Cover beam secondary tensioning operation platform
The second tension operation platform with a prefabricated structure and adopting anti -hanging force is used to solve the time -consuming time, welding difficulty, difficulty in structural quality, difficult to guarantee, and not more in the existing technology. The problem of secondary use has achieved more efficient and secure construction results.
Patent Information
- Application Number
- CN202421164348.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-05-27
AI Technical Summary
The existing secondary tensile platform of cover beams takes time to produce on-site, has difficulty in welding, and is difficult to guarantee the structural quality, and cannot be put into use multiple times.
A two -tie operation platform of the Gai Liang is designed. By forming an integrated structure of the prefabrication of each component, it is firmly fixed at the wet joint of the prefabricated box beam in the prefabricated box.
The problem of time -consuming, welding, difficulty in welding, difficulty in structural quality, and unable to use it multiple times, and realized a more efficient and safe cover beam for secondary tension construction.
Smart Images
Figure CN222390272U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction bridges, in particular to a cap beam secondary tensioning operation platform. Background Art
[0002] The secondary tensioning platform for cap beams is often used in the construction of cap beams of bridge projects. Currently, the secondary tensioning of bridge cap beams is difficult, and workers on site often need to use jacks to tension the outer side of the cap beam and perform subsequent grouting and sealing. This construction process has high safety risks and requires the cooperation of cranes. Special lifting equipment is required for lifting materials and personnel transfer. At the same time, when the next cap beam is tensioned, it also needs to be hoisted, disassembled and transported to the next construction site. This process requires repeated assembly and disassembly of the tensioning platform.
[0003] Therefore, the existing cap beam secondary tensioning platform has the problems of time-consuming on-site production, difficult welding, difficult to ensure structural quality, and cannot be put into use multiple times. Utility Model Content
[0004] In view of the technical problems existing in the prior art, the purpose of the utility model is to provide a cap beam secondary tensioning work platform to solve the problems of the existing cap beam secondary tensioning platform being time-consuming to manufacture on site, difficult to weld, difficult to ensure structural quality, and unable to be put into use multiple times.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A cap beam secondary tensioning work platform comprises: a secondary tensioning operation platform, which is fixedly connected to a ladder to form an integrated structure; a ladder, which is fixedly connected to a support frame to form an integrated structure; a support frame, which is provided with a pedestrian passage connected to the ladder; a tie rod, which is fixedly connected to the support frame and is used for an inverted hanging connection with a prefabricated box beam wet joint.
[0007] As a preferred embodiment, the supporting frame includes a main beam, a cross beam and columns. The main beam and the cross beam are arranged perpendicular to each other, and the main beam and the cross beam are fixedly connected to each other to form a planar force-bearing structure. The columns are vertically arranged relative to the planar force-bearing structure, and the pedestrian walkway is fixed on the columns; the tension rod is fixedly connected to the main beam, and the ladder is fixedly connected to the main beam.
[0008] As a preferred embodiment, the pedestrian passage includes a rectangular frame with a hollow interior and a protective net surrounding two sides of the rectangular frame, and the rectangular frame and the columns are fixedly connected.
[0009] As a preferred embodiment, there are multiple tie rods, each of which is fixedly connected to the support frame, and the multiple tie rods are distributed on the support frame at intervals.
[0010] As a preferred embodiment, guardrails are provided around the secondary tensioning operation platform.
[0011] As a preferred embodiment, a cap beam secondary tensioning work platform also includes a hand chain hoist, one end of the hand chain hoist is fixedly connected to the support frame, and the other end of the hand chain hoist is used to be fixedly connected to the prefabricated box beam.
[0012] As a preferred embodiment, a triangular brace is provided between the ladder and the supporting frame.
[0013] In general, the utility model has the following advantages:
[0014] The utility model solves the problems of time-consuming on-site production, difficult welding, difficult to ensure structural quality and inability to be put into use multiple times of the existing secondary tensioning platform for cap beams by prefabricating various components into an integrated structure and firmly fixing it at the wet joint of the prefabricated box beam by a reverse hanging force-bearing method. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is an elevation view of a cap beam secondary tensioning work platform.
[0016] Figure 2 It is a top view of a cap beam secondary tensioning work platform.
[0017] Figure 3 This is a front view of a cap beam secondary tensioning work platform.
[0018] Among them, 1 is the cap beam, 2 is the block, 3 is the prefabricated box beam, 4 is the high-strength tension rod, 5 is the main beam, 6 is the cross beam, 7 is the column, 8 is the hand winch, 9 is the pedestrian walkway, 10 is the protection net, 11 is the triangular support, 12 is the steel ladder, 13 is the wooden sealed guardrail, and 14 is the secondary tensioning operation platform. DETAILED DESCRIPTION
[0019] The present invention will be further described in detail below in conjunction with specific implementation methods.
