CN204571815U - Gardens pruning ladder - Google Patents

Gardens pruning ladder Download PDF

Info

Publication number
CN204571815U
CN204571815U CN201520119561.3U CN201520119561U CN204571815U CN 204571815 U CN204571815 U CN 204571815U CN 201520119561 U CN201520119561 U CN 201520119561U CN 204571815 U CN204571815 U CN 204571815U
Authority
CN
China
Prior art keywords
hole
locking
pin
strobilus masculinus
male cone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520119561.3U
Other languages
Chinese (zh)
Inventor
徐毓艺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201520119561.3U priority Critical patent/CN204571815U/en
Application granted granted Critical
Publication of CN204571815U publication Critical patent/CN204571815U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

A kind of gardens pruning ladder, porose seat is fixed on its chassis, removable pin connecting hole seat and sliding seat, the angle of lock bolt locking chassis and sliding seat, the inner conical surface of the male cone (strobilus masculinus) of column body and the Inner taper hole of sliding seat or below the Inner taper hole of a root post body coordinates and fixes, and Inner taper hole is coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with lock pin by the annular lock groove on inner conical surface after coordinating with male cone (strobilus masculinus) and fixing.Be fixed with the foot-operated of the folding that can draw in one end of the connector of column body in the both sides of the damaged surface of column body, be stained with skid-proof rubber in the bottom on chassis.The structure of gardens pruning ladder is simple, assemble and use very convenient, being easy to carry, in assembly and disassembly process during use, not needing instrument, the difficult problem of uprightly climbing and standing when solving the branch in gardener clipped gardens, during climbing, the speed of assembling ladder is fast, safe and reliable, climbing is convenient; After using, dismounting, packaging and convenient transportation.

