CN114109234A - Folding ladder for electric power operation - Google Patents
Folding ladder for electric power operation Download PDFInfo
- Publication number
- CN114109234A CN114109234A CN202111206602.9A CN202111206602A CN114109234A CN 114109234 A CN114109234 A CN 114109234A CN 202111206602 A CN202111206602 A CN 202111206602A CN 114109234 A CN114109234 A CN 114109234A
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- Prior art keywords
- ladder
- sliding
- main
- main ladder
- auxiliary
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/20—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles
- E06C1/22—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles with extensible, e.g. telescopic, ladder parts or struts
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/02—Extending means
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/06—Securing devices or hooks for parts of extensible ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
本发明提出了一种电力作业用折叠梯，包括基座、主梯以及副梯，基座上沿基座长度方向开设有调节通道，调节通道上方设置有支护组件，调节通道下方开设有用于放置副梯的收纳通道；主梯设置有滑动组件，滑动组件滑动设置在调节通道内，支护组件与主梯相配合以用于固定主梯，主梯上活动设置有限位组件；副梯滑动设置在主梯上，主梯通过提升组件与副梯连接，限位组件与副梯相配合以用于副梯在提升后保持固定。通过基座、主梯以及支护组件组成的三角形稳定支撑结构，大大提高主梯和副梯的稳定性，在整体装置折叠时，通过折叠主梯后，将主梯推回原始位置后利用支护组件卡固主梯，收纳通道容纳卡固副梯，整体保持固定，便于整体携带搬运。
The invention provides a folding ladder for electric operation, which includes a base, a main ladder and an auxiliary ladder. An adjustment channel is opened on the base along the length direction of the base, a support component is arranged above the adjustment channel, and a The storage channel where the auxiliary ladder is placed; the main ladder is provided with a sliding component, the sliding component is slidably arranged in the adjustment channel, the supporting component cooperates with the main ladder to fix the main ladder, and the main ladder is movably provided with a limit component; the auxiliary ladder slides It is arranged on the main ladder, the main ladder is connected with the auxiliary ladder through the lifting component, and the limit component is matched with the auxiliary ladder for keeping the auxiliary ladder fixed after the lifting. The stability of the main ladder and the auxiliary ladder is greatly improved by the triangular stable support structure composed of the base, the main ladder and the supporting components. The guard assembly is clamped to the main ladder, and the storage channel accommodates the clamped auxiliary ladder, which is kept fixed as a whole, which is convenient for overall carrying.
Description
Technical Field
The invention relates to the technical field of electric power engineering, in particular to a folding ladder for electric power operation.
Background
The power failure number is the important index of examination power supply enterprise in power operation, power supply enterprise is inside to carry out a large amount of technical improvement in order to guarantee power supply stability, wherein guarantee the power supply, when reducing the power failure frequency, most live working, live working means to overhaul on high-voltage electrical equipment without power failure, live working mainly uses in the power plant, the transformer substation, transmission and distribution lines etc. because equipment or circuit position require in live working, need be equipped with a large amount of operation equipment usually, wherein when higher position live working, need carry the insulating ladder and carry out the operation, but the insulating ladder that is equipped with at present wholly function singlely, poor stability, and need three at least people cooperation usually when the operation, a large amount of manpowers have been wasted.
Disclosure of Invention
The invention provides a folding ladder for electric power operation, which aims at the technical problems of single overall function and poor stability of an insulation ladder in the existing live-wire operation.
In order to solve the above problems, the technical solution of the present invention is realized as follows:
the embodiment of the invention discloses a folding ladder for electric power operation, which comprises:
the base is provided with an adjusting channel along the length direction of the base, a supporting assembly is arranged above the adjusting channel, and a containing channel for placing an auxiliary ladder is arranged below the adjusting channel;
the main ladder is provided with a sliding assembly, the sliding assembly is arranged in the adjusting channel in a sliding mode, the supporting assembly is matched with the main ladder to fix the main ladder, and the main ladder is movably provided with a limiting assembly;
the auxiliary ladder is arranged on the main ladder in a sliding mode, the main ladder is connected with the auxiliary ladder through a lifting assembly, and the limiting assembly is matched with the auxiliary ladder to be used for keeping the auxiliary ladder fixed after lifting.
