CN218407263U - Insulating ladder for electric power overhaul - Google Patents

Abstract

The utility model discloses an electric power overhauls insulating ladder, including the ladder main part, the ladder main part includes two spinal branch vaulting poles and a plurality of pedal horizontal pole, and the both ends fixed connection of pedal horizontal pole is on the corresponding bracing piece, the bottom fixed mounting of bracing piece has retractable main leg, and retractable auxiliary leg still is installed in the upper end of retractable main leg in a rotating manner, is provided with two connecting rod folding arms between retractable main leg and the retractable auxiliary leg, and two ends of two connecting rod folding arms are connected with retractable main leg, retractable auxiliary leg through the round pin axle respectively in a rotating manner; the bottom ends of the telescopic main supporting legs and the telescopic auxiliary supporting legs are hinged with supporting foot discs. The utility model has the advantages of reasonable design, the operation can be put at the uneven subaerial operation of complicacy to insulating ladder, and the top of insulating ladder can be taken and leaned on and use on the wall, also can stabilize the package and press from both sides on the electric wire column, and the suitability is better.

Description

Insulating ladder for electric power overhaul

Technical Field

The utility model relates to an electric power overhaul ladder technical field specifically is an electric power overhaul insulating ladder.

Background

With the popularization and application of the modern power internet of things technology, all outdoor and indoor transformers in rural and urban areas need to be provided with intelligent distribution and Transformation Terminal (TTU) equipment, the running voltage, current, load, temperature and other information of the transformers are monitored through the intelligent distribution and Transformation Terminal (TTU) equipment, remote adjustment can be carried out through the intelligent distribution and Transformation Terminal (TTU) according to actual working requirements, and safe running of the transformers is guaranteed. When installing a smart distribution terminal (TTU) on each transformer, power personnel typically use an insulated ladder or other climbing tool.

The supporting legs of the existing insulating ladder do not have telescopic adjusting capacity, and when the insulating ladder is placed on outdoor uneven ground, the bottoms of the supporting legs of the insulating ladder are often required to be padded and leveled, so that the insulating ladder can be placed in a correct position, and the placing operation is relatively troublesome; in addition, the existing insulating ladder is usually only suitable for being abutted against a wall body with a flat side wall and is not suitable for being abutted against a wire column, and when a transformer on the wire column is provided with an intelligent distribution terminal (TTU), other climbing tools can be adopted.

How to design an insulating ladder, can adapt to complicated not level ground, and the top of insulating ladder can be used by lapping on the wall, also can stabilize the package and press from both sides on the electric wire column, makes it have good suitability, becomes the problem that this application needs to solve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric power overhauls insulating ladder to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an electric power overhaul insulating ladder comprises a ladder main body, wherein the ladder main body comprises two support rods and a plurality of pedal cross rods, two ends of each pedal cross rod are fixedly connected to the corresponding support rods, a telescopic main supporting leg is fixedly installed at the bottom end of each support rod, a telescopic auxiliary supporting leg is further rotatably installed at the upper end of each telescopic main supporting leg, a two-connecting-rod folding arm is arranged between each telescopic main supporting leg and each telescopic auxiliary supporting leg, and two ends of each two-connecting-rod folding arm are respectively connected with the telescopic main supporting leg and the telescopic auxiliary supporting leg in a rotating fit manner through a pin shaft;

the bottom ends of the telescopic main supporting leg and the telescopic auxiliary supporting leg are hinged with supporting foot discs.

Preferably, the telescopic main supporting leg and the telescopic auxiliary supporting leg both adopt telescopic leg mechanisms with the same structure, each telescopic leg mechanism comprises an external cylinder shell, an internal cylinder and an internal screw rod, the internal screw rod is rotatably mounted in the external cylinder shell, the internal cylinder is vertically movably inserted into the lower end of the inside of the external cylinder shell, a nut seat is fixedly mounted at the upper end of the internal cylinder, and the nut seat is sleeved on the internal screw rod in a threaded fit manner;

the inner screw rod is fixedly provided with a driven bevel gear, the side wall of the outer cylinder shell is rotatably provided with an outer knob part, the inner side end of the outer knob part is fixedly provided with a driving bevel gear, and the driving bevel gear is meshed with the driven bevel gear.

Preferably, the bottom end of the inner cylinder is fixedly provided with a bottom screw, the bottom of the bottom screw is provided with a hinged ball head, and the bottom screw is hinged with a supporting foot disc through the hinged ball head.

