Hydraulic supporting structure for concrete simply-supported box girder end mold of high-speed railway
By designing the beam bottom bracket and the box beam inner formwork in the hydraulic support structure of the concrete simple-supported box beam of high-speed railway, and setting up support steel piles, fixed brackets, rotating shafts, rotating beams and telescopic columns, the problem of insufficient adjustment flexibility of the existing structure is solved, and efficient construction and maintenance are achieved.
Patent Information
- Application Number
- CN202421563567.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-04
AI Technical Summary
The existing hydraulic support structure of concrete simple-supported box girder end-formed hydraulic support structure of high-speed railway lacks adjustment flexibility and cannot adapt to the diversity of different high-speed railway lines and bridge structures, resulting in increased construction complexity and cost.
A high-speed railway concrete simple-backed box beam end-form hydraulic support structure including beam bottom bracket and box beam inner formwork was designed. By setting up support steel piles, fixed brackets, rotating shafts, rotating beams and telescopic columns, height adjustment flexibility is achieved.
This structure can adjust the shape and size according to actual needs, adapt to the needs of different high-speed railway lines and bridge structures, reduce construction errors, improve construction efficiency, and simplify the installation and maintenance process.
Smart Images
Figure CN222948830U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of high-speed railways, in particular to a hydraulic support structure for the end form of a high-speed railway concrete simply supported box girder. Background Art
[0002] The hydraulic support structures for the end molds of high-speed railway concrete simply supported box girders currently on the market often lack sufficient adjustment flexibility and cannot be effectively adjusted in shape and size according to the diversity of high-speed railway lines and bridge structures, which may require additional customization or modification during installation and construction, increasing the complexity and cost of construction. In addition, the designs of some hydraulic support structures for the end molds of high-speed railway concrete simply supported box girders on the market may not be user-friendly, and the installation and maintenance processes are cumbersome and difficult. Therefore, a hydraulic support structure for the end molds of high-speed railway concrete simply supported box girders is proposed to solve the above problems. Utility Model Content
[0003] 1. Technical issues to be solved
[0004] In view of the shortcomings of the prior art, the utility model provides a hydraulic support structure for the end formwork of a high-speed railway concrete simply supported box girder, which has the advantages of convenient shrinkage and adjustment, etc., and solves the problem that the hydraulic support structure for the end formwork of a high-speed railway concrete simply supported box girder on the market currently lacks sufficient adjustment flexibility and cannot effectively adjust the shape and size according to the diversity of high-speed railway lines and bridge structures, which may require additional customization or modification during the installation and construction process, increasing the complexity and cost of the construction. In addition, the design of some hydraulic support structures for the end formwork of high-speed railway concrete simply supported box girders on the market may not be user-friendly, and the installation and maintenance processes may be cumbersome and difficult.
[0005] (II) Technical solution
[0006] In order to achieve the above-mentioned purpose of convenient contraction adjustment, the utility model provides the following technical solutions:
[0007] A high-speed railway concrete simply supported box girder end form hydraulic support structure, comprising a beam bottom support and a box girder inner form, wherein the box girder inner form is arranged on the top of the beam bottom support;
[0008] The beam bottom bracket includes a fixing seat, support steel piles are fixedly installed around the bottom of the fixing seat, and fixing brackets are fixedly installed on the left and right sides of the top of the fixing seat;
[0009] The box beam inner formwork includes two fixed columns arranged on the top of the fixed seat, the fixed bracket is arranged between the two fixed columns, a beam-making pedestal is fixedly installed between the two fixed columns above the fixed seat, and a fixed crossbeam is fixedly installed on the top of the beam-making pedestal.
[0010] As a preferred technical solution of the utility model, a support beam is fixedly installed between the top of the support steel pile and the bottom of the fixed seat, and connecting parts are fixedly installed on the left and right sides of the bottom of the beam-making base.
[0011] As a preferred technical solution of the utility model, first rotating shafts are fixedly installed at both left and right ends of the fixed beam, and one end of the first rotating shaft away from the fixed beam is rotatably connected to the first rotating beam.
[0012] As a preferred technical solution of the utility model, a second rotating shaft is fixedly installed on one end of the first rotating beam away from the fixed cross beam, and a second rotating beam is rotatably connected to the surface of the second rotating shaft.
[0013] As a preferred technical solution of the utility model, telescopic columns are provided between the fixed cross beam and the first rotating beam, and between the first rotating beam and the second rotating beam, and the telescopic columns are movably connected with the telescopic columns, the first rotating beam, and the second rotating beam.