According to the triangular stable supporting structure formed by the base, the main ladder and the supporting assembly, the stability of the main ladder and the auxiliary ladder is greatly improved, when the integral device is folded, the main ladder is pushed back to the original position after being folded, the main ladder is clamped and fixed by the supporting assembly, the accommodating channel accommodates and clamps the auxiliary ladder, the integral device is kept fixed, and the integral device is convenient to carry and transport.
Preferably, the supporting assembly comprises two groups of supporting rods, the two groups of supporting rods are connected through connecting rods, and the two groups of supporting rods are respectively movably arranged on two sides of the base; the supporting rod is provided with a top portion, the supporting rod is provided with a containing groove, the containing groove is used for supporting the main ladder, the supporting rod is provided with a limiting channel, the limiting channel is used for placing the main ladder, and the limiting channel is communicated with the containing groove.
Preferably, the cross-sectional shape of holding tank is the U style of calligraphy, the width of holding tank is greater than the width of main ladder median plate.
Preferably, the sliding assembly comprises a sliding seat, the sliding seat is arranged in the base in a sliding mode, guide rods are arranged at two ends of the sliding seat, and the guide rods penetrate through side plates in the main ladder and are arranged in the adjusting channel.
Preferably, the end of the guide rod penetrates out of the adjusting channel and the end of the guide rod is provided with a locking nut, and the locking nut is used for fixedly locking the guide rod in the adjusting channel.
Preferably, the main ladder is provided with a sliding groove, the auxiliary ladder is provided with a sliding plate, the sliding plate is arranged in the sliding groove in a sliding mode, the limiting assembly is located in the sliding groove, and the limiting assembly is used for abutting against the sliding plate after the sliding plate is lifted.
Preferably, the cross section of the sliding plate is T-shaped.
Preferably, the limiting assembly comprises an arc-shaped limiting disc, a mounting groove is formed in the sliding groove, the arc-shaped limiting disc is movably arranged in the mounting groove through a rotating shaft, and the setting height of the rotating shaft is greater than the gravity center height of the arc-shaped limiting disc; the depth of the mounting groove is H, the length of a connecting line at two ends of the arc-shaped limiting disc is L, and L is larger than 2H.
Preferably, the lifting assembly comprises a sliding part and a fixing part, the sliding part is arranged on one side of the middle side plate of the auxiliary ladder, the fixing part is arranged on one side of the middle side plate of the main ladder, the sliding part is connected with the fixing part through an insulating rope, and the insulating rope penetrates through the sliding part to be connected with the bottom of the auxiliary ladder.
Preferably, the sliding part comprises a pulley, an installation shell, a connecting piece and a reinforcing piece, a rotating pin penetrates through the reinforcing piece, the connecting piece, the installation shell and the pulley, the pulley is located in the installation shell, the connecting piece is located between the installation shell and the reinforcing piece, the connecting piece and the reinforcing piece are connected with the middle side plate of the auxiliary ladder, and the connecting piece, the reinforcing piece and the middle side plate of the auxiliary ladder integrally form a triangular structure.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the triangular stable supporting structure formed by the base, the main ladder and the supporting assembly, the stability of the main ladder and the auxiliary ladder is greatly improved, when the integral device is folded, the main ladder is pushed back to the original position after being folded, the main ladder is clamped and fixed by the supporting assembly, the accommodating channel accommodates and clamps the auxiliary ladder, the integral device is kept fixed, and the integral device is convenient to carry and transport;
2. according to the invention, the arc-shaped limiting disc is movably arranged on the main ladder and eccentrically arranged, when the auxiliary ladder is lifted, the arc-shaped limiting disc automatically deflects under the action of self gravity, the deflected end of the arc-shaped limiting disc tightly abuts against the lower part of the side plate of the auxiliary ladder, and the chord length of the arc-shaped limiting disc is far greater than the depth of the mounting groove, so that the outward protruding end of the arc-shaped limiting disc stably supports the auxiliary body, and the auxiliary ladder can be quickly supported without a traditional padlock;
3. according to the invention, the connecting sheet, the reinforcing sheet and the pulley are arranged on one side of the auxiliary ladder, so that the insulating rope is prevented from being wound in the process of pulling the insulating rope to drive the auxiliary ladder to lift, the phenomenon that the pulley is excessively used to clamp a wire and deviate is avoided, and the working efficiency is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Figure 2 is a schematic view of the construction of the support assembly of the present invention.
