CN204754736U - Circuit maintenance ladder - Google Patents
Circuit maintenance ladder Download PDFInfo
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- CN204754736U CN204754736U CN201520507244.9U CN201520507244U CN204754736U CN 204754736 U CN204754736 U CN 204754736U CN 201520507244 U CN201520507244 U CN 201520507244U CN 204754736 U CN204754736 U CN 204754736U
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- hole
- cleat stanchion
- load bearing
- bearing seat
- locking bar
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Abstract
The utility model provides a circuit maintenance ladder is fixed with the connecting seat on its fixing base, pinhole and the pinhole of load bearing seat lower part that the connecting axle passed on the connecting seat link together connecting seat and load bearing seat, the gravity awl is installed with outer cone combined with and through the breaker slot automatic locking was extremely laminated with the cooperation of braking head the interior conical surface and male cone (strobilus masculinus) to interior taper hole on the load bearing seat, ladder is fixed with step board. Circuit maintenance ladder's structure is succinct, makes, installs and use ten minutes convenience, has solved the difficult problem that high voltage transmission lines maintenance personal upright scrambleed and stood, assembles circuit maintenance ladder's fast, convenient, safe and reliable during the climbing, and it is convenient to scramble moreover, use the back, it is convenient to dismantle, pack and transport, has reduced manufacturing cost and use cost.
Description
Technical field
The utility model relates to a kind of maintenance circuit ladder for overhauling delivery circuit.
Background technology
Near the conveying circuit of high-tension electricity plant be implanted with trees, along with the growth of trees, its limb from high-voltage line very close to, sometimes even contact with high-voltage line, need the limb of artificial pruning trees to protect high-tension line; Because not upright climbing is to the instrument of the height of branch, the way of high-tension line maintenance personal is that whole for trees is cut down, and compromises green environment, is unfavorable for environmental protection.When the maintenance of high-voltage line, first maintainer climbs up electric pole, then climbs up high-voltage line, stands in or lie prone to check on high-voltage line and to be fastenedly connected nut, but high-voltage line is unstable, often causes maintenance accident.
Summary of the invention
The object that the utility model relates to is to provide a kind of maintenance circuit ladder being easy to Rapid Combination and quick-detachment.
For achieving the above object, maintenance circuit ladder described in the utility model mainly comprises holder, Connection Block, lock bolt, connecting axle, load bearing seat, gravity cone, cleat stanchion, connector, self-locking device, male cone (strobilus masculinus), Inner taper hole, inner conical surface.
Described maintenance circuit ladder adopts single column support type, and holder and Connection Block, load bearing seat, cleat stanchion and connector are combined into single-column tandem, and the carrier carrying the weight that cleat stanchion and connector and cleat stanchion and connector bear is holder; When installing cleat stanchion, holder and the cradle head of the setting angle of load bearing seat can be regulated to be the Connection Block that is connected of connecting axle and load bearing seat.
Described holder is fixed with Connection Block, Connection Block there are pin-and-hole and locking screw, connecting axle links together Connection Block and load bearing seat through the pin-and-hole of the pin-and-hole on Connection Block and load bearing seat bottom, and lock bolt exceedes the lock bolt of locking screw screw end after screwing in the locking screw on Connection Block is pressed in the lower part locking load bearing seat of load bearing seat and the fit angle of holder.Inner taper hole is had above described load bearing seat, load bearing seat is coordinated with the male cone (strobilus masculinus) of cleat stanchion lower end by Inner taper hole and is fixed, and coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with the brake head be arranged in cleat stanchion by the breaker slot on the locking bar bottom the mesopore that is fixed on load bearing seat, being provided with in the outside of the Inner taper hole part of load bearing seat lives turns hole, and the taper shank of the upper end of gravity cone inserts to live and to turn in hole fixing and turns in hole and can freely rotate living.Inner taper hole is had at the two ends of connector, the male cone (strobilus masculinus) of two cleat stanchions inserts in the Inner taper hole at connector two ends respectively, coordinated with the male cone (strobilus masculinus) of cleat stanchion by Inner taper hole and fix, and being coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with the brake head be arranged in cleat stanchion by the breaker slot on the locking bar bottom the mesopore that is fixed on connector.Cleat stanchion is fixed with riding boogie board.
In the Inner taper hole of the male cone (strobilus masculinus) insertion load bearing seat of described cleat stanchion lower end or in the Inner taper hole of the connector of insertion connector upper end, the male cone (strobilus masculinus) of cleat stanchion upper end inserts in the Inner taper hole of the connector of connector lower end, the sliding eye of male cone (strobilus masculinus) end is enclosed within locking bar, breaker slot on locking bar coordinates with the brake head of banking pin and locks locking bar and do not slide, and then locks coordinating of inner conical surface and male cone (strobilus masculinus).
