CN105089323A

CN105089323A - Tandem type telegraph pole

Info

Publication number: CN105089323A
Application number: CN201510449423.6A
Authority: CN
Inventors: 徐仪钟
Original assignee: Chongqing Beijing Technology Development Co Ltd
Current assignee: Chongqing Beijing Technology Development Co Ltd
Priority date: 2015-07-28
Filing date: 2015-07-28
Publication date: 2015-11-25

Abstract

The invention relates to a tandem type telegraph pole. A connecting seat of the tandem type telegraph pole is fixedly arranged on a fixing seat; a connecting shaft connects the connecting seat and a carrying seat; a gravity cone is arranged on the carrying seat; an inner cone hole and an outer cone surface are matched and fixed; the attached inner cone surface and outer cone surface are automatically locked through the matching of an annular lock groove and a self locking pin after the inner cone hole and the outer cone surface are matched and fixed; and a porcelain insulator is fixed on the upper side part of one pole post arranged at the uppermost part of the assembled telegraph pole. The tandem type telegraph pole has the advantages that the structure is simple and compact; the manufacturing, the installation and the use are very convenient; a tool is not needed in the assembly process; the assembling of the telegraph pole is fast, convenient, safe and reliable; and the production cost and the use cost are reduced.

Description

Tandem electric pole

Technical field

The present invention relates to a kind of tandem electric pole of the electric wire for supporting transportion wire road.

Background technology

Now, the electric wire of the transmission line of electricity of rural power grids is all adopt concrete wire pole to support, and the weight of concrete wire pole is large, causes transport and installs inconvenient.Rural area is again in the upgrading of rural power grids carrying out a new round, and transport and electric pole easy for installation can be saved a large amount of funds for the transformation of rural power grids and save a large amount of labours.

Summary of the invention

The object that the present invention relates to is to provide a kind of the tandem electric pole and the manufacture method thereof that are easy to transport and Rapid Combination.

For achieving the above object, tandem electric pole of the present invention mainly comprises holder, Connection Block, connecting axle, lock bolt, load bearing seat, gravity cone, roofbolt, bar connect post, male cone (strobilus masculinus), Inner taper hole, inner conical surface, self-locking device;

Described holder is fixed with Connection Block, Connection Block there are pin-and-hole and locking screw, connecting axle links together Connection Block and load bearing seat through the pin-and-hole of the pin-and-hole on Connection Block and load bearing seat bottom, and lock bolt exceedes the lock bolt of locking screw screw end after screwing in the locking screw on Connection Block is pressed in the lower part locking load bearing seat of load bearing seat and the fit angle of holder.The Inner taper hole of the oriented lower recess in upper surface of described load bearing seat and self-locking hole, load bearing seat is coordinated with the male cone (strobilus masculinus) of roofbolt lower end by Inner taper hole and is fixed, and coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post 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 load bearing seat upper part, being provided with in the outside of the Inner taper hole part of load bearing seat lives turns hole, and the taper shank of the upper end of gravity cone inserts to live and to turn in hole fixing and turns in hole and can freely rotate living.Inner taper hole is had in the bridge joint head end that bar connects the two ends of post, the male cone (strobilus masculinus) of two roofbolts inserts in the Inner taper hole that a bar connects in the Holder joint at post two ends respectively, coordinated with the male cone (strobilus masculinus) of roofbolt 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 Holder joint.Porcelain insulator is fixed with at the upper part of a uppermost roofbolt of the electric pole assembled.

In the Inner taper hole that the male cone (strobilus masculinus) of described roofbolt lower end inserts load bearing seat or insertion rod connect in the Inner taper hole of the Holder joint of post upper end, the male cone (strobilus masculinus) insertion rod of roofbolt upper end connects in the Inner taper hole of the Holder joint of post lower end, male cone (strobilus masculinus) has annular lock groove coordinate with the locking head of self-lock pin and locks coordinating of inner conical surface and male cone (strobilus masculinus).

Described Inner taper hole is the hole having tapering, comprises the Inner taper hole of load bearing seat and the Inner taper hole of Holder joint, has inner conical surface in Inner taper hole.Described Inner taper hole is coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with the locking head of self-lock pin by the annular lock groove on male cone (strobilus masculinus) after coordinating with the male cone (strobilus masculinus) of roofbolt 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 Holder joint of load bearing 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 middle part in self-locking hole, is enclosed within the middle part of self-lock pin, one end withstands on thrust disc, the other end withstands on middle part in self-locking hole, wall on or withstand on the pin handle being fixed on self-lock pin one end self-locking hole in jump ring on; The lateral surfaces that thrust spring is passed at middle part, two ends are each passed through the inner conical surface of Holder joint or load bearing seat and the lateral surfaces of load bearing seat or Holder joint 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 holder is disking body or is in strip interconnection shape, the middle part of disking body or bar shaped interconnection shape be fixed with Connection Block above; Described holder fixed connecting base, stable and support roofbolt and bear all wt that Connection Block bears.

Described Connection Block supports and installs the pedestal of connecting axle, Connection Block has pin-and-hole and locking screw, and pin-and-hole is for installing with fixed connection shaft and bearing all wt that connecting axle bears.

Near the pin-and-hole of described locking screw on Connection Block, for assembling lock bolt and purl screw can be rotated in locking screw, the screw end of lock bolt is made to be pressed in the lower part locking load bearing seat of load bearing seat and the fit angle of holder.

Described lock bolt is screw, can rotate in locking screw, produces and rub and play locking effect when screw end contacts with the lower part of load bearing seat.

Described connecting axle is pivot pin or bolt, for connecting Connection Block and load bearing seat and bearing all wt that load bearing seat bears.

Described load bearing seat is Connection Block, lower part has horizontal pin-and-hole, there is Inner taper hole the upper end of upper part, between the surface of load bearing seat upper part and Inner taper hole, have self-locking hole, there is mesopore below Inner taper hole or the inside, and Inner taper hole and mesopore are directly through; The center line of described pin-and-hole and the central axis of Inner taper hole; Being provided with in the outside of the Inner taper hole part of load bearing seat lives turns hole, and the hole that turns alive being circular hole, boring for installing gravity; Being connected with Connection Block below by connecting axle of load bearing seat, being connected with cylinder by Inner taper hole above of load bearing seat; Described load bearing seat is for support and stable roofbolt and bar connect the connection of post and bear the weight that roofbolt bears.

Described gravity cone is the vertical bar with taper shank, and taper shank is vertical with vertical bar, and taper shank inserts to live and turns fixing in hole and turn in hole can freely rotate alive; Described gravity cone for directly observe roofbolt and the ground be arranged on load bearing seat angle and as adjusting roofbolt perpendicular to reference object during horizontal plane.

Described gravity cone can fit together forming unit entirety with load bearing seat, is convenient to the combination assembling of tandem electric pole.

Described roofbolt is the cylinder that there is male cone (strobilus masculinus) at two ends, and the end face at roofbolt two ends has sliding eye, and sliding eye stretches in the cylinder of roofbolt in the end of roofbolt, has annular lock groove at the mid portion of the male cone (strobilus masculinus) of roofbolt.

Described bar connects post and comprises Holder joint and fore-set two parts, fore-set in middle, Holder joint at two ends; It is that Holder joint is fixed together at roofbolt two ends and roofbolt the entirety formed or the entirety that Holder joint is inherently connected with roofbolt at roofbolt two ends that described bar connects post; The end face that described bar connects the two ends of post has Inner taper hole, and there is mesopore the inside of Inner taper hole, between the surface of Holder joint and Inner taper hole, have self-locking hole.

