Variable-diameter arc-shaped bridge pier template

Abstract

The utility model provides a variable-diameter bridge pier arc-shaped formwork which comprises at least one formwork unit, the multiple formwork units are connected through connecting pieces, each formwork unit comprises a composite steel formwork, longitudinal connecting plates are arranged on the two side edges of each composite steel formwork, three longitudinal ribs are arranged on one side face of each composite steel formwork, and the longitudinal connecting plates are connected with the longitudinal ribs. The longitudinal rib is longitudinally and fixedly connected with one ends of two screw rods, and the screw rods are sleeved with outer arc-shaped ribs in the horizontal direction. According to the utility model, the template can adapt to the construction requirements of arc-shaped structures with different sizes and shapes, and the flexibility and efficiency of construction are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, in particular to a variable-diameter pier arc formwork. Background Technique

[0002] When using a fixed-form arc formwork for pier construction, it is necessary to install and fix it according to the design requirements and construction specifications. Different types of fixed-form arc formworks have different applicable ranges. Therefore, when selecting and using the formwork, different selections need to be made according to the specific project requirements and construction conditions, and the flexibility is insufficient.

[0003] Therefore, there is an urgent need for a variable-diameter pier arc formwork to solve the above problems. Summary of the Invention

[0004] The purpose of the utility model is to overcome the above deficiencies and provide a variable-diameter pier arc formwork to solve the problems raised in the background technique.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a variable-diameter pier arc formwork, including at least one formwork unit, and a plurality of the formwork units are connected by connecting pieces. The formwork unit includes a composite steel formwork. Longitudinal connecting plates are arranged on both sides of the composite steel formwork. Three longitudinal ribs are arranged on one side of the composite steel formwork. One end of the longitudinal ribs is fixedly connected to one end of two screws longitudinally, and the screws are sleeved with outer arc ribs in the horizontal direction.

[0006] Preferably, the composite steel formwork is an arc plate. The steel used for making the composite steel formwork has an extension effect. The outer arc surface of the composite steel formwork is the side surface provided with longitudinal ribs. The longitudinal ribs are three and are arranged horizontally and equidistantly on the outer arc surface of the composite steel formwork.

[0007] Preferably, one side of the longitudinal connecting plate is welded to the side of the composite steel formwork, and a plurality of connecting holes are arranged on the longitudinal connecting plate.

[0008] Preferably, one end of the screw is fixedly welded to the longitudinal rib, the other end of the screw is suspended, and the screw rod body is provided with threads.

[0009] Preferably, one outer arc rib is sleeved on three screws in the horizontal direction, and nuts are arranged at the sleeved positions of the screws and the outer arc ribs.

[0010] Preferably, the outer arc rib is an arc rib plate, and three through holes are arranged on the outer arc rib for it to be sleeved on the screw.

[0011] Preferably, the connecting piece is a bolt structure, and the longitudinal connecting plates are connected by the connecting piece passing through the connecting holes.

[0012] The utility model has the following beneficial effects:

[0013] 1. The present utility model has developed a variable-diameter pier arc formwork technology, realizing the flexible adjustment function of the formwork radius, breaking through the limitations of traditional formwork design, and enhancing the adaptability of the formwork to different types of engineering requirements;

[0014] 2. The modular design concept is adopted in the present utility model, simplifying the assembly and disassembly process of the formwork, effectively reducing the overall weight of the formwork, making it more convenient for construction under various complex terrain conditions. At the same time, this design also promotes the improvement of construction efficiency and facilitates the transportation, storage, and on-site use of the formwork. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the front view of the formwork unit of the present utility model;

[0016] Figure 2 is the top view of the formwork unit of the present utility model;

[0017] Figure 3 is the connection schematic diagram of the connecting piece and the longitudinal connecting plate of the present utility model;

[0018] Figure 4 is the front view of the longitudinal connecting plate of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The present utility model will be further described below in conjunction with the drawings and embodiments:

[0020] See Figure 1 and Figure 4 , a variable-diameter pier arc formwork, including at least one formwork unit 1, and a plurality of the formwork units 1 are connected by connecting pieces 2. The formwork unit 1 includes a composite steel formwork 1.1, longitudinal connecting plates 1.2 are arranged on both sides of the composite steel formwork 1.1, three longitudinal ribs 1.3 are arranged on one side surface of the composite steel formwork 1.1, one ends of the longitudinal ribs 1.3 are longitudinally fixedly connected with two screws 1.4, and an outer arc rib 1.5 is sleeved on the screws 1.4 in the horizontal direction. The precise design and adjustment mechanism of the variable-diameter pier arc formwork ensure the structural stability and quality during the construction process. By precisely controlling the shape and size of the formwork, high-quality arc structure construction can be achieved. It has wide applicability.