Description

Gardens pruning ladder
Technical field
The gardens pruning ladder uprightly climbed when the utility model relates to a kind of gardener clipped branch for garden management.
Background technology
When the trees in gardens grow unnecessary branch, the gardener of management is hung on branch or stands on branch to cut down branch or pollard, causes danger during pollard to happen occasionally, there is great potential safety hazard.Meanwhile, for branch or trunk can't grantee weight and the trees having looked higher than people much have no idea to prune at all.
Summary of the invention
The object that the utility model relates to be in order to provide a kind of be beneficial to carry, the gardens pruning ladder being convenient to lay, assemble and climb and manufacturing and method.
For achieving the above object, gardens pruning ladder described in the utility model mainly comprises chassis, hole seat, removable pin, lock bolt, sliding seat, column body, male cone (strobilus masculinus), Inner taper hole, inner conical surface, self-locking device;
Porose seat is fixed on described chassis, hole seat there are pin-and-hole and locking screw, removable pin links together hole seat and sliding seat through after the pin-and-hole of the pin-and-hole on the seat of hole and sliding seat bottom, and the lower part that the screw end exceeding the lock bolt of locking screw after the locking screw on lock bolt advances through hole seat is pressed in sliding seat locks the fit angle on sliding seat and chassis; Inner taper hole is had above described sliding seat, the inner conical surface of Inner taper hole has annular lock groove, below Inner taper hole or the inside have air gap position, sliding seat is coordinated with the male cone (strobilus masculinus) of column body lower end and is fixed by Inner taper hole, and after passing male cone (strobilus masculinus), exposes annular locking slot fit on the locking head of male cone (strobilus masculinus) and inner conical surface and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post by the lock pin in the locking hole that is arranged on column bottom; Inner taper hole is had in the connection head end of column body upper end, the inner conical surface of Inner taper hole there is annular lock groove, below Inner taper hole or the inside have air gap position, the male cone (strobilus masculinus) of column body lower end inserts in the Inner taper hole in the connector of a root post body below, coordinated with the male cone (strobilus masculinus) of column body lower end by Inner taper hole and fix, and by the lock pin in the locking hole that is arranged on column bottom at the be automatically locked inner conical surface and male cone (strobilus masculinus) that post through the annular locking slot fit exposed after male cone (strobilus masculinus) on the locking head of male cone (strobilus masculinus) and inner conical surface; Be fixed with the foot-operated of the folding that can draw in one end of the connector of column body in the both sides of the damaged surface of column body, foot-operated upper cover has or is stained with skid-proof rubber.
Described column body has the lower end of male cone (strobilus masculinus) to insert in the Inner taper hole in the middle part of sliding seat, or, column body has the lower end of male cone (strobilus masculinus) to insert in the Inner taper hole in the connector of a root post body upper end below, inner conical surface there is annular lock groove coordinate with the locking head of lock pin, then lock coordinating of inner conical surface and male cone (strobilus masculinus).
Described Inner taper hole is the hole having tapering, has inner conical surface in Inner taper hole.Inner taper hole in described sliding seat coordinates with the male cone (strobilus masculinus) of the lower end of column and fixes, and the Inner taper hole on connector coordinates with the male cone (strobilus masculinus) of the lower end of another root post and fixes; Described Inner taper hole is coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with the locking head of lock pin by the annular lock groove on inner conical surface after coordinating with male cone (strobilus masculinus) and fixing.In order to enable Inner taper hole and male cone (strobilus masculinus) close fit, the tapering of described Inner taper hole is consistent with the tapering of male cone (strobilus masculinus).
Described self-locking device comprises locking hole, lock pin, locking spring, force bearing disk, annular lock groove, described locking hole is the oblique surface of cylinder and the surface of male cone (strobilus masculinus) of wearing out close male cone (strobilus masculinus) between the surface and male cone (strobilus masculinus) of the cylinder near male cone (strobilus masculinus), is horizontally installed with force bearing disk, locking spring and lock pin in locking hole; Described force bearing disk is fixed on the middle part of lock pin, is arranged on the middle part of locking hole; Described locking spring is arranged on the middle part that the large part of the middle aperture of locking hole is enclosed within lock pin, on the wall of the part that the middle aperture that one end withstands on force bearing disk, the other end withstands on locking hole is large or withstand on the jump ring of the little part in the aperture of locking hole of one end of the pin handle being fixed on lock pin; The lateral surfaces that locking spring is passed at middle part, two ends are each passed through the inner conical surface of connector or sliding seat and the lateral surfaces of sliding seat or connector of described lock pin, lock pin can slide in locking hole, and locking spring is pressed in the locking head and annular locking slot fit that force bearing disk promote lock pin and forms locking; Described inner conical surface there is annular lock groove coordinate and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with the locking head of lock pin.
Described chassis is disking body or is in strip interconnection shape, disking body or be in strip the fixing above porose seat of middle part of interconnection shape, at disking body or be in strip below interconnection shape and be stained with skid-proof rubber; Described chassis is used for fixed hole seat, stabilizer column and support post and bears all wt that hole seat bears, and prevents the lower end of column body to be absorbed in earth; Described skid-proof rubber is fixed on disking body or is in strip below interconnection shape, prevents chassis from sliding on the ground with ground resulting in friction.
Described hole seat is the supporter supporting and install removable pin, supporter has pin-and-hole and locking screw.
Near the pin-and-hole of described locking screw on the seat of hole, 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 sliding seat of sliding seat and the fit angle on chassis.
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 sliding seat.
Described removable pin is pivot pin or bolt.
Described sliding seat is Connection Block, lower part has horizontal pin-and-hole, and there is Inner taper hole the upper end of upper part, and the inner conical surface of Inner taper hole has the annular lock groove of depression, and there is air gap position below Inner taper hole or the inside, Inner taper hole and air gap position directly through; The center line of described pin-and-hole is with the central axis of Inner taper hole or close to vertical; Being connected with hole seat below by removable pin of sliding seat, be connected with column by Inner taper hole above.
