CN203175381U - Industrial foldable A-shaped ladder with platform - Google Patents
Industrial foldable A-shaped ladder with platform Download PDFInfo
- Publication number
- CN203175381U CN203175381U CN 201320086407 CN201320086407U CN203175381U CN 203175381 U CN203175381 U CN 203175381U CN 201320086407 CN201320086407 CN 201320086407 CN 201320086407 U CN201320086407 U CN 201320086407U CN 203175381 U CN203175381 U CN 203175381U
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- China
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- frame
- bracing frame
- pillars
- connecting rod
- pillar
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- Expired - Lifetime
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Abstract
An industrial foldable A-shaped ladder with a platform is formed by a climb frame, a support frame and the platform, wherein the climb frame comprises two first supports; the support frame comprises two second supports connected with each other via connecting rods; locking connecting rods are arranged between the climb frame and the support frame; one ends of the locking connecting rods are hinged with one of the climb frame and the support frame, and locking structures are arranged between the other ends of the locking connecting rods and the other one of the climb frame and the support frame; and a balance support rod is arranged at the lower end of at least one of the climb support and the support frame, the length of the balance support rod is greater than the widths of the climb support and the support frame, and support parts of the balance support rod and the lower end parts of the first supports or/and the second supports are on the same support plane. According to the utility model, the use safety and the stability of the industrial foldable A-shaped ladder with the platform are improved.
Description
Technical field
The utility model relates to ladder, relates in particular to a kind of industrial foldable platforms A type ladder.
Background technology
Industrial foldable platforms A type ladder is used for maintenance street lamp, power equipment, eminence finishing etc., and is because it is highly higher, higher to stability and the security requirement of ladder with respect to the ladder of family expenses.
Existing industrial foldable platforms A type ladder is made up of climbing frame, bracing frame and platform usually, the climbing frame comprises two pillars, between two pillars with the connection of marking time, bracing frame connects laterally by two intercolumniations, and the connection material constitutes, the two pillars upper end of bracing frame and two pillar upper articulations of climbing frame, described platform is a flat board, and two intercolumniations that the one side is hinged on the climbing frame constitute the turnover panel structure, and the horizontal connection material on the corresponding bracing frame in the bottom surface of platform offers groove; When climbing frame and bracing frame launched to be " people " font structure, platform was turned down and is level and rides over by described groove on the horizontal connection material of bracing frame, ladder is positioned at " A " font deployed condition with this.But when the operator stepped on inclined to one side platform, platform was easily dug, and destroyed the deployed condition of ladder, had potential safety hazard.So how solving above-mentioned deficiency just becomes research topic of the present utility model.
Summary of the invention
The purpose of this utility model is to provide a kind of industrial foldable platforms A type ladder of safety and stability.
For achieving the above object, the technical solution adopted in the utility model is: a kind of industrial foldable platforms A type ladder, by a climbing frame, one bracing frame and a platform are formed, described climbing frame comprises two first pillars, between two first pillars by the connection of marking time, support frame as described above comprises two second pillars, connect by connecting rod between two second pillars, two second pillars upper end of bracing frame and two first pillar upper articulations of climbing frame, one side of described platform is hinged on and constitutes the turnover panel structure between two first pillars, and the connecting rod on the corresponding bracing frame in the bottom surface of platform offers groove;
Be provided with the locking connecting rod between described climbing frame and the bracing frame, hinged in an end of this locking connecting rod and climbing frame and the bracing frame is provided with latch-up structure between the other end of locking connecting rod and another person who climbs in frame and the bracing frame;
At least one lower end is provided with the balanced support bar in described climbing frame and the bracing frame, the length of this balanced support bar is greater than the width of climbing frame and bracing frame, and the support portion of balanced support bar and described first pillar or/and the lower end part of second pillar in same supporting plane.
Related content in the technique scheme is explained as follows:
1, in the such scheme, described locking connecting rod is arranged between first pillar and second pillar, and described " latch-up structure " can adopt forms such as buckle, alignment pin, bolt locking.
