CN103233675B - Ladder type working platform - Google Patents
Ladder type working platform Download PDFInfo
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- CN103233675B CN103233675B CN201310168988.8A CN201310168988A CN103233675B CN 103233675 B CN103233675 B CN 103233675B CN 201310168988 A CN201310168988 A CN 201310168988A CN 103233675 B CN103233675 B CN 103233675B
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- door
- carrying bottom
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Abstract
The invention relates to a ladder type working platform which comprises a folding ladder and a working table arranged at the upper part of the folding ladder, wherein the working table consists of a bearing bottom surface and a guardrail arranged around the bearing bottom surface in a surrounding way; the guardrail comprises a left side frame and a right side frame; main body structures of the left side frame and the right side frame respectively comprise a first connecting rod, a second connecting rod and a third connecting rod which are arranged on the same plane; the first connecting rod is connected with the third connecting rod in a pivoting way; the first connecting rod is connected with the bearing bottom surface in a pivoting way; the second connecting rod is connected with the third connecting rod in a pivoting way; the second connecting rod is connected with the bearing bottom surface in a pivoting way; the folding ladder comprises a front ladder and a rear ladder; the front ladder comprises a left support pillar and a right support pillar; the left support pillar is fixedly connected with the first connecting rod of the left side frame, and the right support pillar is fixedly connected with the first connecting rod of the right side frame; and the rear ladder is provided with a stop support piece corresponding to the bearing bottom surface. The ladder type working platform solves the problems that in the prior art, the folding ladder is small in trample area and can not be rotated, and the direction of the folding ladder can not be changed.
Description
Technical field
The present invention relates to a kind of work operation post, be specifically related to a kind of ladder type operation post.
Background technology
Folding ladder, also known as " double ladder ", is formed by front ladder and rear terraced upper end thereof.During use, lower end can be opened, overall in herringbone free standing condition, need not support by other; Overall as single ladder, easy to carry after folding.After ensureing that folding ladder opens, there is stable braced structures, usually near the upper end of folding ladder, be provided with locker.Such device after folding ladder opens, can form triangular framing with front ladder and rear ladder, thus keeps the ladder stabilizer after opening.Owing to having above advantage, therefore folded ladder is widely adopted.
But when climbing up folding ladder, operator needs to trample to carry out work high above the ground on terraced shelves (also known as marking time), due to underfooting to trample area less, gravity motion inconvenience, more can not turned position, change direction, carry out operation in a big way, affect operating efficiency.
Summary of the invention
The invention provides a kind of ladder type operation post, its objective is to solve folding ladder of the prior art trample area less and can not turned position, the problem of changing direction.
For achieving the above object, the first technical scheme that the present invention adopts is: a kind of ladder type operation post, and its innovation is: the workbench comprising a folding ladder and be located at folding ladder top;
Described workbench is made up of a carrying bottom surface and the guardrail being located in carrying bottom surface surrounding, and described guardrail comprises a left frame and a right frame; Described left frame is oppositely arranged with right frame and its agent structure is identical; The agent structure of described left frame and right frame includes the first connecting rod be located on same plane, second connecting rod and third connecting rod, described third connecting rod relatively carries bottom surface and is transversely arranged in above it, described first connecting rod is vertically connected between third connecting rod and carrying bottom surface, and the junction of first connecting rod and third connecting rod is pivotally connected, first connecting rod is also pivotally connected with the junction of carrying bottom surface; Described second connecting rod is also vertically connected between third connecting rod and carrying bottom surface, and the junction of second connecting rod and third connecting rod is also pivotally connected, second connecting rod is also pivotally connected with the junction of carrying bottom surface, respectively form a lanar four rod mechanism with this left frame and right frame, make workbench collapsible in the longitudinal direction;
Described folding ladder comprises front ladder and rear ladder, and described front ladder comprises left pillar, right pillar and marks time; Described left pillar is fixedly connected with the first connecting rod of left frame and right pillar is fixedly connected with the first connecting rod of right frame, or described left pillar is fixedly connected with the second connecting rod of left frame and right pillar is fixedly connected with the second connecting rod of right frame; Described rear ladder corresponds to carrying bottom surface and be provided with stop support, when workbench is under the state of organizing work, its carrying bottom surface coordinates with stop support, and stop support restriction carrying bottom surface overturns downwards;
Described guardrail also comprises a clamshell doors, and this clamshell doors is made up of left fan door and right wing door, and the first connecting rod of left fan door and left frame is pivotally connected by sliding sleeve locking mechanism, and the first connecting rod of right wing door and right frame is also pivotally connected by sliding sleeve locking mechanism; Described sliding sleeve locking mechanism is made up of a fixed muffle and a rotational sleeve, fixed muffle fixed cover is located on the first connecting rod of left frame or the first connecting rod of right frame, rotational sleeve to be movably set on the first connecting rod of left frame or the first connecting rod of right frame and to be positioned at above fixed muffle, and left fan door or right wing door relatively rotate sleeve and fix; The lower end edge of described rotational sleeve is equipped with a clamping block downwards, and on the upper end edge of fixed muffle, correspondence is provided with lock slots, described clamping block embeds with lock slots and coordinates; There is in described lock slots an oblique slippage spigot surface and a vertical stop surface, described oblique slippage spigot surface is around the center of rotation of left fan door or right wing door inside workbench and the extension that is inclined upwardly, vertical stop surface correspondence be positioned at oblique slippage spigot surface towards the end side outside workbench; Described clamping block corresponds to vertical stop surface and be provided with vertical fitting face, be provided with oblique fitting face corresponding to oblique slippage spigot surface; When left fan door or right wing door place closed condition, the vertical fitting face of clamping block and the vertical stop surface of lock slots contact cooperation, limit left fan door or right wing door is outwards opened; When left fan door or right wing door are inwardly opened, the oblique fitting face of clamping block along the oblique slippage spigot surface of lock slots inside clamshell doors upward sliding.
