Built-in lifting lug of steel pipe pile
The built-in lifting lug in steel pipe piles addresses the inefficiency and safety issues of external lugs by providing internal components that enhance stability and speed up construction, reducing the need for high-altitude cuts and improving offshore construction efficiency.
Patent Information
- Application Number
- CN202421134422.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-22
AI Technical Summary
Existing steel pipe piles require external lifting ears that need to be cut during offshore construction, prolonging construction time and increasing the risk of high-altitude operations.
A steel pipe pile with a built-in lifting lug comprising a bottom plate, hanging plate, and optional ribs and reinforcement plates, which are fixedly mounted inside the pipe to enhance stability and facilitate efficient construction.
The built-in lifting lug reduces the need for removing external lugs, speeds up construction, enhances stability, and reduces the risk of high-altitude operations, while allowing for efficient docking and insertion of steel pipe piles.
Smart Images
Figure CN222273849U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of steel pipe pile lifting ears, in particular to a steel pipe pile built-in lifting ear. Background Art
[0002] Steel pipe piles are a structural element used in foundation engineering. Usually, it is necessary to weld lifting ears to the outer wall of the steel pipe piles, so that the steel pipe piles can be lifted straight by cranes and lifting belts, and inserted directly into the geology to reinforce the soil, support bridges, etc. The lifting ears of the steel pipe piles currently used are external hanging type. During the offshore construction process, the external hanging lifting ears need to be cut during the steel pipe pile sinking process, which prolongs the offshore construction time. Therefore, there is still room for improvement. Utility Model Content
[0003] In order to reduce the influence of the lifting lug on the construction efficiency of steel pipe piles, the present application provides a built-in lifting lug for steel pipe piles.
[0004] The application provides a steel pipe pile with an internal lifting lug that adopts the following technical solution:
[0005] A steel pipe pile with a built-in lifting ear comprises a bottom plate and a hanging plate arranged in the steel pipe pile, wherein the bottom is arranged on the inner wall of the steel pipe pile, the hanging plate is arranged on the bottom plate, the hanging plate is located in the steel pipe pile, the hanging plate is provided with a hanging hole, and the hanging hole of the hanging plate is used to connect the lifting strap of the crane.
[0006] By adopting the above technical solution, the hanging plate is set inside the steel pipe pile, avoiding the need to remove the original external lifting lugs during the steel pipe pile sinking process, reducing the impact of the lifting lugs on the steel pipe pile construction efficiency, while reducing the risk of high-altitude operations at sea and speeding up the construction progress; and a single lifting lug is more conducive to the docking and insertion of steel pipe piles. At the same time, the connection between the hanging plate and the steel pipe pile is reinforced by the bottom plate, which improves the stability of the steel pipe pile during the hoisting process.
[0007] Preferably, the bottom plate is further provided with ribs, the ribs and the hanger plates are fixedly arranged, and the ribs and the hanger plates are both arranged on the inner wall of the steel pipe pile.
[0008] By adopting the above technical solution, the connection between the bottom plate and the hanging plate is reinforced by ribs, so as to further improve the stability of the steel pipe pile during the hoisting process.
[0009] Preferably, the hanger plate is further provided with a plurality of reinforcement plates, the reinforcement plates are arranged at the connection between the hanger plate and the rib plate, and the reinforcement plates are fixedly arranged on the hanger plate and the rib plate at the same time.
[0010] By adopting the above technical solution, the connection between the rib plate and the hanging plate is reinforced by the reinforcement plate, so as to increase the upper limit of the load-bearing capacity of the built-in lifting lug of the steel pipe pile, thereby further improving the stability of the steel pipe pile during the lifting process.
[0011] Preferably, the hanging plate is further provided with a reinforcing ring plate, and the reinforcing ring plate is arranged at both ends of the hanging hole, and the reinforcing ring plate is fixedly arranged on the hanging plate, and the inner diameter of the reinforcing ring plate is consistent with the diameter of the hanging hole.
[0012] By adopting the above technical solution, the side wall of the lifting hole is reinforced by the reinforcing ring plate, so as to avoid the heavy weight of the steel pipe pile itself and the collapse of the hole wall of the lifting hole during the lifting process.