Described self-locking device comprises brake hole, banking pin, thrust spring, locking bar, sliding eye, breaker slot, thrust spring and banking pin are installed in described brake hole, banking pin stretches out the surface of cleat stanchion from the central part of thrust spring through one end of back handle, one end of brake head is stretched in sliding eye and coordinated with the breaker slot locking bar, and one end of thrust spring is pressed on the brake head of banking pin, the other end withstands on brake hole or withstand on the jump ring that is fixed in brake hole; Described locking bar has breaker slot, and breaker slot coordinates the inner conical surface and male cone (strobilus masculinus) that are automatically locked and post with the brake head of banking pin.
Described holder fixed connecting base, stable and support cleat stanchion and bear all wt that Connection Block bears; Skid-proof rubber is had at the partial fixing of holder and earth surface.
Described Connection Block supports and installs the pedestal of connecting axle, Connection Block has pin-and-hole and locking screw, and pin-and-hole is for installing with fixed connection shaft and bearing all wt that connecting axle bears.
Near the pin-and-hole of described locking screw on Connection Block.
Described load bearing seat is Connection Block, lower part has horizontal pin-and-hole, and there is Inner taper hole the upper end of upper part, and there is mesopore below Inner taper hole or the inside, and Inner taper hole and mesopore are directly through, is fixed with locking bar at the middle part of the bottom of mesopore; The center line of described pin-and-hole and the central axis of Inner taper hole; Being provided with work in the outside of the Inner taper hole part of load bearing seat and turning hole, it is circular hole that work turns hole, lives in turning in hole in being provided with gravity cone; Being connected with Connection Block below by connecting axle of load bearing seat, be connected with cleat stanchion by Inner taper hole above.
Described gravity cone is the vertical bar with taper shank, and taper shank is vertical with vertical bar, and taper shank inserts to live and turns fixing in hole and turn in hole can freely rotate alive.
Described cleat stanchion is the cylinder that there is male cone (strobilus masculinus) at two ends, and the end face at cleat stanchion two ends has sliding eye, and sliding eye stretches in the cylinder of cleat stanchion in the end of cleat stanchion, in the cylinder of the cleat stanchion near male cone (strobilus masculinus), have brake hole wear out the surface of cylinder and communicate with sliding eye.
The end face at the two ends of described connector has Inner taper hole, and there is mesopore the inside of Inner taper hole, is fixed with locking bar in the bottom of mesopore.
Described banking pin comprises brake head, middle part and handle three part, and three parts are connected, and banking pin is through after thrust spring in brake hole, and brake head enters in sliding eye and coordinates with the breaker slot on locking bar, and handle portion stretches out the damaged surface of cleat stanchion; Described brake head towards the one side on locking bar top be face directly, towards the one side of locking bar fixed end be arcwall face or acute angle bevel, arcwall face or acute angle bevel retreat for allowing the oblique promotion brake head in the leading section of locking bar, and the one side faced directly for the right-angle side with breaker slot coordinates locked locking bar.
Described locking bar is cylinder, is fixed on the bottom of the mesopore inside Inner taper hole, and locking bar can slide at sliding eye, and locking bar has breaker slot.Described breaker slot is the groove of right triangular shape or the inclined-plane of right-angled triangle is changed into the groove of arc-shaped side, corresponding with the position of brake head on locking bar; The groove top of described right-angled triangle groove is acute angle, one side before breaker slot be right-angle side face, be locking face, locking face coordinates can stand fast by locking locking bar with facing directly of brake head, and the one side of hypotenuse coordinates with the inclined-plane of brake head end and limits the degree of depth that brake head inserts breaker slot.
Described sliding eye is bearing bore in the end of cleat stanchion or through hole, communicates with brake hole.
Described brake hole is worn out the surface of cylinder and is communicated with sliding eye in the cleat stanchion near male cone (strobilus masculinus), corresponding with the position of the breaker slot on locking bar.Thrust spring and banking pin are installed in brake hole, the handle portion of banking pin inserts in sliding eye from stretching out the surface of cleat stanchion, the brake head of banking pin after the central part of thrust spring passes or inserts in the breaker slot locking bar after stretching out brake hole, thrust spring is arranged on the middle part of banking pin, and one end of thrust spring is pressed on the brake head of banking pin, the other end withstands on brake hole.
Described riding boogie board comprises ear seat and foot hold, and ear seat is fixed on cleat stanchion, and foot hold is fixed on the top-direction be merely able to ladder on ear seat by pivot pin and draws in; On foot hold, cover has antiskid glue sleeve or be fixed with skid-proof rubber above foot hold, landing when antiskid glue sleeve and skid-proof rubber can prevent pin from stepping down on foot hold.
In order to support cleat stanchion on the ground having angle of inclination, when holder is laid on a horizontal ground, the central axis of load bearing seat, in holder, ensure that the verticality being arranged on cleat stanchion on load bearing seat and horizontal plane; When holder is placed on the ground of inclination, load bearing seat can rotate certain angle around connecting axle on holder, ensure that the verticality being arranged on cleat stanchion on load bearing seat and horizontal plane.
Connecting axle is adopted to be fastened on Connection Block on holder and load bearing seat, make load bearing seat can rotate certain angle around connecting axle on holder, reach when holder is placed on the ground of inclination and ensure that the cleat stanchion be arranged on load bearing seat keeps the object perpendicular to horizontal plane.