For achieving the above object, the second technical scheme that the present invention adopts is: a kind of ladder type operation post, and its innovation is: the workbench comprising a folding ladder and be located at folding ladder top;
Described workbench is made up of a carrying bottom surface and the guardrail being located in carrying bottom surface surrounding, and described guardrail comprises a left frame and a right frame; Described left frame is oppositely arranged with right frame and its agent structure is identical; The agent structure of described left frame and right frame includes the first connecting rod be located on same plane, second connecting rod and third connecting rod, described third connecting rod relatively carries bottom surface and is transversely arranged in above it, described first connecting rod is vertically connected between third connecting rod and carrying bottom surface, and the junction of first connecting rod and third connecting rod is pivotally connected, first connecting rod is also pivotally connected with the junction of carrying bottom surface; Described second connecting rod is also vertically connected between third connecting rod and carrying bottom surface, and the junction of second connecting rod and third connecting rod is also pivotally connected, second connecting rod is also pivotally connected with the junction of carrying bottom surface, respectively form a lanar four rod mechanism with this left frame and right frame, make workbench collapsible in the longitudinal direction;
Described folding ladder comprises front ladder and rear ladder, and described front ladder comprises left pillar, right pillar and marks time; Described left pillar is fixedly connected with the first connecting rod of left frame and right pillar is fixedly connected with the first connecting rod of right frame, or described left pillar is fixedly connected with the second connecting rod of left frame and right pillar is fixedly connected with the second connecting rod of right frame; Described rear ladder corresponds to carrying bottom surface and be provided with stop support, when workbench is under the state of organizing work, its carrying bottom surface coordinates with stop support, and stop support restriction carrying bottom surface overturns downwards;
Described guardrail also comprises one, and it is pivotally connected that this and the first connecting rod of left frame or the first connecting rod of right frame pass through sliding sleeve locking mechanism; Described sliding sleeve locking mechanism is made up of a fixed muffle and a rotational sleeve, fixed muffle fixed cover is located on the first connecting rod of left frame or the first connecting rod of right frame, rotational sleeve to be movably set on the first connecting rod of left frame or the first connecting rod of right frame and to be positioned at above fixed muffle, and described door relatively rotates sleeve and fixes; The lower end edge of described rotational sleeve is equipped with a clamping block downwards, and on the upper end edge of fixed muffle, correspondence is provided with lock slots, described clamping block embeds with lock slots and coordinates; There is in described lock slots an oblique slippage spigot surface and a vertical stop surface, described oblique slippage spigot surface is around the center of rotation of door inside workbench and the extension that is inclined upwardly, vertical stop surface correspondence be positioned at oblique slippage spigot surface towards the end side outside workbench; Described clamping block corresponds to vertical stop surface and be provided with vertical fitting face, be provided with oblique fitting face corresponding to oblique slippage spigot surface; When door place closed condition, the vertical fitting face of clamping block and the vertical stop surface of lock slots contact cooperation, limit door and outwards open; When door is inwardly opened, the oblique fitting face of clamping block along the oblique slippage spigot surface of lock slots inside door upward sliding.
Related content in technique scheme is explained as follows:
1, in such scheme, " right side " in " left side " and " right frame " in " afterwards ", " left frame " in " front " in described " front ladder ", " afterwards ladder " describes with reference to the change in coordinate axis direction shown in accompanying drawing 1 of the present invention, wherein, " front " refers to the direction towards X-axis positive direction, i.e. A direction; " afterwards " refers to the direction towards X-axis negative direction, i.e. B direction; " left side " refers to the direction towards Y-axis negative direction, i.e. C direction; " right side " refers to the direction towards Y-axis positive direction, i.e. D direction; Because ladder type operation post of the present invention can be rotated about axis, therefore, "front", "rear", " left side " and " right side " are all relative, with direction shown in accompanying drawing 1 as a reference.
