention solves the technical problems through the following technical means:

the utility model provides a join in marriage net maintenance fender umbrella, is including dismantling first shielding plate, the second shielding plate that links together, still includes two jibs, the top of jib is provided with the cross arm tapered end, and the lower extreme of two jibs passes respectively first shielding plate, second shielding plate, be provided with the spacing ring on the jib, the spacing ring is located first shielding plate, second shielding plate top, the lower extreme of jib is provided with handheld pole, still includes the shielding plate support piece that is located first shielding plate, second shielding plate below, shielding plate support piece sets up on jib or handheld pole.

When the distribution network maintenance protective umbrella is actually used, firstly, the hanging rods and the hand-held rods penetrate through the first shielding plate and the second shielding plate, then the bottom parts of the first shielding plate and the second shielding plate are propped against the shielding plate supporting piece to prevent the first shielding plate and the second shielding plate from sliding downwards, after the installation is finished, the two hanging rods, the first shielding plate, the second shielding plate and other parts can be lifted to the installation position below a cross arm of a telegraph pole through lifting ropes and the like, then an operator on the telegraph pole holds the hand-held rods, a cross arm lock head is hung on the cross arm of the telegraph pole, the positions of the first shielding plate and the second shielding plate relative to the telegraph pole and the position of the cross arm lock head on the cross arm are adjusted, the hanging rods are hoisted and locked on the cross arm of the telegraph pole through the cross arm lock head, the first shielding plate and the second shielding plate are both installed in place in the same way, and then the first shielding plate and the second shielding plate are connected together, the first shielding plate and the second shielding plate are respectively positioned at two sides of the telegraph pole, and after connection is completed, the first shielding plate and the second shielding plate are pushed upwards to be respectively propped against the lower parts of the corresponding limiting rings, so that the first shielding plate and the second shielding plate are ensured to be positioned below safe positions, and after the first shielding plate and the second shielding plate are adjusted to proper positions, the first shielding plate and the second shielding plate are propped against. Compared with the prior art, the safety distance can be effectively ensured by the limiting ring, when the distribution network is overhauled, the distribution network overhaul protective umbrella is simple in overall structure, light in overall weight, convenient to carry and use, particularly convenient to assemble and disassemble, the overhaul efficiency is effectively improved, and the cost is low. In practical application, the device can be automatically disassembled and assembled by non-live working personnel outside a safe distance, and 1 person can easily complete all operations in a short time; the safety of constructors is guaranteed, meanwhile, precious live working resource investment and time cost are saved, and good social and economic benefits are achieved.

Preferably, the handheld rod is hinged to the lower end of the hanging rod, and a hinged shaft at the lower end of the hanging rod is perpendicular to the hanging rod and the handheld rod; the lower end of the hanger rod is provided with a pair of hinge lugs, the hinge shaft is positioned between the two hinge lugs, and a lug accommodating hole extending towards the interior of the hanger rod is formed between the two hinge lugs;

the top end of the handheld rod is provided with a convex lug, a long hole is formed in the convex lug, the length directions of the convex lug and the long hole are parallel to the length direction of the handheld rod, the hinge shaft is located in the long hole, the convex lug can be inserted into the convex lug accommodating hole or pulled out of the convex lug accommodating hole, and when the convex lug is pulled out of the convex lug accommodating hole, the convex lug can rotate around the hinge shaft to a position where the handheld rod is perpendicular to the hanging rod.

During the practical application, when the lug is in the lug accommodation hole, handheld pole and jib are coaxial state, owing to there is the cooperation of lug and lug accommodation hole to prescribe a limit to, the structure is comparatively stable between the two, conveniently through parts such as handheld pole installation jib, jib and each part installation back, but pull-down handheld pole, the lug can swing rotatory after extracting the lug accommodation hole, can swing handheld pole to the position of perpendicular to jib around the articulated shaft this moment, and keep the gesture motionless with the help of the clamping-force of two articulated ears to the lug, and then realize folding, in order to avoid causing the interference to the below operation space, the utility model is simple in structure, it is folding ingenious, can realize the stable connection between handheld pole and the jib, and folding is convenient, swiftly.

Preferably, the handheld rod can move towards the direction of the suspender and is clamped at the lower end of the suspender when rotating to be perpendicular to the suspender.

In practical application, rotate the hand-held rod to the jib orientation removal behind the perpendicular to jib, the tip of lug can be supported the jib lower extreme, and then avoid hand-held rod to swing down, ensure the gesture after folding stable, avoid interfering below operating space.

Preferably, the shielding plate support comprises an elastic body arranged in the handheld rod, and a protruding portion is arranged on the elastic body and extends out of the side face of the handheld rod.

During the practical application, press the bellying, the bellying can retract handheld pole, can pass handheld pole with the shielding plate this moment, then the bellying auto-eject, and at the hoist and mount in-process, because blockking of bellying, the shielding plate can not the landing, ensures normal hoist and mount.

Preferably, the handheld rod is coaxially mounted at the lower end of the suspender through threads.

In practical application, after the protective umbrella is installed, the handheld rod can be screwed off, so that interference to the space under the umbrella is avoided, and the operation space is larger.

Optimized, the opposite edges of the inner sides of the first shielding plate and the second shielding plate are respectively provided with an arc-shaped opening, the two arc-shaped openings are oppositely arranged, and the edge of the arc-shaped opening is provided with a soft insulating plate.

During the actual installation, two arc-shaped openings can block respectively in the both sides of wire pole to hug closely the contact through between soft insulation board and the wire pole, the adaptable different diameters's of soft insulation board pole makes the shielding plate in the not co-altitude of pole, the position of different external diameters, and the shielding plate centre bore homoenergetic that two arc-shaped openings formed closely laminates with the pole, forms seamless safety protection structure.

Preferably, the cross arm lock head comprises a hook, a vertical threaded hole is formed in the bottom of the hook, and the top end of the suspender is mounted in the threaded hole through threads; the top of jib is provided with the kicking block, the kicking block is located the couple is inboard, the kicking block with rotate between the jib top and be connected.

In practical application, the hook is hung on a cross arm of a telegraph pole, the suspension rod is screwed, and the top end of the suspension rod can be supported at the bottom of the cross arm, so that the cross arm lock head is locked and installed, and the structure is simple and the operation is convenient. When the lifting rod is actually screwed down, the ejector block abuts against the bottom of the cross arm, and the top end of the lifting rod can rotate relatively, so that the lifting rod can be screwed more smoothly.

