CN217756470U - Precast concrete stair specialty lifts by crane frock - Google Patents
Precast concrete stair specialty lifts by crane frock Download PDFInfo
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- CN217756470U CN217756470U CN202221843949.4U CN202221843949U CN217756470U CN 217756470 U CN217756470 U CN 217756470U CN 202221843949 U CN202221843949 U CN 202221843949U CN 217756470 U CN217756470 U CN 217756470U
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- precast concrete
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Abstract
The utility model relates to a precast concrete stair professional lifting tool, which comprises a bottom plate, a lifting steel rope, a lifting hook and a lifting assembly, wherein the bottom plate is used for placing precast concrete stairs, a plurality of reserved bolt holes are uniformly formed in the front end and the rear end of the bottom plate, the lifting assembly selects the reserved bolt holes in proper positions according to the width of the precast concrete stairs and is fixedly installed on the bottom plate through a bolt assembly, and the lifting assembly comprises a baffle plate, a lifting hole, a limiting column and a fixed bolt piece; the limiting columns are arranged on the front side and the rear side of the bottom plate through fixing bolt pieces so as to limit the front and rear displacement when the concrete stairs are lifted; the hoisting holes are formed in the corners of the bottom plate, and the hoisting steel ropes are hoisted by the hoisting hooks after penetrating through the hoisting holes to complete hoisting. The utility model discloses rational in infrastructure, convenient operation, labour saving and time saving, the handling is convenient, and the transportation does not produce and rocks, and safe and reliable has fine market prospect and development space to prior art.
Description
Technical Field
The utility model relates to a prefabricated component lifts by crane the haulage equipment field, concretely relates to precast concrete stair specialty lifts by crane frock.
Background
In the production process of building material production enterprises, the precast concrete stairs are a better structural form combining prefabrication and cast-in-place concrete. The concrete prefabricated staircase is not suitable for operation and has great potential safety hazard when being lifted and installed due to large weight and long size. Universal rings and steel wire slings on the market are single-point hoisting tools, and the hoisting requirements of large concrete prefabricated stairways cannot be met.
How to design a rational in infrastructure, convenient operation, labour saving and time saving, the handling is convenient, and the transportation does not produce and rocks, and safe and reliable's a precast concrete stair specialty lifts by crane frock is the problem that needs to solve at present.
SUMMERY OF THE UTILITY MODEL
Because weight is great, the size is longer in order to solve current concrete stair, should not operate and have very big potential safety hazard when lifting by crane and installing, universal rings and steel wire hoist are the single-point and lift by crane the frock on the market, can not satisfy the technical problem such as the requirement of lifting by crane of large-scale concrete precast stair, the utility model provides a precast concrete stair specialty lifts by crane the frock, realizes rational in infrastructure, convenient operation, labour saving and time saving, the handling is convenient, and the transportation does not produce and rocks safe and reliable's purpose.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: a special hoisting tool for a precast concrete stair comprises a bottom plate, a hoisting steel rope, a hoisting hook and hoisting components, wherein the bottom plate is used for placing the precast concrete stair, a plurality of reserved bolt holes are uniformly formed in the front end and the rear end of the bottom plate, the hoisting components select the reserved bolt holes in proper positions according to the width of the precast concrete stair and are fixedly installed on the bottom plate through bolt components, each hoisting component comprises a baffle, two hoisting holes, two limiting columns and two fixing bolt pieces, and the two baffles are respectively installed on the left side and the right side of the bottom plate through the plurality of fixing bolt pieces so as to prevent the concrete stair from sliding left and right when being hoisted; the limiting columns are arranged on the front side and the rear side of the bottom plate through fixing bolt pieces so as to limit the front and rear displacement when the concrete stairs are lifted; the hoisting holes are formed in the corners of the bottom plate, and the hoisting steel ropes are hoisted by the hoisting hooks to finish hoisting after penetrating through the hoisting holes.
The bottom plate adopts a high-strength steel beam, the upper surface of the bottom plate adopts oblique pattern grid treatment, the friction with the concrete stairs is increased, and the sliding is prevented; the lower surface of bottom plate is provided with many strengthening ribs.
The baffle be equilateral obtuse triangle-shaped form, both ends are convenient for install fixed bolt spare and are fixed on the bottom plate around the baffle.
Compared with the prior art, the beneficial effects of the utility model are that:
1) The utility model comprises a bottom plate, a hoisting steel rope, a hoisting hook and a hoisting component which are used for placing the precast concrete stairs, wherein the hoisting hole is arranged at the corner of the bottom plate, and the hoisting steel rope passes through the hoisting hole and is hoisted by the hoisting hook to complete hoisting;
2) The bottom plate adopts high-strength steel beams, the upper surface of the bottom plate is processed by adopting oblique pattern grids, the friction with the concrete stairs is increased, and the sliding is prevented; the lower surface of the bottom plate is provided with a plurality of reinforcing ribs, so that the strength of the whole frame is ensured.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a backplane construction;
FIG. 3 is a schematic top view of the baffle;
FIG. 4 is a schematic view of the usage state of the present invention;
the mark in the figure is: 1. the prefabricated concrete stair comprises a bottom plate, 2 lifting steel ropes, 3 lifting hooks, 4 lifting components, 401 baffle plates, 402 lifting holes, 403 limiting columns, 404 fixing bolt pieces, 5 reserved bolt holes, 6 prefabricated concrete stairs.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the attached drawings.
