CN113482516B - Electric power overhaul ladder and working method - Google Patents
Electric power overhaul ladder and working method Download PDFInfo
- Publication number
- CN113482516B CN113482516B CN202110858451.9A CN202110858451A CN113482516B CN 113482516 B CN113482516 B CN 113482516B CN 202110858451 A CN202110858451 A CN 202110858451A CN 113482516 B CN113482516 B CN 113482516B
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- ladder
- supporting seat
- hooking
- lifting hook
- electric power
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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
- E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
- E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
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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
- E06C7/12—Lifts or other hoisting devices on ladders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses an electric power overhaul ladder and a working method, which solve the problems that the conventional overhaul ladder cannot enable maintainers to carry enough overhaul tools, so that the maintainers need to repeatedly climb up and down a ladder, and the conventional overhaul ladder cannot cope with inclination, and have the following specific scheme: an electric power overhaul ladder comprises a ladder body and a hooking and fixing device arranged on the ladder body; the ladder body consists of two upright posts and a plurality of cross rods, the cross rods are arranged between the two upright posts at intervals, and the side surfaces of the upright posts are provided with limit grooves; collude and get fixing device and be equipped with two, set up respectively on the pole setting side, collude and get fixing device including colluding and get device and hand runner, collude and get the device setting on the spacing groove, the hand runner sets up in pole setting upper end side, colludes through the drive of acting as go-between and gets the device and move on the spacing groove, be equipped with a plurality of circular ports along its circumference on the hand runner.
Description
Technical Field
The invention relates to the field of electric power overhaul, in particular to an electric power overhaul ladder and a working method.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
When a traditional power supply unit carries out daily power overhaul, maintenance and emergency maintenance, an overhaul worker carries the power overhaul ladder to operate, live-line operation is often required at the moment, and the overhaul ladder for live-line operation has various problems, on one hand, most live overhaul ladders are made of insulating materials such as epoxy glass steel plates (tubes) and the like, and because the rigidity of the insulating materials is greatly weaker than that of metal materials, when the live overhaul ladders are made into higher insulating ladders (more than 8 meters), the cross section size of the ladder needs to be large to keep good rigidity and stability, and the difficulty in ladder transportation and carrying is easily caused; on the other hand, because the maintenance instrument can't be placed on the maintenance ladder, the maintainer can only use the saddlebag to carry the maintenance instrument, because the accommodation space of saddlebag is limited for the maintainer can not carry sufficient maintenance instrument, when certain instrument that needs does not carry, the maintainer need climb down the ladder, climb up the ladder after getting required instrument again, not only wasted a large amount of maintenance time, still increased maintainer's work load, reduced work efficiency.
And the local ground of a lot of overhauls is not level and smooth, and the maintenance ladder appears the slope easily, needs the handheld maintenance ladder of ground staff to carry out maintenance work this moment, and when the maintenance time is too long, the phenomenon of energy dispersion appears easily to the ground staff, and this can lead to the emergence of maintenance ladder slope landing problem, seriously threatens the personal safety problem of maintainer.
Disclosure of Invention
In order to overcome the defects, the invention provides the electric power overhaul ladder and the working method, the ladder body made of the metal material is covered by the insulating material, and the hooking and fixing devices are arranged on the two vertical rods of the ladder, so that the overhaul tool can be hooked from the ground, the overhaul personnel can be prevented from repeatedly climbing up and down the ladder, the fixed objects around the ladder can be hung, the ladder is limited, and the efficiency and the safety of overhaul work are effectively improved.
The invention is realized by the following technical scheme:
in a first aspect, the invention provides an electric power overhaul ladder, which mainly comprises a ladder body and a hooking and fixing device arranged on the ladder body;
the ladder body consists of two upright posts and a plurality of cross rods, the cross rods are arranged between the two upright posts at intervals, and the side surfaces of the upright posts are provided with limit grooves;
collude and get fixing device and be equipped with two, set up respectively on the pole setting side, collude and get fixing device including colluding and get device and hand runner, collude and get the device setting on the spacing groove, the hand runner sets up in pole setting upper end side, colludes through the drive of acting as go-between and gets the device and move on the spacing groove, the hand runner is equipped with a plurality of circular ports along its circumference.
