Steel bar positioning frame for continuous beam pouring formwork

Abstract

The utility model belongs to the technical field of bridge building construction, and provides a steel bar positioning frame for a continuous beam pouring template, which comprises a head plate, a tail plate, a middle plate and a hinged plate, the head plate and the tail plate are respectively hinged at two ends of the middle plate, and the middle plate is composed of a plurality of mutually hinged connecting plates; positioning notches are formed in the tops of the head plate and the tail plate, notches are formed in the upper portions of the tail portions of the head plate and the connecting plates, and complete positioning notches are formed between the notches and the adjacent connecting plates or the tail plate. A traditional welding mode is abandoned, the positioning frame can be stably fixed to the formwork bottom plate to position transverse steel bars of a beam body bottom plate, the workload is reduced, the bridge building construction efficiency is improved, on the basis, the positioning frame can be detached from the formwork bottom plate and folded to be stored, and the positioning frame is convenient to use. When the formwork is idle, the steel bar positioning frame cannot be corroded due to the influence of the natural environment, and the performance and the service life of the steel bar positioning frame are prevented from being reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of bridge construction, and particularly relates to a steel bar positioning frame for a continuous beam casting formwork. Background Art

[0002] Before casting a continuous beam, it is necessary to arrange the bottom steel bars of the beam body in the formwork, so the steel bars need to be accurately positioned. At present, the existing steel bar positioning methods are to directly weld angle plates on the bottom plate of the formwork. Positioning grooves are usually provided at the top of the angle plates, and the transverse steel bars of the bottom plate of the beam body can be placed in the corresponding positioning grooves to complete the positioning.

[0003] At present, the existing positioning frames for the bottom steel bars of the beam body need to be fixed to the bottom plate of the formwork through welding by workers, which has a large workload, low construction efficiency, and cannot be removed. During the period when the formwork is stored, it will be exposed for a long time and is easily affected by the natural environment and rust, resulting in a significant reduction in performance and service life, and a significant reduction in the use effect.

[0004] Therefore, it is necessary to provide an improved technical solution for the above-mentioned deficiencies of the existing technology. Summary of the Utility Model

[0005] The purpose of the utility model is to overcome the problems that the positioning frames for the bottom steel bars of the beam body in the above-mentioned existing technology are usually fixed to the bottom plate of the formwork by welding, which has a large workload, low construction efficiency, and is exposed to the natural environment for a long time during the storage of the formwork and rusts, and provides a steel bar positioning frame for a continuous beam casting formwork.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A steel bar positioning frame for a continuous beam casting formwork, comprising: a head plate, a tail plate, an intermediate plate and a hinge plate. The head plate and the tail plate are respectively hinged to both ends of the intermediate plate. The intermediate plate is composed of multiple mutually hinged connecting plates; positioning notch openings are provided at the tops of the head plate and the tail plate. Notches are provided above the tails of the head plate and the connecting plates. A complete positioning notch opening is formed between the notch and the adjacent connecting plate or the tail plate; hinge grooves capable of accommodating half of the hinge plate are provided at the tails of the head plate and the connecting plates and at the heads of the tail plate and the connecting plates, so that the hinge plate is arranged between two adjacent hinge grooves. Hinge rods are vertically inserted into the hinge grooves on the tails of the head plate and the connecting plates. The lower ends of the hinge rods penetrate the corresponding hinge plates and protrude out of the bottom of the head plate or the connecting plate, so that the protruding parts of the hinge rods are inserted into positioning holes reserved on the bottom plate of the formwork.

[0008] In the steel bar positioning frame for the continuous beam casting formwork as described above, preferably, positioning columns protrude downward from the bottoms of both the head plate and the tail plate.

[0009] Preferably, the upper end of the hinge rod penetrates through the tail of the corresponding head plate or the connection plate.

[0010] A screw tube is threadedly sleeved on the upper end of the hinge rod, and an internal hexagonal upset head is provided at the top of the screw tube.

[0011] Preferably, a counterbore that fits the internal hexagonal upset head is provided at the bottom of the notch so that the internal hexagonal upset head is completely immersed in the counterbore.

[0012] Preferably, rectangular grooves are provided at the bottoms of both the head plate and the connection plate.

[0013] Preferably, a rectangular block is fixedly sleeved on the outside of the hinge rod;

[0014] The rectangular block is located in the rectangular groove.

[0015] Preferably, the tops and bottoms of the head plate, the tail plate, and the connection plate are all flush.