In order to enable maintenance circuit ladder assemble fast, holder, Connection Block, connecting axle and load bearing seat can also be the entirety fitted together.
In order to reduce costs and alleviate the weight of maintenance circuit ladder, described holder and cleat stanchion are hollow body or solid; Described cleat stanchion and connector are individual layer or multilayer in the combination of maintenance circuit ladder, and holder is individual layer in the combination of maintenance circuit ladder.
In order to ensure that cleat stanchion is all the time perpendicular to horizontal plane, adopt lock bolt to produce by rotation forces load bearing seat and Connection Block the angle angle that frictional force fixes load bearing seat and holder, when holder is placed on the ground of inclination, ensure that the cleat stanchion be arranged on load bearing seat remains perpendicular to horizontal plane.
Bore to make gravity and can remain perpendicular to horizontal plane, the taper shank of described gravity cone is in the upper end of vertical bar, and the center of gravity that gravity is bored is lower than the position of taper shank.
The utility model maintenance circuit ladder simple for structure, manufacture, install and use very convenient, maintenance circuit ladder does not need instrument in assembly and disassembly process, solve the difficult problem that high-tension line maintenance personal uprightly climbs and stands, during climbing, the speed of assembling circuit maintenance ladder is fast, convenient, safe and reliable, and climbing is convenient; After using, dismounting, packaging and convenient transportation, reduce cost of production and use cost.
Accompanying drawing explanation
Fig. 1 is the package assembly schematic diagram of maintenance circuit ladder.
Fig. 2 is the structural representation of cleat stanchion.
Fig. 3 is the structural representation of connector.
Fig. 4 is the cross-sectional schematic of load bearing seat.
Fig. 5 is the surface structure schematic diagram that load bearing seat and holder combine.
Shown in figure: load bearing seat 1, cleat stanchion 2, connector 3, locking bar 4, brake hole 5, banking pin 6, thrust spring 7, mesopore 8, sliding eye 9, male cone (strobilus masculinus) 10, inner conical surface 11, Inner taper hole 12, riding boogie board 13, pin-and-hole 14, connecting axle 15, holder 16, Connection Block 17, lock bolt 18, gravity cone 19.
Detailed description of the invention
The utility model maintenance circuit ladder mainly comprises holder 16, Connection Block 17, lock bolt 18, connecting axle 15, load bearing seat 1, gravity cone 19, cleat stanchion 2, connector 3, self-locking device, male cone (strobilus masculinus) 10, Inner taper hole 12, inner conical surface 11.
Described maintenance circuit ladder adopts single column support type, and holder 16 and Connection Block 17, load bearing seat 1, cleat stanchion 2 and connector 3 are combined into single-column tandem, and the carrier of the weight that carrying cleat stanchion 2 and connector 3 and cleat stanchion 2 and connector 3 bear is holder 16; When installing cleat stanchion 2, holder 16 and the cradle head of the setting angle of load bearing seat 1 can be regulated to be the Connection Block 17 that is connected of connecting axle 15 and load bearing seat 1.
Described holder 16 is fixed with Connection Block 17, Connection Block 17 there are pin-and-hole 14 and locking screw, connecting axle 15 links together Connection Block 17 and load bearing seat 1 through the pin-and-hole 14 of the pin-and-hole 14 on Connection Block 17 and load bearing seat 1 bottom, and lock bolt 18 exceedes the lock bolt 18 of locking screw screw end after screwing in the locking screw on Connection Block 17 is pressed in the lower part locking load bearing seat 1 of load bearing seat 1 and the fit angle of holder 16.Inner taper hole 12 is had above described load bearing seat 1, load bearing seat 1 is coordinated with the male cone (strobilus masculinus) 10 of cleat stanchion 2 lower end by Inner taper hole 12 and fixes, and coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post with the brake head be arranged in cleat stanchion 2 by the breaker slot on the locking bar 4 bottom the mesopore 8 that is fixed on load bearing seat 1, being provided with in the outside of Inner taper hole 12 part of load bearing seat 1 lives turns hole, and the taper shank of the upper end of gravity cone 19 inserts to live and to turn in hole fixing and turns in hole and can freely rotate living.Inner taper hole 12 is had at the two ends of connector 3, the male cone (strobilus masculinus) 10 of two cleat stanchions 2 inserts in the Inner taper hole 12 at connector 3 two ends respectively, coordinated with the male cone (strobilus masculinus) 10 of cleat stanchion 2 by Inner taper hole 12 and fix, and being coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post with the brake head be arranged in cleat stanchion 2 by the breaker slot on the locking bar 4 bottom the mesopore 8 that is fixed on connector 3.Cleat stanchion 2 is fixed with riding boogie board 13.
