CN104806158A

CN104806158A - High-voltage line maintenance ladder

Info

Publication number: CN104806158A
Application number: CN201510089551.4A
Authority: CN
Inventors: 徐子云; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-02-27
Filing date: 2015-02-27
Publication date: 2015-07-29

Abstract

The invention discloses a high-voltage line maintenance ladder. The high-voltage line maintenance ladder is characterized in that a pin boss is fixed on a support; the pin boss and a rotating seat are connected through a rotating pin; an angle of the support and the rotating seat is locked by a locking screw; an outer conical surface of the lower end of one support body is matched with an inner conical surface of an inner conical hole of the rotating seat or one lower support body for fixing, and the well attached inner conical surface and outer conical surface are locked automatically through matching of an annular lock slot in the outer conical surface and a self-locking pin after the inner conical hole and the outer conical surface are matched and fixed; foldable type pedals capable of being folded to one end of a connector of each support body are fixed on a column surface of the support body; anti-slip glue is glued at the bottom of the support. The high-voltage line maintenance ladder is simple in structure, very convenient to manufacture, assemble and use and portable, a tool is not required in assembling and disassembling processes when the ladder is used, the problem about upright climbing and standing of a high-voltage line maintenance worker is solved, and the ladder is fast to assemble, safe, reliable and convenient to climb; the ladder is convenient to disassemble, package and transport after use.

Description

High voltage line maintenance ladder

Technical field

The present invention relates to a kind of high voltage line maintenance ladder uprightly climbed when keeping in repair high-tension line for high-tension line maintenance personal.

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 be in order to provide a kind of be beneficial to carry, the high voltage line maintenance ladder being convenient to lay, assemble and climb and manufacturing and method.

For achieving the above object, high voltage line maintenance ladder of the present invention comprises bearing, key seat, lock bolt, rotational pin, rotation seat, supporter, male cone (strobilus masculinus), Inner taper hole, inner conical surface, self-locking device;

Described high voltage line maintenance ladder is the ladder of single column support type, and the pedestal of carrying ladder is bearing, and the cradle head of ladder is key seat and the rotation seat of rotational pin connection, and the cylinder supporting ladder is Body of pillar, has foot-operated in the both sides of Body of pillar;

Described bearing is fixed with key seat, key seat there are pin-and-hole and locking screw, rotational pin links together key seat and rotation seat through the pin-and-hole of the pin-and-hole on key seat and rotation seat bottom, and lock bolt exceedes the lock bolt of locking screw screw end after screwing in the locking screw on key seat is pressed in the lower part locking rotation seat of rotation seat and the fit angle of bearing; Inner taper hole and self-locking hole is had above described rotation seat, below Inner taper hole or the inside have air gap groove, rotation seat is coordinated with the male cone (strobilus masculinus) of supporter lower end by Inner taper hole and is fixed, and is coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post by the locking head of the annular lock groove on male cone (strobilus masculinus) with the self-lock pin through inner conical surface being arranged on rotation seat upper part; Inner taper hole and self-locking hole is had in the connection head end of supporter upper end, there is air gap groove below Inner taper hole or the inside, the male cone (strobilus masculinus) of supporter lower end inserts in the Inner taper hole in the connector of a supporter below, coordinated with the male cone (strobilus masculinus) of supporter lower end by Inner taper hole and fix, and being coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post by the locking head of the annular lock groove on male cone (strobilus masculinus) with the self-lock pin be arranged on through inner conical surface in connector; Be fixed with the foot-operated of the folding that can draw in one end of the connector of supporter in the damaged surface of supporter, foot-operated upper cover has or is stained with skid-proof rubber.

Described supporter has the lower end of male cone (strobilus masculinus) to insert in the Inner taper hole in the middle part of rotation seat, or, supporter has the lower end of male cone (strobilus masculinus) to insert in the Inner taper hole in the connector of a supporter upper end below, male cone (strobilus masculinus) there is annular lock groove coordinate with the locking head of self-lock pin, then lock coordinating of inner conical surface and male cone (strobilus masculinus).

Described Inner taper hole is the hole having tapering, has inner conical surface in Inner taper hole.Inner taper hole on described rotation seat coordinates with the male cone (strobilus masculinus) of the lower end of pillar and fixes, and the Inner taper hole on connector coordinates with the male cone (strobilus masculinus) of the lower end of another root pillar and fixes; Described Inner taper hole is coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with the locking head of self-lock pin by the annular lock groove on male cone (strobilus masculinus) after coordinating with male cone (strobilus masculinus) 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 self-locking hole, self-lock pin, thrust spring, thrust disc, annular lock groove, and described self-locking hole, on the upper part and connector of rotation seat, 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 the middle part that the large part of the middle aperture of self-locking hole is enclosed within self-lock pin, on the wall of the part that the middle aperture that one end withstands on thrust disc, the other end withstands on self-locking hole is large or withstand on the jump ring of the little part in the aperture of self-locking hole of one end of the pin handle being fixed on self-lock pin; The lateral surfaces that thrust spring is passed at middle part, two ends are each passed through the inner conical surface of connector or rotation seat and the lateral surfaces of rotation 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 male cone (strobilus masculinus) 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 bearing is disking body or is in strip interconnection shape, disking body or be in strip interconnection shape middle part be above fixed with key seat, at disking body or be in strip below interconnection shape and be stained with skid-proof rubber; Described bearing is used for fixing key seat, steady brace and supporting strut and bears all wt that key seat bears, and prevents the lower end of supporter to be absorbed in earth; Described skid-proof rubber is fixed on disking body or is in strip below interconnection shape, prevents bearing from sliding on the ground with ground resulting in friction.

Described key seat supports and installs the supporter of rotational pin, supporter has pin-and-hole and locking screw, and pin-and-hole is for installing and fixing rotational pin bear all wt that rotational pin bears.

Near the pin-and-hole of described locking screw on key seat, 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 rotation seat of rotation seat and the fit angle of bearing.

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 rotation seat.

Described rotational pin is pivot pin or bolt, for connecting key seat and rotation seat and bearing all wt that rotation seat bears.

Described rotation seat is Connection Block, lower part has horizontal pin-and-hole, there is Inner taper hole the upper end of upper part, between the surface of rotation seat upper part and Inner taper hole, have self-locking hole, there is air gap groove below Inner taper hole or the inside, Inner taper hole and air gap groove directly through; The center line of described pin-and-hole is with the central axis of Inner taper hole or close to vertical; Being connected with key seat below by rotational pin of rotation seat, be connected with pillar by Inner taper hole above; Described rotation seat is used for all wt that steady brace and supporting strut and pillar bear.

Described supporter is the cylinder that there is male cone (strobilus masculinus) one end, the other end has Inner taper hole, comprises connector and pillar two parts, is fixed with the foot-operated of the folding that can draw in one end of the connector of supporter in the damaged surface of supporter; Described supporter is that connector and pillar are fixed together the entirety formed or the entirety be inherently connected; Pillar does not have one end of male cone (strobilus masculinus) and connector not to have one end of Inner taper hole to be connected or is fixed together to form entirety.The end face of one end of described connector has Inner taper hole, and there is air gap groove the inside of Inner taper hole, between the surface of connector and Inner taper hole, have self-locking hole.Annular lock groove is had at the mid portion of the male cone (strobilus masculinus) of pillar, described annular lock groove is the dovetail groove of annular, the annular locking limit of annular lock groove is the facing directly of annular, central axis with supporter, corresponding with the position of self-locking hole, for coordinating with facing directly of locking head and produce locking effect, then the locked inner conical surface that posts and male cone (strobilus masculinus), and then make connector and supporter and rotation seat and supporter fixation.

Described air gap groove in the inside of Inner taper hole, for pillar 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 foot-operatedly comprise hanger, connecting pin and riding boogie board, hanger is the connector having pin-and-hole be fixed on Body of pillar, connecting pin is the pin connecting hanger and riding boogie board, riding boogie board is cylinder or blocks, on riding boogie board, be stained with skid-proof rubber or have antiskid glue sleeve in the upper surface cover of riding boogie board, the skid-proof rubber on foot-operated plays and prevents from riding up anti-skidding effect.

Described self-locking hole is independent cavity, on rotation seat and in one end of the connector of pillar, mid portion and wear out that the aperture of abutment surface is large, aperture that the one end, the inside in hole is stretched out for the locking head of self-lock pin is little, communicate with self-locking hole, corresponding with the position of the annular lock groove on male cone (strobilus masculinus), the large part of the median pore radius of self-locking hole is for installing the housing with the mating shapes of self-locking hole; In self-locking hole, be inlaid with the housing with the mating shapes of self-locking hole, housing exposes or does not expose the damaged surface of pillar in self-locking hole; When housing exposes the damaged surface of pillar, the one end of exposing the damaged surface of pillar connects with screw or rivets or be welded on the damaged surface of pillar; When housing does not expose the damaged surface of pillar, connect with screw or rivet or weld or be fixed in self-locking hole with jump ring; The inside and outside two ends of described housing manufacture porose, self-lock pin, thrust spring, thrust disc are installed in housing, thrust disc is arranged on the middle part of self-lock pin, thrust spring is arranged between thrust disc and housing, stretches out, locking head stretches out from the hole of the inner face of housing after the pin handle of self-lock pin passes from the centre of thrust spring from the hole of housing outer face.Described housing for installing self-lock pin and thrust spring, and self-lock pin can be moved in housing.

