CN114658347B - Line operation maintenance ladder - Google Patents
Line operation maintenance ladder Download PDFInfo
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- CN114658347B CN114658347B CN202210220583.3A CN202210220583A CN114658347B CN 114658347 B CN114658347 B CN 114658347B CN 202210220583 A CN202210220583 A CN 202210220583A CN 114658347 B CN114658347 B CN 114658347B
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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
- E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like
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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
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
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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
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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
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
- E06C7/081—Rungs or other treads comprising anti-slip features
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Abstract
The application discloses a line operation and maintenance ladder, which comprises an outer ladder and an inner ladder, wherein the outer ladder and the outer ladder are semicircular, the outer ladder is identical to the inner ladder in axis, the diameter of the inner ladder is smaller than that of the outer ladder, the inner ladder is connected to the inner side of the outer ladder in a sliding manner, and the inner ladder moves around the inner ladder in axis. According to the application, after the outer ladder and the inner ladder form the annular ladder, the bottoms of the outer ladder and the inner ladder firstly can form a stable supporting surface, and secondly, the outer ladder and the inner ladder form the annular ladder and do not form a contact position with a telegraph pole, and meanwhile, the annular ladder can effectively prevent the situation of toppling, and as the bottoms of the outer ladder and the inner ladder are stably supported and do not topple, a worker is difficult to drive the outer ladder and the inner ladder to move during operation; the application effectively solves the problem that the prior ladder is not firm when in use, and simultaneously, workers can move circumferentially around the telegraph pole along the annular ladder in the process of overhauling the cable on the telegraph pole, thereby facilitating multi-position detection without moving the outer ladder and the inner ladder.
Description
Technical Field
The application belongs to the field of power maintenance equipment, and particularly relates to a line operation maintenance ladder.
Background
The ladder is a daily life tool, the tool is formed by taking two long and thick rods as edges, and the middle of the tool traverses a cross rod suitable for climbing and is used for climbing.
The utility model discloses a pole as strutting arrangement everywhere in the electric power industry, the cable sometimes appears damaging at the pole to cable support in-process cable and needs maintenance or need to carry out periodic maintenance, the in-process ladder that overhauls the cable on the pole is used widely as common climbing instrument, but can appear unstable condition when the ladder leans on the pole, lead to the unable safe maintenance operation of staff, the unstable condition of ladder appearance generally has the bottom sprag unstable, ladder upper portion and pole contact position easily slide or staff's body movement drive ladder remove, perhaps other conditions cause the ladder unstable.
The patent with the application number of CN202011352065.4 proposes an electric power overhaul ladder, which comprises a main ladder and an auxiliary ladder, wherein an angle adjusting electric cylinder is arranged near the hinging position of the main ladder and the auxiliary ladder, and the length of the electric power overhaul ladder is adjusted through an operator on the main ladder so as to electrically adjust the angles of the main ladder and the auxiliary ladder; the other end of the auxiliary ladder is provided with a distance adjusting cylinder, a front end clamping device and a rear end clamping device are respectively arranged on a fixed cylinder and a movable cylinder of the distance adjusting cylinder, the front end clamping device is fixed, and the rear end clamping device can be opened through a clamping device movable block; the tail end of the distance adjusting electric cylinder is fixedly provided with a supporting leg, and the tail end of the supporting leg is provided with an electromagnet; when the electric pole climbing device is used, the two clamping devices clamp the electric pole, so that the maintenance ladder is fixed, maintenance personnel can climb conveniently, the electric pole climbing device can also be put on an iron elevation, and the auxiliary ladder is fixed through the electromagnet, so that the climbing is convenient; the advantages are that: the maintenance position that traditional ladder was not arrived is obtained through level adjustment and angle modulation, improves the stability of climbing wire pole and iron facade through clamp and electro-magnet, improves the security performance. But the application does not address the problem addressed by the present application. Patent with application number of CN201610011668.5 proposes an extension ladder, in which a plurality of ladder units with the same structure and gradually changed size are sequentially nested in the length direction of the extension ladder, and in any two adjacent ladder units, the ladder legs of an upper ladder frame are sleeved in the ladder legs of a lower ladder frame and then are detachably connected through locking devices with the same structure; the locking device comprises a locking pin, a locking spring, a locking pin sleeve, a switch button, a switch spring and a switch box, wherein two ends of the locking spring are respectively connected with the two locking pins, the locking pin horizontally penetrates through pin holes in the side walls of the upper ladder frame and the lower ladder frame in sequence and extends out, the switch spring is arranged in the switch box, and one end of the switch spring is connected to the outer side wall of the lower ladder frame and sleeved on the extending part of the locking pin. The telescopic ladder can realize automatic locking and unlocking, and has stable and reliable structure. The application still presents the problems addressed by the present application during use.
