Hollow pier template
By setting up template connection components and support components between the inner mold cylinder and the outer mold cylinder of the hollow pier formwork, the problems of high labor intensity and low safety during pouring are solved, and the effect of reducing labor intensity, improving safety and construction efficiency is achieved.
Patent Information
- Application Number
- CN202422035044.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-21
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-08-21
AI Technical Summary
When pouring existing large hollow pier formwork, workers need to hold the discharge pipe of the concrete mixer truck and move along the casting cavity, resulting in high labor intensity, high risk of accidental injury caused by improper operation or fatigue, low work safety and high incidence of work injury.
A hollow pier formwork is designed, and the labor intensity of workers is reduced by setting a template connection assembly between the inner mold cylinder and the outer mold cylinder and an additional support assembly is provided thereon.
It reduces the labor intensity of workers, reduces the risk of accidental injuries caused by improper operation or fatigue, improves work safety, reduces the incidence of work injuries, and shortens construction time through modular design and improves construction efficiency.
Smart Images

Figure CN223003293U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of construction engineering, in particular to a formwork for a hollow pier. Background Art
[0002] The formwork for a hollow pier is a special formwork system for building hollow bridge piers. Through support and fixation, it forms the outer shape and internal cavity of the bridge pier. The formwork is usually made of steel or wood, including an outer formwork cylinder and an inner formwork cylinder, ensuring accurate dimensions and shapes during concrete pouring. Using the formwork for a hollow pier can reduce the structural weight, save materials, and improve the seismic performance and construction efficiency of the bridge pier. Its design and installation requirements are strict to ensure that the final concrete bridge pier meets the quality and specification standards of the engineering design.
[0003] In the prior art, when pouring large formworks for hollow piers, most workers hold the discharge pipe of the concrete mixer truck and move along the pouring cavity of the formwork for the hollow pier. The manual labor intensity is relatively large, the risk of accidental injury caused by improper operation or fatigue of workers is relatively high, the work safety is relatively low, and the incidence of work-related injuries is relatively high. Summary of the Invention
[0004] The purpose of the utility model is to solve the problems in the prior art that when pouring large formworks for hollow piers, most workers hold the discharge pipe of the concrete mixer truck and move along the pouring cavity of the formwork for the hollow pier, the manual labor intensity is relatively large, the risk of accidental injury caused by improper operation or fatigue of workers is relatively high, the work safety is relatively low, and the incidence of work-related injuries is relatively high, and to propose a formwork for a hollow pier.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A formwork for a hollow pier includes an inner formwork cylinder and an outer formwork cylinder. Inner insertion holes are circularly arranged at the top of the inner formwork cylinder, and outer insertion holes are circularly arranged at the top of the outer formwork cylinder. A formwork connection component for relatively fixing between the inner formwork cylinder and the outer formwork cylinder is arranged at the top of the inner formwork cylinder and the outer formwork cylinder in an array. A support and guiding component for stably supporting the discharge pipe of the concrete mixer truck is arranged at the top of the formwork connection component. The support and guiding component includes a docking ring rod, a support ring rod, and a support component.
[0007] Optionally, the formwork connection component includes a horizontal plate, an inner insertion post, and an outer insertion post. One end of the bottom of the horizontal plate is fixedly provided with an inner insertion post, and the bottom of the inner insertion post is movably inserted into the inner insertion hole.
[0008] Optionally, the other end of the horizontal plate is fixedly provided with an outer insertion post, the bottom of the outer insertion post is movably inserted into the outer insertion hole, and a transfer handle is fixedly provided at the bottom of the horizontal plate.
[0009] Optionally, an arc-shaped groove is provided at the middle position of the top of the horizontal plate. A support ring rod is fixedly arranged at the edge position of the top of the arc-shaped groove. A docking ring rod is fixedly arranged at the top of the support ring rod. The support assembly includes a support ring, a support plate, a horizontal column, and a fixing ring.