Described column body is the cylinder that there is male cone (strobilus masculinus) one end, the other end has Inner taper hole, comprises connector and column two parts, is fixed with the foot-operated of the folding that can draw in one end of the connector of column body in the both sides of the damaged surface of column body; Described column body is that connector and column are fixed together the entirety formed or the entirety be inherently connected; Column does not have one end of male cone (strobilus masculinus) and connector not to have one end of Inner taper hole to be connected or is fixed together to form entirety.The end face of the upper end of described connector has Inner taper hole, and there is air gap position the inside of Inner taper hole, and the inner conical surface of Inner taper hole has the annular lock groove of depression; There is male cone (strobilus masculinus) the lower end of described column, between the surface and male cone (strobilus masculinus) of the cylinder near male cone (strobilus masculinus), have locking hole, the oblique surface of cylinder and the surface of male cone (strobilus masculinus) of wearing out close male cone (strobilus masculinus) of locking hole.
Described foot-operatedly comprise hanger, connecting pin and riding boogie board, hanger is the connector having pin-and-hole be fixed on column body, connecting pin is the pin connecting hanger and riding boogie board, riding boogie board is the square or flat cylinder or blocks stepped on for pin, is stained with skid-proof rubber or has antiskid glue sleeve at the surface of riding boogie board cover on the surface of riding boogie board.
Described annular lock groove is the cannelure of the depression on the inner conical surface of the Inner taper hole in sliding seat and the Inner taper hole on column body, and cannelure is V-shaped groove, corresponding with the position of locking hole, and the one side near the oral area of Inner taper hole is locking face.
Described locking hole is the oblique surface of cylinder and the surface of male cone (strobilus masculinus) of wearing out close male cone (strobilus masculinus) in one end of the male cone (strobilus masculinus) of column, the aperture that the middle aperture for installing the part of locking spring and force bearing disk is large, the two ends in hole are stretched out for the two ends of lock pin is little, corresponding with the position of annular lock groove; Force bearing disk, lock pin and locking spring are installed in locking hole, force bearing disk is arranged on the middle part of lock pin, locking spring is arranged between force bearing disk and locking hole, stretch out from the damaged surface of column body after the pin handle of lock pin passes from the centre of locking spring, locking head stretch out from male cone (strobilus masculinus) after with annular locking slot fit, lock pin can move in locking hole.
Described locking hole can also be independent cavity, the housing with the mating shapes of locking hole can also be inlaid with in independent cavity, oblique one end of exposing the damaged surface of column body or the damaged surface connecting or rivet or be welded on column body towards one end of the damaged surface of column body with screw, or connect with screw or rivet or be welded on the oblique locking hole in column body; The inside and outside two ends of described housing manufacture porose, lock pin, locking spring, force bearing disk are installed in housing, force bearing disk is arranged on the middle part of lock pin, locking spring is arranged between force bearing disk and housing, stretch out from the hole of housing outer face after the pin handle of lock pin passes from the centre of locking spring, locking head stretch out from the hole of the inner face of housing after with annular locking slot fit.
Described lock pin comprises locking head, middle part and pin handle three part, three parts are connected, lock pin is arranged in locking hole through behind the two ends of locking hole, locking head is oblique stretch out the surface of male cone (strobilus masculinus) after produce locking effect, the oblique damaged surface of stretching out column of pin shank portion with the annular locking slot fit in Inner taper hole; The leading section of described locking head is the one side at the bottom of the cone of acute angle bevel, the toward the outside conical surface is face directly.
When described force bearing disk is solid card or the pad at the middle part be fixed on lock pin, be fixed on the mid portion of lock pin.
Described locking spring is stage clip.
The conical surface comprises inner conical surface and male cone (strobilus masculinus), and the cross section of the conical surface is the circular conical surface, or the polygonal conical surface, or the conical surface of circular arc, or the special-shaped conical surface that circular arc and line segment form; The described conical surface is the face of the square taper of nose part, or goes conical of nose part.
In order to can tilt ground on support post body, when chassis is arranged on smooth ground, the central axis of sliding seat, in chassis, ensure that the column body be arranged in sliding seat is vertical or near perpendicular to horizontal plane; When chassis is arranged on the ground of inclination, sliding seat can rotate certain angle around removable pin on chassis, ensure that the column body be arranged in sliding seat is vertical or near perpendicular to horizontal plane.
Removable pin is adopted to be fastened on hole seat on chassis and sliding seat, make sliding seat can rotate certain angle around removable pin on chassis, reach when chassis is arranged on the ground of inclination and ensure that the column body be arranged in sliding seat keeps the object perpendicular to horizontal plane.
In order to make the assembling of gardens pruning ladder quick, chassis, hole seat, removable pin and sliding seat are the parts of entirety or the dispersion fitted together.
In order to can the locking inner conical surface of working good and male cone (strobilus masculinus) not loosen, the inner conical surface that described locking hole, lock pin, force bearing disk, locking 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 gardens pruning ladder, the column body of described gardens pruning ladder adopts the mode of connecting to be combined into single with sliding seat and column body with column body and independently supports, and sliding seat and column body are hollow body or solid; Column body is individual layer or multilayer in the combination of ladder, and chassis and sliding seat are individual layers in the combination of ladder.
In order to ensure that column body is all the time perpendicular to horizontal plane, adopt lock bolt to produce by rotation forces sliding seat and hole seat the angle angle that frictional force fixes sliding seat and chassis, when chassis is arranged on the ground of inclination, ensure that the column body be arranged in sliding seat remains perpendicular to horizontal plane.
In order in use can Rapid Combination and facilitate pin to step on, described column body be combined into global facility with foot-operated, can assembly fast when being beneficial to use; The described fixing employing pin ridden on column body is connected and fixed, and rides one end be merely able to connector on column body and draws in, makes pin step down in landing downwards when riding upper.
The structure of the utility model gardens pruning ladder is simple, manufacture, assemble and use very convenient, be easy to carry, instrument is not needed in assembly and disassembly process during use, the difficult problem of uprightly climbing and standing when solving the branch in gardener clipped gardens, during climbing, the speed of assembling ladder is fast, safe and reliable, climbing is convenient; After using, dismounting, packaging and convenient transportation.
