CN110836086A

CN110836086A - Telescopic ladder with inclined strut and folding platform

Info

Publication number: CN110836086A
Application number: CN201810943725.2A
Authority: CN
Inventors: 张传生
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-08-18
Filing date: 2018-08-18
Publication date: 2020-02-25

Abstract

The existing ladders in the market do not have working platforms, are only suitable for carrying out simple operation activities in a short time, and people can not stand or sit on the upper side for a long time to carry out complex operation activities. The invention mainly comprises a telescopic ladder, a supporting device connected to one side of the ladder, a folding platform device in the middle of the ladder, a guardrail device and an auxiliary device.

Description

Telescopic ladder with inclined strut and folding platform

Technical Field

The invention relates to a ladder, in particular to a telescopic combined ladder with inclined struts and a folding platform.

Background

The existing ladders in the market do not have working platforms, are only suitable for carrying out simple operation activities in a short time, and people can not stand or sit on the upper side for a long time to carry out complex operation activities.

Disclosure of Invention

The invention aims to solve the defects that the existing ladder in the prior art is not provided with a working platform, is not suitable for long-term work and has poor safety, and provides a telescopic ladder with inclined struts and a folding platform.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a flexible ladder that closes with bracing and folding platform, includes flexible ladder to and link at the strutting arrangement of ladder one side, folding platform device and guardrail device, auxiliary device four bibliographic categories in the middle of the ladder divide and constitute.

Preferably, the ladder be the pipe extension ladder, the extension ladder is two sets altogether, the pipe extension ladder top two sections do not have the stull, be provided with pipe box I respectively on the top of the top one section of two sets of extension ladder telescopic links, the inboard of pipe box I is provided with the linking arm, the top of linking arm is provided with corresponding round hole I respectively, the inboard of round hole I is connected with the pivot, the outside of pivot is provided with the bracing. The outer side of one section is provided with connecting axle I respectively in the middle of two sets of extension ladders, is connected with the one-level support arm on the connecting axle I, and the one-level support arm is connected with the second grade support arm through connecting axle II again, and the top of two sets of corresponding second grade support arms is provided with corresponding round hole II, and the centre of two pairs of corresponding round holes II is provided with little telescopic link, and the top of little telescopic link is provided with the go-between, and the go-between cover is.

Preferably, folding platform device concrete connection mode include, be fixed with connection ear seat I on two sets of pipe extension ladder third level studdles respectively, connection ear seat I is connected with ear seat II that correspond through the pivot, II a set of two of ear seats are fixed respectively on the landing slab, two landing slabs pass through the cross-axis connection, are provided with the pull board in the middle of the bottom of landing slab.

Preferably, the guardrail device articulated have U-shaped guardrail I in the outside of two pipe box I that correspond of each set of pipe extension ladder, be connected with pipe box II on the second section of each set of extension ladder, articulated have U-shaped guardrail II between every two pipe box II that correspond.

Preferably, the auxiliary device is provided with an adjusting lead screw at the bottom of the circular tube extension ladder, and the bottom of the adjusting lead screw is provided with an anti-skid sheath.

Preferably, the auxiliary device further comprises a cushion.

Preferably, the auxiliary device further comprises a caster.

The ladder changes the structure of the traditional ladder, the working platform is arranged at the middle upper part of the ladder, the working area of the working platform is increased, and meanwhile, facilities such as a cushion, a guardrail and the like are arranged, so that workers can work more easily and safely; meanwhile, the product is additionally provided with the inclined strut and the adjusting supporting leg, so that the integral structure is more reasonable, the equipment is more stable, and the use is safer; meanwhile, the product is additionally provided with the trundles, so that the equipment is convenient to transport; in a word, compared with the traditional ladder combination product, the ladder combination product is safer, more convenient and more practical, is a revolutionary climbing product, and has important positive significance for promoting the development of the high-altitude operation industry.