Described self-lock pin is that comprise locking head, middle part and pin handle three part, three parts are connected with the bar of pin handle and locking head or rod or block; The middle part of self-lock pin in the self-locking hole of the large mid portion in the aperture of self-locking hole through after thrust spring, locking head to put in after laterally entering Inner taper hole in the annular lock groove on male cone (strobilus masculinus) again and coordinates with annular lock groove, and it is surperficial or cross out the surface of upper part of rotation seat that pin shank portion crosses out the connector of supporter; The leading section of described locking head be acute angle bevel with face directly the shape of composition, towards the one side of the small end of Inner taper hole be face directly, acute angle bevel retreats for allowing the end of male cone (strobilus masculinus) end of pillar and male cone (strobilus masculinus) oblique promotion locking head, faces directly for coordinating locked male cone (strobilus masculinus) of working good and inner conical surface with the annular groove limit of facing directly of annular lock groove.

Described thrust disc is the porose card in the solid or hollow centre be fixed on self-lock pin, or a projection on self-lock pin; When described chuck is solid or hollow card, be fixed on the mid portion of self-lock pin; Thrust disc is for bearing the thrust of promotion spring and passing to self-lock pin.

Described thrust spring is helical spring, and the locking head for promoting self-lock pin coordinates with the annular lock groove on male cone (strobilus masculinus) and completes automatic locking.

Described annular lock groove is the trapezoidal annular groove lower than male cone (strobilus masculinus), the male cone (strobilus masculinus) of supporter lower end coordinates with self-lock pin and completes self-locking, corresponding with the position of self-locking hole, and the one side near strut ends is locking face; Described locking face is used for coordinating with facing directly of the brake head of self-lock pin and producing locking effect; The angle considering to insert is not needed when described annular lock groove is for allowing the locking head of self-lock pin insert annular lock groove, coordinate with self-lock pin and the locked inner conical surface that posts and male cone (strobilus masculinus), so make supporter and supporter fixation and rotation seat and with supporter fixation.

The inner conical surface of described Inner taper hole is used for coordinating with male cone (strobilus masculinus) and installing supporter, realize rotation seat and supporter the fixing fast of fixing and supporter and supporter fast, be beneficial to the quick assembling of supporter and quick demolition, play Fast Installation and effect fixing fast; And then make supporter and connector and supporter and rotation seat fixation respectively.

In order to increase connectivity robustness and the stability of ladder, improving the speed of installation and demolition, described supporter and the connection between rotation seat and supporter and fixingly all adopt cone match, being beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) of supporter, in the Inner taper hole of rotation seat, is coordinated with self-lock pin by the annular lock groove on male cone (strobilus masculinus) and pins and lock the male cone (strobilus masculinus) of pillar with coordinating of the inner conical surface of rotation seat and do not loosen; The male cone (strobilus masculinus) of supporter, in the Inner taper hole of connector, is coordinated with self-lock pin by the annular lock groove on male cone (strobilus masculinus) and pins and lock the male cone (strobilus masculinus) of pillar 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 supporter self gravitation and realize automatic fastening; During demolition, pull the pin handle of self-lock pin, after the locking head of self-lock pin front end exits the annular lock groove on male cone (strobilus masculinus), supporter upwards one is lifted male cone (strobilus masculinus) 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; The described conical surface is the face of the square taper of nose part, or goes conical of nose part.

In order to can tilt ground on supported body, when bearing is arranged on smooth ground, the central axis of rotation seat, in bearing, ensure that the supporter be arranged on rotation seat is vertical or near perpendicular to horizontal plane; When bearing is arranged on the ground of inclination, certain angle is rotated in the rotation seat untie-sell that can rotate on bearing, ensure that the supporter be arranged on rotation seat is vertical or near perpendicular to horizontal plane.

Rotational pin is adopted to be fastened on key seat on bearing and rotation seat, make the rotation seat untie-sell that can rotate on bearing rotate certain angle, reach when bearing is arranged on the ground of inclination and ensure that the supporter be arranged on rotation seat keeps the object perpendicular to horizontal plane.

In order to make the assembling of high voltage line maintenance ladder quick, bearing, key seat, rotational pin and rotation seat are the parts of entirety or the dispersion 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 self-locking hole, self-lock pin, thrust disc, thrust spring and annular lock groove composition locking system is locked works good and male cone (strobilus masculinus).

In order to reduce costs and alleviate the weight of ladder, described rotation seat and supporter are hollow bodies; Described supporter is individual layer or multilayer in the combination of ladder, and rotation seat is individual layer in the combination of ladder.

In order to ensure that supporter is all the time perpendicular to horizontal plane, adopt lock bolt to produce by rotation forces rotation seat and key seat the angle angle that frictional force fixes rotation seat and bearing, when bearing is arranged on the ground of inclination, ensure that the supporter be arranged on rotation seat remains perpendicular to horizontal plane.

In order in use can Rapid Combination and facilitate pin to step on, described supporter be combined into global facility with foot-operated, can assembly fast when being beneficial to use; The described fixing employing pin ridden on supporter is connected and fixed, and rides one end be merely able to connector on supporter and draws in, makes pin step down in landing downwards when riding upper.

The assemble method of high voltage line maintenance ladder: during assembling, A, place the bearing, key seat, rotational pin and the rotation seat that fit together on the ground, bearing on ground, rotation seat is above, again the lower end of the pillar having male cone (strobilus masculinus) is inserted in the Inner taper hole of rotation seat, under the effect of self gravitation, the male cone (strobilus masculinus) of pillar and the inner conical surface of rotation seat are naturally fitted and fix, and the gravity depressed from pillar is larger, and it is closely and more more firm that inner conical surface and male cone (strobilus masculinus) are fitted; Insert in the process of Inner taper hole at the male cone (strobilus masculinus) of pillar, the front end of male cone (strobilus masculinus) enter into the position of locking head and acute angle bevel on oblique promotion locking head time, the front end oblique promotion locking head of male cone (strobilus masculinus) compresses thrust spring and outwards makes a concession, and the front end of male cone (strobilus masculinus) passes through the position of locking head; When the male cone (strobilus masculinus) of pillar contacts firm with the inner conical surface of the Inner taper hole of rotation seat, annular lock groove on male cone (strobilus masculinus) is right through the position of locking head, locking head enters in annular lock groove under the powered of thrust spring, the facing directly of locking head to face directly with the annular of annular lock groove coordinate the inner conical surface of fitting and male cone (strobilus masculinus) locked, male cone (strobilus masculinus) can not be retreated, complete the fixing and locking of supporter and rotation seat.B, move the upper end of supporter of inserting rotation seat and make pillar perpendicular to horizontal plane, the lock bolt rotated again on key seat compresses rotation seat, make rotation seat can not rotate untie-sell rotate, then make all supporters on rotation seat all keep perpendicular to horizontal plane, and the angle allowing bearing and rotation seat be formed remain unchanged after being completely fixed.One end of male cone (strobilus masculinus) is again had by an other supporter to insert in the Inner taper hole of connector in Inner taper hole in connector on C, supporter again on rotation seat, under the effect of self gravitation, the male cone (strobilus masculinus) of pillar and the inner conical surface of connector are naturally fitted and fix, and the gravity depressed from pillar is larger, it is closely and more more firm that inner conical surface and male cone (strobilus masculinus) are fitted; Insert in the process of Inner taper hole at the male cone (strobilus masculinus) of pillar, the front end of male cone (strobilus masculinus) enter into the position of locking head and acute angle bevel on oblique promotion locking head time, the front end oblique promotion locking head of male cone (strobilus masculinus) compresses thrust spring and outwards makes a concession, and the front end of male cone (strobilus masculinus) passes through the position of locking head; When the male cone (strobilus masculinus) of pillar contacts firm with the inner conical surface of the Inner taper hole of connector, annular lock groove on male cone (strobilus masculinus) is right through the position of locking head, locking head enters in annular lock groove under the powered of thrust spring, the facing directly of locking head to face directly with the annular of annular lock groove coordinate the inner conical surface of fitting and male cone (strobilus masculinus) locked, male cone (strobilus masculinus) can not be retreated.When the supporter composition high voltage line maintenance of D, employing multilayer is terraced, repeat the male cone (strobilus masculinus) again inserting pillar in the Inner taper hole of supporter upper end of step C, afterwards, the male cone (strobilus masculinus) of another root supporter can insert in the Inner taper hole of a supporter below by Using such method again, completes being connected and fixed and locking between supporter and supporter.The assembling of supporter and rotation seat and supporter and supporter is very convenient, just can complete without any need for instrument.

The method for dismounting of high voltage line maintenance ladder: during the supporter of dismountable, pull the pin handle of self-lock pin, after the locking head of self-lock pin front end exits the annular lock groove on male cone (strobilus masculinus), supporter upwards one is drawn or one lifts and automatically will separate with the Inner taper hole in the connector of a supporter below, and the male cone (strobilus masculinus) of supporter will separate automatically with the Inner taper hole of the connector of the supporter of below.During the supporter that dismounting rotation seat is fixed, pull the pin handle of self-lock pin, after the locking head of self-lock pin front end exits the annular lock groove on male cone (strobilus masculinus), supporter upwards one is drawn or one lifts and automatically will separate with the Inner taper hole of rotation seat, and supporter will separate automatically with rotation seat.The dismounting of supporter and rotation seat and supporter and supporter 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 closely to need to prune or when line joint needs to overhaul and first the bearing fitted together, key seat, rotational pin and rotation seat are placed on the ground, after rotation seat is plugged first supporter, the upper end of moving the supporter inserting rotation seat makes pillar perpendicular to horizontal plane, screw lock bolt again and compress rotation seat, make rotation seat can not rotate untie-sell rotate, then make all pillars on rotation seat all keep perpendicular to horizontal plane; Again needing the supporter of height to take with oneself, pin steps down in riding on supporter and climbs up, one section of assembling one length of tape can be climbed and have foot-operated supporter, when climbing to the top of ladder in the process of cat ladder, climb up again after inserting a supporter in superincumbent Inner taper hole again.During descending stair, pin is down climbed on stepping down in and riding, and next section tears a supporter open, very convenient.