2, in the such scheme, at least one bottom in described climbing frame and the bracing frame is provided with roller, launch under the use state at described A type ladder, the minimum point of roller is positioned at described supporting plane top, namely launching under the use state, the support portion of balanced support bar lands, and roller does not land, and is safe and reliable; Need the ramp period of the day from 11 p.m. to 1 a.m, only need climbing frame or bracing frame are held up, roller is landed, can be keeping ladder to launch the movement of realization ladder under the situation of use state, easily convenient.
3, in the such scheme, be provided with handrail on two first pillars of described climbing frame.
The utility model operating principle and advantage:
The utility model is by arranging the locking connecting rod between climbing frame and bracing frame, be used for locking the expansion use state of described industrial foldable platforms A type ladder, even operating personnel step on the expansion use state that inclined to one side platform can not destroy A type ladder yet, the safety that has improved A type ladder; The utility model is also being climbed frame or/and the balanced support bar has been set up in the lower end of bracing frame pillar, has increased the supporting surface of A type ladder bottom, has improved the stability of A type ladder.
Description of drawings
Accompanying drawing 1 is the utility model embodiment deployed condition stereogram;
Accompanying drawing 2 is the utility model embodiment folding state stereogram.
In the above accompanying drawing: 1, climbing frame; 2, bracing frame; 3, platform; 4, first pillar; 5, mark time; 6, second pillar; 7, connecting rod; 8, locking connecting rod; 9, balanced support bar; 10, roller; 11, handrail.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: a kind of industrial foldable platforms A type ladder
Shown in accompanying drawing 1 and accompanying drawing 2, formed by a climbing frame 1, a bracing frame 2 and a platform 3, described climbing frame 1 comprises two first pillars 4,5 connect by marking time between two first pillars 4, support frame as described above 1 comprises two second pillars 6, connect by connecting rod 7 between two second pillars 6, two first pillar, 4 upper articulations of two second pillar, 6 upper ends of bracing frame 2 and climbing frame 1, one side of described platform 3 is hinged on and constitutes the turnover panel structure between two first pillars 4, and the connecting rod 7 on the corresponding bracing frame 2 in the bottom surface of platform 4 offers groove.
Be provided with locking connecting rod 8 between described climbing frame 1 and the bracing frame 2, one end of this locking connecting rod 8 and second pillar 6 of bracing frame 2 are hinged, be provided with latch-up structure between first pillar 4 of the other end of locking connecting rod 8 and climbing frame 1, this latch-up structure can adopt forms such as buckle, alignment pin, bolt locking.Shown in accompanying drawing 1, under the expansion use state of ladder, state is used with this expansion that locks ladder in location between locking connecting rod 8 and first pillar 4; Shown in accompanying drawing 2, under the folding state of ladder, locking connecting rod 8 and first pillar 4 break away from, to finish the folding of ladder.
Support frame as described above 2 lower ends are provided with balanced support bar 9, the length of this balanced support bar 9 is greater than the width of bracing frame 2, and the lower end part of the support portion of balanced support bar 9 and described second pillar 6 is in same supporting plane, increased the supporting surface of ladder under the use state, made that the use of ladder is more safe and reliable.
Support frame as described above 2 bottoms are provided with roller 10, launch under the use state at described A type ladder, and the minimum point of roller 10 is positioned at described supporting plane top, namely launching under the use state, the support portion of balanced support bar 9 lands, and roller 10 does not land, and is safe and reliable; Need the ramp period of the day from 11 p.m. to 1 a.m, only need climbing frame 1 is held up, roller 10 is landed, can be keeping ladder to launch the movement of realization ladder under the situation of use state, easily convenient.
Be provided with handrail 11 on two first pillars 4 of described climbing frame 1.