Accompanying drawing explanation
Fig. 1 is the package assembly schematic diagram of gardens pruning ladder;
Fig. 2 is the structural representation of column body;
Fig. 3 is the sectional structure schematic diagram of sliding seat;
Fig. 4 is the schematic appearance of the top view of sliding seat;
Fig. 5 is the schematic appearance of the combining structure of chassis and hole seat and sliding seat.
Shown in figure: sliding seat 1, column 2, connector 3, air gap position 4, locking hole 5, lock pin 6, force bearing disk 7, locking spring 8, annular lock groove 9, male cone (strobilus masculinus) 10, inner conical surface 11, Inner taper hole 12, foot-operated 13, pin-and-hole 14, removable pin 15, chassis 16, hole seat 17, lock bolt 18.
Detailed description of the invention
The utility model gardens pruning ladder mainly comprises chassis 16, hole seat 17, removable pin 15, lock bolt 18, sliding seat 1, column body, male cone (strobilus masculinus) 10, Inner taper hole 12, inner conical surface 11, self-locking device;
Porose seat 17 is fixed on described chassis 16, hole seat 17 there are pin-and-hole 14 and locking screw, removable pin 15 links together hole seat 17 and sliding seat 1 afterwards through the pin-and-hole 14 of the pin-and-hole 14 on hole seat 17 and sliding seat 1 bottom, and the screw end exceeding the lock bolt 18 of locking screw after the locking screw on lock bolt 18 advances through hole seat 17 is pressed in the lower part locking sliding seat 1 of sliding seat 1 and the fit angle on chassis 16, Inner taper hole 12 is had above described sliding seat 1, the inner conical surface 11 of Inner taper hole 12 there is annular lock groove 9, below Inner taper hole 12 or the inside have air gap position 4, sliding seat 1 is coordinated with the male cone (strobilus masculinus) 10 of column body lower end by Inner taper hole 12 and fixes, and is being coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post through exposing the locking head of male cone (strobilus masculinus) 10 after male cone (strobilus masculinus) 10 with the annular lock groove 9 on inner conical surface 11 by the lock pin 6 in the locking hole 5 that is arranged on column 2 bottom, Inner taper hole 12 is had in connector 3 end of column body upper end, the inner conical surface 11 of Inner taper hole 12 there is annular lock groove 9, below Inner taper hole 12 or the inside have air gap position 4, the male cone (strobilus masculinus) 10 of column body lower end inserts in the Inner taper hole 12 in the connector 3 of a root post body below, coordinated with the male cone (strobilus masculinus) 10 of column body lower end by Inner taper hole 12 and fix, and coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post with the annular lock groove 9 on inner conical surface 11 through exposing the locking head of male cone (strobilus masculinus) 10 after male cone (strobilus masculinus) 10 by the lock pin 6 in the locking hole 5 that is arranged on column 2 bottom, be fixed with foot-operated 13 of the folding that can draw in one end of the connector 3 of column body in the both sides of the damaged surface of column body, on foot-operated 13, cover has or is stained with skid-proof rubber.
Described column body has the lower end of male cone (strobilus masculinus) 10 to insert in the Inner taper hole 12 in the middle part of sliding seat 1, or, column body has the lower end of male cone (strobilus masculinus) 10 to insert in the Inner taper hole 12 in the connector 3 of a root post body upper end below, inner conical surface 11 there is annular lock groove 9 coordinate with the locking head of lock pin 6, then lock coordinating of inner conical surface 11 and male cone (strobilus masculinus) 10.
Described Inner taper hole 12 is the holes having tapering, has inner conical surface 11 in Inner taper hole 12.Inner taper hole 12 in described sliding seat 1 coordinates with the male cone (strobilus masculinus) 10 of the lower end of column 2 and fixes, and the Inner taper hole 12 on connector 3 coordinates with the male cone (strobilus masculinus) 10 of the lower end of another root post 2 and fixes; Described Inner taper hole 12 is coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post with the locking head of lock pin 6 by the annular lock groove 9 on inner conical surface 11 after coordinating with male cone (strobilus masculinus) 10 and fixing.In order to make Inner taper hole 12 and male cone (strobilus masculinus) 10 can close fit, the tapering of described Inner taper hole 12 be consistent with the tapering of male cone (strobilus masculinus) 10.
Described self-locking device comprises locking hole 5, lock pin 6, locking spring 8, force bearing disk 7, annular lock groove 9, described locking hole 5 is the oblique surface of cylinder and the surface of male cone (strobilus masculinus) 10 of wearing out close male cone (strobilus masculinus) 10 between the surface and male cone (strobilus masculinus) 10 of the cylinder near male cone (strobilus masculinus) 10, is horizontally installed with force bearing disk 7, locking spring 8 and lock pin 6 in locking hole 5; Described force bearing disk 7 is fixed on the middle part of lock pin 6, is arranged on the middle part of locking hole 5; Described locking spring 8 is arranged on the middle part that the large part of the middle aperture of locking hole 5 is enclosed within lock pin 6, on the wall of the part that the middle aperture that one end withstands on force bearing disk 7, the other end withstands on locking hole 5 is large or withstand on the jump ring of the little part in the aperture of locking hole 5 of one end of the pin handle being fixed on lock pin 6; The lateral surfaces that locking spring 8 is passed at middle part, two ends are each passed through the inner conical surface 11 of connector 3 or sliding seat 1 and the lateral surfaces of sliding seat 1 or connector 3 of described lock pin 6, lock pin 6 can slide in locking hole 5, and locking spring 8 is pressed in locking head force bearing disk 7 promoting lock pin 6 and coordinates with annular lock groove 9 and form locking; Described inner conical surface 11 there is annular lock groove 9 coordinate and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post with the locking head of lock pin 6.
Described chassis 16 is disking bodies or is in strip interconnection shape, disking body or be in strip the fixing above porose seat 17 of middle part of interconnection shape, at disking body or be in strip below interconnection shape and be stained with skid-proof rubber; Described chassis 16 is for fixed hole seat 17, stabilizer column 2 and support post 2 and bear all wt that hole seat 17 bears, and prevents the lower end of column body to be absorbed in earth; Described skid-proof rubber is fixed on disking body or is in strip below interconnection shape, prevents chassis 16 from sliding on the ground with ground resulting in friction.
Described hole seat 17 supports and installs the supporter of removable pin 15, supporter has pin-and-hole 14 and locking screw, and pin-and-hole 14 is for installing and fixing removable pin 15 bear all wt that removable pin 15 bears.
Near the pin-and-hole 14 of described locking screw on hole seat 17, for assembling lock bolt 18 and purl screw can be rotated in locking screw, the screw end of lock bolt 18 is made to be pressed in the lower part locking sliding seat 1 of sliding seat 1 and the fit angle on chassis 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 sliding seat 1.
Described removable pin 15 is pivot pin or bolt, bears for connecting hole seat 17 and sliding seat 1 all wt that sliding seat 1 bears.