Drawings

FIG. 1 is a schematic side view of the present invention in a collapsed configuration;

FIG. 2 is a schematic view of the invention in its collapsed transverse configuration;

FIG. 3 is a schematic side view of the present invention in operation;

FIG. 4 is a schematic view of the structure of the small telescopic rod of the present invention;

FIG. 5 is a schematic diagram of the platform structure of the present invention.

In the figure: 1. pipe extension ladder 2, pipe box I3, linking arm 4, round hole I5, pivot 6, bracing 7, connecting axle I8, one-level support arm 9, connecting axle II 10, second grade support arm 11, round hole II 12, little telescopic link 13, go-between 14, connect ear seat I15, pivot 16, ear seat II 17, landing slab 18, cross axle 19, pull board 20, U-shaped guardrail I21, pipe box II 22, U-shaped guardrail II 23, adjusting screw 24, anti-skidding sheath 25, cushion 26, the truckle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, the telescopic ladder with the inclined strut and the folding platform comprises a telescopic ladder, a supporting device connected to one side of the ladder, a folding platform device in the middle of the ladder, a guardrail device and an auxiliary device.

The ladder 1 used by the invention is a circular tube extension ladder (see figures 1, 2 and 3), the structure and the size of the two sets of extension ladders are completely the same, the difference of the circular tube extension ladder used by the invention and the traditional circular tube extension ladder is that the uppermost two sections of the ladder used by the invention have no cross braces, the top ends of the uppermost sections of the two sets of extension ladder extension ladders are respectively provided with a pipe sleeve I2, the inner sides of the pipe sleeves I2 are provided with connecting arms 3, the top ends of the connecting arms 3 are respectively provided with corresponding circular holes I4, the inner sides of the circular holes I4 are connected with shaft pins 5, the outer sides of the shaft pins 5 are provided with inclined struts 6, the inclined struts 6 are telescopic rods, the outer sides of the middle sections of the two sets of extension ladders are respectively provided with connecting shafts I7, the connecting shafts I7 are connected with primary support arms 8, the size structures of the four primary support arms 8, the size structure of four second grade support arms 10 is also identical completely, be provided with corresponding round hole II 11 on the top of two sets of second grade support arms 10 that correspond, two pairs of centre that correspond round hole II 11 are established (see fig. 4) and are put little telescopic link 12, the top of little telescopic link 12 is provided with go-between 13, go-between 13 cover is on bracing 6, and can freely slide on bracing 6, when this flexible ladder that closes uses, bracing 6 and little telescopic link 12 can outwards stretch out respectively, be triangular distribution with the extension ladder, make the structure of whole ladder more stable.

The folding platform device used in the invention has the specific connection modes including (see figure 1, figure 2 and figure 3), connecting lug seats I14 (shown in figure 5) are respectively fixed on the third-level cross braces of the two sets of circular tube extension ladders 1, the connecting lug seats I14 are connected with corresponding lug seats II 16 through shaft pins 15, two lug seats II 16 are respectively fixed on the platform plates 17 in a group, the two platform plates 17 are connected through a cross shaft 18, in order to further ensure the firmness of the platform device, at the bottom of the platform plate 17, a drawing plate 19 is arranged between the two connecting lug seats I14, when the equipment is not used, the drawing plate 19 needs to be drawn out, the two sets of circular tube extension ladders 1 are folded inwards, the platform plate 17 is folded upwards and is drawn close together, when the equipment is needed, the two sets of circular tube extension ladders 1 are extended outwards, the platform plate 17 is folded downwards to form a horizontal body, and then the drawing plate 19 is inserted into the bottom of the platform plate 17.

According to the invention, the guardrail device used by the invention comprises U-shaped guardrails I20 hinged to the outer sides of two corresponding pipe sleeves I2 of each set of circular pipe extension ladder 1 (shown in figures 3 and 5), a pipe sleeve II 21 connected to the second section of each set of extension ladder 1, a U-shaped guardrail II 22 hinged between each two corresponding pipe sleeves II 21, wherein the U-shaped guardrails I20 and the U-shaped guardrails II 22 can rotate upwards and downwards, when a person prepares for working, the U-shaped guardrails I20 are lifted upwards, the U-shaped guardrails II 22 are pressed downwards at the same time, the working platform is filled with the working platform, the U-shaped guardrails I20 are pressed downwards when the working platform starts to work, and the U-shaped guardrails II 22 are lifted upwards at the same time, so that the U-shaped guardrails I20 and the U-shaped guardrails.

In the invention, the auxiliary device used in the invention comprises an adjusting lead screw 23 arranged at the bottom of the circular tube extension ladder 1 for enhancing the adaptability of the equipment to the environment (see fig. 1, fig. 2 and fig. 3), an anti-skid sheath 24 arranged at the bottom of the adjusting lead screw 23, and the corresponding lead screw 23 can be adjusted at the place with uneven ground or steps, so that the four supporting legs are all in a stressed state, and the equipment can run stably and safely.

In the invention, the auxiliary device used by the invention also comprises a cushion 25 (shown in figure 5), people can be tired when standing for long time work, the traditional ladder has no platform or the platform is very small, and the people can not sit on the platform to work, the platform can have larger area, and the people can sit on the platform to work and work more easily, the cushion 25 is arranged independently, and is directly paved on the platform plate 17 when in use and is directly taken down when not in use.

In the invention, the auxiliary device used by the invention also comprises the caster 26 (see fig. 1, 2 and 3), because the platform, the guardrail and other auxiliary facilities are added, the self weight of the equipment is larger than that of the telescopic ladder combination of the same type, in order to facilitate the transportation of the equipment, the caster 26 is added to the product, and the two casters 26 are fixed at the bottom of one set of the round tube telescopic ladder 1.

In the concrete implementation, when the device is used, a product is taken to a working place, the product is in a contraction state at the moment, the secondary support arm 10 is pulled out upwards, the two sets of circular tube extension ladders 1 are pulled out upwards to a proper height, then the two sets of circular tube extension ladders 1 are respectively pulled out outwards, when the platform board 17 is in a horizontal state, the product is completely opened to the working state, the pull-out board 19 is inserted below the platform board 17 and abuts against a first cross brace of the circular tube extension ladder 1, then the small extension ladder 12 and the inclined strut 6 are respectively pulled out outwards, so that the inclined strut 6 outwards supports against the circular tube extension ladder 1, at the moment, a worker can climb upwards along the ladder, when climbing to be close to the platform board 17, the U-shaped guardrail I is lifted upwards, the U-shaped guardrail II 22 is pressed downwards, the worker enters the working platform, the U-shaped guardrail I20 is pressed downwards, the U-shaped guardrail II 22 is lifted upwards, so that the U-shaped guardrail I20 and the U-shaped guardrail II 22, the work can be started, when the worker feels that the work is tired, the cushion 25 can be put down and the worker can sit on the cushion 25 to work; if the ground of the working place is uneven or has steps, the height of the screw 23 can be adjusted, so that the whole equipment is in a horizontal stable state, and then the operation is started.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a flexible ladder that closes with bracing and folding platform which characterized in that: the method comprises the following steps: the telescopic ladder comprises a telescopic ladder, a supporting device connected to one side of the ladder, a folding platform device and a guardrail device in the middle of the ladder, and an auxiliary device, wherein the ladder comprises a round tube telescopic ladder 1 which is two sets of telescopic ladders, the two sets of telescopic ladders are identical in structure and size, the round tube telescopic ladder used by the invention is different from the traditional round tube telescopic ladder in that the two uppermost sections of the ladder used by the invention are not provided with cross braces, pipe sleeves I2 are respectively arranged at the top ends of the uppermost sections of the telescopic rods of the two telescopic ladders, connecting arms 3 are arranged on the inner sides of the pipe sleeves I2, the top ends of the connecting arms 3 are respectively provided with corresponding round holes I4, the inner sides of the round holes I4 are connected with shaft pins 5, inclined struts 6 are arranged on the outer sides of the shaft pins 5, each inclined strut 6 is a telescopic ladder, connecting shafts I7 are respectively arranged on, four 8 one-level support arms's size structure is identical completely, 8 rethread connecting axles II 9 of one-level support arm are connected with second grade support arm 10, four 10 also identical second grade support arm size structures, be provided with corresponding round hole II 11 on the top of two sets of second grade support arms 10 that correspond, the centre of two pairs of round holes II 11 that correspond is provided with little telescopic link 12, the top of little telescopic link 12 is provided with go-between 13, go-between 13 covers is on bracing 6, and can freely slide on bracing 6, when this flexible ladder that closes uses, bracing 6 and little telescopic link 12 can outwards stretch out respectively, be triangular distribution with the extension ladder, make the structure of whole ladder more stable.

