CN105019812A - Electrocircuit maintenance ladder - Google Patents

Electrocircuit maintenance ladder Download PDF

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Publication number
CN105019812A
CN105019812A CN201510411035.9A CN201510411035A CN105019812A CN 105019812 A CN105019812 A CN 105019812A CN 201510411035 A CN201510411035 A CN 201510411035A CN 105019812 A CN105019812 A CN 105019812A
Authority
CN
China
Prior art keywords
cleat stanchion
bearing seat
load bearing
hole
locking bar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510411035.9A
Other languages
Chinese (zh)
Inventor
徐培钟
余登会
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201510411035.9A priority Critical patent/CN105019812A/en
Publication of CN105019812A publication Critical patent/CN105019812A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/14Ladders capable of standing by themselves
    • E06C1/24Non-hinged free-standing ladders
    • E06C1/28Non-hinged free-standing ladders multi-part
    • E06C1/30Non-hinged free-standing ladders multi-part extensible, e.g. telescopic
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/38Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/381Ladders with rungs or treads attached only to one rigid longitudinal member
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/38Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/387Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders having tip-up steps
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/06Securing devices or hooks for parts of extensible ladders
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/08Special construction of longitudinal members, or rungs or other treads
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/08Special construction of longitudinal members, or rungs or other treads
    • E06C7/081Rungs or other treads comprising anti-slip features
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/08Special construction of longitudinal members, or rungs or other treads
    • E06C7/082Connections between rungs or treads and longitudinal members
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/42Ladder feet; Supports therefor
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/42Ladder feet; Supports therefor
    • E06C7/46Non-skid equipment
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/50Joints or other connecting parts
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
  • Seats For Vehicles (AREA)
  • Ladders (AREA)

Abstract

An electrocircuit maintenance ladder is disclosed. A connecting base is fixed on a fixed seat. A connecting shaft passes through a pin hole in the connecting base and a pin hole in the lower part of a bearing seat so as to connect the connecting base and the bearing seat together. An inner conical hole matches an outer conical surface, and an inner conical surface and the outer conical surface which fit well with each other are automatically locked through cooperation between a brake slot and a brake head. A gravity cone is installed on the bearing seat. A pedal is fixed on each ladder pillar. The electrocircuit maintenance ladder has a concise structure and is very convenient to manufacture, install and use. Upright climbing and standing problems are solved for high voltage lines maintenance personnel. During climbing, the electrocircuit maintenance ladder is rapid, convenient, safe and reliable to assemble and is convenient to climb. After use of the ladder, the ladder is convenient to dismantle, package and transport. Thus, production cost and use cost are reduced.