Disclosure of Invention
The application aims to solve the technical problem of providing a line operation maintenance ladder so as to solve the problem that the existing ladder is not firm in use.
In order to solve the problems, the application adopts the following technical scheme:
the utility model provides a line fortune is maintained and is overhauld ladder, includes outer ladder and interior ladder, outer ladder and outer ladder are semi-circular, and outer ladder is the same with interior ladder axis, and interior ladder diameter is less than outer ladder, and interior ladder sliding connection is inboard at outer ladder, and interior ladder moves around outer ladder axis, can become closed annular with outer ladder through rotating interior ladder and connect the wire pole cover in. .
Further, be provided with at least one arc track between outer ladder and the inner ladder, arc track inboard and the outside fixed connection of inner ladder, the arc track outside is provided with the spout, outer ladder inboard be provided with the slider of spout looks adaptation.
Further, a sealing piece is arranged at one end of the sliding groove.
Further, outer ladder and interior ladder all include flexible stand and semicircle pole, and the quantity of flexible stand is two, and flexible stand includes at least two telescopic joint that nest in proper order, sliding fit between the adjacent telescopic joint, and the equal fixed connection in both ends of semicircle pole is on corresponding flexible stand circumference, and the quantity of semicircle pole is two at least, and semicircle pole evenly distributed is between two flexible stands.
Further, a locking device for limiting the telescopic joint is arranged on the telescopic upright post.
Further, the bottom ends of the outer ladder and the inner ladder are both conical or planar.
Further, the inner side of the semicircular rod of the outer ladder and the inner side of the semicircular rod of the inner ladder are respectively provided with at least one abutting piece, each abutting piece comprises a supporting rod and an abutting piece, one end of each supporting rod is rotationally connected to the semicircular rod, each abutting piece is arc-shaped, and one end, far away from the semicircular rod, of each supporting rod is rotationally connected with the outer cambered surface of each abutting piece.
Further, an elastic cushion layer is arranged on the arc inner side of the supporting piece.
Further, one end fixedly connected with rope body of sealing member, the one end fixedly connected with couple that the rope body kept away from the sealing member.
Further, a rubber sleeve is arranged on the semicircular rod, and friction lines are arranged on the outer side of the rubber sleeve.
The application has the remarkable beneficial effects that:
1. the application relates to a line operation maintenance ladder, which comprises an outer ladder and an inner ladder, wherein the outer ladder and the inner ladder are semicircular, the inner ladder is connected to the inner side of the outer ladder in a sliding way, the axes of the outer ladder and the inner ladder are the same, the diameter of the inner ladder is smaller than that of the outer ladder, the inner side of the outer ladder is opposite to the inner side of the inner ladder through the movement of the inner ladder around the axes, the outer ladder and the inner ladder form an annular ladder, and a telegraph pole is wound in the annular ladder through the outer ladder and the inner ladder so as to solve the problem of weak current ladder; after the outer ladder and the inner ladder form an annular ladder, the bottoms of the outer ladder and the inner ladder can form a stable supporting surface firstly, and secondly, the outer ladder and the inner ladder form an annular ladder, and do not form a contact position with a telegraph pole, and meanwhile, the annular ladder can effectively prevent the situation of toppling, and because the bottoms of the outer ladder and the inner ladder are stably supported and do not topple, a worker is difficult to drive the outer ladder and the inner ladder to move when working; the application effectively solves the problem that the prior ladder is not firm when in use, and simultaneously, workers can move circumferentially around the telegraph pole along the annular ladder in the process of overhauling the cable on the telegraph pole, thereby facilitating multi-position detection without moving the outer ladder and the inner ladder.