Preferably, the shielding plate supporting piece comprises a supporting sleeve sleeved on the lower end of the hanging rod, and the supporting sleeve is fixed on the hanging rod through a supporting sleeve fixing bolt.

In practical application, the tightness of the supporting sleeve can be adjusted through the tightness of the fixing bolt of the supporting sleeve, and the supporting sleeve is simple in structure and convenient to operate.

Optimized, be provided with between first shielding plate, the second shielding plate and dismantle the connecting piece, can dismantle the connecting piece including setting up respectively two fixed hooks of the inboard relative edge of first shielding plate, second shielding plate, the cover is equipped with the elasticity pull ring on two fixed hooks.

During actual installation, after the two shielding plates are spliced, the elastic pull ring is sleeved on the two fixing hooks, so that the two shielding plates can be connected, and the device is simple in structure, convenient and fast to install and reliable in connection.

The invention also discloses a method for assembling and disassembling the distribution network maintenance protective umbrella, which comprises the following steps:

s1, mounting

The first group of handheld rods and the hanger rods are coaxially arranged, the handheld rods and the hanger rods sequentially penetrate through the first shielding plate, and then the bottom of the first shielding plate is shielded by the shielding plate supporting piece to prevent the first shielding plate from sliding towards the end part of the handheld rods; then, penetrating a second group of handheld rods and a suspender into a second shielding plate according to the same steps, and shielding the bottom of the second shielding plate by a second group of shielding plate supporting pieces to prevent the second shielding plate from sliding towards the end part of the handheld rod;

moving the first group of hanger rods to the lower part of a cross arm of a telegraph pole, holding the handheld rods, locking a cross arm lock head on the cross arm, locking the cross arm lock head of the second group of hanger rods on the cross arm according to the same steps, respectively positioning a first shielding plate and a second shielding plate at two sides of the telegraph pole, and then connecting the first shielding plate and the second shielding plate;

pushing the first shielding plate and the second shielding plate upwards to enable the first shielding plate and the second shielding plate to respectively abut against the bottoms of the corresponding limiting rings and then abut against the bottoms of the first shielding plate and the second shielding plate;

s2, dismantling

The parts which are propped against the bottoms of the first shielding plate and the second shielding plate are removed, the first shielding plate and the second shielding plate are moved downwards, the bottoms of the first shielding plate and the second shielding plate are respectively shielded by two groups of shielding plate supporting pieces to prevent the first shielding plate and the second shielding plate from sliding towards the end part of the handheld rod, the first shielding plate and the second shielding plate are disassembled, then the first group of handheld rods are held, the cross arm lock head is disassembled from the cross arm, the first group of hanging rods are moved to the ground, then the second group of cross arm lock head is disassembled from the cross arm according to the same steps, and the second group of hanging rods are moved to the ground.

When the method for assembling and disassembling the protective umbrella for overhauling the distribution network is actually applied, the protective umbrella can be assembled and disassembled simply and quickly, the overhauling efficiency is effectively improved, the protective umbrella can be assembled and disassembled automatically by non-live working personnel outside a safe distance during actual application, and 1 person can complete all operations easily in a short time; the safety of constructors is guaranteed, meanwhile, precious live working resource investment and time cost are saved, and good social and economic benefits are achieved.

The invention has the advantages that:

1. when the distribution network maintenance protective umbrella is actually used, firstly, the hanging rods and the hand-held rods penetrate through the first shielding plate and the second shielding plate, then the bottom parts of the first shielding plate and the second shielding plate are propped against the shielding plate supporting piece to prevent the first shielding plate and the second shielding plate from sliding downwards, after the installation is finished, the two hanging rods, the first shielding plate, the second shielding plate and other parts can be lifted to the installation position below a cross arm of a telegraph pole through lifting ropes and the like, then an operator on the telegraph pole holds the hand-held rods, a cross arm lock head is hung on the cross arm of the telegraph pole, the positions of the first shielding plate and the second shielding plate relative to the telegraph pole and the position of the cross arm lock head on the cross arm are adjusted, the hanging rods are hoisted and locked on the cross arm of the telegraph pole through the cross arm lock head, the first shielding plate and the second shielding plate are both installed in place in the same way, and then the first shielding plate and the second shielding plate are connected together, the first shielding plate and the second shielding plate are respectively positioned at two sides of the telegraph pole, and after connection is completed, the first shielding plate and the second shielding plate are pushed upwards to be respectively propped against the lower parts of the corresponding limiting rings, so that the first shielding plate and the second shielding plate are ensured to be positioned below safe positions, and after the first shielding plate and the second shielding plate are adjusted to proper positions, the first shielding plate and the second shielding plate are propped against. Compared with the prior art, the safety distance can be effectively ensured by the limiting ring, when the distribution network is overhauled, the distribution network overhauling protective umbrella is simple in overall structure, light in overall weight, convenient to carry, convenient to use, especially convenient to assemble and disassemble, the overhauling efficiency is effectively improved, and the cost is lower. In practical application, the device can be automatically disassembled and assembled by non-live working personnel outside a safe distance, and 1 person can easily complete all operations in a short time; the safety of constructors is guaranteed, meanwhile, precious live working resource investment and time cost are saved, and good social and economic benefits are achieved.

2. During the practical application, when the lug is in the lug accommodation hole, handheld pole and jib are coaxial state, owing to there is the cooperation of lug and lug accommodation hole to prescribe a limit to, the structure is comparatively stable between the two, conveniently through parts such as handheld pole installation jib, jib and each part installation back, but pull-down handheld pole, the lug can swing rotatory after extracting the lug accommodation hole, can swing handheld pole to the position of perpendicular to jib around the articulated shaft this moment, and keep the gesture motionless with the help of the clamping-force of two articulated ears to the lug, and then realize folding, in order to avoid causing the interference to the below operation space, the utility model is simple in structure, it is folding ingenious, can realize the stable connection between handheld pole and the jib, and folding is convenient, swiftly.

3. In practical application, rotate the hand-held rod to the jib orientation removal behind the perpendicular to jib, the tip of lug can be supported the jib lower extreme, and then avoid hand-held rod to swing down, ensure the gesture after folding stable, avoid interfering below operating space.

4. During the practical application, press the bellying, the bellying can retract handheld pole, can pass handheld pole with the shielding plate this moment, then the bellying auto-eject, and at the hoist and mount in-process, because blockking of bellying, the shielding plate can not the landing, ensures normal hoist and mount.

5. In practical application, after the protective umbrella is installed, the handheld rod can be screwed off, so that interference to the space under the umbrella is avoided, and the operation space is larger.

6. During actual installation, two arc openings can block respectively in the both sides of wire pole to hug closely the contact through between soft insulation board and the wire pole, the adaptable different diameters's of soft insulation board pole makes the shielding plate in the not co-altitude of pole, the position of different external diameters, and the shielding plate centre bore homoenergetic that two arc openings formed closely laminates with the pole, forms seamless safety protection structure.

7. In practical application, the hook is hung on a cross arm of a telegraph pole, the suspension rod is screwed, and the top end of the suspension rod can be supported at the bottom of the cross arm, so that the cross arm lock head is locked and installed, and the structure is simple and the operation is convenient. When the lifting rod is actually screwed down, the ejector block abuts against the bottom of the cross arm, and the top end of the lifting rod can rotate relatively, so that the lifting rod can be screwed more smoothly.

8. In practical application, the tightness degree of supporting the cover can be realized through the elasticity of supporting cover fixing bolt, simple structure, simple operation.

9. During actual installation, after the two shielding plates are spliced, the elastic pull ring is sleeved on the two fixing hooks, so that the two shielding plates can be connected, and the device is simple in structure, convenient to install and reliable in connection.

10. When the method for assembling and disassembling the protective umbrella for overhauling the distribution network is actually applied, the protective umbrella can be assembled and disassembled simply and quickly, the overhauling efficiency is effectively improved, the protective umbrella can be assembled and disassembled automatically by non-live working personnel outside a safe distance during actual application, and 1 person can complete all operations easily in a short time; the method saves precious live working resource input and time cost while ensuring the safety of constructors, and has good social and economic benefits.

Drawings

Fig. 1 and 4 are schematic perspective views (unfolded states) of a protection umbrella for distribution network maintenance in a first embodiment of the present invention;

FIGS. 2 and 3 are sequential enlarged views of A, B of FIG. 1;

fig. 5 is a schematic view of a distribution network maintenance protective umbrella (with a hidden handheld rod) according to a first embodiment of the present invention;

FIG. 6 is an enlarged view of a portion C of FIG. 5;

fig. 7 is a schematic view (unfolded state) of a distribution network maintenance protective umbrella mounted on a cross arm of a utility pole according to a first embodiment of the present invention;

fig. 8 is a schematic perspective view (folded state) of a distribution network maintenance protective umbrella according to a first embodiment of the present invention;

FIGS. 9 and 10 are, in sequence, a cross-sectional view and a side view of a lug inserted into a lug-receiving aperture in accordance with an embodiment of the present invention;

FIGS. 11 and 12 are, in sequence, a cross-sectional view and a side view of a lug being withdrawn from a lug-receiving aperture in accordance with one embodiment of the present invention;

FIGS. 13 and 14 are a cross-sectional view and a right side view of a hand-held pole folded perpendicular to a hanger bar according to one embodiment of the present invention;

FIGS. 15 and 16 are, in sequence, a cross-sectional view and a front view of a hand-held wand shown folded with lugs against the lower end of the boom in accordance with one embodiment of the present invention;

FIG. 17 is a cross-sectional view of a cross arm lock according to an embodiment of the present invention;

FIG. 18 is a schematic view of a flexible insulating board according to an embodiment of the present invention;

FIG. 19 is a schematic view of the detachable connection member installed in the first embodiment of the present invention;

FIG. 20 is an exploded view of a detachable connection according to one embodiment of the present invention;

FIG. 21 is a schematic view of the handle being removed from the hexagonal head of the fixing bolt of the support sleeve in accordance with one embodiment of the present invention;

FIG. 22 is a schematic view of a handle cover being fitted over a hexagonal head of a fixing bolt of a support sleeve according to an embodiment of the present invention;

FIG. 23 is a schematic view of the mounting between the hand-held pole and the boom according to the second embodiment of the present invention;

FIG. 24 is a schematic view of the hand-held lever being locked in the locking slot of the shutter support according to the second embodiment of the present invention;

FIG. 25 is a left side view of FIG. 24;

FIG. 26 is a cross-sectional view of the connection of the hand-held wand to the boom in accordance with a third embodiment of the present invention;

FIG. 27 is a cross-sectional view of another perspective of the connection between the hand-held pole and the hanger bar in accordance with a third embodiment of the present invention;

FIGS. 28 and 29 are sequential enlarged views of D, E of FIG. 27;

FIG. 30 is a perspective view of a third lug of an embodiment of the present invention inserted into a lug-receiving aperture;

FIG. 31 is a schematic view of a third embodiment of a hinge ear of the present invention;

FIG. 32 is a schematic view of a third embodiment of a lug of the present invention;

FIG. 33 is a schematic view of a protrusion extending from the side of a hand-held lever according to a third embodiment of the present invention;

FIGS. 34 and 35 are perspective views of an elastomer according to a third embodiment of the present invention;

wherein the content of the first and second substances,

a first shielding plate-1; splicing the limiting plates-11;

a second shielding plate-2;

a suspender-3; hinge shaft-31; a hinge ear-32; a lug-receiving aperture-33; stud-34; a fixed head-35; a stop collar-36; -37 a threaded hole; a first mounting head-38; positioning hole-39;

a cross arm lock head-4; a hook-41; top block-42; upper plate-411; a lower plate-412; a vertical plate-413;

a shutter support-5; a support sleeve-51; support sleeve fixing bolt-52; a handle-53; a card slot-54; elastomer-55; a circular hole-531; regular hexagonal-shaped hole-532; an elastic pad-541; a boss-551;

a handheld rod-6; a lug-61; a slot-62; a threaded post-63; a second mounting head-64; an elastic column-65;

an arc-shaped opening-7; a flexible insulating sheet-71;

a guide sleeve-8;

detachable connecting pieces-9; a fixed hook-91; an elastic pull ring-92; a mounting substrate-93; positioning a convex column-911; positioning a concave hole-912; a spacing post-913; a handle-921.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

combine fig. 1, 4, a join in marriage net maintenance fender umbrella, includes first shielding plate 1, second shielding plate 2, jib 3, cross arm tapered end 4, shielding plate support piece 5, handheld pole 6, arc opening 7, guide pin bushing 8, can dismantle connecting piece 9.