[0013] Preferably, the bottom plate, the rib plate and the hanging plate can be detachably mounted on the steel pipe piles.
[0014] By adopting the above technical solution, it is easy to recycle the bottom plate, rib plate and hanging plate, reduce material waste and improve construction efficiency.
[0015] Preferably, a plurality of groups of clamping plates are fixedly provided on the inner wall of the steel pipe pile, and the clamping plates of the same group clamp one end of the rib plate or the hanger plate. When the base plate, the rib plate and the hanger plate are installed on the inner wall of the steel pipe pile, the ends of the rib plate and the hanger plate are respectively clamped by a group of clamping plates, and the rib plate and the hanger plate are fixedly mounted on the clamping plates by bolts and nuts.
[0016] By adopting the above technical solution, the hanging plate and the rib plate are fixed by the clamping plate, so as to improve the stability of the built-in lifting ears of the steel pipe pile installed on the inner wall of the steel pipe pile, and facilitate the disassembly and assembly of the hanging plate and the rib plate.
[0017] Preferably, the bottom plate is provided with a plurality of movable notches, and the movable notches are used for allowing the clamping plates of the same group to pass through the bottom plate.
[0018] By adopting the above technical solution, the movable notch is used to allow the clamping plate to pass through the bottom plate, so that after the steel pipe pile is sunk, it is convenient to recover the bottom plate from the top of the steel pipe pile.
[0019] Preferably, a fixing ring is also fixedly provided on the inner wall of the steel pipe pile, and a plurality of fixing screws are fixedly provided on the fixing ring. The base plate is provided with a plurality of fixing holes. When the base plate, the rib plate and the hanging plate are installed on the inner wall of the steel pipe pile, the plurality of fixing screws are respectively passed through the plurality of fixing holes.
[0020] By adopting the above technical solution, the bottom is fixed by using a fixing ring and a fixing screw, so as to further improve the stability of the built-in lifting lug of the steel pipe pile installed on the inner wall of the steel pipe pile.
[0021] In summary, the present application includes at least one of the following beneficial technical effects:
[0022] 1. By setting the bottom plate, hanging plate and hanging holes, it is avoided that the original external lifting lugs need to be removed during the steel pipe pile sinking process, reducing the impact of the lifting lugs on the steel pipe pile construction efficiency, while reducing the risk of high-altitude operations at sea and speeding up the construction progress; and a single lifting lug is more conducive to the docking and pile insertion of steel pipe piles; at the same time, the connection between the hanging plate and the steel pipe pile is reinforced by the bottom plate, which improves the stability of the steel pipe pile during the hoisting process;
[0023] 2. The clamping plate, rib plate and hanging plate are fixedly installed on the clamping plate by bolts and nuts, which is convenient for recycling the bottom plate, rib plate and hanging plate, reducing material waste and improving construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a structural schematic diagram of a steel pipe pile with a built-in lifting lug installed in a steel pipe pile in an embodiment of the present application.
[0025] Figure 2 It is a schematic diagram of the overall structure of a steel pipe pile with a built-in lifting ear in an embodiment of the present application.
[0026] Figure 3 It is a schematic diagram of the overall structure of the steel pipe pile in the embodiment of the present application.
[0027] Description of reference numerals:
[0028] 11. Steel pipe pile; 12. Clamping plate; 13. Fixing ring; 131. Fixing screw; 21. Bottom plate; 211. Fixing hole; 212. Movable notch; 22. Hanging plate; 221. Hanging hole; 23. Rib plate; 24. Reinforcement ring plate; 25. Reinforcement plate. DETAILED DESCRIPTION
[0029] The following is combined with Figure 1-3 This application is described in further detail.
