CN202611567U - A-shaped safety ladder - Google Patents
A-shaped safety ladder Download PDFInfo
- Publication number
- CN202611567U CN202611567U CN 201220124182 CN201220124182U CN202611567U CN 202611567 U CN202611567 U CN 202611567U CN 201220124182 CN201220124182 CN 201220124182 CN 201220124182 U CN201220124182 U CN 201220124182U CN 202611567 U CN202611567 U CN 202611567U
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- China
- Prior art keywords
- ladder body
- ladder
- side ladder
- front side
- rear side
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- Withdrawn - After Issue
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Abstract
The utility model discloses an A-shaped safety ladder, which comprises a front side ladder body (1) and a rear side ladder body (2), wherein the top of the front side ladder body (1) is hinged with the top of the rear side ladder body (2); the front side ladder body (1) comprises front supporting columns (11) arranged on the left side and the right side and a plurality of transverse pedals (12) transversely connected between the two front supporting columns (11); the rear side ladder body (2) comprises rear supporting columns (21) arranged on the left side and the right side and an upper connecting rod (22) and a lower connecting rod (23) which are respectively connected to the top and the bottom of the two rear supporting columns (21), and no transverse pedal is arranged between the upper connecting rod and the lower connecting rod; and a front sealing plate (15) and a rear sealing plate (25) which are used for limiting people from climbing to the top of the ladder are respectively fixed on the upper parts of the front side ladder body and the rear side ladder body, so that a constructor can lean on the sealing plates and keep the body balanced during climbing, and the strength and the stability of the ladder body are enhanced. Due to the A-shaped safety ladder, a phenomenon of an accident caused by a reason that a user moves by crossing two sides of the ladder or climbs to the top of the ladder can be avoided; the ladder body is made of an insulative material, so that electric shock can be prevented; and the A-shaped safety ladder is used safely.
Description
Technical field
The device of the utility model and a kind of usefulness of climbing to a higher point; Relate in particular to a kind of A font ladder of the insulation of using in the construction site; The utility model device is applicable to construction sites such as building, decoration, maintenance, the safety of using the utility model device can improve site construction greatly.
Background technology
In the building site, often will use auxiliary ascend operation instrument to decoration and maintenance mans, some local administrative regulation also stipulates, need use workbench liftoff when working more than 2 meters.Construction site auxiliary ascend operation instrument commonly used generally uses double ladder at present.The patent No. is that 200520063300.0 utility model patent discloses a kind of self locking safety double ladder; This double ladder is formed by connecting through connector two vertical ladder bodies; The vertical ladder body at interval is connected with some pedals respectively by two terraced bars and constitutes, and connector is to be connected through the hinge and to be formed by the secondary and right pair that connects of Left-wing Federation's knot.The structure of existing double ladder is similar; But generally have following two common ground: 1, the structure of two vertical ladder bodies is symmetrical fully; The cross bar of ladder all is by the fixed distance top of frame to ladder always, and promptly the both sides of ladder all are provided with the cross bar that supplies the constructor to trample; 2, majority is made by metal material.
Ascend operation on the construction site often need be changed construction location with construction speed, for the progress that do not dally over one's work, perhaps dislikes climbing up and climbs down that to move ladder cumbersome; Some constructor just directly rides over the top of double ladder; Ride on the cross bar of the both sides of double ladder, directly move double ladder with pin, utilize the inertia of health realize double ladder about in addition move forward and backward to arrive new construction location; The constructor sometimes in addition both feet step on to the top of ladder and come operation; Therefore though can accelerate job schedule like this, whole process all will rely on pin to pin double ladder, and careless slightly constructor will be falls and injured from double ladder.On the other hand, the power supply facilities on the construction site is many all to be built temporarily, and the situation that electric wire is exposed to construction ground often occurs, and the double ladder that metal material is made can cause that the constructor gets an electric shock when running into the electric wire of damage.
The utility model content
The utility model to the deficiency of existing auxiliary ascend operation instrument double ladder structure design, provides a kind of and can effectively reduce the A font emergency staircase that the construction contingency takes place on the basis of summing up a large amount of job site contingency origin causes of formation of research.
The utility model adopts following technical scheme like a kind of A font emergency staircase, comprises front side ladder body and rear side ladder body that top movable connects, involves through collapsible connecting rod in the middle part of said front side ladder body and the terraced body of rear side and is in the same place; It is characterized in that: the terraced body of said front side ladder body and rear side is made by insulation materials and both are symmetrical arrangements;
About said front side ladder body comprises two vertical before the horizontal pedal of support columns before support column and the horizontal cross-over connection two of polylith, constitute the work plane that can ascend a height thus; Two vertical back support columns and the upper connecting rod and the lower connecting rod of cross-over connection two support column tops, back and bottom respectively were not provided with horizontal pedal about said rear side ladder body comprised between said upper connecting rod and lower connecting rod, constituted pedalless non-working surface thus.Because to have only the front is work plane to the utility model device, the constructor can not be across the both sides operation of ladder, thereby has reduced the accident rate of ascend operation.