2. For convenient interior ladder removes in outer ladder, with arc track inboard and outside fixed connection, the spout is seted up on the arc track outside, establishes the slider outside the ladder inboard with spout looks adaptation, the setting up of slider position can become effectual support and the removal of guaranteeing interior ladder to interior ladder, simultaneously in order to make things convenient for the removal of interior ladder, the orbital quantity of arc is at least one, can make things convenient for the removal of interior ladder through setting up a plurality of arc tracks.
3. In order to prevent the inner ladder from sliding at will on the inner side of the outer ladder, a sealing piece is arranged at one end of the sliding groove, and the movement of the inner ladder is limited by sealing one end of the sliding groove through the sealing piece, so that the inner ladder is prevented from being separated from the outer ladder in the moving process.
4. In order to realize carrying and use of outer ladder and interior ladder, outer ladder and interior ladder all include flexible stand and the semicircle pole as the connecting rod, and the setting of flexible stand can carry out length direction's shrink to outer ladder and interior ladder, and the setting of semicircle pole can be realized the parcel to the wire pole and form stable holding surface.
5. For facilitate the use and prevent that flexible stand from stretching out and drawing back at will when using, flexible stand includes two at least telescopic joint and is equipped with the locking device who is used for spacing to the telescopic joint on the flexible stand, adjusts the restriction to flexible stand through locking device's setting.
6. In order to facilitate the use of the outer ladder and the inner ladder in different geographic environments, the bottom end of the outer body and the bottom end of the inner ladder are both arranged into a cone shape or a plane, the cone-shaped arrangement can be conveniently inserted into loose soil, and the plane arrangement can be conveniently used on a flat ground.
7. In order to prevent that outer ladder and interior ladder from encircling the wire pole and taking place to rock after including, the semicircle pole inboard of outer ladder and the semicircle pole inboard of interior ladder all are provided with at least one butt piece, and the butt piece is including rotating the bracing piece of connecting on the semicircle pole and rotating the butt piece of connecting at the bracing piece, drives the butt piece through the bracing piece and carries out the butt to wire pole outer peripheral face and support outer ladder and interior ladder formation, prevents that outer body and interior ladder from taking place to rock.
8. In order to prevent that outer ladder and interior ladder from rocking too big and leading to the butt piece to slide, be equipped with the elastic cushion in the arc inboard of butt piece, the frictional force between further increase butt piece and the wire pole is out of shape in the butt of elastic cushion, reduces outer ladder and interior ladder and appears rocking the condition.
9. In order to prevent the inner ladder from still sliding after the annular ladder is formed, one end of the sealing piece is fixedly connected with a rope body with a hook, the outer ladder is wound by the rope body after the annular ladder is formed by the outer ladder and the inner ladder, and the rope body is hooked by the hook to form a binding effect, so that the inner ladder is prevented from still sliding after the annular ladder is formed. 10. In order to prevent the staff from slipping down when climbing the outer ladder or the inner ladder, the semicircular rod is provided with a rubber sleeve, and the outer side of the rubber sleeve is provided with friction lines.