Described sliding seat 1 is Connection Block, lower part has horizontal pin-and-hole 14, there is Inner taper hole 12 upper end of upper part, and the inner conical surface 11 of Inner taper hole 12 has the annular lock groove 9 of depression, below Inner taper hole 12 or the inside has air gap position 4, Inner taper hole 12 and air gap position 4 directly through; The center line of described pin-and-hole 14 is with the central axis of Inner taper hole 12 or close to vertical; Being connected with hole seat 17 below by removable pin 15 of sliding seat 1, be connected with column 2 by Inner taper hole 12 above; The all wt that described sliding seat 1 is born for stabilizer column 2 and support post 2 and column 2.
Described column body is the cylinder that there is male cone (strobilus masculinus) 10 one end, the other end has Inner taper hole 12, comprises connector 3 and column 2 two parts, is fixed with foot-operated 13 of the folding that can draw in one end of the connector 3 of column body in the both sides of the damaged surface of column body; Described column body to be connector 3 with column 2 the be fixed together entirety formed or the entirety be inherently connected; Column 2 does not have one end of male cone (strobilus masculinus) 10 and connector 3 not to have one end of Inner taper hole 12 to be connected or is fixed together to form entirety.The end face of the upper end of described connector 3 has the inside of Inner taper hole 12, Inner taper hole 12 to have air gap position 4, and the inner conical surface 11 of Inner taper hole 12 has the annular lock groove 9 of depression; There is male cone (strobilus masculinus) 10 lower end of described column 2, between the surface and male cone (strobilus masculinus) 10 of the cylinder near male cone (strobilus masculinus) 10, have locking hole 5, the oblique surface of cylinder and the surface of male cone (strobilus masculinus) 10 of wearing out close male cone (strobilus masculinus) 10 of locking hole 5.
Described foot-operated 13 comprise hanger, connecting pin and riding boogie board, hanger is the connector having pin-and-hole 14 be fixed on column body, connecting pin is the pin connecting hanger and riding boogie board, riding boogie board is the square or flat cylinder or blocks stepped on for pin, be stained with skid-proof rubber on the surface of riding boogie board or have antiskid glue sleeve at the surface of riding boogie board cover, the skid-proof rubber on foot-operated 13 plays and prevents foot-operated 13 to get on anti-skidding effect.
Described annular lock groove 9 is cannelures of the depression on the inner conical surface 11 of the Inner taper hole 12 in sliding seat 1 and the Inner taper hole 12 on column body, and cannelure is V-shaped groove, corresponding with the position of locking hole 5, and the one side near the oral area of Inner taper hole 12 is locking face; Described locking face is used for coordinating with facing directly of locking head 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 lock pin 6 insert annular lock groove 9, coordinate with the locking head of lock pin 6 and the locked inner conical surface 11 that posts and male cone (strobilus masculinus) 10, then the locked inner conical surface 11 that posts and male cone (strobilus masculinus) 10, and then make connector 3 and column body and sliding seat 1 and the fixation of column body.
Described locking hole 5 is the oblique surface of cylinder and the surface of male cone (strobilus masculinus) 10 of wearing out close male cone (strobilus masculinus) 10 in one end of the male cone (strobilus masculinus) 10 of column 2, the aperture that the middle aperture for installing the part of locking spring 8 and force bearing disk 7 is large, the two ends in hole are stretched out for the two ends of lock pin 6 is little, corresponding with the position of annular lock groove 9; Force bearing disk 7, lock pin 6 and locking spring 8 are installed in locking hole 5, force bearing disk 7 is arranged on the middle part of lock pin 6, locking spring 8 is arranged between force bearing disk 7 and locking hole 5, stretch out from the damaged surface of column body after the pin handle of lock pin 6 passes from the centre of locking spring 8, locking head coordinates with annular lock groove 9 after male cone (strobilus masculinus) 10 stretches out, lock pin 6 can move in locking hole 5.
Described locking hole 5 can also be independent cavity, the housing with the mating shapes of locking hole 5 can also be inlaid with in independent cavity, oblique one end of exposing the damaged surface of column body or the damaged surface connecting or rivet or be welded on column body towards one end of the damaged surface of column body with screw, or connect with screw or rivet or be welded on the oblique locking hole 5 in column body; The inside and outside two ends of described housing manufacture porose, lock pin 6, locking spring 8, force bearing disk 7 are installed in housing, force bearing disk 7 is arranged on the middle part of lock pin 6, locking spring 8 is arranged between force bearing disk 7 and housing, stretches out, locking head coordinates with annular lock groove 9 after stretching out from the hole of the inner face of housing after the pin handle of lock pin 6 passes from the centre of locking spring 8 from the hole of housing outer face.
Described lock pin 6 comprises locking head, middle part and pin handle three part, three parts are connected, lock pin 6 is arranged in locking hole 5 through behind the two ends of locking hole 5, locking head is oblique stretch out the surface of male cone (strobilus masculinus) 10 after coordinate with the annular lock groove 9 in Inner taper hole 12 and produce locking effect, the oblique damaged surface of stretching out column 2 of pin shank portion; The leading section of described locking head is the one side at the bottom of cone of acute angle bevel, the toward the outside conical surface 10 is face directly, inclined-plane retreats for allowing the oral area of Inner taper hole 12 of connector 3 and inner conical surface 11 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.
When described force bearing disk 7 is solid card or the pads at the middle part be fixed on lock pin 6, be fixed on the mid portion of lock pin 6.
Described locking spring 8 is stage clips.
In order to increase connectivity robustness and the stability of ladder, improving the speed of installation and demolition, described column body and sliding seat 1 and the connection between column body and column body and fixingly all adopt cone match, being beneficial to quick assembling and quick demolition; 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 tilt ground on support post body, when chassis 16 is arranged on smooth ground, the central axis of sliding seat 1, in chassis 16, ensure that the column body be arranged in sliding seat 1 is vertical or near perpendicular to horizontal plane; When chassis 16 is arranged on the ground of inclination, sliding seat 1 can rotate certain angle around removable pin 15 on chassis 16, ensure that the column body be arranged in sliding seat 1 is vertical or near perpendicular to horizontal plane.
Removable pin 15 is adopted to be fastened on hole seat 17 on chassis 16 and sliding seat 1, make sliding seat 1 can rotate certain angle around removable pin 15 on chassis 16, reach when chassis 16 is arranged on the ground of inclination and ensure that the column body be arranged in sliding seat 1 keeps the object perpendicular to horizontal plane.
In order to make the assembling of gardens pruning ladder quick, chassis 16, hole seat 17, removable pin 15 and sliding seat 1 are the parts of entirety or the dispersion fitted together.