Described mesopore in the inside of Inner taper hole, for roofbolt 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 self-locking hole is on load bearing seat and connect in the Holder joint of post at bar, communicates with internal taper hole, corresponding with the position of the annular lock groove on male cone (strobilus masculinus); 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 Holder joint or load bearing 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.

Described self-locking hole can also be independent hole, the housing with the mating shapes of self-locking hole is inlaid with in self-locking hole, when housing exposes the damaged surface of cylinder in self-locking hole, the one end of exposing the damaged surface of cylinder connects with screw or rivets or be welded on the damaged surface of cylinder; When housing does not expose the damaged surface of cylinder in self-locking hole, 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 mid portion 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 load bearing seat that pin shank portion crosses out Holder joint; 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 roofbolt 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 thrust disc 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 trapezoidal annular groove lower than the cross section of male cone (strobilus masculinus), the male cone (strobilus masculinus) at roofbolt two ends coordinates with self-lock pin and completes self-locking; The annular locking face of annular lock groove be annular lock groove near roofbolt end one side, be the facing directly of annular, central axis with roofbolt, and corresponding with the position of self-locking hole; Described locking face is used for coordinating with facing directly of the locking 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 bar connect post and roofbolt fixation and load bearing seat and with roofbolt fixation.

The inner conical surface of described Inner taper hole coordinates with male cone (strobilus masculinus) and installs roofbolt and bar connects post, realize load bearing seat and roofbolt fast fixing and roofbolt connect fixing fast of post with bar, be beneficial to roofbolt and bar connects the quick assembling of post and load bearing seat and quick demolition, play Fast Installation and effect fixing fast; And then make load bearing seat and roofbolt and roofbolt and Holder joint fixation respectively.

In order to increase connectivity robustness and the stability of tandem electric pole, improve the speed of installation and demolition, described roofbolt and load bearing seat and roofbolt and bar connect connection between post and fixingly all adopt cone match, are beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) of roofbolt, in the Inner taper hole of load bearing 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 roofbolt with coordinating of the inner conical surface of load bearing seat and do not loosen; The male cone (strobilus masculinus) of roofbolt, in the Inner taper hole of Holder joint, 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 roofbolt and do not loosen with coordinating of the inner conical surface of Holder joint.During assembling, inner conical surface and male cone (strobilus masculinus) the gravity born and connect at roofbolt and bar post self gravitation effect under press tighter and tighter and realize automatic fastening; During demolition, pull the 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), roofbolt upwards one argue for the sake of arguing post automatically will separate with Inner taper hole or barre connect post upwards a post of arguing for the sake of arguing automatically will separate with Inner taper hole.

The conical surface comprises inner conical surface and male cone (strobilus masculinus), and the cross section of the conical surface is the circular conical surface, or the polygonal conical surface, or the conical surface of circular arc, or the special-shaped conical surface that circular arc and line segment form.

In order to have the ground upper support bar post at angle of inclination, when holder is laid on a horizontal ground, the central axis of load bearing seat, in holder, ensure that the verticality being arranged on roofbolt on load bearing seat and horizontal plane; When holder is placed on the ground of inclination, load bearing seat can rotate certain angle around connecting axle on holder, ensure that the verticality being arranged on roofbolt on load bearing seat and horizontal plane.

Connecting axle is adopted to be fastened on Connection Block on holder and load bearing seat, make load bearing seat can rotate certain angle around connecting axle on holder, reach when holder is placed on the ground of inclination and ensure that the roofbolt be arranged on load bearing seat keeps the object perpendicular to horizontal plane.

In order to enable tandem electric pole assemble fast, holder, Connection Block, connecting axle and load bearing seat can also be the entirety fitted together.

Tandem electric pole, when assembling, is fixed on holder on foundation base, afterwards, A, Connection Block to be fixed on above holder, then load bearing seat is connected to above Connection Block by connecting axle and Connection Block.B, again the male cone (strobilus masculinus) of roofbolt insert load bearing seat Inner taper hole in, under the effect of self gravitation, the male cone (strobilus masculinus) of roofbolt and the inner conical surface of load bearing seat are naturally fitted and fix, and the gravity depressed from cylinder 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 roofbolt, 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 roofbolt contacts firm with the inner conical surface of the Inner taper hole of load bearing 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 roofbolt and load bearing seat.Point-blank whether the parallel lines of C, the center line of vertical bar observing gravity cone and the center line of roofbolt, time not point-blank, the center line of the vertical bar that the upper end of moving the roofbolt inserted on load bearing seat makes the parallel lines of the center line of roofbolt and gravity bore point-blank, the lock bolt be rotationally connected again on seat compresses the lower part of load bearing seat, load bearing seat can not be rotated around connecting axle, allow the angle of holder and load bearing seat remain unchanged, ensure that the column vertical be arranged on above load bearing seat is in horizontal plane; Time point-blank, the lock bolt be just directly rotationally connected on seat compresses the lower part of load bearing seat, load bearing seat can not be rotated around connecting axle, allow the angle of holder and load bearing seat remain unchanged, ensure that the column vertical be arranged on above load bearing seat is in horizontal plane.The male cone (strobilus masculinus) of the upper end of D, roofbolt again on load bearing seat overlaps the Holder joint that upper boom connects post, under the effect of the gravity of self gravitation and carrying, the male cone (strobilus masculinus) of roofbolt and the inner conical surface of Holder joint are naturally fitted and fix, and it is larger to connect from bar the gravity that post depresses, and it is closely and more more firm that inner conical surface and male cone (strobilus masculinus) are fitted; Afterwards, again the male cone (strobilus masculinus) insertion rod of roofbolt is connect in the internal taper hole of post upper end, under the effect of the gravity of self gravitation and carrying, the male cone (strobilus masculinus) of roofbolt and the inner conical surface of Holder joint are naturally fitted and fix, and the gravity depressed from roofbolt is larger, it is closely and more more firm that inner conical surface and male cone (strobilus masculinus) are fitted; On the male cone (strobilus masculinus) being enclosed within roofbolt upper end at the internal taper hole of Holder joint and the male cone (strobilus masculinus) of roofbolt insert in the process of Inner taper hole, 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 inner conical surface that male cone (strobilus masculinus) and the bar of roofbolt connects the Inner taper hole of post contacts firm, 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 roofbolt of E, employing multilayer forms tandem electric pole, on the male cone (strobilus masculinus) that Holder joint can be enclosed within roofbolt by step and method again that repeat D step or again inserted in the Inner taper hole of Holder joint below by the male cone (strobilus masculinus) of another root roofbolt, complete roofbolt and bar connects being connected and fixed and locking between post; Finally, uppermost roofbolt fixes porcelain vase.The assembling of roofbolt and load bearing seat and roofbolt and Holder joint is very convenient, just can complete without any need for instrument.

The porcelain insulator at the top of the tandem electric pole after combination installs fixes electric wire, completes shelving of transportion wire road.

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 tandem electric pole, described holder, fore-set and roofbolt are solid or hollow body; It is individual layer or multilayer that described roofbolt and bar connect post in the combination of tandem electric pole, and holder is individual layer in the combination of tandem electric pole.

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

Bore to make gravity and can remain perpendicular to horizontal plane, the taper shank of described gravity cone is in the upper end of vertical bar, and the center of gravity that gravity is bored is lower than the position of taper shank.

For the ease of using and depositing, described tandem electric pole is when needs use, and its all composition accessory can be combined into ladder; The not used time, its all composition accessory can both be dismantled, and is convenient to packaging and storing.

In order to reduce the consumption of tandem electric pole and be convenient to store and keeping, all building blocks of described tandem electric pole can be reused.

Conveniently transport, roofbolt, holder and load bearing seat can be dismantled completely becomes independent parts, is beneficial to packaging and transport.