[0014] As a preferred technical solution of the utility model, support blocks are fixedly installed on one end of the first rotating beam and the second rotating beam close to the beam-making pedestal, and two fixed blocks distributed up and down are fixedly installed on the left and right outer walls of the beam-making pedestal, and connecting beams are respectively arranged between the upper and lower fixed blocks and the support blocks, and the connecting beams are rotatably connected to the fixed blocks and the support blocks.
[0015] (III) Beneficial effects
[0016] Compared with the prior art, the utility model provides a hydraulic support structure for the end form of a high-speed railway concrete simply supported box girder, which has the following beneficial effects:
[0017] The hydraulic support structure of the end form of the high-speed railway concrete simply supported box girder ensures the stability and load-bearing capacity of the entire supported box girder through the supporting steel piles fixedly installed on all sides of the bottom of the fixed seat and the fixed bracket fixedly installed on the top of the fixed seat. By arranging the first rotating axis, the first rotating beam, the second rotating axis, the second rotating beam and the telescopic column, the supported box girder has a high degree of adjustment flexibility. This design enables the supported box girder to adjust its shape and size according to actual needs to adapt to the needs of different high-speed railway lines and bridge structures. At the same time, this adjustment can also reduce errors in the construction process to a certain extent, improve construction efficiency, and facilitate users. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the fully molded state of the end section of the middle beam of the utility model;
[0020] Figure 3 It is a schematic diagram of the fully molded state of the standard cross section in the utility model.
[0021] In the figure: 1. fixed seat; 2. supporting steel piles; 3. fixed bracket; 4. fixed column; 5. beam-making base; 6. fixed crossbeam; 7. first rotating axis; 8. first rotating beam; 9. second rotating axis; 10. second rotating beam; 11. telescopic column; 12. supporting block; 13. fixed block; 14. connecting beam. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0025] See also Figure 1-3 A hydraulic support structure for the end form of a high-speed railway concrete simply supported box girder comprises a beam bottom support and a box girder inner formwork, the box girder inner formwork is arranged on the top of the beam bottom support, the beam bottom support comprises a fixed seat 1, support steel piles 2 are fixedly installed around the bottom of the fixed seat 1, fixed supports 3 are fixedly installed on the left and right sides of the top of the fixed seat 1, the box girder inner formwork comprises two fixed columns 4 arranged on the top of the fixed seat 1, the fixed support 3 is arranged between the two fixed columns 4, a beam making pedestal 5 is fixedly installed between the two fixed columns 4 above the fixed seat 1, and a fixed crossbeam 6 is fixedly installed on the top of the beam making pedestal 5.
[0026] In this embodiment, a support beam is fixedly installed between the top of the support steel pile 2 and the bottom of the fixed seat 1, and connecting parts are fixedly installed on the left and right sides of the bottom of the beam-making base 5.
[0027] It should be noted that the support beam can improve the support strength of the support steel pile 2, and the connecting piece can support the beam-making pedestal 5 on the fixed bracket 3 when the template inside the box beam shrinks.
[0028] In this embodiment, first rotating shafts 7 are fixedly installed at both left and right ends of the fixed crossbeam 6 , and one end of the first rotating shaft 7 away from the fixed crossbeam 6 is rotatably connected to the first rotating beam 8 .
[0029] It should be noted that the first rotating shaft 7 connects the fixed crossbeam 6 and the first rotating beam 8 , allowing the first rotating beam 8 to be rotated and adjusted. The first rotating beam 8 is horizontally adjusted under the action of the first rotating shaft 7 , and at the same time serves as a supporting basis for the second rotating beam 10 .
[0030] In this embodiment, a second rotating shaft 9 is fixedly mounted on one end of the first rotating beam 8 away from the fixed cross beam 6 , and a second rotating beam 10 is rotatably connected to the surface of the second rotating shaft 9 .
[0031] It should be noted that the second rotating shaft 9 connects the first rotating beam 8 and the second rotating beam 10, allowing the second rotating beam 10 to be rotated and adjusted. The second rotating beam 10 can be vertically adjusted under the action of the second rotating shaft 9 to ensure the fit between the box girder and the high-speed railway line and the bridge structure.
[0032] In this embodiment, telescopic columns 11 are provided between the fixed crossbeam 6 and the first rotating beam 8 , and between the first rotating beam 8 and the second rotating beam 10 . The telescopic columns 11 are movably connected to the telescopic columns 11 , the first rotating beam 8 , and the second rotating beam 10 .