[0021] Preferably, the composite steel formwork 1.1 is an arc plate, the steel used for manufacturing the composite steel formwork 1.1 has a stretching effect, the outer arc surface of the composite steel formwork 1.1 is the side surface provided with the longitudinal ribs 1.3, and the longitudinal ribs 1.3 are three horizontal and equally spaced on the outer arc surface of the composite steel formwork 1.1.

[0022] Preferably, one side of the longitudinal connecting plate 1.2 is welded to the side edge of the composite steel formwork 1.1, and a plurality of connecting holes 1.2.1 are provided on the longitudinal connecting plate 1.2.

[0023] Preferably, one end of the screw 1.4 is fixedly welded to the longitudinal rib 1.3, the other end of the screw 1.4 is suspended, and the body of the screw 1.4 is provided with threads.

[0024] Preferably, an outer arc rib 1.5 is sleeved on three screws 1.4 in the horizontal direction, and a nut 1.6 is provided at the sleeve joint of the screw 1.4 and the outer arc rib 1.5. There are 3 screws 1.4 in a row in the horizontal direction and two rows in the longitudinal space. Therefore, there are a total of 6 screws 1.4 and two outer arc ribs 1.5 on each formwork unit 1. By adjusting the screws 1.4 through the nuts 1.6, the radian of the composite steel formwork 1.1 is controlled to realize the diameter change of the formwork unit 1.

[0025] Preferably, the outer arc rib 1.5 is an arc-shaped rib plate, and three through holes 1.5.1 are provided on the outer arc rib 1.5 for it to be sleeved on the screw 1.4.

[0026] Preferably, the connecting member 2 is a bolt structure, and the longitudinal connecting plates 1.2 are connected by the connecting member 2 passing through the connecting holes 1.2.1.

[0027] The working principle of this embodiment is as follows:

[0028] During the use process, first, after selecting the formwork combination, by advancing and retracting the screws 1.4, according to the special measuring ruler obtained through tests and calculations, each formwork unit 1 is adjusted to the corresponding diameter; secondly, each formwork unit 1 is bolted together through the longitudinal connecting plates 1.2 at both ends of each composite steel formwork 1.1; then, concrete is poured; finally, when removing the formwork, only the connecting member 2 needs to be loosened to realize the removal of the formwork.

[0029] The above embodiments are only the preferred technical solutions of the present invention and should not be regarded as limitations on the present invention. The protection scope of the present invention should be the technical solutions recorded in the claims, including the equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, the equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. A variable diameter bridge pier arc formwork, characterized in that: The invention comprises at least one template unit (1), wherein a plurality of the template units (1) are connected via a connecting piece (2), wherein the template unit (1) comprises a composite steel template (1.1), wherein longitudinal connecting plates (1.2) are provided on both sides of the composite steel template (1.1), and wherein one side of the composite steel template (1.1) is provided with three longitudinal ribs (1.3), wherein the longitudinal ribs (1.3) are longitudinally fixedly connected to one end of two screw rods (1.4), and wherein the screw rods (1.4) are sleeved with outer arc-shaped ribs (1.5) in the horizontal direction.

2. The variable diameter bridge pier arc formwork according to claim 1 is characterized in that: The composite steel formwork (1.1) is an arc-shaped plate; the steel material used to make the composite steel formwork (1.1) has an elongated effect; the outer arc surface of the composite steel formwork (1.1) is a side surface provided with longitudinal ribs (1.3); the longitudinal ribs (1.3) are three equidistantly arranged horizontally on the outer arc surface of the composite steel formwork (1.1).

3. The variable diameter bridge pier arc formwork according to claim 1 is characterized in that: One side of the longitudinal connecting plate (1.2) is welded to the side of the composite steel formwork (1.1), and a plurality of connecting holes (1.2.1) are provided on the longitudinal connecting plate (1.2).

4. The variable diameter bridge pier arc formwork according to claim 1, characterized in that: One end of the screw rod (1.4) is fixedly welded to the longitudinal rib (1.3), the other end of the screw rod (1.4) is suspended in the air, and the shaft of the screw rod (1.4) is provided with threads.

5. The variable diameter bridge pier arc formwork according to claim 4 is characterized in that: An outer arc-shaped rib (1.5) is sleeved onto three screw rods (1.4) in the horizontal direction, and a nut (1.6) is provided at the sleeve joint between the screw rods (1.4) and the outer arc-shaped rib (1.5).

6. The variable diameter bridge pier arc formwork according to claim 1, characterized in that: The outer arc-shaped rib (1.5) is an arc-shaped rib plate, and the outer arc-shaped rib (1.5) is provided with three through holes (1.5.1) for being sleeved on the screw rod (1.4).

7. The variable diameter bridge pier arc formwork according to claim 1, characterized in that: The connecting piece (2) is a bolt structure, and the longitudinal connecting plates (1.2) are connected to each other by the connecting piece (2) passing through the connecting hole (1.2.1).

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