Description

Maintenance circuit ladder
Technical field
The present invention relates to a kind of maintenance circuit ladder for overhauling delivery circuit.
Background technology
Near the conveying circuit of high-tension electricity plant be implanted with trees, along with the growth of trees, its limb from high-voltage line very close to, sometimes even contact with high-voltage line, need the limb of artificial pruning trees to protect high-tension line; Because not upright climbing is to the instrument of the height of branch, the way of high-tension line maintenance personal is that whole for trees is cut down, and compromises green environment, is unfavorable for environmental protection.When the maintenance of high-voltage line, first maintainer climbs up electric pole, then climbs up high-voltage line, stands in or lie prone to check on high-voltage line and to be fastenedly connected nut, but high-voltage line is unstable, often causes maintenance accident.
Summary of the invention
The object that the present invention relates to is to provide a kind of the maintenance circuit ladder and the manufacture method thereof that are easy to Rapid Combination and quick-detachment.
For achieving the above object, maintenance circuit ladder of the present invention mainly comprises holder, Connection Block, lock bolt, connecting axle, load bearing seat, gravity cone, cleat stanchion, connector, self-locking device, male cone (strobilus masculinus), Inner taper hole, inner conical surface;
Described maintenance circuit ladder adopts single column support type, and holder and Connection Block, load bearing seat, cleat stanchion and connector are combined into single-column tandem, and the carrier carrying the weight that cleat stanchion and connector and cleat stanchion and connector bear is holder; When installing cleat stanchion, holder and the cradle head of the setting angle of load bearing seat can be regulated to be the Connection Block that is connected of connecting axle and load bearing seat.
Described holder is fixed with Connection Block, Connection Block there are pin-and-hole and locking screw, connecting axle links together Connection Block and load bearing seat through the pin-and-hole of the pin-and-hole on Connection Block and load bearing seat bottom, and lock bolt exceedes the lock bolt of locking screw screw end after screwing in the locking screw on Connection Block is pressed in the lower part locking load bearing seat of load bearing seat and the fit angle of holder.The Inner taper hole of the oriented lower recess in upper surface of described load bearing seat, load bearing seat is coordinated with the male cone (strobilus masculinus) of cleat stanchion lower end by Inner taper hole and is fixed, and coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with the brake head be arranged in cleat stanchion by the breaker slot on the locking bar bottom the mesopore that is fixed on load bearing seat, being provided with in the outside of the Inner taper hole part of load bearing seat lives turns hole, and the taper shank of the upper end of gravity cone inserts to live and to turn in hole fixing and turns in hole and can freely rotate living.Inner taper hole is had at the two ends of connector, the male cone (strobilus masculinus) of two cleat stanchions inserts in the Inner taper hole at connector two ends respectively, coordinated with the male cone (strobilus masculinus) of cleat stanchion by Inner taper hole and fix, and being coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with the brake head be arranged in cleat stanchion by the breaker slot on the locking bar bottom the mesopore that is fixed on connector.Cleat stanchion is fixed with riding boogie board.
In the Inner taper hole of the male cone (strobilus masculinus) insertion load bearing seat of described cleat stanchion lower end or in the Inner taper hole of the connector of insertion connector upper end, the male cone (strobilus masculinus) of cleat stanchion upper end inserts in the Inner taper hole of the connector of connector lower end, the sliding eye of male cone (strobilus masculinus) end is enclosed within locking bar, breaker slot on locking bar coordinates with the brake head of banking pin and locks locking bar and do not slide, and then locks coordinating of inner conical surface and male cone (strobilus masculinus).
Described Inner taper hole is the hole having tapering, comprises the Inner taper hole of load bearing seat and the Inner taper hole of connector, has inner conical surface in Inner taper hole.Described Inner taper hole is coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with banking pin by the breaker slot on locking bar after coordinating with the male cone (strobilus masculinus) of cleat stanchion and fixing.In order to enable Inner taper hole and male cone (strobilus masculinus) close fit, the tapering of described Inner taper hole is consistent with the tapering of male cone (strobilus masculinus).
Described self-locking device comprises brake hole, banking pin, thrust spring, locking bar, sliding eye, breaker slot, thrust spring and banking pin are installed in described brake hole, banking pin stretches out the surface of cleat stanchion from the central part of thrust spring through one end of back handle, one end of brake head is stretched in sliding eye and coordinated with the breaker slot locking bar, and one end of thrust spring is pressed on the brake head of banking pin, the other end withstands on brake hole or withstand on the jump ring that is fixed in brake hole; Described locking bar has breaker slot, and breaker slot coordinates the inner conical surface and male cone (strobilus masculinus) that are automatically locked and post with the brake head of banking pin.
Described holder is disking body or is in strip interconnection shape, the middle part of disking body or bar shaped interconnection shape be fixed with Connection Block above; Described holder fixed connecting base, stable and support cleat stanchion and bear all wt that Connection Block bears; Skid-proof rubber is had at the partial fixing of holder and earth surface.
Described Connection Block supports and installs the pedestal of connecting axle, Connection Block has pin-and-hole and locking screw, and pin-and-hole is for installing with fixed connection shaft and bearing all wt that connecting axle bears.
Near the pin-and-hole of described locking screw on Connection Block, for assembling lock bolt and purl screw can be rotated in locking screw, the screw end of lock bolt is made to be pressed in the lower part locking load bearing seat of load bearing seat and the fit angle of holder.
Described lock bolt is screw, can rotate in locking screw, produces and rub and play locking effect when screw end contacts with the lower part of load bearing seat.
Described connecting axle is pivot pin or bolt, for connecting Connection Block and load bearing seat and bearing all wt that load bearing seat bears.
Described load bearing seat is Connection Block, lower part has horizontal pin-and-hole, and there is Inner taper hole the upper end of upper part, and there is mesopore below Inner taper hole or the inside, and Inner taper hole and mesopore are directly through, is fixed with locking bar at the middle part of the bottom of mesopore; The center line of described pin-and-hole and the central axis of Inner taper hole; Being provided with work in the outside of the Inner taper hole part of load bearing seat and turning hole, it is circular hole that work turns hole, lives in turning in hole in being provided with gravity cone; Being connected with Connection Block below by connecting axle of load bearing seat, be connected with cleat stanchion by Inner taper hole above; Described load bearing seat for support and stable cleat stanchion and connector connection and bear the weight that cleat stanchion bears.
Described gravity cone is the vertical bar with taper shank, and taper shank is vertical with vertical bar, and taper shank inserts to live and turns fixing in hole and turn in hole can freely rotate alive; Described gravity cone for directly observe cleat stanchion and the ground be arranged on load bearing seat angle and as adjusting cleat stanchion perpendicular to reference object during horizontal plane.
Described gravity cone can fit together forming unit entirety with load bearing seat, is convenient to the combination assembling of maintenance circuit ladder.
Described cleat stanchion is the cylinder that there is male cone (strobilus masculinus) at two ends, and the end face at cleat stanchion two ends has sliding eye, and sliding eye stretches in the cylinder of cleat stanchion in the end of cleat stanchion, in the cylinder of the cleat stanchion near male cone (strobilus masculinus), have brake hole wear out the surface of cylinder and communicate with sliding eye.
The end face at the two ends of described connector has Inner taper hole, and there is mesopore the inside of Inner taper hole, is fixed with locking bar in the bottom of mesopore.
Described banking pin comprises brake head, middle part and handle three part, and three parts are connected, and banking pin is through after thrust spring in brake hole, and brake head enters in sliding eye and coordinates with the breaker slot on locking bar, and handle portion stretches out the damaged surface of cleat stanchion; Described brake head towards the one side on locking bar top be face directly, towards the one side of locking bar fixed end be arcwall face or acute angle bevel, arcwall face or acute angle bevel retreat for allowing the oblique promotion brake head in the leading section of locking bar, and the one side faced directly for the right-angle side with breaker slot coordinates locked locking bar.
Described locking bar is cylinder, is fixed on the bottom of the mesopore inside Inner taper hole, and locking bar can slide at sliding eye, and locking bar has breaker slot.Described breaker slot is the groove of right triangular shape or the inclined-plane of right-angled triangle is changed into the groove of arc-shaped side, corresponding with the position of brake head on locking bar; The groove top of described right-angled triangle groove is acute angle, one side before breaker slot be right-angle side face, be locking face, locking face coordinates can stand fast by locking locking bar with facing directly of brake head, and the one side of hypotenuse coordinates with the inclined-plane of brake head end and limits the degree of depth that brake head inserts breaker slot; Described breaker slot is used for coordinating with brake head and producing locking effect, then the locked inner conical surface that posts and male cone (strobilus masculinus), and then makes connector and cleat stanchion and load bearing seat and cleat stanchion fixation.
Described sliding eye is bearing bore in the end of cleat stanchion or through hole, communicates, for holding locking bar and allowing locking bar slide in sliding eye with brake hole.
Described brake hole is worn out the surface of cylinder and is communicated with sliding eye in the cleat stanchion near male cone (strobilus masculinus), corresponding with the position of the breaker slot on locking bar.Thrust spring and banking pin are installed in brake hole, the handle portion of banking pin inserts in sliding eye from stretching out the surface of cleat stanchion, the brake head of banking pin after the central part of thrust spring passes or inserts in the breaker slot locking bar after stretching out brake hole, thrust spring is arranged on the middle part of banking pin, and one end of thrust spring is pressed on the brake head of banking pin, the other end withstands on brake hole.
Described brake hole can also be separately cavity, the housing with the mating shapes of brake hole is inlaid with in brake hole, when housing exposes the damaged surface of cleat stanchion in brake hole, the one end of exposing the damaged surface of cleat stanchion connects with screw or rivets or be welded on the damaged surface of cleat stanchion; When housing does not expose the damaged surface of cleat stanchion in brake hole, connect with screw or rivet or weld or be fixed in brake hole with jump ring; The inside and outside two ends of described housing manufacture porose, banking pin and thrust spring are installed in housing, thrust spring is arranged between brake head and housing, stretches out, brake head stretches out from the hole of the inner face of housing after the handle of banking pin passes from the centre of thrust spring from the hole of housing outer face.Described housing for installing banking pin and thrust spring, and banking pin can be moved in housing.
Described thrust spring is helical spring, and the breaker slot for the brake head with locking bar that promote banking pin coordinates and completes automatic locking.
Described mesopore in the inside of Inner taper hole, for cleat stanchion male cone (strobilus masculinus) end insert Inner taper hole time not inconsistent with the bottom of Inner taper hole, be convenient to the close fit of inner conical surface and male cone (strobilus masculinus).
Described riding boogie board comprises ear seat and foot hold, and ear seat is fixed on cleat stanchion, and foot hold is fixed on the top-direction be merely able to ladder on ear seat by pivot pin and draws in; On foot hold, cover has antiskid glue sleeve or be fixed with skid-proof rubber above foot hold, landing when antiskid glue sleeve and skid-proof rubber can prevent pin from stepping down on foot hold.
The inner conical surface of described Inner taper hole is used for coordinating with male cone (strobilus masculinus) and installing cleat stanchion and connector, realize load bearing seat and cleat stanchion the fixing fast of fixing and cleat stanchion and connector fast, be beneficial to the quick assembling of cleat stanchion and connector and load bearing seat and quick demolition, play Fast Installation and effect fixing fast; And then make load bearing seat and cleat stanchion and cleat stanchion and connector fixation respectively.
In order to increase connectivity robustness and the stability of maintenance circuit ladder, improving the speed of installation and demolition, described cleat stanchion and load bearing seat and the connection between cleat stanchion and connector and fixingly all adopt cone match, being beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) of cleat stanchion, in the Inner taper hole of load bearing seat, is coordinated with banking pin by the breaker slot on locking bar and pins and lock the male cone (strobilus masculinus) of cleat stanchion with coordinating of the inner conical surface of load bearing seat and do not loosen; The male cone (strobilus masculinus) of cleat stanchion, in the Inner taper hole of connector, is coordinated with banking pin by the breaker slot on locking bar and pins and lock the male cone (strobilus masculinus) of cleat stanchion and do not loosen with coordinating of the inner conical surface of connector.During assembling, inner conical surface and male cone (strobilus masculinus) are at the gravity born and press tighter and tighter under the effect of the self gravitation of cleat stanchion and connector and realize automatic fastening; During demolition, pull the handle of banking pin, after the brake head of banking pin front end exits the breaker slot on locking bar, cleat stanchion upwards one is lifted cleat stanchion and automatically will be separated with Inner taper hole or connector upwards one is lifted cleat stanchion and automatically will be separated with Inner taper hole.
The conical surface comprises inner conical surface and male cone (strobilus masculinus), and the cross section of the conical surface is the circular conical surface, or the polygonal conical surface, or the conical surface of circular arc, or the special-shaped conical surface that circular arc and line segment form.
In order to support cleat stanchion on the ground having angle of inclination, when holder is laid on a horizontal ground, the central axis of load bearing seat, in holder, ensure that the verticality being arranged on cleat stanchion on load bearing seat and horizontal plane; When holder is placed on the ground of inclination, load bearing seat can rotate certain angle around connecting axle on holder, ensure that the verticality being arranged on cleat stanchion on load bearing seat and horizontal plane.
Connecting axle is adopted to be fastened on Connection Block on holder and load bearing seat, make load bearing seat can rotate certain angle around connecting axle on holder, reach when holder is placed on the ground of inclination and ensure that the cleat stanchion be arranged on load bearing seat keeps the object perpendicular to horizontal plane.
In order to enable maintenance circuit ladder assemble fast, holder, Connection Block, connecting axle and load bearing seat can also be the entirety fitted together.
In order to can the locking inner conical surface of working good and male cone (strobilus masculinus) not loosen, the inner conical surface that described brake hole, banking pin, thrust spring, locking bar and sliding eye composition locking system is locked works good and male cone (strobilus masculinus).
In order to reduce costs and alleviate the weight of maintenance circuit ladder, described holder and cleat stanchion are hollow body or solid; Described cleat stanchion and connector are individual layer or multilayer in the combination of maintenance circuit ladder, and holder is individual layer in the combination of maintenance circuit ladder.
In order to ensure that cleat stanchion is all the time perpendicular to horizontal plane, adopt lock bolt to produce by rotation forces load bearing seat and Connection Block the angle angle that frictional force fixes load bearing seat and holder, when holder is placed on the ground of inclination, ensure that the cleat stanchion be arranged on load bearing seat remains perpendicular to horizontal plane.
Bore to make gravity and can remain perpendicular to horizontal plane, the taper shank of described gravity cone is in the upper end of vertical bar, and the center of gravity that gravity is bored is lower than the position of taper shank.
For the ease of using and depositing, described maintenance circuit ladder is when needs use, and its all composition accessory can be combined into ladder; The not used time, its all composition accessory can both be dismantled, and is convenient to packaging and storing.
In order to reduce the consumption of maintenance circuit ladder and be convenient to store and keeping, all building blocks of described maintenance circuit ladder can be reused.
Conveniently transport, described cleat stanchion, connector, holder and load bearing seat can be dismantled completely becomes independent parts, is beneficial to packaging and transport.
Maintenance circuit ladder, when assembling, A, to be fixed on Connection Block above holder, then load bearing seat is connected to above Connection Block by connecting axle and Connection Block.B, again one end of cleat stanchion insert load bearing seat Inner taper hole in, under the effect of self gravitation, the male cone (strobilus masculinus) of cleat stanchion and the inner conical surface of load bearing seat are naturally fitted and fix, and the gravity depressed from cleat stanchion is larger, and it is closely and more more firm that inner conical surface and male cone (strobilus masculinus) are fitted; When the male cone (strobilus masculinus) of cleat stanchion inserts Inner taper hole, locking bar is inserted in sliding eye, when locking bar enters into the position of brake head, the leading section of locking bar pushes the arcwall face of locking head or the oblique promotion brake head compression thrust spring of acute angle bevel and outwards makes a concession, and the front end of locking bar passes through the position of brake head; When locking bar is through after brake head, when the male cone (strobilus masculinus) of cleat stanchion contacts firm with the inner conical surface of the Inner taper hole of load bearing seat, brake head enters in the breaker slot on locking bar under the powered of thrust spring, facing directly of brake head coordinates locked locking bar to stand fast with the one side of lock groove right-angle side, the inner conical surface of laminating and male cone (strobilus masculinus) locked, complete fixing and locking of cleat stanchion and load bearing seat.Point-blank whether the parallel lines of C, the center line of vertical bar observing gravity cone and the center line of cleat stanchion, time not point-blank, the center line of the vertical bar that the upper end of moving the cleat stanchion inserted on load bearing seat makes the parallel lines of the center line of cleat stanchion and gravity bore point-blank, the lock bolt be rotationally connected again on seat compresses the lower part of load bearing seat, load bearing seat can not be rotated around connecting axle, allow the angle of holder and load bearing seat remain unchanged, ensure that the cleat stanchion be arranged on above load bearing seat is perpendicular to horizontal plane; Time point-blank, the lock bolt be just directly rotationally connected on seat compresses the lower part of load bearing seat, load bearing seat can not be rotated around connecting axle, allow the angle of holder and load bearing seat remain unchanged, ensure that the cleat stanchion be arranged on above load bearing seat is perpendicular to horizontal plane.D, the Inner taper hole below connector is enclosed within cleat stanchion upper end, under the effect of self gravitation, the male cone (strobilus masculinus) of cleat stanchion and the inner conical surface of connector are naturally fitted and fix, and the gravity depressed from connector is larger, and it is closely and more more firm that inner conical surface and male cone (strobilus masculinus) are fitted; Time on the male cone (strobilus masculinus) that the internal taper hole of connector lower end is enclosed within cleat stanchion, locking bar is inserted in sliding eye, when locking bar enters into the position of brake head, the leading section of locking bar pushes the arcwall face of brake head or the oblique promotion brake head compression thrust spring of acute angle bevel and outwards makes a concession, and the front end of locking bar passes through the position of brake head; When locking bar is through after brake head, when the male cone (strobilus masculinus) of cleat stanchion contacts firm with the inner conical surface of the Inner taper hole of connector, brake head enters in the breaker slot on locking bar under the powered of thrust spring, facing directly of brake head coordinates locked locking bar to stand fast with the one side of lock groove right-angle side, laminating Inner taper hole and male cone (strobilus masculinus) locked.E, again in the Inner taper hole of connector upper end again by the lower end of cleat stanchion insert connector Inner taper hole in, under the effect of self gravitation, the male cone (strobilus masculinus) of cleat stanchion and the inner conical surface of connector are naturally fitted and fix, and the gravity depressed from cleat stanchion is larger, it is closely and more more firm that inner conical surface and male cone (strobilus masculinus) are fitted; When the male cone (strobilus masculinus) of cleat stanchion inserts Inner taper hole, locking bar is inserted in sliding eye, when locking bar enters into the position of brake head, the leading section of locking bar pushes the arcwall face of brake head or the oblique promotion brake head compression thrust spring of acute angle bevel and outwards makes a concession, and the front end of locking bar passes through the position of brake head; When locking bar is through after brake head, when the male cone (strobilus masculinus) of cleat stanchion contacts firm with the inner conical surface of the Inner taper hole of connector, brake head enters in the breaker slot on locking bar under the powered of thrust spring, facing directly of brake head coordinates locked locking bar to stand fast with the one side of lock groove right-angle side, laminating Inner taper hole and male cone (strobilus masculinus) locked.F, can again the male cone (strobilus masculinus) of cleat stanchion be inserted in the Inner taper hole of connector according to D and E method and step or the internal taper hole of connector is enclosed within the male cone (strobilus masculinus) of cleat stanchion again, complete being connected and fixed and locking between cleat stanchion and connector.The assembling of cleat stanchion and load bearing seat and cleat stanchion and connector is very convenient, just can complete without any need for instrument.
When the cleat stanchion of dismountable and connector, pull the handle of banking pin, after the brake head of banking pin front end exits the breaker slot on locking bar, as long as cleat stanchion or connector upwards one are lifted, cleat stanchion will separate automatically with connector, and locking bar skids off from sliding eye.During fixing on dismounting load bearing seat cleat stanchion, pull the handle of banking pin, after the brake head of banking pin front end exits the breaker slot on locking bar, as long as cleat stanchion upwards one is lifted, cleat stanchion will separate automatically with load bearing seat, and locking bar skids off from sliding eye.The dismounting of cleat stanchion and load bearing seat and cleat stanchion and connector is very convenient, just can complete without any need for instrument.
High-tension line maintenance personal is when examination and repair for high-pressure circuit, run into when having branch Distance High Voltage Electricity Transfer very near or line joint need maintenance time, first holder is placed steadily on the ground, combining holder again, Connection Block, the load bearing seat of connecting axle and load bearing seat plug first cleat stanchion above after, needing the cleat stanchion of height and needing the connector of quantity to take with oneself, pin steps down on the foot hold on cleat stanchion and climbs up, one section of assembling one section can be climbed, when climbing to the top of ladder in the process of cat ladder, climb up again after inserting a cleat stanchion in superincumbent Inner taper hole again.During descending stair, step down on foot hold and down climb, next section tears a cleat stanchion open, very convenient.
The manufacture method of described maintenance circuit ladder, is characterized in that:
During fabrication, maintenance circuit ladder is created single column support type, holder and the rotatable locking seat of ball, load bearing seat, cleat stanchion and connector are combined into single-column tandem, and holder creates the pedestal of the weight that carrying cleat stanchion and connector and cleat stanchion and connector bear; The Connection Block connect connecting axle and load bearing seat create the cradle head of the setting angle that can regulate holder and load bearing seat; Holder, Connection Block, load bearing seat, cleat stanchion and connector adopt the plastics manufacture of metal material or high strength, and holder and cleat stanchion create hollow body or solid; When holder, Connection Block, load bearing seat, cleat stanchion and connector adopt the metal material got rusty easily to manufacture, after manufacture is good, want rust prevention by applying liquid material paint antirust.
Described holder creates dish type or bar shaped cross-like, and the middle part of the middle part of dish type or bar shaped cross-like is fixed with Connection Block; Skid-proof rubber is had at the partial fixing of holder and earth surface.
Described Connection Block creates the pedestal supporting and install connecting axle, and Connection Block manufactures pin-and-hole and locking screw.
Described locking screw is manufactured near the pin-and-hole on Connection Block, is equipped with lock bolt in locking screw.
Described lock bolt creates screw, can rotate in locking screw.
Described holder and Connection Block manufacture as a whole, or the formation entirety that is fixed together after separately manufacturing.
Connecting axle creates pivot pin or bolt, is fixed on Connection Block and is connected with load bearing seat.
Described load bearing seat creates Connection Block, lower part manufacture has horizontal pin-and-hole, and the upper end of upper part manufactures Inner taper hole, and manufacturing below Inner taper hole has mesopore, Inner taper hole and mesopore are directly through, are fixed with locking bar at the middle part of the bottom of mesopore; The center line of described pin-and-hole and the central axis of Inner taper hole; Having to live in the manufacture of the outside of the Inner taper hole part of load bearing seat and turning hole, work being turned hole and creates circular hole, gravity cone is installed in circular hole; Being connected with Connection Block below by connecting axle of load bearing seat, the Inner taper hole that passes through above of load bearing seat coordinates with the male cone (strobilus masculinus) of cleat stanchion with locking bar and is connected and fixes.
Described gravity bores the vertical bar created with taper shank, and taper shank is vertical with vertical bar, and taper shank inserts to live and turns fixing in hole and turn in hole can freely rotate alive.
Described holder, Connection Block, connecting axle and load bearing seat can also be assembled into the entirety of a combination, are beneficial to rapid-assembling maintenance circuit ladder.
Described cleat stanchion creates two ends the cylinder that male cone (strobilus masculinus) is good, the end face at cleat stanchion two ends has all manufactured sliding eye, sliding eye creates and stretches in the cylinder of cleat stanchion in the end of cleat stanchion, manufacturing in the cylinder of the cleat stanchion near male cone (strobilus masculinus) has brake hole wear out the surface of cylinder and communicate with sliding eye, and cleat stanchion is fixed with riding boogie board.
Described riding boogie board creates ear seat and foot hold two parts, and ear seat is fixed on cleat stanchion, and foot hold is fixed on the top-direction be merely able to ladder on ear seat by pivot pin and draws in; On foot hold, cover has anti-skidding antiskid glue sleeve or above foot hold, is fixed with anti-skidding skid-proof rubber.
The end face at the two ends of described connector has all manufactured Inner taper hole, and the inside of Inner taper hole manufactures mesopore, is fixed with locking bar in the bottom of mesopore.
Described sliding eye is manufactured on the end at cleat stanchion two ends, creates bearing bore or through hole, communicates with brake hole.
Described brake hole is manufactured on the surface that cleat stanchion wears out cylinder in the cylinder of male cone (strobilus masculinus), communicates with sliding eye, corresponding with the position of the breaker slot on locking bar.Thrust spring and banking pin are installed in brake hole, the handle portion of banking pin from stretching out the surface of cleat stanchion after the central part of thrust spring passes, the brake head of banking pin stretch out brake hole after with insert in sliding eye or insert in the breaker slot locking bar, thrust spring is arranged on the middle part of banking pin, and one end of thrust spring is pressed on the brake head of banking pin, the other end withstands on brake hole.
Described brake hole can also create independent hole, the housing with the mating shapes of brake hole is inlaid with in brake hole, when housing exposes the damaged surface of cleat stanchion in brake hole, the one end of exposing the damaged surface of cleat stanchion connects with screw or rivets or be welded on the damaged surface of cleat stanchion; When housing does not expose the damaged surface of cleat stanchion in brake hole, connect with screw or rivet or weld or be fixed in brake hole with jump ring; The inside and outside two ends of described housing manufacture porose, banking pin and thrust spring are installed in housing, thrust spring is arranged between brake head and housing, stretches out, brake head stretches out from the hole of the inner face of housing after the handle of banking pin passes from the centre of thrust spring from the hole of housing outer face.
