CN205153986U - Circuit maintenance is ladder upright - Google Patents

Abstract

The utility model provides a circuit maintenance is ladder upright is fixed with the connecting seat on its fixing base, connecting seat and load bearing seat are connected to the connecting axle, and the gravity awl has been installed to the load bearing seat, interior taper hole and outer cone combined with and fixed, interior taper hole with outer cone combined with and fixed good back by annular locked groove with the self -locking pin cooperation the automatic interior conical surface and the male cone (strobilus masculinus) well of laminating that lock, ladder is fixed with step board. Circuit maintenance is ladder upright's structure is succinct, makes, installs and use ten minutes convenience, has solved the difficult problem that high voltage transmission lines maintenance personal upright scrambleed and stood, assembles circuit maintenance is ladder upright's fast, convenient, safe and reliable during the climbing, and it is convenient to scramble moreover, use the back, it is convenient to dismantle, pack and transport, has reduced manufacturing cost and use cost.

Description

Maintenance circuit vertical ladder

Technical field

The utility model relates to a kind of maintenance circuit vertical 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 utility model relates to is to provide a kind of maintenance circuit vertical ladder being easy to Rapid Combination and quick-detachment.

For achieving the above object, maintenance circuit vertical ladder described in the utility model mainly comprises holder, Connection Block, connecting axle, lock bolt, load bearing seat, gravity cone, cleat stanchion, connector, male cone (strobilus masculinus), Inner taper hole, inner conical surface, self-locking device;

Described maintenance circuit vertical 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 after the pin-and-hole of the pin-and-hole on Connection Block and load bearing seat bottom, and the lower part that lock bolt exceedes the lock bolt of locking screw screw end after screwing in the locking screw on Connection Block is pressed in load bearing seat locks the fit angle of load bearing seat and holder.Inner taper hole is had above described load bearing seat, 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 being coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with the annular lock groove on inner conical surface by the locking head that the self-lock pin in the self-locking hole that is arranged on cleat stanchion bottom exposes male cone (strobilus masculinus) after passing male cone (strobilus masculinus); The load bearing seat of the exterior portion of the Inner taper hole part of load bearing seat having 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 annular lock groove on inner conical surface through the locking head exposing male cone (strobilus masculinus) after male cone (strobilus masculinus) by the self-lock pin be arranged in the self-locking hole of cleat stanchion.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, inner conical surface has annular lock groove coordinate with the locking head of self-lock pin and locks coordinating of inner conical surface and male cone (strobilus masculinus).

Described self-locking device comprises self-locking hole, self-lock pin, thrust spring, thrust disc, annular lock groove, described self-locking hole is the oblique surface of cylinder and the surface of male cone (strobilus masculinus) of wearing out close male cone (strobilus masculinus) between the surface and male cone (strobilus masculinus) of the cylinder near male cone (strobilus masculinus), is horizontally installed with thrust disc, thrust spring and self-lock pin in self-locking hole; Described thrust disc is fixed on the middle part of self-lock pin, is arranged on the middle part of self-locking hole; Described thrust spring is arranged on middle part in self-locking hole, is enclosed within the middle part of self-lock pin, one end withstands on thrust disc, the other end withstands on middle part in self-locking hole, wall on or withstand on the pin handle being fixed on self-lock pin one end self-locking hole in jump ring on; The lateral surfaces that thrust spring is passed at middle part, two ends are each passed through the inner conical surface of connector or load bearing seat and the lateral surfaces of load bearing seat or connector of described self-lock pin, self-lock pin can slide in self-locking hole, and thrust spring is pressed in locking head thrust disc promoting self-lock pin and coordinates with annular lock groove and form locking; Described inner conical surface there is annular lock groove coordinate and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with the locking head of self-lock pin.

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.

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 the inner conical surface of Inner taper hole has the annular lock groove of depression, and there is mesopore below Inner taper hole or the inside, and Inner taper hole and mesopore are directly through; The center line of described pin-and-hole and the central axis of Inner taper hole; It is circular hole that work turns hole, and on the load bearing seat of the outside of Inner taper hole part, living in turning in hole is provided with gravity cone; 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 is connected with cleat stanchion and fixes.