2, in such scheme, described " second connecting rod is also pivotally connected with the junction of carrying bottom surface " comprises second connecting rod and the directly pivotally connected and second connecting rod and the pivotally connected both of these case of carrying underrun transition piece that carry bottom surface.
3, in such scheme, be provided with locking mechanism between described stop support and carrying bottom surface, described locking mechanism comprises one with the pin thread of operating side and a box, and described pin thread is pivotally connected with carrying bottom surface, and its end is provided with the first hook side upward; Described box is located on rear ladder, and on box, corresponding first hook side is provided with the second hook side downward, and on described pin thread, effect has spring, and the active force of this spring forces the first hook side to be engaged down in working order with the second hook side, stops on workbench and turns over.
6, in such scheme, also comprise the pull bar of an oblique setting, one end of described pull bar is hinged with carrying bottom surface, the other end and rear ladder hinged, make rear ladder and workbench interlock with this.
7, in such scheme, the first connecting rod of described left frame and the first connecting rod of right frame all extend back and are connected to form rear side frame by a cross bar.
Design principle of the present invention and effect are: the present invention increases workbench on the top of folding ladder, workbench is made up of a carrying bottom surface and the guardrail being located in carrying bottom surface surrounding, because the area of marking time of the relatively general folding ladder in carrying bottom surface is larger, and on the table can 360 degree turn round, therefore, can opereating specification comparatively large, bring larger facility to operation; Meanwhile, left frame of the present invention and right frame are lanar four rod mechanism and less parallel quadric chain, and when double ladder draws in, workbench easily along with ladder collapses draws in, can be convenient to mobile and storage.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation under a kind of angle of embodiment of the present invention ladder type operation post;
Accompanying drawing 2 is the structural representation under the another kind of angle of embodiment of the present invention ladder type operation post, and a heel post of the rear ladder in this figure is in hidden state;
Accompanying drawing 3 is the A place enlarged drawing of accompanying drawing 2;
Accompanying drawing 4 is the structural representation of the clamshell doors of embodiment of the present invention ladder type operation post when opening;
Accompanying drawing 5 is the structural representation of the sliding sleeve locking mechanism of embodiment of the present invention ladder type operation post;
Accompanying drawing 6 is the structural representation after embodiment of the present invention ladder type operation post folds;
The structural representation that accompanying drawing 7 is the door of the embodiment of the present invention ladder type operation post when being Yishanmen.
In above accompanying drawing: 1, folding ladder; 2, workbench; 3, bottom surface is carried; 4, left frame; 5, right frame; 6, first connecting rod; 7, second connecting rod; 8, third connecting rod; 9, front ladder; 10, rear ladder; 11, left pillar; 12, right pillar; 13, mark time; 14, stop support; 15, left fan door; 16, right wing door; 17, fixed muffle; 18, rotational sleeve; 19, clamping block; 20, lock slots; 21, oblique slippage spigot surface; 22, vertical stop surface; 23, vertical fitting face; 24, oblique fitting face; 25, door; 26, pin thread; 27, box; 28, the first hook side; 29, the second hook side; 30, spring; 31, pull bar; 32, bracelet; 33, double leval jib; 34, protective screening; 35, flexible member; 36, Telescopic movable pin.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment: a kind of ladder type operation post
Shown in accompanying drawing 1 ~ 6, comprise a folding ladder 1 and be located at the workbench 2 on folding ladder 1 top.
Described workbench 2 is made up of a carrying bottom surface 3 and the guardrail being located in carrying bottom surface 3 surrounding, and described guardrail comprises left frame 4 and a right frame 5; Described left frame 4 is oppositely arranged with right frame 5 and its agent structure is identical; The agent structure of described left frame 4 and right frame 5 includes the first connecting rod 6 be located on same plane, second connecting rod 7 and third connecting rod 8, described third connecting rod 8 is transversely arranged in above it carrying bottom surface 3 relatively, described first connecting rod 6 is vertically connected between third connecting rod 8 and carrying bottom surface 3, and first connecting rod 6 is pivotally connected with the junction of third connecting rod 8, first connecting rod 6 is also pivotally connected with the junction of carrying bottom surface 3; Described second connecting rod 7 is also vertically connected between third connecting rod 8 and carrying bottom surface 3, and second connecting rod 7 is also pivotally connected with the junction of third connecting rod 8, second connecting rod 7 is also pivotally connected with the junction of carrying bottom surface 3, respectively form a lanar four rod mechanism with this left frame 4 and right frame 5, make workbench 2 collapsible in the longitudinal direction; The first connecting rod 6 of described left frame 4 is all extended back with the first connecting rod 6 of right frame 5 and is connected to form rear side frame by a cross bar.