Said front side ladder body and rear side ladder body top are installed with the preceding shrouding and back shrouding on restriction climbing to ladder top respectively; Should not only can the constructor climb by preceding shrouding to the ladder top; Can also supply constructor's health to lean on guaranteeing that the constructor keeps one's balance when the ascend operation, and can strengthen the intensity and the steadiness of terraced body; And the horizontal pedal of ladder body the top, said front side has 800 millimeters at least apart from the distance of terraced body in front side and junction, the terraced body top of rear side, and this structure can be stopped the constructor and climb the dangerous operation of moving ladder to the very useful both feet of ladder and be accustomed to.
Said front side ladder body adopts the wooden or engineering plastic materials of insulation to be made with rear side ladder body, so the utility model device insulate fully, so can prevent that the constructor from getting an electric shock.When adopting engineering plastic materials, said front side ladder body and rear side ladder body are injection mo(u)lding.
Said horizontal pedal upper surface is provided with anti-slip tank.Shrouding is 250-450 millimeters with the height of back shrouding before said.The width of said horizontal pedal is the 70-80 millimeter, and its thickness is the 15-25 millimeter.
Compared with prior art; The A font emergency staircase of the utility model only is provided with horizontal pedal at side ladder body; And opposite side ladder body is not established horizontal pedal; Can prevent that thus the constructor from meeting accident across the both sides operation of terraced body, the horizontal pedal of the A font emergency staircase one side ladder body the top of the utility model apart from terraced apex distance from far away, and terraced body top be provided with before and after shrouding; This front and back shrouding can prevent that not only the constructor from climbing the dangerous operation behavior of moving ladder to the very useful both feet of ladder, and can lean on to guarantee that the constructor keeps one's balance, strengthens the intensity and the steadiness of terraced body when the ascend operation for constructor's health.The ladder of the utility model adopts insulation materials to be made, and therefore the ability protection against electric shock uses safer.
Description of drawings
Fig. 1 is the structural representation of the utility model safety A word ladder.
The specific embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done further detailed description.
As shown in Figure 1; The safe A word ladder of the utility model mainly is made up of front side ladder body 1 and rear side ladder body 2; This front side ladder body 1 is hinged at the top with rear side ladder body 2, and couples together through strut 3 at the middle part, side, forms the structure that a side is the A font thus.
Said front side ladder body 1 each side is provided with a preceding support column 11, laterally is installed with the horizontal pedal 12 of polylith between the preceding support column 11 of these both sides, and the distance between the adjacent horizontal pedal 12 is about 305 millimeters, and this distance can be done suitable adjustment according to the height of ladder.Horizontal pedal 12 is designed to plate, and its width is the 70-80 millimeter, and thickness is the 15-25 millimeter, and the contact surface in the time of can increasing step improves security performance, and width is 75 millimeters in the present embodiment, and thickness is 20 millimeters.In addition, said horizontal pedal 12 upper surfaces are provided with the anti-slip tank 16 that V-arrangement is presented in the cross section, have further increased the safety of horizontal pedal 12.In order to prevent that the constructor from climbing to the operation of terraced top and the fallen accident that meets accident, the horizontal pedal 12 of ladder body 1 the top, front side is not less than 800 millimeters apart from the distance of terraced body 1 in front side and hinged place, terraced body 2 top of rear side, is 845 millimeters in the present embodiment.
Said rear side ladder body 2 each side be provided with one after support column 21; The top of this two rear flank support column 21 and bottom link together through upper connecting rod 22 and lower connecting rod 23 respectively, form a roughly trapezoidal structure, between said upper connecting rod 22 and the lower connecting rod 23 horizontal pedal are not set; So; The constructor just can't ride in the both sides of ladder and come operation, also can't clamp the ladder both sides and move ladder, has avoided the generation of above-mentioned hazardous act thus to greatest extent.
In addition; Ladder body 1 top, said front side is positioned at that the external surface of support column 11 is installed with preceding shrouding 15 before the both sides; Rear side ladder body 2 tops are positioned at that the external surface of support column 21 is installed with back shrouding 25 behind the both sides; Shrouding 15 is 250-450 millimeters with the height of back shrouding 25 before said, is 330 millimeters in the present embodiment.The benefit of shrouding 15 and back shrouding 25 is to prevent that the constructor from climbing to the ladder top or the folder ladder moves before being provided with, and can supply body-support to keep balance, to strengthen the intensity and the steadiness of terraced body.