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 cleat stanchion is the cylinder that there is male cone (strobilus masculinus) at two ends, between the surface and male cone (strobilus masculinus) of the cylinder near male cone (strobilus masculinus), have self-locking hole.

The end face at the two ends of described connector has Inner taper hole, and there is mesopore the inside of Inner taper hole, and the inner conical surface of Inner taper hole has the annular lock groove of depression.

Described annular lock groove is the cannelure of the depression on the inner conical surface of the Inner taper hole on load bearing seat and the Inner taper hole on connector, and cannelure is V-shaped groove, corresponding with the position of self-locking hole, and the one side near the oral area of Inner taper hole is locking face; Described locking face is used for coordinating with facing directly of locking head and producing locking effect.

Described self-locking hole is on the oblique surface of cylinder and the surface of male cone (strobilus masculinus) of wearing out close male cone (strobilus masculinus) of the male cone (strobilus masculinus) of cleat stanchion, corresponding with the position of annular lock groove; Thrust disc, thrust spring and self-lock pin are installed in self-locking hole, thrust disc is fixed on the middle part of self-lock pin, the pin shank portion of self-lock pin stretches out from the surface of male cone (strobilus masculinus) from the central part of thrust spring through retreading to the damaged surface of the cleat stanchion stretched out near male cone (strobilus masculinus), locking head, and one end of thrust spring is pressed on thrust disc, the other end withstands on self-locking hole.

Described self-lock pin comprises locking head, middle part and pin handle three part, three parts are connected, self-lock pin is arranged in self-locking hole through behind the two ends of self-locking hole, locking head is oblique stretch out the surface of male cone (strobilus masculinus) after coordinate with the annular lock groove in Inner taper hole and produce locking effect, the oblique damaged surface of stretching out cleat stanchion of pin shank portion; The leading section of described locking head is the one side at the bottom of the cone of acute angle bevel, the toward the outside conical surface is face directly.

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.

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 reduce costs and alleviate the weight of maintenance circuit vertical 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 vertical ladder, and holder is individual layer in the combination of maintenance circuit vertical 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.

The utility model maintenance circuit vertical ladder simple for structure, manufacture, install and use very convenient, maintenance circuit vertical 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 vertical 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

The package assembly schematic diagram of Fig. 1 maintenance circuit vertical 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.

Shown in figure: load bearing seat 1, cleat stanchion 2, connector 3, mesopore 4, self-locking hole 5, self-lock pin 6, thrust disc 7, thrust spring 8, annular lock groove 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

The utility model maintenance circuit vertical ladder mainly comprises holder 16, Connection Block 17, connecting axle 15, lock bolt 18, load bearing seat 1, gravity cone 19, cleat stanchion 2, connector 3, male cone (strobilus masculinus) 10, Inner taper hole 12, inner conical surface 11, self-locking device;

Described maintenance circuit vertical 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 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 afterwards 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 is being coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post through exposing the locking head of male cone (strobilus masculinus) 10 after male cone (strobilus masculinus) 10 with the annular lock groove 9 on inner conical surface 11 by the self-lock pin 6 in the self-locking hole 5 that is arranged on cleat stanchion 2 bottom; 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 annular lock groove 9 on inner conical surface 11 through exposing the locking head of male cone (strobilus masculinus) 10 after male cone (strobilus masculinus) 10 by the self-lock pin 6 be arranged in the self-locking hole 5 of cleat stanchion 2.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, inner conical surface 11 has annular lock groove 9 coordinate with the locking head of self-lock pin 6 and locks coordinating of inner conical surface 11 and male cone (strobilus masculinus) 10.