Preferably, the top end of the supporting rod is also provided with a top hoop device, and the top hoop device comprises a rotating seat plate, an angle adjusting and limiting mechanism and a hoop clamping assembly;

the hoop clamping assembly comprises a hoop clamping seat plate, a top electric push rod and a top semicircular hoop, the top electric push rod is fixedly mounted on the hoop clamping seat plate, a top butt joint seat is fixedly mounted on the telescopic end of the top electric push rod, and the top semicircular hoop used for clamping the electric wire column is mounted on the top butt joint seat;

the lower end face of the hoop clamping seat plate is connected and assembled with the rotating seat plate through an angle adjusting limiting mechanism, and the side end of the rotating seat plate is connected with the top side wall of the supporting rod in a rotating matching mode through a damping rotating shaft.

Preferably, the angle adjusting and limiting mechanism comprises an adjusting column, an upper end face fluted disc, a lower end face fluted disc, a limiting spring, an upper nut disc and a lower nut disc, the lower end of the adjusting column is sleeved with the upper nut disc and the lower nut disc in a threaded fit manner, the lower end of the adjusting column penetrates through the rotating seat plate, the upper nut disc is pressed on the upper end face of the rotating seat plate, and the lower nut disc is pressed on the lower end face of the rotating seat plate;

the adjusting column is vertically and movably sleeved with a lower end face fluted disc, the adjusting column is also sleeved with a limiting spring, the upper end of the limiting spring is in abutting connection with the lower end face fluted disc, and the upper end of the limiting spring is in abutting connection with an upper nut disc;

the upper end face of the upper end face fluted disc is fixedly connected with the lower end face of the hoop clamping seat plate, the upper end of the adjusting column is movably inserted into the upper end face fluted disc, and the top end of the adjusting column is in rotating fit connection with the hoop clamping seat plate through a pin bolt;

and under the elastic force action of the limiting spring, the lower end face fluted disc is meshed and connected with the upper end face fluted disc.

Preferably, the middle part of the top semicircular hoop is connected with the top butt joint seat in a rotating fit manner through a middle pin shaft, end connecting rods are further arranged at two ends of the top semicircular hoop in an extending manner, the end connecting rods are connected with top guide rods in a rotating manner through end pin shafts, and the top guide rods are movably inserted into top guide blocks fixed on the hoop clamping seat plate;

the central axes of the middle pin shaft and the end pin shaft are arranged in a collinear way.

Preferably, still install middle part staple bolt supporting component on the pedal horizontal pole, middle part staple bolt supporting component includes sleeve support, middle part electric putter and middle part semicircle staple bolt, the sleeve support suit is fixed on pedal horizontal pole, and fixed mounting has middle part electric putter on the sleeve support, and middle part electric putter's flexible fixed mounting has the middle part to the seat, installs the middle part semicircle staple bolt that is used for carrying out the cladding to the electric wire column on the middle part to the seat.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an electric power overhauls insulating ladder has a pair of retractable main landing leg and a pair of retractable auxiliary leg, and insulating ladder bottom has four fulcrums to support, supports reliable and stable, can avoid insulating ladder crooked or slippage appear when the operation of complicated uneven ground, operation safety in utilization;

2. the support foot disc which is hinged to the ground is contacted with the ground, so that the grounding area of the bottom of the insulating ladder can be increased, and the support stabilizing effect is further improved;

3. the wire column can be clamped through the two top semicircular hoops, so that the insulating ladder can be prevented from shaking around the wire column; treat two top semicircle staple bolts and grasp the electric wire column after, middle part electric putter extension for middle part semicircle staple bolt also can the cladding on the electric wire column, thereby makes whole insulating ladder take on the electric wire column to lean on more reliable and more stable.

The utility model has the advantages of reasonable design, the operation can be put at the uneven subaerial operation of complicacy to insulating ladder, and the top of insulating ladder can be taken and leaned on and use on the wall, also can stabilize the package and press from both sides on the electric wire column, and the suitability is better.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of the present invention engaged with an electric wire column;

FIG. 2 is an enlarged schematic view of the present invention at A;

fig. 3 is a schematic front view of the present invention engaged with an electric wire column;

fig. 4 is an enlarged schematic structural view at B of the present invention;

fig. 5 is a schematic side view of the present invention engaged with a wire column;

fig. 6 is a schematic structural view of the telescopic main leg of the present invention;

fig. 7 is a schematic perspective view of the hoop clamping assembly of the present invention;

fig. 8 is a schematic perspective view of the middle hoop support assembly of the present invention;

fig. 9 is a schematic perspective view of the angle adjusting and limiting mechanism of the present invention;

FIG. 10 is a schematic side view of the angle adjusting and limiting mechanism;

fig. 11 is a schematic structural view of a section C-C of the angle adjustment limiting mechanism.