Described folding ladder 1 comprises front ladder 9 and rear terraced 10, and before described, ladder 9 comprises left pillar 11, right pillar 12 and marks time 13; Described left pillar 11 is fixedly connected with the second connecting rod 7 of left frame 4 and right pillar 12 is fixedly connected with the second connecting rod 7 of right frame 5; Correspond to carrying bottom surface 3 on described rear terraced 10 and be provided with stop support 14, when workbench 2 is under the state of organizing work, its carrying bottom surface 3 coordinates with stop support 14, and stop support 14 limits carrying bottom surface 3 and overturns downwards.
Described guardrail also comprises a clamshell doors, this clamshell doors is made up of left fan door 15 and right wing door 16, left fan door 15 is pivotally connected by sliding sleeve locking mechanism with the first connecting rod 6 of left frame 4, and right wing door 16 is also pivotally connected by sliding sleeve locking mechanism with the first connecting rod 6 of right frame 5; Described sliding sleeve locking mechanism is made up of a fixed muffle 17 and a rotational sleeve 18, fixed muffle 17 fixed cover is located on the first connecting rod 6 of left frame 4 or the first connecting rod 6 of right frame 5, rotational sleeve 18 to be movably set on the first connecting rod 6 of left frame 4 or the first connecting rod 6 of right frame 5 and to be positioned at above fixed muffle 17, and left fan door 15 or right wing door 16 relatively rotate sleeve 18 and fix; The lower end edge of described rotational sleeve 18 is equipped with a clamping block 19 downwards, and on the upper end edge of fixed muffle 17, correspondence is provided with lock slots 20, described clamping block 19 and lock slots 20 embed and coordinate; There is in described lock slots 20 oblique slippage spigot surface 21 and a vertical stop surface 22, this oblique slippage spigot surface 21 is around the center of rotation of left fan door 15 or right wing door 16 inside workbench 2 and the extension that is inclined upwardly, vertical stop surface 22 correspondence be positioned at oblique slippage spigot surface 21 towards the end side outside workbench 2; Described clamping block 19 corresponds to vertical stop surface 22 and be provided with vertical fitting face 23, be provided with oblique fitting face 24 corresponding to oblique slippage spigot surface 21; When left fan door 15 or right wing door 16 place closed condition, the vertical fitting face 23 of clamping block 19 and the vertical stop surface 22 of lock slots 20 contact cooperation, limit left fan door 15 or right wing door 16 is outwards opened; When left fan door 15 or right wing door 16 are inwardly opened, the oblique fitting face 24 of clamping block 19 along the oblique slippage spigot surface 21 of lock slots 20 inside clamshell doors upward sliding, the first connecting rod 6 of described left frame 4 and be equipped with flexible member 35 between the first connecting rod 6 of left fan door 15 and right frame 5 and right wing door 16, the elastic force of this flexible member 35 forces the left fan door 15 opened and right wing door 16 automatically to be closed, and described flexible member 35 is specially extension spring.
Described left fan door 15 and right wing door 16 are specifically " U " shape, the opening of " U " shape of described left fan door 15 towards left frame 4 first connecting rod 6 and two ends of " U " shape are respectively pivotally connected with the first connecting rod 6 of left frame 4 by a set of sliding sleeve locking mechanism, the opening of " U " shape of described right wing door 16 is towards right frame 5 first connecting rod 6 and two ends of " U " shape first connecting rod 6 of respectively passing through a set of sliding sleeve locking mechanism and right frame 5 is pivotally connected.
Locking mechanism is provided with between described stop support 14 and carrying bottom surface 3, described locking mechanism comprises one with the pin thread 26 of operating side and a box 27, described operating side is specially bracelet 32, one end of described pin thread 26 is pivotally connected with carrying bottom surface 3, the other end is provided with the first hook side 28 upward, described box 27 is located on rear terraced 10, and corresponding first hook side 28 is provided with the second hook side 29 downward on box 27, on described pin thread 26, effect has spring 30, the active force of spring 30 forces the first hook side 28 to be engaged down in working order with the second hook side 29, prevent from workbench 2 turns over.
Described ladder type operation post also comprises the pull bar 31 of an oblique setting, and one end of described pull bar 31 is hinged with carrying bottom surface 3, and the other end, with rear terraced 10 hinged, makes rear terraced 10 and workbench 2 interlock with this.