[0016] Beneficial effects: The present utility model abandons the traditional welding method and can also stably fix the positioning frame on the formwork bottom plate to position the transverse steel bars of the beam body bottom plate, reducing the workload and improving the construction efficiency of bridge construction. Moreover, on this basis, the present utility model can be detached from the formwork bottom plate and folded for storage, so that during the idle period of the formwork, the steel bar positioning frame will not be corroded by the natural environment, avoiding the decline of the performance and service life of the steel bar positioning frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The schematic drawings of the specification forming a part of this application are used to provide a further understanding of the present utility model. The schematic embodiments and descriptions thereof of the present utility model are used to explain the present utility model and do not constitute an improper limitation to the present utility model. Among them:

[0018] Figure 1 is the front view schematic diagram when the present utility model is actually applied;

[0019] Figure 2 is the overall structure schematic diagram of the present utility model;

[0020] Figure 3 is Figure 2 the upward view schematic diagram;

[0021] Figure 4 is the connection schematic diagram of the hinge plate and the hinge rod structure of the present utility model;

[0022] Figure 5This is the overall schematic diagram of the head plate structure of the present utility model;

[0023] Figure 6 is Figure 5 the upward view schematic diagram;

[0024] Figure 7 This is the overall schematic diagram of the connection plate structure of the present utility model

[0025] Figure 8 This is the overall schematic diagram of the tail plate structure of the present utility model.

[0026] In the figure: 1. Head plate; 2. Tail plate; 3. Hinge plate; 4. Connection plate; 5. Positioning notch; 6. Notch; 7. Hinge groove; 8. Hinge rod; 9. Positioning column; 10. Screw tube; 11. Hexagon socket head; 12. Counterbore; 13. Rectangular groove; 14. Rectangular block. Detailed implementation manners

[0027] Next, the technical solutions in the embodiments of the present utility model will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present utility model.

[0028] In the description of the present utility model, the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model rather than requiring the present utility model to be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. The terms "connected" and "connected" used in the present utility model should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection; it can be directly connected or indirectly connected through an intermediate component. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific situations.

[0029] Next, the present utility model will be described in detail with reference to the drawings and in combination with the embodiments. It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0030] Embodiment. This embodiment aims to provide a steel bar positioning frame for a continuous beam casting formwork, and its main functions are reflected in effectively reducing the workload, improving the bridge construction efficiency, and ensuring the use effect of the positioning frame itself.

[0031] Refer to Figure 1 、 Figure 2 and Figure 3, including: a head plate 1, a tail plate 2, an intermediate plate and a hinge plate 3. The head plate 1 and the tail plate 2 are respectively hinged to both ends of the intermediate plate. The intermediate plate is composed of multiple mutually hinged connecting plates 4, and the tops and bottoms of the head plate 1, the tail plate 2 and the connecting plates 4 are all flush. Specifically, positioning columns 9 protrude downward at the bottoms of the head plate 1 and the tail plate 2. Correspondingly, positioning holes that match the positioning columns 9 are provided on the formwork bottom plate. Inserting the positioning columns 9 into the positioning holes can fix the positions of the head plate 1 and the tail plate 2. Positioning notches 5 are provided at the tops of the head plate 1 and the tail plate 2. Notches 6 are provided above the tails of the head plate 1 and the connecting plates 4. A complete positioning notch 5 is formed between the notch 6 and the adjacent connecting plate 4 or tail plate 2. The transverse steel bars of the beam body bottom plate can be positioned by laying them on the positioning notch 5.

[0032] Refer to Figures 2 to 8 , hinge grooves 7 that can accommodate half of the hinge plate 3 are provided at the tails of the head plate 1 and the connecting plates 4 and at the heads of the tail plate 2 and the connecting plates 4, so as to place the hinge plate 3 between two adjacent hinge grooves 7. Hinge rods 8 are vertically inserted into the hinge grooves 7 on the tails of the head plate 1 and the connecting plates 4. The lower ends of the hinge rods 8 penetrate through the corresponding half of the hinge plate 3 and protrude outside the bottom of the head plate 1 or the connecting plate 4, and the protruding parts of the hinge rods 8 are inserted into the positioning holes reserved on the formwork bottom plate. The upper ends of the hinge rods 8 penetrate through the tails of the corresponding head plate 1 or connecting plate 4. Rectangular grooves 13 are provided at the bottoms of the head plate 1 and the connecting plates 4. Rectangular blocks 14 are fixedly sleeved outside the hinge rods 8. The rectangular blocks 14 are located in the rectangular grooves 13, thereby restricting the rotation of the hinge rods 8. Thereby, a screw tube 10 is threadedly sleeved on the upper end of the hinge rod 8, and an internal hexagonal upset head 11 is fixed at the upper end of the screw tube 10, so as to rotate the screw tube 10 through the internal hexagonal upset head 11.