In order to can the locking inner conical surface 11 of working good and male cone (strobilus masculinus) 10 not loosen, described locking hole 5, lock pin 6, force bearing disk 7, locking 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 gardens pruning ladder, the column body of described gardens pruning ladder adopts the mode of connecting to be combined into single with sliding seat 1 and column body with column body and independently supports, and sliding seat 1 and column body are hollow body or solid; Column body is individual layer or multilayer in the combination of ladder, and chassis 16 and sliding seat 1 are individual layers in the combination of ladder.
In order to ensure that column body is all the time perpendicular to horizontal plane, adopt lock bolt 18 to produce frictional force by rotation forces sliding seat 1 and hole seat 17 and fix sliding seat 1 and the angle angle on chassis 16, when chassis 16 is arranged on the ground of inclination, ensure that the column body be arranged in sliding seat 1 remains perpendicular to horizontal plane.
In order in use can Rapid Combination and facilitate pin to step on, described column body be combined into global facility with foot-operated 13, can assembly fast when being beneficial to use; Described foot-operated 13 fixing employing pin on column body are connected and fixed, and foot-operated 13 one end be merely able on column body to connector 3 are drawn, downward landing when pin is stepped down on foot-operated 13.
The assemble method of gardens pruning ladder: during assembling, A, on the ground place fit together chassis 16, hole seat 17, removable pin 15 and sliding seat 1, chassis 16 on ground, sliding seat 1 is above, again the lower end of the column 2 having male cone (strobilus masculinus) 10 is inserted in the Inner taper hole 12 of sliding seat 1, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of column 2 is naturally fitted with the inner conical surface 11 of sliding seat 1 and fixes, and the gravity depressed from column 2 is larger, it is closely and more more firm that inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted, insert in the process of Inner taper hole 12 at the male cone (strobilus masculinus) 10 of column 2, during inner conical surface 11 position that locking head enters into, inclined-plane on inner conical surface 11 oblique promotion locking head makes locking head compress locking spring 8 and outside oblique yielding, when the male cone (strobilus masculinus) 10 of column 2 contacts firm with the inner conical surface 11 of the Inner taper hole 12 of sliding seat 1, locking head just in time enters the position of annular lock groove 9 after slipping over the inner conical surface 11 above annular lock groove 9 smoothly, locking head enters in annular lock groove 9 under the powered of locking spring 8, to coordinate with the inner conical surface 11 of fitting with the locking face of the annular lock groove 9 of V-arrangement and male cone (strobilus masculinus) 10 is locked can not retreat by facing directly of locking head, complete the fixing and locking of column body and sliding seat 1.B, move the upper end of column body of inserting sliding seat 1 and make column 2 perpendicular to horizontal plane, lock bolt 18 again on removable pin 15 compresses sliding seat 1, sliding seat 1 can not be rotated around removable pin 15, then make all column bodies in sliding seat 1 all keep perpendicular to horizontal plane, and the angle allowing chassis 16 and sliding seat 1 be formed remain unchanged after being completely fixed.One end of male cone (strobilus masculinus) 10 is again had by another root post body to insert in the Inner taper hole 12 of connector 3 in Inner taper hole 12 in C, connector 3 again on column body, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of column 2 is naturally fitted with the inner conical surface 11 of connector 3 and fixes, and the gravity depressed from column body 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 column 2, during inner conical surface 11 position that locking head enters into, inclined-plane on inner conical surface 11 oblique promotion locking head makes locking head compress locking spring 8 and outside oblique yielding, when the male cone (strobilus masculinus) 10 of column 2 contacts firm with the inner conical surface 11 of the Inner taper hole 12 of connector 3, locking head just in time enters the position of annular lock groove 9 after slipping over the inner conical surface 11 above annular lock groove 9 smoothly, locking head enters in annular lock groove 9 under the powered of locking spring 8, to coordinate with the inner conical surface 11 of fitting with the locking face of the annular lock groove 9 of V-arrangement and male cone (strobilus masculinus) 10 is locked can not retreat by facing directly of locking head, when the column body composition of D, employing multilayer prunes gardens special-purpose ladder, repeat the male cone (strobilus masculinus) 10 again inserting column 2 in the Inner taper hole 12 of column body upper end of step C, afterwards, the male cone (strobilus masculinus) 10 of column body can insert in the Inner taper hole 12 of a root post body below by Using such method again, completes being connected and fixed and locking between column body and column body.The assembling of column body and sliding seat 1 and column body and column body is very convenient, just can complete without any need for instrument.
The method for dismounting of gardens pruning ladder: during the column body of dismountable, pull the pin handle of lock pin 6, after the locking head of lock pin 6 front end exits the annular lock groove 9 on inner conical surface 11, column body upwards one is drawn or one lifts and automatically will separate with the Inner taper hole 12 in the connector 3 of a root post body below, and the male cone (strobilus masculinus) 10 of column body will separate automatically with the Inner taper hole 12 of the connector 3 of a root post body below.During the column body that dismounting sliding seat 1 is fixed, pull the pin handle of lock pin 6, after the locking head of lock pin 6 front end exits the annular lock groove 9 on male cone (strobilus masculinus) 10, column body upwards one is drawn or one lifts and automatically will separate with the Inner taper hole 12 of sliding seat 1, and column body will separate automatically with sliding seat 1.The dismounting of column body and sliding seat 1 and column body and column body is very convenient, just can complete without any need for instrument.
Gardener is when arranging gardens, run into when having trees to need pollard, first the chassis 16 fitted together, hole seat 17, removable pin 15 and sliding seat 1 are placed on the ground, after sliding seat 1 is plugged the first root post body, the upper end of moving the column body inserting sliding seat 1 makes column 2 perpendicular to horizontal plane, screw lock bolt 18 again and compress sliding seat 1, sliding seat 1 can not be rotated around removable pin 15, then make all columns 2 in sliding seat 1 all keep perpendicular to horizontal plane; Again needing the column body of height to take with oneself, pin steps down on foot-operated 13 on column body and climbs up, one section can be climbed and assemble the column body that a length of tape has foot-operated 13 again, when climbing to the top of ladder in the process of cat ladder, climb up again after inserting a root post body in superincumbent Inner taper hole 12 again.When having pruned descending stair after branch, pin has stepped down on foot-operated 13 and has down climbed, and next section tears a root post body open, very convenient.

