Telescopic template supporting rod

Abstract

The utility model discloses a telescopic formwork supporting rod which comprises a telescopic rod piece and an elastic supporting piece arranged at one end of the telescopic rod piece, a first buckle and a second buckle are arranged at the opposite ends of the telescopic rod piece and the elastic supporting piece respectively, and each of the first buckle and the second buckle comprises a clamping plate and side plates arranged on the two sides of the clamping plate. A clamping groove with a downward opening is defined by the clamping plate and the two side plates. The supporting rod is clamped at the top of a formwork through the first buckle and the second buckle to achieve the supporting effect, the length of the telescopic rod piece can be adjusted according to the pouring width, the elastic supporting piece can elastically support the formwork, the structure is simple, installation is convenient, efficiency is high, repeated use can be achieved, and the cost can be effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete pouring technical field, concretely relates to a telescopic formwork support rod. BACKGROUND

[0002] In water conservancy and hydropower engineering, some dams adopt vertical asphalt concrete core wall structure, wherein the asphalt core wall is in trapezoidal structure, the core wall width is in gradual change shape, the top width is 0.5m, gradually thickens downward, and the maximum thickness at the bottom is 1m. The top and bottom of the core wall are provided with enlarged sections to enhance the structural strength.

[0003] In the construction process of the asphalt concrete core wall, a key technical challenge lies in how to effectively control and fix the formwork to ensure that the core wall pouring width meets the design requirements. The traditional method usually adopts the setting of the counter-pulled steel bar support on the top formwork and the conventional support rod, although this method can realize the fixation of the formwork, but also has many disadvantages: 1, long installation and disassembly time, laborious and time-consuming, which is not conducive to improving the construction efficiency; 2, the corresponding length of the steel bar needs to be made according to the width of the formwork, which consumes a lot of materials, directly increases the cost, and the materials are difficult to be reused, causing resource waste; 3, the asphalt concrete is easy to expand after pouring, the formwork of the traditional support structure cannot control the pouring width after being extruded, which is easy to produce errors and affect the quality of the core wall. UTILITY MODEL CONTENTS

[0004] The utility model discloses a telescopic formwork support rod, which is fixed on the top of the formwork by the first buckle and the second buckle to play a supporting role. The telescopic rod can adjust the length according to the pouring width. The elastic support can elastically support the formwork to reduce the influence of the thermal expansion and cold contraction of the concrete, thereby ensuring the pouring width. The structure is simple, easy to install, efficient, reusable, and can effectively reduce the cost.

[0005] A telescopic formwork support rod, comprising a telescopic rod and an elastic support arranged at one end of the telescopic rod, the opposite ends of the telescopic rod and the elastic support are respectively provided with a first buckle and a second buckle, the first buckle and the second buckle each comprise a clamping plate and side plates arranged on both sides of the clamping plate, and the clamping plate and the two side plates form a clamping groove with the opening facing downward.

[0006] Further technical solutions are as follows: the telescopic rod comprises an outer circular rod and an inner circular rod, a plurality of reserved holes are formed on the outer circular rod and the inner circular rod along the length direction at equal intervals, and the corresponding reserved holes on the outer circular rod and the inner circular rod are fixedly connected through bolts and nuts.

[0007] Further technical solutions are as follows: the outer circular rod is fixedly connected with the side plate of the first buckle, and the inner circular rod is fixedly connected with the elastic support.

[0008] Further technical solutions are that the outer end of the inner round rod of the telescopic rod piece is fixedly connected with a connecting plate, and the other side of the connecting plate is fixedly connected with the elastic supporting piece.

[0009] Further technical solutions are that the elastic supporting piece is made of a plurality of spring steel wires into a spiral shape.

[0010] Further technical solutions are that the outer round rod is a Ф48*2.5mm, 50cm long circular steel pipe, the inner round rod is a Ф42*2.5mm, 50cm long circular steel pipe, the hole diameter of the reserved hole is 20mm, and the spacing between the reserved holes is 10cm.

[0011] Further technical solutions are that the diameter of the elastic supporting piece is 2cm, and the length is 65cm.

[0012] The beneficial effects of the utility model are:

[0013] The telescopic formwork supporting rod of the utility model can adjust the reserved hole positions of the outer round rod and the inner round rod of the telescopic rod piece according to the pouring width in the construction process, can center the reserved hole after the overall length reaches the formwork spacing, and can be fixedly connected through the bolt. Finally, the first buckle and the second buckle on the two sides are adjusted and respectively clamped on the top of the formwork on the two sides, so that the pouring width can be effectively controlled. And the elastic supporting piece can provide elastic support in the concrete solidification process, so as to avoid the cracking or damage of the formwork caused by extrusion in the concrete thermal expansion and cold contraction process. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model.

[0015] Figure 2 It is a structural schematic view of the first buckle.