The manufacture method of described tandem electric pole, is characterized in that:

During fabrication, holder, Connection Block, load bearing seat, roofbolt and bar connect the plastics manufacture that post adopts metal material or high strength, and holder, roofbolt and fore-set create hollow body or solid; Holder, Connection Block, load bearing seat, roofbolt and bar connect post when adopting the metal material that gets rusty easily to manufacture, after manufacture is good, want rust prevention by applying liquid material paint antirust.

Described holder creates the pedestal of dish type or bar shaped cross-like, and the middle part of the middle part of dish type or bar shaped cross-like is fixed with Connection Block.

Described Connection Block creates the pedestal supporting and install connecting axle, and Connection Block manufactures pin-and-hole and locking screw.

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

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

Described holder and Connection Block manufacture as a whole, or the formation entirety that is fixed together after separately manufacturing.

Connecting axle creates pivot pin or bolt, is fixed on Connection Block and is connected with load bearing seat.

Described load bearing seat creates Connection Block, lower part manufacture has horizontal pin-and-hole, 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 mesopore, Inner taper hole and mesopore are directly through, between the surface of load bearing seat upper part and Inner taper hole, manufacture self-locking hole; The center line of described pin-and-hole and the central axis of Inner taper hole; Having to live in the manufacture of the outside of the Inner taper hole part of load bearing seat and turning hole, work being turned hole and creates circular hole, gravity cone is installed in circular hole; Being connected with Connection Block below by connecting axle of load bearing seat, the Inner taper hole that passes through above of load bearing seat coordinates with the male cone (strobilus masculinus) of roofbolt and is connected and fixes.

Described gravity bores the vertical bar created with taper shank, and taper shank is vertical with vertical bar, and taper shank inserts to live and turns fixing in hole and turn in hole can freely rotate alive.

Described holder, Connection Block, connecting axle and load bearing seat can also be assembled into the entirety of a combination, are beneficial to rapid-assembling tandem electric pole.

Described roofbolt creates the cylinder that there is male cone (strobilus masculinus) at two ends, and the mid portion manufacture of the male cone (strobilus masculinus) at cylinder two ends has annular lock groove.

Described bar connects post and creates Holder joint and fore-set two parts, the two ends that fore-set is manufactured on the centre of Holder joint, Holder joint is manufactured on fore-set; Described bar connects post and creates Holder joint and to be fixed together at roofbolt two ends and roofbolt the entirety formed, or Holder joint is manufactured on roofbolt two ends and is connected with roofbolt; The end face that described bar connects the two ends of post has all manufactured Inner taper hole, and Inner taper hole creates the hole of tapering, and manufacturing in the inside of Inner taper hole has mesopore, between the surface of Holder joint and Inner taper hole, manufacture 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 cylinder; The leading section of described locking head create acute angle bevel with face directly composition shape, to create towards the one side of mesopore and face directly.

Described self-locking hole is manufactured between the surface on load bearing seat top and Inner taper hole and is manufactured between the Holder joint surface of roofbolt and Inner taper hole, communicates with internal taper hole, corresponding with the position of the annular lock groove on male cone (strobilus masculinus).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 Holder joint or load bearing 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.

Described self-locking hole can also create independent hole, the housing with the mating shapes of self-locking hole can also be inlaid with in the self-locking hole manufactured separately, when housing exposes the damaged surface of cylinder in self-locking hole, the one end of exposing the damaged surface of cylinder connects with screw or rivets or be welded on the damaged surface of cylinder; When housing does not expose the damaged surface of cylinder in self-locking hole, 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 solid or hollow card, or creates a projection on self-lock pin; When described thrust disc creates middle porose 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.

Thrust spring creates helical spring.

The cross section that annular lock groove causes lower than male cone (strobilus masculinus) is trapezoidal annular groove, and the male cone (strobilus masculinus) being manufactured on roofbolt two ends coordinates with self-lock pin and completes self-locking, corresponding with the position of self-locking hole, the one side of annular groove near roofbolt end causes locking face.

The connection of roofbolt and load bearing seat and roofbolt and Holder joint 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 circular conical surface, or creates the polygonal conical surface, or creates the conical surface of circular arc, or creates the special-shaped conical surface that circular arc and line segment form.

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

Described holder is fixed with Connection Block, and connecting axle connects Connection Block and load bearing seat, and load bearing seat has installed gravity cone; Lock bolt exceedes the lock bolt of locking screw screw end after screwing in the locking screw on Connection Block is pressed in the lower part locking load bearing seat of load bearing seat and the fit angle of holder; The Inner taper hole of described load bearing seat coordinates with the male cone (strobilus masculinus) of roofbolt and fixes, the male cone (strobilus masculinus) of roofbolt coordinates with the inner conical surface of the Inner taper hole of Holder joint 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; Manufacture in the outside of the Inner taper hole part of load bearing seat that having lives turns hole, the taper shank of the upper end of gravity cone inserts to live and to turn in hole fixing and turns in hole and can freely rotate living.Inner taper hole is had in the bridge joint head end that bar connects the two ends of post, the male cone (strobilus masculinus) of two roofbolts inserts in the Inner taper hole that a bar connects in the Holder joint at post two ends respectively, coordinated with the male cone (strobilus masculinus) of roofbolt 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 Holder joint; Porcelain insulator is fixed with at the upper part of a uppermost roofbolt of the electric pole assembled.

Tandem electric pole of the present invention simple for structure, manufacture, install and use very convenient, tandem electric pole does not need instrument in assembly and disassembly process; Do not need instrument in an assembling process, the speed of assembling wire bar is fast, convenient, safe and reliable, reduces cost of production and use cost.

Accompanying drawing explanation

The package assembly schematic diagram of Fig. 1 tandem electric pole.

Fig. 2 is the structural representation of roofbolt.

Fig. 3 is the structural representation that bar connects post.

Fig. 4 is the cross-sectional schematic of load bearing seat.

Fig. 5 is the surface structure schematic diagram that load bearing seat and holder combine.

Shown in figure: load bearing seat 1, roofbolt 2, Holder joint 3, fore-set 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, pin-and-hole 14, connecting axle 15, holder 16, Connection Block 17, lock bolt 18, gravity cone 19, mesopore 21.

Detailed description of the invention

Tandem electric pole of the present invention mainly comprises holder 16, Connection Block 17, connecting axle 15, lock bolt 18, load bearing seat 1, gravity cone 19, roofbolt 2, bar connect post, male cone (strobilus masculinus) 10, Inner taper hole 12, inner conical surface 11, self-locking device;

Described holder 16 is fixed with Connection Block 17, Connection Block 17 there are pin-and-hole 14 and locking screw, connecting axle 15 links together Connection Block 17 and load bearing seat 1 through the pin-and-hole 14 of the pin-and-hole 14 on Connection Block 17 and load bearing seat 1 bottom, and lock bolt 18 exceedes the lock bolt 18 of locking screw screw end after screwing in the locking screw on Connection Block 17 is pressed in the lower part locking load bearing seat 1 of load bearing seat 1 and the fit angle of holder 16.Inner taper hole 12 and self-locking hole 5 is had above described load bearing seat 1, load bearing seat 1 is coordinated with the male cone (strobilus masculinus) 10 of roofbolt 2 lower end by Inner taper hole 12 and fixes, and coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post 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 load bearing seat 1 upper part, being provided with in the outside of Inner taper hole 12 part of load bearing seat 1 lives turns hole, and the taper shank of the upper end of gravity cone 19 inserts to live and to turn in hole fixing and turns in hole and can freely rotate living.Inner taper hole 12 is had in Holder joint 3 end that bar connects the two ends of post, the male cone (strobilus masculinus) 10 of two roofbolts 2 inserts in the Inner taper hole 12 that a bar connects in the Holder joint 3 at post two ends respectively, coordinated with the male cone (strobilus masculinus) 10 of roofbolt 2 by Inner taper hole 12 and fix, and being coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post 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 Holder joint 3.Porcelain insulator is fixed with at the upper part of a uppermost roofbolt 2 of the electric pole assembled.