[0030] The present application embodiment discloses a steel pipe pile with a built-in lifting lug. Figure 1-Figure 3The built-in lifting lug of the steel pipe pile includes a bottom plate 21, a hanging plate 22 and a rib plate 23 which are detachably mounted on the inner wall of the steel pipe pile 11. Several groups of clamping plates 12 for clamping the ends of the hanging plates 22 and the rib plates 23 are fixed on the inner wall of the steel pipe pile 11. In this embodiment, there are six groups of clamping plates 12, and the six groups of clamping plates 12 are distributed along the circumference of the steel pipe pile 11. The clamping plates 12 are located at one end of the steel pipe pile 11, and each group of clamping plates 12 has two pieces. The clamping plates 12 are in the shape of rectangular plates. The length direction of the clamping plates 12 is consistent with the axial direction of the steel pipe pile 11. One side of the clamping plates 12 along the width direction is fixed to the inner wall of the steel pipe pile 11, and the two clamping plates 12 of the same group are opposite. A fixing ring 13 is also fixed to the inner wall of the steel pipe pile 11, and one end of the clamping plates 12 along the length direction is fixed to the fixing ring 13, and the clamping plates 12 are located between the fixing ring 13 and the end of the steel pipe pile 11. A plurality of fixing screws 131 are fixed to one side of the fixing ring 13 close to the clamping plate 12 . In this embodiment, the fixing screws 131 are located on the side of the fixing ring 13 close to the clamping plate 12 . There are eight fixing screws 131 , which are evenly distributed along the circumference of the fixing ring 13 .
[0031] Reference Figure 2 as well as Figure 3 The bottom plate 21 is in the shape of a circular plate, and is provided with a plurality of fixing holes 211. In this embodiment, there are eight fixing holes 211, and the eight fixing holes 211 are evenly distributed along the circumference of the bottom plate 21. The eight fixing holes 211 are adapted to the eight fixing screws 131 on the fixing ring 13, so that the eight fixing screws 131 can be respectively inserted into the eight fixing holes 211, and the bottom plate 21 can be fixed to the fixing ring 13 by screwing nuts into the fixing screws 131. The bottom plate 21 is also provided with a plurality of movable notches 212 for the same group of clamping plates 12 to pass through the bottom plate 21. In this embodiment, there are six movable notches 212, and the six movable notches 212 are adapted to the six groups of clamping plates 12.
[0032] Reference Figure 1 as well as Figure 2 The hanging plate 22 is vertically fixed on the bottom plate 21. A hanging hole 221 is provided on the side of the hanging plate 22 away from the bottom plate 21. The hanging hole 221 is circular, and the center of the hanging hole 221 is located on the axis of the bottom plate 21. The hanging plate 22 is also fixedly connected with two reinforcing ring plates 24. The two reinforcing ring plates 24 are respectively fixed on both sides of the hanging plate 22 in the thickness direction, so that the two reinforcing ring plates 24 are respectively located at both ends of the hanging hole 221, so that the reinforcing ring plates 24 reinforce the hanging plate 22; the inner diameter of the reinforcing ring plate 24 is consistent with the diameter of the hanging hole 221, and the inner circles of the two reinforcing ring plates 24 are directly opposite to the hanging hole 221, so that the lifting belt of the crane can be easily inserted into the hanging hole 221.
[0033] Reference Figure 1 as well as Figure 2The bottom plate 21 is also fixedly connected with ribs 23. In the present embodiment, there are four ribs 23, two ribs 23 are respectively arranged on both sides of the hanging plate 22 along the thickness direction, and two ribs 23 are respectively arranged on both ends of the hanging plate 22 along the length direction. The ribs 23 are perpendicular to the bottom plate 21, and the ribs 23 are perpendicular to the hanging plate 22. The ribs 23 are fixedly connected with the bottom plate 21 and the hanging plate 22 at the same time, so that the ribs 23, the bottom plate 21 and the hanging plate 22 are perpendicular to each other.
[0034] Reference Figure 1 as well as Figure 2 The hanger plate 22 is also fixedly connected with a plurality of reinforcing plates 25, which are in the shape of a triangular plate, and a plurality of reinforcing plates 25 are fixed at the connection between the hanger plate 22 and the rib plate 23, and two right-angled sides of the reinforcing plates 25 are respectively fixed on the rib plate 23 and the hanger plate 22, so that the plurality of reinforcing plates 25 reinforce the connection between the hanger plate 22 and the rib plate 23.
[0035] Reference Figure 1-Figure 3 The thickness of the ribs 23 and the hanging plates 22 are consistent with the spacing of the same group of clamping plates 12, and the ends of the four ribs 23 away from the hanging plates 22 and the two ends of the hanging plates 22 can be simultaneously inserted into the six groups of clamping plates 12, and the ribs 23 and the hanging plates 22 are fixed to the clamping plates 12 by bolts and nuts, so that the bottom plate 21, the ribs 23 and the hanging plates 22 can be detachably installed on the steel pipe piles 11.