Specifically, as shown in Figure 2, the second connecting rod 7 of described left frame 4 is fixedly connected with the top of the left pillar 11 of front terraced 9, the second connecting rod 7 of described right frame 5 is fixedly connected with the top of the right pillar 12 of front terraced 9, pivotally connected by a rod member between ladder 9 and carrying bottom surface 3 before described, before described rod member is parallel to, marking time of ladder 9 13 to be located between left pillar 11 and right pillar 12 and to be positioned at the bottom of carrying bottom surface 3; Described stop support 14 is specially a round bar, this round bar be parallel to rear terraced 10 mark time 13 and between two pillars being connected to rear terraced 10, described round bar is positioned at the bottom of carrying bottom surface 3, overturn downwards for preventing carrying bottom surface 3; Shown in accompanying drawing 3, one end of described pull bar 31 is hinged with carrying bottom surface 3, other end perforate, described round bar is arranged in hole, make the other end of pull bar 31 and rear terraced 10 hinged, the other end of described pull bar 31 integrally extends described box 27, and described box 27 is in interlocking pattern down in working order with pin thread 26.
The pin place, four, bottom of described folding ladder 1 is equipped with Telescopic movable pin 36, this Telescopic movable pin 36 can stretch and have roller, when ladder type operation post is fixed on the work of a certain position, Telescopic movable pin 36 is in compressive state, four pin of folding ladder 1 self land and support ladder type operation post, when the operation of needs shift position, only Telescopic movable pin 36 need be made to be in extended configuration, now Telescopic movable pin 36 and earth surface, can under ladder type operation post deployed condition very convenient rand change place.
The first connecting rod 6 of described left frame 4 and right frame 5 and the middle part of second connecting rod 7 have been laterally hinged with double leval jib 33, the described double leval jib 33 of left frame 4 and the double leval jib 33 of right frame 5 extend back respectively and are connected to form intermediate rail by a cross bar, protective screening 34 is provided with between described intermediate rail and carrying bottom surface 3, described protective screening 34 prevents staff from surprisingly exceeding carrying bottom surface 3, simultaneously, also prevent the thing carried on bottom surface 3 from surprisingly falling down, ensure that the personal security under workbench 2.
When embodiment of the present invention ladder type operation post folds, pull the bracelet 32 of locking mechanism that the occlusion of pin thread 26 and box 27 is removed, with hand steered firmly front ladder 9, to rear terraced 10 force make rear terraced 10 forward ladder 9 draw close folding, owing to being provided with pull bar 31 between carrying bottom surface 3 and rear terraced 10, rear terraced 10 forward ladder 9 carrying bottom surface 3 can be driven when drawing close upwards to overturn, and left frame 4 and right frame 5 are the lanar four rod mechanism being similar to parallel four-bar linkage, carrying bottom surface 3 upwards upset can drive the third connecting rod 8 of left frame 4 upwards to overturn with the third connecting rod 8 of right frame 5, simultaneously, the first connecting rod 6 of left frame 4 and the first connecting rod 6 of second connecting rod 7 and right frame 5 and second connecting rod 7 are drawn close all in the longitudinal direction, with this, ladder type operation post is drawn in folding, state diagram after ladder type operation post folds is see shown in accompanying drawing 6.
The present embodiment is preferred version of the present invention, and the embodiment of the present invention can also have following change:
In above-described embodiment, described left pillar 11 is fixedly connected with the second connecting rod 7 of left frame 4 and right pillar 12 is fixedly connected with the second connecting rod 7 of right frame 5, in actual applications, can also adopt following connected mode, described left pillar 11 is fixedly connected with the first connecting rod 6 of left frame 4 and right pillar 12 is fixedly connected with the first connecting rod 6 of right frame 5.
In above-described embodiment, two ends of " U " shape of described left fan door 15 are respectively pivotally connected by the first connecting rod 6 of a set of sliding sleeve locking mechanism and left frame 4, two ends of " U " shape of described right wing door 16 are respectively pivotally connected by the first connecting rod 6 of a set of sliding sleeve locking mechanism and right frame 5, in actual applications, " U " of described left fan door 15 is as long as there is an end pivotally connected by the first connecting rod 6 of a set of locking mechanism and left frame 4 in the both ends of shape, and the other end only needs to be flexibly connected by a sliding sleeve with the first connecting rod 6 of left frame 4, equally, " U " of described right wing door 16 is as long as there is an end pivotally connected by the first connecting rod 6 of a set of locking mechanism and right frame 5 in the both ends of shape, and the other end only needs to be flexibly connected by a sliding sleeve with the first connecting rod 6 of right frame 5.