Drawings
Fig. 1 is a schematic diagram of a front view structure of a line operation and maintenance ladder according to embodiment 1 of the present application;
fig. 2 is a schematic top view of the line operation and maintenance ladder according to embodiment 1 of the present application;
FIG. 3 is a schematic diagram showing a cross-sectional structure of an arc-shaped track in a line operation and maintenance ladder according to embodiment 1 of the present application;
fig. 4 is a schematic top view of the service state of the line operation and maintenance ladder according to embodiment 1 of the present application;
fig. 5 is a schematic diagram of a front view structure of a line operation and maintenance ladder according to embodiment 2 of the present application;
fig. 6 is a schematic top view of the line operation and maintenance ladder according to embodiment 2 of the present application;
FIG. 7 is a schematic view of a partially sectioned structure of a telescopic column in a line operation and maintenance ladder according to embodiment 2 of the present application;
fig. 8 is a schematic top view of the service state of the line operation and maintenance ladder according to embodiment 3 of the present application;
fig. 9 is an enlarged schematic view of the structure of the line operation and maintenance ladder of embodiment 3 of the present application at a point a in fig. 8. In the attached drawings, a 1-outer ladder, a 2-inner ladder, a 3-arc-shaped track, a 4-chute, a 5-sliding piece, a 6-sealing piece, a 9-locking device, a 10-supporting rod, an 11-abutting piece, a 12-rope body and a 13-hook are arranged.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
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 exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the authorization specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.
Example 1
As shown in fig. 1-4, the line operation and maintenance ladder comprises an outer ladder 1 and an inner ladder 2, wherein the outer ladder 1 and the outer ladder 1 are semicircular, the outer ladder 1 and the inner ladder 2 are identical in axis, the diameter of the inner ladder 2 is smaller than that of the outer ladder 1, the inner ladder 2 is slidably connected to the inner side of the outer ladder 1, and the inner ladder 2 moves around the axis of the outer ladder 1.
Specifically, outer ladder 1 and interior ladder 2 all include two body of rod and many pole of stepping on, and many pole of stepping on are semicircular and both ends respectively with two body of rod fixed connection form the ladder, and outer ladder 1 bottom and interior ladder 2 bottom equal fixedly connected with step on the pole as supporting existence, and the diameter of interior ladder 2 is less than outer ladder 1 diameter, and outer ladder 1 is the same with interior ladder 2 axis, and interior ladder 2 sliding connection is at outer ladder 1 inboard and rotate around the axis, can form closed annular with the wire pole suit in through rotating interior ladder 2 with outer ladder 1.
The utility model discloses a ladder is formed with interior ladder 2 through outer ladder 1 and is connected the wire pole cover in, the bottom can form annular support base behind the outer ladder 2 and the outer ladder 1 form annular ladder, the pole forms firm support base through the step on of two semicircles can prevent effectively that outer ladder 1 and interior ladder 2 from taking place to empty, because outer ladder 1 is connected the wire pole cover with interior ladder 2 so not there is the ladder to lean on the wire pole because the condition that slides and empty, when effectively solving present ladder and having the insecure problem when using, the staff can be operated around the wire pole along the annular ladder that outer ladder 1 and interior ladder 2 formed, the convenience is overhauld the position that is difficult for touching in the past.
As a further optimization of the application: at least one arc-shaped track 3 is arranged between the outer ladder 1 and the inner ladder 2, the inner side of the arc-shaped track 3 is fixedly connected with the outer side of the inner ladder 2, a sliding groove 4 is arranged on the outer side of the arc-shaped track 3, and a sliding piece 5 matched with the sliding groove 4 is arranged on the inner side of the outer ladder 1.