Fig. 3 is a schematic structural view of the strut of the present invention.
Fig. 4 is a schematic structural view of the main ladder of the present invention.
Fig. 5 is a schematic structural view of the limiting assembly of the present invention.
Fig. 6 is a schematic structural view of the auxiliary ladder of the present invention.
Fig. 7 is a schematic structural view of the sliding member of the present invention.
In the figure:
1 is a base, 11 is an adjusting channel, and 12 is a containing channel;
2, a support rod, 21, an accommodating groove and 22, a limiting channel;
3 is a main ladder, 31 is a chute, and 33 is a fixing piece;
32 is a limiting component, 321 is an arc-shaped limiting disc, 322 is a mounting groove, and 323 is a rotating shaft;
4 is an auxiliary ladder, 41 is a sliding plate;
42 is a sliding part, 421 is a reinforcing sheet, 422 is a connecting sheet, 423 is a pulley, 424 is a mounting shell, and 425 is a rotating pin;
and 5 is a sliding seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The invention provides a folding ladder for electric power operation, which comprises a base, a main ladder and an auxiliary ladder, wherein an adjusting channel is formed in the base along the length direction of the base, a supporting assembly is arranged above the adjusting channel, and a containing channel for placing the auxiliary ladder is formed below the adjusting channel; the main ladder is provided with a sliding assembly, the sliding assembly is arranged in the adjusting channel in a sliding mode, the supporting assembly is matched with the main ladder to fix the main ladder, and the main ladder is movably provided with a limiting assembly; vice ladder slides and sets up on main ladder, and main ladder passes through lifting unit and is connected with vice ladder, and spacing subassembly cooperates with vice ladder in order to be used for vice ladder to keep fixed after promoting. Through base, main ladder and the triangle-shaped stable support structure who struts the subassembly and constitute, improve the stability of main ladder and vice ladder greatly, when the whole device is folding, through folding main ladder after, utilize the support subassembly card to fix main ladder after pushing back the primary position with main ladder, accomodate the passageway and hold the card and fix vice ladder, wholly keep fixed, the whole transport of carrying of being convenient for.
The technical scheme of the invention is specifically explained in the following by combining the attached drawings 1-7:
as shown in fig. 1 to 7, the embodiment of the invention discloses a folding ladder for electric power operation, which comprises a base 1, a main ladder 3 and an auxiliary ladder 4, wherein an adjusting channel 11 is formed in the base 1 along the length direction of the base, a supporting assembly is arranged above the adjusting channel 11, and a containing channel 12 for placing the auxiliary ladder 4 is formed below the adjusting channel 11. That is to say, the cross-sectional shape of the base in the embodiment of the invention is a U-shape, the two sides of the base are respectively provided with the adjusting channel, the adjusting channel is an adjusting channel which penetrates through the base along the direction perpendicular to the length direction of the base, the supporting component can move and adjust in the adjusting channel, the overall flexibility is high, and the supporting component slides in the adjusting channel, so that the main ladder and the auxiliary ladder can be conveniently folded in the base, and the subsequent overall carrying and transportation are facilitated.
Specifically, the supporting assembly is matched with a main ladder 3 to fix the main ladder, the supporting assembly comprises two groups of supporting rods 2, the two groups of supporting rods 2 are connected through connecting rods, and the two groups of supporting rods 2 are respectively movably arranged on two sides of the base; the holding tank 21 that is used for supporting the main ladder is seted up at 2 tops of branch, set up on branch 2 and be used for placing the spacing passageway 22 of main ladder, spacing passageway 22 with holding tank 21 is linked together. That is to say, the two groups of supporting rods are rotatably arranged at the two sides of the base through the pin shafts, when the main ladder is supported for use, the grooves formed in the two groups of supporting rods are used for respectively buckling the side plates of the main ladder, so that the main ladder is fixed, and the main ladder, the supporting rods and the base form a triangular stable supporting structure integrally at the moment, so that the stability of the main ladder in the use process is greatly improved; after the main ladder is used, the main ladder can be pushed into the base after being turned over, the limit channel arranged on one side of the supporting rod is buckled on the side plate of the main ladder, the stability of the main ladder is kept, and meanwhile, the auxiliary ladder is buckled into the containing channel arranged in the base, so that the base, the supporting rod, the main ladder and the auxiliary ladder are kept in a stable containing state integrally.