The first shielding plate 1 and the second shielding plate 2 are detachably connected together through a detachable connecting piece 9. The lifting rods 3 are two, the top ends of the lifting rods 3 are provided with cross arm lock heads 4, the lower ends of the two lifting rods 3 penetrate through the first shielding plate 1 and the second shielding plate 2 respectively, the lower ends of the lifting rods 3 are hinged to handheld rods 6, namely the handheld rods 6 in the embodiment are foldable, and the hinged shafts 31 at the lower ends of the lifting rods 3 are perpendicular to the lifting rods 3 and the handheld rods 6. The shielding plate support piece 5 is positioned below the first shielding plate 1 and the second shielding plate 2, and the shielding plate support piece 5 is arranged on the suspension rod 3 or the handheld rod 6.

Specifically, as shown in fig. 5, the first shielding plate 1 and the second shielding plate 2 are both semicircular structures, the opposite edges of the inner sides of the first shielding plate 1 and the second shielding plate 2 are respectively provided with an arc-shaped opening 7, the arc-shaped opening 7 is preferably semicircular, the two arc-shaped openings 7 are arranged oppositely, and the edge of the arc-shaped opening 7 is provided with a soft insulating plate 71. As shown in fig. 18, the soft insulating plate 71 is a semicircular ring, and is mounted at the edge of the arc-shaped opening 7 by gluing or fixing with screws, and the soft insulating plate 71 is made of a soft insulating material to realize deformation and bending, such as rubber and silica gel. Further, the first shielding plate 1 and the second shielding plate 2 in this embodiment are both made of a light material, such as an aramid fiber material, a rigid foam, a non-metal honeycomb, a foam adhesive film, and the like. All positions of the first shielding plate 1 and the second shielding plate 2 can pass the interlaminar withstand voltage and leakage current test of 20kV according to the standard.

As shown in fig. 2, the inboard edge top of first shielding plate 1 is provided with concatenation limiting plate 11, concatenation limiting plate 11 is the rectangle sheet structure, and the inboard edge top of following first shielding plate 1 encorbelments and stretches out, the inboard edge of second shielding plate 2 is located concatenation limiting plate 11 below to realize spacing concatenation.

Further, as shown in fig. 1 and 3, a guide sleeve 8 is respectively disposed on the first shielding plate 1 and the second shielding plate 2, the suspension rod 3 is slidably mounted in the corresponding guide sleeve 8, the two guide sleeves 8 are symmetrically disposed about a boundary between the first shielding plate 1 and the second shielding plate 2, and the guide sleeves 8 are adhered to the corresponding shielding plates or mounted by screws. Furthermore, a circular ring-shaped limiting ring 36 is arranged on the suspension rod 3, the limiting ring 36 is installed on the suspension rod 3 through a pin or a screw, the limiting ring 36 is located above the first shielding plate 1 and the second shielding plate 2 and used for limiting the first shielding plate 1 and the second shielding plate 2 to move upwards, the first shielding plate 1 and the second shielding plate 2 are ensured to be below safe positions, and the safe distance between the shielding plates and an upper 10kV electrified body is ensured.

Further, as shown in fig. 4 and 5, two sets of detachable connectors 9 are arranged between the first shielding plate 1 and the second shielding plate 2 and respectively located at the splicing junctions of the two sides of the round hole formed by splicing the two arc-shaped openings 7, the detachable connectors 9 are respectively arranged on two fixing hooks 91 at the opposite edges of the inner sides of the first shielding plate 1 and the second shielding plate 2, the fixing hooks 91 are arranged on a rectangular mounting substrate 93, and the mounting substrate 93 is mounted on the corresponding shielding plates through screws or rivets, bonding and other modes.

As shown in fig. 19 and 20, two fixing hooks 91 are fitted with elastic pull rings 92. Two fixed hooks 91 are the couple structure of L shape, and the elbow orientation is opposite, and in two fixed hooks 91, the interior tip of one of them fixed hook 91 is provided with location projection 911, and location projection 911 root diameter is greater than the tip diameter, and the interior tip of another fixed hook 91 is provided with the location shrinkage pool 912 with location projection 911 complex, and when two shielding plates splice, location projection 911 can insert and realize the location in the location shrinkage pool 912. Furthermore, a limiting column 913 is arranged at the bottom of an elbow of one of the fixing hooks 91, a distance between the lower end of the limiting column 913 and the mounting substrate 93 is smaller than a cross-sectional diameter of the elastic pull ring 92, so that the elastic pull ring 92 can slide into the lower portion of the elbow of the fixing hook 91 from the lower end of the limiting column 913 under the action of an external force and cannot fall off in a natural state, an annular pull handle 921 is arranged on one side of the elastic pull ring 92, the elastic pull ring 92 is pulled while an operator inserts the pull handle 921 through a finger during actual use, the elastic pull ring 92 is pulled to deform and is sleeved below the elbow of the other fixing hook 91 to realize connection, and the elastic pull ring 92 is made of an elastic material, such as elastic rubber and the like.

The suspender 3 and the handheld rod 6 are light insulating rods, the suspender 3 is an epoxy glass fiber reinforced plastic laminated tube, and can pass the 400mm withstand voltage and leakage current test of 45kV according to the standard. The starting installation position of the shielding plate and the installation position during operation are distinguished on the suspension rod 3 through marks with different colors.

As shown in fig. 9 and 10, the suspension lever 3 is provided at a lower end thereof with a pair of hinge lugs 32, the hinge shaft 31 is positioned between the hinge lugs 32, and a lug receiving hole 33 extending into the suspension lever 3 is provided between the hinge lugs 32.

As shown in fig. 9 and 10, the top end of the handheld rod 6 is provided with a lug 61, the lug 61 is matched with the lug accommodating hole 33 in shape, when the lug 61 is inserted into the lug accommodating hole 33, the lug 61 and the lug accommodating hole 33 are in interference fit or over fit, and the lug 61 cannot slide out of the lug accommodating hole 33 in a natural state and can be pulled out only by an operator.

Specifically, as shown in fig. 9, a long hole 62 is provided in each of the lugs 61, the longitudinal directions of the lugs 61 and the long hole 62 are parallel to the longitudinal direction of the hand lever 6, the hinge shaft 31 is located in the long hole 62, the lugs 61 can be inserted into the lug accommodating holes 33 or pulled out of the lug accommodating holes 33, that is, in the state shown in fig. 9 to 12, and the lugs 61 can be rotated about the hinge shafts 31 to a position where the hand lever 6 is perpendicular to the suspension lever 3 when pulled out of the lug accommodating holes 33, that is, in the state shown in fig. 13 and 14.