In the Inner taper hole 12 that the male cone (strobilus masculinus) 10 of described roofbolt 2 lower end inserts load bearing seat 1 or insertion rod connect in the Inner taper hole 12 of the Holder joint 3 of post upper end, male cone (strobilus masculinus) 10 insertion rod of roofbolt 2 upper end connects in the Inner taper hole 12 of the Holder joint 3 of post lower end, male cone (strobilus masculinus) 10 has annular lock groove 9 coordinate with the locking head of self-lock pin 6 and locks coordinating of inner conical surface 11 and male cone (strobilus masculinus) 10.

Described Inner taper hole 12 is the holes having tapering, comprises in the Inner taper hole 12 of load bearing seat 1 and Inner taper hole 12, the Inner taper hole 12 of Holder joint 3 and has inner conical surface 11.Described Inner taper hole 12 is coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post with the locking head of self-lock pin 6 by the annular lock groove 9 on male cone (strobilus masculinus) 10 after coordinating with the male cone (strobilus masculinus) 10 of roofbolt 2 and fixing.In order to make Inner taper hole 12 and male cone (strobilus masculinus) 10 can close fit, the tapering of described Inner taper hole 12 be consistent with the tapering of male cone (strobilus masculinus) 10.

Described self-locking device comprises 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 Holder joint 3 of load bearing 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 middle part in self-locking hole 5, is enclosed within the middle part of self-lock pin 6, one end withstands on thrust disc 7, the other end withstands on middle part in self-locking hole 5, wall on or withstand on the pin handle being fixed on self-lock pin 6 one end self-locking hole 5 in jump ring on; The lateral surfaces that thrust spring 8 is passed at middle part, two ends are each passed through the inner conical surface 11 of Holder joint 3 or load bearing seat 1 and the lateral surfaces of load bearing seat 1 or Holder joint 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 holder 16 is disking bodies or is in strip interconnection shape, the middle part of disking body or bar shaped interconnection shape be fixed with Connection Block 17 above; Described holder 16 fixed connecting base 17, stable and support roofbolt 2 and bear all wt that Connection Block 17 bears.

Described Connection Block 17 supports and installs the pedestal of connecting axle 15, Connection Block 17 has pin-and-hole 14 and locking screw, and pin-and-hole 14 is for installing with fixed connection shaft 15 and bearing all wt that connecting axle 15 bears.

Near the pin-and-hole 14 of described locking screw on Connection Block 17, for assembling lock bolt 18 and purl screw can be rotated in locking screw, the screw end of lock bolt 18 is made to be pressed in the lower part locking load bearing seat 1 of load bearing seat 1 and the fit angle of holder 16.

Described lock bolt 18 is screws, can rotate in locking screw, produces and rub and play locking effect when screw end contacts with the lower part of load bearing seat 1.

Described connecting axle 15 is pivot pin or bolt, for connecting Connection Block 17 and load bearing seat 1 and bearing all wt that load bearing seat 1 bears.

Described load bearing seat 1 is Connection Block 17, lower part 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 and Inner taper hole 12 of load bearing seat 1 upper part, below Inner taper hole 12 or the inside has mesopore 21, Inner taper hole 12 and mesopore 21 directly through; The center line of described pin-and-hole 14 and the central axis of Inner taper hole 12; Being provided with in the outside of Inner taper hole 12 part of load bearing seat 1 lives turns hole, and the hole that turns alive being circular hole, boring 19 for installing gravity; Being connected with Connection Block 17 below by connecting axle 15 of load bearing seat 1, being connected with cylinder by Inner taper hole 12 above of load bearing seat 1; Described load bearing seat 1 is for support and stable roofbolt 2 and bar connect the connection of post and bear the weight that roofbolt 2 bears.

Described gravity cone 19 is the vertical bars with taper shank, and taper shank is vertical with vertical bar, and taper shank inserts to live and turns fixing in hole and turn in hole can freely rotate alive; Described gravity cone 19 is arranged on roofbolt 2 on load bearing seat 1 with the angle on ground with as adjusting roofbolt 2 perpendicular to reference object during horizontal plane for directly observing.

Described gravity cone 19 can fit together forming unit entirety with load bearing seat 1, is convenient to the combination assembling of tandem electric pole.

Described roofbolt 2 is cylinders that there is male cone (strobilus masculinus) 10 at two ends, and the end face at roofbolt 2 two ends has sliding eye 9, and sliding eye 9 stretches in the cylinder of the end of roofbolt 2 toward roofbolt 2, has annular lock groove 9 at the mid portion of the male cone (strobilus masculinus) 10 of roofbolt 2.

Described bar connects post and comprises Holder joint 3 and fore-set 4 two parts, fore-set 4 in middle, Holder joint 3 at two ends; It is that Holder joint 3 is fixed together at roofbolt 2 two ends and roofbolt 2 entirety formed or the entirety that Holder joint 3 is inherently connected with roofbolt 2 at roofbolt 2 two ends that described bar connects post; The end face that described bar connects the two ends of post has the inside of Inner taper hole 12, Inner taper hole 12 to have mesopore 21, has self-locking hole 5 between the surface of Holder joint 3 and Inner taper hole 12.

Described mesopore 21 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 roofbolt 2, is convenient to the close fit of inner conical surface 11 and male cone (strobilus masculinus) 10.

Described self-locking hole 5 connects in the Holder joint 3 of post on load bearing seat 1 and at bar, communicates with internal taper hole, corresponding with the position of the annular lock groove 9 on male cone (strobilus masculinus) 10; Thrust disc 7, thrust spring 8 and self-lock pin 6 are installed in self-locking hole 5, the middle part of self-lock pin 6 is fixed with thrust disc 7, the pin shank portion of self-lock pin 6 from the surface of the protrusion circle stretched out after the central part of thrust spring 8 passes the surface of Holder joint 3 or load bearing 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.

Described self-locking hole 5 can also be independent hole, the housing with the mating shapes of self-locking hole 5 is inlaid with in self-locking hole 5, when housing exposes the damaged surface of cylinder in self-locking hole 5, the one end of exposing the damaged surface of cylinder connects with screw or rivets or be welded on the damaged surface of cylinder; When housing does not expose the damaged surface of cylinder in self-locking hole 5, 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 mid portion 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 Holder joint 3 surface or crosses out the surface of upper part of load bearing 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 roofbolt 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 thrust disc 7 is solid or hollow cards, 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 trapezoidal annular grooves lower than the cross section of male cone (strobilus masculinus) 10, the male cone (strobilus masculinus) 10 at roofbolt 2 two ends coordinates with self-lock pin 6 and completes self-locking; The annular locking face of annular lock groove 9 be annular lock groove 9 near roofbolt 2 end one side, be the facing directly of annular, central axis with roofbolt 2, and corresponding with the position of self-locking hole 5; Described locking face is used for coordinating with facing directly of the locking 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 bar connect post and roofbolt 2 fixation and load bearing seat 1 with roofbolt 2 fixation.

The inner conical surface 11 of described Inner taper hole 12 coordinates with male cone (strobilus masculinus) 10 and installs roofbolt 2 and bar connects post, realize load bearing seat 1 and connect the fixing fast of post with roofbolt 2 is fixing fast with roofbolt 2 and bar, be beneficial to roofbolt 2 and connect the quick assembling of post and load bearing seat 1 and quick demolition with bar, play Fast Installation and effect fixing fast; And then make load bearing seat 1 and roofbolt 2 and roofbolt 2 and Holder joint 3 fixation respectively.

