Offshore pile sinking positioning rechecking monitoring device

By using two laser RTK units and a tripod to form a specific angle in the offshore pile driving positioning device, the problem of positioning difficulties in long distances and complex marine environments using traditional methods has been solved, achieving precise positioning and stability of pile driving, and reducing operational risks and costs.

CN224048235UActive Publication Date: 2026-03-27SHANGHAI DAHUA SURVEYING & MAPPING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Traditional shore-based pile driving positioning measurement methods lose accuracy when the pile location is far from the shore and are difficult to adapt to complex marine environments, leading to positioning difficulties and increased operational risks.

Method used

Two laser RTKs are set up on a tripod, forming an angle of 60° to 120°, to calculate the pile tip elevation in real time. Combined with the base and connecting rod adjustment, it is ensured that the laser RTKs illuminate the same cross-section of the pile in the same plane, so as to achieve accurate positioning of the pile driving.

Benefits of technology

It improves the accuracy and stability of offshore pile positioning, reduces operational errors and additional costs, is applicable to different ship types, and reduces the risks of manual operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an offshore pile sinking positioning re-checking monitoring device which comprises two laser RTKs and tripods, the laser RTKs are arranged on the tripods, the tripods are arranged on a pile driving barge, the angle formed between the two tripods and a pile body ranges from 60 degrees to 120 degrees, and the two laser RTKs are located in the same plane. Through the application of the offshore pile sinking positioning rechecking monitoring device, the pile tip elevation can be calculated in real time through the two laser RTKs, so that the pile driving hammering force is effectively guided, the pile tip is prevented from exceeding the designed elevation or penetrating through a preset soil texture structure, the stability and reliability of pile sinking are guaranteed, and the service life of the pile is prolonged. Extra cost caused by operation errors or penetration errors is reduced; in addition, the device can avoid the danger of manual operation, is suitable for different ship types, and has good universality.
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Description

TECHNICAL FIELD

[0001] The utility model relates to surveying and mapping product technical field especially, relates to a sea pile positioning review monitoring device. BACKGROUND

[0002] Traditional shore pile positioning measurement mainly adopts angle forward intersection method (tangent method), which is to set up two total stations on the control points on the shore, and to realize the accurate positioning of the pile by using the tangent of the intersection line of the two instruments and the side surface at the design elevation of the pile. This method has high precision and efficiency when the pile position is close to the shore, and can meet the construction requirements. However, with the development of offshore engineering, the pile area gradually extends to the sea far from the shore, and the limitations of the traditional method gradually appear. Because the measuring distance of the total station is limited, when the pile position is far from the shore, the total station cannot effectively cover the target area, resulting in a decrease in positioning accuracy or even failure to complete the measurement task. In addition, the offshore environment is complex, and is greatly affected by natural factors such as wind, wave and tide, so the traditional measurement method is also difficult to adapt to this dynamically changing environment. SUMMARY

[0003] Therefore, in order to solve the above problems, the purpose of the utility model is to provide a sea pile positioning review monitoring device, which comprises: two laser RTKs and tripods, the laser RTKs are arranged on the tripods, the tripods are arranged on the pile driving barge, the angle between the two tripods and the pile body is 60° to 120°, and the two laser RTKs are in the same plane.

[0004] In another preferred embodiment, it further comprises: a base, which is movably arranged on the upper end of the tripod, a plurality of positioning holes are formed in the base, a plurality of connecting holes are arranged on the upper end of the tripod, a positioning member is arranged in the positioning hole, and the connecting hole is matched with the connecting hole.

[0005] In another preferred embodiment, it further comprises: a connecting rod, the lower end of the connecting rod is connected with the base, the upper end of the connecting rod is connected with the laser RTK, a threaded hole is formed in the upper end of the base, an external thread is arranged on the outer wall of the lower end of the connecting rod, and the lower end of the connecting rod is screwed with the threaded hole.

[0006] In another preferred embodiment, the distance between the tripod and the pile body is less than 15 meters.

[0007] In another preferred embodiment, the two tripods are arranged opposite to each other, and the vertical heights of the two tripods are the same.

[0008] In another preferred embodiment, the two laser RTKs are arranged opposite to each other.

[0009] The utility model discloses a kind of offshore pile positioning review monitoring devices, can be calculated pile tip elevation in real time by two laser RTK, to effectively guide pile hammering intensity, avoid pile tip exceeding design elevation or penetrating predetermined soil structure, to guarantee the stability and reliability of sinking pile, reduce the additional cost caused by operating error or penetration error;In addition, the device can also avoid the danger of manual operation, and applicable to different ship types, with good versatility. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 It is a structural schematic diagram of the offshore pile positioning review monitoring device of the utility model;

[0011] Fig. 2 It is a mounting schematic diagram of the offshore pile positioning review monitoring device of the utility model.

[0012] In the drawings:

[0013] 1, tripod;2, laser RTK;3, pile body;4, base;5, connecting rod. DETAILED DESCRIPTION

[0014] The technical scheme of the utility model will be described clearly and completely in combination with drawings, obviously, the described embodiment is a part of embodiment of the utility model, instead of all embodiments. Based on the embodiment in the utility model, all other embodiments obtained by person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0015] In the description of the utility model, it is understood that the orientation or position relationship indicated by "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "horizontal", "vertical" and the like is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model, and is not indicated or implied that the indicated device or element must have a particular orientation, so it cannot be understood as a limitation on the utility model.

[0016] It needs to be specially stated that "horizontal", "vertical" in the utility model are all used to explain approximate position relationship, and not strict "horizontal plane" or "vertical plane".

[0017] As Figs. 1-2As shown, the marine pile positioning review monitoring device of the preferred embodiment comprises two laser RTKs 2 and tripods 1, the laser RTKs 2 are arranged on the tripods 1, the tripods 1 are arranged on the pile driver, the angle between the two tripods 1 and the pile body 3 is 60° to 120°, and the two laser RTKs 2 are in the same plane. Further, by arranging the two laser RTKs 2 in the same plane, the laser emitted by the two laser RTKs 2 can irradiate the same cross section of the pile body 3.

[0018] Further, as a preferred embodiment, it further comprises a base 4, the base 4 is movably arranged on the upper end of the tripod 1, a plurality of positioning holes are arranged on the base 4, a plurality of connecting holes are arranged on the upper end of the tripod 1, and a positioning member is arranged in the positioning hole for cooperation with the connecting hole. Further, by arranging the positioning member, it is beneficial to adjust the installation position of the base 4 on the tripod 1.

[0019] Further, as a preferred embodiment, it further comprises a connecting rod 5, the lower end of the connecting rod 5 is connected with the base 4, the upper end of the connecting rod 5 is connected with the laser RTK 2, a threaded hole is arranged on the upper end of the base 4, an external thread is arranged on the outer wall of the lower end of the connecting rod 5, and the lower end of the connecting rod 5 is threadedly connected with the threaded hole. Further, by adjusting the position of the connecting rod 5 in the threaded hole, the height of the laser RTK 2 can be conveniently and quickly adjusted.

[0020] Further, as a preferred embodiment, the distance between the tripod 1 and the pile body 3 is less than 15 meters. Further, when the distance between the pile body 3 and the tripod 1 is less than 15 meters, the calculated pile height by the laser RTK 2 has good reliability and accuracy.

[0021] Further, as a preferred embodiment, the two tripods 1 are arranged opposite to each other, and the vertical heights of the two tripods 1 are the same.

[0022] Further, as a preferred embodiment, the two laser RTKs 2 are arranged opposite to each other.

[0023] The working principle of the utility model is as follows: when the pile depth needs to be calculated, first, the relevant parameters can be set on the hand book of laser RTK2, after the correction signal received by the mobile station in the laser RTK2 is stable, the laser RTK2 is set to laser mode and initialized, the base 4 is installed on the tripod 1, the connecting rod 5 is connected with the base 4, then the laser RTK2 is connected with the connecting rod 5, at this time, the laser RTK2 will emit laser, and the emitted laser will irradiate on the pile body 3, the positions of the two tripods 1 and the two laser RTK2 are adjusted according to the position of the laser on the pile body 3, the two tripods 1 are adjusted to the same height, so that the two laser RTK2 are located in the same plane, so that the laser emitted by the two laser RTK2 can irradiate on the same cross section of the pile body 3, the horizontal distance between the laser emitted by the two laser RTK2 is equal to the diameter of the pile body 3, and the laser emitted by the two laser RTK2 irradiates on the pile top plane of the pile body 3, so that the plane height of the pile top plane of the pile body 3 can be determined, since the length of the pile body 3 is certain, according to the elevation of the laser irradiation point (namely the plane height of the pile top plane of the pile body 3) displayed on the hand book of the laser RTK2, the length of the pile body 3 is subtracted from the obtained elevation of the laser irradiation point, so that the pile tip elevation can be calculated, so that the real-time review of the pile position information can be realized.

[0024] The above only describes the preferred embodiments of the utility model, and does not limit the implementation and protection scope of the utility model, for those skilled in the art, it should be realized that the obtained solutions of equivalent replacement and obvious changes of the utility model specification and drawing contents should be contained in the protection scope of the utility model.

Claims

1. A device for pile positioning review monitoring at sea, characterized in that, The utility model relates to a laser RTK and three-legged support, the laser RTK is arranged on the three-legged support, the three-legged support is arranged on the piling ship, the angle between two three-legged supports and pile body is 60 DEG to 120 DEG, and two laser RTKs are in the same plane. Further comprising:

2. A pile driving monitoring apparatus according to claim 1, wherein, The base is movably arranged on the upper end of the three-legged support, a plurality of positioning holes are formed in the base, a plurality of connecting holes are arranged on the upper end of the three-legged support, and a positioning member is arranged in the positioning hole to cooperate with the connecting hole. Further comprising:

3. A pile driving monitoring apparatus according to claim 2, wherein, The connecting rod is connected with the base at the lower end, and the upper end of the connecting rod is connected with the laser RTK; a threaded hole is formed in the upper end of the base; an external thread is arranged on the outer wall of the lower end of the connecting rod; and the lower end of the connecting rod is screwed with the threaded hole. The distance between the three-legged support and the pile body is less than 15 meters.

4. A pile driving monitoring apparatus according to claim 1, wherein, The two three-legged supports are arranged opposite to each other, and the vertical heights of the two three-legged supports are the same.

5. The pile positioning verification monitoring device according to claim 1, wherein, The two laser RTKs are arranged opposite to each other.

6. A pile driving monitoring apparatus according to claim 1, wherein, ​