Furthermore, the two hinged lugs 32 can clamp the lug 61, so that the handheld rod 6 can not naturally fall down when being perpendicular to the suspension rod 3 and can only swing under the action of external force of an operator, or a damping part can be arranged between the hinged lugs 32 and the lug 61, so that the handheld rod 6 can not naturally fall down when being perpendicular to the suspension rod 3 and can only swing under the action of external force of the operator.

Further, when the hand-held lever 6 is rotated to be perpendicular to the suspension rod 3, it can move in the direction of the suspension rod 3 and be caught at the lower end of the suspension rod 3. In this way, the upper side of the end of the lug 61 can abut against the lower end of the boom 3, thereby preventing the hand lever 6 from accidentally swinging downward, i.e., the state shown in fig. 8, 15, and 16.

As shown in fig. 17, the cross arm lock 4 includes a hook 41, the hook 41 includes an upper plate 411 and a lower plate 412, the ends of the upper plate 411 and the lower plate 412 are connected by a vertical plate 413, the length of the upper plate 411 is greater than that of the lower plate 412, and the end of the upper plate 411 is bent downward to ensure that the hook cannot slide off horizontally when hanging on the cross arm. The bottom of the hook 41 is provided with a vertical threaded hole, specifically, the threaded hole is formed in the lower plate 412, and the top end of the hanger rod 3 is installed in the threaded hole through threads.

As shown in fig. 17, the top end of the suspension rod 3 is provided with a top block 42, the top block 42 is located inside the hook 41, and the top block 42 is rotatably connected with the top end of the suspension rod 3. Specifically, the top of jib 3 sets up double-screw bolt 34, double-screw bolt 34 with the cooperation installation between the screw hole on the flat board 412 down, double-screw bolt 34 is installed through the pin in the hole on jib 3 top, double-screw bolt 34 top is provided with the shrinkage pool, has fixed head 35 through pin fixed mounting in the shrinkage pool, and fixed head 35 lower part is cylindrical, and the top sets up the flange, be provided with the shoulder hole on the kicking block 42, fixed head 35 is located in the shoulder hole, fixed head 35 can rotate in the shoulder hole. The top block 42 can be lifted in the hook 41, and the top block 42 does not rotate under the limit of the inner wall of the vertical plate 413.

As shown in fig. 6, the shade support member 5 includes a support sleeve 51 fitted around the lower end of the boom 3, and the support sleeve 51 is fixed to the boom 3 by a support sleeve fixing bolt 52. The supporting sleeve 51 is U-shaped and clamped on the suspension rod 3, the end part of the fixing bolt 52 of the supporting sleeve is provided with a handle 53, when an operator tightens the handle 53, the supporting sleeve 51 is clamped towards the middle, the shielding plate supporting piece 5 can be fixed on the suspension rod 3, and when the operator loosens the supporting sleeve, the supporting sleeve can slide on the suspension rod 3 or the handheld rod 6. In this embodiment, the diameter of the suspension rod 3 and the diameter of the handheld rod 6 are equal, and when the suspension rod 3 and the handheld rod 6 are coaxial, the supporting sleeve 51 can be moved to the junction of the suspension rod 3 and the handheld rod 6, so as to fix the suspension rod 3 and the handheld rod 6 at the same time, ensure stable connection between the two, and facilitate installation of the shielding plate.

Further, as shown in fig. 21 and 22, the end of the handle 53 is coaxially provided with a circular hole 531 and a regular hexagonal hole 532 matched with the end of the support sleeve fixing bolt 52, the circular hole 531 is smaller than the regular hexagonal hole 532 and larger than the thread section diameter of the support sleeve fixing bolt 52, the regular hexagonal hole 532 can be matched with the regular hexagonal head of the support sleeve fixing bolt 52 to realize a screwing operation, in practical use, when the handle 53 moves inwards along the support sleeve fixing bolt 52, the regular hexagonal hole 532 is separated from the regular hexagonal head, the handle 53 can freely rotate, that is, in the state shown in fig. 21, after rotating to a proper position, the handle 53 moves outwards, the regular hexagonal hole 532 is sleeved on the regular hexagonal head, that is, in the state shown in fig. 22, and then the support sleeve fixing bolt 52 is fastened or loosened, so that the handle does not interfere with the shielding plate above.

The working principle is as follows:

in the practical application of the distribution network maintenance protective umbrella in the embodiment, firstly, the boom 3 and the handheld rod 6 penetrate the first shielding plate 1 and the second shielding plate 2, then the shielding plate support member 5 is installed at the lower end of the boom 3, after the installation is completed, the two booms 3, the first shielding plate 1, the second shielding plate 2 and other parts can be lifted to the installation position below the cross arm of the telegraph pole through a lifting rope and the like, then an operator on the telegraph pole holds the handheld rod 6, hangs the cross arm lock head 4 on the cross arm of the telegraph pole, adjusts the positions of the first shielding plate 1 and the second shielding plate 2 relative to the telegraph pole and the position of the cross arm lock head 4 on the cross arm, hoists and locks the boom 3 on the cross arm of the telegraph pole through the cross arm lock head 4, installs the first shielding plate 1 and the second shielding plate 2 in place in the same way, and then connects the first shielding plate 1 and the second shielding plate 2 together, the two are located the both sides of wire pole respectively, and after the connection, push up first shielding plate 1, second shielding plate 2, make the two respectively push up the spacing ring 36 below that corresponds, ensure that first shielding plate 1, second shielding plate 2 are located below the safe position, adjust to suitable position after, push up shielding plate support piece 5, ensure that shielding plate support piece 5 can withstand first shielding plate 1, second shielding plate 2, then fastening shielding plate support piece 5. Compared with the prior art, the safety distance can be effectively ensured by the limiting ring, when the distribution network is overhauled, the distribution network overhaul protective umbrella is simple in overall structure, light in overall weight, convenient to carry and use, particularly convenient to assemble and disassemble, the overhaul efficiency is effectively improved, and the cost is low. In practical application, the device can be automatically disassembled and assembled by non-live working personnel at a safe distance, and 1 person can easily complete all operations in a short time; the safety of constructors is guaranteed, meanwhile, precious live working resource investment and time cost are saved, and good social and economic benefits are achieved.

