CN215978353U - Stair scaffold - Google Patents
Stair scaffold Download PDFInfo
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- CN215978353U CN215978353U CN202120015977.6U CN202120015977U CN215978353U CN 215978353 U CN215978353 U CN 215978353U CN 202120015977 U CN202120015977 U CN 202120015977U CN 215978353 U CN215978353 U CN 215978353U
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- portal
- layer bracket
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- sleeve
- long
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Abstract
The utility model relates to a stair scaffold, which comprises a lower layer bracket and an upper layer bracket, wherein the upper layer bracket is fixedly connected above the lower layer bracket through a connecting rod, the lower layer bracket comprises a first portal, a second portal and a cross pull rod, adjustable bases are sleeved below the first portal and the second portal respectively and comprise short sleeves, long sleeves, transverse connecting rods and lead screws, bottom plates are welded at the bottom ends of the lead screws, adjusting nuts are connected to one side, close to the bottom ends, of the lead screws in a threaded mode, and the top ends of the lead screws respectively extend out of the short sleeves and the long sleeves. The adjustable base is matched with the short sleeve and the long sleeve to improve the overall stability of the scaffold, and the adjustable base is matched with the lower-layer bracket to adapt to stairs with different heights.
Description
Technical Field
The utility model relates to the field of building decoration construction equipment, in particular to a stair scaffold.
Background
The scaffold is a working platform which is erected for ensuring that each construction process is smoothly carried out. The door type scaffold is one of scaffolds with the widest application range among scaffolds for buildings. The device has the advantages of simple assembly and disassembly, convenient movement, good bearing capacity, safe and reliable use, good economic benefit and the like, so the development speed is very high. But current scaffold frame generally need be in the use of leveling ground, and it is comparatively loaded down with trivial details to build scaffold frame process in the stairwell.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of overcoming the defects in the prior art and provides a stair scaffold.
The utility model is realized by the following technical scheme:
the utility model provides a stair scaffold, includes lower floor's bracket and upper bracket, the upper bracket passes through the connective bar rigid coupling in lower floor's bracket top, upper bracket and downside bracket all are equipped with the footboard, the bracket of lower floor includes the first portal on perpendicular to ground, is on a parallel with the second portal of first portal and connects the cross pull rod of first portal and second portal, first portal height is less than the second portal, adjustable base has all been cup jointed to first portal and second portal below, adjustable base includes short sleeve pipe, is on a parallel with short sleeve pipe's long sleeve pipe, welds perpendicularly in the cross connecting rod of short sleeve pipe and long sleeve pipe upside and cross-under respectively in short sleeve pipe and long sleeve pipe's lead screw, the welding of lead screw bottom has the bottom plate, the lead screw is close to bottom one side threaded connection and has adjusting nut, short sleeve pipe and long sleeve pipe are stretched out respectively on the lead screw top.
Preferably, the lower sides of the short sleeve and the long sleeve are welded with inclined connecting rods.
Preferably, the lower layer bracket and the upper layer bracket are both provided with crawling ladders.
The utility model has the beneficial effects that:
the adjustable base is matched with the short sleeve and the long sleeve to improve the overall stability of the scaffold, and the adjustable base is matched with the lower-layer bracket to adapt to stairs with different heights.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a side view of the present invention.
