A water supply pipeline arrangement structure for deep shaft construction

Abstract

The utility model discloses a kind of water supply pipeline arrangement structures of deep vertical shaft construction, water supply pipeline includes multiple short pipes connected by flange, first supporting mechanism is arranged with interval on water supply pipeline, first supporting mechanism includes first fixed part anchored on shaft wall, hoop assembly is arranged on short pipe, and first steel wire rope is connected between first fixed part and hoop assembly;Second supporting mechanism is provided above the flange plate of every adjacent two short pipe connecting place, and second supporting mechanism includes second fixed part anchored on shaft wall and second steel wire rope, and after second steel wire rope is ring-shaped and is wound and is tightened to the bottom of flange plate, its two ends are fixedly connected with second fixed part.The first supporting mechanism and second supporting mechanism of the present application support water supply pipeline, and the suspended load of short pipe and its flange plate connecting place is transmitted to shaft wall by steel wire rope, effectively shares the stress of pipeline and flange plate connecting place, guarantees the stability and security of water supply pipeline whole.

Description

Technical Field

[0001] This utility model relates to the field of vertical shaft pipeline construction technology, specifically to a water supply pipeline layout structure for deep vertical shaft construction. Background Technology

[0002] As the global energy structure shifts towards cleaner and lower-carbon energy sources, pumped storage power stations, as important energy storage facilities, are seeing continuous increases in construction scale and depth. Ultra-deep shafts are increasingly used in the connection of underground cavern groups and the layout of water conveyance systems in pumped storage power stations, becoming a key structure to ensure the overall functionality of the power station.

[0003] During the construction of deep shafts, the pipeline systems for water supply, drainage, power supply, and ventilation constitute the lifeline of the entire project. Their reliability, safety, and durability directly affect the success or failure of the project and the safety of personnel. Pipelines within the shaft are typically laid vertically, fixed along the shaft wall from top to bottom. In deep shafts exceeding 100 meters in depth, the immense weight of these ultra-long pipes makes reliable fixing and safe operation difficult with simple steel pipe flange connections. This is especially true for water supply pipelines, which must withstand not only their own weight but also the enormous hydrostatic pressure generated by the elevation difference. Each time water is circulated through the extended steel pipe, the high water head causes rapid water flow and significant impact, easily leading to loosening, deformation, and other instability at pipe connections. The impact can also damage water pipe connections at the bottom of the shaft, causing pipe detachment accidents and posing a serious safety threat to equipment and personnel within the shaft. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a water supply pipeline layout structure for deep vertical shaft construction.

[0005] A water supply pipeline layout structure for deep vertical shaft construction, the water supply pipeline includes multiple short pipes connected by flanges, and a first support mechanism is arranged at intervals on the water supply pipeline. The first support mechanism includes a first fixing member anchored to the shaft wall, a clamp assembly clamped to the short pipe, and a first steel wire rope connecting the first fixing member and the clamp assembly. A second support mechanism is provided above the flange at the connection of each two adjacent short pipes. The second support mechanism includes a second fixing member anchored to the shaft wall and a second steel wire rope. The second steel wire rope is looped and tightened at the bottom of the flange, and its two ends are fixedly connected to the second fixing member.

[0006] Furthermore, the clamp assembly includes two semi-circular first clamp body and second clamp body. The first clamp body has a first ear plate on both sides, and the second clamp body has a second ear plate on both sides. The first ear plate and the second ear plate are detachably connected by fasteners. The length of the first ear plate is greater than the length of the second ear plate and an extension is formed on the first ear plate that extends relative to the end of the second ear plate. The extension is provided with a buckle for passing through the wire rope.

[0007] Furthermore, elastic pads are provided on the inner surfaces of the first and second hoops.

[0008] Furthermore, the second fixing component includes two anchor rods anchored in the well wall, with a bracket between the anchor rods. The bracket has two mounting holes for connecting the second wire rope, and the end of the wire rope passes through the mounting holes and is clamped and fixed by multiple rope buckles.

[0009] Furthermore, the water supply pipeline also includes buffer pipes spaced apart between the short pipes, with the buffer pipes connected between two adjacent short pipes via flanges.

[0010] Furthermore, the buffer pipe includes a first bend, a second bend, and a third straight section connected between the first bend and the second bend. The first bend and the second bend are S-shaped bends in the horizontal direction. The two ends of the first bend are connected to the lower end of the previous short pipe section and the upper end flange of the third straight section, respectively. The two ends of the second bend are connected to the lower end of the third straight section and the upper end flange of the next short pipe section, respectively.