Described locking bar creates cylinder, and locking bar manufactures breaker slot; Described breaker slot creates the groove of right triangular shape, and be manufactured on locking bar corresponding with the position of brake head, groove top creates acute angle, and the locking face of breaker slot creates the face of right-angle side.
Described banking pin creates brake head, middle part and handle three part, three parts create one, banking pin is arranged on through after thrust spring in brake hole, and brake head enters in sliding eye and coordinates with the breaker slot on locking bar, and handle portion stretches out the damaged surface of cleat stanchion; The leading section of described brake head creates arcwall face or acute angle bevel and faces the shape of composition directly, creates face directly, create arcwall face or acute angle bevel towards the one side of locking bar fixed end towards the one side on locking bar top.
Thrust spring creates helical spring.
The connection of described cleat stanchion and load bearing seat and cleat stanchion and connector and fixingly all adopt cone match, is beneficial to quick assembling and quick demolition; During assembling, cleat stanchion and load bearing seat and cleat stanchion and connector are pressed tighter and tighter and are realized automatic fastening under the effect of the gravity born and self gravitation; During demolition, after pulling handle to make banking pin exit breaker slot, cleat stanchion and connector are lifted will automatically be separated respectively to upper one.
The conical surface creates inner conical surface and male cone (strobilus masculinus), inner conical surface and male cone (strobilus masculinus) create the taper surface of point, the cross section of the conical surface creates the circular conical surface, or create the polygonal conical surface, or create the conical surface of circular arc, or create the special-shaped conical surface that circular arc and line segment form.
Tapering and the tapering that male cone (strobilus masculinus) coordinates of described Inner taper hole create consistent or close to consistent tapering.
In order to support cleat stanchion on the ground having angle of inclination, when holder is laid on a horizontal ground, the central axis of load bearing seat, in holder, ensure that the verticality being arranged on cleat stanchion on load bearing seat and horizontal plane; When holder is placed on the ground of inclination, load bearing seat can rotate certain angle around connecting axle on holder, ensure that the verticality being arranged on cleat stanchion on load bearing seat and horizontal plane.
Described holder is fixed with Connection Block, Connection Block has pin-and-hole and locking screw, connecting axle links together Connection Block and load bearing seat through the pin-and-hole of the pin-and-hole on Connection Block and load bearing seat bottom, and load bearing seat is provided with gravity cone; Lock bolt exceedes the lock bolt of locking screw screw end after screwing in the locking screw on Connection Block is pressed in the lower part locking load bearing seat of load bearing seat and the fit angle of holder.Described load bearing seat is coordinated with the male cone (strobilus masculinus) of cleat stanchion lower end and is fixed by Inner taper hole, and is coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with the brake head be arranged in cleat stanchion by the breaker slot on the locking bar bottom the mesopore that is fixed on load bearing seat; Manufacture in the outside of the Inner taper hole part of load bearing seat that having lives turns hole, the taper shank of the upper end of gravity cone inserts to live and to turn in hole fixing and turns in hole and can freely rotate living.Inner taper hole is had at the two ends of connector, the male cone (strobilus masculinus) of two cleat stanchions inserts in the Inner taper hole at connector two ends respectively, coordinated with the male cone (strobilus masculinus) of cleat stanchion by Inner taper hole and fix, and being coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with the brake head be arranged in cleat stanchion by the breaker slot on the locking bar bottom the mesopore that is fixed on connector.Cleat stanchion is fixed with riding boogie board.
Maintenance circuit ladder of the present invention simple for structure, manufacture, install and use very convenient, maintenance circuit ladder does not need instrument in assembly and disassembly process, solve the difficult problem that high-tension line maintenance personal uprightly climbs and stands, during climbing, the speed of assembling circuit maintenance ladder is fast, convenient, safe and reliable, and climbing is convenient; After using, dismounting, packaging and convenient transportation, reduce cost of production and use cost.
Accompanying drawing explanation
Fig. 1 is the package assembly schematic diagram of maintenance circuit ladder;
Fig. 2 is the structural representation of cleat stanchion;
Fig. 3 is the structural representation of connector;
Fig. 4 is the cross-sectional schematic of load bearing seat;
Fig. 5 is the surface structure schematic diagram that load bearing seat and holder combine;
Fig. 6 to Fig. 9 is the schematic appearance of the top view that load bearing seat and holder combine.
Shown in figure: load bearing seat 1, cleat stanchion 2, connector 3, locking bar 4, brake hole 5, banking pin 6, thrust spring 7, mesopore 8, sliding eye 9, male cone (strobilus masculinus) 10, inner conical surface 11, Inner taper hole 12, riding boogie board 13, pin-and-hole 14, connecting axle 15, holder 16, Connection Block 17, lock bolt 18, gravity cone 19.
Detailed description of the invention
Maintenance circuit ladder of the present invention mainly comprises holder 16, Connection Block 17, lock bolt 18, connecting axle 15, load bearing seat 1, gravity cone 19, cleat stanchion 2, connector 3, self-locking device, male cone (strobilus masculinus) 10, Inner taper hole 12, inner conical surface 11;
Described maintenance circuit ladder adopts single column support type, and holder 16 and Connection Block 17, load bearing seat 1, cleat stanchion 2 and connector 3 are combined into single-column tandem, and the carrier of the weight that carrying cleat stanchion 2 and connector 3 and cleat stanchion 2 and connector 3 bear is holder 16; When installing cleat stanchion 2, holder 16 and the cradle head of the setting angle of load bearing seat 1 can be regulated to be the Connection Block 17 that is connected of connecting axle 15 and load bearing seat 1.
Described holder 16 is fixed with Connection Block 17, Connection Block 17 there are pin-and-hole 14 and locking screw, connecting axle 15 links together Connection Block 17 and load bearing seat 1 through the pin-and-hole 14 of the pin-and-hole 14 on Connection Block 17 and load bearing seat 1 bottom, and lock bolt 18 exceedes the lock bolt 18 of locking screw screw end after screwing in the locking screw on Connection Block 17 is pressed in the lower part locking load bearing seat 1 of load bearing seat 1 and the fit angle of holder 16.Inner taper hole 12 is had above described load bearing seat 1, load bearing seat 1 is coordinated with the male cone (strobilus masculinus) 10 of cleat stanchion 2 lower end by Inner taper hole 12 and fixes, and coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post with the brake head be arranged in cleat stanchion 2 by the breaker slot on the locking bar 4 bottom the mesopore 8 that is fixed on load bearing seat 1, being provided with in the outside of Inner taper hole 12 part of load bearing seat 1 lives turns hole, and the taper shank of the upper end of gravity cone 19 inserts to live and to turn in hole fixing and turns in hole and can freely rotate living.Inner taper hole 12 is had at the two ends of connector 3, the male cone (strobilus masculinus) 10 of two cleat stanchions 2 inserts in the Inner taper hole 12 at connector 3 two ends respectively, coordinated with the male cone (strobilus masculinus) 10 of cleat stanchion 2 by Inner taper hole 12 and fix, and being coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post with the brake head be arranged in cleat stanchion 2 by the breaker slot on the locking bar 4 bottom the mesopore 8 that is fixed on connector 3.Cleat stanchion 2 is fixed with riding boogie board 13.
In the Inner taper hole 12 that the male cone (strobilus masculinus) 10 of described cleat stanchion 2 lower end inserts load bearing seat 1 or insert in the Inner taper hole 12 of connector 3 of connector 3 upper end, the male cone (strobilus masculinus) 10 of cleat stanchion 2 upper end inserts in the Inner taper hole 12 of the connector 3 of connector 3 lower end, the sliding eye 9 of male cone (strobilus masculinus) 10 end is enclosed within locking bar 4, breaker slot on locking bar 4 coordinates with the brake head of banking pin 6 and locks locking bar 4 and do not slide, and then locks coordinating of inner conical surface 11 and male cone (strobilus masculinus) 10.
Described Inner taper hole 12 is the holes having tapering, comprises in the Inner taper hole 12 of load bearing seat 1 and Inner taper hole 12, the Inner taper hole 12 of connector 3 and has inner conical surface 11.Described Inner taper hole 12 is coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post with banking pin 6 by the breaker slot on locking bar 4 after coordinating with the male cone (strobilus masculinus) 10 of cleat stanchion 2 and fixing.In order to make Inner taper hole 12 and male cone (strobilus masculinus) 10 can close fit, the tapering of described Inner taper hole 12 be consistent with the tapering of male cone (strobilus masculinus) 10.
Described self-locking device comprises brake hole 5, banking pin 6, thrust spring 7, locking bar 4, sliding eye 9, breaker slot, thrust spring 7 and banking pin 6 are installed in described brake hole 5, banking pin 6 stretches out the surface of cleat stanchion 2 from the central part of thrust spring 7 through one end of back handle, one end of brake head is stretched in sliding eye 9 and coordinated with the breaker slot locking bar 4, and one end of thrust spring 7 is pressed on the brake head of banking pin 6, the other end withstands on brake hole 5 or withstand on the jump ring that is fixed in brake hole 5; Described locking bar 4 has breaker slot, and breaker slot coordinates the inner conical surface 11 and male cone (strobilus masculinus) 10 that are automatically locked and post with the brake head of banking pin 6.
Described holder 16 is disking bodies or is in strip interconnection shape, the middle part of disking body or bar shaped interconnection shape be fixed with Connection Block 17 above; Described holder 16 fixed connecting base 17, stable and support cleat stanchion 2 and bear all wt that Connection Block 17 bears; Skid-proof rubber is had at holder 16 and the partial fixing of earth surface.
Described Connection Block 17 supports and installs the pedestal of connecting axle 15, Connection Block 17 has pin-and-hole 14 and locking screw, and pin-and-hole 14 is for installing with fixed connection shaft 15 and bearing all wt that connecting axle 15 bears.
Near the pin-and-hole 14 of described locking screw on Connection Block 17, for assembling lock bolt 18 and purl screw can be rotated in locking screw, the screw end of lock bolt 18 is made to be pressed in the lower part locking load bearing seat 1 of load bearing seat 1 and the fit angle of holder 16.
Described lock bolt 18 is screws, can rotate in locking screw, produces and rub and play locking effect when screw end contacts with the lower part of load bearing seat 1.
Described connecting axle 15 is pivot pin or bolt, for connecting Connection Block 17 and load bearing seat 1 and bearing all wt that load bearing seat 1 bears.
Described load bearing seat 1 is Connection Block 17, lower part has horizontal pin-and-hole 14, the upper end of upper part has below Inner taper hole 12, Inner taper hole 12 or there is mesopore 8 the inside, Inner taper hole 12 is directly through with mesopore 8, is fixed with locking bar 4 at the middle part of the bottom of mesopore 8; The center line of described pin-and-hole 14 and the central axis of Inner taper hole 12; Being provided with work in the outside of Inner taper hole 12 part of load bearing seat 1 and turning hole, it is circular hole that work turns hole, lives in turning in hole in being provided with gravity cone 19; Being connected with Connection Block 17 below by connecting axle 15 of load bearing seat 1, be connected with cleat stanchion 2 by Inner taper hole 12 above; Described load bearing seat 1 for support and stable cleat stanchion 2 and connector 3 connection and bear the weight that cleat stanchion 2 bears.
Described gravity cone 19 is the vertical bars with taper shank, and taper shank is vertical with vertical bar, and taper shank inserts to live and turns fixing in hole and turn in hole can freely rotate alive; Described gravity cone 19 is arranged on cleat stanchion 2 on load bearing seat 1 with the angle on ground with as adjusting cleat stanchion 2 perpendicular to reference object during horizontal plane for directly observing.
Described gravity cone 19 can fit together forming unit entirety with load bearing seat 1, is convenient to the combination assembling of maintenance circuit ladder.
Described cleat stanchion 2 is cylinders that there is male cone (strobilus masculinus) 10 at two ends, the end face at cleat stanchion 2 two ends has sliding eye 9, sliding eye 9 stretches in the cylinder of the end of cleat stanchion 2 toward cleat stanchion 2, in the cylinder of the cleat stanchion 2 near male cone (strobilus masculinus) 10, have brake hole 5 wear out the surface of cylinder and communicate with sliding eye 9.
The end face at the two ends of described connector 3 has the inside of Inner taper hole 12, Inner taper hole 12 to have mesopore 8, is fixed with locking bar 4 in the bottom of mesopore 8.
Described banking pin 6 comprises brake head, middle part and handle three part, and three parts are connected, and banking pin 6 is through after thrust spring 7 in brake hole 5, and brake head enters in sliding eye 9 and coordinates with the breaker slot on locking bar 4, and handle portion stretches out the damaged surface of cleat stanchion 2; Described brake head towards the one side on locking bar 4 top be face directly, towards the one side of locking bar 4 fixed end be arcwall face or acute angle bevel, arcwall face or acute angle bevel retreat for allowing the oblique promotion brake head in the leading section of locking bar 4, and the one side faced directly for the right-angle side with breaker slot coordinates locked locking bar 4.
Described locking bar 4 is cylinders, and be fixed on the bottom of the mesopore 8 inside Inner taper hole 12, locking bar 4 can slide at sliding eye 9, and locking bar 4 has breaker slot.Described breaker slot is the groove of right triangular shape or the inclined-plane of right-angled triangle is changed into the groove of arc-shaped side, corresponding with the position of brake head on locking bar 4; The groove top of described right-angled triangle groove is acute angle, one side before breaker slot be right-angle side face, be locking face, locking face coordinates can stand fast by locking locking bar 4 with facing directly of brake head, and the one side of hypotenuse coordinates with the inclined-plane of brake head end and limits the degree of depth that brake head inserts breaker slot; Described breaker slot is used for coordinating with brake head and producing locking effect, then the locked inner conical surface 11 that posts and male cone (strobilus masculinus) 10, and then makes connector 3 and cleat stanchion 2 and load bearing seat 1 and cleat stanchion 2 fixation.
Described sliding eye 9 is bearing bore in the end of cleat stanchion 2 or through hole, communicates, for holding locking bar 4 and allowing locking bar 4 slide in sliding eye 9 with brake hole 5.