In some embodiments, the cross-sectional shape of the receiving groove 21 is U-shaped, and the width of the receiving groove 21 is greater than the width of the side plate of the main ladder 3. That is to say, the width of holding tank is a bit bigger than the width of curb plate, guarantees that branch can lean on the curb plate fast, improves the convenience of operation.
The main ladder 3 is provided with a sliding assembly which is slidably arranged in the adjusting channel 11. That is to say, be provided with the slip subassembly in the bottom of main ladder, utilize the slip subassembly can be along adjusting the directional stable removal of passageway, guarantee main ladder stability in the use to under the guiding action of slip subassembly, main ladder also can the slip subassembly accomodate the folding for the rotation fulcrum fast and stable when fold condition.
Specifically, the sliding assembly comprises a sliding seat 5, the sliding seat 5 is slidably disposed in the base 1, guide rods are disposed at two ends of the sliding seat 5, and the guide rods penetrate through side plates of the main ladder 3 and are disposed in the adjusting channel 11. That is to say, set up the guide bar respectively in sliding seat both sides, the guide bar is worn to establish in adjusting the passageway, and the guide bar can be along the stable directional removal of adjusting the passageway, and the curb plate cover of main ladder is established on the guide bar, and the curb plate of main ladder can rotate around the guide bar, when the main ladder uses, pulls out the main ladder, and the main ladder drives the sliding seat and slides to adjusting the tip of passageway, supports main ladder upset simultaneously and leans on the target object, supports branch afterwards and accomplishes triangle-shaped stable support on the curb plate of main ladder.
In some embodiments, the end of the guide rod that passes out of the adjustment channel 11 is provided with a lock nut for fixedly locking the guide rod in the adjustment channel 11. That is to say, in order to guarantee the stability of main ladder when using, after the main ladder was pulled out and is placed the target, tighten the lock nut of guide bar for lock nut tightly supports and leans on the gasket, guarantees that the guide bar is fixed in adjusting the passageway.
The main ladder 3 is movably provided with a limiting component 32, the auxiliary ladder 4 is arranged on the main ladder 3 in a sliding mode, and the limiting component 32 is matched with the auxiliary ladder 4 to be used for keeping the auxiliary ladder fixed after being lifted. That is to say, still slide on the main ladder and be provided with vice ladder, utilize vice ladder can improve the operation height, satisfy the not operation demand of co-altitude, when vice ladder after promoting, spacing subassembly automatic action is stable to be supported and is leaned on the lower part at vice ladder for vice ladder keeps fixed under spacing subassembly's stable support, utilizes spacing subassembly to save traditional couple locking form, need not the operation of operation personnel, only needs vice ladder to promote the back can the automatic action.
Specifically, the main ladder 3 is provided with a sliding groove 31, the auxiliary ladder 4 is provided with a sliding plate 41, the sliding plate 41 is slidably disposed in the sliding groove 31, the limiting assembly 32 is located in the sliding groove 31, and the limiting assembly 32 is used for abutting against the sliding plate 41 after the sliding plate 41 is lifted. That is to say, the slide on the vice ladder slides in the spout to after the slide promotes through spacing subassembly, spacing subassembly automatic reversal supports and leans on in the slide lower part, but the spacing subassembly of utilization upset stably supports the vice ladder, and the stable operation of electric power engineering personnel when on the vice ladder of being convenient for.
In some embodiments, the cross-sectional shape of the slide plate 41 is T-shaped. That is to say, the cross sectional shape of slide is the T style of calligraphy, and the shape of spout also is the T style of calligraphy simultaneously, utilizes T style of calligraphy slide to slide and sets up in T style of calligraphy spout, guarantees that the slide slides steadily in the spout, avoids the slide to follow the interior roll-off of spout.