In order to increase connectivity robustness and the stability of tandem electric pole, improve the speed of installation and demolition, described roofbolt 2 and load bearing seat 1 and roofbolt 2 and bar connect connection between post and fixingly all adopt cone match, are beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) 10 of roofbolt 2, in the Inner taper hole 12 of load bearing 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 roofbolt 2 with coordinating of the inner conical surface 11 of load bearing seat 1 and do not loosen; The male cone (strobilus masculinus) 10 of roofbolt 2, in the Inner taper hole 12 of Holder joint 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 Holder joint 3 of locking roofbolt 2.During assembling, inner conical surface 11 and male cone (strobilus masculinus) 10 are at the gravity born and press tighter and tighter under roofbolt 2 and bar connect the effect of the self gravitation of post and realize automatic fastening; During demolition, pull the 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, roofbolt 2 upwards one argue for the sake of arguing post 2 automatically will separate with Inner taper hole 12 or barre connect post upwards a post 2 of arguing for the sake of arguing automatically will separate with Inner taper hole 12.

The conical surface comprises inner conical surface 11 and male cone (strobilus masculinus) 10, and the cross section of the conical surface is the circular conical surface, or the polygonal conical surface, or the conical surface of circular arc, or the special-shaped conical surface that circular arc and line segment form.

In order to have the ground upper support bar post 2 at angle of inclination, when holder 16 is laid on a horizontal ground, the central axis of load bearing seat 1, in holder 16, ensure that the verticality being arranged on roofbolt on load bearing seat 12 and horizontal plane; When holder 16 is placed on the ground of inclination, load bearing seat 1 can rotate certain angle around connecting axle 15 on holder 16, ensure that the verticality being arranged on roofbolt on load bearing seat 12 and horizontal plane.

Connecting axle 15 is adopted to be fastened on Connection Block 17 on holder 16 and load bearing seat 1, make load bearing seat 1 can rotate certain angle around connecting axle 15 on holder 16, reach when holder 16 is placed on the ground of inclination and ensure that the roofbolt 2 be arranged on load bearing seat 1 keeps the object perpendicular to horizontal plane.

In order to enable tandem electric pole assemble fast, holder 16, Connection Block 17, connecting axle 15 and load bearing seat 1 can also be the entirety fitted together.

In order to can the locking inner conical surface 11 of working good and male cone (strobilus masculinus) 10 not loosen, described 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 tandem electric pole, described holder 16, fore-set 4 and roofbolt 2 are solid or hollow body; It is individual layer or multilayer that described roofbolt 2 and bar connect post in the combination of tandem electric pole, and holder 16 is individual layer in the combination of tandem electric pole.

In order to ensure that roofbolt 2 is all the time perpendicular to horizontal plane, adopt lock bolt 18 to produce frictional force by rotation forces load bearing seat 1 and Connection Block 17 and fix load bearing seat 1 and the angle angle of holder 16, when holder 16 is placed on the ground of inclination, ensure that the roofbolt 2 be arranged on load bearing seat 1 remains perpendicular to horizontal plane.

Bore 19 to make gravity can remain perpendicular to horizontal plane, the taper shank of described gravity cone 19, in the upper end of vertical bar, makes the position of center of gravity lower than taper shank of gravity cone 19.

Conveniently transport, roofbolt 2, holder 16 and load bearing seat 1 can be dismantled completely becomes independent parts, is beneficial to packaging and transport.

Tandem electric pole, when assembling, is fixed on holder on foundation base, afterwards, A, Connection Block 17 to be fixed on above holder 16, then load bearing seat 1 is connected to above Connection Block 17 by connecting axle 15 and Connection Block 17.B, again the male cone (strobilus masculinus) 10 of roofbolt 2 is inserted in the Inner taper hole 12 of load bearing seat 1, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of roofbolt 2 is naturally fitted with the inner conical surface 11 of load bearing seat 1 and fixes, and the gravity depressed from cylinder 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 roofbolt 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 roofbolt 2 contacts firm with the inner conical surface 11 of the Inner taper hole 12 of load bearing 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 roofbolt 2 and the fixing of load bearing seat 1 and locking.Point-blank whether the parallel lines of C, the center line of vertical bar observing gravity cone 19 and the center line of roofbolt 2, time not point-blank, the upper end of moving the roofbolt 2 inserted on load bearing seat 1 makes the parallel lines of the center line of roofbolt 2 and gravity bore the center line of the vertical bar of 19 point-blank, the lock bolt 18 be rotationally connected again on seat 17 compresses the lower part of load bearing seat 1, load bearing seat 1 can not be rotated around connecting axle 15, allow holder 16 remain unchanged with the angle of load bearing seat 1, ensure that the column vertical be arranged on above load bearing seat 1 is in horizontal plane; Time point-blank, just directly the lock bolt 18 be rotationally connected on seat 17 compresses the lower part of load bearing seat 1, load bearing seat 1 can not be rotated around connecting axle 15, allow holder 16 remain unchanged with the angle of load bearing seat 1, ensure that the column vertical be arranged on above load bearing seat 1 is in horizontal plane.The male cone (strobilus masculinus) 10 of the upper end of D, roofbolt 2 again on load bearing seat 1 overlaps the Holder joint 3 that upper boom connects post, under the effect of the gravity of self gravitation and carrying, the male cone (strobilus masculinus) 10 of roofbolt 2 is naturally fitted with the inner conical surface 11 of Holder joint 3 and fixes, and it is larger to connect from bar the gravity that post depresses, and it is closely and more more firm that inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted; Afterwards, again male cone (strobilus masculinus) 10 insertion rod of roofbolt 2 is connect in the internal taper hole of post upper end, under the effect of the gravity of self gravitation and carrying, the male cone (strobilus masculinus) 10 of roofbolt 2 is naturally fitted with the inner conical surface 11 of Holder joint 3 and fixes, and the gravity depressed from roofbolt 2 is larger, it is closely and more more firm that inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted; On the male cone (strobilus masculinus) 10 being enclosed within roofbolt 2 upper end at the internal taper hole of Holder joint 3 and the male cone (strobilus masculinus) 10 of roofbolt 2 insert 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 inner conical surface 11 that male cone (strobilus masculinus) 10 and the bar of roofbolt 2 connects the Inner taper hole 12 of post contacts firm, 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 roofbolt 2 of E, employing multilayer forms tandem electric pole, on the male cone (strobilus masculinus) 10 that Holder joint 3 can be enclosed within roofbolt 2 by step and method again that repeat D step or again inserted in the Inner taper hole 12 of Holder joint 3 below by the male cone (strobilus masculinus) 10 of another root roofbolt 2, complete roofbolt 2 and bar connects being connected and fixed and locking between post; Finally, uppermost roofbolt fixes porcelain vase.Roofbolt 2 is very convenient with the assembling of load bearing seat 1 and roofbolt 2 and Holder joint 3, just can complete without any need for instrument.