Described brake hole 5 is worn out the surface of cylinder and is communicated with sliding eye 9 in the cleat stanchion 2 near male cone (strobilus masculinus) 10, corresponding with the position of the breaker slot on locking bar 4.Thrust spring 7 and banking pin 6 are installed in brake hole 5, the handle portion of banking pin 6 from stretching out the surface of cleat stanchion 2 after the central part of thrust spring 7 passes, the brake head of banking pin 6 inserts in sliding eye 9 after stretching out brake hole 5 or inserts in the breaker slot locking bar 4, thrust spring 7 is arranged on the middle part of banking pin 6, and one end of thrust spring 7 is pressed on the brake head of banking pin 6, the other end withstands on brake hole 5.
Described brake hole 5 can also be separately cavity, the housing with the mating shapes of brake hole 5 is inlaid with in brake hole 5, when housing exposes the damaged surface of cleat stanchion 2 in brake hole 5, the one end of exposing the damaged surface of cleat stanchion 2 connects with screw or rivets or be welded on the damaged surface of cleat stanchion 2; When housing does not expose the damaged surface of cleat stanchion 2 in brake hole 5, connect with screw or rivet or weld or be fixed in brake hole 5 with jump ring; The inside and outside two ends of described housing manufacture porose, banking pin 6 and thrust spring 7 are installed in housing, thrust spring 7 is arranged between brake head and housing, stretches out, brake head stretches out from the hole of the inner face of housing after the handle of banking pin 6 passes from the centre of thrust spring 7 from the hole of housing outer face.Described housing for installing banking pin 6 and thrust spring 7, and banking pin 6 can be moved in housing.
Described thrust spring 7 is helical springs, and the brake head for promoting banking pin 6 coordinates with the breaker slot of locking bar 4 and completes automatic locking.
Described mesopore 8 is in the inside of Inner taper hole 12, not inconsistent with the bottom of Inner taper hole 12 when Inner taper hole 12 is inserted in male cone (strobilus masculinus) 10 end for cleat stanchion 2, is convenient to the close fit of inner conical surface 11 and male cone (strobilus masculinus) 10.
Described riding boogie board 13 comprises ear seat and foot hold, and ear seat is fixed on cleat stanchion 2, and foot hold is fixed on the top-direction be merely able to ladder on ear seat by pivot pin and draws in; On foot hold, cover has antiskid glue sleeve or be fixed with skid-proof rubber above foot hold, landing when antiskid glue sleeve and skid-proof rubber can prevent pin from stepping down on foot hold.
The inner conical surface 11 of described Inner taper hole 12 installs cleat stanchion 2 and connector 3 for coordinating with male cone (strobilus masculinus) 10, realize the fixing fast of load bearing seat 1 and cleat stanchion 2 fixing and cleat stanchion 2 and connector 3 fast, be beneficial to the quick assembling of cleat stanchion 2 and connector 3 and load bearing seat 1 and quick demolition, play Fast Installation and effect fixing fast; And then make load bearing seat 1 and cleat stanchion 2 and cleat stanchion 2 and connector 3 fixation respectively.
In order to increase connectivity robustness and the stability of maintenance circuit ladder, improving the speed of installation and demolition, described cleat stanchion 2 and load bearing seat 1 and the connection between cleat stanchion 2 and connector 3 and fixingly all adopt cone match, being beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) 10 of cleat stanchion 2, in the Inner taper hole 12 of load bearing seat 1, is coordinated with banking pin 6 by the breaker slot on locking bar 4 and pins and lock the male cone (strobilus masculinus) 10 of cleat stanchion 2 with coordinating of the inner conical surface 11 of load bearing seat 1 and do not loosen; The male cone (strobilus masculinus) 10 of cleat stanchion 2, in the Inner taper hole 12 of connector 3, is coordinated with banking pin 6 by the breaker slot on locking bar 4 and pins and not the loosening coordinating of inner conical surface 11 of the male cone (strobilus masculinus) 10 and connector 3 of locking cleat stanchion 2.During assembling, inner conical surface 11 and male cone (strobilus masculinus) 10 are at the gravity born and press tighter and tighter under the effect of cleat stanchion 2 with the self gravitation of connector 3 and realize automatic fastening; During demolition, pull the handle of banking pin 6, after the brake head of banking pin 6 front end exits the breaker slot on locking bar 4, cleat stanchion 2 upwards one is lifted cleat stanchion 2 and automatically will be separated with Inner taper hole 12 or connector 3 upwards one is lifted cleat stanchion 2 and automatically will be separated with Inner taper hole 12.
The conical surface comprises inner conical surface 11 and male cone (strobilus masculinus) 10, and the cross section of the conical surface is the circular conical surface, or the polygonal conical surface, or the conical surface of circular arc, or the special-shaped conical surface that circular arc and line segment form.
In order to support cleat stanchion 2 on the ground having angle of inclination, when holder 16 is laid on a horizontal ground, the central axis of load bearing seat 1, in holder 16, ensure that the verticality being arranged on cleat stanchion on load bearing seat 12 and horizontal plane; When holder 16 is placed on the ground of inclination, load bearing seat 1 can rotate certain angle around connecting axle 15 on holder 16, ensure that the verticality being arranged on cleat stanchion on load bearing seat 12 and horizontal plane.
Connecting axle 15 is adopted to be fastened on Connection Block 17 on holder 16 and load bearing seat 1, make load bearing seat 1 can rotate certain angle around connecting axle 15 on holder 16, reach when holder 16 is placed on the ground of inclination and ensure that the cleat stanchion 2 be arranged on load bearing seat 1 keeps the object perpendicular to horizontal plane.
In order to enable maintenance circuit ladder assemble fast, holder 16, Connection Block 17, connecting axle 15 and load bearing seat 1 can also be the entirety fitted together.
In order to can the locking inner conical surface 11 of working good and male cone (strobilus masculinus) 10 not loosen, described brake hole 5, banking pin 6, thrust spring 7, locking bar 4 and sliding eye 9 form the locked inner conical surface 11 of working good of locking system and male cone (strobilus masculinus) 10.
In order to reduce costs and alleviate the weight of maintenance circuit ladder, described holder 16 and cleat stanchion 2 are hollow body or solid; Described cleat stanchion 2 and connector 3 are individual layer or multilayer in the combination of maintenance circuit ladder, and holder 16 is individual layer in the combination of maintenance circuit ladder.
In order to ensure that cleat stanchion 2 is all the time perpendicular to horizontal plane, adopt lock bolt 18 to produce frictional force by rotation forces load bearing seat 1 and Connection Block 17 and fix load bearing seat 1 and the angle angle of holder 16, when holder 16 is placed on the ground of inclination, ensure that the cleat stanchion 2 be arranged on load bearing seat 1 remains perpendicular to horizontal plane.
Bore 19 to make gravity can remain perpendicular to horizontal plane, the taper shank of described gravity cone 19, in the upper end of vertical bar, makes the position of center of gravity lower than taper shank of gravity cone 19.
For the ease of using and depositing, described maintenance circuit ladder is when needs use, and its all composition accessory can be combined into ladder; The not used time, its all composition accessory can both be dismantled, and is convenient to packaging and storing.
In order to reduce the consumption of maintenance circuit ladder and be convenient to store and keeping, all building blocks of described maintenance circuit ladder can be reused.
Conveniently transport, described cleat stanchion 2, connector 3, holder 16 and load bearing seat 1 can be dismantled completely becomes independent parts, is beneficial to packaging and transport.
Maintenance circuit ladder, when assembling, A, to be fixed on Connection Block 17 above holder 16, then load bearing seat 1 is connected to above Connection Block 17 by connecting axle 15 and Connection Block 17.B, again one end of cleat stanchion 2 insert load bearing seat 1 Inner taper hole 12 in, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of cleat stanchion 2 is naturally fitted with the inner conical surface 11 of load bearing seat 1 and fixes, and larger from the gravity of cleat stanchion 2 pressure, and it is closely and more more firm that inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted; When the male cone (strobilus masculinus) 10 of cleat stanchion 2 inserts Inner taper hole 12, locking bar 4 is inserted in sliding eye 9, when locking bar 4 enters into the position of brake head, the leading section of locking bar 4 pushes the arcwall face of locking head or acute angle bevel oblique promotion brake head compression thrust spring 7 and outwards makes a concession, and the front end of locking bar 4 passes through the position of brake head; When locking bar 4 is through after brake head, when the male cone (strobilus masculinus) 10 of cleat stanchion 2 contacts firm with the inner conical surface 11 of the Inner taper hole 12 of load bearing seat 1, brake head enters in the breaker slot on locking bar 4 under the powered of thrust spring 7, facing directly of brake head coordinates locked locking bar 4 to stand fast with the one side of lock groove right-angle side, the inner conical surface 11 of laminating and male cone (strobilus masculinus) 10 locked, complete cleat stanchion 2 and the fixing of load bearing seat 1 and locking.Point-blank whether the parallel lines of C, the center line of vertical bar observing gravity cone 19 and the center line of cleat stanchion 2, time not point-blank, the upper end of moving the cleat stanchion 2 inserted on load bearing seat 1 makes the parallel lines of the center line of cleat stanchion 2 and gravity bore the center line of the vertical bar of 19 point-blank, the lock bolt 18 be rotationally connected again on seat 17 compresses the lower part of load bearing seat 1, load bearing seat 1 can not be rotated around connecting axle 15, allow holder 16 remain unchanged with the angle of load bearing seat 1, ensure that the cleat stanchion 2 be arranged on above load bearing seat 1 is perpendicular to horizontal plane; Time point-blank, just directly the lock bolt 18 be rotationally connected on seat 17 compresses the lower part of load bearing seat 1, load bearing seat 1 can not be rotated around connecting axle 15, allow holder 16 remain unchanged with the angle of load bearing seat 1, ensure that the cleat stanchion 2 be arranged on above load bearing seat 1 is perpendicular to horizontal plane.D, the Inner taper hole 12 below connector 3 is enclosed within cleat stanchion 2 upper end, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of cleat stanchion 2 is naturally fitted with the inner conical surface 11 of connector 3 and fixes, and larger from the gravity of connector 3 pressure, and it is closely and more more firm that inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted; Time on the male cone (strobilus masculinus) 10 that the internal taper hole of connector 3 lower end is enclosed within cleat stanchion 2, locking bar 4 is inserted in sliding eye 9, when locking bar 4 enters into the position of brake head, the leading section of locking bar 4 pushes the arcwall face of brake head or acute angle bevel oblique promotion brake head compression thrust spring 7 and outwards makes a concession, and the front end of locking bar 4 passes through the position of brake head; When locking bar 4 is through after brake head, when the male cone (strobilus masculinus) 10 of cleat stanchion 2 contacts firm with the inner conical surface 11 of the Inner taper hole 12 of connector 3, brake head enters in the breaker slot on locking bar 4 under the powered of thrust spring 7, facing directly of brake head coordinates locked locking bar 4 to stand fast with the one side of lock groove right-angle side, laminating Inner taper hole 12 and male cone (strobilus masculinus) 10 locked.E, again in the Inner taper hole 12 of connector 3 upper end again by the lower end of cleat stanchion 2 insert connector 3 Inner taper hole 12 in, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of cleat stanchion 2 is naturally fitted with the inner conical surface 11 of connector 3 and fixes, and the gravity depressed from cleat stanchion 2 is larger, it is closely and more more firm that inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted; When the male cone (strobilus masculinus) 10 of cleat stanchion 2 inserts Inner taper hole 12, locking bar 4 is inserted in sliding eye 9, when locking bar 4 enters into the position of brake head, the leading section of locking bar 4 pushes the arcwall face of brake head or acute angle bevel oblique promotion brake head compression thrust spring 7 and outwards makes a concession, and the front end of locking bar 4 passes through the position of brake head; When locking bar 4 is through after brake head, when the male cone (strobilus masculinus) 10 of cleat stanchion 2 contacts firm with the inner conical surface 11 of the Inner taper hole 12 of connector 3, brake head enters in the breaker slot on locking bar 4 under the powered of thrust spring 7, facing directly of brake head coordinates locked locking bar 4 to stand fast with the one side of lock groove right-angle side, laminating Inner taper hole 12 and male cone (strobilus masculinus) 10 locked.F, according to D and E method with step can again insert in the Inner taper hole 12 of connector 3 by the male cone (strobilus masculinus) 10 of cleat stanchion 2 or the internal taper hole of connector 3 is enclosed within the male cone (strobilus masculinus) 10 of cleat stanchion 2 again, complete being connected and fixed and locking between cleat stanchion 2 and connector 3.Cleat stanchion 2 is very convenient with the assembling of load bearing seat 1 and cleat stanchion 2 and connector 3, just can complete without any need for instrument.
When the cleat stanchion 2 of dismountable and connector 3, pull the handle of banking pin 6, after the brake head of banking pin 6 front end exits the breaker slot on locking bar 4, as long as cleat stanchion 2 or connector 3 upwards one are lifted, cleat stanchion 2 will separate automatically with connector 3, and locking bar 4 skids off from sliding eye 9.During fixing on dismounting load bearing seat 1 cleat stanchion 2, pull the handle of banking pin 6, after the brake head of banking pin 6 front end exits the breaker slot on locking bar 4, as long as cleat stanchion 2 upwards one is lifted, cleat stanchion 2 will separate automatically with load bearing seat 1, and locking bar 4 skids off from sliding eye 9.Cleat stanchion 2 is very convenient with the dismounting of load bearing seat 1 and cleat stanchion 2 and connector 3, just can complete without any need for instrument.
High-tension line maintenance personal is when examination and repair for high-pressure circuit, run into when having branch Distance High Voltage Electricity Transfer very near or line joint need maintenance time, first holder 16 is placed steadily on the ground, combining holder 16 again, Connection Block 17, the load bearing seat 1 of connecting axle 15 and load bearing seat 1 plug first cleat stanchion 2 above after, needing the cleat stanchion 2 of height and needing the connector 3 of quantity to take with oneself, pin steps down on the foot hold on cleat stanchion 2 and climbs up, one section of assembling one section can be climbed, when climbing to the top of ladder in the process of cat ladder, climb up again after inserting a cleat stanchion 2 in superincumbent Inner taper hole 12 again.During descending stair, step down on foot hold and down climb, next section tears a cleat stanchion 2 open, very convenient.

Claims (6)

1. a maintenance circuit ladder, is characterized in that: described maintenance circuit ladder mainly comprises holder (16), Connection Block (17), lock bolt (18), connecting axle (15), load bearing seat (1), gravity cone (19), cleat stanchion (2), connector (3), self-locking device, male cone (strobilus masculinus) (10), Inner taper hole (12), inner conical surface (11);
Described maintenance circuit ladder adopts single column support type, holder (16) and Connection Block (17), load bearing seat (1), cleat stanchion (2) and connector (3) are combined into single-column tandem, and the carrier carrying the weight that cleat stanchion (2) and connector (3) and cleat stanchion (2) and connector (3) bear is holder (16); When installing cleat stanchion (2), holder (16) and the cradle head of the setting angle of load bearing seat (1) can be regulated to be the Connection Block (17) that is connected of connecting axle (15) and load bearing seat (1);
Described holder (16) is fixed with Connection Block (17), Connection Block (17) there are pin-and-hole (14) and locking screw, connecting axle (15) links together Connection Block (17) and load bearing seat (1) through the pin-and-hole (14) of the pin-and-hole (14) on Connection Block (17) and load bearing seat (1) bottom, lock bolt (18) exceedes the lock bolt (18) of locking screw screw end after screwing in the locking screw on Connection Block (17) is pressed in lower part locking load bearing seat (1) of load bearing seat (1) and the fit angle of holder (16), Inner taper hole (12) is had above described load bearing seat (1), load bearing seat (1) is coordinated by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of cleat stanchion (2) lower end and fixes, and coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the brake head be arranged in cleat stanchion (2) by the breaker slot on the locking bar (4) of the mesopore (8) that is fixed on load bearing seat (1) bottom, be provided with to live in the outside of Inner taper hole (12) part of load bearing seat (1) and turn hole, the taper shank of the upper end of gravity cone (19) inserts to live and turns fixing in hole and turn in hole can freely rotate alive, Inner taper hole (12) is had at the two ends of connector (3), the male cone (strobilus masculinus) (10) of two cleat stanchions (2) inserts in the Inner taper hole (12) at connector (3) two ends respectively, coordinate by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of cleat stanchion (2) and fix, and being coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the brake head be arranged in cleat stanchion (2) by the breaker slot on the locking bar (4) of the mesopore (8) that is fixed on connector (3) bottom, cleat stanchion (2) is fixed with riding boogie board (13),
In the Inner taper hole (12) of the male cone (strobilus masculinus) (10) insertion load bearing seat (1) of described cleat stanchion (2) lower end or in the Inner taper hole (12) of the connector (3) of insertion connector (3) upper end, the male cone (strobilus masculinus) (10) of cleat stanchion (2) upper end inserts in the Inner taper hole (12) of the connector (3) of connector (3) lower end, the sliding eye (9) of male cone (strobilus masculinus) (10) end is enclosed within locking bar (4), breaker slot on locking bar (4) coordinates with the brake head of banking pin (6) and locks locking bar (4) and do not slide, then coordinating of inner conical surface (11) and male cone (strobilus masculinus) (10) is locked,
Described Inner taper hole (12) is the hole having tapering, comprise the Inner taper hole (12) of load bearing seat (1) and the Inner taper hole (12) of connector (3), in Inner taper hole (12), have inner conical surface (11); Described Inner taper hole (12) is coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with banking pin (6) by the breaker slot on locking bar (4) after coordinating with the male cone (strobilus masculinus) (10) of cleat stanchion (2) and fixing; In order to make Inner taper hole (12) and male cone (strobilus masculinus) (10) can close fit, the tapering of described Inner taper hole (12) be consistent with the tapering of male cone (strobilus masculinus) (10);
Described self-locking device comprises brake hole (5), banking pin (6), thrust spring (7), locking bar (4), sliding eye (9), breaker slot, thrust spring (7) and banking pin (6) are installed in described brake hole (5), banking pin (6) stretches out the surface of cleat stanchion (2) through one end of back handle from the central part of thrust spring (7), one end of brake head is stretched in sliding eye (9) and is coordinated with the breaker slot on locking bar (4), one end of thrust spring (7) is pressed on the brake head of banking pin (6), it is upper or withstand on the jump ring that is fixed in brake hole (5) that the other end withstands on brake hole (5), described locking bar (4) has breaker slot, and breaker slot coordinates the inner conical surface (11) and male cone (strobilus masculinus) (10) that are automatically locked and post with the brake head of banking pin (6),
Described holder (16) is disking body or is in strip interconnection shape, the middle part of disking body or bar shaped interconnection shape be fixed with Connection Block (17) above; Described holder (16) fixed connecting base (17), stable and support cleat stanchion (2) and bear all wt that Connection Block (17) bears; Skid-proof rubber is had at holder (16) and the partial fixing of earth surface;
Described Connection Block (17) is the pedestal supporting and install connecting axle (15), Connection Block (17) has pin-and-hole (14) and locking screw, pin-and-hole (14) is for installing and fixed connection shaft (15) bear all wt that connecting axle (15) bears;
Near the pin-and-hole (14) of described locking screw on Connection Block (17), for assembling lock bolt (18) and purl screw can be rotated in locking screw, the screw end of lock bolt (18) is made to be pressed in lower part locking load bearing seat (1) of load bearing seat (1) and the fit angle of holder (16);
Described lock bolt (18) is screw, can rotate in locking screw, produces and rub and play locking effect when screw end contacts with the lower part of load bearing seat (1);
Described connecting axle (15) is pivot pin or bolt, for connecting Connection Block (17) and load bearing seat (1) and bearing all wt that load bearing seat (1) bears;
Described load bearing seat (1) is Connection Block (17), lower part there is horizontal pin-and-hole (14), there is Inner taper hole (12) upper end of upper part, there is mesopore (8) below Inner taper hole (12) or the inside, Inner taper hole (12) is directly through with mesopore (8), is fixed with locking bar (4) at the middle part of the bottom of mesopore (8); The center line of described pin-and-hole (14) and the central axis of Inner taper hole (12); Be provided with to live in the outside of Inner taper hole (12) part of load bearing seat (1) and turn hole, living, to turn hole be circular hole, lives in turning in hole in being provided with gravity cone (19); Being connected with Connection Block (17) below by connecting axle (15) of load bearing seat (1), be connected with cleat stanchion (2) by Inner taper hole (12) above; Described load bearing seat (1) for support and stable cleat stanchion (2) and connector (3) connection and bear the weight that cleat stanchion (2) bears;
Described gravity cone (19) is the vertical bar with taper shank, and taper shank is vertical with vertical bar, and taper shank inserts to live and turns fixing in hole and turn in hole can freely rotate alive; Described gravity cone (19) is arranged on the cleat stanchion (2) on load bearing seat (1) with the angle on ground with as adjusting cleat stanchion (2) perpendicular to reference object during horizontal plane for directly observing;
Described gravity cone (19) can fit together forming unit entirety with load bearing seat (1), is convenient to the combination assembling of maintenance circuit ladder;
Described cleat stanchion (2) is the cylinder that there are male cone (strobilus masculinus) (10) at two ends, the end face at cleat stanchion (2) two ends has sliding eye (9), sliding eye (9) stretches in the cylinder of cleat stanchion (2) in the end of cleat stanchion (2), in the cylinder of the cleat stanchion (2) near male cone (strobilus masculinus) (10), have brake hole (5) wear out the surface of cylinder and communicate with sliding eye (9);
The end face at the two ends of described connector (3) has Inner taper hole (12), and there is mesopore (8) the inside of Inner taper hole (12), is fixed with locking bar (4) in the bottom of mesopore (8);
Described banking pin (6) comprises brake head, middle part and handle three part, three parts are connected, after banking pin (6) passes thrust spring (7) in brake hole (5), brake head enters in sliding eye (9) and coordinates with the breaker slot on locking bar (4), and handle portion stretches out the damaged surface of cleat stanchion (2); Described brake head towards the one side on locking bar (4) top be face directly, towards the one side of locking bar (4) fixed end be arcwall face or acute angle bevel, arcwall face or acute angle bevel are used for allowing the oblique promotion brake head in the leading section of locking bar (4) retreat, and the one side faced directly for the right-angle side with breaker slot coordinates locked locking bar (4);
Described locking bar (4) is cylinder, be fixed on the bottom of the mesopore (8) of Inner taper hole (12) the inside, locking bar (4) can slide at sliding eye (9), and locking bar (4) has breaker slot; Described breaker slot is the groove of right triangular shape or the inclined-plane of right-angled triangle is changed into the groove of arc-shaped side, upper corresponding with the position of brake head at locking bar (4); The groove top of described right-angled triangle groove is acute angle, one side before breaker slot be right-angle side face, be locking face, locking face coordinates can stand fast by locking locking bar (4) with facing directly of brake head, and the one side of hypotenuse coordinates with the inclined-plane of brake head end and limits the degree of depth that brake head inserts breaker slot; Described breaker slot is used for coordinating with brake head and producing locking effect, then the locked inner conical surface (11) that posts and male cone (strobilus masculinus) (10), and then make connector (3) and cleat stanchion (2) and load bearing seat (1) and cleat stanchion (2) fixation;
Described sliding eye (9) is bearing bore in the end of cleat stanchion (2) or through hole, communicate with brake hole (5), for holding locking bar (4) and allowing locking bar (4) slide in sliding eye (9);
Described brake hole (5) is worn out the surface of cylinder and is communicated with sliding eye (9) in the cleat stanchion (2) near male cone (strobilus masculinus) (10), corresponding with the position of the breaker slot on locking bar (4); Thrust spring (7) and banking pin (6) are installed in brake hole (5), the handle portion of banking pin (6) from stretching out the surface of cleat stanchion (2) after the central part of thrust spring (7) passes, the brake head of banking pin (6) stretches out brake hole (5) and inserts in sliding eye (9) afterwards or insert in the breaker slot locking bar (4), thrust spring (7) is arranged on the middle part of banking pin (6), and one end of thrust spring (7) is pressed on the brake head of banking pin (6), the other end withstands on brake hole (5);
Described brake hole (5) can also be separately cavity, the housing with the mating shapes of brake hole (5) is inlaid with in brake hole (5), when housing exposes the damaged surface of cleat stanchion (2) in brake hole (5), the one end of exposing the damaged surface of cleat stanchion (2) connects with screw or rivets or be welded on the damaged surface of cleat stanchion (2); When housing does not expose the damaged surface of cleat stanchion (2) in brake hole (5), connect with screw or rivet or weld or be fixed in brake hole (5) with jump ring; The inside and outside two ends of described housing manufacture porose, banking pin (6) and thrust spring (7) are installed in housing, thrust spring (7) is arranged between brake head and housing, stretches out, brake head stretches out from the hole of the inner face of housing after the handle of banking pin (6) passes from the centre of thrust spring (7) from the hole of housing outer face; Described housing for installing banking pin (6) and thrust spring (7), and banking pin (6) can be moved in housing;
Described thrust spring (7) is helical spring, and the brake head for promoting banking pin (6) coordinates with the breaker slot of locking bar (4) and completes automatic locking;
Described mesopore (8) is in the inside of Inner taper hole (12), not inconsistent with the bottom of Inner taper hole (12) when Inner taper hole (12) are inserted in male cone (strobilus masculinus) (10) end for cleat stanchion (2), be convenient to the close fit of inner conical surface (11) and male cone (strobilus masculinus) (10);
Described riding boogie board (13) comprises ear seat and foot hold, and ear seat is fixed on cleat stanchion (2), and foot hold is fixed on the top-direction be merely able to ladder on ear seat by pivot pin and draws in; On foot hold, cover has antiskid glue sleeve or be fixed with skid-proof rubber above foot hold, landing when antiskid glue sleeve and skid-proof rubber can prevent pin from stepping down on foot hold;
The inner conical surface (11) of described Inner taper hole (12) installs cleat stanchion (2) and connector (3) for coordinating with male cone (strobilus masculinus) (10), realize the fixing fast of load bearing seat (1) and cleat stanchion (2) fixing and cleat stanchion (2) and connector (3) fast, be beneficial to the quick assembling of cleat stanchion (2) and connector (3) and load bearing seat (1) and quick demolition, play Fast Installation and effect fixing fast; And then make load bearing seat (1) and cleat stanchion (2) and cleat stanchion (2) and connector (3) fixation respectively;
In order to increase connectivity robustness and the stability of maintenance circuit ladder, improve the speed of installation and demolition, described cleat stanchion (2) and load bearing seat (1) and the connection between cleat stanchion (2) and connector (3) and fixingly all adopt cone match, be beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) (10) of cleat stanchion (2), in the Inner taper hole (12) of load bearing seat (1), is coordinated with banking pin (6) by the breaker slot on locking bar (4) and pins and not the loosening coordinating of inner conical surface (11) of the male cone (strobilus masculinus) (10) and load bearing seat (1) of locking cleat stanchion (2); The male cone (strobilus masculinus) (10) of cleat stanchion (2), in the Inner taper hole (12) of connector (3), is coordinated with banking pin (6) by the breaker slot on locking bar (4) and pins and not the loosening coordinating of inner conical surface (11) of the male cone (strobilus masculinus) (10) and connector (3) of locking cleat stanchion (2); During assembling, inner conical surface (11) and male cone (strobilus masculinus) (10) are at the gravity born and press tighter and tighter under the effect of cleat stanchion (2) with the self gravitation of connector (3) and realize automatic fastening; During demolition, pull the handle of banking pin (6), after the brake head of banking pin (6) front end exits the breaker slot on locking bar (4), cleat stanchion (2) upwards one is lifted cleat stanchion (2) and automatically will be separated with Inner taper hole (12) or connector (3) upwards one is lifted cleat stanchion (2) and automatically will be separated with Inner taper hole (12);
The conical surface comprises inner conical surface (11) and male cone (strobilus masculinus) (10), and the cross section of the conical surface is the circular conical surface, or the polygonal conical surface, or the conical surface of circular arc, or the special-shaped conical surface that circular arc and line segment form;
In order to cleat stanchion (2) can be supported on the ground having angle of inclination, when holder (16) is laid on a horizontal ground, the central axis of load bearing seat (1), in holder (16), ensure that the verticality being arranged on cleat stanchion (2) on load bearing seat (1) and horizontal plane; When holder (16) is placed on the ground of inclination, load bearing seat (1) can rotate certain angle around connecting axle (15) on holder (16), ensure that the verticality being arranged on cleat stanchion (2) on load bearing seat (1) and horizontal plane;
Connecting axle (15) is adopted to be fastened on Connection Block (17) on holder (16) and load bearing seat (1), make load bearing seat (1) certain angle can be rotated around connecting axle (15) on holder (16), reach when holder (16) is placed on the ground of inclination and ensure that the cleat stanchion (2) be arranged on load bearing seat (1) keeps the object perpendicular to horizontal plane;
In order to enable maintenance circuit ladder assemble fast, holder (16), Connection Block (17), connecting axle (15) and load bearing seat (1) can also be the entirety fitted together;