In the Inner taper hole 12 that the male cone (strobilus masculinus) 10 of described cleat stanchion 2 lower end inserts load bearing seat 1 or insert in the Inner taper hole 12 of connector 3 of connector 3 upper end, the male cone (strobilus masculinus) 10 of cleat stanchion 2 upper end inserts in the Inner taper hole 12 of the connector 3 of connector 3 lower end, the sliding eye 9 of male cone (strobilus masculinus) 10 end is enclosed within locking bar 4, breaker slot on locking bar 4 coordinates with the brake head of banking pin 6 and locks locking bar 4 and do not slide, and then locks coordinating of inner conical surface 11 and male cone (strobilus masculinus) 10.
Described self-locking device comprises brake hole 5, banking pin 6, thrust spring 7, locking bar 4, sliding eye 9, breaker slot, thrust spring 7 and banking pin 6 are installed in described brake hole 5, banking pin 6 stretches out the surface of cleat stanchion 2 from the central part of thrust spring 7 through one end of back handle, one end of brake head is stretched in sliding eye 9 and coordinated with the breaker slot locking bar 4, and one end of thrust spring 7 is pressed on the brake head of banking pin 6, the other end withstands on brake hole 5 or withstand on the jump ring that is fixed in brake hole 5; Described locking bar 4 has breaker slot, and breaker slot coordinates the inner conical surface 11 and male cone (strobilus masculinus) 10 that are automatically locked and post with the brake head of banking pin 6.
Described holder 16 fixed connecting base 17, stable and support cleat stanchion 2 and bear all wt that Connection Block 17 bears; Skid-proof rubber is had at holder 16 and the partial fixing of earth surface.
Described Connection Block 17 supports and installs the pedestal of connecting axle 15, Connection Block 17 has pin-and-hole 14 and locking screw, and pin-and-hole 14 is for installing with fixed connection shaft 15 and bearing all wt that connecting axle 15 bears.
Near the pin-and-hole 14 of described locking screw on Connection Block 17.
Described load bearing seat 1 is Connection Block 17, lower part has horizontal pin-and-hole 14, the upper end of upper part has below Inner taper hole 12, Inner taper hole 12 or there is mesopore 8 the inside, Inner taper hole 12 is directly through with mesopore 8, is fixed with locking bar 4 at the middle part of the bottom of mesopore 8; The center line of described pin-and-hole 14 and the central axis of Inner taper hole 12; Being provided with work in the outside of Inner taper hole 12 part of load bearing seat 1 and turning hole, it is circular hole that work turns hole, lives in turning in hole in being provided with gravity cone 19; Being connected with Connection Block 17 below by connecting axle 15 of load bearing seat 1, be connected with cleat stanchion 2 by Inner taper hole 12 above.
Described gravity cone 19 is the vertical bars with taper shank, and taper shank is vertical with vertical bar, and taper shank inserts to live and turns fixing in hole and turn in hole can freely rotate alive.
Described cleat stanchion 2 is cylinders that there is male cone (strobilus masculinus) 10 at two ends, the end face at cleat stanchion 2 two ends has sliding eye 9, sliding eye 9 stretches in the cylinder of the end of cleat stanchion 2 toward cleat stanchion 2, in the cylinder of the cleat stanchion 2 near male cone (strobilus masculinus) 10, have brake hole 5 wear out the surface of cylinder and communicate with sliding eye 9.
The end face at the two ends of described connector 3 has the inside of Inner taper hole 12, Inner taper hole 12 to have mesopore 8, is fixed with locking bar 4 in the bottom of mesopore 8.
Described banking pin 6 comprises brake head, middle part and handle three part, and three parts are connected, and banking pin 6 is through after thrust spring 7 in brake hole 5, and brake head enters in sliding eye 9 and coordinates with the breaker slot on locking bar 4, and handle portion stretches out the damaged surface of cleat stanchion 2; Described brake head towards the one side on locking bar 4 top be face directly, towards the one side of locking bar 4 fixed end be arcwall face or acute angle bevel, arcwall face or acute angle bevel retreat for allowing the oblique promotion brake head in the leading section of locking bar 4, and the one side faced directly for the right-angle side with breaker slot coordinates locked locking bar 4.
Described locking bar 4 is cylinders, and be fixed on the bottom of the mesopore 8 inside Inner taper hole 12, locking bar 4 can slide at sliding eye 9, and locking bar 4 has breaker slot.Described breaker slot is the groove of right triangular shape or the inclined-plane of right-angled triangle is changed into the groove of arc-shaped side, corresponding with the position of brake head on locking bar 4; The groove top of described right-angled triangle groove is acute angle, one side before breaker slot be right-angle side face, be locking face, locking face coordinates can stand fast by locking locking bar 4 with facing directly of brake head, and the one side of hypotenuse coordinates with the inclined-plane of brake head end and limits the degree of depth that brake head inserts breaker slot; Described breaker slot is used for coordinating with brake head and producing locking effect, then the locked inner conical surface 11 that posts and male cone (strobilus masculinus) 10, and then makes connector 3 and cleat stanchion 2 and load bearing seat 1 and cleat stanchion 2 fixation.
Described sliding eye 9 is bearing bore in the end of cleat stanchion 2 or through hole, communicates, for holding locking bar 4 and allowing locking bar 4 slide in sliding eye 9 with brake hole 5.