Claims

1. a tandem electric pole, is characterized in that: described tandem electric pole mainly comprises holder (16), Connection Block (17), connecting axle (15), lock bolt (18), load bearing seat (1), gravity cone (19), roofbolt (2), bar connect post, male cone (strobilus masculinus) (10), Inner taper hole (12), inner conical surface (11), self-locking device;

Described holder (16) is fixed with Connection Block (17), Connection Block (17) there are pin-and-hole (14) and locking screw, connecting axle (15) links together Connection Block (17) and load bearing seat (1) through the pin-and-hole (14) of the pin-and-hole (14) on Connection Block (17) and load bearing seat (1) bottom, lock bolt (18) exceedes the lock bolt (18) of locking screw screw end after screwing in the locking screw on Connection Block (17) is pressed in lower part locking load bearing seat (1) of load bearing seat (1) and the fit angle of holder (16), Inner taper hole (12) and self-locking hole (5) is had above described load bearing seat (1), load bearing seat (1) is coordinated by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of roofbolt (2) lower end and fixes, 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) through inner conical surface (11) being arranged on load bearing seat (1) upper part, be provided with to live in the outside of Inner taper hole (12) part of load bearing seat (1) and turn hole, the taper shank of the upper end of gravity cone (19) inserts to live and turns fixing in hole and turn in hole can freely rotate alive, Inner taper hole (12) is had in Holder joint (3) end that bar connects the two ends of post, the male cone (strobilus masculinus) (10) of two roofbolts (2) inserts in the Inner taper hole (12) that a bar connects in the Holder joint (3) at post two ends respectively, coordinate by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of roofbolt (2) 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 Holder joint (3), porcelain insulator is fixed with at the upper part of a uppermost roofbolt (2) of the electric pole assembled,

In the Inner taper hole (12) that the male cone (strobilus masculinus) (10) of described roofbolt (2) lower end inserts load bearing seat (1) or insertion rod connect in the Inner taper hole (12) of the Holder joint (3) of post upper end, male cone (strobilus masculinus) (10) insertion rod of roofbolt (2) upper end connects in the Inner taper hole (12) of the Holder joint (3) of post lower end, male cone (strobilus masculinus) (10) has annular lock groove (9) coordinate with the locking head of self-lock pin (6) and locks coordinating of inner conical surface (11) and male cone (strobilus masculinus) (10);

Described Inner taper hole (12) is the hole having tapering, comprise the Inner taper hole (12) of load bearing seat (1) and the Inner taper hole (12) of Holder joint (3), in Inner taper hole (12), have inner conical surface (11); Described Inner taper hole (12) is coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the locking head of self-lock pin (6) by the annular lock groove (9) on male cone (strobilus masculinus) (10) after coordinating with the male cone (strobilus masculinus) (10) of roofbolt (2) and fixing; In order to make Inner taper hole (12) and male cone (strobilus masculinus) (10) can close fit, the tapering of described Inner taper hole (12) be consistent with the tapering of male cone (strobilus masculinus) (10);

Described self-locking device comprises 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 Holder joint (3) of load bearing 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 middle part in self-locking hole (5), is enclosed within the middle part of self-lock pin (6), one end withstands on that thrust disc (7) is upper, the other end withstands on middle part in self-locking hole (5), wall on or withstand on the pin handle being fixed on self-lock pin (6) one end self-locking hole (5) in jump ring on; The lateral surfaces that thrust spring (8) is passed at middle part, two ends are each passed through the inner conical surface (11) of Holder joint (3) or load bearing seat (1) and the lateral surfaces of load bearing seat (1) or Holder joint (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 holder (16) is disking body or is in strip interconnection shape, the middle part of disking body or bar shaped interconnection shape be fixed with Connection Block (17) above; Described holder (16) fixed connecting base (17), stable and support roofbolt (2) and bear all wt that Connection Block (17) bears;

Described Connection Block (17) is the pedestal supporting and install connecting axle (15), Connection Block (17) has pin-and-hole (14) and locking screw, pin-and-hole (14) is for installing and fixed connection shaft (15) bear all wt that connecting axle (15) bears;

Near the pin-and-hole (14) of described locking screw on Connection Block (17), for assembling lock bolt (18) and purl screw can be rotated in locking screw, the screw end of lock bolt (18) is made to be pressed in lower part locking load bearing seat (1) of load bearing seat (1) and the fit angle of holder (16);

Described lock bolt (18) is screw, can rotate in locking screw, produces and rub and play locking effect when screw end contacts with the lower part of load bearing seat (1);

Described connecting axle (15) is pivot pin or bolt, for connecting Connection Block (17) and load bearing seat (1) and bearing all wt that load bearing seat (1) bears;

Described load bearing seat (1) is Connection Block (17), lower part there is horizontal pin-and-hole (14), there is Inner taper hole (12) upper end of upper part, self-locking hole (5) is had between the surface of load bearing seat (1) upper part and Inner taper hole (12), there is mesopore (21) below Inner taper hole (12) or the inside, and Inner taper hole (12) is directly through with mesopore (21); The center line of described pin-and-hole (14) and the central axis of Inner taper hole (12); Be provided with to live in the outside of Inner taper hole (12) part of load bearing seat (1) and turn hole, the hole that turns alive being circular hole, boring (19) for installing gravity; Being connected with Connection Block (17) below by connecting axle (15) of load bearing seat (1), being connected with cylinder by Inner taper hole (12) above of load bearing seat (1); Described load bearing seat (1) is for support and stable roofbolt (2) and bar connect the connection of post and bear the weight that roofbolt (2) bears;

Described gravity cone (19) is the vertical bar with taper shank, and taper shank is vertical with vertical bar, and taper shank inserts to live and turns fixing in hole and turn in hole can freely rotate alive; Described gravity cone (19) is arranged on the roofbolt (2) on load bearing seat (1) with the angle on ground with as adjusting roofbolt (2) perpendicular to reference object during horizontal plane for directly observing;

Described gravity cone (19) can fit together forming unit entirety with load bearing seat (1), is convenient to the combination assembling of tandem electric pole;

Described roofbolt (2) is the cylinder that there are male cone (strobilus masculinus) (10) at two ends, the end face at roofbolt (2) two ends has sliding eye (9), sliding eye (9) stretches in the cylinder of roofbolt (2) in the end of roofbolt (2), has annular lock groove (9) at the mid portion of the male cone (strobilus masculinus) (10) of roofbolt (2);

Described bar connects post and comprises Holder joint (3) and fore-set (4) two parts, fore-set (4) in middle, Holder joint (3) at two ends; It is that Holder joint (3) is fixed together at roofbolt (2) two ends and roofbolt (2) entirety formed or the entirety that Holder joint (3) is inherently connected with roofbolt (2) at roofbolt (2) two ends that described bar connects post; The end face that described bar connects the two ends of post has Inner taper hole (12), there is mesopore (21) the inside of Inner taper hole (12), has self-locking hole (5) between the surface of Holder joint (3) and Inner taper hole (12);

Described mesopore (21) 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 roofbolt (2), be convenient to the close fit of inner conical surface (11) and male cone (strobilus masculinus) (10);

Described self-locking hole (5) is on load bearing seat (1) and connect in the Holder joint (3) of post at bar, communicates with internal taper hole, corresponding with the position of the annular lock groove (9) on male cone (strobilus masculinus) (10); Thrust disc (7), thrust spring (8) and self-lock pin (6) are installed in self-locking hole (5), the middle part of self-lock pin (6) is fixed with thrust disc (7), the pin shank portion of self-lock pin (6) from the surface of the protrusion circle stretched out after the central part of thrust spring (8) passes the surface of Holder joint (3) or load bearing 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 in that the thrust disc (7) of self-lock pin (6) is upper, the other end withstands on self-locking hole (5);