In the figure: 100-wire column, 1-support bar, 11-pedal cross bar, 2-telescopic main leg, 21-support foot plate, 22-external knob portion, 23-external cylinder shell, 24-internal lead screw, 25-driven bevel gear, 26-internal cylinder, 27-nut seat, 28-drive bevel gear, 29-bottom screw, 3-telescopic auxiliary leg, 4-two-link folding arm, 5-middle hoop support component, 51-middle semicircular hoop, 52-middle butt seat, 521-middle guide bar, 53-middle electric push rod, 54-sleeve seat, 6-top hoop device, 61-top semicircular hoop, 611-middle pin shaft, 612-end pin shaft, 62-top butt seat, 621-top guide bar, 63-top electric push rod;

64-anchor ear clamping seat plate, 641-pin shaft bolt, 65-angle adjusting and limiting mechanism, 651-adjusting column, 652-guide key block, 653-lower end face fluted disc, 654-limiting spring, 655-upper nut disc, 656-lower nut disc and 657-upper end face fluted disc.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 11, an electric power overhaul insulating ladder comprises a ladder main body, wherein the ladder main body comprises two support rods 1 and a plurality of pedal cross rods 11, two ends of each pedal cross rod 11 are fixedly connected to the corresponding support rod 1, a telescopic main leg 2 is fixedly installed at the bottom end of each support rod 1, a telescopic auxiliary leg 3 is further rotatably installed at the upper end of each telescopic main leg 2, two connecting rod folding arms 4 are arranged between each telescopic main leg 2 and each telescopic auxiliary leg 3, and two ends of each two connecting rod folding arm 4 are respectively connected with each telescopic main leg 2 and each telescopic auxiliary leg 3 in a rotating fit manner through a pin shaft; the two-link folding arm 4 is composed of two link arms hinged to each other, and the end parts of the two link arms are connected with the telescopic main supporting leg 2 and the telescopic auxiliary supporting leg 3 in a rotating fit mode through pin shafts respectively.

The bottom ends of the telescopic main supporting leg 2 and the telescopic auxiliary supporting leg 3 are hinged with a supporting foot disc 21.

The utility model discloses a theory of operation is: the utility model discloses an electric power overhauls insulating ladder has a pair of retractable main leg 2 and a pair of retractable auxiliary leg 3, when placing insulating ladder on the undulation ground, when putting right insulating ladder, the supporting leg dish 21 of one of them retractable main leg 2 keeps in contact with ground earlier, at this moment, adjust the length of another retractable main leg 2 earlier, make the supporting leg dish 21 of this retractable main leg 2 also ground contact, then, rotate and open retractable auxiliary leg 3, make two connecting rod folding arms 4 extend completely, then, adjust the length of two retractable auxiliary legs 3, make the supporting leg dish 21 of two retractable auxiliary legs 3 all contact with ground, insulating ladder bottom at this moment has four fulcrums to support, support stable and reliable, can avoid insulating ladder appear crooked or slippage when complicated uneven ground operation, operation is safe in utilization; the supporting foot disc 21 which is hinged to the ground is in contact with the ground, so that the grounding area of the bottom of the insulating ladder can be increased, and the supporting and stabilizing effect is further improved.

In this embodiment, as a specific scheme, the telescopic main supporting legs 2 and the telescopic auxiliary supporting legs 3 all adopt telescopic leg mechanisms having the same structure, each telescopic leg mechanism includes an outer cylinder shell 23, an inner cylinder 26 and an inner lead screw 24, the inner lead screw 24 is rotatably mounted in the outer cylinder shell 23, the inner cylinder 26 is vertically movably inserted into the lower end of the inside of the outer cylinder shell 23, the upper end of the inner cylinder 26 is fixedly mounted with a nut seat 27, and the nut seat 27 is sleeved on the inner lead screw 24 through thread fit;

a driven bevel gear 25 is fixedly mounted on the inner lead screw 24, an outer knob portion 22 is rotatably mounted on the side wall of the outer barrel shell 23, a driving bevel gear 28 is fixedly mounted at the inner side end of the outer knob portion 22, and the driving bevel gear 28 is in meshed connection with the driven bevel gear 25.