In some embodiments, the limiting assembly 32 includes an arc-shaped limiting disc 321, a mounting groove 322 is formed in the sliding groove 31, the arc-shaped limiting disc 321 is movably disposed in the mounting groove 322 through a rotating shaft 323, and the height of the rotating shaft 323 is greater than the height of the center of gravity of the arc-shaped limiting disc 321; the mounting groove 322 is perpendicular to the axial extension length of the sliding groove 31 is H, the depth of the mounting groove 322 is H, the chord length of the arc-shaped limiting disc 321 is L, the length of a connecting line at two ends of the arc-shaped limiting disc is L, and L is greater than 2H. That is, a reversible arc-shaped limiting disc is placed in the sliding chute, when the main ladder is in a normal state, the sliding plate below the main ladder is in an initial position, the sliding plate is pressed on the upper part of the arc-shaped limiting disc at the moment, the arc-shaped limiting disc is positioned in the mounting groove, after the auxiliary ladder is lifted, the sliding plate slides out from the upper part of the arc-shaped limiting disc, at the moment, because the main ladder is in an inclined state, the arc-shaped limiting disc is eccentrically arranged, a fulcrum is not superposed with the gravity center, the arc-shaped limiting disc can be rapidly turned downwards under the action of self gravity, one end of the arc-shaped limiting disc slides from the mounting groove, the other end of the arc-shaped limiting disc moves downwards to abut against the bottom of the mounting groove, the outwards protruding end of the arc-shaped limiting disc can stably abut against the lower part of the sliding plate as a supporting step, and simultaneously, the other end of the arc-shaped limiting disc stably abuts against the inside of the mounting groove under the action of self gravity and the auxiliary ladder, the stability of the integral support is greatly improved. It should be noted that the gravity center height of the arc-shaped limiting disc must be lower than the setting height of the rotating shaft, so that the arc-shaped limiting disc can be automatically turned over under the self gravity after the sliding plate is separated from the arc-shaped limiting disc, manual operation is not needed, the chord length of the arc-shaped limiting disc must be far larger than the depth of the mounting groove, and the arc-shaped limiting disc can be guaranteed to be abutted against the bottom of the mounting groove after being turned over. It should be noted that in order to improve the overall device's ability to achieve a quick movement and adjustment of the position during use, embodiments of the present invention may also include a pulley with self-locking on the bottom of the base.
Specifically, the sliding member 42 includes a pulley 423, a mounting shell 424, a connecting piece 422, and a reinforcing piece 421, a rotating pin 425 penetrates through the reinforcing piece 421, the connecting piece 422, the mounting shell 424, and the pulley 423, the pulley 423 is located in the mounting shell 424, the connecting piece 422 is located between the mounting shell 424 and the reinforcing piece 421, the connecting piece 422 and the reinforcing piece 421 are both connected to the middle side plate of the secondary ladder 4, and the connecting piece 422, the reinforcing piece 421, and the middle side plate of the secondary ladder 4 integrally form a triangular structure. That is to say, install in one side of vice ladder curb plate through the pulley, set up connection piece and reinforcement piece in the pulley outside simultaneously, can improve the bearing strength of pulley greatly to the whole triangle-shaped structure that constitutes of curb plate in connection piece, reinforcement piece and the vice ladder can strengthen the installation intensity between installation shell and the slide, avoids after long-time the use, and the pulley appears deflecting with the installation shell, and then causes the condition of card rope. The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. Folding ladder for electric power operation, its characterized in that includes:
the base is provided with an adjusting channel along the length direction of the base, a supporting assembly is arranged above the adjusting channel, and a containing channel for placing an auxiliary ladder is arranged below the adjusting channel;
the main ladder is provided with a sliding assembly, the sliding assembly is arranged in the adjusting channel in a sliding mode, the supporting assembly is matched with the main ladder to fix the main ladder, and the main ladder is movably provided with a limiting assembly;
the auxiliary ladder is arranged on the main ladder in a sliding mode, the main ladder is connected with the auxiliary ladder through a lifting assembly, and the limiting assembly is matched with the auxiliary ladder to be used for keeping the auxiliary ladder fixed after lifting.
2. The folding ladder for electric power operation as claimed in claim 1, wherein said support assembly comprises two sets of struts, said two sets of struts being connected by a connecting rod, said two sets of struts being movably disposed on both sides of said base, respectively; the supporting rod is provided with a top portion, the supporting rod is provided with a containing groove, the containing groove is used for supporting the main ladder, the supporting rod is provided with a limiting channel, the limiting channel is used for placing the main ladder, and the limiting channel is communicated with the containing groove.
3. The folding ladder for power operation as claimed in claim 2, wherein the receiving groove has a U-shaped cross-section, and a width of the receiving groove is larger than a width of the side plate of the main ladder.