In practical application, when the lug 61 is located in the lug accommodating hole 33, the handheld rod 6 and the suspension rod 3 are in a coaxial state, and the lug 61 and the lug accommodating hole 33 are matched and limited, so that the structure between the two is stable, the suspension rod 3 and other components can be conveniently installed through the handheld rod 6, after the suspension rod 3 and the components are installed, the handheld rod 6 can be pulled down, the lug 61 can swing and rotate after being pulled out of the lug accommodating hole 33, at the moment, the handheld rod 6 can swing around the hinge shaft 31 to a position perpendicular to the suspension rod 3, the clamping force of the two hinge ears 32 to the lug 61 keeps the posture still, and then folding is realized, so that the interference on the lower working space is avoided, the structure is simple, the folding is ingenious, the stable connection between the handheld rod 6 and the suspension rod 3 can be realized, and the folding is convenient and quick. In practical application, rotate handheld pole 6 to 3 back movements of jib of perpendicular to jib, the tip of lug 61 can be supported 3 lower extremes of jib, and then avoid handheld pole 6 to lower hem, ensure the gesture after folding stable, avoid interfering below operation space.

During actual installation, two arc openings 7 can block respectively in the both sides of wire pole to hug closely the contact through between soft insulation board 71 and the wire pole, the adaptable pole of different diameters of soft insulation board 71 makes the shielding plate in the not co-altitude of pole, the position of different external diameters, and the shielding plate centre bore homoenergetic that two arc openings 7 formed closely laminates with the pole, forms seamless safety protection structure. The guide sleeve 8 is convenient to slide between the shielding plate and the hanging rod 3, and the use is convenient. In practical application, the hook 41 is hung on a cross arm of a telegraph pole, the top end of the suspender 3 can be propped against the bottom of the cross arm by screwing the suspender 3, and then the cross arm lock head 4 is locked and installed, and the structure is simple and the operation is convenient. When in actual screwing, the top block 42 is abutted against the bottom of the cross arm, and the top block 42 and the top end of the suspender 3 can rotate relatively, so that the suspender 3 can be screwed more smoothly.

In practical application, the tightness of the supporting sleeve 51 can be adjusted by the tightness of the supporting sleeve fixing bolt 52, and the supporting sleeve fixing bolt is simple in structure and convenient to operate. During actual installation, after the two shielding plates are spliced, the elastic pull ring 92 is sleeved on the two fixing hooks 91, so that the two shielding plates can be connected, and the device is simple in structure, convenient to install and reliable in connection.

Example two:

the difference between this embodiment and the first embodiment is:

the mounting structure between the hand-held rod 6 and the suspension rod 3 is different, and is a screw type, specifically, as shown in fig. 23, the hand-held rod 6 is coaxially mounted at the lower end of the suspension rod 3 through a screw thread. The lower end of the suspender 3 is coaxially provided with a threaded hole 37, the top end of the handheld rod 6 is coaxially provided with a threaded column 63, and the threaded column 63 is matched with the threaded hole 37 for installation. Or, a threaded column is arranged at the lower end of the suspension rod 3, and a threaded hole matched with the top end of the handheld rod 6 is arranged at the top end of the handheld rod.

Further, as shown in fig. 24 and 25, a horizontal catching groove 54 is provided in the shade support 5, and the hand-held rod 6 detached from the lower end of the hanger bar 3 can be horizontally caught in the catching groove 54. The upper and lower side walls of the engaging groove 54 are provided with elastic pads 541, and the hand-held lever 6 can be engaged between the two elastic pads 541.

In practical application, after the protective umbrella is installed, the handheld rod 6 can be screwed off and horizontally clamped in the clamping groove 54 of the shielding plate supporting piece 5, so that interference to the space under the umbrella is avoided, and the operation space is larger.

Example three:

the difference between this embodiment and the first embodiment is:

referring collectively to fig. 26-28 and 30-32, the suspension fork assembly further includes a first mounting head 38, a second mounting head 64, the hinge lug 32 is located at the bottom of the first mounting head 38, the lug receiving hole 33 is located at the first mounting head 38, the first mounting head 38 is generally cylindrical and is fixed in the lower end hole of the suspension rod 3 by a pin, and the retainer ring 36 is located outside the upper portion of the first mounting head 38 and is fixed on the suspension rod 3 by the same pin.

As shown in fig. 32, the lug 61 is located at the top of the second mounting head 64, the lower portion of the second mounting head 64 is a cylindrical structure and is fixed in the hole at the top of the handheld rod 6 by a pin, further, two sides of the end of the lug 61 are respectively provided with an elastic column 65, the elastic columns 65 are made of elastic material, such as rubber, one end of each elastic column 65 extends from the side of the lug 61, and the extending end is spherical, correspondingly, the side wall of the lug accommodating hole 33 is provided with a positioning hole 39 matched with the end of the elastic column 65, and when the lug 61 is inserted into the lug accommodating hole 33, the elastic column 65 can be bounced into the positioning hole 39 to realize positioning, so as to prevent the handheld rod 6 from slipping out. Further, the elastic column 65 may be configured as a spring steel ball, that is, a spring is installed in the hole originally used for installing the elastic column 65, and a steel ball is installed at the end of the spring to be matched with the positioning hole 39.

As shown in fig. 27, 29, and 33-35, the shielding plate supporting member 5 of the present embodiment is different from the above embodiments in that it includes an elastic member 55 disposed in the hand-held lever 6, the elastic member 55 is an elastic sheet, a convex portion 551 is disposed on the elastic member 55, and the convex portion 551 protrudes from the side of the hand-held lever 6. The convex part 551 and the elastic body 55 are integrated and can be formed by bending, the outer surface of the convex part 551 is a smooth curved surface, the lower end of the elastic body 55 is fixedly connected with the inner wall of the handheld rod 6, and the upper end of the elastic body can be propped against the inner wall of the other side of the handheld rod 6 to prevent further ejection.

Example four:

the embodiment discloses a method for assembling and disassembling a distribution network maintenance protective umbrella according to the first embodiment and the second embodiment, which comprises the following steps:

s1, mounting

The first set of hand-held levers 6 are arranged coaxially with the boom 3, and in particular, if of a folded configuration, the hand-held levers 6 are turned coaxially with the boom 3 and inserted into the lug-receiving holes 33. If a screw-type structure is adopted, the hand-held lever 6 and the suspension lever 3 may be attached to each other by a screw.

Hand-held rod 6, jib 3 pass first shielding plate 1 in proper order, then penetrate shielding plate support piece 5 from hand-held rod 6 tip to with shielding plate support piece 5 fastening on hand-held rod 6, perhaps, according to actual conditions, also can fasten shielding plate support piece 5 in the juncture of hand-held rod 6, jib 3, and then realize the firm connection between hand-held rod 6, the jib 3, block first shielding plate 1 bottom simultaneously through shielding plate support piece 5 and prevent it to the slip of hand-held rod 6 tip.

