Positioning and fixing device for drainage hole of road concrete median guardrail

Abstract

The utility model belongs to the field area road engineering technical field, concretely relates to a kind of road concrete isolation belt guardrail drainage hole positioning fixing device, comprising: prefabricated concrete form, its one side plate top is equipped with vertical upward fixed bolt;Positioning device, including steel pipe and connecting square steel;Steel pipe bottom and the bottom of prefabricated concrete form contact, its top exceeds the side plate height of prefabricated concrete form;Connecting square steel one end is provided with avoidance hole and is penetrated by fixed bolt, other end is connected with the top of steel pipe.The utility model can solve the problem that drainage hole is easily blocked and cannot be accurately positioned during concrete pouring process, and has good market application prospect.

Description

Technical Field

[0001] This utility model belongs to the field of field road engineering technology, specifically relating to a positioning and fixing device for drainage holes in road concrete isolation strip guardrails. Background Technology

[0002] Road safety barriers are facilities used to separate spaces, ensure safety, and guide pedestrian or vehicular traffic, and are widely used in various scenarios. Traditional concrete safety barriers use pre-embedded PVC pipes for drainage holes. However, during concrete pouring, these PVC pipes are prone to damage, misalignment, and grout leakage, leading to inaccurate positioning and blockage of the drainage holes, rendering them ineffective. Therefore, this application provides a positioning and fixing device for drainage holes in road concrete safety barriers to solve the above problems.

[0003] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0004] The purpose of this utility model is to provide a positioning and fixing device for the drainage holes of road concrete median barriers, so as to solve the problems of easy blockage and inaccurate positioning of drainage holes during concrete pouring.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A device for positioning and fixing the drainage holes of a road concrete median barrier includes: Precast concrete formwork, with vertically upward fixing bolts on the top of one side panel; The positioning device includes a steel pipe and a connecting square steel; the bottom of the steel pipe contacts the bottom of the precast concrete formwork, and its top extends beyond the height of the side plate of the precast concrete formwork; one end of the connecting square steel has an avoidance hole through which the fixing bolt passes, and the other end is connected to the top of the steel pipe.

[0006] Preferably, the connection between the steel pipe and the connecting square steel is detachable.

[0007] Preferably, a nut that mates with the fixing bolt is provided above the clearance hole.

[0008] Preferably, the steel pipe is inclined.

[0009] Preferably, the connecting square steel is inclined, with the end that connects to the steel pipe being higher than the end where the clearance hole is opened.

[0010] Compared with the prior art, the present invention has the following beneficial effects: (1) The positioning and fixing device for drainage holes of road concrete isolation belt guardrail of this utility model, by setting a fixed position composed of steel pipe and connecting square steel, is conducive to improving the positioning and fixing of drainage holes of precast concrete isolation belt guardrail and ensuring the accuracy requirements of drainage holes.

[0011] (2) The drainage hole positioning and fixing device of the road concrete isolation belt guardrail of this utility model uses steel pipe to leave the drainage hole position during the concrete pouring process. Compared with the traditional PVC pipe structure, it has higher strength, is not easy to break or tilt, and avoids the situation of grout leakage. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the present invention; Explanation of key figure labels: 1. Steel pipe; 2. Connecting square steel; 3. Fixing bolts; 4. Nuts; 5. Precast concrete formwork; 6. Concrete. Detailed Implementation

[0013] The technical solution of this utility model patent will be clearly and completely described below. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0014] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model.

[0015] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0016] See attached document Figure 1 A positioning and fixing device for drainage holes in road concrete median barriers mainly involves two parts: a precast concrete formwork 5 and a positioning device. Among them, The top of one side panel of the precast concrete formwork 5 is provided with vertically upward fixing bolts 3; The positioning device consists of a steel pipe 1 and a connecting square steel 2. The bottom of the steel pipe 1 contacts the bottom of the precast concrete formwork 5, and its top extends beyond the height of the side plate of the precast concrete formwork 5. One end of the connecting square steel 2 has a clearance hole through which a fixing bolt 3 passes, and the other end is connected to the top of the steel pipe 1. A nut 4 that mates with the fixing bolt 3 is also provided above the clearance hole, which can fix one end of the connecting square steel 2 to the side plate of the precast concrete formwork 5.