Described brake hole 5 is worn out the surface of cylinder and is communicated with sliding eye 9 in the cleat stanchion 2 near male cone (strobilus masculinus) 10, corresponding with the position of the breaker slot on locking bar 4.Thrust spring 7 and banking pin 6 are installed in brake hole 5, the handle portion of banking pin 6 from stretching out the surface of cleat stanchion 2 after the central part of thrust spring 7 passes, the brake head of banking pin 6 inserts in sliding eye 9 after stretching out brake hole 5 or inserts in the breaker slot locking bar 4, thrust spring 7 is arranged on the middle part of banking pin 6, and one end of thrust spring 7 is pressed on the brake head of banking pin 6, the other end withstands on brake hole 5.
Described riding boogie board 13 comprises ear seat and foot hold, and ear seat is fixed on cleat stanchion 2, and foot hold is fixed on the top-direction be merely able to ladder on ear seat by pivot pin and draws in; On foot hold, cover has antiskid glue sleeve or be fixed with skid-proof rubber above foot hold, landing when antiskid glue sleeve and skid-proof rubber can prevent pin from stepping down on foot hold.
In order to support cleat stanchion 2 on the ground having angle of inclination, when holder 16 is laid on a horizontal ground, the central axis of load bearing seat 1, in holder 16, ensure that the verticality being arranged on cleat stanchion on load bearing seat 12 and horizontal plane; When holder 16 is placed on the ground of inclination, load bearing seat 1 can rotate certain angle around connecting axle 15 on holder 16, ensure that the verticality being arranged on cleat stanchion on load bearing seat 12 and horizontal plane.
Connecting axle 15 is adopted to be fastened on Connection Block 17 on holder 16 and load bearing seat 1, make load bearing seat 1 can rotate certain angle around connecting axle 15 on holder 16, reach when holder 16 is placed on the ground of inclination and ensure that the cleat stanchion 2 be arranged on load bearing seat 1 keeps the object perpendicular to horizontal plane.
In order to reduce costs and alleviate the weight of maintenance circuit ladder, described holder 16 and cleat stanchion 2 are hollow body or solid; Described cleat stanchion 2 and connector 3 are individual layer or multilayer in the combination of maintenance circuit ladder, and holder 16 is individual layer in the combination of maintenance circuit ladder.
In order to ensure that cleat stanchion 2 is all the time perpendicular to horizontal plane, adopt lock bolt 18 to produce frictional force by rotation forces load bearing seat 1 and Connection Block 17 and fix load bearing seat 1 and the angle angle of holder 16, when holder 16 is placed on the ground of inclination, ensure that the cleat stanchion 2 be arranged on load bearing seat 1 remains perpendicular to horizontal plane.
Bore 19 to make gravity can remain perpendicular to horizontal plane, the taper shank of described gravity cone 19, in the upper end of vertical bar, makes the position of center of gravity lower than taper shank of gravity cone 19.
Maintenance circuit ladder, when assembling, A, to be fixed on Connection Block 17 above holder 16, then load bearing seat 1 is connected to above Connection Block 17 by connecting axle 15 and Connection Block 17.B, again one end of cleat stanchion 2 insert load bearing seat 1 Inner taper hole 12 in, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of cleat stanchion 2 is naturally fitted with the inner conical surface 11 of load bearing seat 1 and fixes, and larger from the gravity of cleat stanchion 2 pressure, and it is closely and more more firm that inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted; When the male cone (strobilus masculinus) 10 of cleat stanchion 2 inserts Inner taper hole 12, locking bar 4 is inserted in sliding eye 9, when locking bar 4 enters into the position of brake head, the leading section of locking bar 4 pushes the arcwall face of locking head or acute angle bevel oblique promotion brake head compression thrust spring 7 and outwards makes a concession, and the front end of locking bar 4 passes through the position of brake head; When locking bar 4 is through after brake head, when the male cone (strobilus masculinus) 10 of cleat stanchion 2 contacts firm with the inner conical surface 11 of the Inner taper hole 12 of load bearing seat 1, brake head enters in the breaker slot on locking bar 4 under the powered of thrust spring 7, facing directly of brake head coordinates locked locking bar 4 to stand fast with the one side of lock groove right-angle side, the inner conical surface 11 of laminating and male cone (strobilus masculinus) 10 locked, complete cleat stanchion 2 and the fixing of load bearing seat 1 and locking.Point-blank whether the parallel lines of C, the center line of vertical bar observing gravity cone 19 and the center line of cleat stanchion 2, time not point-blank, the upper end of moving the cleat stanchion 2 inserted on load bearing seat 1 makes the parallel lines of the center line of cleat stanchion 2 and gravity bore the center line of the vertical bar of 19 point-blank, the lock bolt 18 be rotationally connected again on seat 17 compresses the lower part of load bearing seat 1, load bearing seat 1 can not be rotated around connecting axle 15, allow holder 16 remain unchanged with the angle of load bearing seat 1, ensure that the cleat stanchion 2 be arranged on above load bearing seat 1 is perpendicular to horizontal plane; Time point-blank, just