Specifically, install an arc track 3 between outer ladder 1 and interior ladder 2, arc track 3 is the same semicircular with interior ladder 2 axis, arc track 3 fixed connection is in the ladder 2 outside, the spout 4 of seting up along arc track 3 length direction is seted up to one side that interior ladder 2 was kept away from to arc track 3, the slider 5 with spout 4 looks adaptation is fixedly connected with in outer ladder 1 inboard, slider 5 is the pulley in this embodiment, the quantity of slider 5 is a plurality of, a plurality of sliders 5 are along the inboard evenly distributed of arc of outer ladder 1, interior ladder 2 moves through the mutually supporting of spout 4 and pulley, can conveniently remove interior ladder 2 through setting up to the setting of arc track 3 quantity, make interior ladder 2 and outer ladder 1 form annular ladder.
As a further optimization of the application: one end of the chute 4 is provided with a closure member 6.
Specifically, the sealing piece 6 is fixedly connected to one end of the sliding groove 4, and the sealing piece 6 is used for blocking one end of the sliding groove 4, so that the inner ladder 2 moves along one direction, and the inner ladder 2 is prevented from sliding at will inside the outer ladder 1, so that the inner ladder 2 is difficult to use.
Example 2
As shown in fig. 5, 6 and 7, this embodiment has substantially the same structure as embodiment 1, and is further optimized based on embodiment 1: the outer ladder 1 and the inner ladder 2 all include flexible stand and semicircle pole, and the quantity of flexible stand is two, and flexible stand includes at least two telescopic joint nested in proper order, sliding fit between the adjacent telescopic joint, and the equal fixed connection in the corresponding flexible stand circumference in both ends of semicircle pole, and the quantity of semicircle pole is two at least, and semicircle pole evenly distributed is between two flexible stands.
Specifically, the outer ladder 1 and the inner ladder 2 comprise two telescopic upright posts and semicircular rods, the number of the telescopic upright posts is two, the telescopic upright posts comprise telescopic joints which are nested in sequence, the number of the telescopic joints is at least two, the two adjacent telescopic joints are in sliding fit, the semicircular rods are semicircular rod bodies, two ends of each semicircular rod are respectively and fixedly connected with the circumferences of the corresponding two telescopic upright posts, the semicircular rods are positioned between the two telescopic upright posts, and the number of the semicircular rods is at least two and is uniformly and fixedly connected between the two telescopic upright posts; the telescopic stand column can shrink the outer ladder 1 and the inner ladder 2 in the length direction, so that the telescopic stand column is convenient to carry and use; it should be noted that, a semicircular rod is located at the bottom end of the outer ladder 1 and the bottom end of the inner ladder 2 in the outer ladder 1 and the inner ladder 2 to provide a circular support base after the outer ladder 1 and the inner ladder 2 form a ring ladder.
As a further optimization of the application: the telescopic upright post is provided with a locking device 9 for limiting the telescopic joint.
Specifically, in order to facilitate the use of the telescopic upright, the outer ladder 1 and the inner ladder 2 are prevented from sliding randomly in the length direction, a locking device 9 for limiting the telescopic joint is arranged on the telescopic upright, the locking device 9 is arranged between two adjacent telescopic joints, the locking device 9 comprises a spring bulge and a through hole, the through hole is formed in the upper part of the telescopic joint positioned outside, the spring bulge is vertically arranged at the lower part of the outer side of the telescopic joint positioned inside, and the through hole is matched with the spring bulge; when the length of the outer ladder 1 or the inner ladder 2 needs to be stretched, when the expansion joint communication spring bulge located inside moves to the through hole position, the spring bulge bulges out of the through hole under the action of the spring, the through hole is penetrated through by the spring bulge and the inner expansion joint is prevented from moving up and down, when the outer ladder 1 or the inner ladder 2 needs to be contracted, the spring bulge is pressed down to enable the spring bulge to leave the through hole, the expansion joint located inside can freely move, the extension or shortening of the outer ladder 1 and the inner ladder 2 can be completed through the setting of the locking device 9, and the telegraph pole with different heights is convenient to use.
As a further optimization of the application: the bottom ends of the outer ladder 1 and the inner ladder 2 are both conical or plane.