By rotating the outer knob part 22 in the forward direction or the reverse direction, the outer knob part 22 drives the driving bevel gear 28 to rotate, the rotating driving bevel gear 28 drives the driven bevel gear 25 to rotate, the rotating driven bevel gear 25 drives the inner lead screw 24 to rotate, and the inner lead screw 24 drives the nut seat 27 and the inner cylinder 26 to extend or contract along the outer cylinder shell 23, so that the length adjustment of the telescopic leg mechanism is realized, and the operation and the use are convenient.

In this embodiment, the bottom end of the inner cylinder 26 is fixedly installed with a bottom screw 29, the bottom screw 29 has an articulated ball at the bottom, and the bottom screw 29 is articulated with the supporting foot plate 21 through the articulated ball. The mounting structure of the supporting foot disc 21 is reasonable in design, convenient and rapid to assemble and capable of adapting to the complex and uneven ground.

In this embodiment, in order to enable the insulating ladder to stably lap on the electric wire column 100, the top end of the supporting rod 1 is further provided with a top hoop device 6, and the top hoop device 6 includes a rotating seat plate 66, an angle adjusting and limiting mechanism 65 and a hoop clamping assembly;

the hoop clamping assembly comprises a hoop clamping seat plate 64, a top electric push rod 63 and a top semicircular hoop 61, the top electric push rod 63 is fixedly mounted on the hoop clamping seat plate 64, a top butt joint seat 62 is fixedly mounted on a telescopic end of the top electric push rod 63, and the top semicircular hoop 61 used for clamping the electric wire column 100 is mounted on the top butt joint seat 62;

the lower end face of the hoop clamping seat plate 64 is connected and assembled with the rotating seat plate 66 through an angle adjusting limiting mechanism 65, and the side end of the rotating seat plate 66 is connected with the top side wall of the supporting rod 1 in a rotating matching mode through a damping rotating shaft. The rotation between the rotating seat plate 66 and the support rod 1 has a certain damping friction force.

When putting insulating ladder on electric wire column 100, start top electric putter 63, top electric putter 63 drive top semicircle staple bolt 61 is close to electric wire column 100, can grasp electric wire column 100 through two top semicircle staple bolts 61, can avoid insulating ladder to rock around electric wire column 100.

In the present embodiment, as a specific scheme, the angle adjustment limiting mechanism 65 includes an adjustment column 651, an upper end face toothed disc 657, a lower end face toothed disc 653, a limiting spring 654, an upper nut disc 655 and a lower nut disc 656, the lower end of the adjustment column 651 is sleeved with the upper nut disc 655 and the lower nut disc 656 by screw thread fit, the lower end of the adjustment column 651 passes through the rotating base plate 66, the upper nut disc 655 presses against the upper end face of the rotating base plate 66, and the lower nut disc 656 presses against the lower end face of the rotating base plate 66;

the lower end face toothed disc 653 is vertically movably sleeved on the adjusting column 651, a limiting spring 654 is further sleeved on the adjusting column 651, the upper end of the limiting spring 654 is in abutting connection with the lower end face toothed disc 653, and the upper end of the limiting spring 654 is in abutting connection with the upper nut disc 655;

obviously, the adjusting post 651 can also be embedded with a guide key block 652, the lower end face toothed disc 653 is simultaneously matched on the guide key block 652, and the lower end face toothed disc 653 can only move up and down under the guiding action of the guide key block 652 and cannot rotate relative to the adjusting post 651.

The upper end of the upper end face fluted disc 657 is fixedly connected with the lower end face of the hoop clamping seat plate 64, the upper end of the adjusting column 651 is movably inserted into the upper end face fluted disc 657, and the top end of the adjusting column 651 is connected with the hoop clamping seat plate 64 in a rotating fit manner through a pin bolt 641;

the lower end face disk 653 is engaged with the upper end face disk 657 by the elastic force of the stopper spring 654.

The middle part of the top semicircular hoop 61 is connected with the top butt-joint seat 62 in a rotating fit manner through a middle pin shaft 611, end connecting rods are further arranged at two ends of the top semicircular hoop 61 in an extending manner, the end connecting rods are connected with top guide rods 621 in a rotating manner through end pin shafts 612, and the top guide rods 621 are movably inserted into top guide blocks fixed on the hoop clamping seat plate 64; the central axis of the middle pin 611 is collinear with the central axis of the end pin 612. In specific application, the middle pin shaft 611 and the end pin shaft 612 can both adopt damping pin shafts, and the rotation between the top semicircular hoop 61 and the top butt joint seat 62 has certain damping friction force.

