CN216922008U - Simple ladder stand suitable for construction of T-beam hogging moment prestressed steel beam - Google Patents
Simple ladder stand suitable for construction of T-beam hogging moment prestressed steel beam Download PDFInfo
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- CN216922008U CN216922008U CN202123034119.5U CN202123034119U CN216922008U CN 216922008 U CN216922008 U CN 216922008U CN 202123034119 U CN202123034119 U CN 202123034119U CN 216922008 U CN216922008 U CN 216922008U
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- hogging moment
- ladder stand
- prestressed steel
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Abstract
The simple crawling ladder comprises a frame, wherein a cavity is formed in the upper end of the frame, a plurality of stepping rods are arranged at the lower end of the frame at equal intervals, a supporting table is arranged on one side of the upper end of the frame and comprises right-angle tripods which are bilaterally symmetrical, the right-angle tripods are connected through supporting rods, and the upper rods of the right-angle tripods are arranged perpendicular to the frame.
Description
Technical Field
The utility model belongs to the technical field of bridge construction, and particularly relates to a simple ladder stand suitable for T-beam hogging moment prestress steel beam construction.
Background
The prestressed tensioning at the hogging moment of the T-shaped beam of the bridge is usually carried out after the beam is laid, the wet joint of the bridge deck part is connected and finished at the moment, and workers need to tension the hogging moment prestressed reinforcement on a construction platform through a reserved manhole. The distance between the construction platform and the bridge deck is about 1.8m, and the operation of constructors up and down is extremely inconvenient.
Therefore, in order to conveniently stretch the hogging moment prestressed reinforcement up and down by constructors and ensure the stability and firmness of operation, the simple ladder stand suitable for the construction of the T-beam hogging moment prestressed steel bundles is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a simple ladder stand suitable for T-beam hogging moment prestress steel beam construction.
In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows: the utility model provides a simple and easy cat ladder suitable for construction of T roof beam hogging moment prestressing steel bundle, includes the frame, the upper end vacuole formation of frame, and a plurality of poles of marking time have been laid to the lower extreme of frame equidistant, and the supporting station has been laid to one side of frame upper end, the supporting station includes bilateral symmetry's right angle tripod, connects through the bracing piece between the right angle tripod, the upper boom and the frame of right angle tripod are laid perpendicularly.
As a preferred scheme of the utility model, the frame comprises vertical rods and horizontal rods, and bending pieces are arranged between the vertical rods and the horizontal rods.
In a preferred embodiment of the present invention, the frame is formed by bending and welding reinforcing steel bars.
In a preferred embodiment of the present invention, a distance is provided between the upper bar of the support table and the cross bar at the upper end of the frame.
In a preferred embodiment of the present invention, a certain distance is provided between the stepping bar near the support platform and the diagonal bar of the tripod.
In a preferred embodiment of the present invention, the support table is welded to the frame, and the support rods on the support table are welded to a right-and-left symmetrical right-angled tripod.
As a preferable scheme of the utility model, the stepping rods are welded between the symmetrical vertical rods.
As a preferable scheme of the utility model, a plurality of steel bars are sleeved in the cavity, and the supporting table is abutted against the concrete block provided with the steel bars.
In a preferred embodiment of the present invention, the length of the cavity is 1/2-2/3 of the length of the frame.
The utility model has the beneficial effects that:
1. the cavity of the frame is sleeved with the reinforcing steel bars, the supporting platform is fixed on the concrete block, construction personnel can complete prestress tensioning operation at the T-beam hogging moment position through the construction operation platform at a higher position reached by the stepping rod conveniently, meanwhile, the supporting platform is composed of the symmetrical right-angle tripod and the supporting rod, and the stability of the simple crawling ladder is guaranteed through the stable triangular structure.
2. The utility model has simple structure, considers the height of constructors, reasonably arranges the distribution of the stepping rods and the cavities, and is beneficial to the constructors to go to the actual construction table and carry out subsequent construction.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the installation of the present invention;
reference numbers in the figures: the frame 1, the supporting platform 2, the pole of marking time 3, reinforcing bar 4, concrete piece 5, cavity 11, montant 12, horizontal pole 13, the piece 14 of bending, right angle tripod 21, bracing piece 22, upper boom 211, down tube 212.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1-2, the simple ladder stand suitable for the hogging moment prestress steel beam construction of the T-beam comprises a frame 1, wherein a cavity 11 is formed at the upper end of the frame 1, a plurality of steel bars 4 are sleeved in the cavity 11, a plurality of stepping rods 3 are arranged at equal intervals at the lower end of the frame 1, constructors are borne on the stepping rods 3, and the constructors can adjust the distance between the construction platforms by stepping on different stepping rods 3; one side of frame 1 upper end has laid supporting platform 2, and supporting platform 2 offsets with the concrete piece 5 of installation reinforcing bar 4, and supporting platform 2 is fixed on concrete piece 5, and the stability when constructor's operation has been guaranteed in the setting of supporting platform 2, further assurance constructor's safety.
The supporting platform 2 comprises bilateral symmetry right angle tripods 21, the right angle tripods 21 are connected through supporting rods 22, upper rods 211 of the right angle tripods 21 are vertically arranged with the frame 1, the right angle tripods 21 are vertically arranged on the frame 1, positioning installation of the frame 1 and the concrete block 5 is facilitated, and positioning installation of the right angle tripods 21 on the frame 1 is facilitated.