[0011] The beneficial effects of this utility model are: This application arranges a first support mechanism at intervals on the short pipes and a second support mechanism at the flange of adjacent short pipes. The water supply pipeline is supported by the first and second support mechanisms, and the suspended load of the short pipes and the connection of each short pipe section is transferred to the well wall through steel wire ropes. This effectively distributes the stress at the pipe and flange connection, ensuring the overall stability and safety of the water supply pipeline. In addition, the second support mechanism serves as a second emergency protection measure. Under emergency conditions, when the pipe connection loses stability, the second support mechanism can hold the water pipe to a certain extent, preventing it from becoming unstable and falling, and avoiding serious safety accidents.

[0012] Furthermore, traditional construction methods typically employ U-shaped pipe clamps for pipeline reinforcement. However, as rigid connections, U-shaped clamps require high installation precision. In harsh on-site environments, precise anchor placement is difficult. Therefore, traditional methods consume significant manpower and resources, impacting the construction schedule. In contrast, the first and second support mechanisms in this application utilize flexible steel wire rope connections, allowing for on-site length adjustments based on deviations. This steel wire rope connection offers higher installation efficiency and feasibility.

[0013] This application, by installing a buffer pipe in the water supply pipeline, forces the water flow direction to change multiple times. At the same time, the water body remaining in the S-shaped bend offsets part of the water flow impact force, which can effectively reduce the water flow speed, reduce the continuous impact of water flow on the pipeline and pipeline connection, and reduce the pressure on the pipeline and pipeline connection. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the water supply pipeline layout.

[0015] Figure 2 This is a schematic diagram showing part of the water supply pipeline fixed to the well wall.

[0016] Figure 3 This is a structural schematic diagram of the clamp assembly.

[0017] Figure 4 This is a schematic diagram of a clamp assembly in one embodiment.

[0018] Figure 5 This is a top view of the second support mechanism.

[0019] Figure 6 This is a schematic diagram of the second supporting mechanism.

[0020] Figure 7 This is a schematic diagram of the buffer tube structure.

[0021] In the picture: 1. Water supply pipeline; 11. Short pipe; 12. Buffer pipe; 121. First bend; 122. Second bend; 123. Third straight section; 13. Flange; 2. First support mechanism; 21. Clamp assembly; 211. First clamp body; 212. Second clamp body; 213. First ear plate; 214. Second ear plate; 215. Extension; 216. Fastener; 217. Buckle; 218. Elastic pad; 22. First fixing component; 23. First wire rope; 3. Second support mechanism; 31. Second fixing component; 32. Bracket; 33. Second wire rope; 4. Valve; 5. Well wall. Detailed Implementation

[0022] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0023] 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, and 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, and therefore should not be construed as a limitation on the utility model.

[0024] 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 the internal connection of 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.

[0025] A water supply pipeline layout structure for deep vertical shaft construction, such as Figures 1-7 As shown, the water supply pipeline 1 includes multiple short pipes 11 connected by flanges. First support mechanisms 2 are arranged at intervals on the water supply pipeline 1. The first support mechanisms 2 are used to assist in supporting the main body of the water supply pipeline 1. The first support mechanism 2 includes a first fixing member 22 anchored to the well wall 5, a clamp assembly 21 clamped to the short pipe 11, and a first steel wire rope 23 connecting the first fixing member 22 and the clamp assembly 21. A second support mechanism 3 is provided above the flange 13 at the connection of each two adjacent short pipes 11. The second support mechanism 3 is used to assist in supporting the pipe connection. The second support mechanism 3 includes a second fixing member 31 anchored to the well wall 5 and a second steel wire rope 33. The second steel wire rope 33 is wound in a ring and tightened at the bottom of the flange 13, and its two ends are fixedly connected to the second fixing member 31.

[0026] The clamp assembly 21 includes two semi-circular first clamp bodies 211 and second clamp bodies 212. First ear plates 213 are provided on both sides of the first clamp body 211, and second ear plates 214 are provided on both sides of the second clamp body 212. The first ear plates 213 and second ear plates 214 are detachably connected by fasteners 216. The length of the first ear plate 213 is greater than the length of the second ear plate 214, and an extension 215 is formed on the first ear plate 213 extending relative to the end of the second ear plate 214. A buckle 217 for passing a wire rope is provided on the extension 215. The end of the first wire rope 23 passes through the buckle 217 and is clamped and fixed by bolts. The fasteners 216 include fastening bolts, washers, and nuts. The buckles 217 are either wire rope clips or U-shaped buckles. The first wire rope 23 is a φ32 wire rope.

[0027] Preferred, such as Figure 4 As shown, the inner surfaces of the first hoop 211 and the second hoop 212 are also provided with elastic pads 218 to protect the outer wall of the pipe.

[0028] The first fixing component 22 can be arranged by means of U-shaped screws, reinforcing bars, and fixing rings pre-embedded in the well wall 5. The spacing of the first supporting mechanism 2 is 90-120m, and the arrangement is based on the overall length of the water supply pipeline 1 and the actual situation.