The manufacture method of described high voltage line maintenance ladder, is characterized in that:

During fabrication, bearing, key seat, rotation seat and supporter adopt the aluminium alloys of light weight or the plastics manufacture of titanium alloy or carbon alloy or glass-reinforced plastic material or high strength, create hollow body or solid; Self-lock pin adopts the plastics manufacture of metal material or glass-reinforced plastic material or high strength.

Described bearing creates dish type or bar shaped cross-like, the middle part of dish type or or bar shaped cross-like middle part on be fixed with key seat, the middle part of dish type or or bar shaped cross-like pars intermedia below fixing or be stained with skid-proof rubber.

Described key seat creates the supporter supporting and install rotational pin, and supporter manufactures pin-and-hole and locking screw.

Described locking screw is manufactured near the pin-and-hole on key seat, is equipped with lock bolt in locking screw.

Described lock bolt creates screw, can rotate in locking screw.

Described bearing and key seat manufacture as a whole, or the formation entirety that is fixed together after separately manufacturing.

Rotational pin creates pivot pin or bolt, is fixed on key seat and is connected with rotation seat.

Described rotation seat creates Connection Block, lower part manufacture has horizontal pin-and-hole, the upper end of upper part manufactures Inner taper hole, internal taper hole creates the hole of tapering, below Inner taper hole or the inside manufacture have air gap groove, Inner taper hole and air gap groove directly through, between the surface of rotation seat upper part and Inner taper hole, manufacture self-locking hole; The center line of described pin-and-hole is with the central axis of Inner taper hole or close to vertical; Being connected with key seat below by rotational pin of rotation seat, being connected with supporter by Inner taper hole and locking bar above and fixing.

Described bearing, key seat, rotational pin and rotation seat are assembled into an independent entirety, are beneficial to rapid-assembling high voltage line maintenance ladder.

Described supporter creates cylinder, creates pillar and connector two parts, and pillar and connector two parts manufacture as a whole or are fixed together into as a whole after manufacturing respectively; Be fixedly connected with can be close to the foot-operated of the cylinder of pillar to the gathering of connector direction in the damaged surface pin of supporter, have male cone (strobilus masculinus) in the post ends manufacture of supporter, the ring surface of male cone (strobilus masculinus) manufactures the annular lock groove having depression; Manufacture in the end of the connection head end of supporter and have Inner taper hole, Inner taper hole creates the hole of tapering, and manufacturing below Inner taper hole has air gap groove, between the surface of connector and Inner taper hole, manufacture self-locking hole.Described annular lock groove creates the dovetail groove of annular, and the annular locking limit of annular lock groove creates the facing directly of annular, central axis with supporter, corresponding with the position of self-locking hole.

Self-lock pin creates locking head, middle part and pin handle three part, three parts create one, self-lock pin is arranged in self-locking hole through after thrust spring, locking head to put in after laterally entering Inner taper hole in the annular lock groove on male cone (strobilus masculinus) again and coordinates with annular lock groove, and pin shank portion crosses out the damaged surface of pillar; The leading section of described locking head create sharp acute angle bevel with face directly composition shape, to create towards the one side of air gap groove and face directly.

Described foot-operatedly create hanger, connecting pin and riding boogie board three part, hanger creates the pedestal be fixed on Body of pillar, connecting pin creates the pin connecting hanger and riding boogie board, riding boogie board creates the square or flat cylinder or blocks stepped on for pin, is stained with skid-proof rubber or has antiskid glue sleeve in the upper surface cover of riding boogie board on riding boogie board.

Described self-locking hole is manufactured between the surface on rotation seat top and Inner taper hole with in the connector surface being manufactured on supporter and Inner taper hole, create independent hole, the mid portion of self-locking hole and wear out abutment surface for install the aperture that manufactures with the housing parts of the mating shapes of self-locking hole greatly, the aperture that manufactures for the locking head extension of self-lock pin, the one end, the inside in hole is little, communicate with self-locking hole, corresponding with the position of the annular lock groove on male cone (strobilus masculinus).Can also be inlaid with the housing with the mating shapes of self-locking hole in the self-locking hole manufactured separately, housing exposes or does not expose the damaged surface of pillar in self-locking hole; When housing exposes the damaged surface of pillar, the one end of exposing the damaged surface of pillar connects with screw or rivets or be welded on the damaged surface of pillar; When housing does not expose the damaged surface of pillar, connect with screw or rivet or weld or be fixed in self-locking hole with jump ring; The inside and outside two ends of described housing manufacture porose, self-lock pin, thrust spring, thrust disc are installed in housing, thrust disc is arranged on the middle part of self-lock pin, thrust spring is arranged between thrust disc and housing, stretches out, locking head stretches out from the hole of the inner face of housing after the pin handle of self-lock pin passes from the centre of thrust spring from the hole of housing outer face.

Thrust disc creates middle porose card, is fixed on self-lock pin.

Thrust disc creates solid or hollow card, or creates a projection on self-lock pin; When described chuck creates solid or hollow card, be fixed on the mid portion of self-lock pin; Chuck is for bearing the thrust of promotion spring and passing to self-lock pin.

Thrust spring creates helical spring.

Thrust disc is fixed on the middle part of self-lock pin, the pin handle of self-lock pin from the surface on the surface or connector of stretching out rotation seat after the central part of thrust spring passes, locking head stretches out from the inner conical surface of Inner taper hole, one end of thrust spring is pressed on thrust disc, the other end withstands on self-locking hole or withstand on the jump ring that is fixed in self-locking hole.

Annular lock groove causes the trapezoidal annular groove lower than male cone (strobilus masculinus), the male cone (strobilus masculinus) being manufactured on supporter lower end coordinates with self-lock pin and completes self-locking, corresponding with the position of self-locking hole, and the one side near strut ends causes locking face.

The connection of supporter and rotation seat and supporter and supporter and fixingly all adopt cone match, the conical surface creates inner conical surface and male cone (strobilus masculinus), and inner conical surface and male cone (strobilus masculinus) create the taper surface of point; The cross section of the conical surface creates the polygonal conical surface, or creates the conical surface of circle or circular arc.

The consistent tapering that tapering and the tapering that male cone (strobilus masculinus) coordinates of Inner taper hole create.

Described bearing is fixed with key seat, rotational pin connects key seat and rotation seat, the Inner taper hole of described rotation seat coordinates with the male cone (strobilus masculinus) of the lower end of supporter and fixes, the male cone (strobilus masculinus) of supporter coordinates with the inner conical surface of the Inner taper hole of a supporter below and fixes, and Inner taper hole is coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with self-lock pin by the annular lock groove on male cone (strobilus masculinus) after coordinating with male cone (strobilus masculinus) and fixing.Be fixed with the foot-operated of the folding that can draw in one end of the connector of supporter in the damaged surface of supporter, be stained with skid-proof rubber in the bottom of bearing.Supporter connector surface and Inner taper hole between and between the surface of rotation seat and Inner taper hole, manufacture self-locking hole, thrust disc, thrust spring and self-lock pin are installed in self-locking hole, the middle part of self-lock pin is fixed with thrust disc, the pin shank portion of self-lock pin from the surface of the protrusion circle stretched out after the central part of thrust spring passes the surface of connector or rotation seat, locking head stretches out from the inner conical surface of Inner taper hole, one end of thrust spring is pressed on the thrust disc of self-lock pin, the other end withstands on self-locking hole.

The structure of high voltage line maintenance ladder of the present invention is simple, manufacture, assemble and use very convenient, be easy to carry, instrument is not needed in assembly and disassembly process during use, solve the difficult problem that high-tension line maintenance personal uprightly climbs and stands, during climbing, the speed of assembling ladder is fast, safe and reliable, climbing is convenient; After using, dismounting, packaging and convenient transportation.

Accompanying drawing explanation

Fig. 1 is the package assembly schematic diagram of high voltage line maintenance ladder.

Fig. 2 is the structural representation of supporter.

Fig. 3 is the sectional structure schematic diagram of rotation seat.

Fig. 4 is the schematic appearance that bearing and key seat combine.

Fig. 5 is the schematic appearance that bearing and key seat and rotation seat combine.

Shown in figure: rotation seat 1, pillar 2, connector 3, air gap groove 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, foot-operated 13, pin-and-hole 14, rotational pin 15, bearing 16, key seat 17, lock bolt 18.

Detailed description of the invention

High voltage line maintenance ladder of the present invention mainly comprises bearing 16, key seat 17, lock bolt 18, rotational pin 15, rotation seat 1, supporter, male cone (strobilus masculinus) 10, Inner taper hole 12, inner conical surface 11, self-locking device;

Described high voltage line maintenance ladder is the ladder of single column support type, and the pedestal of carrying ladder is bearing 16, and the cradle head of ladder is key seat 17 and the rotation seat 1 of rotational pin 15 connection, and the cylinder supporting ladder is Body of pillar, has foot-operated 13 in the both sides of Body of pillar.

Described bearing 16 is fixed with key seat 17, key seat 17 there are pin-and-hole 14 and locking screw, rotational pin 15 links together key seat 17 and rotation seat 1 through the pin-and-hole 14 of the pin-and-hole 14 on key seat 17 and rotation seat 1 bottom, and lock bolt 18 exceedes the lock bolt 18 of locking screw screw end after screwing in the locking screw on key seat 17 is pressed in the lower part locking rotation seat 1 of rotation seat 1 and the fit angle of bearing 16; Inner taper hole 12 and self-locking hole 5 is had above described rotation seat 1, below Inner taper hole 12 or the inside have air gap groove 4, rotation seat 1 is coordinated with the male cone (strobilus masculinus) 10 of supporter lower end by Inner taper hole 12 and fixes, and is coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post by the locking head of the annular lock groove 9 on male cone (strobilus masculinus) 10 with the self-lock pin 6 through inner conical surface 11 being arranged on rotation seat 1 upper part; Inner taper hole 12 and self-locking hole 5 is had in connector 3 end of supporter upper end, there is air gap groove 4 below Inner taper hole 12 or the inside, the male cone (strobilus masculinus) 10 of supporter lower end inserts in the Inner taper hole 12 in the connector 3 of a supporter below, coordinated with the male cone (strobilus masculinus) 10 of supporter lower end 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 by the locking head of the annular lock groove 9 on male cone (strobilus masculinus) 10 with the self-lock pin 6 be arranged on through inner conical surface 11 in connector 3; Be fixed with foot-operated 13 of the folding that can draw in one end of the connector 3 of supporter in the damaged surface of supporter, on foot-operated 13, cover has or is stained with skid-proof rubber.

Described supporter has the lower end of male cone (strobilus masculinus) 10 to insert in the Inner taper hole 12 in the middle part of rotation seat 1, or, supporter has the lower end of male cone (strobilus masculinus) 10 to insert in the Inner taper hole 12 in the connector 3 of a supporter upper end below, male cone (strobilus masculinus) 10 there is annular lock groove 9 coordinate with the locking head of self-lock pin 6, then lock coordinating of inner conical surface 11 and male cone (strobilus masculinus) 10.

Described Inner taper hole 12 is the holes having tapering, has inner conical surface 11 in Inner taper hole 12.Inner taper hole 12 on described rotation seat 1 coordinates with the male cone (strobilus masculinus) 10 of the lower end of pillar 2 and fixes, and the Inner taper hole 12 on connector 3 coordinates with the male cone (strobilus masculinus) 10 of the lower end of another root pillar 2 and fixes; 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 the locking head of self-lock pin 6 by the annular lock groove 9 on male cone (strobilus masculinus) 10 after coordinating with male cone (strobilus masculinus) 10 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 self-locking hole 5, self-lock pin 6, thrust spring 8, thrust disc 7, annular lock groove 9, and described self-locking hole 5, on the upper part and connector 3 of rotation seat 1, 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 the middle part that the large part of the middle aperture of self-locking hole 5 is enclosed within self-lock pin 6, on the wall of the part that the middle aperture that one end withstands on thrust disc 7, the other end withstands on self-locking hole 5 is large or withstand on the jump ring of the little part in the aperture of self-locking hole 5 of one end of the pin handle being fixed on self-lock pin 6; 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 rotation seat 1 and the lateral surfaces of rotation 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 male cone (strobilus masculinus) 10 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 bearing 16 is disking bodies or is in strip interconnection shape, disking body or be in strip interconnection shape middle part be above fixed with key seat 17, at disking body or be in strip below interconnection shape and be stained with skid-proof rubber; Described bearing 16 is for fixing key seat 17, steady brace 2 and supporting strut 2 and bear all wt that key seat 17 bears, and prevents the lower end of supporter to be absorbed in earth; Described skid-proof rubber is fixed on disking body or is in strip below interconnection shape, prevents bearing 16 from sliding on the ground with ground resulting in friction.

Described key seat 17 supports and installs the supporter of rotational pin 15, supporter has pin-and-hole 14 and locking screw, and pin-and-hole 14 is for installing and fixing rotational pin 15 bear all wt that rotational pin 15 bears.

Near the pin-and-hole 14 of described locking screw on key seat 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 rotation seat 1 of rotation seat 1 and the fit angle of bearing 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 rotation seat 1.

Described rotational pin 15 is pivot pin or bolt, for connecting key seat 17 and rotation seat 1 and bearing all wt that rotation seat 1 bears.

Described rotation seat 1 is Connection Block, lower part has horizontal pin-and-hole 14, there is Inner taper hole 12 upper end of upper part, between the surface and Inner taper hole 12 of rotation seat 1 upper part, have self-locking hole 5, below Inner taper hole 12 or the inside has air gap groove 4, Inner taper hole 12 and air gap groove 4 directly through; The center line of described pin-and-hole 14 is with the central axis of Inner taper hole 12 or close to vertical; Being connected with key seat 17 below by rotational pin 15 of rotation seat 1, be connected with pillar 2 by Inner taper hole 12 above; The all wt that described rotation seat 1 bears for steady brace 2 and supporting strut 2 and pillar 2.

Described supporter is the cylinder that there is male cone (strobilus masculinus) 10 one end, the other end has Inner taper hole 12, comprises connector 3 and pillar 2 two parts, is fixed with foot-operated 13 of the folding that can draw in one end of the connector 3 of supporter in the damaged surface of supporter; Described supporter to be connector 3 with pillar 2 the be fixed together entirety formed or the entirety be inherently connected; Pillar 2 does not have one end of male cone (strobilus masculinus) 10 and connector 3 not to have one end of Inner taper hole 12 to be connected or is fixed together to form entirety.The end face of one end of described connector 3 has the inside of Inner taper hole 12, Inner taper hole 12 to have air gap groove 4, has self-locking hole 5 between the surface of connector 3 and Inner taper hole 12.Annular lock groove 9 is had at the mid portion of the male cone (strobilus masculinus) 10 of pillar 2, described annular lock groove 9 is dovetail grooves of annular, the annular locking limit of annular lock groove 9 is the facing directly of annular, central axis with supporter, corresponding with the position of self-locking hole 5, for coordinating with facing directly of locking head and produce locking effect, then the locked inner conical surface 11 that posts and male cone (strobilus masculinus) 10, and then make connector 3 and supporter and rotation seat 1 and supporter fixation.

Described air gap groove 4 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 pillar 2, is convenient to the close fit of inner conical surface 11 and male cone (strobilus masculinus) 10.

Described foot-operated 13 comprise hanger, connecting pin and riding boogie board, hanger is the connector having pin-and-hole be fixed on Body of pillar, connecting pin is the pin connecting hanger and riding boogie board, riding boogie board is cylinder or blocks, on riding boogie board, be stained with skid-proof rubber or have antiskid glue sleeve in the upper surface cover of riding boogie board, the skid-proof rubber on foot-operated plays and prevents from riding up anti-skidding effect.

Described self-locking hole 5 is independent cavitys, on rotation seat 1 and in one end of the connector 3 of pillar 2, mid portion and wear out that the aperture on pillar 2 surface is large, aperture that the one end, the inside in hole is stretched out for the locking head of self-lock pin 6 is little, communicate with self-locking hole 5, corresponding with the position of the annular lock groove 9 on male cone (strobilus masculinus) 10, the large part of the median pore radius of self-locking hole 5 is for installing the housing with the mating shapes of self-locking hole 5; In self-locking hole 5, be inlaid with the housing with the mating shapes of self-locking hole 5, housing exposes or does not expose the damaged surface of pillar 2 in self-locking hole 5; When housing exposes the damaged surface of pillar 2, the one end of exposing the damaged surface of pillar 2 connects with screw or rivets or be welded on the damaged surface of pillar 2; When housing does not expose the damaged surface of pillar 2, connect with screw or rivet or weld or be fixed in self-locking hole 5 with jump ring; The inside and outside two ends of described housing manufacture porose, self-lock pin 6, thrust spring 8, thrust disc 7 are installed in housing, thrust disc 7 is arranged on the middle part of self-lock pin 6, thrust spring 8 is arranged between thrust disc 7 and housing, stretches out, locking head stretches out from the hole of the inner face of housing after the pin handle of self-lock pin 6 passes from the centre of thrust spring 8 from the hole of housing outer face.Described housing for installing self-lock pin 6 and thrust spring 8, and self-lock pin 6 can be moved in housing.

Described self-lock pin 6 is that comprise locking head, middle part and pin handle three part, three parts are connected with the bar of pin handle and locking head or rod or block; The middle part of self-lock pin 6 in the self-locking hole 5 of the large mid portion in the aperture of self-locking hole 5 through after thrust spring 8, locking head to put in after laterally entering Inner taper hole 12 in the annular lock groove 9 on male cone (strobilus masculinus) 10 again and coordinates with annular lock groove 9, and pin shank portion crosses out connector 3 surface of supporter or crosses out the surface of upper part of rotation seat 1; The leading section of described locking head be acute angle bevel with face directly the shape of composition, towards the one side of the small end of Inner taper hole 12 be face directly, acute angle bevel retreats for allowing the end of male cone (strobilus masculinus) 10 end of pillar 2 and male cone (strobilus masculinus) 10 oblique promotion locking head, faces directly for coordinating locked male cone (strobilus masculinus) 10 of working good and inner conical surface 11 with the annular groove limit of facing directly of annular lock groove 9.

Described thrust disc 7 is the porose cards in the solid or hollow centre be fixed on self-lock pin 6, or a projection on self-lock pin 6; When described chuck is solid or hollow card, be fixed on the mid portion of self-lock pin 6; Thrust disc 7 is for bearing the thrust of promotion spring and passing to self-lock pin 6.

Described thrust spring 8 is helical springs, completes automatic locking for promoting the locking head of self-lock pin 6 to coordinate with the annular lock groove 9 on male cone (strobilus masculinus) 10.