The afterbody at right angle tripod 21 is laid to bracing piece 22, and bracing piece 22's both ends welding is in the side at last pole 211, down tube 212 intersect promptly, and the bracing piece 22 welds the back on bilateral symmetry's right angle tripod 21, forms stable rectangle structure between bracing piece 22, the symmetrical upper boom 211, conveniently laminates concrete piece 5.
A certain distance is arranged between the upper rod 211 of the supporting platform 2 and the cross rod 13 at the upper end of the frame 1, and the distance is convenient for the supporting platform 2 to be adjusted according to concrete blocks 5 with different sizes and fixed on the concrete blocks 5; the stepping rod 3 close to the supporting platform 2 is the stepping rod 3 at the uppermost end of the frame 1, and when a constructor steps on the stepping rod 3 at the uppermost end, the height of the constructor per se exceeds the supporting platform 2 during operation of the constructor, so that the height is too high to exceed an actual operation platform during operation of the constructor, and a certain distance is arranged between the stepping rod 3 close to the supporting platform 2 and the inclined rod 212 of the right-angle tripod 21.
The stepping rod 3 is welded between the vertical rods 12 of the frame 1, the supporting platform 2 is also welded on one side of the frame 1, the welding connection is simple and stable, the operation in a bridge is convenient, and the transverse rods 13 above and below the frame 1 can be thickened in order to ensure the stability of the frame 1.
The length of the cavity 11 is 1/2-2/3 of the length of the frame 1, the size is convenient for installing the supporting table 2, and meanwhile, the influence of the height of a constructor on the tension hogging moment prestressed reinforcement is considered.
The concrete implementation is a simple cat ladder suitable for T roof beam hogging moment prestressing steel bundle construction:
the reinforcing steel bars 4 are sleeved into the cavity 11 of the frame 1, the reinforcing steel bars 4 play a role in positioning and partially supporting the frame 1, the supporting table 2 on the side edge of the frame 1 is abutted to the lower portion of the concrete block 5 and is fixedly connected to the concrete block 5 through screws, and at the moment, a constructor can lead to an actual construction table top through the stepping rods 3 and perform subsequent construction.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: the terms frame 1, supporting table 2, stepping bar 3, steel bar 4, concrete block 5, cavity 11, vertical bar 12, cross bar 13, bending piece 14, right-angle tripod 21, support bar 22, upper bar 211, diagonal bar 212, etc., but do not exclude the possibility of using other terms; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to the spirit of the present invention.
Claims (9)
1. The utility model provides a simple and easy cat ladder suitable for construction of T roof beam hogging moment prestressing steel bundle which characterized in that: including frame (1), the upper end vacuole formation (11) of frame (1), a plurality of poles of marking time (3) have been laid to the lower extreme of frame (1) equidistant, and supporting platform (2) have been laid to one side of frame (1) upper end, supporting platform (2) include bilateral symmetry's right angle tripod (21), connect through bracing piece (22) between right angle tripod (21), upper boom (211) of right angle tripod (21) are laid with frame (1) perpendicularly.
2. The simple ladder stand suitable for construction of the T-beam hogging moment prestressed steel strand as claimed in claim 1, is characterized in that: the frame (1) comprises a vertical rod (12) and a horizontal rod (13), and a bending piece (14) is further arranged between the vertical rod (12) and the horizontal rod (13).
3. The simple ladder stand suitable for construction of the T-beam hogging moment prestressed steel strand as claimed in claim 2, is characterized in that: the frame (1) is formed by bending and welding reinforcing steel bars.
4. The simple ladder stand suitable for construction of the T-beam hogging moment prestressed steel strand as claimed in claim 1, is characterized in that: a certain distance is arranged between an upper rod (211) of the supporting table (2) and a cross rod (13) at the upper end of the frame (1).
5. The simple ladder stand suitable for construction of the T-beam hogging moment prestressed steel strand as claimed in claim 4, is characterized in that: a certain distance is arranged between the stepping rod (3) close to the supporting platform (2) and the diagonal rod (212) of the right-angle tripod (21).
6. The simple ladder stand suitable for construction of the T-beam hogging moment prestressed steel strand as claimed in claim 1, is characterized in that: the supporting platform (2) is welded on the frame (1), and the supporting rods (22) on the supporting platform (2) are welded on right-angle tripods (21) which are bilaterally symmetrical.
7. The simple ladder stand suitable for construction of the T-beam hogging moment prestressed steel strand as claimed in claim 6, is characterized in that: the stepping rods (3) are welded between the symmetrical vertical rods (12).
8. The simple ladder stand suitable for construction of the T-beam hogging moment prestressed steel bundles according to claim 1, is characterized in that: a plurality of reinforcing steel bars (4) are sleeved in the cavity (11), and the supporting platform (2) is abutted to the concrete block (5) provided with the reinforcing steel bars (4).
9. The simple ladder stand suitable for construction of the T-beam hogging moment prestressed steel strand as claimed in claim 1, is characterized in that: the length dimension of the cavity (11) is 1/2-2/3 of the length dimension of the frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123034119.5U CN216922008U (en) | 2021-12-06 | 2021-12-06 | Simple ladder stand suitable for construction of T-beam hogging moment prestressed steel beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123034119.5U CN216922008U (en) | 2021-12-06 | 2021-12-06 | Simple ladder stand suitable for construction of T-beam hogging moment prestressed steel beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216922008U true CN216922008U (en) | 2022-07-08 |
Family
ID=82249665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123034119.5U Active CN216922008U (en) | 2021-12-06 | 2021-12-06 | Simple ladder stand suitable for construction of T-beam hogging moment prestressed steel beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216922008U (en) |
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2021
- 2021-12-06 CN CN202123034119.5U patent/CN216922008U/en active Active
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