In order to prevent that ladder from getting an electric shock; Said front side ladder body 1 and rear side ladder body 2 whole wood materials that adopt insulation; Adopt joggle to fix before said between support column 11 and the horizontal pedal 12, also adopt joggle to fix between said upper connecting rod 22 and lower connecting rod 23 and the back support column 21.Said front side ladder body 1 also can adopt the engineering plastic materials injection mo(u)lding with rear side ladder body 2.
The middle part that connects the said front side ladder body 1 and the strut 3 of rear side ladder body 2 sides is rotating structure; Thereby these strut 3 both sides launch in line front side ladder body 1 and rear side ladder body 2 to be separated into the A font during use; And when not using; Can front side ladder body 1 and rear side ladder body 2 be folded up thereby can the both sides of strut 3 be folded, conveniently deposit and move.
The above is the preferred embodiment of the utility model, is not limited to the utility model, all modifications of in the utility model spirit and principle, being done, is equal to replacement or improvement etc., all should be included in the protection domain of the utility model.
Claims (10)
1. an A font emergency staircase comprises front side ladder body (1) and rear side ladder body (2) that top movable connects, and said front side ladder body (1) and rear side ladder body (2) middle part involve together through collapsible connecting rod (3); It is characterized in that: said front side ladder body (1) is made by insulation materials with the terraced body of rear side (2) and both are symmetrical arrangements;
About said front side ladder body (1) comprises two vertical before the horizontal pedal (12) of support columns (11) before support column (11) and the horizontal cross-over connection two of polylith, constitute the work plane that can ascend a height thus; Two vertical back support columns (21) and the upper connecting rod (22) and the lower connecting rod (23) of cross-over connection two support column (21) tops, back and bottom respectively about said rear side ladder body (2) comprises; Between said upper connecting rod (22) and lower connecting rod (23), horizontal pedal is not set, constitutes pedalless non-working surface thus.
2. A font emergency staircase according to claim 1 is characterized in that: said front side ladder body (1) and rear side ladder body (2) top are installed with the preceding shrouding (15) and the back shrouding (25) on restriction climbing to ladder top respectively.
3. A font emergency staircase according to claim 2 is characterized in that: said horizontal pedal (12) upper surface is provided with anti-slip tank (16).
4. according to the described A font of each claim of claim 1 to 3 emergency staircase, it is characterized in that: said front side ladder body (1) and rear side ladder body (2) adopt wood materials to be made.
5. according to the described A font of each claim of claim 1 to 3 emergency staircase, it is characterized in that: said front side ladder body (1) and rear side ladder body (2) adopt engineering plastics to be made.
6. according to the described A font of each claim of claim 1 to 3 emergency staircase, it is characterized in that: the horizontal pedal (12) of ladder body (1) the top, said front side is not less than 800 millimeters apart from the distance of terraced body in front side (1) and rear side ladder body (2) junction, top.
7. according to claim 2 or the described A font of 3 each claims emergency staircase, it is characterized in that: the height of shrouding (15) and back shrouding (25) is 250-450 millimeters before said.
8. according to the described A font of each claim of claim 1 to 3 emergency staircase, it is characterized in that: the width of said horizontal pedal (12) is the 70-80 millimeter, and its thickness is the 15-25 millimeter.
9. A font emergency staircase according to claim 4; It is characterized in that: adopt joggle to fix before said between support column (11) and the horizontal pedal (12), adopt joggle to fix between said upper connecting rod (22) and lower connecting rod (23) and the back support column (21).
10. A font emergency staircase according to claim 5 is characterized in that: said front side ladder body (1) and rear side ladder body (2) are injection mo(u)lding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220124182 CN202611567U (en) | 2012-03-29 | 2012-03-29 | A-shaped safety ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220124182 CN202611567U (en) | 2012-03-29 | 2012-03-29 | A-shaped safety ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202611567U true CN202611567U (en) | 2012-12-19 |
Family
ID=47345277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220124182 Withdrawn - After Issue CN202611567U (en) | 2012-03-29 | 2012-03-29 | A-shaped safety ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202611567U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075094A (en) * | 2012-03-29 | 2013-05-01 | 有利建筑有限公司 | A-shaped safety ladder |
| CN107386954A (en) * | 2016-05-16 | 2017-11-24 | 长葛市唯美装饰行 | It is a kind of to combine the folding finishing support installed and used |
-
2012
- 2012-03-29 CN CN 201220124182 patent/CN202611567U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075094A (en) * | 2012-03-29 | 2013-05-01 | 有利建筑有限公司 | A-shaped safety ladder |
| CN107386954A (en) * | 2016-05-16 | 2017-11-24 | 长葛市唯美装饰行 | It is a kind of to combine the folding finishing support installed and used |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121219 Effective date of abandoning: 20150715 |
|
| RGAV | Abandon patent right to avoid regrant |