Described annular lock groove 9 is the trapezoidal annular grooves lower than male cone (strobilus masculinus) 10, the male cone (strobilus masculinus) 10 of supporter lower end coordinates with self-lock pin 6 and completes self-locking, corresponding with the position of self-locking hole 5, and the one side near pillar 2 end is locking face; Described locking face is used for coordinating with facing directly of the brake head of self-lock pin 6 and producing locking effect; The angle considering to insert is not needed when described annular lock groove 9 is for allowing the locking head of self-lock pin 6 insert annular lock groove 9, coordinate with self-lock pin 6 and the locked inner conical surface 11 that posts and male cone (strobilus masculinus) 10, so make supporter and supporter fixation and rotation seat 1 with supporter fixation.

The inner conical surface 11 of described Inner taper hole 12 installs supporter for coordinating with male cone (strobilus masculinus) 10, realize rotation seat 1 to fix with supporter and the quick of supporter with supporter is fixing fast, be beneficial to the quick assembling of supporter and quick demolition, play Fast Installation and effect fixing fast; And then make supporter and connector 3 and supporter and rotation seat 1 fixation respectively.

In order to increase connectivity robustness and the stability of ladder, improving the speed of installation and demolition, described supporter and the connection between rotation seat 1 and supporter and fixingly all adopt cone match, being beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) 10 of supporter, in the Inner taper hole 12 of rotation seat 1, is coordinated with self-lock pin 6 by the annular lock groove 9 on male cone (strobilus masculinus) 10 and pins and lock the male cone (strobilus masculinus) 10 of pillar 2 with coordinating of the inner conical surface 11 of rotation seat 1 and do not loosen; The male cone (strobilus masculinus) 10 of supporter, in the Inner taper hole 12 of connector 3, is coordinated with self-lock pin 6 by the annular lock groove 9 on male cone (strobilus masculinus) 10 and pins and not the loosening coordinating of inner conical surface 11 of the male cone (strobilus masculinus) 10 and connector 3 of locking pillar 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 supporter self gravitation and realize automatic fastening; During demolition, 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, supporter upwards one is lifted male cone (strobilus masculinus) 10 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; The described conical surface is the face of the square taper of nose part, or goes conical of nose part.

In order to can tilt ground on supported body, when bearing 16 is arranged on smooth ground, the central axis of rotation seat 1, in bearing 16, ensure that the supporter be arranged on rotation seat 1 is vertical or near perpendicular to horizontal plane; When bearing 16 is arranged on the ground of inclination, certain angle is rotated in rotation seat 1 untie-sell 15 that can rotate on bearing 16, ensure that the supporter be arranged on rotation seat 1 is vertical or near perpendicular to horizontal plane.

Rotational pin 15 is adopted to be fastened on key seat 17 on bearing 16 and rotation seat 1, make rotation seat 1 untie-sell 15 that can rotate on bearing 16 rotate certain angle, reach when bearing 16 is arranged on the ground of inclination and ensure that the supporter be arranged on rotation seat 1 keeps the object perpendicular to horizontal plane.

In order to make the assembling of high voltage line maintenance ladder quick, bearing 16, key seat 17, rotational pin 15 and rotation seat 1 are the parts of entirety or the dispersion fitted together.

In order to can the locking inner conical surface 11 of working good and male cone (strobilus masculinus) 10 not loosen, described self-locking hole 5, self-lock pin 6, thrust disc 7, thrust spring 8 and annular lock groove 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 ladder, described rotation seat 1 and supporter are hollow bodies; Described supporter is individual layer or multilayer in the combination of ladder, and rotation seat 1 is individual layer in the combination of ladder.

In order to ensure that supporter is all the time perpendicular to horizontal plane, adopt lock bolt 18 to produce frictional force by rotation forces rotation seat 1 and key seat 17 and fix rotation seat 1 and the angle angle of bearing 16, when bearing 16 is arranged on the ground of inclination, ensure that the supporter be arranged on rotation seat 1 remains perpendicular to horizontal plane.

In order in use can Rapid Combination and facilitate pin to step on, described supporter be combined into global facility with foot-operated 13, can assembly fast when being beneficial to use; Described foot-operated 13 fixing employing pin on supporter are connected and fixed, and foot-operated 13 one end be merely able on supporter to connector 3 are drawn, downward landing when pin is stepped down on foot-operated 13.

The assemble method of high voltage line maintenance ladder: during assembling, A, place the bearing 16, key seat 17, rotational pin 15 and the rotation seat 1 that fit together on the ground, bearing 16 on ground, rotation seat 1 is above, again the lower end of the pillar 2 having male cone (strobilus masculinus) 10 is inserted in the Inner taper hole 12 of rotation seat 1, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of pillar 2 is naturally fitted with the inner conical surface 11 of rotation seat 1 and fixes, and the gravity depressed from pillar 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 pillar 2, the front end of male cone (strobilus masculinus) 10 enter into the position of locking head and acute angle bevel on oblique promotion locking head time, the front end oblique promotion locking head of male cone (strobilus masculinus) 10 compresses thrust spring 8 and outwards makes a concession, and the front end of male cone (strobilus masculinus) 10 passes through the position of locking head; When the male cone (strobilus masculinus) 10 of pillar 2 contacts firm with the inner conical surface 11 of the Inner taper hole 12 of rotation seat 1, annular lock groove 9 on male cone (strobilus masculinus) 10 is right through the position of locking head, locking head enters in annular lock groove 9 under the powered of thrust spring 8, the facing directly of locking head to face directly with the annular of annular lock groove 9 coordinate the inner conical surface 11 of fitting and male cone (strobilus masculinus) 10 locked, male cone (strobilus masculinus) 10 can not be retreated, complete the fixing and locking of supporter and rotation seat 1.B, move the upper end of supporter of inserting rotation seat 1 and make pillar 2 perpendicular to horizontal plane, lock bolt 18 again on rotational pin 15 compresses rotation seat 1, rotation seat 1 untie-sell 15 that can not rotate is rotated, then make all supporters on rotation seat 1 all keep perpendicular to horizontal plane, and the angle allowing bearing 16 and rotation seat 1 be formed remain unchanged after being completely fixed.One end of male cone (strobilus masculinus) 10 is again had by an other supporter to insert in the Inner taper hole 12 of connector 3 in Inner taper hole 12 in connector 3 on C, supporter again on rotation seat 1, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of pillar 2 is naturally fitted with the inner conical surface 11 of connector 3 and fixes, and the gravity depressed from pillar 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 pillar 2, the front end of male cone (strobilus masculinus) 10 enter into the position of locking head and acute angle bevel on oblique promotion locking head time, the front end oblique promotion locking head of male cone (strobilus masculinus) 10 compresses thrust spring 8 and outwards makes a concession, and the front end of male cone (strobilus masculinus) 10 passes through the position of locking head; When the male cone (strobilus masculinus) 10 of pillar 2 contacts firm with the inner conical surface 11 of the Inner taper hole 12 of connector 3, annular lock groove 9 on male cone (strobilus masculinus) 10 is right through the position of locking head, locking head enters in annular lock groove 9 under the powered of thrust spring 8, the facing directly of locking head to face directly with the annular of annular lock groove 9 coordinate the inner conical surface 11 of fitting and male cone (strobilus masculinus) 10 locked, male cone (strobilus masculinus) 10 can not be retreated.When the supporter composition high voltage line maintenance of D, employing multilayer is terraced, repeat the male cone (strobilus masculinus) 10 again inserting pillar 2 in the Inner taper hole 12 of supporter upper end of step C, afterwards, the male cone (strobilus masculinus) 10 of another root supporter can insert in the Inner taper hole 12 of a supporter below by Using such method again, completes being connected and fixed and locking between supporter and supporter.The assembling of supporter and rotation seat 1 and supporter and supporter is very convenient, just can complete without any need for instrument.

The method for dismounting of high voltage line maintenance ladder: during the supporter of dismountable, 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, supporter upwards one is drawn or one lifts and automatically will separate with the Inner taper hole 12 in the connector 3 of a supporter below, and the male cone (strobilus masculinus) 10 of supporter will separate automatically with the Inner taper hole 12 of the connector 3 of the supporter of below.During the supporter that dismounting rotation 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, supporter upwards one is drawn or one lifts and automatically will separate with the Inner taper hole 12 of rotation seat 1, and supporter will separate automatically with rotation seat 1.The dismounting of supporter and rotation seat 1 and supporter and supporter 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 closely to need to prune or when line joint needs to overhaul and first the bearing 16 fitted together, key seat 17, rotational pin 15 and rotation seat 1 are placed on the ground, after rotation seat 1 is plugged first supporter, the upper end of moving the supporter inserting rotation seat 1 makes pillar 2 perpendicular to horizontal plane, screw lock bolt 18 again and compress rotation seat 1, rotation seat 1 untie-sell 15 that can not rotate is rotated, then makes all pillars 2 on rotation seat 1 all keep perpendicular to horizontal plane; Again needing the supporter of height to take with oneself, pin steps down on foot-operated 13 on supporter and climbs up, the supporter that one section of assembling one length of tape has foot-operated 13 can be climbed, when climbing to the top of ladder in the process of cat ladder, climb up again after inserting a supporter in superincumbent Inner taper hole 12 again.During descending stair, pin steps down on foot-operated 13 and down climbs, and next section tears a supporter open, very convenient.

