Transformer substation support steel pipe facilitating concrete pouring

Abstract

The utility model relates to the technical field of transformer substation support steel pipes, in particular to a transformer substation support steel pipe facilitating concrete pouring, which comprises a support steel pipe body, and drain holes are arranged on two side walls of the support steel pipe body. A circular water baffle is arranged in the support steel pipe body, and the water baffle is arranged to be lower than the drainage holes. Three fixing steel bars distributed in a circumferential mode are arranged below the water baffle, the upper end of each fixing steel bar is welded to the bottom of the water baffle, the lower end of each fixing steel bar is welded to the inner bottom wall of the support steel pipe body, a grouting hole is formed in the position, located on the ground, of the center of the support steel pipe body, and a grouting hole sealing plate is arranged above the grouting hole. Accumulated water on the upper portion of the support steel pipe can be effectively drained out of the drainage holes. The grouting hole is formed in the ground at the lower part of the water baffle, so that the grouting height can be more conveniently controlled through secondary grouting of fine aggregate concrete, the drainage hole cannot be blocked, and the construction is more convenient and quicker.

Description

Technical Field

[0001] This utility model relates to the field of substation support steel pipe technology, specifically to a substation support steel pipe that is easy to pour concrete into. Background Technology

[0002] To meet the growing demand for wind, solar, and thermal energy development, more substations are needed. Supporting steel pipes play a crucial role in substations, primarily supporting and securing electrical equipment to ensure its stable operation and safety. With the increasing frequency of extreme weather events and the growing height and weight of electrical equipment, the requirements for the stability of supporting steel pipes are becoming increasingly stringent.

[0003] Typically, substation support steel pipes cannot be grouted, resulting in weak overall structural integrity and potential damage to equipment on the supports during earthquakes. For some substation steel supports that can be grouted, grout is poured from the bottom of the support before hoisting. This process is complex, makes it difficult to control the grouting height, and easily clogs drainage holes, rendering them ineffective for drainage. Utility Model Content

[0004] The purpose of this invention is to provide a substation support steel pipe that is easy to pour concrete into, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A substation support steel pipe for easy concrete pouring includes a support steel pipe body 1, with drainage holes 3 on both side walls of the support steel pipe body 1; a circular water baffle 2 is installed inside the support steel pipe body 1, the height of the water baffle 2 being lower than the drainage holes 3; three circumferentially distributed fixing steel bars 5 are installed below the water baffle 2, each fixing steel bar 5 being inverted L-shaped, the upper end of the fixing steel bar 5 being welded to the bottom of the water baffle 2, and the lower end of the fixing steel bar 5 being welded to the inner bottom wall of the support steel pipe body 1, thus stabilizing the water baffle 2 inside the support steel pipe body 1; a grouting hole 4 is opened at the center of the support steel pipe body 1 at the ground position, and a grouting hole sealing plate 6 is installed above the grouting hole 4.

[0007] Furthermore, the thickness of the support steel pipe body 1 is 10mm and the diameter is 300mm.

[0008] Furthermore, the lower part of the support steel pipe body 1 is connected to the cup-mouth foundation, and the upper part is connected to the electrical equipment by bolts.

[0009] Furthermore, the drainage hole 3 is located 150mm above the ground.

[0010] Furthermore, the drainage hole 3 is a circular hole with a diameter of 10 mm.

[0011] Furthermore, the thickness of the water baffle 2 is 10mm, and the diameter is 270-280mm.

[0012] Furthermore, the fixing steel bar 5 is a round steel bar with a diameter of 10 to 20 mm.

[0013] Furthermore, the diameter of the grouting hole 4 is 100-110 mm.

[0014] Furthermore, the surfaces of the support steel pipe body 1, the water baffle 2, and the grouting hole sealing plate 6 are all provided with a hot-dip galvanized anti-corrosion layer.