directly the lock bolt 18 be rotationally connected on seat 17 compresses the lower part of load bearing seat 1, load bearing seat 1 can not be rotated around connecting axle 15, allow holder 16 remain unchanged with the angle of load bearing seat 1, ensure that the cleat stanchion 2 be arranged on above load bearing seat 1 is perpendicular to horizontal plane.D, the Inner taper hole 12 below connector 3 is enclosed within cleat stanchion 2 upper end, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of cleat stanchion 2 is naturally fitted with the inner conical surface 11 of connector 3 and fixes, and larger from the gravity of connector 3 pressure, and it is closely and more more firm that inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted; Time on the male cone (strobilus masculinus) 10 that the internal taper hole of connector 3 lower end is enclosed within cleat stanchion 2, locking bar 4 is inserted in sliding eye 9, when locking bar 4 enters into the position of brake head, the leading section of locking bar 4 pushes the arcwall face of brake head or acute angle bevel oblique promotion brake head compression thrust spring 7 and outwards makes a concession, and the front end of locking bar 4 passes through the position of brake head; When locking bar 4 is through after brake head, when the male cone (strobilus masculinus) 10 of cleat stanchion 2 contacts firm with the inner conical surface 11 of the Inner taper hole 12 of connector 3, brake head enters in the breaker slot on locking bar 4 under the powered of thrust spring 7, facing directly of brake head coordinates locked locking bar 4 to stand fast with the one side of lock groove right-angle side, laminating Inner taper hole 12 and male cone (strobilus masculinus) 10 locked.E, again in the Inner taper hole 12 of connector 3 upper end again by the lower end of cleat stanchion 2 insert connector 3 Inner taper hole 12 in, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of cleat stanchion 2 is naturally fitted with the inner conical surface 11 of connector 3 and fixes, and the gravity depressed from cleat stanchion 2 is larger, it is closely and more more firm that inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted; When the male cone (strobilus masculinus) 10 of cleat stanchion 2 inserts Inner taper hole 12, locking bar 4 is inserted in sliding eye 9, when locking bar 4 enters into the position of brake head, the leading section of locking bar 4 pushes the arcwall face of brake head or acute angle bevel oblique promotion brake head compression thrust spring 7 and outwards makes a concession, and the front end of locking bar 4 passes through the position of brake head; When locking bar 4 is through after brake head, when the male cone (strobilus masculinus) 10 of cleat stanchion 2 contacts firm with the inner conical surface 11 of the Inner taper hole 12 of connector 3, brake head enters in the breaker slot on locking bar 4 under the powered of thrust spring 7, facing directly of brake head coordinates locked locking bar 4 to stand fast with the one side of lock groove right-angle side, laminating Inner taper hole 12 and male cone (strobilus masculinus) 10 locked.F, according to D and E method with step can again insert in the Inner taper hole 12 of connector 3 by the male cone (strobilus masculinus) 10 of cleat stanchion 2 or the internal taper hole of connector 3 is enclosed within the male cone (strobilus masculinus) 10 of cleat stanchion 2 again, complete being connected and fixed and locking between cleat stanchion 2 and connector 3.Cleat stanchion 2 is very convenient with the assembling of load bearing seat 1 and cleat stanchion 2 and connector 3, just can complete without any need for instrument.
When the cleat stanchion 2 of dismountable and connector 3, pull the handle of banking pin 6, after the brake head of banking pin 6 front end exits the breaker slot on locking bar 4, as long as cleat stanchion 2 or connector 3 upwards one are lifted, cleat stanchion 2 will separate automatically with connector 3, and locking bar 4 skids off from sliding eye 9.During fixing on dismounting load bearing seat 1 cleat stanchion 2, pull the handle of banking pin 6, after the brake head of banking pin 6 front end exits the breaker slot on locking bar 4, as long as cleat stanchion 2 upwards one is lifted, cleat stanchion 2 will separate automatically with load bearing seat 1, and locking bar 4 skids off from sliding eye 9.Cleat stanchion 2 is very convenient with the dismounting of load bearing seat 1 and cleat stanchion 2 and connector 3, just can complete without any need for instrument.
High-tension line maintenance personal is when examination and repair for high-pressure circuit, run into when having branch Distance High Voltage Electricity Transfer very near or line joint need maintenance time, first holder 16 is placed steadily on the ground, combining holder 16 again, Connection Block 17, the load bearing seat 1 of connecting axle 15 and load bearing seat 1 plug first cleat stanchion 2 above after, needing the cleat stanchion 2 of height and needing the connector 3 of quantity to take with oneself, pin steps down on the foot hold on cleat stanchion 2 and climbs up, one section of assembling one section can be climbed, when climbing to the top of ladder in the process of cat ladder, climb up again after inserting a cleat stanchion 2 in superincumbent Inner taper hole 12 again.During descending stair, step down on foot hold and down climb, next section tears a cleat stanchion 2 open, very convenient.