Claims

1. a high voltage line maintenance ladder, is characterized in that: described high voltage line maintenance ladder comprises bearing (16), key seat (17), lock bolt (18), rotational pin (15), rotation seat (1), supporter, male cone (strobilus masculinus) (10), Inner taper hole (12), inner conical surface (11), self-locking device;

Described high voltage line maintenance ladder is the ladder of single column support type, the pedestal of carrying ladder is bearing (16), the cradle head of ladder is the key seat (17) that connects of rotational pin (15) and rotation seat (1), the cylinder supporting ladder is Body of pillar, has foot-operated (13) in the both sides of Body of pillar;

Described bearing (16) is fixed with key seat (17), key seat (17) there are pin-and-hole (14) and locking screw, rotational pin (15) links together key seat (17) and rotation seat (1) through the pin-and-hole (14) of the pin-and-hole (14) on key seat (17) and rotation seat (1) bottom, lock bolt (18) exceedes the lock bolt (18) of locking screw screw end after screwing in the locking screw on key seat (17) is pressed in lower part locking rotation seat (1) of rotation seat (1) and the fit angle of bearing (16), Inner taper hole (12) and self-locking hole (5) is had above described rotation seat (1), below Inner taper hole (12) or the inside have air gap groove (4), rotation seat (1) is coordinated by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of supporter lower end and fixes, and is coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post by the locking head of the annular lock groove (9) on male cone (strobilus masculinus) (10) with the self-lock pin (6) through inner conical surface (11) being arranged on rotation seat (1) upper part, Inner taper hole (12) and self-locking hole (5) is had in connector (3) end in supporter upper end, there is air gap groove (4) below Inner taper hole (12) or the inside, the male cone (strobilus masculinus) (10) of supporter lower end inserts in the Inner taper hole (12) in the connector (3) of a supporter below, coordinate by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of supporter lower end and fix, and coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post by the locking head of the annular lock groove (9) on male cone (strobilus masculinus) (10) with the self-lock pin (6) be arranged on through inner conical surface (11) in connector (3), be fixed with in the damaged surface of supporter foot-operated (13) of the folding that can draw in one end of the connector of supporter (3), foot-operated (13) upper cover has or is stained with skid-proof rubber,

Described supporter has the lower end of male cone (strobilus masculinus) (10) to insert in the Inner taper hole (12) at rotation seat (1) middle part, or, supporter has the lower end of male cone (strobilus masculinus) (10) to insert in the Inner taper hole (12) in the connector (3) of a supporter upper end below, male cone (strobilus masculinus) (10) there is annular lock groove (9) coordinate with the locking head of self-lock pin (6), then lock coordinating of inner conical surface (11) and male cone (strobilus masculinus) (10);

Described Inner taper hole (12) is the hole having tapering, has inner conical surface (11) in Inner taper hole (12); Inner taper hole (12) on described rotation seat (1) coordinates with the male cone (strobilus masculinus) (10) of the lower end of pillar (2) and fixes, and the Inner taper hole (12) on connector (3) coordinates with the male cone (strobilus masculinus) (10) of the lower end of another root pillar (2) and fixes; 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 the locking head of self-lock pin (6) by the annular lock groove (9) on male cone (strobilus masculinus) (10) after coordinating with male cone (strobilus masculinus) (10) 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 self-locking hole (5), self-lock pin (6), thrust spring (8), thrust disc (7), annular lock groove (9), described self-locking hole (5), on the upper part and connector (3) of rotation seat (1), 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 the middle part that the large part of the middle aperture of self-locking hole (5) is enclosed within self-lock pin (6), on the wall that one end withstands on the large part of thrust disc (7) is upper, the other end withstands on self-locking hole (5) middle aperture or withstand on the jump ring of the little part in the aperture of self-locking hole (5) of one end of the pin handle being fixed on self-lock pin (6); 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 rotation seat (1) and the lateral surfaces of rotation 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 male cone (strobilus masculinus) (10) 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 bearing (16) is disking body or is in strip interconnection shape, disking body or be in strip interconnection shape middle part be above fixed with key seat (17), at disking body or be in strip below interconnection shape and be stained with skid-proof rubber; Described bearing (16) is for fixing key seat (17), steady brace (2) and supporting strut (2) and bear all wt that key seat (17) bears, and prevents the lower end of supporter to be absorbed in earth; Described skid-proof rubber is fixed on disking body or is in strip below interconnection shape, prevents bearing (16) from sliding on the ground with ground resulting in friction;

Described key seat (17) is the supporter supporting and install rotational pin (15), supporter has pin-and-hole (14) and locking screw, pin-and-hole (14) is for installing and fixing rotational pin (15) bear all wt that rotational pin (15) bears;

Near the pin-and-hole (14) of described locking screw on key seat (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 rotation seat (1) of rotation seat (1) and the fit angle of bearing (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 rotation seat (1);

Described rotational pin (15) is pivot pin or bolt, for connecting key seat (17) and rotation seat (1) and bearing all wt that rotation seat (1) bears;

Described rotation seat (1) is Connection Block, lower part there is horizontal pin-and-hole (14), there is Inner taper hole (12) upper end of upper part, self-locking hole (5) is had between the surface of rotation seat (1) upper part and Inner taper hole (12), there is air gap groove (4) below Inner taper hole (12) or the inside, and Inner taper hole (12) is directly through with air gap groove (4); The center line of described pin-and-hole (14) is with the central axis of Inner taper hole (12) or close to vertical; Being connected with key seat (17) below by rotational pin (15) of rotation seat (1), be connected with pillar (2) by Inner taper hole (12) above; The all wt that described rotation seat (1) bears for steady brace (2) and supporting strut (2) and pillar (2);

Described supporter is the cylinder that there is male cone (strobilus masculinus) (10) one end, the other end has Inner taper hole (12), comprise connector (3) and pillar (2) two parts, be fixed with in the damaged surface of supporter foot-operated (13) of the folding that can draw in one end of the connector of supporter (3); Described supporter to be connector (3) with pillar (2) the be fixed together entirety formed or the entirety be inherently connected; Pillar (2) does not have one end of male cone (strobilus masculinus) (10) and connector (3) not to have one end of Inner taper hole (12) to be connected or be fixed together to form entirety; The end face of one end of described connector (3) has Inner taper hole (12), there is air gap groove (4) the inside of Inner taper hole (12), has self-locking hole (5) between the surface of connector (3) and Inner taper hole (12); Annular lock groove (9) is had at the mid portion of the male cone (strobilus masculinus) (10) of pillar (2), described annular lock groove (9) is the dovetail groove of annular, the annular locking limit of annular lock groove (9) is the facing directly of annular, central axis with supporter, corresponding with the position of self-locking hole (5), for coordinating with facing directly of locking head and produce locking effect, then the locked inner conical surface (11) that posts and male cone (strobilus masculinus) (10), and then make connector (3) and supporter and rotation seat (1) and supporter fixation;

Described air gap groove (4) 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 pillar (2), be convenient to the close fit of inner conical surface (11) and male cone (strobilus masculinus) (10);

Described foot-operated (13) comprise hanger, connecting pin and riding boogie board, hanger is the connector having pin-and-hole be fixed on Body of pillar, connecting pin is the pin connecting hanger and riding boogie board, riding boogie board is cylinder or blocks, on riding boogie board, be stained with skid-proof rubber or have antiskid glue sleeve in the upper surface cover of riding boogie board, the skid-proof rubber on foot-operated plays and prevents from riding up anti-skidding effect;

Described self-locking hole (5) is independent cavity, on rotation seat (1) and in one end of the connector (3) of pillar (2), the aperture that the locking head that mid portion and the one end, the inside that is large, hole, aperture of wearing out pillar (2) surface are used for self-lock pin (6) stretches out is little, communicate with self-locking hole (5), corresponding with the position of the annular lock groove (9) on male cone (strobilus masculinus) (10), the part that the median pore radius of self-locking hole (5) is large is used for installing the housing with the mating shapes of self-locking hole (5); Can also be inlaid with the housing with the mating shapes of self-locking hole (5) in self-locking hole (5), housing exposes or does not expose the damaged surface of pillar (2) in self-locking hole (5); When housing exposes the damaged surface of pillar (2), the one end of exposing the damaged surface of pillar (2) connects with screw or rivets or be welded on the damaged surface of pillar (2); When housing does not expose the damaged surface of pillar (2), connect with screw or rivet or weld or be fixed in self-locking hole (5) with jump ring; The inside and outside two ends of described housing manufacture porose, self-lock pin (6), thrust spring (8), thrust disc (7) are installed in housing, thrust disc (7) is arranged on the middle part of self-lock pin (6), thrust spring (8) is arranged between thrust disc (7) and housing, stretches out, locking head stretches out from the hole of the inner face of housing after the pin handle of self-lock pin (6) passes from the centre of thrust spring (8) from the hole of housing outer face; Described housing for installing self-lock pin (6) and thrust spring (8), and self-lock pin (6) can be moved in housing;

Described self-lock pin (6) is that comprise locking head, middle part and pin handle three part, three parts are connected with the bar of pin handle and locking head or rod or block; The middle part of self-lock pin (6) in the self-locking hole (5) of the large mid portion in the aperture of self-locking hole (5) through after thrust spring (8), locking head to put in after laterally entering Inner taper hole (12) in the annular lock groove (9) on male cone (strobilus masculinus) (10) again and coordinates with annular lock groove (9), and it is surperficial or cross out the surface of upper part of rotation seat (1) that pin shank portion crosses out the connector (3) of supporter; The leading section of described locking head be acute angle bevel with face directly the shape of composition, towards the one side of the small end of Inner taper hole (12) be face directly, the end that acute angle bevel is used for allowing the male cone (strobilus masculinus) of pillar (2) (10) hold and male cone (strobilus masculinus) (10) oblique promotion locking head retreat, and face directly for coordinating locked male cone (strobilus masculinus) (10) of working good and inner conical surface (11) with the annular groove limit of facing directly of annular lock groove (9);