[0015] Compared with the prior art, the support steel pipe of this utility model has the following advantages:

[0016] This invention optimizes the design of the support steel pipe by installing an inner baffle plate below the drainage hole. The baffle plate is secured by three reinforcing bars, allowing water accumulated on the upper part of the support steel pipe to drain effectively through the drainage hole. A grouting hole is located below the inner baffle plate at ground level, facilitating easier control of the grouting height during secondary fine aggregate concrete pouring and preventing blockage of the drainage hole, thus making construction more convenient and faster. This effectively solves the problems of limited load-bearing capacity of traditional support steel pipes and difficulties in fine aggregate concrete pouring, demonstrating broad application prospects and promotional value. Attached Figure Description

[0017] Figure 1 This is a cross-sectional view of the bracket of this utility model;

[0018] Figure 2 This is a plan view of the present invention;

[0019] Figure 3 This is a schematic diagram of the water baffle and fixed steel reinforcement structure inside the support steel pipe of this utility model;

[0020] Among them: 1-Steel pipe body of the support, 2-Water baffle, 3-Drainage hole, 4-Grouting hole, 5-Fixing steel bar, 6-Grouting hole sealing plate, 7-Fine stone concrete. Detailed Implementation

[0021] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are for illustrative purposes only and are not intended to limit the scope of this utility model. The utility model is described more specifically in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of this utility model will become clearer from the following description and claims. It should be noted that the drawings are all in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of this utility model.

[0022] Example

[0023] like Figure 1 As shown, this utility model proposes a substation support steel pipe that facilitates concrete pouring, including a support steel pipe body 1. Drainage holes 3 are provided on both side walls of the support steel pipe body 1. A circular water baffle 2 is provided inside the support steel pipe body 1, and the height of the water baffle 2 is lower than that of the drainage holes 3. Three circumferentially distributed fixing steel bars 5 are provided below the water baffle 2. Each fixing steel bar 5 is inverted L-shaped. The upper end of the fixing steel bar 5 is welded to the bottom of the water baffle 2, and the lower end of the fixing steel bar 5 is welded to the inner bottom wall of the support steel pipe body 1, thus stabilizing the water baffle 2 inside the support steel pipe body 1. A grouting hole 4 is provided at the center of the support steel pipe body 1 at the ground position, and a grouting hole sealing plate 6 is provided above the grouting hole 4.

[0024] The support steel pipe body described in this utility model has sufficient strength and rigidity. Its specifications include a thickness of 10mm and a diameter of 300mm. The lower part is connected to the cup-shaped foundation, and the upper part is connected to electrical equipment via bolts.

[0025] The drainage holes described in this utility model are set at a height of 150mm above the ground. The drainage holes are usually Φ10 round holes and are arranged on both sides of the support steel pipe to facilitate the drainage of rainwater inside the support steel pipe.

[0026] The water baffle of this utility model is a circular steel plate with a thickness of 10mm and a diameter of 270-280mm. In this embodiment, 278mm is selected.

[0027] The fixing reinforcing bars described in this utility model consist of three round steel bars, the upper part of which is bent into an inverted L-shape and welded at 120° to the water baffle plate inside the round support steel pipe. The welded water baffle plate is placed below the drainage hole of the support steel pipe, and then the lower ends of the three fixing reinforcing bars are welded to the inner wall of the support steel pipe body to fix the water baffle plate. The size of the fixing reinforcing bars described in this utility model can be adjusted according to project requirements, and the diameter can be set within the range of 10-20mm.

[0028] The grouting hole described in this invention is located at the ground level of the support steel pipe body to facilitate the pouring of fine aggregate concrete 7. The grouting hole is typically Φ100, and its position and size have been optimized to ensure that the concrete can be evenly and fully filled into the support. The grouting hole facilitates the pouring of concrete into the support and removes air bubbles, improving the ease of pouring. Burrs around the grouting hole are removed, and uneven areas are repaired to ensure that the inside of the grouting hole is smooth and free of scratches, protecting construction workers from damage when pouring fine aggregate concrete.

[0029] The grouting hole sealing plate of this utility model is used to seal the grouting hole after the fine stone concrete 7 is poured. The grouting hole sealing plate is fully welded to the support steel pipe body.