Maintenance circuit ladder is when assembling, A, Connection Block (17) to be fixed on above holder (16), then load bearing seat (1) is connected to above Connection Block (17) by connecting axle (15) and Connection Block (17), B, again one end of cleat stanchion (2) insert load bearing seat (1) Inner taper hole (12) in, under the effect of self gravitation, the male cone (strobilus masculinus) (10) of cleat stanchion (2) and the inner conical surface (11) of load bearing seat (1) are naturally fitted and fix, and larger from the gravity of cleat stanchion (2) pressure, it is closely and more more firm that inner conical surface (11) and male cone (strobilus masculinus) (10) are fitted, when male cone (strobilus masculinus) (10) in cleat stanchion (2) inserts Inner taper hole (12), locking bar (4) is inserted in sliding eye (9), when locking bar (4) enters into the position of brake head, the leading section of locking bar (4) pushes the arcwall face of locking head or oblique promotion brake head compression thrust spring (7) of acute angle bevel and outwards makes a concession, and the front end of locking bar (4) passes through the position of brake head, after locking bar (4) is through brake head, when the male cone (strobilus masculinus) (10) of cleat stanchion (2) contacts firm with the inner conical surface (11) of the Inner taper hole (12) of load bearing seat (1), brake head enters in the breaker slot on locking bar (4) under the powered of thrust spring (7), facing directly of brake head coordinates locked locking bar (4) to stand fast with the one side of lock groove right-angle side, the inner conical surface (11) of laminating and male cone (strobilus masculinus) (10) locked, complete fixing and locking of cleat stanchion (2) and load bearing seat (1), C, point-blank whether the center line of vertical bar of observation gravity cone (19) and the parallel lines of the center line of cleat stanchion (2), time not point-blank, the upper end of moving the cleat stanchion (2) inserted on load bearing seat (1) makes the parallel lines of the center line of cleat stanchion (2) and gravity bore the center line of the vertical bar of (19) point-blank, the lock bolt (18) be rotationally connected again on seat (17) compresses the lower part of load bearing seat (1), load bearing seat (1) can not be rotated around connecting axle (15), holder (16) is allowed to remain unchanged with the angle of load bearing seat (1), guarantee is arranged on cleat stanchion (2) above load bearing seat (1) perpendicular to horizontal plane, time point-blank, the lock bolt (18) be just directly rotationally connected on seat (17) compresses the lower part of load bearing seat (1), load bearing seat (1) can not be rotated around connecting axle (15), allow holder (16) remain unchanged with the angle of load bearing seat (1), ensure that the cleat stanchion (2) be arranged on above load bearing seat (1) is perpendicular to horizontal plane, D, the Inner taper hole (12) below connector (3) is enclosed within cleat stanchion (2) upper end, under the effect of self gravitation, the male cone (strobilus masculinus) (10) of cleat stanchion (2) and the inner conical surface (11) of connector (3) are naturally fitted and fix, and larger from the gravity of connector (3) pressure, it is closely and more more firm that inner conical surface (11) and male cone (strobilus masculinus) (10) are fitted, when the male cone (strobilus masculinus) (10) that the internal taper hole of connector (3) lower end is enclosed within cleat stanchion (2) is upper, locking bar (4) is inserted in sliding eye (9), when locking bar (4) enters into the position of brake head, the leading section of locking bar (4) pushes the arcwall face of brake head or oblique promotion brake head compression thrust spring (7) of acute angle bevel and outwards makes a concession, and the front end of locking bar (4) passes through the position of brake head, after locking bar (4) is through brake head, when the male cone (strobilus masculinus) (10) of cleat stanchion (2) contacts firm with the inner conical surface (11) of the Inner taper hole (12) of connector (3), brake head enters in the breaker slot on locking bar (4) under the powered of thrust spring (7), facing directly of brake head coordinates locked locking bar (4) to stand fast with the one side of lock groove right-angle side, laminating Inner taper hole (12) and male cone (strobilus masculinus) (10) locked, E, again in the Inner taper hole (12) of connector (3) upper end again by the lower end of cleat stanchion (2) insert connector (3) Inner taper hole (12) in, under the effect of self gravitation, the male cone (strobilus masculinus) (10) of cleat stanchion (2) and the inner conical surface (11) of connector (3) are naturally fitted and fix, and larger from the gravity of cleat stanchion (2) pressure, it is closely and more more firm that inner conical surface (11) and male cone (strobilus masculinus) (10) are fitted, when male cone (strobilus masculinus) (10) in cleat stanchion (2) inserts Inner taper hole (12), locking bar (4) is inserted in sliding eye (9), when locking bar (4) enters into the position of brake head, the leading section of locking bar (4) pushes the arcwall face of brake head or oblique promotion brake head compression thrust spring (7) of acute angle bevel and outwards makes a concession, and the front end of locking bar (4) passes through the position of brake head, after locking bar (4) is through brake head, when the male cone (strobilus masculinus) (10) of cleat stanchion (2) contacts firm with the inner conical surface (11) of the Inner taper hole (12) of connector (3), brake head enters in the breaker slot on locking bar (4) under the powered of thrust spring (7), facing directly of brake head coordinates locked locking bar (4) to stand fast with the one side of lock groove right-angle side, laminating Inner taper hole (12) and male cone (strobilus masculinus) (10) locked, F, can again the male cone (strobilus masculinus) (10) of cleat stanchion (2) be inserted in the Inner taper hole (12) of connector (3) according to D and E method and step or the internal taper hole of connector (3) is enclosed within the male cone (strobilus masculinus) (10) of cleat stanchion (2) again, complete being connected and fixed and locking between cleat stanchion (2) and connector (3), cleat stanchion (2) is very convenient with the assembling of load bearing seat (1) and cleat stanchion (2) and connector (3), just can complete without any need for instrument,
When the cleat stanchion (2) of dismountable and connector (3), pull the handle of banking pin (6), after the brake head of banking pin (6) front end exits the breaker slot on locking bar (4), as long as cleat stanchion (2) or connector (3) upwards one are lifted, cleat stanchion (2) will separate automatically with connector (3), and locking bar (4) skids off from sliding eye (9); Time dismounting load bearing seat (1) upper fixing cleat stanchion (2), pull the handle of banking pin (6), after the brake head of banking pin (6) front end exits the breaker slot on locking bar (4), as long as cleat stanchion (2) upwards one is lifted, cleat stanchion (2) will separate automatically with load bearing seat (1), and locking bar (4) skids off from sliding eye (9); Cleat stanchion (2) is very convenient with the dismounting of load bearing seat (1) and cleat stanchion (2) and connector (3), just can complete without any need for instrument;
High-tension line maintenance personal is when examination and repair for high-pressure circuit, run into when having branch Distance High Voltage Electricity Transfer very near or line joint need maintenance time, first holder (16) is placed steadily on the ground, combining holder (16) again, Connection Block (17), the load bearing seat (1) of connecting axle (15) and load bearing seat (1) plug first cleat stanchion (2) above after, needing the cleat stanchion (2) of height and needing the connector of quantity (3) to take with oneself, pin steps down on the foot hold on cleat stanchion (2) and climbs up, one section of assembling one section can be climbed, when climbing to the top of ladder in the process of cat ladder, climb up again after inserting a cleat stanchion (2) in superincumbent Inner taper hole (12) again, during descending stair, step down on foot hold and down climb, next section tears a cleat stanchion (2) open, very convenient.
2. maintenance circuit ladder according to claim 1, it is characterized in that: in order to reduce costs and alleviate the weight of maintenance circuit ladder, holder (16) and cleat stanchion (2) are hollow body or solid, cleat stanchion (2) and connector (3) are individual layer or multilayer in the combination of maintenance circuit ladder, and holder (16) is individual layer in the combination of maintenance circuit ladder;
In order to ensure that cleat stanchion (2) is all the time perpendicular to horizontal plane, adopt lock bolt (18) to produce frictional force by rotation forces load bearing seat (1) and Connection Block (17) and fix load bearing seat (1) and the angle angle of holder (16), when holder (16) is placed on the ground of inclination, ensure that the cleat stanchion (2) be arranged on load bearing seat (1) remains perpendicular to horizontal plane;
Bore (19) to make gravity can remain perpendicular to horizontal plane, the taper shank of described gravity cone (19), in the upper end of vertical bar, makes gravity bore the position of center of gravity lower than taper shank of (19).
3. maintenance circuit ladder according to claim 1, is characterized in that: for the ease of using and depositing, and described maintenance circuit ladder is when needs use, and its all composition accessory can be combined into ladder; The not used time, its all composition accessory can both be dismantled, and is convenient to packaging and storing;
In order to reduce the consumption of maintenance circuit ladder and be convenient to store and keeping, all building blocks of described maintenance circuit ladder can be reused.
4. maintenance circuit ladder according to claim 1, it is characterized in that: conveniently transport, described cleat stanchion (2), connector (3), holder (16) and load bearing seat (1) can be dismantled completely and become independent parts, are beneficial to packaging and transport.
5. maintenance circuit according to claim 1 ladder, is characterized in that: described maintenance circuit ladder simple for structure, manufactures, installs and use very convenient; Solve the difficult problem that high-tension line maintenance personal uprightly climbs and stands, during climbing, the speed of assembling circuit maintenance ladder is fast, convenient, safe and reliable, and climbing is convenient; After using, dismounting, packaging and convenient transportation, reduce cost of production and use cost.
6. a manufacture method for maintenance circuit ladder, is characterized in that:
During fabrication, maintenance circuit ladder is created single column support type, holder (16) and the rotatable locking seat of ball, load bearing seat (1), cleat stanchion (2) and connector (3) are combined into single-column tandem, and holder (16) creates the pedestal carrying the weight that cleat stanchion (2) and connector (3) and cleat stanchion (2) and connector (3) bear; The Connection Block (17) connected by connecting axle (15) and load bearing seat (1) create the cradle head of the setting angle that can regulate holder (16) and load bearing seat (1); Holder (16), Connection Block (17), load bearing seat (1), cleat stanchion (2) and connector (3) adopt the plastics manufacture of metal material or high strength, and holder (16) and cleat stanchion (2) create hollow body or solid; When holder (16), Connection Block (17), load bearing seat (1), cleat stanchion (2) and connector (3) adopt the metal material got rusty easily to manufacture, after manufacture is good, want rust prevention by applying liquid material paint antirust;
Described holder (16) creates dish type or bar shaped cross-like, and the middle part of the middle part of dish type or bar shaped cross-like is fixed with Connection Block (17); Skid-proof rubber is had at holder (16) and the partial fixing of earth surface;
Described Connection Block (17) creates the pedestal supporting and install connecting axle (15), and the upper manufacture of Connection Block (17) has pin-and-hole (14) and locking screw;
Described locking screw is manufactured near the pin-and-hole (14) on Connection Block (17), is equipped with lock bolt (18) in locking screw;
Described lock bolt (18) creates screw, can rotate in locking screw;
Described holder (16) and Connection Block (17) manufacture as a whole, or the formation entirety that is fixed together after separately manufacturing;
Connecting axle (15) creates pivot pin or bolt, is fixed on Connection Block (17) and is above connected with load bearing seat (1);
Described load bearing seat (1) creates Connection Block (17), lower part manufacture has horizontal pin-and-hole (14), the upper end of upper part manufactures Inner taper hole (12), manufacture below Inner taper hole (12) and have mesopore (8), Inner taper hole (12) is directly through with mesopore (8), is fixed with locking bar (4) at the middle part of the bottom of mesopore (8); The center line of described pin-and-hole (14) and the central axis of Inner taper hole (12); Having to live in the outside manufacture of Inner taper hole (12) part of load bearing seat (1) and turning hole, work being turned hole and creates circular hole, gravity cone (19) is installed in circular hole; Being connected with Connection Block (17) below by connecting axle (15) of load bearing seat (1), the Inner taper hole (12) that passes through above of load bearing seat (1) coordinates with the male cone (strobilus masculinus) (10) of cleat stanchion (2) with locking bar (4) and is connected and fixes;
Described gravity cone (19) creates the vertical bar with taper shank, and taper shank is vertical with vertical bar, and taper shank inserts to live and turns fixing in hole and turn in hole can freely rotate alive;
Described holder (16), Connection Block (17), connecting axle (15) and load bearing seat (1) can also be assembled into the entirety of a combination, are beneficial to rapid-assembling maintenance circuit ladder;
Described cleat stanchion (2) creates two ends the cylinder that male cone (strobilus masculinus) (10) is good, the end face at cleat stanchion (2) two ends has all manufactured sliding eye (9), sliding eye (9) creates and stretches in the cylinder of cleat stanchion (2) in the end of cleat stanchion (2), manufacturing in the cylinder of the cleat stanchion (2) near male cone (strobilus masculinus) (10) has brake hole (5) wear out the surface of cylinder and communicate with sliding eye (9), and cleat stanchion (2) is fixed with riding boogie board (13);
Described riding boogie board (13) creates ear seat and foot hold two parts, and ear seat is fixed on cleat stanchion (2), and foot hold is fixed on the top-direction be merely able to ladder on ear seat by pivot pin and draws in; On foot hold, cover has anti-skidding antiskid glue sleeve or above foot hold, is fixed with anti-skidding skid-proof rubber;
The end face at the two ends of described connector (3) has all manufactured Inner taper hole (12), the inside of Inner taper hole (12) manufactures mesopore (8), is fixed with locking bar (4) in the bottom of mesopore (8);
Described sliding eye (9) is manufactured on the end at cleat stanchion (2) two ends, creates bearing bore or through hole, communicates with brake hole (5);
Described brake hole (5) is manufactured on the surface that cleat stanchion (2) wears out cylinder in the cylinder of male cone (strobilus masculinus) (10), communicates with sliding eye (9), corresponding with the position of the breaker slot on locking bar (4); Thrust spring (7) and banking pin (6) are installed in brake hole (5), the handle portion of banking pin (6) from stretching out the surface of cleat stanchion (2) after the central part of thrust spring (7) passes, the brake head of banking pin (6) stretch out brake hole (5) afterwards with insert in sliding eye (9) or insert in the breaker slot locking bar (4), thrust spring (7) is arranged on the middle part of banking pin (6), and one end of thrust spring (7) is pressed on the brake head of banking pin (6), the other end withstands on brake hole (5);
Described brake hole (5) can also create independent hole, the housing with the mating shapes of brake hole (5) is inlaid with in brake hole (5), when housing exposes the damaged surface of cleat stanchion (2) in brake hole (5), the one end of exposing the damaged surface of cleat stanchion (2) connects with screw or rivets or be welded on the damaged surface of cleat stanchion (2); When housing does not expose the damaged surface of cleat stanchion (2) in brake hole (5), connect with screw or rivet or weld or be fixed in brake hole (5) with jump ring; The inside and outside two ends of described housing manufacture porose, banking pin (6) and thrust spring (7) are installed in housing, thrust spring (7) is arranged between brake head and housing, stretches out, brake head stretches out from the hole of the inner face of housing after the handle of banking pin (6) passes from the centre of thrust spring (7) from the hole of housing outer face;
Described locking bar (4) creates cylinder, has breaker slot in the upper manufacture of locking bar (4); Described breaker slot creates the groove of right triangular shape, and be manufactured on locking bar (4) upper corresponding with the position of brake head, groove top creates acute angle, and the locking face of breaker slot creates the face of right-angle side;
Described banking pin (6) creates brake head, middle part and handle three part, three parts create one, banking pin (6) is arranged in brake hole (5) through after thrust spring (7), brake head enters in sliding eye (9) and coordinates with the breaker slot on locking bar (4), and handle portion stretches out the damaged surface of cleat stanchion (2); The leading section of described brake head creates arcwall face or acute angle bevel and faces the shape of composition directly, creates face directly, create arcwall face or acute angle bevel towards the one side of locking bar (4) fixed end towards the one side on locking bar (4) top;
Thrust spring (7) creates helical spring;
The connection of described cleat stanchion (2) and load bearing seat (1) and cleat stanchion (2) and connector (3) and fix and all adopt cone match, is beneficial to quick assembling and quick demolition; During assembling, cleat stanchion (2) and load bearing seat (1) and cleat stanchion (2) and connector (3) are pressed tighter and tighter and realize automatic fastening under the effect of the gravity born and self gravitation; During demolition, after pulling handle to make banking pin (6) exit breaker slot, cleat stanchion (2) and connector (3) are lifted will automatically be separated respectively to upper one;
The conical surface creates inner conical surface (11) and male cone (strobilus masculinus) (10), inner conical surface (11) and male cone (strobilus masculinus) (10) create the taper surface of point, the cross section of the conical surface creates the circular conical surface, or create the polygonal conical surface, or create the conical surface of circular arc, or create the special-shaped conical surface that circular arc and line segment form;
Tapering and the tapering that male cone (strobilus masculinus) (10) coordinates of described Inner taper hole (12) create consistent or close to consistent tapering;
In order to cleat stanchion (2) can be supported on the ground having angle of inclination, when holder (16) is laid on a horizontal ground, the central axis of load bearing seat (1), in holder (16), ensure that the verticality being arranged on cleat stanchion (2) on load bearing seat (1) and horizontal plane; When holder (16) is placed on the ground of inclination, load bearing seat (1) can rotate certain angle around connecting axle (15) on holder (16), ensure that the verticality being arranged on cleat stanchion (2) on load bearing seat (1) and horizontal plane;
Described holder (16) is fixed with Connection Block (17), Connection Block (17) there are pin-and-hole (14) and locking screw, connecting axle (15) links together Connection Block (17) and load bearing seat (1) through the pin-and-hole (14) of the pin-and-hole (14) on Connection Block (17) and load bearing seat (1) bottom, and load bearing seat (1) is provided with gravity cone (19); Lock bolt (18) exceedes the lock bolt (18) of locking screw screw end after screwing in the locking screw on Connection Block (17) is pressed in lower part locking load bearing seat (1) of load bearing seat (1) and the fit angle of holder (16); Described load bearing seat (1) is coordinated by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of cleat stanchion (2) lower end and fixes, and is coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the brake head be arranged in cleat stanchion (2) by the breaker slot on the locking bar (4) of the mesopore (8) that is fixed on load bearing seat (1) bottom; Manufacture in the outside of Inner taper hole (12) part of load bearing seat (1) that having lives turns hole, the taper shank of the upper end of gravity cone (19) inserts to live and to turn in hole fixing and turns in hole and can freely rotate living; Inner taper hole (12) is had at the two ends of connector (3), the male cone (strobilus masculinus) (10) of two cleat stanchions (2) inserts in the Inner taper hole (12) at connector (3) two ends respectively, coordinate by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of cleat stanchion (2) and fix, and being coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the brake head be arranged in cleat stanchion (2) by the breaker slot on the locking bar (4) of the mesopore (8) that is fixed on connector (3) bottom; Cleat stanchion (2) is fixed with riding boogie board (13).
CN201510411035.9A 2015-01-23 2015-07-14 Electrocircuit maintenance ladder Pending CN105019812A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510411035.9A CN105019812A (en) 2015-01-23 2015-07-14 Electrocircuit maintenance ladder