Described thrust disc (7) is the porose card in the solid or hollow centre be fixed on self-lock pin (6), or a projection on self-lock pin (6); When described chuck is solid or hollow card, be fixed on the mid portion of self-lock pin (6); Thrust disc (7) is for bearing the thrust of promotion spring and passing to self-lock pin (6);

Described thrust spring (8) is helical spring, completes automatic locking for promoting the locking head of self-lock pin (6) to coordinate with the annular lock groove (9) on male cone (strobilus masculinus) (10);

Described annular lock groove (9) is the trapezoidal annular groove lower than male cone (strobilus masculinus) (10), male cone (strobilus masculinus) (10) in supporter lower end is upper to be coordinated with self-lock pin (6) and completes self-locking, corresponding with the position of self-locking hole (5), the one side near pillar (2) end is locking face; Described locking face is used for coordinating with facing directly of the brake head of self-lock pin (6) and producing locking effect; The angle considering to insert is not needed when described annular lock groove (9) is for allowing the locking head of self-lock pin (6) insert annular lock groove (9), coordinate with self-lock pin (6) and the locked inner conical surface (11) that posts and male cone (strobilus masculinus) (10), so make supporter and supporter fixation and rotation seat (1) with supporter fixation;

The inner conical surface (11) of described Inner taper hole (12) installs supporter for coordinating with male cone (strobilus masculinus) (10), realize rotation seat (1) to fix with supporter and the quick of supporter with supporter is fixing fast, be beneficial to the quick assembling of supporter and quick demolition, play Fast Installation and effect fixing fast; And then make supporter and connector (3) and supporter and rotation seat (1) fixation respectively;

In order to increase connectivity robustness and the stability of ladder, improving the speed of installation and demolition, described supporter and the connection between rotation seat (1) and supporter and fix and all adopt cone match, being beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) (10) of supporter, in the Inner taper hole (12) of rotation seat (1), is coordinated with self-lock pin (6) by the annular lock groove (9) on male cone (strobilus masculinus) (10) and pins and not the loosening coordinating of inner conical surface (11) of the male cone (strobilus masculinus) (10) and rotation seat (1) of locking pillar (2); The male cone (strobilus masculinus) (10) of supporter, in the Inner taper hole (12) of connector (3), is coordinated with self-lock pin (6) by the annular lock groove (9) on male cone (strobilus masculinus) (10) and pins and not the loosening coordinating of inner conical surface (11) of the male cone (strobilus masculinus) (10) and connector (3) of locking pillar (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 supporter self gravitation and realize automatic fastening; During demolition, 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), supporter upwards one is lifted male cone (strobilus masculinus) (10) 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; The described conical surface is the face of the square taper of nose part, or goes conical of nose part;

In order to can tilt ground on supported body, when bearing (16) is arranged on smooth ground, the central axis of rotation seat (1), in bearing (16), ensure that the supporter be arranged on rotation seat (1) is vertical or near perpendicular to horizontal plane; When bearing (16) is arranged on the ground of inclination, certain angle is rotated in rotation seat (1) untie-sell (15) that can rotate on bearing (16), ensure that the supporter be arranged on rotation seat (1) is vertical or near perpendicular to horizontal plane;

Rotational pin (15) is adopted to be fastened on key seat (17) on bearing (16) and rotation seat (1), make rotation seat (1) untie-sell (15) that can rotate on bearing (16) rotate certain angle, reach when bearing (16) is arranged on the ground of inclination and ensure that the supporter be arranged on rotation seat (1) keeps the object perpendicular to horizontal plane;

In order to make the assembling of high voltage line maintenance ladder quick, bearing (16), key seat (17), rotational pin (15) and rotation seat (1) are the parts of entirety or the dispersion fitted together.

2. according to claim 1 high voltage line maintenance ladder, it is characterized in that: in order to can the locking inner conical surface (11) of working good and male cone (strobilus masculinus) (10) not loosen, the inner conical surface (11) that described self-locking hole (5), self-lock pin (6), thrust disc (7), thrust spring (8) and annular lock groove (9) composition locking system is locked works good and male cone (strobilus masculinus) (10);

In order to reduce costs and alleviate the weight of ladder, described rotation seat (1) and supporter are hollow bodies; Described supporter is individual layer or multilayer in the combination of ladder, and rotation seat (1) is individual layer in the combination of ladder.

3. according to claim 1 high voltage line maintenance ladder, it is characterized in that: in order to ensure that supporter is all the time perpendicular to horizontal plane, adopt lock bolt (18) to produce frictional force by rotation forces rotation seat (1) and key seat (17) and fix rotation seat (1) and the angle angle of bearing (16), when bearing (16) is arranged on the ground of inclination, ensure that the supporter be arranged on rotation seat (1) remains perpendicular to horizontal plane.

4. according to claim 1 high voltage line maintenance ladder, it is characterized in that: in order in use can Rapid Combination and facilitate pin to step on, described supporter is combined into global facility with foot-operated (13), can assembly fast when being beneficial to use; Described foot-operated (13) fixing employing pin on supporter is connected and fixed, foot-operated (13) are merely able to draw in one end of connector (3) on supporter, landing downwards when pin is stepped down on foot-operated (13).

5. the using method of a high voltage line maintenance ladder, it is characterized in that: the assemble method of high voltage line maintenance ladder: during assembling, A, place the bearing (16) fitted together on the ground, key seat (17), rotational pin (15) and rotation seat (1), bearing (16) is on ground, rotation seat (1) is above, again the lower end of the pillar (2) having male cone (strobilus masculinus) (10) is inserted in the Inner taper hole (12) of rotation seat (1), under the effect of self gravitation, the male cone (strobilus masculinus) (10) of pillar (2) and the inner conical surface (11) of rotation seat (1) are naturally fitted and fix, and it is larger from the gravity of pillar (2) pressure, it is closely and more more firm that inner conical surface (11) and male cone (strobilus masculinus) (10) are fitted, male cone (strobilus masculinus) (10) in pillar (2) inserts in the process of Inner taper hole (12), the front end of male cone (strobilus masculinus) (10) enter into the position of locking head and acute angle bevel on oblique promotion locking head time, the front end oblique promotion locking head of male cone (strobilus masculinus) (10) compresses thrust spring (8) and outwards makes a concession, and the front end of male cone (strobilus masculinus) (10) passes through the position of locking head, when the male cone (strobilus masculinus) (10) of pillar (2) contacts firm with the inner conical surface (11) of the Inner taper hole (12) of rotation seat (1), annular lock groove (9) on male cone (strobilus masculinus) (10) is right through the position of locking head, locking head enters in annular lock groove (9) under the powered of thrust spring (8), the facing directly of locking head to face directly with the annular of annular lock groove (9) coordinate the inner conical surface of fitting (11) and male cone (strobilus masculinus) (10) locked, male cone (strobilus masculinus) (10) can not be retreated, complete the fixing and locking of supporter and rotation seat (1), B, move the upper end of supporter of inserting rotation seat (1) and make pillar (2) perpendicular to horizontal plane, lock bolt (18) again on rotational pin (15) seat compresses rotation seat (1), make rotation seat (1) can not rotate untie-sell (15) rotate, then make all supporters on rotation seat (1) all keep perpendicular to horizontal plane, and the angle allowing bearing (16) and rotation seat (1) be formed remain unchanged after being completely fixed, one end of male cone (strobilus masculinus) (10) is again had by an other supporter to insert in the Inner taper hole (12) of connector (3) in Inner taper hole (12) in connector (3) on C, supporter again on rotation seat (1), under the effect of self gravitation, the male cone (strobilus masculinus) (10) of pillar (2) and the inner conical surface (11) of connector (3) are naturally fitted and fix, and larger from the gravity of pillar (2) pressure, it is closely and more more firm that inner conical surface (11) and male cone (strobilus masculinus) (10) are fitted, male cone (strobilus masculinus) (10) in pillar (2) inserts in the process of Inner taper hole (12), the front end of male cone (strobilus masculinus) (10) enter into the position of locking head and acute angle bevel on oblique promotion locking head time, the front end oblique promotion locking head of male cone (strobilus masculinus) (10) compresses thrust spring (8) and outwards makes a concession, and the front end of male cone (strobilus masculinus) (10) passes through the position of locking head, when the male cone (strobilus masculinus) (10) of pillar (2) contacts firm with the inner conical surface (11) of the Inner taper hole (12) of connector (3), annular lock groove (9) on male cone (strobilus masculinus) (10) is right through the position of locking head, locking head enters in annular lock groove (9) under the powered of thrust spring (8), the facing directly of locking head to face directly with the annular of annular lock groove (9) coordinate the inner conical surface of fitting (11) and male cone (strobilus masculinus) (10) locked, male cone (strobilus masculinus) (10) can not be retreated, when the supporter composition high voltage line maintenance of D, employing multilayer is terraced, repeat the male cone (strobilus masculinus) (10) again inserting pillar (2) in the Inner taper hole (12) of supporter upper end of step C, afterwards, the male cone (strobilus masculinus) (10) of another root supporter can insert in the Inner taper hole (12) of a supporter below by Using such method again, completes being connected and fixed and locking between supporter and supporter, the assembling of supporter and rotation seat (1) and supporter and supporter is very convenient, just can complete without any need for instrument,

The method for dismounting of high voltage line maintenance ladder: during the supporter of dismountable, 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), supporter upwards one is drawn or one lifts and automatically will separate with the Inner taper hole (12) in the connector (3) of a supporter below, and the male cone (strobilus masculinus) (10) of supporter will separate automatically with the Inner taper hole (12) of the connector of the supporter of below (3); When dismantling supporter fixing on rotation seat (1), 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), supporter upwards one is drawn or one lifts and automatically will separate with the Inner taper hole (12) of rotation seat (1), and supporter will separate automatically with rotation seat (1); The dismounting of supporter and rotation seat (1) and supporter and supporter 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 closely to need to prune or line joint needs maintenance time first the bearing fitted together (16), key seat (17), rotational pin (15) and rotation seat (1) are placed on the ground, after rotation seat (1) is plugged first supporter, the upper end of moving the supporter inserting rotation seat (1) makes pillar (2) perpendicular to horizontal plane, screw lock bolt (18) again and compress rotation seat (1), make rotation seat (1) can not rotate untie-sell (15) rotate, then all pillars (2) on rotation seat (1) are made all to keep perpendicular to horizontal plane, again needing the supporter of height to take with oneself, pin steps down on foot-operated (13) on supporter and climbs up, the supporter that one section of assembling one length of tape has foot-operated (13) can be climbed, when climbing to the top of ladder in the process of cat ladder, climb up again after inserting a supporter again in superincumbent Inner taper hole (12), during descending stair, pin steps down on foot-operated (13) and down climbs, and next section tears a supporter open, very convenient.