When an insulating ladder is placed on the electric wire column 100, the hoop clamping seat plate 64 and the rotating seat plate 66 can be locked through the angle adjusting and limiting mechanism 65, so that the opening directions of the two top semicircular hoops 61 face to the electric wire column 100;

when not putting insulating ladder on electric wire column 100, can overcome the elasticity of spacing spring 654, pull lower part end face fluted disc 653 downwards for lower part end face fluted disc 653 breaks away from upper part end face fluted disc 657, at this moment, can rotate staple bolt centre gripping bedplate 64, thereby change the installation angle of whole staple bolt centre gripping subassembly, still can rotate top semicircle staple bolt 61 relative top butt joint seat 62, avoid influencing insulating ladder and take on the wall and lean on the use.

As other embodiments, the side of the rotating seat plate 66 can also be connected with the top side wall of the support rod 1 through the angle adjusting and limiting mechanism 65 in a rotating fit manner, and the top electric push rod 63 of the hoop clamping assembly can be adjusted to face the wall surface in the extending and retracting direction, the top guide rod 621 is adjusted in the extending and retracting direction through the top electric push rod 63, the free end of the top guide rod 621 is in supporting contact with the wall surface, so that the ladder body can be adapted to the uneven wall surface, and the ladder body can be always kept in a righting state.

In this embodiment, as specific scheme, still install middle part staple bolt supporting component 5 on the pedal horizontal pole 11, middle part staple bolt supporting component 5 includes sleeve support 54, middle part electric putter 53 and middle part semicircle staple bolt 51, the sleeve support 54 suit is fixed on pedal horizontal pole 11, and fixed mounting has middle part electric putter 53 on the sleeve support 54, and the flexible fixed mounting of middle part electric putter 53 has middle part butt joint seat 52, installs the middle part semicircle staple bolt 51 that is used for carrying out the cladding to electric wire column 100 on the middle part butt joint seat 52.

Treat two top semicircle staple bolts 61 with electric wire column 100 after the centre gripping, middle part electric putter 53 extends for middle part semicircle staple bolt 51 also can the cladding on electric wire column 100, thereby makes whole insulating ladder more reliable and more stable of taking on electric wire column 100.

Obviously, the middle semicircular hoop 51 can also be connected with the middle docking seat 52 by a middle pin 611 in a rotating fit manner, end connecting rods can also be arranged at two ends of the middle semicircular hoop 51 in an extending manner, the end connecting rods are rotatably connected with a middle guide rod 521 by an end pin 612, and the middle guide rod 521 is movably inserted into a top guide block fixed on the sleeve support 54.

An electroscope can be further installed on the top end of the supporting rod 1 and used for reminding an operator of power supply, paying attention to operation safety and guaranteeing life safety of the operator.

In the present invention, the terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only the terms determined for convenience of describing the structural relationship of each component or element of the present invention, and are not specific to any component or element of the present invention, and are not to be construed as limiting the present invention.

Claims (7)

1. The utility model provides an electric power overhauls insulating ladder, includes the ladder main part, and the ladder main part includes two spinal branch vaulting poles (1) and a plurality of pedal horizontal pole (11), and the both ends fixed connection of pedal horizontal pole (11) is on bracing piece (1) that corresponds, its characterized in that: the telescopic auxiliary leg support is characterized in that a telescopic main leg support (2) is fixedly mounted at the bottom end of the supporting rod (1), a telescopic auxiliary leg support (3) is further rotatably mounted at the upper end of the telescopic main leg support (2), a two-connecting-rod folding arm (4) is arranged between the telescopic main leg support (2) and the telescopic auxiliary leg support (3), and two ends of the two-connecting-rod folding arm (4) are respectively connected with the telescopic main leg support (2) and the telescopic auxiliary leg support (3) in a rotating fit manner through pin shafts;

the bottom ends of the telescopic main supporting legs (2) and the telescopic auxiliary supporting legs (3) are hinged with supporting foot discs (21).