Claims (6)

1. a gardens pruning ladder, is characterized in that: described gardens pruning ladder is the ladder of single column support type, and the cylinder supporting ladder is column body, has foot-operated (13) in the both sides of column body; Gardens pruning ladder mainly comprises chassis (16), hole seat (17), removable pin (15), lock bolt (18), sliding seat (1), column body, male cone (strobilus masculinus) (10), Inner taper hole (12), inner conical surface (11), self-locking device;
The upper fixing porose seat (17) in described chassis (16), hole seat (17) there are pin-and-hole (14) and locking screw, removable pin (15) links together hole seat (17) and sliding seat (1) afterwards through the pin-and-hole (14) of the pin-and-hole (14) on hole seat (17) and sliding seat (1) bottom, the screw end exceeding the lock bolt (18) of locking screw after locking screw on lock bolt (18) advances through hole seat (17) is pressed in lower part locking sliding seat (1) of sliding seat (1) and the fit angle on chassis (16), Inner taper hole (12) is had above described sliding seat (1), the inner conical surface (11) of Inner taper hole (12) there is annular lock groove (9), below Inner taper hole (12) or the inside have air gap position (4), sliding seat (1) is coordinated by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of column body 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 annular lock groove (9) on inner conical surface (11) through exposing the locking head of male cone (strobilus masculinus) (10) after male cone (strobilus masculinus) (10) by the lock pin (6) be arranged in the locking hole (5) of column (2) bottom, Inner taper hole (12) is had in connector (3) end in column body upper end, the inner conical surface (11) of Inner taper hole (12) there is annular lock groove (9), below Inner taper hole (12) or the inside have air gap position (4), the male cone (strobilus masculinus) (10) of column body lower end inserts in the Inner taper hole (12) in the connector (3) of a root post body below, coordinate by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of column body lower end and fix, and coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the annular lock groove (9) on inner conical surface (11) through exposing the locking head of male cone (strobilus masculinus) (10) after male cone (strobilus masculinus) (10) by the lock pin (6) be arranged in the locking hole (5) of column (2) bottom, be fixed with in the both sides of the damaged surface of column body foot-operated (13) of the folding that can draw in one end of the connector of column body (3), foot-operated (13) upper cover has or is stained with skid-proof rubber,
Described column body has the lower end of male cone (strobilus masculinus) (10) to insert in the Inner taper hole (12) at sliding seat (1) middle part, or, column body has the lower end of male cone (strobilus masculinus) (10) to insert in the Inner taper hole (12) in the connector (3) of a root post body upper end below, inner conical surface (11) there is annular lock groove (9) coordinate with the locking head of lock pin (6), then lock coordinating of inner conical surface (11) and male cone (strobilus masculinus) (10);
Described self-locking device comprises locking hole (5), lock pin (6), locking spring (8), force bearing disk (7), annular lock groove (9), described locking hole (5) is the oblique surface of cylinder and the surface of male cone (strobilus masculinus) (10) of wearing out close male cone (strobilus masculinus) (10) between the surface and male cone (strobilus masculinus) (10) of the cylinder near male cone (strobilus masculinus) (10), is horizontally installed with force bearing disk (7), locking spring (8) and lock pin (6) in locking hole (5); Described force bearing disk (7) is fixed on the middle part of lock pin (6), is arranged on the middle part of locking hole (5); Described locking spring (8) is arranged on the middle part that the large part of the middle aperture of locking hole (5) is enclosed within lock pin (6), on the wall that one end withstands on the large part of force bearing disk (7) is upper, the other end withstands on locking hole (5) middle aperture or withstand on the jump ring of the little part in the aperture of locking hole (5) of one end of the pin handle being fixed on lock pin (6); The lateral surfaces that locking spring (8) is passed at middle part, two ends are each passed through the inner conical surface (11) of connector (3) or sliding seat (1) and the lateral surfaces of sliding seat (1) or connector (3) of described lock pin (6), lock pin (6) can slide in locking hole (5), and locking spring (8) is pressed in locking head force bearing disk (7) promoting lock pin (6) and coordinates with annular lock groove (9) and form locking; Described inner conical surface (11) there is annular lock groove (9) to coordinate and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the locking head of lock pin (6);
Described chassis (16) is disking body or is in strip interconnection shape, disking body or be in strip the fixing above porose seat (17) of middle part of interconnection shape, at disking body or be in strip below interconnection shape and be stained with skid-proof rubber; Described skid-proof rubber is fixed on disking body or is in strip below interconnection shape, prevents chassis (16) from sliding on the ground with ground resulting in friction;
Described hole seat (17) is the supporter supporting and install removable pin (15), supporter has pin-and-hole (14) and locking screw;
Near the pin-and-hole (14) of described locking screw on hole seat (17), for assembling lock bolt (18) and purl screw can be rotated in locking screw, the screw end of lock bolt (18) is made to be pressed in lower part locking sliding seat (1) of sliding seat (1) and the fit angle on chassis (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 sliding seat (1);
Described removable pin (15) is pivot pin or bolt;
Described sliding seat (1) is Connection Block, lower part there is horizontal pin-and-hole (14), there is Inner taper hole (12) upper end of upper part, the inner conical surface (11) of Inner taper hole (12) has the annular lock groove (9) of depression, there is air gap position (4) below Inner taper hole (12) or the inside, and Inner taper hole (12) is directly through with air gap position (4); The center line of described pin-and-hole (14) is with the central axis of Inner taper hole (12) or close to vertical; Being connected with hole seat (17) below by removable pin (15) of sliding seat (1), be connected with column (2) by Inner taper hole (12) above;
Described column body is the cylinder that there is male cone (strobilus masculinus) (10) one end, the other end has Inner taper hole (12), comprise connector (3) and column (2) two parts, be fixed with in the both sides of the damaged surface of column body foot-operated (13) of the folding that can draw in one end of the connector of column body (3); Described column body to be connector (3) with column (2) the be fixed together entirety formed or the entirety be inherently connected; Column (2) does not have one end of male cone (strobilus masculinus) (10) and connector (3) not to have one end of Inner taper hole (12) to be connected or be fixed together to form entirety; The end face of the upper end of described connector (3) has Inner taper hole (12), there is air gap position (4) the inside of Inner taper hole (12), and the inner conical surface (11) of Inner taper hole (12) has the annular lock groove (9) of depression; There is male cone (strobilus masculinus) (10) lower end of described column (2), locking hole (5) is had, the oblique surface of cylinder and the surface of male cone (strobilus masculinus) (10) of wearing out close male cone (strobilus masculinus) (10) of locking hole (5) between the surface and male cone (strobilus masculinus) (10) of the cylinder near male cone (strobilus masculinus) (10);
Described foot-operated (13) comprise hanger, connecting pin and riding boogie board, hanger is the connector having pin-and-hole (14) be fixed on column body, connecting pin is the pin connecting hanger and riding boogie board, riding boogie board is the square or flat cylinder or blocks stepped on for pin, is stained with skid-proof rubber or has antiskid glue sleeve at the surface of riding boogie board cover on the surface of riding boogie board;
Described annular lock groove (9) is the cannelure of the depression on the inner conical surface (11) of the Inner taper hole (12) in sliding seat (1) and the Inner taper hole (12) on column body, cannelure is V-shaped groove, corresponding with the position of locking hole (5), the one side near the oral area of Inner taper hole (12) is locking face;
Described locking hole (5) is the oblique surface of cylinder and the surface of male cone (strobilus masculinus) (10) of wearing out close male cone (strobilus masculinus) (10) in one end of the male cone (strobilus masculinus) (10) of column (2), the aperture that the two ends that the middle aperture for installing the part of locking spring (8) and force bearing disk (7) is large, the two ends in hole are used for lock pin (6) are stretched out is little, corresponding with the position of annular lock groove (9); Force bearing disk (7), lock pin (6) and locking spring (8) are installed in locking hole (5), force bearing disk (7) is arranged on the middle part of lock pin (6), locking spring (8) is arranged between force bearing disk (7) and locking hole (5), stretches out, locking head coordinates with annular lock groove (9) after male cone (strobilus masculinus) (10) stretches out after the pin handle of lock pin (6) passes from the centre of locking spring (8) from the damaged surface of column body;
Described locking hole (5) can also be independent cavity, the housing with the mating shapes of locking hole (5) can also be inlaid with in independent cavity, oblique one end of exposing the damaged surface of column body or the damaged surface connecting or rivet or be welded on column body towards one end of the damaged surface of column body with screw, or connect with screw or rivet or be welded on the oblique locking hole (5) in column body; The inside and outside two ends of described housing manufacture porose, lock pin (6), locking spring (8), force bearing disk (7) are installed in housing, force bearing disk (7) is arranged on the middle part of lock pin (6), locking spring (8) is arranged between force bearing disk (7) and housing, stretches out, locking head coordinates with annular lock groove (9) after stretching out from the hole of the inner face of housing after the pin handle of lock pin (6) passes from the centre of locking spring (8) from the hole of housing outer face;
Described lock pin (6) comprises locking head, middle part and pin handle three part, three parts are connected, lock pin (6) is arranged in locking hole (5) through behind the two ends of locking hole (5), locking head is oblique stretch out the surface of male cone (strobilus masculinus) (10) after coordinate with the annular lock groove (9) in Inner taper hole (12) and produce locking effect, the oblique damaged surface of stretching out column (2) of pin shank portion; The leading section of described locking head is the one side at the bottom of the cone of acute angle bevel, the toward the outside conical surface (10) is face directly;
When described force bearing disk (7) is solid card or the pad at the middle part be fixed on lock pin (6), be fixed on the mid portion of lock pin (6);
Described locking spring (8) is stage clip.
2. gardens pruning ladder 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 locking hole (5), lock pin (6), force bearing disk (7), locking spring (8) and annular lock groove (9) composition locking system is locked works good and male cone (strobilus masculinus) (10).
3. gardens pruning ladder according to claim 1, it is characterized in that: in order to reduce costs and alleviate the weight of gardens pruning ladder, the column body of described gardens pruning ladder adopts the mode of connecting to be combined into single with sliding seat (1) and column body with column body and independently supports, and sliding seat (1) and column body are hollow body or solid; Column body is individual layer or multilayer in the combination of ladder, and chassis (16) and sliding seat (1) are individual layers in the combination of ladder.
4. gardens pruning according to claim 1 ladder, is characterized in that: in order in use can Rapid Combination and facilitate pin to step on, and described column body is combined into global facility with foot-operated (13), can assembly fast when being beneficial to use; Described foot-operated (13) fixing employing pin on column body is connected and fixed, foot-operated (13) are merely able to draw in one end of connector (3) on column body, landing downwards when pin is stepped down on foot-operated (13).
5. gardens pruning ladder according to claim 1, it is characterized in that: in order to ensure that column body is all the time perpendicular to horizontal plane, adopt lock bolt (18) to produce frictional force by rotation forces sliding seat (1) and hole seat (17) and fix sliding seat (1) and the angle angle on chassis (16), when chassis (16) is arranged on the ground of inclination, ensure that the column body be arranged in sliding seat (1) remains perpendicular to horizontal plane.
6. gardens pruning ladder according to claim 1, it is characterized in that: 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);
In order to make the assembling of gardens pruning ladder quick, chassis (16), hole seat (17), removable pin (15) and sliding seat (1) are the parts of entirety or the dispersion fitted together.
CN201520119561.3U 2015-03-01 2015-03-01 Gardens pruning ladder Expired - Fee Related CN204571815U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520119561.3U CN204571815U (en) 2015-03-01 2015-03-01 Gardens pruning ladder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520119561.3U CN204571815U (en) 2015-03-01 2015-03-01 Gardens pruning ladder