Described self-locking hole (5) can also be independent hole, the housing with the mating shapes of self-locking hole (5) is inlaid with in self-locking hole (5), when housing exposes the damaged surface of cylinder in self-locking hole (5), the one end of exposing the damaged surface of cylinder connects with screw or rivets or be welded on the damaged surface of cylinder; When housing does not expose the damaged surface of cylinder in self-locking hole (5), 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 mid portion 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 load bearing seat (1) that pin shank portion crosses out Holder joint (3); 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 roofbolt (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 thrust disc (7) 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 trapezoidal annular groove lower than the cross section of male cone (strobilus masculinus) (10), and the male cone (strobilus masculinus) (10) at roofbolt (2) two ends is upper to be coordinated with self-lock pin (6) and completes self-locking; The annular locking face of annular lock groove (9) be annular lock groove (9) near roofbolt (2) end one side, be the facing directly of annular, central axis with roofbolt (2), and corresponding with the position of self-locking hole (5); Described locking face is used for coordinating with facing directly of the locking 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 bar connect post and roofbolt (2) fixation and load bearing seat (1) with roofbolt (2) fixation;

The inner conical surface (11) of described Inner taper hole (12) coordinates with male cone (strobilus masculinus) (10) and installs roofbolt (2) and bar connects post, realize load bearing seat (1) and connect the fixing fast of post with roofbolt (2) is fixing fast with roofbolt (2) and bar, be beneficial to roofbolt (2) and connect the quick assembling of post and load bearing seat (1) and quick demolition with bar, play Fast Installation and effect fixing fast; And then make load bearing seat (1) and roofbolt (2) and roofbolt (2) and Holder joint (3) fixation respectively;

In order to increase connectivity robustness and the stability of tandem electric pole, improve the speed of installation and demolition, described roofbolt (2) and load bearing seat (1) and roofbolt (2) and bar connect connection between post and fixingly all adopt cone match, are beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) (10) of roofbolt (2), in the Inner taper hole (12) of load bearing 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 load bearing seat (1) of locking roofbolt (2); The male cone (strobilus masculinus) (10) of roofbolt (2), in the Inner taper hole (12) of Holder joint (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 Holder joint (3) of locking roofbolt (2); During assembling, inner conical surface (11) and male cone (strobilus masculinus) (10) are at the gravity born and press tighter and tighter under roofbolt (2) and bar connect the effect of the self gravitation of post and realize automatic fastening; During demolition, pull the 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), roofbolt (2) upwards one argue for the sake of arguing post (2) automatically will separate with Inner taper hole (12) or barre connect post upwards a post (2) of arguing for the sake of arguing automatically will separate with Inner taper hole (12);

The conical surface comprises inner conical surface (11) and male cone (strobilus masculinus) (10), and the cross section of the conical surface is the circular conical surface, or the polygonal conical surface, or the conical surface of circular arc, or the special-shaped conical surface that circular arc and line segment form;

In order to can on ground upper support bar post (2) having angle of inclination, when holder (16) is laid on a horizontal ground, the central axis of load bearing seat (1), in holder (16), ensure that the verticality being arranged on roofbolt (2) on load bearing seat (1) and horizontal plane; When holder (16) is placed on the ground of inclination, load bearing seat (1) can rotate certain angle around connecting axle (15) on holder (16), ensure that the verticality being arranged on roofbolt (2) on load bearing seat (1) and horizontal plane;

Connecting axle (15) is adopted to be fastened on Connection Block (17) on holder (16) and load bearing seat (1), make load bearing seat (1) certain angle can be rotated around connecting axle (15) on holder (16), reach when holder (16) is placed on the ground of inclination and ensure that the roofbolt (2) be arranged on load bearing seat (1) keeps the object perpendicular to horizontal plane;

In order to enable tandem electric pole assemble fast, holder (16), Connection Block (17), connecting axle (15) and load bearing seat (1) can also be the entirety fitted together;

Tandem electric pole is when assembling, holder is fixed on foundation base, afterwards, A, Connection Block (17) to be fixed on above holder (16), then load bearing seat (1) is connected to above Connection Block (17) by connecting axle (15) and Connection Block (17), B, again the male cone (strobilus masculinus) of roofbolt (2) (10) insert load bearing seat (1) Inner taper hole (12) in, under the effect of self gravitation, the male cone (strobilus masculinus) (10) of roofbolt (2) and the inner conical surface (11) of load bearing seat (1) are naturally fitted and fix, and the gravity depressed from cylinder is larger, 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 roofbolt (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 roofbolt (2) contacts firm with the inner conical surface (11) of the Inner taper hole (12) of load bearing 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 roofbolt (2) and the fixing of load bearing seat (1) and locking, C, point-blank whether the center line of vertical bar of observation gravity cone (19) and the parallel lines of the center line of roofbolt (2), time not point-blank, the upper end of moving the roofbolt (2) inserted on load bearing seat (1) makes the parallel lines of the center line of roofbolt (2) and gravity bore the center line of the vertical bar of (19) point-blank, the lock bolt (18) be rotationally connected again on seat (17) compresses the lower part of load bearing seat (1), load bearing seat (1) can not be rotated around connecting axle (15), holder (16) is allowed to remain unchanged with the angle of load bearing seat (1), guarantee is arranged on column vertical above load bearing seat (1) in horizontal plane, time point-blank, the lock bolt (18) be just directly rotationally connected on seat (17) compresses the lower part of load bearing seat (1), load bearing seat (1) can not be rotated around connecting axle (15), allow holder (16) remain unchanged with the angle of load bearing seat (1), ensure that the column vertical be arranged on above load bearing seat (1) is in horizontal plane, male cone (strobilus masculinus) (10) the upper cover upper boom of the upper end of D, roofbolt (2) again on load bearing seat (1) connects the Holder joint (3) of post, under the effect of the gravity of self gravitation and carrying, the male cone (strobilus masculinus) (10) of roofbolt (2) and the inner conical surface (11) of Holder joint (3) are naturally fitted and fix, and it is larger to connect from bar the gravity that post depresses, and it is closely and more more firm that inner conical surface (11) and male cone (strobilus masculinus) (10) are fitted, afterwards, again male cone (strobilus masculinus) (10) insertion rod of roofbolt (2) is connect in the internal taper hole of post upper end, under the effect of the gravity of self gravitation and carrying, the male cone (strobilus masculinus) (10) of roofbolt (2) and the inner conical surface (11) of Holder joint (3) are naturally fitted and fix, and larger from the gravity of roofbolt (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) male cone (strobilus masculinus) (10) that is upper and roofbolt (2) being enclosed within roofbolt (2) upper end at the internal taper hole of Holder joint (3) 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 inner conical surface (11) that male cone (strobilus masculinus) (10) and the bar of roofbolt (2) connects the Inner taper hole (12) of post contacts firm, 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 roofbolt (2) of E, employing multilayer forms tandem electric pole, it is upper or again inserted in the Inner taper hole (12) of Holder joint (3) below by the male cone (strobilus masculinus) (10) of another root roofbolt (2) that Holder joint (3) can be enclosed within the male cone (strobilus masculinus) (10) of roofbolt (2) by step and method again that repeat D step, completes roofbolt (2) and bar connects being connected and fixed and locking between post, finally, uppermost roofbolt fixes porcelain vase, roofbolt (2) is very convenient with the assembling of load bearing seat (1) and roofbolt (2) and Holder joint (3), just can complete without any need for instrument,

2. tandem electric pole according to claim 1, 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 tandem electric pole, holder (16), fore-set (4) and roofbolt (2) are solid or hollow body, it is individual layer or multilayer that roofbolt (2) and bar connect post in the combination of tandem electric pole, and holder (16) is individual layer in the combination of tandem electric pole.

3. tandem electric pole according to claim 1, it is characterized in that: in order to ensure that roofbolt (2) is all the time perpendicular to horizontal plane, adopt lock bolt (18) to produce frictional force by rotation forces load bearing seat (1) and Connection Block (17) and fix load bearing seat (1) and the angle angle of holder (16), when holder (16) is placed on the ground of inclination, ensure that the roofbolt (2) be arranged on load bearing seat (1) remains perpendicular to horizontal plane;

Bore (19) to make gravity can remain perpendicular to horizontal plane, the taper shank of described gravity cone (19), in the upper end of vertical bar, makes gravity bore the position of center of gravity lower than taper shank of (19).