As shown in fig. 1, the special hoisting tool for the precast concrete stairs comprises a bottom plate 1 for placing the precast concrete stairs, a hoisting steel rope 2, a hoisting hook 3 and a hoisting assembly 4, wherein a plurality of reserved bolt holes 5 are uniformly arranged at the front end and the rear end of the bottom plate 1, the hoisting assembly 4 selects the reserved bolt holes 5 at proper positions according to the width of the precast concrete stairs and is fixedly installed on the bottom plate 1 through bolt assemblies, the hoisting assembly 4 comprises two baffle plates 401, hoisting holes 402, limiting columns 403 and fixing bolt pieces 404, and the two baffle plates 401 are respectively installed on the left side and the right side of the bottom plate 1 through the plurality of fixing bolt pieces 404 so as to prevent the left side and the right side from sliding when the precast concrete stairs are hoisted; the limiting columns 403 are arranged on the front side and the rear side of the bottom plate 1 through fixing bolt pieces 404 to limit the front and rear displacement when the concrete stairs are lifted; the hoisting holes 402 are arranged at the corners of the bottom plate 1, and the hoisting steel ropes 2 are hoisted by the hoisting hooks 3 after passing through the hoisting holes 402 to finish hoisting.
The basic implementation manner of the present invention can be further improved, perfected and limited on the basis: if the bottom plate 1 adopts a high-strength steel beam, the upper surface of the bottom plate 1 adopts inclined pattern grid treatment, so that the friction with the concrete stair is increased, and the sliding is prevented; the lower surface of the bottom plate 1 is provided with a plurality of reinforcing ribs.
The basic implementation manner of the present invention can be further improved, perfected and limited on the basis: if the baffle 401 is in the shape of an equilateral obtuse triangle, the front end and the rear end of the baffle 401 are convenient for installing the fixing bolt pieces 404 to fix on the bottom plate 1.
In practical application, firstly, a small crane horizontally places a precast concrete stair 6 on a bottom plate 1, a reserved bolt hole 5 in a proper position is selected according to the width of the precast concrete stair and is fixedly installed on the bottom plate 1 through a bolt assembly, limiting columns 403 are installed on the front side and the rear side of the bottom plate 1 through fixing bolt pieces 404 so as to limit the front and rear displacement of the lifted concrete stair, then a lifting steel rope 2 is used to penetrate through a lifting hole 402 and is lifted by a lifting hook 3 to finish lifting, and after the precast concrete stair is transported to a specified place, the fixing assemblies are sequentially removed.
The utility model discloses rational in infrastructure, convenient operation, labour saving and time saving, the handling is convenient, and the transportation does not produce and rocks, and safe and reliable solves current concrete stair because weight is great, and the size is longer, should not operate and have very big potential safety hazard when lifting by crane and installing, and universal rings and steel wire hoist are the single-point and lift by crane the frock on the market, can not satisfy the technical problem such as the requirement of lifting by crane of large-scale concrete prefabricated stair, to prior art, have fine market prospect and development space.
The preferred embodiments and examples of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the embodiments and examples, and various changes can be made without departing from the concept of the present invention within the knowledge of those skilled in the art.
Claims (3)
1. The utility model provides a precast concrete stair specialty lifts by crane frock, includes bottom plate (1) that is used for placing precast concrete stair, lifts by crane steel cable (2), lifting hook (3) and lifts by crane subassembly (4), its characterized in that: the prefabricated concrete stair lifting device is characterized in that a plurality of reserved bolt holes (5) are uniformly formed in the front end and the rear end of the bottom plate (1), the lifting assembly (4) selects the reserved bolt holes (5) in proper positions according to the width of the prefabricated concrete stair and is fixedly installed on the bottom plate (1) through bolt assemblies, the lifting assembly (4) comprises two baffle plates (401), lifting holes (402), limiting columns (403) and fixing bolt pieces (404), and the two baffle plates (401) are installed on the left side and the right side of the bottom plate (1) through the fixing bolt pieces (404) respectively to prevent the concrete stair from sliding left and right when lifted; the limiting columns (403) are arranged on the front side and the rear side of the bottom plate (1) through fixing bolt pieces (404) to limit the front and rear displacement when the concrete stairs are lifted; the hoisting holes (402) are formed in the corners of the base plate (1), and the hoisting steel ropes (2) are hoisted by the hoisting hooks (3) after passing through the hoisting holes (402) to finish hoisting.
2. The special hoisting tool for the precast concrete stairs of claim 1, wherein the special hoisting tool comprises: the bottom plate (1) adopts high-strength steel beams, the upper surface of the bottom plate (1) is processed by adopting oblique pattern grids, the friction with a concrete stair is increased, and the sliding is prevented; the lower surface of the bottom plate (1) is provided with a plurality of reinforcing ribs.
3. The special hoisting tool for the precast concrete stairs of claim 1, wherein the special hoisting tool comprises: the baffle (401) is in an equilateral obtuse triangle shape, and the front end and the rear end of the baffle (401) are convenient for installing fixing bolt pieces (404) to be fixed on the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221843949.4U CN217756470U (en) | 2022-07-18 | 2022-07-18 | Precast concrete stair specialty lifts by crane frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221843949.4U CN217756470U (en) | 2022-07-18 | 2022-07-18 | Precast concrete stair specialty lifts by crane frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217756470U true CN217756470U (en) | 2022-11-08 |
Family
ID=83873360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221843949.4U Active CN217756470U (en) | 2022-07-18 | 2022-07-18 | Precast concrete stair specialty lifts by crane frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217756470U (en) |
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2022
- 2022-07-18 CN CN202221843949.4U patent/CN217756470U/en active Active
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