[0033] In this embodiment, a counterbore 12 that matches the internal hexagonal upset head 11 is provided at the bottom of the notch 6, so that the internal hexagonal upset head 11 is completely immersed inside the counterbore 12, avoiding the upward protrusion of the internal hexagonal upset head 11 from affecting the positioning of the transverse steel bars of the beam body bottom plate.

[0034] During actual use, first unfold this positioning frame along a straight line, and insert the positioning columns 9 at the bottoms of the head plate 1 and the tail plate 2 into the positioning holes reserved on the formwork bottom plate correspondingly. As for the multiple mutually hinged connecting plates 4 that form the intermediate plate, the hinge rods 8 protruding outside the bottoms thereof will automatically be inserted into the other positioning holes reserved on the formwork bottom plate along with the fixation of the head plate 1 and the tail plate 2, thereby fixing the position of this positioning frame. Usually, two positioning frames need to be symmetrically arranged on the formwork bottom plate, and the transverse steel bars of the beam body bottom plate can be placed in the mutually corresponding positioning notches 5 on the two symmetrical positioning frames.

[0035] The steel bar positioning frame provided in this embodiment abandons the traditional welding method and can also stably fix the positioning frame on the formwork bottom plate to position the transverse steel bars of the beam body bottom plate, reducing the workload and improving the construction efficiency of bridge construction. Moreover, on this basis, this positioning frame can be disassembled and folded from the formwork bottom plate for storage, so that during the idle period of the formwork, the steel bar positioning frame will not be corroded by the natural environment, avoiding the decline of the performance and service life of the steel bar positioning frame.

[0036] It can be understood that the above description is only exemplary, and the embodiments of the present application do not limit this.

[0037] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention are within the scope of protection of the pending claims of the present invention.

Claims

1. A steel bar positioning frame for continuous beam casting formwork, characterized in that: include: A head plate, a tail plate, a middle plate and a hinged plate, wherein the head plate and the tail plate are hinged to two ends of the middle plate respectively, and the middle plate is composed of a plurality of connecting plates hinged to each other; The tops of the head plate and the tail plate are both provided with positioning notches, and the tails of the head plate and the connecting plate are both provided with notches, and the notches and the adjacent connecting plates or the tail plates form a complete positioning notch; The tail of the head plate and the connecting plate, as well as the head of the tail plate and the connecting plate, are provided with hinge grooves that can accommodate half of the hinge plate, so that the hinge plate can be arranged between two adjacent hinge grooves. A hinge rod is vertically inserted into the hinge groove on the tail of the head plate and the connecting plate, and the lower end of the hinge rod passes through the corresponding hinge plate and protrudes outward from the bottom of the head plate or the connecting plate, so that the protruding part of the hinge rod is inserted into the positioning hole reserved on the template bottom plate.

2. The steel bar positioning frame for continuous beam casting formwork according to claim 1 is characterized in that: The bottoms of the head plate and the tail plate are both provided with positioning columns protruding downwards.

3. The steel bar positioning frame for continuous beam casting formwork according to claim 1, characterized in that: The upper end of the hinged rod penetrates the corresponding tail of the head plate or the connecting plate; The upper end of the hinged rod is threadedly sleeved with a screw tube, and the top of the screw tube is provided with a hexagonal upsetting head.

4. The steel bar positioning frame for continuous beam casting formwork according to claim 3 is characterized in that: The bottom of the notch is provided with a countersink matched with the hexagonal header, so that the hexagonal header is completely immersed in the countersink.

5. The steel bar positioning frame for continuous beam casting formwork according to claim 1, characterized in that: The bottoms of the head plate and the connecting plate are both provided with rectangular grooves.

6. The steel bar positioning frame for continuous beam casting formwork according to claim 5, characterized in that: The external fixing sleeve of the hinged rod is provided with a rectangular block; The rectangular block is located in the rectangular groove.

7. The steel bar positioning frame for continuous beam casting formwork according to claim 1, characterized in that: The tops and bottoms of the head plate, the tail plate and the connecting plate are kept flush.

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