Described self-locking device comprises self-locking hole 5, self-lock pin 6, thrust spring 8, thrust disc 7, annular lock groove 9, described self-locking hole 5 is the oblique surface of cylinder and the surface of male cone (strobilus masculinus) 10 of wearing out close male cone (strobilus masculinus) 10 between the surface and male cone (strobilus masculinus) 10 of the cylinder near male cone (strobilus masculinus) 10, is horizontally installed with thrust disc 7, thrust spring 8 and self-lock pin 6 in self-locking hole 5; Described thrust disc 7 is fixed on the middle part of self-lock pin 6, is arranged on the middle part of self-locking hole 5; Described thrust spring 8 is arranged on middle part in self-locking hole 5, is enclosed within the middle part of self-lock pin 6, one end withstands on thrust disc 7, the other end withstands on middle part in self-locking hole 5, wall on or withstand on the pin handle being fixed on self-lock pin 6 one end self-locking hole 5 in jump ring on; The lateral surfaces that thrust spring 8 is passed at middle part, two ends are each passed through the inner conical surface 11 of connector 3 or load bearing seat 1 and the lateral surfaces of load bearing seat 1 or connector 3 of described self-lock pin 6, self-lock pin 6 can slide in self-locking hole 5, and thrust spring 8 is pressed in locking head thrust disc 7 promoting self-lock pin 6 and coordinates with annular lock groove 9 and form locking; Described inner conical surface 11 there is annular lock groove 9 coordinate and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post with the locking head of self-lock pin 6.

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.

Described load bearing seat 1 is Connection Block 17, lower part has horizontal pin-and-hole 14, there is Inner taper hole 12 upper end of upper part, and the inner conical surface 11 of Inner taper hole 12 has the annular lock groove 9 of depression, below Inner taper hole 12 or the inside has mesopore 4, Inner taper hole 12 and mesopore 4 directly through; 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, being connected with cleat stanchion 2 by Inner taper hole 12 above and fixing of load bearing seat 1.

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 cleat stanchion 2 is cylinders that there is male cone (strobilus masculinus) 10 at two ends, between the surface and male cone (strobilus masculinus) 10 of the cylinder near male cone (strobilus masculinus) 10, have self-locking hole 5.

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 4, and the inner conical surface 11 of Inner taper hole 12 has the annular lock groove 9 of depression.

Described annular lock groove 9 is cannelures of the depression on the inner conical surface 11 of the Inner taper hole 12 on load bearing seat 1 and the Inner taper hole 12 on connector 3, and cannelure is V-shaped groove, corresponding with the position of self-locking hole 5, and the one side near the oral area of Inner taper hole 12 is locking face.

Described self-locking hole 5 is on the oblique surface of cylinder and the surface of male cone (strobilus masculinus) 10 of wearing out close male cone (strobilus masculinus) 10 of the male cone (strobilus masculinus) 10 of cleat stanchion 2, corresponding with the position of annular lock groove 9; Thrust disc 7, thrust spring 8 and self-lock pin 6 are installed in self-locking hole 5, thrust disc 7 is fixed on the middle part of self-lock pin 6, the pin shank portion of self-lock pin 6 stretches out from the surface of male cone (strobilus masculinus) 10 from the central part of thrust spring 8 through retreading to the damaged surface of the cleat stanchion 2 stretched out near male cone (strobilus masculinus) 10, locking head, and one end of thrust spring 8 is pressed on thrust disc 7, the other end withstands on self-locking hole 5.

Described self-lock pin 6 comprises locking head, middle part and pin handle three part, three parts are connected, self-lock pin 6 is arranged in self-locking hole 5 through behind the two ends of self-locking hole 5, locking head is oblique stretch out the surface of male cone (strobilus masculinus) 10 after coordinate with the annular lock groove 9 in Inner taper hole 12 and produce locking effect, the oblique damaged surface of stretching out cleat stanchion 2 of pin shank portion; The leading section of described locking head is the one side at the bottom of cone of acute angle bevel, the toward the outside conical surface 10 is face directly.

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.

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 reduce costs and alleviate the weight of maintenance circuit vertical 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 vertical ladder, and holder 16 is individual layer in the combination of maintenance circuit vertical 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.