In above-described embodiment, described left fan door 15 and right wing door 16 are specifically " U " shape, and in actual applications, described left fan door 15 and right wing door 16 also can be other shape, such as, and tabular, and left fan door 15 and right wing door 16 also can be different.
In above-described embodiment, described guardrail comprises a clamshell doors, this clamshell doors is made up of left fan door 15 and right wing door 16, in actual applications, shown in accompanying drawing 7, described clamshell doors can moreover be only Yishanmen 25, and this is 25 pivotally connected by sliding sleeve locking mechanism with the first connecting rod 6 of the first connecting rod 6 of left frame 4 or right frame 5; Described sliding sleeve locking mechanism is made up of a fixed muffle 17 and a rotational sleeve 18, fixed muffle 17 fixed cover is located on the first connecting rod 6 of left frame 4 or the first connecting rod 6 of right frame 5, rotational sleeve 18 to be movably set on the first connecting rod 6 of left frame 4 or the first connecting rod 6 of right frame 5 and to be positioned at above fixed muffle 17, and described door 25 relatively rotates sleeve 18 and fixes; The lower end edge of described rotational sleeve 18 is equipped with a clamping block 19 downwards, and on the upper end edge of fixed muffle 17, correspondence is provided with lock slots 20, described clamping block 19 and lock slots 20 embed and coordinate; There is in described lock slots 20 oblique slippage spigot surface 21 and a vertical stop surface 22, described oblique slippage spigot surface 21 is around the center of rotation of door 25 inside workbench 2 and the extension that is inclined upwardly, vertical stop surface 22 correspondence be positioned at oblique slippage spigot surface 21 towards the end side outside workbench 2; Described clamping block 19 corresponds to vertical stop surface 22 and be provided with vertical fitting face 23, be provided with oblique fitting face 24 corresponding to oblique slippage spigot surface 21; When door 25 place closed condition, the vertical fitting face 23 of clamping block 19 and the vertical stop surface 22 of lock slots 20 contact cooperation, limit door 25 and outwards open; When door 25 is inwardly opened, the oblique fitting face 24 of clamping block 19 along the oblique slippage spigot surface 21 of lock slots 20 inside door 25 upward sliding.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (5)
1. a ladder type operation post, is characterized in that: comprise a folding ladder (1) and be located at the workbench (2) on folding ladder (1) top;
Described workbench (2) carries bottom surface (3) by one and is located in the guardrail carrying bottom surface (3) surrounding and forms, and described guardrail comprises a left frame (4) and a right frame (5); Described left frame (4) is oppositely arranged with right frame (5) and its agent structure is identical; The agent structure of described left frame (4) and right frame (5) includes the first connecting rod (6) be located on same plane, second connecting rod (7) and third connecting rod (8), described third connecting rod (8) relatively carries bottom surface (3) and is transversely arranged in above it, described first connecting rod (6) is vertically connected between third connecting rod (8) and carrying bottom surface (3), and first connecting rod (6) is pivotally connected with the junction of third connecting rod (8), first connecting rod (6) is also pivotally connected with the junction of carrying bottom surface (3); Described second connecting rod (7) is also vertically connected between third connecting rod (8) and carrying bottom surface (3), and second connecting rod (7) is also pivotally connected with the junction of third connecting rod (8), second connecting rod (7) is also pivotally connected with the junction of carrying bottom surface (3), respectively form a lanar four rod mechanism with this left frame (4) and right frame (5), make workbench (2) collapsible in the longitudinal direction;
Described folding ladder (1) comprises front ladder (9) and rear ladder (10), and before described, ladder (9) comprises left pillar (11), right pillar (12) and mark time (13); Described left pillar (11) is fixedly connected with the first connecting rod (6) of left frame (4) and right pillar (12) is fixedly connected with the first connecting rod (6) of right frame (5), or described left pillar (11) is fixedly connected with the second connecting rod (7) of left frame (4) and right pillar (12) is fixedly connected with the second connecting rod (7) of right frame (5); Described rear ladder (10) is upper is provided with stop support (14) corresponding to carrying bottom surface (3), when workbench (2) is under the state of organizing work, its carrying bottom surface (3) coordinates with stop support (14), and stop support (14) restriction carrying bottom surface (3) overturns downwards;
Described guardrail also comprises a clamshell doors, this clamshell doors is made up of left fan door (15) and right wing door (16), left fan door (15) is pivotally connected by sliding sleeve locking mechanism with the first connecting rod (6) of left frame (4), and right wing door (16) is also pivotally connected by sliding sleeve locking mechanism with the first connecting rod (6) of right frame (5); Described sliding sleeve locking mechanism is made up of a fixed muffle (17) and a rotational sleeve (18), fixed muffle (17) fixed cover is located on the first connecting rod (6) of left frame (4) or the first connecting rod (6) of right frame (5), the first connecting rod (6) of first connecting rod (6) or right frame (5) that rotational sleeve (18) is movably set in left frame (4) is gone up and is positioned at fixed muffle (17) top, and left fan door (15) or right wing door (16) relatively rotate sleeve (18) and fix; The lower end edge of described