[0033] It should be noted that the telescopic column 11 is used to adjust the size and shape of the supporting box beam to improve construction efficiency and accuracy.
[0034] In this embodiment, the first rotating beam 8 and the second rotating beam 10 are fixedly installed with a support block 12 at one end close to the beam-making base 5, and two fixed blocks 13 distributed up and down are fixedly installed on the left and right outer walls of the beam-making base 5. Connecting beams 14 are respectively arranged between the upper and lower fixed blocks 13 and the support blocks 12, and the connecting beams 14 are rotatably connected to the fixed blocks 13 and the support blocks 12.
[0035] It should be noted that the support block 12 and the fixing block 13 provide fixing points for the connecting beam 14 to ensure the stability and reliability of the connecting beam 14 , and the connecting beam 14 ensures the stability and safety of the edge of the supporting box beam.
[0036] In summary, the hydraulic support structure of the end form of the high-speed railway concrete simply supported box girder ensures the stability and load-bearing capacity of the entire supported box girder through the supporting steel piles 2 fixedly installed on all sides of the bottom of the fixed seat 1 and the fixed bracket 3 fixedly installed on the top of the fixed seat 1. By arranging the first rotating shaft 7, the first rotating beam 8, the second rotating shaft 9, the second rotating beam 10 and the telescopic column 11, the supported box girder has a high degree of adjustment flexibility. This design enables the supported box girder to adjust its shape and size according to actual needs to adapt to the needs of different high-speed railway lines and bridge structures. At the same time, this adjustment can also reduce errors in the construction process to a certain extent, improve construction efficiency, and facilitate users.
[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A hydraulic support structure for the end form of a high-speed railway concrete simply supported box girder, comprising a beam bottom support and a box girder inner formwork, wherein the box girder inner formwork is arranged on the top of the beam bottom support; Features: The beam bottom support comprises a fixing seat (1), support steel piles (2) are fixedly installed around the bottom of the fixing seat (1), and fixing brackets (3) are fixedly installed on the left and right sides of the top of the fixing seat (1); The box beam inner template comprises two fixed columns (4) arranged on the top of the fixed seat (1), the fixed bracket (3) is arranged between the two fixed columns (4), a beam-making pedestal (5) is fixedly installed between the two fixed columns (4) above the fixed seat (1), and a fixed crossbeam (6) is fixedly installed on the top of the beam-making pedestal (5).
2. The hydraulic support structure for the end form of a high-speed railway concrete simply supported box girder according to claim 1, characterized in that: A support beam is fixedly installed between the top of the support steel pile (2) and the bottom of the fixed seat (1), and connecting pieces are fixedly installed on the left and right sides of the bottom of the beam-making pedestal (5).
3. The hydraulic support structure for the end form of a high-speed railway simply supported concrete box girder according to claim 1, characterized in that: The left and right ends of the fixed crossbeam (6) are both fixedly mounted with first rotating shafts (7), and one end of the first rotating shaft (7) away from the fixed crossbeam (6) is rotatably connected to a first rotating beam (8).
4. The hydraulic support structure for the end form of a high-speed railway simply supported concrete box girder according to claim 3, characterized in that: A second rotating shaft (9) is fixedly mounted on one end of the first rotating beam (8) away from the fixed cross beam (6), and a second rotating beam (10) is rotatably connected to the surface of the second rotating shaft (9).
5. The hydraulic support structure for the end form of a high-speed railway simply supported concrete box girder according to claim 1, characterized in that: Telescopic columns (11) are provided between the fixed crossbeam (6) and the first rotating beam (8), and between the first rotating beam (8) and the second rotating beam (10), and the telescopic columns (11) are movably connected to the telescopic columns (11), the first rotating beam (8), and the second rotating beam (10).
6. The hydraulic support structure for the end form of a high-speed railway simply supported concrete box girder according to claim 3, characterized in that: A support block (12) is fixedly installed at one end of the first rotating beam (8) and the second rotating beam (10) close to the beam-making pedestal (5); two fixed blocks (13) distributed up and down are fixedly installed on the left and right outer walls of the beam-making pedestal (5); connecting beams (14) are respectively arranged between the upper and lower fixed blocks (13) and the support block (12); and the connecting beams (14) are rotatably connected to the fixed blocks (13) and the support block (12).