Maintenance circuit vertical 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 the male cone (strobilus masculinus) 10 of cleat stanchion 2 is inserted in the Inner taper hole 12 of load bearing seat 1, 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 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, insert in the process of Inner taper hole 12 at the male cone (strobilus masculinus) 10 of cleat stanchion 2, during inner conical surface 11 position that locking head enters into, inclined-plane on inner conical surface 11 oblique promotion locking head makes locking head compress thrust spring 8 and outside oblique yielding, 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, locking head just in time enters the position of annular lock groove 9 after slipping over the inner conical surface 11 above annular lock groove 9 smoothly, locking head enters in annular lock groove 9 under the powered of thrust spring 8, to coordinate with the inner conical surface 11 of fitting with the locking face of the annular lock groove 9 of V-arrangement and male cone (strobilus masculinus) 10 is locked can not retreat by facing directly of locking head, 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, again the Inner taper hole 12 of connector 3 is enclosed within the male cone (strobilus masculinus) 10 of the upper end of cleat stanchion 2, afterwards, again the male cone (strobilus masculinus) 10 of another root cleat stanchion 2 is inserted in the Inner taper hole 12 of connector 3 in the Inner taper hole 12 of connector 3 again, under the effect of the gravity of self gravitation and carrying, 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 connector 3 or cleat stanchion 2 is larger, and it is closely and more more firm that inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted, insert in the process of Inner taper hole 12 at the male cone (strobilus masculinus) 10 of cleat stanchion 2, during inner conical surface 11 position that locking head enters into, inclined-plane on inner conical surface 11 oblique promotion locking head makes locking head compress thrust spring 8 and outside oblique yielding, 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, locking head just in time enters the position of annular lock groove 9 after slipping over the inner conical surface 11 above annular lock groove 9 smoothly, locking head enters in annular lock groove 9 under the powered of thrust spring 8, to coordinate with the inner conical surface 11 of fitting with the locking face of the annular lock groove 9 of V-arrangement and male cone (strobilus masculinus) 10 is locked can not retreat by facing directly of locking head, when cleat stanchion 2 built-up circuit of E, employing multilayer keeps in repair vertical ladder, on the male cone (strobilus masculinus) 10 that the inner conical surface 11 of connector 3 can be enclosed within cleat stanchion 2 by step and method again that repeat D step or again inserted by the male cone (strobilus masculinus) 10 of cleat stanchion 2 in the Inner taper hole 12 of connector 3 below, 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 is with connector 3, pull the pin handle of self-lock pin 6, after the locking head of self-lock pin 6 front end exits the annular lock groove 9 on inner conical surface 11, cleat stanchion 2 or connector 3 upwards one are drawn or one to be lifted, and the male cone (strobilus masculinus) 10 of cleat stanchion 2 will separate automatically with the Inner taper hole 12 of connector 3.During the cleat stanchion 2 that dismounting load bearing seat 1 is fixed, pull the pin handle of self-lock pin 6, after the locking head of self-lock pin 6 front end exits the annular lock groove 9 on male cone (strobilus masculinus) 10, cleat stanchion 2 upwards one is drawn or one lifts and automatically will separate with the Inner taper hole 12 of load bearing seat 1, and cleat stanchion 2 will separate automatically with load bearing seat 1.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 (3)

1. a maintenance circuit vertical ladder, is characterized in that: described maintenance circuit vertical ladder mainly comprises holder (16), Connection Block (17), connecting axle (15), lock bolt (18), load bearing seat (1), gravity cone (19), cleat stanchion (2), connector (3), male cone (strobilus masculinus) (10), Inner taper hole (12), inner conical surface (11), self-locking device;

Described maintenance circuit vertical 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) afterwards 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 is being coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the annular lock groove (9) on inner conical surface (11) through exposing the locking head of male cone (strobilus masculinus) (10) after male cone (strobilus masculinus) (10) by the self-lock pin (6) be arranged in the self-locking hole (5) of cleat stanchion (2) bottom, be provided with to live in the exterior portion 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 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 coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the annular lock groove (9) on inner conical surface (11) through exposing the locking head of male cone (strobilus masculinus) (10) after male cone (strobilus masculinus) (10) by the self-lock pin (6) in the self-locking hole (5) that is arranged on cleat stanchion (2), 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, inner conical surface (11) has annular lock groove (9) coordinate with the locking head of self-lock pin (6) and locks coordinating of inner conical surface (11) and male cone (strobilus masculinus) (10);