4. tandem electric pole according to claim 1, is characterized in that: for the ease of using and depositing, and described tandem electric pole is when needs use, and its all composition accessory can be combined into ladder; The not used time, its all composition accessory can both be dismantled, and is convenient to packaging and storing;

In order to reduce the consumption of tandem electric pole and be convenient to store and keeping, all building blocks of described tandem electric pole can be reused;

Conveniently transport, roofbolt (2), holder (16) and load bearing seat (1) can be dismantled completely and become independent parts, are beneficial to packaging and transport.

5. tandem electric pole according to claim 1, is characterized in that: described tandem electric pole simple for structure, manufactures, installs and use very convenient; Do not need instrument in an assembling process, the speed of assembling wire bar is fast, convenient, safe and reliable, reduces cost of production and use cost.

6. a manufacture method for tandem electric pole, is characterized in that:

During fabrication, holder (16), Connection Block (17), load bearing seat (1), roofbolt (2) and bar connect the plastics manufacture that post adopts metal material or high strength, and holder (16), roofbolt (2) and fore-set (4) create hollow body or solid; Holder (16), Connection Block (17), load bearing seat (1), roofbolt (2) and bar connect post when adopting the metal material that gets rusty easily to manufacture, after manufacture is good, want rust prevention by applying liquid material paint antirust;

Described holder (16) creates the pedestal of dish type or bar shaped cross-like, and the middle part of the middle part of dish type or bar shaped cross-like is fixed with Connection Block (17);

Described Connection Block (17) creates the pedestal supporting and install connecting axle (15), and the upper manufacture of Connection Block (17) has pin-and-hole (14) and locking screw;

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

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

Described holder (16) and Connection Block (17) manufacture as a whole, or the formation entirety that is fixed together after separately manufacturing;

Connecting axle (15) creates pivot pin or bolt, is fixed on Connection Block (17) and is above connected with load bearing seat (1);

Described load bearing seat (1) creates Connection Block (17), lower part manufacture has horizontal pin-and-hole (14), the upper end of upper part manufactures Inner taper hole (12), internal taper hole creates the hole of tapering, below Inner taper hole (12) or the inside manufacture have mesopore (21), Inner taper hole (12) is directly through with mesopore (21), manufactures self-locking hole (5) between the surface of load bearing seat (1) upper part and Inner taper hole (12); The center line of described pin-and-hole (14) and the central axis of Inner taper hole (12); Having to live in the outside manufacture of Inner taper hole (12) part of load bearing seat (1) and turning hole, work being turned hole and creates circular hole, gravity cone (19) is installed in circular hole; Being connected with Connection Block (17) below by connecting axle (15) of load bearing seat (1), the Inner taper hole (12) that passes through above of load bearing seat (1) coordinates with the male cone (strobilus masculinus) (10) of roofbolt (2) and is connected and fixes;

Described gravity cone (19) creates the vertical bar with taper shank, and taper shank is vertical with vertical bar, and taper shank inserts to live and turns fixing in hole and turn in hole can freely rotate alive;

Described holder (16), Connection Block (17), connecting axle (15) and load bearing seat (1) can also be assembled into the entirety of a combination, are beneficial to rapid-assembling tandem electric pole;

Described roofbolt (2) creates the cylinder that there are male cone (strobilus masculinus) (10) at two ends, has annular lock groove (9 in the mid portion manufacture of the male cone (strobilus masculinus) (10) at cylinder two ends;

Described bar connects post and creates Holder joint (3) and fore-set (4) two parts, the two ends that fore-set (4) is manufactured on the centre of Holder joint (3), Holder joint (3) is manufactured on fore-set (4); Described bar connects post and creates Holder joint (3) and to be fixed together at roofbolt (2) two ends and roofbolt (2) entirety formed, or Holder joint (3) is manufactured on roofbolt (2) two ends and is connected with roofbolt (2); The end face that described bar connects the two ends of post has all manufactured Inner taper hole (12), Inner taper hole (12) creates the hole of tapering, manufacture in the inside of Inner taper hole (12) and have mesopore (21), between the surface of Holder joint (3) and Inner taper hole (12), manufacture 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 cylinder; The leading section of described locking head create acute angle bevel with face directly composition shape, to create towards the one side of mesopore (21) and face directly;

Described self-locking hole (5) is manufactured between the surface on load bearing seat (1) top and Inner taper hole (12) and is manufactured between Holder joint (3) surface of roofbolt (2) and Inner taper hole (12), communicate with internal taper hole, corresponding with the position of the annular lock groove (9) on male cone (strobilus masculinus) (10); Thrust disc (7), thrust spring (8) and self-lock pin (6) are installed in self-locking hole (5), the middle part of self-lock pin (6) is fixed with thrust disc (7), the pin shank portion of self-lock pin (6) from the surface of the protrusion circle stretched out after the central part of thrust spring (8) passes the surface of Holder joint (3) or load bearing 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 in that the thrust disc (7) of self-lock pin (6) is upper, the other end withstands on self-locking hole (5);

Described self-locking hole (5) can also create independent hole, the housing with the mating shapes of self-locking hole (5) can also be inlaid with in the self-locking hole (5) manufactured separately, when housing exposes the damaged surface of cylinder in self-locking hole (5), the one end of exposing the damaged surface of cylinder connects with screw or rivets or be welded on the damaged surface of cylinder; When housing does not expose the damaged surface of cylinder in self-locking hole (5), 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 solid or hollow card, or creates a projection on self-lock pin (6); When described thrust disc (7) creates middle porose 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);

Thrust spring (8) creates helical spring;

The cross section that annular lock groove (9) causes lower than male cone (strobilus masculinus) (10) is trapezoidal annular groove, the male cone (strobilus masculinus) (10) being manufactured on roofbolt (2) two ends above coordinates with self-lock pin (6) and completes self-locking, corresponding with the position of self-locking hole (5), the one side of annular groove near roofbolt (2) end causes locking face;

The connection of roofbolt (2) and load bearing seat (1) and roofbolt (2) and Holder joint (3) and fix and 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 circular conical surface, or creates the polygonal conical surface, or creates the conical surface of circular arc, or creates the special-shaped conical surface that circular arc and line segment form;

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

Described holder (16) is fixed with Connection Block (17), connecting axle (15) connects Connection Block (17) and load bearing seat (1), and load bearing seat (1) has installed gravity cone (19), lock bolt (18) exceedes the lock bolt (18) of locking screw screw end after screwing in the locking screw on Connection Block (17) is pressed in lower part locking load bearing seat (1) of load bearing seat (1) and the fit angle of holder (16), the Inner taper hole (12) of described load bearing seat (1) coordinates with the male cone (strobilus masculinus) (10) of roofbolt (2) and fixes, the male cone (strobilus masculinus) (10) of roofbolt (2) coordinates with the inner conical surface (11) of the Inner taper hole (12) of Holder joint (3) and fixes, and 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, manufacture in the outside of Inner taper hole (12) part of load bearing seat (1) that having lives turns hole, the taper shank of the upper end of gravity cone (19) inserts to live and to turn in hole fixing and turns in hole and can freely rotate living, Inner taper hole (12) is had in Holder joint (3) end that bar connects the two ends of post, the male cone (strobilus masculinus) (10) of two roofbolts (2) inserts in the Inner taper hole (12) that a bar connects in the Holder joint (3) at post two ends respectively, coordinate by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of roofbolt (2) 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 Holder joint (3), porcelain insulator is fixed with at the upper part of a uppermost roofbolt (2) of the electric pole assembled.