2. An electric power overhaul insulation ladder as claimed in claim 1, wherein: the telescopic main supporting leg (2) and the telescopic auxiliary supporting leg (3) both adopt telescopic leg mechanisms with the same structure, each telescopic leg mechanism comprises an outer cylinder shell (23), an inner cylinder body (26) and an inner lead screw (24), the inner lead screw (24) is rotatably mounted in the outer cylinder shell (23), the inner cylinder body (26) is vertically movably inserted at the lower end in the outer cylinder shell (23), a nut seat (27) is fixedly mounted at the upper end of the inner cylinder body (26), and the nut seat (27) is sleeved on the inner lead screw (24) in a threaded fit manner;

the internal screw rod (24) is further fixedly provided with a driven bevel gear (25), the side wall of the external cylinder shell (23) is further rotatably provided with an external knob part (22), the inner side end of the external knob part (22) is fixedly provided with a driving bevel gear (28), and the driving bevel gear (28) is meshed with the driven bevel gear (25).

3. An electric power overhaul insulation ladder according to claim 2, wherein: the bottom end of the inner cylinder (26) is fixedly provided with a bottom screw (29), the bottom of the bottom screw (29) is provided with a hinged ball head, and the bottom screw (29) is hinged with a supporting foot disc (21) through the hinged ball head.

4. An electric power overhaul insulation ladder according to claim 1, wherein: the top end of the supporting rod (1) is also provided with a top hoop device (6), and the top hoop device (6) comprises a rotating seat plate (66), an angle adjusting and limiting mechanism (65) and a hoop clamping assembly;

the hoop clamping assembly comprises a hoop clamping seat plate (64), a top electric push rod (63) and a top semicircular hoop (61), the top electric push rod (63) is fixedly installed on the hoop clamping seat plate (64), a top butt joint seat (62) is fixedly installed at the telescopic end of the top electric push rod (63), and the top semicircular hoop (61) used for clamping the electric wire column (100) is installed on the top butt joint seat (62);

the lower end face of the hoop clamping seat plate (64) is connected and assembled with a rotating seat plate (66) through an angle adjusting limiting mechanism (65), and the side end of the rotating seat plate (66) is connected with the top side wall of the supporting rod (1) in a rotating matching mode through a damping rotating shaft.

5. An electric power overhaul insulation ladder as claimed in claim 4, wherein: the angle adjusting and limiting mechanism (65) comprises an adjusting column (651), an upper end face toothed disc (657), a lower end face toothed disc (653), a limiting spring (654), an upper nut disc (655) and a lower nut disc (656), the lower end of the adjusting column (651) is sleeved with the upper nut disc (655) and the lower nut disc (656) in a threaded fit manner, the lower end of the adjusting column (651) penetrates through the rotating base plate (66), the upper nut disc (655) is pressed on the upper end face of the rotating base plate (66), and the lower nut disc (656) is pressed on the lower end face of the rotating base plate (66);

the adjusting column (651) is vertically and movably sleeved with a lower end face toothed disc (653), the adjusting column (651) is further sleeved with a limiting spring (654), the upper end of the limiting spring (654) is in abutting connection with the lower end face toothed disc (653), and the upper end of the limiting spring (654) is in abutting connection with the upper nut disc (655);

the upper end of the upper end face fluted disc (657) is fixedly connected to the lower end face of the hoop clamping seat plate (64), the upper end of the adjusting column (651) is movably inserted into the upper end face fluted disc (657), and the top end of the adjusting column (651) is connected with the hoop clamping seat plate (64) in a rotating fit mode through a pin bolt (641);

under the elastic force of the limiting spring (654), the lower end face toothed disc (653) is meshed with the upper end face toothed disc (657).

6. An electric power overhaul insulation ladder as claimed in claim 5, wherein: the middle part of the top semicircular hoop (61) is connected with the top butt joint seat (62) in a rotating fit mode through a middle pin shaft (611), end connecting rods are further arranged at two ends of the top semicircular hoop (61) in an extending mode, the end connecting rods are connected with top guide rods (621) in a rotating mode through end pin shafts (612), and the top guide rods (621) are movably inserted into top guide blocks fixed on the hoop clamping seat plate (64);

the central axis of the middle pin shaft (611) and the central axis of the end pin shaft (612) are arranged in a collinear way.

7. An electric power overhaul insulation ladder as claimed in any one of claims 4 to 6 wherein: still install middle part staple bolt supporting component (5) on pedal horizontal pole (11), middle part staple bolt supporting component (5) include sleeve support (54), middle part electric putter (53) and middle part semicircle staple bolt (51), sleeve support (54) suit is fixed on pedal horizontal pole (11), and fixed mounting has middle part electric putter (53) on sleeve support (54), and the flexible fixed mounting of middle part electric putter (53) has middle part butt joint seat (52), installs on middle part butt joint seat (52) and is used for carrying out middle part semicircle staple bolt (51) of cladding to electric wire column (100).

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