In above-described embodiment, second pillar 6 of one end of described locking connecting rod 8 and support frame as described above 2 is hinged, be provided with latch-up structure between the other end and first pillar 4, and in actual applications, if an end of locking connecting rod 8 is hinged with first pillar 4 of climbing frame 1, between the other end and second pillar 6 latch-up structure is set, also can reaches same effect.
In above-described embodiment, described balanced support bar 9 and roller 10 are arranged on the lower end of support frame as described above 2, and in actual applications, if balanced support bar 9 and roller are arranged on the lower end of climbing first pillar 4 in the frame 1, the lower end of perhaps climbing frame 1 and bracing frame 2 is provided with balanced support bar 9 and roller 10, perhaps climb frame 1 and bracing frame 2 and one lower end balanced support bar 9 is set among both, another person's lower end arranges roller 10, also can reach same effect.
The utility model is by arranging locking connecting rod 8 between climbing frame 1 and bracing frame 2, be used for locking the expansion use state of described industrial foldable platforms A type ladder, even operating personnel step on the expansion use state that inclined to one side platform 3 can not destroy A type ladder yet, the safety that has improved A type ladder; The utility model is also being climbed frame 1 or/and balanced support bar 9 has been set up in the lower end of bracing frame 2 pillars, has increased the supporting surface of A type ladder bottom, has improved the stability of A type ladder.
In above-described embodiment, described locking connecting rod 8 is arranged between first pillar 4 and second pillar 6, and in actual applications, if will lock connecting rod 8 be arranged on mark time 5 and connecting rod 7 between, also can reach same effect.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (3)
1. industrial foldable platforms A type ladder, formed by a climbing frame, a bracing frame and a platform, described climbing frame comprises two first pillars, between two first pillars by the connection of marking time, support frame as described above comprises two second pillars, connect by connecting rod between two second pillars, two second pillars upper end of bracing frame and two first pillar upper articulations of climbing frame, one side of described platform is hinged on and constitutes the turnover panel structure between two first pillars, connecting rod on the corresponding bracing frame in the bottom surface of platform offers groove, it is characterized in that:
Be provided with the locking connecting rod between described climbing frame and the bracing frame, hinged in an end of this locking connecting rod and climbing frame and the bracing frame is provided with latch-up structure between the other end of locking connecting rod and another person who climbs in frame and the bracing frame;
At least one lower end is provided with the balanced support bar in described climbing frame and the bracing frame, the length of this balanced support bar is greater than the width of climbing frame and bracing frame, and the support portion of balanced support bar and described first pillar or/and the lower end part of second pillar in same supporting plane.
2. A type ladder according to claim 1, it is characterized in that: described locking connecting rod is arranged between first pillar and second pillar.
3. A type ladder according to claim 1, it is characterized in that: at least one bottom in described climbing frame and the bracing frame is provided with roller, launches under the use state at described A type ladder, and the minimum point of roller is positioned at described supporting plane top.
4.A type ladder according to claim 1 is characterized in that: be provided with handrail on two first pillars of described climbing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320086407 CN203175381U (en) | 2013-02-26 | 2013-02-26 | Industrial foldable A-shaped ladder with platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320086407 CN203175381U (en) | 2013-02-26 | 2013-02-26 | Industrial foldable A-shaped ladder with platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203175381U true CN203175381U (en) | 2013-09-04 |
Family
ID=49072096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320086407 Expired - Lifetime CN203175381U (en) | 2013-02-26 | 2013-02-26 | Industrial foldable A-shaped ladder with platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203175381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507572A (en) * | 2016-01-05 | 2016-04-20 | 张涛 | Walkable scaffold |
-
2013
- 2013-02-26 CN CN 201320086407 patent/CN203175381U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507572A (en) * | 2016-01-05 | 2016-04-20 | 张涛 | Walkable scaffold |
| CN105507572B (en) * | 2016-01-05 | 2018-01-05 | 钱雪莲 | The scaffold that can be walked |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130904 |
|
| CX01 | Expiry of patent term |