2. The telescopic ladder with the inclined struts and the folding platform as claimed in claim 1 is characterized in that: the folding platform device concrete connection mode include, be fixed with connection ear seat I14 on two sets of 1 third level crossbearers of pipe extension ladder respectively, connection ear seat I14 is connected with ear seat II 16 that corresponds through pivot 15, two a set ofly of ear seat II 16 are fixed respectively on landing slab 17, two landing slab 17 pass through cross axle 18 and connect, for further guaranteeing the fastness of platform device, in the bottom of landing slab 17, the centre of two connection ear seats I14 is provided with pull board 19, when equipment does not use, need take pull board 19 out, two sets of pipe extension ladder 1 fold together inwards, landing slab 17 is upwards rolled up, draw together, when needing to use this equipment, two sets of pipe extension ladder 1 are outwards stretched out, landing slab 17 is rolled up into the horizontal body downwards, then with pull board 19 insert the bottom of landing slab 17 can.

3. The telescopic ladder with the inclined struts and the folding platform as claimed in claim 1 is characterized in that: guardrail device include that the outside of pipe box I2 of two correspondences of each set pipe extension ladder 1 articulates there is U-shaped guardrail I20, be connected with pipe box II 21 on the second festival of each set extension ladder 1, it has U-shaped guardrail II 22 to articulate between every two pipe boxes II 21 that correspond, U-shaped guardrail I20 and U-shaped guardrail II 22 can upwards rotate downwards, upwards lift U-shaped guardrail I20 when the people prepares the work, press U-shaped guardrail II 22 simultaneously, get into in the work platform, press U-shaped guardrail I20 when beginning to work, upwards lift U-shaped guardrail II 22 simultaneously, make U-shaped guardrail I20 and U-shaped guardrail II 22 be in the horizontality, just can begin to work.

4. The telescopic ladder with the inclined struts and the folding platform as claimed in claim 1 is characterized in that: the auxiliary device comprises an adjusting lead screw 23 arranged at the bottom of the circular tube extension ladder 1 for enhancing the adaptability of the equipment to the environment (see fig. 1, fig. 2 and fig. 3), the bottom of the adjusting lead screw 23 is provided with an anti-skidding sheath 24, the corresponding lead screw 23 can be adjusted at a place with uneven ground or steps, so that the four support legs are all in a stressed state, and the equipment can run stably and safely.

5. The telescopic ladder with the inclined struts and the folding platform as claimed in claim 1 is characterized in that: the auxiliary device also comprises a cushion 25 (shown in figure 5), people can be tired when standing for long time work, the traditional ladder has no platform or the platform is very small, and the people can not sit for work.

6. The telescopic ladder with the inclined struts and the folding platform as claimed in claim 1 is characterized in that: the auxiliary device also comprises trundles 26 (see fig. 1, 2 and 3). As the platform, the guardrail and other auxiliary facilities are additionally arranged, the self weight of the equipment is larger than that of telescopic ladders of the same type, and the trundles 26 are additionally arranged on the product for facilitating the transportation of the equipment, and the trundles 26 are fixed at the bottom of one set of round tube telescopic ladder 1.