As a further technical scheme, wedge teeth which are arranged at intervals are arranged in the limiting groove, and the wedge teeth have upward angles relative to the ground surface.
As a further technical scheme, the hooking device is composed of a supporting seat, a closed ring and a lifting hook, the lifting hook is fixedly arranged on the lower portion of the supporting seat, the upper portion of the supporting seat is connected with a pull wire, and the closed ring is arranged on the side face of the supporting seat and used for limiting the supporting seat on the stand column.
As a further technical scheme, when the closed ring is closed, the supporting seat is limited on the upright post, and the lifting hook is used for lifting the tool; when the closed ring is opened, the supporting seat can move freely, and the lifting hook is used for hanging surrounding fixtures to limit the movement of the ladder.
As a further technical scheme, a locking tongue is further arranged on the side surface of the supporting seat, and the locking tongue is provided with a downward angle relative to the ground and is used for being matched with the wedge teeth to fix the position of the supporting seat.
As a further technical scheme, the vertical rods and the transverse rods are made of metal materials, and insulating protective films are covered outside the vertical rods and the transverse rods.
As a further technical scheme, a magic tape is arranged on the closed ring and used for quickly closing or opening the closed ring.
As a further technical scheme, the top of the upright rod is provided with a buckle used for matching with the circular hole to limit the rotation of the hand rotating wheel.
As a further technical scheme, the tool extraction device further comprises a tool extraction bag, wherein the tool extraction bag is hung on a lifting hook and used for placing maintenance tools.
In a second aspect, the invention provides a working method based on the electric power overhaul ladder, which comprises the following steps:
placing the ladder on the ground of a place to be overhauled, and observing whether the ladder is inclined or not after the ladder is placed;
if the ladder is not inclined, the maintainer rotates the hand rotating wheel at any side after climbing the ladder to lift the corresponding hooking device to the top of the ladder;
opening a closed ring of the hooking device, taking down the supporting seat and the lifting hook thereof, hanging the lifting hook on a peripheral fixture, and limiting the rotation of the hand rotating wheel by utilizing a buckle;
ground personnel put the required tools into the tool extraction bag and hang the tool extraction bag on the lifting hook at the other side;
the maintainer rotates the corresponding hand rotating wheel to lift the tool extraction bag, and after the tool extraction bag reaches a designated position, the hooking device is limited by the matching of the wedge teeth and the locking tongues;
if the ladder inclines, a ground maintainer holds the ladder by hand, and after the maintainer climbs the ladder, the hand-turning wheel on the opposite side of the inclination direction is rotated, the hooking device is lifted to the top of the ladder, and the step 3-5 is repeated;
after the maintenance is accomplished, open and hang the closed loop that has the instrument to draw the device of getting of colluding of bag, take off the supporting seat and transfer, collude the device with the opposite side simultaneously and take off and transfer, transfer and utilize closed loop to restrict it once more in the pole setting after accomplishing.
The invention has the beneficial effects that:
(1) According to the invention, the hooking and fixing devices are respectively arranged on the two vertical rods of the ladder, one is used for hanging the maintenance tool, and the other is used for limiting the movement of the ladder, so that the problems that maintenance personnel repeatedly go up and down the ladder and the maintenance ladder inclines and slides down are avoided, and the efficiency and the safety of maintenance work are effectively improved.
(2) The wedge tooth has ascending angle, and the locking tongue has decurrent angle, and the two cooperation makes the supporting seat can only the upward movement and unable downward movement to can fix in the optional position of pole setting when making the supporting seat upward movement, need not to promote back rethread other devices and carry out the injecing of position, effectively improved work efficiency.
(3) Collude the cooperation that gets fixing device and instrument and draw the bag, can hang to overhaul the instrument and get and support, need not to set up brace table isotructure, simplified the maintenance ladder structure, reduced maintainer's the transport difficulty degree.
(4) The setting of closed ring has restricted the position of supporting seat for the pole setting, and under the condition of not opening closed ring, the supporting seat can only be followed the pole setting upward movement, has effectively improved the stability of hanging to get.
(5) The vertical rod and the cross rod are made of metal materials, and the outside of the vertical rod and the cross rod is covered with an insulating protective film, so that the rigidity and the stability of the maintenance ladder are guaranteed, the insulativity of the maintenance ladder is also guaranteed, and the safety of live working is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic view of the overall structure of the electric power overhaul ladder of the present invention.