Publications (1)

Publication Number Publication Date
CN204571815U true CN204571815U (en) 2015-08-19

Family

ID=53864469

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520119561.3U Expired - Fee Related CN204571815U (en) 2015-03-01 2015-03-01 Gardens pruning ladder

Country Status (1)

Country Link
CN (1) CN204571815U (en)

Similar Documents

Publication Publication Date Title
CN104747066A (en) Upright fire ladder
CN104806160B (en) Prune gardens special-purpose ladder
CN104727732A (en) Garden trimming vertical ladder
CN204571815U (en) Gardens pruning ladder
CN204571814U (en) Prune special garden ladder
CN204571810U (en) Upright Special fire-fighting ladder
CN204571809U (en) Gardens pruning special-purpose ladder
CN204646072U (en) upright fire-fighting ladder
CN204646073U (en) Fire-fighting uprightly uses ladder
CN204571801U (en) Gardens pruning ladder
CN204646069U (en) Prune gardens special-purpose ladder
CN204646065U (en) Gardens special-purpose ladder
CN104763317A (en) Firefighting upright special-purpose ladder
CN204646074U (en) Prune ladder for garden
CN104763314B (en) Garden ladder
CN104727737B (en) Special ladder for garden clipping
CN104727731A (en) Special garden ladder for clipping
CN204646067U (en) Special pruning garden ladder
CN204571811U (en) The upright special-purpose ladder of fire-fighting
CN204571805U (en) Upright fire ladder
CN104727736B (en) Gardens pruning ladder
CN204571813U (en) High-tension circuit maintenance ladder
CN104806154A (en) Special ladder for garden tree branch trimming
CN204646061U (en) Special pruning gardens vertical ladder
CN204646063U (en) Garden ladder

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150819

Termination date: 20160301