[0029] The second fixing component 31 includes two anchor rods anchored within the well wall 5. A bracket 32 ​​is provided between the anchor rods. The bracket 32 ​​has two mounting holes for connecting the second wire rope 33. The end of the second wire rope 33 passes through the mounting holes and is clamped and fixed by multiple rope buckles. The second wire rope 33 is wound in a loop multiple times and then tightened onto the pipe at the bottom of the flange 13. By fixing its two ends to the bracket 32, the stress at the pipe connection is effectively distributed. Furthermore, in the event of an unexpected instability at a section of the short pipe 11, the second support mechanism 3 serves as an emergency protection mechanism to prevent the pipe from becoming unstable and falling, thus avoiding uncontrollable safety accidents. The spacing of the second support mechanism 3 is set according to the spacing of the short pipes 11.

[0030] The water supply pipeline 1 also includes buffer pipes 12 spaced apart between short pipes 11. The buffer pipes 12 are connected between two adjacent short pipes 11 via flanges. The spacing of the buffer pipes 12 is arranged according to actual needs. Preferably, one buffer pipe 12 is installed every three short pipe sections 11.

[0031] like Figure 7 As shown, the buffer pipe 12 includes a first bend 121, a second bend 122, and a third straight section 123 connecting the first bend 121 and the second bend 122. The first bend 121 and the second bend 122 are S-shaped bends in the horizontal direction. Specifically, the first bend 121 and the second bend 122 are two centrally symmetrical semi-circular bends. The two ends of the first bend 121 are connected to the lower end of the previous short pipe section 11 and the upper end flange of the third straight section 123, respectively. The two ends of the second bend 122 are connected to the lower end of the third straight section 123 and the upper end flange of the next short pipe section 11, respectively. The buffer pipe 12 forms a meandering double S-shaped bend through the first bend 121 and the second bend 122, forcing the water flow direction to change multiple times. This process lengthens the water flow path, reduces the water flow velocity and impact force, and reduces the continuous impact of the water flow on the pipe and pipe connections. Furthermore, the double S-shaped bend structure ensures that a portion of water remains at its lowest point, forming a buffer pool. When the water flows rapidly downwards, it does not directly impact the pipe wall, but first interacts with the water in the buffer pool to offset some of the instantaneous impact energy, avoiding hard impact, reducing the pressure on the pipe, and further improving the overall stability of the water supply pipeline 1.

[0032] Specifically, multiple valves 4 are also arranged at intervals on the water supply pipeline 1 to shut off the water source in case of emergency.

[0033] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A water supply pipeline layout structure for deep vertical shaft construction, wherein the water supply pipeline comprises multiple short pipes connected by flanges, characterized in that, A first support mechanism is arranged at intervals on the water supply pipeline. The first support mechanism includes a first fixing member anchored to the well wall, a clamp assembly clamped to the short pipe, and a first steel wire rope connecting the first fixing member and the clamp assembly. A second support mechanism is provided above the flange at the connection of each two adjacent short pipes. The second support mechanism includes a second fixing member anchored to the well wall and a second steel wire rope. The second steel wire rope is looped and tightened at the bottom of the flange, and its two ends are fixedly connected to the second fixing member.

2. The water supply pipeline layout structure for deep vertical shaft construction according to claim 1, characterized in that, The clamp assembly includes two semi-circular first clamps and second clamps. The first clamps are provided with first ear plates on both sides, and the second clamps are provided with second ear plates on both sides. The first ear plates and the second ear plates are detachably connected by fasteners. The length of the first ear plate is greater than the length of the second ear plate and an extension is formed on the first ear plate that extends relative to the end of the second ear plate. The extension is provided with a buckle for passing through the wire rope.

3. The water supply pipeline layout structure for deep vertical shaft construction according to claim 2, characterized in that, Elastic pads are also provided on the inner surfaces of the first and second hoops.

4. The water supply pipeline layout structure for deep vertical shaft construction according to claim 1, characterized in that, The second fixing component includes two anchor rods anchored in the well wall, with a bracket between the anchor rods. The bracket has two mounting holes for connecting the second wire rope. The end of the second wire rope passes through the mounting holes and is clamped and fixed by multiple rope buckles.

5. The water supply pipeline layout structure for deep vertical shaft construction according to claim 1, characterized in that, The water supply pipeline also includes buffer pipes spaced apart between the short pipes, which are connected between two adjacent short pipes via flanges.

6. The water supply pipeline layout structure for deep vertical shaft construction according to claim 5, characterized in that, The buffer pipe includes a first bend, a second bend, and a third straight section connected between the first bend and the second bend. The first bend and the second bend are S-shaped bends in the horizontal direction. The two ends of the first bend are connected to the lower end of the previous short pipe section and the upper end flange of the third straight section, respectively. The two ends of the second bend are connected to the lower end of the third straight section and the upper end flange of the next short pipe section, respectively.

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