Fig. 2 is a schematic sectional view of the vertical rod of the electric power overhaul ladder.
Fig. 3 is a schematic structural view of the hand wheel of the invention.
In the figure, the device comprises a vertical rod 1, a cross rod 2, a cross rod 3, a limiting groove 4, wedge teeth 5, a supporting seat 6, a closed ring 7, a lifting hook 8, a hand rotating wheel 9, a stay wire 10, a locking tongue 11, a buckle 12, a circular hole 13 and an insulating protective film.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "front", "back" and "upper", "lower", "front", "rear" in the present application are used for the purpose of illustrating the invention and are not intended to limit the structure, but merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
As described in the background section, the existing access ladder cannot allow the access personnel to carry enough access tools, resulting in the need for the access personnel to repeatedly climb up and down the ladder, and the problem that the existing access ladder cannot cope with the inclination, which causes a safety risk.
Example 1
In view of the above problems, the present embodiment discloses an electric power overhaul ladder, which includes a ladder body as shown in fig. 1 to 3, and a hooking fixing device disposed on the ladder body;
the ladder body comprises two pole settings 1 and a plurality of horizontal pole 2, and the horizontal pole interval sets up between the pole setting to spacing groove 3 has been seted up to the side of pole setting, and spacing inslot is equipped with the wedge tooth 4 that the interval set up, the wedge tooth has for the ascending angle of ground, and the wedge tooth plays spacing effect.
The vertical rod and the cross rod are made of metal materials, the insulating protective film 13 covers the outer portion of the vertical rod and the cross rod, the size of the cross section of the ladder body is greatly reduced by the aid of rigidity of the metal materials, the size and the weight of the ladder are reduced, the cross rod and the vertical rod can be guaranteed not to contact with a live-line facility due to the arrangement of the insulating protective film, and safety of live-line operation is improved.
It is understood that the metal material may be selected from rigid and lightweight materials such as aluminum alloy, and the insulating protective film may be selected from insulating varnish, insulating glue, rubber sleeve, plastic sleeve, etc., without being limited thereto.
Collude and get fixing device and be equipped with two and set up respectively on the pole setting side, wherein, collude and get fixing device and comprise supporting seat 5, closed ring 6, lifting hook 7 and hand runner 8, the supporting seat is placed at the spacing inslot, and through the relative position between closed ring restriction supporting seat and the pole setting, make the supporting seat only can remove for the pole setting, the fixed lower part that sets up at the supporting seat of lifting hook, hand runner sets up on pole setting upper end side, drive the supporting seat through 9 acting as go-between and follow pole setting rebound.
The side of supporting seat still is equipped with locking tongue 10, the locking tongue has for the angle of ground downwards, when needing to hang and get the maintenance instrument, through the relative position of closed ring restriction supporting seat and pole setting, make locking tongue and wedge tooth cooperate, opposite direction's angle sets up, make the supporting seat can only follow pole setting rebound and unable rebound, thereby it is spacing to need not to set up solitary stop device again and carry out the supporting seat, the working process is simplified, and the cooperation of locking tongue and wedge tooth can play fine supporting role, need not to set up bearing structure again and be used for placing the maintenance instrument, the structure of access ladder has been simplified, the transport burden of maintainer has been reduced.
Wherein, utilize the instrument to draw the bag and place the maintenance instrument to hang the instrument through the lifting hook and draw the bag, rotate the hand-wheel and support seat rebound under the drive of acting as go-between, thereby drive the instrument and draw the bag rebound, after the arrival position, realize the location support under the cooperation of locking tongue and wedge tooth, make the maintainer need not repeated upper and lower cat ladder alright take a large amount of maintenance instruments and use.
It can be understood that the tool extraction bag may be a cloth bag or other materials as long as the tool extraction bag can be used for placing the maintenance tool and hung on the hook, and the tool extraction bag is not limited herein.