Described self-locking device comprises self-locking hole (5), self-lock pin (6), thrust spring (8), thrust disc (7), annular lock groove (9), described self-locking hole (5) is the oblique surface of cylinder and the surface of male cone (strobilus masculinus) (10) of wearing out close male cone (strobilus masculinus) (10) between the surface and male cone (strobilus masculinus) (10) of the cylinder near male cone (strobilus masculinus) (10), is horizontally installed with thrust disc (7), thrust spring (8) and self-lock pin (6) in self-locking hole (5); Described thrust disc (7) is fixed on the middle part of self-lock pin (6), is arranged on the middle part of self-locking hole (5); Described thrust spring (8) is arranged on middle part in self-locking hole (5), is enclosed within the middle part of self-lock pin (6), one end withstands on that thrust disc (7) is upper, the other end withstands on middle part in self-locking hole (5), wall on or withstand on the pin handle being fixed on self-lock pin (6) one end self-locking hole (5) in jump ring on; The lateral surfaces that thrust spring (8) is passed at middle part, two ends are each passed through the inner conical surface (11) of connector (3) or load bearing seat (1) and the lateral surfaces of load bearing seat (1) or connector (3) of described self-lock pin (6), self-lock pin (6) can slide in self-locking hole (5), and thrust spring (8) is pressed in locking head thrust disc (7) promoting self-lock pin (6) and coordinates with annular lock groove (9) and form locking; Described inner conical surface (11) there is annular lock groove (9) to coordinate and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the locking head of self-lock pin (6);

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;

Near the pin-and-hole (14) of described locking screw on Connection Block (17);

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, the inner conical surface (11) of Inner taper hole (12) has the annular lock groove (9) of depression, there is mesopore (4) below Inner taper hole (12) or the inside, and Inner taper hole (12) is directly through with mesopore (4); The center line of described pin-and-hole (14) and the central axis of Inner taper hole (12); It is circular hole that work turns hole, and on the load bearing seat (1) of the outside of Inner taper hole (12) part, living in turning in hole is provided with gravity cone (19); 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) is connected with cleat stanchion (2) and fixes;

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 cleat stanchion (2) is the cylinder that there are male cone (strobilus masculinus) (10) at two ends, between the surface and male cone (strobilus masculinus) (10) of the cylinder near male cone (strobilus masculinus) (10), have self-locking hole (5);

The end face at the two ends of described connector (3) has Inner taper hole (12), there is mesopore (4) the inside of Inner taper hole (12), and the inner conical surface (11) of Inner taper hole (12) has the annular lock groove (9) of depression;

Described annular lock groove (9) is the cannelure of the depression on the inner conical surface (11) of the Inner taper hole (12) on load bearing seat (1) and the Inner taper hole (12) on connector (3), cannelure is V-shaped groove, corresponding with the position of self-locking hole (5), the one side near the oral area of Inner taper hole (12) is locking face;

Described self-locking hole (5) is on the oblique surface of cylinder and the surface of male cone (strobilus masculinus) (10) of wearing out close male cone (strobilus masculinus) (10) of the male cone (strobilus masculinus) (10) of cleat stanchion (2), corresponding with the position of annular lock groove (9); Thrust disc (7), thrust spring (8) and self-lock pin (6) are installed in self-locking hole (5), thrust disc (7) is fixed on the middle part of self-lock pin (6), the pin shank portion of self-lock pin (6) stretches out from the surface of male cone (strobilus masculinus) (10) from the central part of thrust spring (8) through retreading to the damaged surface of the cleat stanchion (2) stretched out near male cone (strobilus masculinus) (10), locking head, and one end of thrust spring (8) is pressed in that thrust disc (7) is upper, the other end withstands on self-locking hole (5);

Described self-lock pin (6) comprises locking head, middle part and pin handle three part, three parts are connected, self-lock pin (6) is arranged in self-locking hole (5) through behind the two ends of self-locking hole (5), locking head is oblique stretch out the surface of male cone (strobilus masculinus) (10) after coordinate with the annular lock groove (9) in Inner taper hole (12) and produce locking effect, the oblique damaged surface of stretching out cleat stanchion (2) of pin shank portion; The leading section of described locking head is the one side at the bottom of the cone of acute angle bevel, the toward the outside conical surface (10) is face directly;

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.

2. maintenance circuit vertical ladder according to claim 1, it is characterized in that: in order to reduce costs and alleviate the weight of maintenance circuit vertical 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 vertical ladder, and holder (16) is individual layer in the combination of maintenance circuit vertical ladder.

3. maintenance circuit vertical ladder according to claim 1, it is characterized in that: 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).