[0030] The fine aggregate concrete poured into the support steel pipe body of this utility model is typically one grade higher than the foundation concrete, usually C35 fine aggregate concrete. The pouring of the fine aggregate concrete can be carried out using specific pouring techniques and equipment to ensure that the concrete is uniformly and tightly filled into the lower part of the support steel pipe. This allows the concrete and the lower support steel pipe to form a unified whole. By adopting a composite structure of steel pipe and concrete, material costs and construction difficulty are reduced, improving economic efficiency.

[0031] The support steel pipe body, water baffle, and grouting hole sealing plate described in this utility model all require hot-dip galvanizing for corrosion protection. The minimum hot-dip galvanizing thickness is not less than 86μm, and the bonding strength between the coating and the steel substrate requires a tensile strength of not less than 0.6kg / mm². 2 The steel pipe body of the support frame, the water baffle, and the sealing plate of the grouting hole are made of Q235B material, or higher-specification Q355C material can be used instead. The fixing steel bars of the water baffle are HPB300.

[0032] This utility model features an inner baffle plate on the support steel pipe. Reinforcing bars are welded to the inner baffle plate, and then further welded to the inner wall of the support steel pipe itself. This fixes the baffle plate below the drainage hole of the support steel pipe. Grouting holes are installed at the ground level. The support steel pipe is then erected within the foundation, and secondary grouting is used to secure it. After securing, fine aggregate concrete is poured into the support steel pipe through the grouting holes, up to the bottom of the inner circular steel sealing plate. The grouting holes are then welded and sealed with a circular steel plate. Once the fine aggregate concrete solidifies, it forms the support steel pipe concrete structure, making its overall structure more scientifically sound and stable. This effectively prevents instability of the support steel pipe under eccentric loads, ensuring the safe and stable operation of electrical equipment and thus guaranteeing the effective and safe operation of the substation.

[0033] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A substation support steel pipe for easy concrete pouring, comprising a support steel pipe body (1), characterized in that: Drainage holes (3) are provided on both sides of the support steel pipe body (1); a circular baffle plate (2) is provided inside the support steel pipe body (1), and the baffle plate (2) is set at a height lower than the drainage holes (3); three fixed steel bars (5) are provided below the baffle plate (2) in a circular arrangement, each fixed steel bar (5) is inverted L-shaped, the upper end of the fixed steel bar (5) is welded to the bottom of the baffle plate (2), and the lower end of the fixed steel bar (5) is welded to the inner bottom wall of the support steel pipe body (1), so that the baffle plate (2) is fixed inside the support steel pipe body (1); a grouting hole (4) is provided at the center of the support steel pipe body (1) at the ground position, and a grouting hole sealing plate (6) is provided above the grouting hole (4).

2. The substation support steel pipe for easy concrete pouring according to claim 1, characterized in that: The thickness of the support steel pipe body (1) is 10mm and the diameter is 300mm.

3. The substation support steel pipe for easy concrete pouring according to claim 1, characterized in that: The lower part of the support steel pipe body (1) is connected to the cup-mouth foundation, and the upper part is connected to the electrical equipment by bolts.

4. The substation support steel pipe for easy concrete pouring according to claim 1, characterized in that: The drainage hole (3) is located 150 mm above the ground.

5. A substation support steel pipe for easy concrete pouring according to claim 4, characterized in that: The drainage hole (3) is a round hole with a diameter of 10 mm.

6. A substation support steel pipe for easy concrete pouring according to claim 1, characterized in that: The thickness of the baffle plate (2) is 10 mm and the diameter is 270-280 mm.

7. A substation support steel pipe for easy concrete pouring according to claim 1, characterized in that: The fixing steel bar (5) is a round steel bar with a diameter of 10-20mm.

8. A substation support steel pipe for easy concrete pouring according to claim 1, characterized in that: The diameter of the grouting hole (4) is 100-110 mm.

9. A substation support steel pipe for easy concrete pouring according to claim 1, characterized in that: The surfaces of the support steel pipe body (1), the water baffle (2), and the grouting hole sealing plate (6) are all provided with a hot-dip galvanized anti-corrosion layer.

Images