In the figure: 1. the stair comprises a stair body, 2 parts of a first portal, 3 parts of pedals, 4 parts of cross pull rods, 5 parts of short sleeves, 6 parts of inclined connecting rods, 7 parts of adjusting nuts, 8 parts of long sleeves, 9 parts of screw rods, 10 parts of transverse connecting rods, 11 parts of a second portal, 12 parts of connecting rods, 13 parts of upper-layer brackets and 14 parts of a ladder.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in the figure, the utility model comprises a lower layer bracket and an upper layer bracket 13, wherein the upper layer bracket is fixedly connected above the lower layer bracket through a connecting rod 12, the upper layer bracket and the lower side bracket are both provided with pedals 3, the lower layer bracket comprises a first portal frame 2 vertical to the ground, a second portal frame 11 parallel to the first portal frame and a cross pull rod 4 connecting the first portal frame and the second portal frame, the height of the first portal frame is lower than that of the second portal frame and is used for roughly adapting to the heights of a plurality of steps between stairs 1, adjustable bases are sleeved below the first portal frame and the second portal frame and comprise short sleeves 5, long sleeves 8 parallel to the short sleeves, transverse connecting rods 10 vertically welded to the upper sides of the short sleeves and the long sleeves and lead screws 9 respectively penetrating the short sleeves and the long sleeves, bottom ends of the lead screws are welded with bottom plates to increase the contact area of the lead screws and the ground, the stability is improved, the lead screw is close to bottom one side threaded connection and has adjusting nut 7 for adjusting the sleeve pipe height, but a plurality of step height of accurate matching staircase are used in adjustable base and first portal and the cooperation of second portal, short sleeve pipe and long sleeve pipe are stretched out respectively to the lead screw top for first portal and the second portal of pegging graft.
The lower sides of the short sleeve and the long sleeve are welded with the inclined connecting rods 6, so that the connecting strength of the short sleeve and the long sleeve is improved.
The lower layer bracket and the upper layer bracket are both provided with crawling ladders 14, so that workers can conveniently vertically pass to the pedals to operate.
The working principle of the utility model is that adjusting nuts of the short sleeve and the long sleeve are respectively adjusted, so that the short sleeve is arranged on a higher step, the cross bar is positioned on the horizontal plane when the long sleeve is arranged on a lower step, two adjusted adjustable bases are respectively arranged at the high position and the low position of the stair, the first portal frame is sleeved above the two adjustable base long sleeves positioned at the high position of the stair, the second portal frame is sleeved above the two adjustable base short sleeves positioned at the low position of the stair, a cross pull rod and a pedal are assembled to the first portal frame and the second portal frame, an upper layer bracket is assembled above a lower layer bracket through a connecting rod, and a worker can pass to the pedal through the ladder to carry out operation. The adjustable base is matched with the short sleeve and the long sleeve to improve the overall stability of the scaffold, and the adjustable base is matched with the lower-layer bracket to adapt to stairs with different heights.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. A stair scaffold is characterized by comprising a lower layer bracket and an upper layer bracket, wherein the upper layer bracket is fixedly connected above the lower layer bracket through a connecting rod, the upper layer bracket and the lower side bracket are both provided with pedals, the lower layer bracket comprises a first portal vertical to the ground, a second portal parallel to the first portal and a cross pull rod connecting the first portal and the second portal, the height of the first portal is lower than that of the second portal, adjustable bases are sleeved below the first portal and the second portal, the adjustable base comprises a short sleeve, a long sleeve parallel to the short sleeve, a transverse connecting rod vertically welded on the upper sides of the short sleeve and the long sleeve and a screw rod respectively penetrating the short sleeve and the long sleeve, the bottom welding of lead screw has the bottom plate, the lead screw is close to bottom one side threaded connection and has adjusting nut, short sleeve pipe and long sleeve pipe are stretched out respectively to the lead screw top.
2. A stair scaffold according to claim 1, wherein diagonal links are welded to the undersides of said short and long sleeves.
3. A stair scaffold according to claim 1, wherein the lower and upper trays are provided with ladder stands.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120015977.6U CN215978353U (en) | 2021-01-05 | 2021-01-05 | Stair scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120015977.6U CN215978353U (en) | 2021-01-05 | 2021-01-05 | Stair scaffold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215978353U true CN215978353U (en) | 2022-03-08 |
Family
ID=80506303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120015977.6U Active CN215978353U (en) | 2021-01-05 | 2021-01-05 | Stair scaffold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215978353U (en) |
-
2021
- 2021-01-05 CN CN202120015977.6U patent/CN215978353U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |