CN-117248554-B - Anchoring equipment and construction method thereof

CN117248554BCN 117248554 BCN117248554 BCN 117248554BCN-117248554-B

Abstract

The embodiment of the application discloses an anchoring device and a construction method of the anchoring device, wherein the anchoring device comprises an anchoring foundation and a penetrating pile, the anchoring foundation is an embedded anchor and comprises an embedded component and an anchor head, the embedded component comprises at least three embedded plates which are arranged in a radial mode, and the anchor head is arranged on the embedded plates. The anchoring equipment disclosed by the scheme simplifies the structure of an anchoring foundation, reduces the cost relative to a suction anchor and a pile anchor, and simultaneously, the penetrating pile is detachably connected with the anchoring foundation, so that the penetrating pile is separated from the anchoring foundation after the anchoring foundation penetrates a preset depth below a mud surface, the penetrating pile can be pulled out of a soil body, and only the anchoring foundation is left in the soil body, thereby further reducing the cost of the anchoring equipment.

Inventors

LEI YU
FENG XUEJIAO
LI WEIDONG
LIU XIN
YAN SHU
CHEN JIANJUN
Zhou Dieming
LIU RUICHAO
HU HEWEN
GUO XIAOHUI

Assignees

中国华能集团清洁能源技术研究院有限公司
华能海上风电科学技术研究有限公司

Dates

Publication Date: 20260505
Application Date: 20231107

Claims (9)

1. An anchoring device, characterized by comprising an anchoring foundation (1) and a penetrating pile (2), The penetrating pile (2) is used for lowering the anchoring foundation (1) to a target position and penetrating the anchoring foundation (1) to a preset depth below the mud surface, The anchoring foundation (1) comprises: an anchor head (11) for connecting a mooring line; the embedded component (12) is used for anchoring in soil and comprises at least three embedded plates (121) which are arranged in a radial manner, the inner sides of two adjacent embedded plates (121) are connected, the anchor head (11) is arranged on the embedded plates (121), the outer side of each embedded plate (121) is provided with an embedded groove (1211), At least the lower end of the penetrating pile (2) is provided with a cavity for enabling the penetrating pile (2) to be covered on the embedded component (12), an embedded strip (21) is arranged in the circumferential direction of the cavity, and the penetrating pile (2) is connected with the embedded groove (1211) in a matched mode through the embedded strip (21); The length of the embedded strip (21) is greater than half the distance between two adjacent embedded grooves (1211) and less than the distance between two adjacent embedded grooves (1211).
2. The anchoring device according to claim 1, characterized in that the anchoring foundation (1) further comprises a sleeve (13), the sleeve (13) is sleeved on the embedding assembly (12) and connected with the outer side edge of the embedding plate (121) for increasing friction between the anchoring foundation (1) and the soil body, and the embedding groove (1211) and the anchor head (11) are located outside the sleeve (13).
3. Anchoring device according to claim 2, characterized in that the diameter of the sleeve (13) is equal to the diameter of the penetration pile (2), and/or, The distance between the embedding groove (1211) and the upper end face of the sleeve (13) is equal to the distance between the embedding strip (21) and the lower end face of the penetrating pile (2).
4. The anchoring device according to claim 2, wherein the anchoring foundation (1) further comprises a pull-out resistant assembly (14), the pull-out resistant assembly (14) being arranged at an outer wall of the sleeve (13), the pull-out resistant assembly (14) being adapted to increase the pull-out resistance of the anchoring foundation (1).
5. The anchoring device according to claim 4, characterized in that the anti-pulling assembly (14) comprises a web (141) and a wing (142), The web (141) is perpendicular to the outer wall of the sleeve (13), the included angle between the web (141) and the axis of the sleeve (13) is 0-30 degrees, The wing plates (142) are V-shaped plates, the closed ends of the wing plates (142) are connected with the web plates (141), and the open ends of the wing plates (142) face upwards; The width of the web (141) is larger than the width of the wing plate (142), and a gap is reserved between the wing plate (142) and the outer wall of the sleeve (13).
6. An anchoring device according to claim 1, wherein the anchor head (11) comprises: Lifting lugs (111) for connection to mooring lines; a shackle plate (112) for mounting the shackle (111); an anchor plate (113) located between two adjacent embedded plates (121) and connected to the two adjacent embedded plates (121); -an oppositely arranged anchor neck plate (114), a first end of the anchor neck plate (114) being connected to the anchor plate (113), and a second end of the anchor neck plate (114) being connected to the shackle plate (112).
7. The anchoring device according to claim 6, characterized in that the lifting lug plate (112) has a smaller size than the anchor plate (113), and/or, The shape of the lifting lug plate (112) is the same as the shape of the anchor plate (113).
8. A method of construction of an anchoring device, adapted to any one of claims 1-7, comprising: S1, inserting an embedded component (12) of the anchoring foundation (1) into a cavity at the lower end of a penetrating pile (2), rotating the penetrating pile (2) to enable an embedded strip (21) of the penetrating pile (2) to slide into an embedded groove (1211) of an embedded plate (121) of the embedded component (12) so as to connect the penetrating pile (2) and the anchoring foundation (1), and obtaining anchoring equipment; S2, hanging the anchoring equipment to a target position; S3, penetrating the anchoring equipment to a preset depth below the mud surface through a piling device; s4, rotating the penetrating pile (2) so that the embedded strip (21) slides out of the embedded groove (1211), connecting the penetrating pile (2) and the anchoring foundation (1) is released, the penetrating pile (2) is pulled out, and the anchoring foundation (1) is reserved in soil.
9. The method of claim 8, wherein the pile driving device in S3 is a suction device or a pile hammer.

Description

Anchoring equipment and construction method thereof Technical Field The application relates to the technical field of ocean engineering, in particular to anchoring equipment and a construction method of the anchoring equipment. Background The anchor foundation is marine engineering equipment for mooring a floating marine structure in a working sea area. The anchoring foundation comprises a suction anchor, a towing anchor, a pile anchor, a vertical load anchor and the like, the towing anchor and the vertical load anchor are relatively low in cost, but the problem of inaccurate installation positions exists, and the pile anchor and the suction anchor are accurate in installation positions but relatively high in cost. Along with the large-scale application of the floating fan, a scheme for sharing the anchoring foundation is proposed for saving the cost of mooring equipment, but the sharing anchoring foundation only adopts a pile anchor and a suction anchor with higher manufacturing cost, and the sharing anchoring foundation has a cost reduction space. Therefore, how to reduce the cost of sharing the anchoring foundation is a technical problem to be solved by those skilled in the art. Disclosure of Invention The application provides an anchoring device for reducing the cost of sharing an anchoring foundation. The application also provides a construction method of the anchoring equipment. In order to achieve the above object, the present application provides an anchoring device including an anchor foundation and a penetrating pile, The penetrating pile is used for lowering the anchoring foundation to a target position and penetrating the anchoring foundation to a preset depth below the mud surface, The anchor foundation includes: the anchor head is used for connecting a mooring rope; The embedded component is used for anchoring in soil and comprises at least three embedded plates which are arranged in a radial way, the inner sides of two adjacent embedded plates are connected, the anchor heads are arranged on the embedded plates, the outer sides of the embedded plates are provided with embedded grooves, The embedded pile comprises an embedded component, and is characterized in that at least the lower end of the embedded pile is provided with a cavity for enabling the embedded pile to cover the embedded component, an embedded strip is arranged in the circumference of the cavity, and the embedded pile is connected with the embedded groove in a matched mode through the embedded strip. Preferably, in the above anchoring device, the anchoring foundation further includes a sleeve, the sleeve is sleeved on the embedded component and connected to an outer side edge of the embedded plate, for increasing friction between the anchoring foundation and the soil body, and the embedded groove and the anchor head are located outside the sleeve. Preferably, in the above anchoring device, the diameter of the sleeve is equal to the diameter of the penetration pile, and/or, The distance between the embedded groove and the upper end face of the sleeve is equal to the distance between the embedded strip and the lower end face of the penetrating pile. Preferably, in the above anchoring device, the anchoring foundation further comprises a pull-out resistant component, the pull-out resistant component is disposed on the outer wall of the sleeve, and the pull-out resistant component is used for increasing pull-out resistance of the anchoring foundation. Preferably, in the above anchoring device, the pull-out resistant assembly comprises a web and a wing, The web is perpendicular to the outer wall of the sleeve, and the included angle between the web and the axis of the sleeve is 0-30 degrees, The wing plate is a V-shaped plate, the closed end of the wing plate is connected with the web plate, and the open end of the wing plate faces upwards; the width of the web is larger than that of the wing plate, and a gap is reserved between the wing plate and the outer wall of the sleeve. Preferably, in the above anchoring device, the anchor head includes: the lifting lug is used for connecting a mooring rope; The lifting lug plate is used for installing the lifting lug; The anchor plate is positioned between two adjacent embedded plates and connected with the two adjacent embedded plates; the anchor neck board of relative arrangement, the first end of anchor neck board with the anchor board is connected, the second end of anchor neck board with the lug board is connected. Preferably, in the above-described anchoring device, the lifting lug has a size smaller than that of the anchoring device, and/or, The shape of the lifting lug plate is the same as that of the anchor plate. Preferably, in the above anchoring device, the length of the insert strip is greater than half the distance between the adjacent two of the insert grooves and less than the distance between the adjacent two of the insert grooves. A construction method of an anchoring device,