[0016] In the drawings:

[0017] 1, telescopic rod piece, 2, elastic supporting piece, 3, first buckle, 4, second buckle, 5, side plate, 6, clamping plate, 7, outer round rod, 8, inner round rod, 9, reserved hole, 10, bolt, 11, connecting plate, 12, clamping groove. DETAILED DESCRIPTION

[0018] The utility model will be further described in detail in combination with the drawings. These drawings are all simplified schematic views, and only schematically show the basic structure of the utility model, so that only the structures related to the utility model are shown.

[0019] In the description of the utility model, it needs to explain, if the terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, and therefore can not be understood as a limitation on the utility model.

[0020] In the description of the utility model, it needs to explain, unless otherwise explicitly provided and limited, such as the terms "mounting", "connecting", "connecting" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements. For the skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0021] A telescopic formwork support rod, as shown in Figure 1 and Figure 2 It comprises telescopic rod 1 and elastic support 2 arranged at one end of telescopic rod 1, and the opposite ends of telescopic rod 1 and elastic support 2 are respectively provided with first buckle 3 and second buckle 4, first buckle 3 and second buckle 4 both comprise clamping plate 6 and side plate 5 arranged on both sides of clamping plate 6, and clamping plate 6 and two side plates 5 form clamping groove 12 with the opening downward. Specifically, clamping plate 6 and side plate 5 are welded and connected by steel plates with a thickness of 4mm, and the distance between the two side plates 5 is 2cm.

[0022] Telescopic rod 1 comprises outer circular rod 7 and inner circular rod 8, and a plurality of reserved holes 9 are arranged on outer circular rod 7 and inner circular rod 8 along the length direction at equal intervals, and outer circular rod 7 and inner circular rod 8 are fixedly connected by bolts 10 and nuts on the corresponding reserved holes 9. Outer circular rod 7 is fixedly connected with the side plate 5 of the first buckle 3, and the inner circular rod 8 is fixedly connected with the elastic support 2. In a specific embodiment, outer circular rod 7 adopts Ф48*2.5mm, 50cm long circular steel pipe, inner circular rod 8 adopts Ф42*2.5mm, 50cm long circular steel pipe, the hole diameter of reserved hole 9 is 20mm, and the distance between reserved holes 9 is 10cm. Bolt 10 adopts M20 high-strength bolt.

[0023] The outer end of the inner circular rod 8 of the telescopic rod 1 is fixedly connected with the connecting plate 11, and the other side of the connecting plate 11 is fixedly connected with the elastic support 2. The telescopic rod 1 and the elastic support 2 are stably connected through the connecting plate 11.

[0024] The elastic support 2 is made of a plurality of spring steel wires in a spiral shape, and the steel wires of the elastic support 2 are flexible, not easy to rust, and better in durability. Specifically, the diameter of the elastic support 2 is 2 cm, and the length is 65 cm. Since the freshly poured asphalt concrete will heat up in the early stage, the elastic support 2 as the flexible end of the supporting rod is used to cooperate with the fine adjustment length and support the formwork; and as the temperature decreases, the asphalt concrete will shrink, at which time the elastic support 2 will restore to the original length, thereby ensuring the pouring width.

[0025] With the above ideal embodiments of the present application as the inspiration, through the above description, relevant personnel can certainly make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A telescopic formwork support pole, characterized in that, The utility model relates to a telescopic rod and elastic support, the telescopic rod and elastic support are provided with first buckle and second buckle respectively at the opposite ends, the first buckle and second buckle all include the clamping plate and the side plate of setting at the both sides of clamping plate, and the clamping plate is surrounded with two side plates and forms the clamping groove of opening downward.

2. A telescopic formwork support pole according to claim 1, characterised in that, The telescopic rod includes an outer circular rod and an inner circular rod, a plurality of reserved holes are formed on the outer circular rod and the inner circular rod at equal intervals along the length direction, and the corresponding reserved holes on the outer circular rod and the inner circular rod are fixedly connected by bolts and nuts.

3. A telescopic formwork support pole according to claim 2, wherein, The outer circular rod is fixedly connected with the side plate of the first buckle, and the inner circular rod is fixedly connected with the elastic support.

4. A telescopic formwork support pole according to claim 3, wherein, The outer end of the inner circular rod of the telescopic rod is fixedly connected with a connecting plate, and the other side of the connecting plate is fixedly connected with the elastic support.

5. A telescoping formwork support pole according to claim 1, wherein, The elastic support is made of a plurality of spring steel wires in a spiral shape.

6. A telescoping formwork support pole according to claim 2, wherein, The outer circular rod is a circular steel pipe with a diameter of 48*2.5 mm and a length of 50 cm, the inner circular rod is a circular steel pipe with a diameter of 42*2.5 mm and a length of 50 cm, the diameter of the reserved hole is 20 mm, and the distance between the reserved holes is 10 cm.

7. A telescoping formwork support pole according to claim 1, wherein, The diameter of the elastic support is 2 cm, and the length is 65 cm.

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