[0036] The implementation principle of the built-in lifting lug of a steel pipe pile in the embodiment of the present application is:
[0037] When it is necessary to hoist the steel pipe pile 11, the bottom plate 21, the ribs 23 and the hanging plate 22 are installed on the steel pipe pile 11, and the two ends of the bottom plate 21 and the ends of the four ribs 23 away from the hanging plate 22 are respectively inserted into the six groups of clamping plates 12, and the six movable notches 212 are respectively inserted into the six groups of clamping plates 12, and the bottom plate 21 is pushed into the steel pipe pile 11 until the eight fixing holes 211 are respectively inserted into the eight fixing bolts, and the bottom plate 21 abuts against the fixing ring 13, and then the nut is screwed into the fixing screw 131 until it is tightened, and then the ribs 23 and the hanging plate 22 are fixed to the clamping plate 12 using nuts and nuts.
[0038] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A steel pipe pile with built-in lifting lugs, characterized in that: The invention comprises a bottom plate (21) and a hanging plate (22) arranged in a steel pipe pile (11); the bottom plate (21) is arranged on the inner wall of the steel pipe pile (11); the hanging plate (22) is arranged on the bottom plate (21); the hanging plate (22) is located in the steel pipe pile (11); a hanging hole (221) is provided on the hanging plate (22); and the hanging hole (221) of the hanging plate (22) is used for connecting a hanging belt of a crane.
2. The steel pipe pile built-in lifting lug according to claim 1, characterized in that: The bottom plate (21) is also provided with a rib plate (23), the rib plate (23) and the hanging plate (22) are fixedly arranged, and the rib plate (23) and the hanging plate (22) are both arranged on the inner wall of the steel pipe pile (11).
3. The steel pipe pile built-in lifting lug according to claim 2, characterized in that: The hanging plate (22) is also provided with a plurality of reinforcing plates (25), wherein the reinforcing plates (25) are arranged at the connection between the hanging plate (22) and the rib plate (23), and the reinforcing plates (25) are fixedly arranged on the hanging plate (22) and the rib plate (23) at the same time.
4. The steel pipe pile built-in lifting lug according to claim 3, characterized in that: The hanging plate (22) is further provided with a reinforcing ring plate (24), the reinforcing ring plate (24) being arranged at both ends of the hanging hole (221), and the reinforcing ring plate (24) being fixedly arranged on the hanging plate (22), and the inner diameter of the reinforcing ring plate (24) is consistent with the diameter of the hanging hole (221).
5. The steel pipe pile built-in lifting lug according to claim 2, characterized in that: The bottom plate (21), the rib plate (23) and the hanging plate (22) can be detachably mounted on the steel pipe pile (11).
6. The steel pipe pile built-in lifting lug according to claim 5, characterized in that: A plurality of groups of clamping plates (12) are fixedly arranged on the inner wall of the steel pipe pile (11), and the clamping plates (12) of the same group clamp one end of the rib plate (23) or the hanging plate (22). When the bottom plate (21), the rib plate (23) and the hanging plate (22) are installed on the inner wall of the steel pipe pile (11), the ends of the rib plate (23) and the hanging plate (22) are clamped by a group of clamping plates (12) respectively, and the rib plate (23) and the hanging plate (22) are fixedly installed on the clamping plates (12) by bolts and nuts.
7. The steel pipe pile built-in lifting lug according to claim 6, characterized in that: The bottom plate (21) is provided with a plurality of movable notches (212), and the movable notches (212) are used to allow the clamping plates (12) of the same group to pass through the bottom plate (21).
8. The steel pipe pile built-in lifting lug according to claim 7, characterized in that: A fixing ring (13) is also fixedly provided on the inner wall of the steel pipe pile (11), and a plurality of fixing screws (131) are fixedly provided on the fixing ring (13). The bottom plate (21) is provided with a plurality of fixing holes (211). When the bottom plate (21), the rib plate (23) and the hanging plate (22) are installed on the inner wall of the steel pipe pile (11), the plurality of fixing screws (131) are respectively inserted into the plurality of fixing holes (211).