The closed ring is quickly closed or opened through the magic tape, so that overhaul personnel do not need to perform excessive operation, the operation complexity of high-altitude operation is reduced, and when the movement of the overhaul ladder is limited, the overhaul personnel can quickly open the closed ring through the arrangement of the magic tape and cancel the limitation on the supporting seat, so that the overhaul personnel can conveniently hang the lifting hook on surrounding facilities or fixed objects;
and make buckle 11 at stand top insert circular port 12 on the hand runner to the rotation of restriction hand runner makes the extension length of stay cord fixed, thereby the activity of restriction maintenance ladder that can be fine avoids the maintenance ladder to the landing of incline direction, has improved maintainer's personal safety greatly.
The setting of closed ring has still made things convenient for colluding the transfer of getting the device, because the setting of locking tongue and wedge tooth for the supporting seat can only be followed the pole setting rebound, when colluding the device and need transferring, the position restriction to the supporting seat is cancelled in opening fast of accessible closed ring, makes locking tongue and wedge tooth no longer cooperate, guarantees that the supporting seat can the free activity, thereby realizes colluding the transfer of getting the device.
Example 2
Based on the electric power overhaul ladder, the embodiment further provides a working method, which specifically comprises the following steps:
placing the ladder on the ground of a place to be overhauled, and observing whether the ladder is inclined or not after the ladder is placed;
if the ladder is not inclined, the maintainer rotates the hand rotating wheel at any side after climbing the ladder to lift the corresponding hooking device to the top of the ladder;
opening a closed ring of the hooking device, taking down the supporting seat and the lifting hook thereof, hanging the lifting hook on surrounding facilities or fixed objects, and limiting the rotation of the hand rotating wheel by utilizing the buckle;
ground personnel put the required tools into the tool extraction bag and hang the tool extraction bag on the lifting hook at the other side;
the maintainer rotates the corresponding hand rotating wheel to lift the tool extraction bag, and after the tool extraction bag reaches the designated position, the hooking device is limited by the matching of the wedge teeth and the locking tongues;
if the ladder inclines, a ground maintainer holds the ladder by hand, and after the maintainer climbs the ladder, the hand-turning wheel on the opposite side of the inclination direction is rotated, the hooking device is lifted to the top of the ladder, and the step 3-5 is repeated;
after the maintenance is accomplished, open and hang the closed loop that has the instrument to draw the device of getting of colluding of bag, take off the supporting seat and transfer, collude the device with the opposite side simultaneously and take off and transfer, transfer and utilize closed loop to restrict it once more in the pole setting after accomplishing.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (6)
1. A working method of an electric power overhaul ladder is characterized by comprising the following steps:
step 1, placing a ladder on the ground of a place to be overhauled, and observing whether the ladder is inclined or not after the ladder is placed;
step 2, if the ladder is not inclined, after the maintainers climb up the ladder, rotating the hand rotating wheel at any side to lift the corresponding hooking device to the top of the ladder;
step 3, opening the closed ring of the hooking device, taking down the supporting seat and the lifting hook thereof, hanging the lifting hook on a peripheral fixture, arranging a buckle at the top of the ladder, and limiting the rotation of the hand rotating wheel by using the buckle;
step 4, ground personnel put the required tools into the tool extraction bag and hang the tool extraction bag on the lifting hook at the other side;
step 4, the maintainer rotates the corresponding hand rotating wheel to lift the tool extraction bag, and after the tool extraction bag reaches the designated position, the hooking device is limited by the matching of the wedge teeth and the locking tongues;
step 6, if the ladder inclines, the ground maintainer holds the ladder, after the maintainer climbs the ladder, the hand-turning wheel on the opposite side of the inclination direction is rotated, the hooking device is lifted to the top of the ladder, and the step 3-5 is repeated;
step 7, after the maintenance is finished, opening a closed ring of a hooking device hung with the tool extraction bag, taking down and putting down the supporting seat, simultaneously taking down and putting down the hooking device on the other side, and after the putting down is finished, limiting the hooking device on the upright rod again by using the closed ring;
the electric power overhaul ladder comprises a ladder body and a hooking and fixing device arranged on the ladder body;
the ladder body consists of two upright posts and a plurality of cross rods, the cross rods are arranged between the two upright posts at intervals, and the side surfaces of the upright posts are provided with limit grooves;
the two hooking and fixing devices are respectively arranged on the side surfaces of the vertical rods and comprise hooking devices and hand rotating wheels, the hooking devices are arranged on the limiting grooves, the hand rotating wheels are arranged on the side surfaces of the upper ends of the vertical rods and drive the hooking devices to move on the limiting grooves through pull wires, and the hand rotating wheels are provided with a plurality of circular holes along the circumferences of the hand rotating wheels;
the hooking device consists of a supporting seat, a closed ring and a lifting hook, the lifting hook is fixedly arranged at the lower part of the supporting seat, the upper part of the supporting seat is connected with a pull wire, the closed ring is arranged on the side surface of the supporting seat and used for limiting the supporting seat on the upright post, when the closed ring is closed, the supporting seat is limited on the upright post, and the lifting hook is used for lifting tools; when the closed ring is opened, the supporting seat can move freely, and the lifting hook is used for hanging surrounding fixtures to limit the movement of the ladder;
the vertical rods and the cross rods are made of metal materials, and insulating protective films cover the outer portions of the vertical rods and the outer portions of the cross rods.