rotational sleeve (18) is equipped with a clamping block (19) downwards, and on the upper end edge of fixed muffle (17), correspondence is provided with lock slots (20), described clamping block (19) and lock slots (20) embed and coordinate; There is in described lock slots (20) an oblique slippage spigot surface (21) and a vertical stop surface (22), described oblique slippage spigot surface (21) is around the center of rotation of left fan door (15) or right wing door (16) towards workbench (2) inner side and the extension that is inclined upwardly, vertical stop surface (22) correspondence be positioned at oblique slippage spigot surface (21) towards workbench (2) end side outward; The upper vertical stop surface (22) that corresponds to of described clamping block (19) is provided with vertical fitting face (23), is provided with oblique fitting face (24) corresponding to oblique slippage spigot surface (21); When left fan door (15) or right wing door (16) place closed condition, the vertical fitting face (23) of clamping block (19) and the vertical stop surface (22) of lock slots (20) contact cooperation, limit left fan door (15) or right wing door (16) is outwards opened; When left fan door (15) or right wing door (16) are inwardly opened, the oblique fitting face (24) of clamping block (19) along the oblique slippage spigot surface (21) of lock slots (20) inside clamshell doors upward sliding.
2. a ladder type operation post, is characterized in that: comprise a folding ladder (1) and be located at the workbench (2) on folding ladder (1) top;
Described workbench (2) carries bottom surface (3) by one and is located in the guardrail carrying bottom surface (3) surrounding and forms, and described guardrail comprises a left frame (4) and a right frame (5); Described left frame (4) is oppositely arranged with right frame (5) and its agent structure is identical; The agent structure of described left frame (4) and right frame (5) includes the first connecting rod (6) be located on same plane, second connecting rod (7) and third connecting rod (8), described third connecting rod (8) relatively carries bottom surface (3) and is transversely arranged in above it, described first connecting rod (6) is vertically connected between third connecting rod (8) and carrying bottom surface (3), and first connecting rod (6) is pivotally connected with the junction of third connecting rod (8), first connecting rod (6) is also pivotally connected with the junction of carrying bottom surface (3); Described second connecting rod (7) is also vertically connected between third connecting rod (8) and carrying bottom surface (3), and second connecting rod (7) is also pivotally connected with the junction of third connecting rod (8), second connecting rod (7) is also pivotally connected with the junction of carrying bottom surface (3), respectively form a lanar four rod mechanism with this left frame (4) and right frame (5), make workbench (2) collapsible in the longitudinal direction;
Described folding ladder (1) comprises front ladder (9) and rear ladder (10), and before described, ladder (9) comprises left pillar (11), right pillar (12) and mark time (13); Described left pillar (11) is fixedly connected with the first connecting rod (6) of left frame (4) and right pillar (12) is fixedly connected with the first connecting rod (6) of right frame (5), or described left pillar (11) is fixedly connected with the second connecting rod (7) of left frame (4) and right pillar (12) is fixedly connected with the second connecting rod (7) of right frame (5); Described rear ladder (10) is upper is provided with stop support (14) corresponding to carrying bottom surface (3), when workbench (2) is under the state of organizing work, its carrying bottom surface (3) coordinates with stop support (14), and stop support (14) restriction carrying bottom surface (3) overturns downwards;
Described guardrail also comprises one (25), the first connecting rod (6) of this door (25) and left frame (4) or the first connecting rod (6) of right frame (5) pivotally connected by sliding sleeve locking mechanism; Described sliding sleeve locking mechanism is made up of a fixed muffle (17) and a rotational sleeve (18), fixed muffle (17) fixed cover is located on the first connecting rod (6) of left frame (4) or the first connecting rod (6) of right frame (5), the first connecting rod (6) of first connecting rod (6) or right frame (5) that rotational sleeve (18) is movably set in left frame (4) is gone up and is positioned at fixed muffle (17) top, and described door (25) relatively rotates sleeve (18) and fixes; The lower end edge of described rotational sleeve (18) is equipped with a clamping block (19) downwards, and on the upper end edge of fixed muffle (17), correspondence is provided with lock slots (20), described clamping block (19) and lock slots (20) embed and coordinate; There is in described lock slots (20) an oblique slippage spigot surface (21) and a vertical stop surface (22), described oblique slippage spigot surface (21) be around door (25) center of rotation towards workbench (2) inner side and the extension that is inclined upwardly, vertical stop surface (22) correspondence be positioned at oblique slippage spigot surface (21) towards workbench (2) end side outward; The upper vertical stop surface (22) that corresponds to of described clamping block (19) is provided with vertical fitting face (23), is provided with oblique fitting face (24) corresponding to oblique slippage spigot surface (21); When door (25) place closed condition, the vertical fitting face (23) of clamping block (19) and the vertical stop surface (22) of lock slots (20) contact cooperation, limit door (25) and outwards open; When door (25) is inwardly opened, the oblique fitting face (24) of clamping block (19) is inner side upward sliding along the oblique slippage spigot surface (21) of lock slots (20) to door (25).