4. The ladder of claim 1, wherein the sliding assembly includes a sliding seat slidably disposed within the base, the sliding seat having guide bars disposed at opposite ends thereof, the guide bars being disposed within the adjustment channel through side plates in the main ladder.
5. An electric working stepladder as claimed in claim 4, wherein an end of the guide bar protrudes from the adjustment channel and is provided with a locking nut for fixedly locking the guide bar in the adjustment channel.
6. The folding ladder for electric power operation as claimed in claim 1, wherein the main ladder is provided with a sliding slot, the auxiliary ladder is provided with a sliding plate, the sliding plate is slidably disposed in the sliding slot, the limiting component is disposed in the sliding slot and the limiting component is used for abutting against the sliding plate after the sliding plate is lifted.
7. The power operated stepladder of claim 6, wherein the slide plate has a T-shaped cross-sectional shape.
8. The folding ladder for electric power operation as claimed in claim 6, wherein the limiting component comprises an arc-shaped limiting disc, a mounting groove is formed in the sliding groove, the arc-shaped limiting disc is movably arranged in the mounting groove through a rotating shaft, and the height of the rotating shaft is greater than the height of the center of gravity of the arc-shaped limiting disc; the depth of the mounting groove is H, the length of a connecting line at two ends of the arc-shaped limiting disc is L, and L is larger than 2H.
9. The folding ladder for power operation as claimed in claim 1, wherein said lifting assembly includes a sliding member and a fixing member, said sliding member is provided on a side of said secondary ladder medial plate, said fixing member is provided on a side of said primary ladder medial plate, said sliding member is connected to said fixing member by an insulating rope, and said insulating rope is connected to a bottom of said secondary ladder through said sliding member.
10. The folding ladder for electric power operation as claimed in claim 9, wherein the sliding member includes a pulley, a mounting case, a connecting piece and a reinforcing piece, a rotating pin penetrates between the reinforcing piece, the connecting piece, the mounting case and the pulley, the pulley is located in the mounting case, the connecting piece is located between the mounting case and the reinforcing piece, the connecting piece and the reinforcing piece are connected to the middle side plate of the secondary ladder, and the connecting piece, the reinforcing piece and the middle side plate of the secondary ladder integrally form a triangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111206602.9A CN114109234B (en) | 2021-10-17 | 2021-10-17 | Folding ladder for electrical work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111206602.9A CN114109234B (en) | 2021-10-17 | 2021-10-17 | Folding ladder for electrical work |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114109234A true CN114109234A (en) | 2022-03-01 |
| CN114109234B CN114109234B (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111206602.9A Active CN114109234B (en) | 2021-10-17 | 2021-10-17 | Folding ladder for electrical work |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114109234B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2570435Y (en) * | 2002-09-11 | 2003-09-03 | 李�杰 | Non-skid extension ladder |
| CN211342736U (en) * | 2019-09-16 | 2020-08-25 | 杜山山 | Ladder for power cable maintenance |
| CN211647949U (en) * | 2019-12-23 | 2020-10-09 | 中汽建工(洛阳)检测有限公司 | Portable high-altitude extension ladder for rebounding |
| CN113202406A (en) * | 2021-03-25 | 2021-08-03 | 周欣欣 | Supporting structure for electric power overhaul |
| CN214196143U (en) * | 2020-10-10 | 2021-09-14 | 程娅 | Power maintenance insulating ladder convenient to climb and go up and down |
-
2021
- 2021-10-17 CN CN202111206602.9A patent/CN114109234B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2570435Y (en) * | 2002-09-11 | 2003-09-03 | 李�杰 | Non-skid extension ladder |
| CN211342736U (en) * | 2019-09-16 | 2020-08-25 | 杜山山 | Ladder for power cable maintenance |
| CN211647949U (en) * | 2019-12-23 | 2020-10-09 | 中汽建工(洛阳)检测有限公司 | Portable high-altitude extension ladder for rebounding |
| CN214196143U (en) * | 2020-10-10 | 2021-09-14 | 程娅 | Power maintenance insulating ladder convenient to climb and go up and down |
| CN113202406A (en) * | 2021-03-25 | 2021-08-03 | 周欣欣 | Supporting structure for electric power overhaul |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114109234B (en) | 2023-10-20 |
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