Then, according to the same steps, a second group of handheld rods 6 and a hanging rod 3 are penetrated into the second shielding plate 2, a second group of shielding plate supporting pieces 5 are installed, and the bottom of the second shielding plate 2 is blocked by the second group of shielding plate supporting pieces 5 to prevent the second shielding plate from sliding towards the end of the handheld rods 6.

The first group of hanger rods 3 are moved to the lower portion of a cross arm of a telegraph pole, specifically, an operator can climb onto the telegraph pole, then hang the hanger rods 3 onto the telegraph pole through ropes and the like, then hold the handheld rod 6 and lock the cross arm lock head 4 onto the cross arm, specifically, after the hook 41 is hung on the cross arm, the hanger rods 3 and the first shielding plate 1 are moved to proper positions to ensure that the arc-shaped opening 7 and the soft insulating plate 71 are attached to one side of the telegraph pole, then the stud 34 is screwed through rotating the handheld rod 6, and the jacking block 42 upwards jacks at the bottom of the cross arm, so that locking is achieved.

Then locking a cross arm lock head 4 of a second group of hanger rods 3 on a cross arm according to the same steps, wherein a first shielding plate 1 and a second shielding plate 2 are respectively positioned at two sides of a telegraph pole, and then connecting the first shielding plate 1 and the second shielding plate 2; specifically, align and insert location projection 911 in the location shrinkage pool 912, then pulling handle 921 makes elasticity pull ring 92 cover on two fixed hooks 91, and then realizes the high-speed joint between first shielding plate 1, the second shielding plate 2.

The first shielding plate 1 and the second shielding plate 2 are pushed upwards to be respectively abutted to the bottoms of the corresponding limiting rings 36, the distance between the limiting rings 36 and the cross arm lock head 4 can be set according to the requirement of the safety distance of the actual operation environment, the shielding plates are limited below the safety distance, in addition, in order to adjust the position of the limiting rings 36 on the rod, jackscrews can be installed on the limiting rings 36, and the heads of the jackscrews are abutted to the rod.

Then, the two shielding plate supporting pieces 5 are pushed upwards, so that the two shielding plate supporting pieces 5 are fastened after the shielding plate supporting pieces 5 abut against the first shielding plate 1 and the second shielding plate 2. After the installation is completed, if the folding type structure is adopted, the hand-held lever 6 is pulled down, i.e., the state shown in fig. 11, then the hand-held lever 6 is rotated, i.e., the state shown in fig. 13, and then the hand-held lever 6 is pushed horizontally, i.e., the states shown in fig. 8 and 15. If a screwing structure is adopted, the hand-held rod 6 is screwed off, in the screwing process, in order to prevent the cross arm lock head 4 from being unscrewed, when the shielding plate support member 5 is fastened, the shielding plate support member 5 and the limiting ring 36 clamp the shielding plate, the hand-held rod 6 is screwed off by holding the shielding plate support member 5 and the suspension rod 3, and then the hand-held rod 6 is clamped in the corresponding clamping groove 54, namely, the state shown in fig. 24 and 25.

S2, dismantling

If the folding structure is adopted, the horizontal handle holds the rod 6 to the state shown in fig. 13, then swings down to the vertical state shown in fig. 11, and then pushes up the handle rod 6 to the state shown in fig. 9. If the screw-type structure is adopted, the hand-held lever 6 is removed and then screwed to the lower end of the boom 3.

Two groups of shielding plate supporting pieces 5 are respectively loosened and slide downwards to the corresponding handheld rods 6 to be fastened, and the shielding plate supporting pieces 5 can also be moved to the junction of the handheld rods 6 and the hanging rods 3 and fastened according to actual conditions.

Then move down first shielding plate 1, second shielding plate 2, block first shielding plate 1, second shielding plate 2 bottom respectively through two sets of shielding plate support piece 5 and prevent it from sliding to handheld pole 6 tip, unpack first shielding plate 1, second shielding plate 2 apart, then hold first group handheld pole 6 and reverse the screwing, lift cross arm tapered end 4 from the cross arm, move first group jib 3 to ground, follow afterwards according to same step with second group cross arm tapered end 4 lift off from the cross arm to move second group jib 3 to ground.

When the method for assembling and disassembling the protective umbrella for the distribution network maintenance is actually applied, the protective umbrella can be simply and quickly assembled and disassembled, the maintenance efficiency is effectively improved, the protective umbrella can be automatically assembled and disassembled by non-live working personnel outside a safe distance during actual application, and 1 person can easily complete all operations in a short time; the safety of constructors is guaranteed, meanwhile, precious live working resource investment and time cost are saved, and good social and economic benefits are achieved.

Example five:

the present embodiment is different from the fourth embodiment in that:

in the embodiment, the distribution network maintenance protective umbrella described in the third embodiment is adopted, specifically, in the installation process, after the handheld rod 6 is rotated to be coaxial with the hanger rod 3 and inserted into the lug accommodating hole 33, the protrusion 551 is pressed, the protrusion 551 retracts into the handheld rod 6 so as not to influence the penetration of the first shielding plate 1, then the first shielding plate 1 penetrates from the end of the handheld rod 6, and then the protrusion 551 automatically pops out to block the bottom of the first shielding plate 1 to prevent the first shielding plate 1 from sliding towards the end of the handheld rod 6; then, the second group of the hand-held rods 6 and the hanger rods 3 are inserted into the second shielding plate 2 according to the same steps, and the convex portions 551 automatically pop out to block the bottom of the second shielding plate 2 to prevent the second shielding plate from sliding towards the end of the hand-held rods 6.

After the first shielding plate 1 and the second shielding plate 2 are pushed up, the hand lever 6 is pulled down, i.e., in the state shown in fig. 11, the hand lever 6 is then rotated, i.e., in the state shown in fig. 13, and then the hand lever 6 is pushed horizontally, i.e., in the states shown in fig. 8 and 15. Therefore, the handheld rod 6 can be abutted against the bottoms of the first shielding plate 1 and the second shielding plate 2 to support the first shielding plate and the second shielding plate.

In the dismantling process, the handheld rod 6 is adjusted to be in a vertical state, and because the projection 551 is in a normally-popped state, the first shielding plate 1 and the second shielding plate 2 which move downwards can be directly shielded by the projection 551 to prevent slipping, and then the cross arm lock head 4 is dismounted to lift and move the suspender 3 to the ground.