2. An operating method of an electric power service ladder as claimed in claim 1, wherein wedge teeth are provided at intervals in the limiting groove, and the wedge teeth have an upward angle with respect to the ground.
3. An operating method for an electric service ladder as claimed in claim 1, wherein the side of the supporting base is further provided with a locking tongue having a downward angle with respect to the ground for cooperating with the wedge teeth to fix the position of the supporting base.
4. The operating method of an electric power service ladder as claimed in claim 1, wherein the closing ring is provided with a magic tape for quick closing or opening of the closing ring.
5. An operating method for an electric service ladder as claimed in claim 1, wherein the top of the vertical rod is provided with a buckle for engaging with the circular hole to restrict the rotation of the hand wheel.
6. An operating method for an electric service ladder as claimed in claim 1, further comprising a tool extraction bag hung from the hook for placing service tools.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110858451.9A CN113482516B (en) | 2021-07-28 | 2021-07-28 | Electric power overhaul ladder and working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110858451.9A CN113482516B (en) | 2021-07-28 | 2021-07-28 | Electric power overhaul ladder and working method |
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| Publication Number | Publication Date |
|---|---|
| CN113482516A CN113482516A (en) | 2021-10-08 |
| CN113482516B true CN113482516B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110858451.9A Active CN113482516B (en) | 2021-07-28 | 2021-07-28 | Electric power overhaul ladder and working method |
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| CN (1) | CN113482516B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412348A (en) * | 2021-12-02 | 2022-04-29 | 国网山东省电力公司荣成市供电公司 | Climbing ladder for dispatching distribution network emergency maintenance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203161069U (en) * | 2013-04-03 | 2013-08-28 | 国家电网公司 | Electric power overhaul ladder with tool conveying function |
| CN206753470U (en) * | 2017-03-27 | 2017-12-15 | 南通四建集团有限公司 | A kind of anti-fall vertical cat ladder |
| CN207144792U (en) * | 2017-06-27 | 2018-03-27 | 国网河南鄢陵县供电公司 | A kind of maintenance ladder of electrician |
| CN207957456U (en) * | 2017-12-31 | 2018-10-12 | 郑州元泽信息技术有限公司 | Architectural engineering lifting device with anti-falling function |
| CN209539251U (en) * | 2019-01-10 | 2019-10-25 | 赵东升 | A kind of gear wheel drilling cramp climbing safety device |
-
2021
- 2021-07-28 CN CN202110858451.9A patent/CN113482516B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203161069U (en) * | 2013-04-03 | 2013-08-28 | 国家电网公司 | Electric power overhaul ladder with tool conveying function |
| CN206753470U (en) * | 2017-03-27 | 2017-12-15 | 南通四建集团有限公司 | A kind of anti-fall vertical cat ladder |
| CN207144792U (en) * | 2017-06-27 | 2018-03-27 | 国网河南鄢陵县供电公司 | A kind of maintenance ladder of electrician |
| CN207957456U (en) * | 2017-12-31 | 2018-10-12 | 郑州元泽信息技术有限公司 | Architectural engineering lifting device with anti-falling function |
| CN209539251U (en) * | 2019-01-10 | 2019-10-25 | 赵东升 | A kind of gear wheel drilling cramp climbing safety device |
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| CN113482516A (en) | 2021-10-08 |
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