[0010] Optionally, a support ring is slidably arranged along the horizontal direction on the outer wall of the docking ring rod. An avoidance notch is provided at the bottom of the support ring. A support plate is vertically and fixedly arranged at the top of the support ring.
[0011] Optionally, a horizontal column is fixedly connected to the top of the side surface of the support plate. A fixing ring is fixedly arranged on the side surface of the horizontal column.
[0012] Compared with the prior art, the present utility model has the following advantages:
[0013] 1. A template connection assembly is provided between the inner mold cylinder and the outer mold cylinder of the present utility model. On the one hand, the template connection assembly is used for connection and positioning between the inner mold cylinder and the outer mold cylinder. The additional support assembly provided on the template connection assembly can assist in supporting the discharge pipe of the concrete mixer truck, greatly reducing the labor intensity of workers, reducing the physical consumption of workers when continuously moving the concrete discharge pipe, thereby reducing the labor intensity, improving work efficiency, and reducing the risk of accidental injuries caused by improper operation or fatigue of workers, improving work safety, and reducing the incidence of work-related injuries.
[0014] 2. A template connection assembly is provided between the inner mold cylinder and the outer mold cylinder of the present utility model. The template connection assembly, the inner mold cylinder, and the outer mold cylinder are modularly arranged. The modular design enables workers to quickly build and disassemble the formwork for the hollow pier, greatly shortening the construction time and improving the construction efficiency. Especially for large-scale engineering projects, the construction period can be significantly reduced, and labor and equipment costs can be saved. Description of the Drawings
[0015] Figure 1 It is a schematic diagram of the overall structure of the present utility model.
[0016] Figure 2 It is Figure 1 a semi-explosion structure schematic diagram of
[0017] Figure 3 It is a schematic diagram of the connection structure between the template connection structure and the support and guiding assembly.
[0018] Figure 4 It is a schematic diagram of the support structure.
[0019] In the figure: 1. Inner mold cylinder; 2. Outer mold cylinder; 21. Outer insertion hole; 3. Inner insertion hole; 4. Docking ring rod; 5. Support ring rod; 6. Horizontal plate; 61. Inner insertion post; 62. Outer insertion post; 63. Arc-shaped groove; 7. Transfer handle; 8. Fixed ring; 9. Horizontal post; 10. Support plate; 11. Support ring; 12. Avoidance notch. Detailed implementation mode
[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.
[0021] Refer to Figures 1-4 , a formwork for a hollow pier, including an inner mold cylinder 1 and an outer mold cylinder 2. Inner insertion holes 3 are circularly arranged at the top of the inner mold cylinder 1, and outer insertion holes 21 are circularly arranged at the top of the outer mold cylinder 2. A formwork connection assembly for relatively fixing between the inner mold cylinder 1 and the outer mold cylinder 2 is arranged at the top of the inner mold cylinder 1 and the outer mold cylinder 2 in an array. A support and guiding assembly for stably supporting the discharge pipe of a concrete mixer truck is arranged at the top of the formwork connection assembly. The support and guiding assembly includes a docking ring rod 4, a support ring rod 5, and a support assembly.
[0022] The formwork connection assembly includes a horizontal plate 6, an inner insertion post 61, and an outer insertion post 62. One end of the bottom of the horizontal plate 6 is fixedly provided with an inner insertion post 61, and the bottom of the inner insertion post 61 is movably inserted into the inner insertion hole 3. The other end of the horizontal plate 6 is fixedly provided with an outer insertion post 62, and the bottom of the outer insertion post 62 is movably inserted into the outer insertion hole 21. A transfer handle 7 is fixedly provided at the bottom of the horizontal plate 6, which is convenient for workers to transfer the horizontal plate 6 and its connecting parts.