6. the manufacture method of a high voltage line maintenance ladder, it is characterized in that: during fabrication, bearing (16), key seat (17), rotation seat (1) and supporter adopt the aluminium alloys of light weight or the plastics manufacture of titanium alloy or carbon alloy or glass-reinforced plastic material or high strength, create hollow body or solid; Self-lock pin (6) adopts the plastics manufacture of metal material or glass-reinforced plastic material or high strength;

Described bearing (16) creates dish type or bar shaped cross-like, the middle part of dish type or or bar shaped cross-like middle part on be fixed with key seat (17), the middle part of dish type or or bar shaped cross-like pars intermedia below fixing or be stained with skid-proof rubber;

Described key seat (17) creates the supporter supporting and install rotational pin (15), and supporter manufactures pin-and-hole (14) and locking screw;

Described locking screw is manufactured near the pin-and-hole (14) on key seat (17), is equipped with lock bolt (18) in locking screw;

Described lock bolt (18) creates screw, can rotate in locking screw;

Described bearing (16) and key seat (17) manufacture as a whole, or the formation entirety that is fixed together after separately manufacturing;

Rotational pin (15) creates pivot pin or bolt, is fixed on key seat (17) and is above connected with rotation seat (1);

Described rotation seat (1) creates Connection Block, lower part manufacture has horizontal pin-and-hole (14), the upper end of upper part manufactures Inner taper hole (12), internal taper hole creates the hole of tapering, below Inner taper hole (12) or the inside manufacture have air gap groove (4), Inner taper hole (12) is directly through with air gap groove (4), manufactures self-locking hole (5) between the surface of rotation seat (1) upper part and Inner taper hole (12); The center line of described pin-and-hole (14) is with the central axis of Inner taper hole (12) or close to vertical; Being connected with key seat (17) below by rotational pin (15) of rotation seat (1), being connected with supporter by Inner taper hole (12) and locking bar above and fixing;

Described bearing (16), key seat (17), rotational pin (15) and rotation seat (1) are assembled into an independent entirety, are beneficial to rapid-assembling high voltage line maintenance ladder;

Described supporter creates cylinder, create pillar (2) and connector (3) two parts, pillar (2) and connector (3) two parts manufacture as a whole or are fixed together into as a whole after manufacturing respectively; Be fixedly connected with in the damaged surface pin of supporter foot-operated (13) that can be close to the cylinder of pillar (2) to the gathering of connector (3) direction, there is male cone (strobilus masculinus) (10) in pillar (2) the end manufacture of supporter, the ring surface of male cone (strobilus masculinus) (10) manufactures the annular lock groove (9) having depression; Manufacture in the end that the connector (3) of supporter is held and have Inner taper hole (12), Inner taper hole (12) creates the hole of tapering, manufacture below Inner taper hole (12) and have air gap groove (4), between the surface of connector (3) and Inner taper hole (12), manufacture self-locking hole (5); Described annular lock groove (9) creates the dovetail groove of annular, and the annular locking limit of annular lock groove (9) creates the facing directly of annular, central axis with supporter, corresponding with the position of self-locking hole (5);

Self-lock pin (6) creates locking head, middle part and pin handle three part, three parts create one, self-lock pin (6) is arranged in self-locking hole (5) through after thrust spring (8), locking head to put in after laterally entering Inner taper hole (12) in the annular lock groove (9) on male cone (strobilus masculinus) (10) again and coordinates with annular lock groove (9), and pin shank portion crosses out the damaged surface of pillar (2); The leading section of described locking head create sharp acute angle bevel with face directly composition shape, to create towards the one side of air gap groove (4) and face directly;

Described foot-operated (13) create hanger, connecting pin and riding boogie board three part, hanger creates the pedestal be fixed on Body of pillar, connecting pin creates the pin connecting hanger and riding boogie board, riding boogie board creates the square or flat cylinder or blocks stepped on for pin, is stained with skid-proof rubber or has antiskid glue sleeve in the upper surface cover of riding boogie board on riding boogie board;

Described self-locking hole (5) is manufactured between the surface on rotation seat (1) top and Inner taper hole (12) with in connector (3) surface being manufactured on supporter and Inner taper hole (12), create independent hole, the mid portion of self-locking hole (5) and wear out pillar (2) surface to be used for installing the aperture manufactured with the housing parts of the mating shapes of self-locking hole (5) large, the aperture that the one end, the inside in hole manufactures for the locking head extension of self-lock pin (6) is little, communicate with self-locking hole (5), corresponding with the position of the annular lock groove (9) on male cone (strobilus masculinus) (10), can also be inlaid with the housing with the mating shapes of self-locking hole (5) in the self-locking hole (5) manufactured separately, housing exposes or does not expose the damaged surface of pillar (2) in self-locking hole (5), when housing exposes the damaged surface of pillar (2), the one end of exposing the damaged surface of pillar (2) connects with screw or rivets or be welded on the damaged surface of pillar (2), when housing does not expose the damaged surface of pillar (2), connect with screw or rivet or weld or be fixed in self-locking hole (5) with jump ring, the inside and outside two ends of described housing manufacture porose, self-lock pin (6), thrust spring (8), thrust disc (7) are installed in housing, thrust disc (7) is arranged on the middle part of self-lock pin (6), thrust spring (8) is arranged between thrust disc (7) and housing, stretches out, locking head stretches out from the hole of the inner face of housing after the pin handle of self-lock pin (6) passes from the centre of thrust spring (8) from the hole of housing outer face,

Thrust disc (7) creates middle porose card, is fixed on self-lock pin (6);

Thrust disc (7) creates solid or hollow card, or creates a projection on self-lock pin (6); When described chuck creates solid or hollow card, be fixed on the mid portion of self-lock pin (6); Chuck is for bearing the thrust of promotion spring and passing to self-lock pin (6);

Thrust spring (8) creates helical spring;

Thrust disc (7) is fixed on the middle part of self-lock pin (6), the pin handle of self-lock pin (6) from the surface on the surface or connector (3) of stretching out rotation seat (1) after the central part of thrust spring (8) passes, locking head stretches out from the inner conical surface (11) of Inner taper hole (12), it is upper or withstand on the jump ring that is fixed in self-locking hole (5) that one end of thrust spring (8) is pressed in that thrust disc (7) is upper, the other end withstands on self-locking hole (5);

Annular lock groove (9) causes the trapezoidal annular groove lower than male cone (strobilus masculinus) (10), the male cone (strobilus masculinus) (10) being manufactured on supporter lower end above coordinates with self-lock pin (6) and completes self-locking, corresponding with the position of self-locking hole (5), the one side near pillar (2) end causes locking face;

The connection of supporter and rotation seat (1) and supporter and supporter and fixingly all adopt cone match, the conical surface creates inner conical surface (11) and male cone (strobilus masculinus) (10), and 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 polygonal conical surface, or creates the conical surface of circle or circular arc;

The consistent tapering that the tapering that tapering and the male cone (strobilus masculinus) (10) of Inner taper hole (12) coordinate creates;

Described bearing (16) is fixed with key seat (17), rotational pin (15) connects key seat (17) and rotation seat (1), the Inner taper hole (12) of described rotation seat (1) coordinates with the male cone (strobilus masculinus) (10) of the lower end of supporter and fixes, the male cone (strobilus masculinus) (10) of supporter coordinates with the inner conical surface (11) of the Inner taper hole (12) of a supporter below and fixes, Inner taper hole (12) is coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with self-lock pin (6) by the annular lock groove (9) on male cone (strobilus masculinus) (10) after coordinating with male cone (strobilus masculinus) (10) and fixing, be fixed with in the damaged surface of supporter foot-operated (13) of the folding that can draw in one end of the connector of supporter (3), be stained with skid-proof rubber in the bottom of bearing (16), supporter connector (3) surface and Inner taper hole (12) between and between the surface of rotation seat (1) and Inner taper hole (12), manufacture self-locking hole (5), thrust disc (7) is installed in self-locking hole (5), thrust spring (8) and self-lock pin (6), the middle part of self-lock pin (6) is fixed with thrust disc (7), the pin shank portion of self-lock pin (6) is from the surface of the protrusion circle stretched out after the central part of thrust spring (8) passes the surface of connector (3) or rotation seat (1), locking head stretches out from the inner conical surface (11) of Inner taper hole (12), one end of thrust spring (8) is pressed on the thrust disc (7) of self-lock pin (6), the other end withstands on self-locking hole (5).