Fixator for double-block type roadbed slab pouring tool of rail transit bridge section
By designing a double-block roadbed slab casting tool fixture for rail transit bridge sections, and using bolts and tie rods to fix the tool, the problem of deformation and deviation of side molds and tools during the roadbed slab pouring of bridge sections is solved, and higher construction efficiency and quality are achieved.
Patent Information
- Application Number
- CN202422256224.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-09-14
AI Technical Summary
During the pouring of the bed slabs in the rail transit bridge section, due to the narrow working space and external factors, the side molds and tools are prone to deform and deviate, resulting in a decrease in molding quality and construction accuracy.
A double-block pavement plate casting tool fixture is designed, which is bolted to the bridge retaining wall, and the tool is jointly fixed by pull rods and strut rods to prevent deformation and offset caused by extrusion during concrete pouring.
It effectively prevents deformation and deviation of tools, reduces fine-tuning operation steps, improves construction efficiency and quality, reduces construction space, and provides guarantees for subsequent construction.
Smart Images
Figure CN223033764U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rail transit engineering construction, in particular to a fixing device for a double-block ballast bed slab casting tool for a rail transit bridge section. Background Technique
[0002] During the construction of the ballast bed slab casting in the railway bridge section, due to narrow working space, long casting mileage and external factors such as high and low slopes in the bridge section, the side formwork and casting linearity are prone to deformation and deviation during the casting process, resulting in a decline in the casting forming quality and further a decline in the construction accuracy. Summary of the Invention
[0003] The purpose of the utility model is to provide a fixing device for a double-block ballast bed slab casting tool for a rail transit bridge section according to the deficiencies of the above-mentioned prior art. It is fixed on the existing bridge retaining wall through bolts, and then the tool and the support rod are firmly pulled by the pull rod to prevent the tool from deforming and shifting due to the extrusion of concrete during the concrete casting process, causing overall deviation. At the same time, under the combined fixing action of the pull rod and the support rod, the fine adjustment operation steps are reduced. Adjusting the bolts on the pull rod and the support rod can meet the fine adjustment requirements, and it can also improve the construction efficiency, speed up the construction progress, reduce the construction space, and provide guarantee for subsequent construction.
[0004] The purpose of the utility model is realized by the following technical solutions:
[0005] A fixing device for a double-block ballast bed slab casting tool for a rail transit bridge section, characterized in that: it includes two portal frames and two fixing plates connected between the two portal frames. The two fixing plates are arranged at a certain distance interval in the transverse support direction of the portal frames. The portal frames are connected and fixed through the fixing plates to form an overall structure. Threaded nail mounting holes are opened on the fixing plates, and pull rod connection holes are opened on the portal frames.
[0006] The threaded nail mounting holes are respectively opened on the two fixing plates, and the positions of the threaded nail mounting holes on both sides correspond.
[0007] The pull rod connection holes are respectively opened on the two portal frames, and the positions of the pull rod connection holes on the two portal frames correspond.
[0008] In the vertical direction of the portal frame, two or more pull rod connection holes are opened on the vertical supports of the portal frame.
[0009] The advantages of the present utility model are as follows: It is modified according to the on-site construction conditions, is simple and easy to operate, and is easy to carry. Due to its small size, it has little limitation on the construction site and saves the construction area; the operation difficulty is low, it can be used immediately upon arrival and can also be recycled, the fine adjustment speed is faster and it is more firm and stable, the effect is remarkable, it shortens the track fine adjustment time and solves the problem of the formwork and tooling running out of position during the pouring of the ballast bed slab, improves the construction quality, and speeds up the construction progress. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 is the front view of the present utility model;
[0011] Figure 2 is the structural schematic diagram of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0012] The features of the present utility model and other related features will be further described in detail below through embodiments with reference to the accompanying drawings for the understanding of those skilled in the same industry:
[0013] As Figure 1-2 shown, the marks 1-4 in the figure respectively represent: gantry frame 1, fixed plate 2, tie rod connection hole 3, and screw nail installation hole 4.
[0014] Embodiment: As Figure 1 and Figure 2 shown, the fixture for fixing the double-block ballast bed slab pouring tooling in the bridge section of rail transit in this embodiment includes two gantry frames 1 and two fixed plates 2 connected between the two gantry frames 1. The two fixed plates 2 are arranged at a certain distance interval in the transverse support direction of the gantry frame 1, and the two gantry frames 1 are connected and fixed by the two fixed plates 2 to form an integral structure.
[0015] In this embodiment, screw nail installation holes 4 are provided on the two fixed plates 2, and the positions of the screw nail installation holes 4 on both sides correspond to ensure the connection strength and stability between the overall device and its installation part.
[0016] In this embodiment, tie rod connection holes 3 are respectively provided on the two gantry frames 1, and the positions of the tie rod connection holes 3 on the two gantry frames 1 correspond to ensure the smooth installation of the tie rods. At the same time, in the vertical direction of the gantry frame 1, two tie rod connection holes 3 with different heights are provided on the vertical support of the gantry frame 1 to facilitate the installation requirements of tie rods at different positions.
[0017] When this embodiment is specifically implemented: According to the installation part and the different sizes of the installation part, the size of the gantry frame 1 is adaptively changed. Taking the installation on the bridge retaining wall in this embodiment as an example, this embodiment has the following construction method:
[0018] The integral formed by the portal frame 1 and the fixing plate 2 in this embodiment is clamped onto the bridge retaining wall, and then threaded nails are passed through the threaded nail mounting holes 4 and tightened to achieve the overall fixation of the device. Then, according to the fine-tuning data, a tie rod of appropriate length is installed at the position of the tie rod connection hole 3 and fixed with tooling. Finally, concrete is poured. After the concrete strength reaches the requirement, the tools and tooling are removed and moved to the next construction site.
[0019] Although the above embodiments have described in detail the concept and embodiments of the purpose of the present utility model with reference to the accompanying drawings, those of ordinary skill in the art can recognize that various improvements and transformations can still be made to the present utility model without departing from the scope defined by the claims. Therefore, they will not be elaborated one by one here.
Claims
1. A fixture for casting double-block ballast slabs in rail transit bridge sections, characterized in that: It includes two door-type frames and two fixing plates connected between the two door-type frames. The two fixing plates are arranged at a certain distance in the lateral supporting direction of the door-type frames. The door-type frames are connected and fixed by the fixing plates to form an integral structure. The fixing plates are provided with threaded nail installation holes, and the door-type frames are provided with pull rod connection holes.
2. The fixture for casting double-block ballast slabs for rail transit bridge sections according to claim 1 is characterized in that: The two fixing plates are respectively provided with the threaded nail installation holes, and the threaded nail installation holes on both sides are located in corresponding positions.
3. The fixture for casting double-block ballast slabs of rail transit bridge sections according to claim 1 is characterized in that: The two door-shaped frames are respectively provided with the tie rod connection holes, and the positions of the tie rod connection holes of the two door-shaped frames correspond to each other.
4. A fixture for casting double-block ballast slabs for rail transit bridge sections according to claim 1 or 3, characterized in that: In the vertical direction of the portal frame, two or more tie rod connection holes are provided on the vertical support of the portal frame.