[0023] An arc-shaped groove 63 is opened at the middle position of the top of the horizontal plate 6. A support ring rod 5 is fixedly provided at the top edge position of the arc-shaped groove 63, and a docking ring rod 4 is fixedly provided at the top of the support ring rod 5. The support assembly includes a support ring 11, a support plate 10, a horizontal post 9, and a fixed ring 8. A support ring 11 is slidably arranged on the outer wall of the docking ring rod 4 in the horizontal direction. An avoidance notch 12 is opened at the bottom of the support ring 11. The maximum distance between any two points of the support ring 11 is greater than the diameter of the support ring 11. Therefore, the support ring 11 can move along the outer wall of the docking ring rod 4 without detachment. The support ring rod 5 is used to stably support the support ring 11.
[0024] A support plate 10 is vertically and fixedly provided at the top of the support ring 11. A horizontal post 9 is fixedly connected to the top of the side surface of the support plate 10. A fixed ring 8 is fixedly provided on the side surface of the horizontal post 9. The fixed ring 8 is used to support and fix the discharge pipe of the concrete mixer truck.
[0025] The specific implementation steps and principles of the present invention are as follows:
[0026] The worker places the inner die barrel 1 and the outer die barrel 2 in the correct positions, and then inserts the four horizontal plates 6 into the tops of the inner die barrel 1 and the outer die barrel 2 in sequence. Specifically, the inner insertion column 61 of a horizontal plate 6 is inserted into the inner insertion hole 3, and the outer insertion column 62 is inserted into the outer insertion hole 21. The four docking ring rods 4 and the support ring rod 5 form the annular displacement track of the support ring 11. Finally, the discharge pipe of the concrete mixer truck is inserted into the fixed ring 8 and tied to the fixed ring 8. Finally, the worker moves the discharge pipe of the concrete mixer truck along the annular track formed by the four docking ring rods 4 to complete the pouring of the concrete in the gap between the inner die barrel 1 and the outer die barrel 2.
[0027] The above is only the preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and inventive concept of the present utility model, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.
Claims
1. A hollow pier formwork, comprising an inner mold cylinder (1) and an outer mold cylinder (2), characterized in that: The inner mold cylinder (1) has an inner insertion hole (3) in a circular array at the top, and the outer mold cylinder (2) has an outer insertion hole (21) in a circular array at the top. The inner mold cylinder (1) and the outer mold cylinder (2) are provided with a template connection assembly at the top of the array for relatively fixing the inner mold cylinder (1) and the outer mold cylinder (2). The top of the template connection assembly is provided with a support guide assembly for stably supporting the discharge pipe of the concrete mixer truck. The support guide assembly comprises a docking ring rod (4), a support ring rod (5), and a support assembly.
2. A hollow pier formwork according to claim 1, characterized in that: The template connection assembly comprises a horizontal plate (6), an inner plug-in column (61), and an outer plug-in column (62); the inner plug-in column (61) is fixedly arranged at one end of the bottom of the horizontal plate (6); and the bottom of the inner plug-in column (61) is movably inserted into the inner plug-in hole (3).
3. A hollow pier formwork according to claim 2, characterized in that: An external plug-in column (62) is fixedly provided at the other end of the horizontal plate (6), and the bottom of the external plug-in column (62) is movably inserted into the external plug-in hole (21). A transfer handle (7) is fixedly provided at the bottom of the horizontal plate (6).
4. A hollow pier formwork according to claim 3, characterized in that: An arc-shaped groove (63) is provided in the middle of the top of the horizontal plate (6), a support ring rod (5) is fixedly provided at the top edge of the arc-shaped groove (63), a docking ring rod (4) is fixedly provided at the top of the support ring rod (5), and the support assembly comprises a support ring (11), a support plate (10), a horizontal column (9), and a fixing ring (8).
5. A hollow pier formwork according to claim 1, characterized in that: A support ring (11) is slidably arranged on the outer wall of the docking ring rod (4) in the horizontal direction, an avoidance notch (12) is provided at the bottom of the support ring (11), and a support plate (10) is vertically fixedly arranged on the top of the support ring (11).
6. A hollow pier formwork according to claim 5, characterized in that: A horizontal column (9) is fixedly connected to the top of the side of the support plate (10), and a fixing ring (8) is fixedly arranged on the side of the horizontal column (9).