Compared with the fourth embodiment, the present embodiment adopts the bouncing type protrusion 551 instead of the movable support sleeve 51 and the support sleeve fixing bolt 52 in the fourth embodiment, so that the structure is simpler and the use is convenient.

The above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a join in marriage net maintenance umbrella which characterized in that: the portable type shielding plate is characterized by comprising a first shielding plate (1) and a second shielding plate (2) which are detachably connected together, and further comprising two hanging rods (3), wherein a cross arm lock head (4) is arranged at the top end of each hanging rod (3), the lower ends of the two hanging rods (3) penetrate through the first shielding plate (1) and the second shielding plate (2) respectively, limiting rings (36) are arranged on the hanging rods (3), the limiting rings (36) are located above the first shielding plate (1) and the second shielding plate (2), a handheld rod (6) is arranged at the lower end of each hanging rod (3), and further comprising shielding plate supporting pieces (5) located below the first shielding plate (1) and the second shielding plate (2), and the shielding plate supporting pieces (5) are arranged on the hanging rods (3) or the handheld rod (6).

2. Distribution network maintenance protective umbrella according to claim 1, characterized in that: the handheld rod (6) is hinged to the lower end of the hanging rod (3), and a hinged shaft (31) at the lower end of the hanging rod (3) is perpendicular to the hanging rod (3) and the handheld rod (6); the lower end of the hanger rod (3) is provided with a pair of hinge lugs (32), the hinge shaft (31) is positioned between the two hinge lugs (32), and a lug accommodating hole (33) extending towards the interior of the hanger rod (3) is arranged between the two hinge lugs (32);

the top end of the handheld rod (6) is provided with a convex lug (61), the convex lug (61) is provided with a long hole (62), the length directions of the convex lug (61) and the long hole (62) are parallel to the length direction of the handheld rod (6), the hinge shaft (31) is positioned in the long hole (62), the convex lug (61) can be inserted into the convex lug accommodating hole (33) or pulled out of the convex lug accommodating hole (33), and the convex lug (61) can rotate around the hinge shaft (31) to a position where the handheld rod (6) is perpendicular to the hanging rod (3) when being pulled out of the convex lug accommodating hole (33).

3. The distribution network maintenance protective umbrella of claim 2, wherein: when the handheld rod (6) rotates to be perpendicular to the suspender (3), the handheld rod can move towards the suspender (3) and is clamped at the lower end of the suspender (3).

4. Distribution network service protective umbrella according to claim 2, characterized in that: the shielding plate support member (5) comprises an elastic body (55) arranged in the handheld rod (6), wherein a convex part (551) is arranged on the elastic body (55), and the convex part (551) extends out of the side surface of the handheld rod (6).

5. Distribution network maintenance protective umbrella according to claim 1, characterized in that: the handheld rod (6) is coaxially arranged at the lower end of the suspender (3) through threads.

6. Distribution network maintenance protective umbrella according to claim 1, characterized in that: the edge that first shielding plate (1), second shielding plate (2) inboard are relative sets up an arc opening (7) respectively, and two arc openings (7) set up relatively, arc opening (7) edge is provided with soft insulation board (71).

7. The distribution network maintenance protective umbrella of claim 1, wherein: the cross arm lock head (4) comprises a hook (41), a vertical threaded hole is formed in the bottom of the hook (41), and the top end of the suspender (3) is installed in the threaded hole through threads; the top of jib (3) is provided with kicking block (42), kicking block (42) are located couple (41) are inboard, kicking block (42) with rotate between jib (3) top and be connected.

8. Distribution network maintenance protective umbrella according to claim 1, characterized in that: the shielding plate supporting piece (5) comprises a supporting sleeve (51) sleeved on the lower end of the suspension rod (3), and the supporting sleeve (51) is fixed on the suspension rod (3) through a supporting sleeve fixing bolt (52).

9. The distribution network maintenance protective umbrella of claim 1, wherein: be provided with between first shielding plate (1), the second shielding plate (2) and dismantle connecting piece (9), can dismantle connecting piece (9) including setting up respectively two fixed hooks (91) of the relative edge in first shielding plate (1), the second shielding plate (2) inboard, the cover is equipped with elasticity pull ring (92) on two fixed hooks (91).

10. A method for assembling and disassembling a distribution network maintenance protective umbrella according to any one of claims 1 to 9, which is characterized in that: the method comprises the following steps:

s1, mounting

The first group of handheld rods (6) and the hanger rods (3) are coaxially arranged, the handheld rods (6) and the hanger rods (3) sequentially penetrate through the first shielding plate (1), and then the bottom of the first shielding plate (1) is shielded by the shielding plate supporting piece (5) to prevent the first shielding plate (1) from sliding towards the end parts of the handheld rods (6); then, penetrating a second group of handheld rods (6) and a hanging rod (3) into a second shielding plate (2) according to the same steps, and blocking the bottom of the second shielding plate (2) through a second group of shielding plate supporting pieces (5) to prevent the second shielding plate from sliding towards the end part of the handheld rods (6);

moving the first group of hanger rods (3) to the lower part of a cross arm of a telegraph pole, holding the handheld rod (6) and locking the cross arm lock head (4) on the cross arm, then locking the cross arm lock head (4) of the second group of hanger rods (3) on the cross arm according to the same steps, respectively positioning the first shielding plate (1) and the second shielding plate (2) at two sides of the telegraph pole, and then connecting the first shielding plate (1) and the second shielding plate (2);

the first shielding plate (1) and the second shielding plate (2) are pushed upwards to respectively abut against the bottoms of the corresponding limiting rings (36), and then abut against the bottoms of the first shielding plate (1) and the second shielding plate (2);

s2, dismantling

The parts which are propped against the bottoms of the first shielding plate (1) and the second shielding plate (2) are removed, the first shielding plate (1) and the second shielding plate (2) move downwards, the bottoms of the first shielding plate (1) and the second shielding plate (2) are respectively blocked by the two groups of shielding plate supporting pieces (5) to prevent the first shielding plate and the second shielding plate from sliding towards the end part of the handheld rod (6), the first shielding plate (1) and the second shielding plate (2) are disassembled, then the first group of handheld rod (6) is held, the cross arm lock head (4) is disassembled from the cross arm, the first group of suspender (3) is moved to the ground, then the second group of cross arm lock head (4) is disassembled from the cross arm according to the same steps, and the second group of suspender (3) is moved to the ground.

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