[0020] like Figure 1 As shown, the present embodiment provides a cap beam secondary tensioning work platform, including high-strength tension rods 4, a supporting frame, a hand winch 8, a pedestrian walkway 9, a protective net 10, a triangular support 11, a steel ladder 12, a wooden sealed guardrail 13, and a secondary tensioning operation platform 14.
[0021] like Figure 1 As shown, one end of the hand chain hoist is fixedly connected to the supporting frame, and the other end of the hand chain hoist is used to be fixedly connected to the prefabricated box girder.
[0022] like Figure 2-3As shown, the support frame includes a main beam 5, a cross beam 6 and a column 7, which together constitute the overall support skeleton of the secondary tensioning work platform of the cap beam. The main beam 5 of the support frame is connected to the wet joint of the prefabricated box beam in an inverted hanging manner through a plurality of high-strength tension rods 4 distributed at intervals; there are three main beams 5 and four cross beams, three main beams 5 are distributed side by side, four cross beams are fixedly connected to the three main beams through channel steels, and the four cross beams are distributed at intervals; wherein, both ends of each cross beam are respectively connected and fixed to two main beams, the middle part of each cross beam is fixedly connected to the remaining main beams, the cross beams and the main beams are perpendicular to each other, and a horizontal force-bearing structure is formed by such arranged cross beams and main beams; there are multiple steel columns, and the multiple columns are respectively arranged at the nodes where the cross beams and the main beams are connected, and the columns are fixedly connected to the cross beams and the main beams through channel steels.
[0023] like Figure 1-3 As shown, the support frame and the steel ladder 12 are connected by triangular braces 11, and the connections of various parts are fully welded on both sides to ensure stable connection. The protective net 10 is set on the edges of both sides of the pedestrian passage.
[0024] like Figure 1-3 As shown, a wooden sealed guardrail 13 is arranged around the secondary tensioning operation platform and is integrally connected to the ladder and the supporting frame.
[0025] The construction process of the secondary tensioning work platform for the cap beam of this embodiment is as follows: first weld the main beam 5, the cross beam 6, and the column 7 to form a supporting frame, and then connect the supporting frame to the secondary tensioning operation platform 14 through a steel ladder 12, and then prefabricate the protective net 10 and the wooden sealed guardrail 13 in advance and weld them to the secondary tensioning operation platform 14, and use a crane to lift the entire cap beam secondary tensioning work platform to the cap beam secondary tensioning construction position, and then use the high-strength tie rod 4 to connect it in an inverted manner with the prefabricated box beam wet joint. After the subsequent construction is completed, the transfer requires a crane to lift in advance, and the high-strength tie rod 4 can be removed to transfer to the next cap beam secondary tensioning construction position.
[0026] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.
Claims
1. A cap beam secondary tensioning operation platform, characterized in that: include: The secondary tensioning operating platform is fixedly connected with the ladder to form an integrated structure; A ladder, wherein the ladder is fixedly connected to the supporting frame to form an integrated structure; The supporting frame is provided with a pedestrian passage connected with a ladder; Tie rods are fixedly connected to the supporting frame and are used for reverse hanging connection with the wet joints of the prefabricated box girders.
2. A cap beam secondary tensioning work platform according to claim 1, characterized in that: The supporting frame includes a main beam, a cross beam and columns. The main beam and the cross beam are arranged perpendicular to each other and fixedly connected to each other to form a planar force-bearing structure. The columns are arranged vertically relative to the planar force-bearing structure, and the pedestrian walkway is fixed on the columns; the tension rod is fixedly connected to the main beam, and the ladder is fixedly connected to the main beam.
3. A cap beam secondary tensioning work platform according to claim 2, characterized in that: The pedestrian passage comprises a rectangular frame with a hollow interior and a protection net surrounding two sides of the rectangular frame, and the rectangular frame is fixedly connected to a column.
4. A cap beam secondary tensioning work platform according to claim 1, characterized in that: There are multiple tie rods, all of which are fixedly connected to the support frame, and the tie rods are distributed on the support frame at intervals.
5. A cap beam secondary tensioning work platform according to claim 1, characterized in that: There are guardrails around the secondary tensioning operation platform.
6. A cap beam secondary tensioning work platform according to claim 1, characterized in that: It also includes a hand chain hoist, one end of which is fixedly connected to the supporting frame, and the other end of the hand chain hoist is used to be fixedly connected to the prefabricated box girder.
7. A cap beam secondary tensioning work platform according to claim 1, characterized in that: A triangular brace is provided between the ladder and the supporting frame.