[0017] In this embodiment, the steel pipe 1 is inclined, and the connection between the steel pipe 1 and the connecting square steel 2 is detachable. Specifically, bolts, cable ties, ropes, or other tools can be used to fix the connection between the steel pipe 1 and the connecting square steel 2. When it is necessary to remove the steel pipe 1 from the concrete 6, the connection between the steel pipe 1 and the connecting square steel 2 must first be loosened, and then the steel pipe 1 should be slowly removed from the concrete 6 along the inclined direction to avoid damaging the formation of the drainage hole.

[0018] On the other hand, the connecting square steel 2 is set at an angle, with the end connected to the steel pipe 1 higher than the end where the clearance hole is opened. During the pouring and forming process of the concrete isolation barrier, the connecting square steel 2 never comes into contact with the concrete 6, which not only facilitates disassembly but also avoids damage to the overall structure of the concrete isolation barrier.

[0019] Before pouring the precast concrete isolation zone guardrail, the precast concrete formwork 5 must be cleaned first. The steel bars are tied on the external frame. After the finished product is qualified, it is hoisted into the formwork. Then, the inner and outer points of the drainage hole are measured, and the vertical position of the pre-embedded steel pipe 1 is set. The connecting square steel 2 is connected and fixed to the top of one side plate of the precast concrete formwork 5 by fixing bolts 3 and nuts 4.

[0020] After pouring concrete 6, before the concrete 6 initially sets, the steel pipe 1 is removed, which can form a precise and effective drainage hole. The pre-set diameter of the steel pipe 1 can be matched with the designed drainage pipe diameter. It is inserted obliquely and vertically, and connected and fixed to the precast concrete formwork 5 at the top by connecting square steel 2 of No. 5.

[0021] This utility model of a road concrete median barrier drainage hole positioning and fixing device uses a precast concrete template 5 as a carrier and pre-set (embedded) steel pipe 1 and connecting square steel 2 as the main devices. It can quickly, accurately and conveniently position the drainage holes of the precast concrete median barrier and form a connection and fixing system with the precast concrete template 5. It is safe, reliable and easy to operate, and has good market application prospects.

[0022] The foregoing description of specific exemplary embodiments of the present invention is for illustrative and explanatory purposes. These descriptions are not intended to limit the present invention to the precise forms disclosed, and it will be apparent that many changes and variations can be made in accordance with the foregoing teachings. The exemplary embodiments were chosen and described in order to explain the specific principles of the present invention and its practical application, thereby enabling those skilled in the art to implement and utilize various different exemplary embodiments of the present invention, as well as various different choices and variations. The scope of the present invention is intended to be defined by the claims and their equivalents.

Claims

1. A device for positioning and fixing drainage holes in road concrete median barriers, characterized in that, include: Precast concrete formwork, with vertically upward fixing bolts on the top of one side panel; The positioning device includes a steel pipe and a connecting square steel; the bottom of the steel pipe contacts the bottom of the precast concrete formwork, and its top extends beyond the height of the side plate of the precast concrete formwork; one end of the connecting square steel has an avoidance hole through which the fixing bolt passes, and the other end is connected to the top of the steel pipe.

2. The road concrete median barrier drainage hole positioning and fixing device according to claim 1, characterized in that, The connection between the steel pipe and the connecting square steel is detachable.

3. The road concrete median barrier drainage hole positioning and fixing device according to claim 1, characterized in that, A nut that mates with the fixing bolt is provided above the clearance hole.

4. The road concrete median barrier drainage hole positioning and fixing device according to claim 1, characterized in that, The steel pipe is set at an angle.

5. The road concrete median barrier drainage hole positioning and fixing device according to claim 1, characterized in that, The connecting square steel is inclined, with the end that connects to the steel pipe being higher than the end where the clearance hole is opened.

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