Specifically, in order to facilitate placement of the outer ladder 1 and the inner ladder 2, the bottom ends of the outer ladder 1 and the inner ladder 2 are both conical or planar; the conical bottom end is suitable for uneven or soft ground, and can be conveniently inserted into the surface layer of the ground, so that the firmness is improved; the arrangement of the plane is suitable for leveling the ground, and the unstable bottom ends of the outer ladder 1 and the inner ladder 2 are prevented; in this embodiment the bottom ends of the outer ladder 1 and the inner ladder 2 are planar.
Example 3
As shown in fig. 8 and 9, this embodiment is substantially the same as embodiment 2 in structure, and is further optimized on the basis of embodiment 2: the inner side of the semicircular rod of the outer ladder 1 and the inner side of the semicircular rod of the inner ladder 2 are respectively provided with at least one abutting piece, each abutting piece comprises a supporting rod 10 and an abutting piece 11, one end of each supporting rod 10 is rotationally connected to the semicircular rod, each abutting piece 11 is arc-shaped, and one end, far away from the semicircular rod, of each supporting rod 10 is rotationally connected with the outer arc surface of each abutting piece 11.
Specifically, at least one abutting piece is arranged on the inner side of the semicircular rod of the outer ladder 1 and the inner side of the semicircular rod of the inner ladder 2, the abutting piece comprises a supporting rod 10 and an abutting piece 11, the first end of the supporting rod 10 is rotationally connected to the semicircular rod, the abutting piece 11 is an arc-shaped piece, the other end of the supporting rod 10 is rotationally connected with the outer arc surface of the abutting piece 11, after the outer ladder 1 and the inner ladder 2 encircle a telegraph pole, the outer circumferential surface of the telegraph pole can be abutted through moving the supporting rod 10 and the abutting piece 11, and the abutting piece 11 is an arc-shaped piece, so that the arrangement of the abutting piece can be conveniently attached to the outer circumference of the telegraph pole; the setting of butt spare forms the strong point between outer ladder 1, interior ladder 2 and the wire pole, prevents that outer ladder 1 and interior ladder 2 from taking place to rock, provides firm support to outer ladder 1 and interior ladder 2 through increasing the quantity of butt spare.
As a further optimization of the application: an elastic cushion is provided on the arc inner side of the abutment piece 11.
Specifically, in order to prevent the abutment piece 11 from moving on the utility pole due to the shaking of the outer ladder 1 and the inner ladder 2, an elastic cushion layer is arranged on the arc inner side of the abutment piece 11, the elastic cushion layer is preferably made of rubber, the abutment force between the abutment piece 11 and the utility pole is increased through the arrangement of the elastic cushion layer, the friction force is further increased, and the abutment piece 11 is further prevented from moving on the utility pole.
As a further optimization of the application: one end of the sealing piece 6 is fixedly connected with a rope body 12, and one end of the rope body 12 far away from the sealing piece 6 is fixedly connected with a hook 13.
Specifically, the one end fixedly connected with rope body 12 of sealing member 6, the one end fixedly connected with couple 13 of sealing member 6 is kept away from to rope body 12, when using, interior ladder 2 removes along the orbit of arc track 3, after interior ladder 2 forms annular ladder through removing with outer ladder 1, twine outer ladder 1 and the adjacent flexible stand of interior ladder 2 through rope body 12 and hang on rope body 12 through couple 13 and fix, twine through rope body 12 and couple 13's fixed, with outer ladder 1 and interior ladder 2 fixed connection together, prevent outer ladder 1 and interior ladder 2 in the use separately.
As a further optimization of the application: the semicircular rod is provided with a rubber sleeve, and friction lines are arranged on the outer side of the rubber sleeve.