3. ladder type operation post according to claim 1 and 2, it is characterized in that: between described stop support (14) and carrying bottom surface (3), be provided with locking mechanism, described locking mechanism comprises one with the pin thread (26) of operating side and a box (27), described pin thread (26) is pivotally connected with carrying bottom surface (3), and its end is provided with the first hook side (28) upward; Described box (27) is located on rear ladder (10), and upper corresponding first hook side (28) of box (27) is provided with the second hook side (29) downward, the upper effect of described pin thread (26) has spring (30), the active force of this spring (30) forces the first hook side (28) to be engaged down in working order with the second hook side (29), stops on workbench (2) and turns over.
4. ladder type operation post according to claim 1 and 2, it is characterized in that: the pull bar (31) also comprising an oblique setting, one end of described pull bar (31) is hinged with carrying bottom surface (3), and the other end is hinged with rear ladder (10), makes rear ladder (10) and workbench (2) interlock with this.
5. ladder type operation post according to claim 1 and 2, is characterized in that: the first connecting rod (6) of described left frame (4) and the first connecting rod (6) of right frame (5) all extend back and be connected to form rear side frame by a cross bar.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310168988.8A CN103233675B (en) | 2013-05-09 | 2013-05-09 | Ladder type working platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310168988.8A CN103233675B (en) | 2013-05-09 | 2013-05-09 | Ladder type working platform |
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| CN103233675A CN103233675A (en) | 2013-08-07 |
| CN103233675B true CN103233675B (en) | 2015-02-18 |
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| CN201310168988.8A Active CN103233675B (en) | 2013-05-09 | 2013-05-09 | Ladder type working platform |
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| EP3411556A4 (en) * | 2016-02-05 | 2019-09-18 | Wing Enterprises, Inc. | Elevated working platform and related methods |
| FR3111940A1 (en) * | 2020-06-29 | 2021-12-31 | Cdh Group | GATE LEAF FOR WORK PLATFORM AT HEIGHT AND WORK PLATFORM INCLUDING SUCH A GATE LEAF |
| EP3940189A1 (en) * | 2020-07-15 | 2022-01-19 | CDH Group | Device for working at height with articulated railing and automatic gate |
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| FR3113695B1 (en) | 2020-08-27 | 2022-10-07 | Cdh Group | DEVICE FOR WORKING AT HEIGHT WITH ARTICULATED GUARDRAIL AND MEANS OF MAINTAINING IN FOLDED POSITION |
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|---|---|---|---|---|
| EP3411556A4 (en) * | 2016-02-05 | 2019-09-18 | Wing Enterprises, Inc. | Elevated working platform and related methods |
| EP3904631A1 (en) * | 2016-02-05 | 2021-11-03 | Little Giant Ladder Systems, LLC | Elevated working platform and related methods |
| EP4198252A1 (en) * | 2016-02-05 | 2023-06-21 | Little Giant Ladder Systems, LLC | Elevated working platform |
| FR3111940A1 (en) * | 2020-06-29 | 2021-12-31 | Cdh Group | GATE LEAF FOR WORK PLATFORM AT HEIGHT AND WORK PLATFORM INCLUDING SUCH A GATE LEAF |
| EP3933157A1 (en) * | 2020-06-29 | 2022-01-05 | CDH Group | Leaf of a gate for a platform for working at height and work platform comprising such a gate leaf |
| EP3940189A1 (en) * | 2020-07-15 | 2022-01-19 | CDH Group | Device for working at height with articulated railing and automatic gate |
| FR3112570A1 (en) * | 2020-07-15 | 2022-01-21 | Cdh Group | DEVICE FOR WORKING AT HEIGHT WITH ARTICULATED GUARDRAIL AND AUTOMATIC GATE |
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| CN103233675A (en) | 2013-08-07 |
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Effective date of registration: 20200525 Address after: Utah, USA Patentee after: Little giant Address before: 215164 Jiangsu city of Suzhou province Wuzhong District Xu Kou Zhen Mao Peng Lu, No. 109 Patentee before: SUZHOU PICA ALUMINUM INDUSTRY Ltd. |
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