Claims (2)
1. a maintenance circuit ladder, is characterized in that: described maintenance circuit ladder mainly comprises holder (16), Connection Block (17), lock bolt (18), connecting axle (15), load bearing seat (1), gravity cone (19), cleat stanchion (2), connector (3), self-locking device, male cone (strobilus masculinus) (10), Inner taper hole (12), inner conical surface (11);
Described maintenance circuit ladder adopts single column support type, holder (16) and Connection Block (17), load bearing seat (1), cleat stanchion (2) and connector (3) are combined into single-column tandem, and the carrier carrying the weight that cleat stanchion (2) and connector (3) and cleat stanchion (2) and connector (3) bear is holder (16); When installing cleat stanchion (2), holder (16) and the cradle head of the setting angle of load bearing seat (1) can be regulated to be the Connection Block (17) that is connected of connecting axle (15) and load bearing seat (1);
Described holder (16) is fixed with Connection Block (17), Connection Block (17) there are pin-and-hole (14) and locking screw, connecting axle (15) links together Connection Block (17) and load bearing seat (1) through the pin-and-hole (14) of the pin-and-hole (14) on Connection Block (17) and load bearing seat (1) bottom, lock bolt (18) exceedes the lock bolt (18) of locking screw screw end after screwing in the locking screw on Connection Block (17) is pressed in lower part locking load bearing seat (1) of load bearing seat (1) and the fit angle of holder (16), Inner taper hole (12) is had above described load bearing seat (1), load bearing seat (1) is coordinated by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of cleat stanchion (2) lower end and fixes, and coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the brake head be arranged in cleat stanchion (2) by the breaker slot on the locking bar (4) of the mesopore (8) that is fixed on load bearing seat (1) bottom, be provided with to live in the outside of Inner taper hole (12) part of load bearing seat (1) and turn hole, the taper shank of the upper end of gravity cone (19) inserts to live and turns fixing in hole and turn in hole can freely rotate alive, Inner taper hole (12) is had at the two ends of connector (3), the male cone (strobilus masculinus) (10) of two cleat stanchions (2) inserts in the Inner taper hole (12) at connector (3) two ends respectively, coordinate by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of cleat stanchion (2) and fix, and being coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the brake head be arranged in cleat stanchion (2) by the breaker slot on the locking bar (4) of the mesopore (8) that is fixed on connector (3) bottom, cleat stanchion (2) is fixed with riding boogie board (13),
In the Inner taper hole (12) of the male cone (strobilus masculinus) (10) insertion load bearing seat (1) of described cleat stanchion (2) lower end or in the Inner taper hole (12) of the connector (3) of insertion connector (3) upper end, the male cone (strobilus masculinus) (10) of cleat stanchion (2) upper end inserts in the Inner taper hole (12) of the connector (3) of connector (3) lower end, the sliding eye (9) of male cone (strobilus masculinus) (10) end is enclosed within locking bar (4), breaker slot on locking bar (4) coordinates with the brake head of banking pin (6) and locks locking bar (4) and do not slide, then coordinating of inner conical surface (11) and male cone (strobilus masculinus) (10) is locked,
Described self-locking device comprises brake hole (5), banking pin (6), thrust spring (7), locking bar (4), sliding eye (9), breaker slot, thrust spring (7) and banking pin (6) are installed in described brake hole (5), banking pin (6) stretches out the surface of cleat stanchion (2) through one end of back handle from the central part of thrust spring (7), one end of brake head is stretched in sliding eye (9) and is coordinated with the breaker slot on locking bar (4), one end of thrust spring (7) is pressed on the brake head of banking pin (6), it is upper or withstand on the jump ring that is fixed in brake hole (5) that the other end withstands on brake hole (5), described locking bar (4) has breaker slot, and breaker slot coordinates the inner conical surface (11) and male cone (strobilus masculinus) (10) that are automatically locked and post with the brake head of banking pin (6),
Described holder (16) fixed connecting base (17), stable and support cleat stanchion (2) and bear all wt that Connection Block (17) bears; Skid-proof rubber is had at holder (16) and the partial fixing of earth surface;
Described Connection Block (17) is the pedestal supporting and install connecting axle (15), Connection Block (17) has pin-and-hole (14) and locking screw;
Near the pin-and-hole (14) of described locking screw on Connection Block (17);
Described load bearing seat (1) is Connection Block (17), lower part there is horizontal pin-and-hole (14), there is Inner taper hole (12) upper end of upper part, there is mesopore (8) below Inner taper hole (12) or the inside, Inner taper hole (12) is directly through with mesopore (8), is fixed with locking bar (4) at the middle part of the bottom of mesopore (8); The center line of described pin-and-hole (14) and the central axis of Inner taper hole (12); Be provided with to live in the outside of Inner taper hole (12) part of load bearing seat (1) and turn hole, living, to turn hole be circular hole, lives in turning in hole in being provided with gravity cone (19); Being connected with Connection Block (17) below by connecting axle (15) of load bearing seat (1), be connected with cleat stanchion (2) by Inner taper hole (12) above;