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201520046144 2015-01-23
CN201510411035.9A CN105019812A (en) 2015-01-23 2015-07-14 Electrocircuit maintenance ladder

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Family Applications (20)

Application Number Title Priority Date Filing Date
CN201510411035.9A Pending CN105019812A (en) 2015-01-23 2015-07-14 Electrocircuit maintenance ladder
CN201510411021.7A Active CN105003192B (en) 2015-01-23 2015-07-14 High-tension circuit maintenance ladder
CN201510411043.3A Pending CN105041189A (en) 2015-01-23 2015-07-14 Vertical ladder for maintaining high-voltage lines
CN201510411031.0A Pending CN105024304A (en) 2015-01-23 2015-07-14 Upright maintenance ladder for high-voltage line
CN201510411046.7A Pending CN105019814A (en) 2015-01-23 2015-07-14 High-voltage electric power maintenance vertical ladder
CN201510411016.6A Pending CN105019808A (en) 2015-01-23 2015-07-14 High-voltage electric power maintenance vertical ladder
CN201510411014.7A Pending CN105019807A (en) 2015-01-23 2015-07-14 High-voltage electric power vertical maintenance ladder
CN201510411060.7A Pending CN105019819A (en) 2015-01-23 2015-07-14 High-voltage electric power maintenance vertical ladder
CN201510411006.2A Pending CN105041187A (en) 2015-01-23 2015-07-14 Circuit repair vertical ladder
CN201510411005.8A Pending CN105019806A (en) 2015-01-23 2015-07-14 High-voltage electric power maintenance ladder
CN201510411057.5A Expired - Fee Related CN105019816B8 (en) 2015-01-23 2015-07-14 Power equipment maintaining ladder
CN201510411042.9A Pending CN105041188A (en) 2015-01-23 2015-07-14 Vertical ladder for maintaining high-voltage lines
CN201510411032.5A Pending CN105019810A (en) 2015-01-23 2015-07-14 High-voltage electric power maintenance ladder
CN201510411039.7A Pending CN105019813A (en) 2015-01-23 2015-07-14 High-voltage electrocircuit maintenance vertical ladder
CN201510411022.1A Pending CN105019809A (en) 2015-01-23 2015-07-14 Electrocircuit maintenance vertical ladder
CN201510411061.1A Pending CN105019817A (en) 2015-01-23 2015-07-14 Electric power vertical maintenance ladder
CN201510411013.2A Pending CN105003191A (en) 2015-01-23 2015-07-14 High-voltage electric power maintenance vertical ladder
CN201510411034.4A Pending CN105019811A (en) 2015-01-23 2015-07-14 Electrocircuit vertical maintenance ladder
CN201510411015.1A Pending CN105019805A (en) 2015-01-23 2015-07-14 Electric power maintenance vertical ladder
CN201510411056.0A Pending CN105003193A (en) 2015-01-23 2015-07-14 Electric power maintenance vertical ladder

Family Applications After (19)

Application Number Title Priority Date Filing Date
CN201510411021.7A Active CN105003192B (en) 2015-01-23 2015-07-14 High-tension circuit maintenance ladder
CN201510411043.3A Pending CN105041189A (en) 2015-01-23 2015-07-14 Vertical ladder for maintaining high-voltage lines
CN201510411031.0A Pending CN105024304A (en) 2015-01-23 2015-07-14 Upright maintenance ladder for high-voltage line
CN201510411046.7A Pending CN105019814A (en) 2015-01-23 2015-07-14 High-voltage electric power maintenance vertical ladder
CN201510411016.6A Pending CN105019808A (en) 2015-01-23 2015-07-14 High-voltage electric power maintenance vertical ladder
CN201510411014.7A Pending CN105019807A (en) 2015-01-23 2015-07-14 High-voltage electric power vertical maintenance ladder
CN201510411060.7A Pending CN105019819A (en) 2015-01-23 2015-07-14 High-voltage electric power maintenance vertical ladder
CN201510411006.2A Pending CN105041187A (en) 2015-01-23 2015-07-14 Circuit repair vertical ladder
CN201510411005.8A Pending CN105019806A (en) 2015-01-23 2015-07-14 High-voltage electric power maintenance ladder
CN201510411057.5A Expired - Fee Related CN105019816B8 (en) 2015-01-23 2015-07-14 Power equipment maintaining ladder
CN201510411042.9A Pending CN105041188A (en) 2015-01-23 2015-07-14 Vertical ladder for maintaining high-voltage lines
CN201510411032.5A Pending CN105019810A (en) 2015-01-23 2015-07-14 High-voltage electric power maintenance ladder
CN201510411039.7A Pending CN105019813A (en) 2015-01-23 2015-07-14 High-voltage electrocircuit maintenance vertical ladder
CN201510411022.1A Pending CN105019809A (en) 2015-01-23 2015-07-14 Electrocircuit maintenance vertical ladder
CN201510411061.1A Pending CN105019817A (en) 2015-01-23 2015-07-14 Electric power vertical maintenance ladder
CN201510411013.2A Pending CN105003191A (en) 2015-01-23 2015-07-14 High-voltage electric power maintenance vertical ladder
CN201510411034.4A Pending CN105019811A (en) 2015-01-23 2015-07-14 Electrocircuit vertical maintenance ladder
CN201510411015.1A Pending CN105019805A (en) 2015-01-23 2015-07-14 Electric power maintenance vertical ladder
CN201510411056.0A Pending CN105003193A (en) 2015-01-23 2015-07-14 Electric power maintenance vertical ladder

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CN (20) CN105019812A (en)

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CN105019808A (en) 2015-11-04
CN105019806A (en) 2015-11-04
CN105041189A (en) 2015-11-11
CN105003193A (en) 2015-10-28
CN105041187A (en) 2015-11-11
CN105019816A (en) 2015-11-04
CN105019813A (en) 2015-11-04
CN105019814A (en) 2015-11-04
CN105003191A (en) 2015-10-28
CN105019811A (en) 2015-11-04
CN105019810A (en) 2015-11-04
CN105019809A (en) 2015-11-04
CN105019805A (en) 2015-11-04
CN105019816B (en) 2017-05-24
CN105019816B8 (en) 2017-07-18
CN105019819A (en) 2015-11-04
CN105024304A (en) 2015-11-04
CN105003192B (en) 2017-04-05
CN105041188A (en) 2015-11-11
CN105003192A (en) 2015-10-28
CN105019817A (en) 2015-11-04
CN105019807A (en) 2015-11-04

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