Specifically, in order to prevent that the staff from slipping off and falling when climbing the semicircular rod, cup jointed the rubber sleeve on the semicircular rod, the rubber sleeve outside is equipped with the friction line that is used for increasing frictional force, can effectively increase the frictional force between human body and the semicircular rod through the setting of rubber sleeve and friction line, the condition that the slippage falls when reducing to climb the semicircular rod takes place. At present, the technical scheme of the application has been subjected to pilot-scale experiments, namely small-scale experiments of products before large-scale mass production; after the pilot test is completed, the use investigation of the user is performed in a small range, and the investigation result shows that the user satisfaction is higher; now, the preparation of the formal production of the product for industrialization (including intellectual property risk early warning investigation) is started.
Claims (10)
1. A line operation maintenance ladder is characterized in that: including outer ladder (1) and interior ladder (2), outer ladder (1) with outer ladder (1) are semi-circular, outer ladder (1) with interior ladder (2) axis is the same, interior ladder (2) diameter is less than outer ladder (1), interior ladder (2) sliding connection is in outer ladder (1) inboard, interior ladder (2) are around outer ladder (1) axis removal, can form closed annular with outer ladder (1) through rotating interior ladder (2) and connect the wire pole cover in.
2. The line operation and maintenance access ladder of claim 1, wherein: the novel ladder is characterized in that at least one arc-shaped track (3) is arranged between the outer ladder (1) and the inner ladder (2), the inner side of the arc-shaped track (3) is fixedly connected with the outer side of the inner ladder (2), a sliding groove (4) is formed in the outer side of the arc-shaped track (3), and a sliding piece (5) matched with the sliding groove (4) is arranged on the inner side of the outer ladder (1).
3. The line operation and maintenance access ladder of claim 2, wherein: one end of the sliding groove (4) is provided with a sealing piece (6).
4. A line operation and maintenance access ladder according to claim 3, characterized in that: the outer ladder (1) with interior ladder (2) all include flexible stand and semicircle pole, the quantity of flexible stand is two, flexible stand includes two at least telescopic joint nested in proper order, adjacent sliding fit between the telescopic joint, the equal fixed connection in the both ends of semicircle pole is corresponding on flexible stand circumference, the quantity of semicircle pole is two at least, semicircle pole evenly distributed is two between the flexible stand.
5. The line operation and maintenance access ladder of claim 4, wherein: the telescopic upright post is provided with a locking device (9) for limiting the telescopic joint.
6. The line operation and maintenance access ladder of claim 5, wherein: the bottom end of the outer ladder (1) and the bottom end of the inner ladder (2) are both conical or plane.
7. The line operation and maintenance access ladder of claim 6, wherein: the inner side of the semicircular rod of the outer ladder (1) and the inner side of the semicircular rod of the inner ladder (2) are respectively provided with at least one abutting piece, each abutting piece comprises a supporting rod (10) and an abutting piece (11), one end of each supporting rod (10) is rotationally connected to the semicircular rod, each abutting piece (11) is arc-shaped, and one end, far away from the semicircular rod, of each supporting rod (10) is rotationally connected with the outer cambered surface of each abutting piece (11).
8. The line operation and maintenance access ladder of claim 7, wherein: an elastic cushion layer is arranged on the arc inner side of the supporting piece (11).
9. The line operation and maintenance access ladder of claim 8, wherein: one end of the sealing piece (6) is fixedly connected with a rope body (12), and one end of the rope body (12) away from the sealing piece (6) is fixedly connected with a hook (13).
10. The line operation and maintenance access ladder of claim 9, wherein: the semicircular rod is provided with a rubber sleeve, and friction lines are arranged on the outer side of the rubber sleeve.
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| CN202210220583.3A CN114658347B (en) | 2022-03-07 | 2022-03-07 | Line operation maintenance ladder |
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| CN202210220583.3A CN114658347B (en) | 2022-03-07 | 2022-03-07 | Line operation maintenance ladder |
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| CN114658347B true CN114658347B (en) | 2023-08-29 |
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| CN114658347A (en) | 2022-06-24 |
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