Described gravity cone (19) is the vertical bar with taper shank, and taper shank is vertical with vertical bar, and taper shank inserts to live and turns fixing in hole and turn in hole can freely rotate alive;
Described cleat stanchion (2) is the cylinder that there are male cone (strobilus masculinus) (10) at two ends, the end face at cleat stanchion (2) two ends has sliding eye (9), sliding eye (9) stretches in the cylinder of cleat stanchion (2) in the end of cleat stanchion (2), in the cylinder of the cleat stanchion (2) near male cone (strobilus masculinus) (10), have brake hole (5) wear out the surface of cylinder and communicate with sliding eye (9);
The end face at the two ends of described connector (3) has Inner taper hole (12), and there is mesopore (8) the inside of Inner taper hole (12), is fixed with locking bar (4) in the bottom of mesopore (8);
Described banking pin (6) comprises brake head, middle part and handle three part, three parts are connected, after banking pin (6) passes thrust spring (7) in brake hole (5), brake head enters in sliding eye (9) and coordinates with the breaker slot on locking bar (4), and handle portion stretches out the damaged surface of cleat stanchion (2); Described brake head towards the one side on locking bar (4) top be face directly, towards the one side of locking bar (4) fixed end be arcwall face or acute angle bevel;
Described locking bar (4) is cylinder, be fixed on the bottom of the mesopore (8) of Inner taper hole (12) the inside, locking bar (4) can slide at sliding eye (9), and locking bar (4) has breaker slot; Described breaker slot is the groove of right triangular shape or the inclined-plane of right-angled triangle is changed into the groove of arc-shaped side, upper corresponding with the position of brake head at locking bar (4); The groove top of described right-angled triangle groove is acute angle, one side before breaker slot be right-angle side face, be locking face, locking face coordinates can stand fast by locking locking bar (4) with facing directly of brake head, and the one side of hypotenuse coordinates with the inclined-plane of brake head end and limits the degree of depth that brake head inserts breaker slot;
Described sliding eye (9) is bearing bore in the end of cleat stanchion (2) or through hole, communicates with brake hole (5);
Described brake hole (5) is worn out the surface of cylinder and is communicated with sliding eye (9) in the cleat stanchion (2) near male cone (strobilus masculinus) (10), corresponding with the position of the breaker slot on locking bar (4); Thrust spring (7) and banking pin (6) are installed in brake hole (5), the handle portion of banking pin (6) from stretching out the surface of cleat stanchion (2) after the central part of thrust spring (7) passes, the brake head of banking pin (6) stretches out brake hole (5) and inserts in sliding eye (9) afterwards or insert in the breaker slot locking bar (4), thrust spring (7) is arranged on the middle part of banking pin (6), and one end of thrust spring (7) is pressed on the brake head of banking pin (6), the other end withstands on brake hole (5);
Described riding boogie board (13) comprises ear seat and foot hold, and ear seat is fixed on cleat stanchion (2), and foot hold is fixed on the top-direction be merely able to ladder on ear seat by pivot pin and draws in; On foot hold, cover has antiskid glue sleeve or be fixed with skid-proof rubber above foot hold, landing when antiskid glue sleeve and skid-proof rubber can prevent pin from stepping down on foot hold.
2. maintenance circuit ladder according to claim 1, it is characterized in that: in order to reduce costs and alleviate the weight of maintenance circuit ladder, holder (16) and cleat stanchion (2) are hollow body or solid, cleat stanchion (2) and connector (3) are individual layer or multilayer in the combination of maintenance circuit ladder, and holder (16) is individual layer in the combination of maintenance circuit ladder;
In order to ensure that cleat stanchion (2) is all the time perpendicular to horizontal plane, adopt lock bolt (18) to produce frictional force by rotation forces load bearing seat (1) and Connection Block (17) and fix load bearing seat (1) and the angle angle of holder (16), when holder (16) is placed on the ground of inclination, ensure that the cleat stanchion (2) be arranged on load bearing seat (1) remains perpendicular to horizontal plane;
Bore (19) to make gravity can remain perpendicular to horizontal plane, the taper shank of described gravity cone (19), in the upper end of vertical bar, makes gravity bore the position of center of gravity lower than taper shank of (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520507244.9U CN204754736U (en) | 2015-07-14 | 2015-07-14 | Circuit maintenance ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520507244.9U CN204754736U (en) | 2015-07-14 | 2015-07-14 | Circuit maintenance ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204754736U true CN204754736U (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520507244.9U Expired - Fee Related CN204754736U (en) | 2015-07-14 | 2015-07-14 | Circuit maintenance ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204754736U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108060890A (en) * | 2017-12-11 | 2018-05-22 | 佟海涛 | A kind of new-type field is with from lift |
-
2015
- 2015-07-14 CN CN201520507244.9U patent/CN204754736U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108060890A (en) * | 2017-12-11 | 2018-05-22 | 佟海涛 | A kind of new-type field is with from lift |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20160714 |
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| CF01 | Termination of patent right due to non-payment of annual fee |