CN-224202353-U - Pile foundation sediment thickness detection device for ocean engineering

CN224202353UCN 224202353 UCN224202353 UCN 224202353UCN-224202353-U

Abstract

The utility model relates to the technical field of pile foundation sediment thickness detection instruments and discloses a pile foundation sediment thickness detection device for ocean engineering, which comprises a detector main machine, a placement pocket, a take-up and pay-off line and a detection probe, wherein the placement pocket is fixedly arranged on two sides of the detector main machine, one side of the detector main machine is fixedly connected with the detection probe through the take-up and pay-off line, a first protection cylinder, a second protection cylinder and a third protection cylinder are sequentially sleeved on the outer side of the upper end of the detection probe to form a multi-layer telescopic protection structure.

Inventors

ZHANG CHAO
ZHENG CHENGMING
ZHANG YAHUI
Shi Rengbo
LIU JUNWEI
ZHOU ZHENGYONG
MA JIAJUN
MA MINGYUAN

Assignees

青岛理工大学
青岛港建设管理中心有限公司

Dates

Publication Date: 20260505
Application Date: 20250822

Claims (8)

1. The pile foundation sediment thickness detection device for the ocean engineering comprises a detector main machine, a placement pocket, a coiling and uncoiling line and a detection probe, and is characterized in that the placement pocket is fixedly arranged on two sides of the detector main machine, one side of the detector main machine is fixedly connected with the detection probe through the coiling and uncoiling line, the placement pocket is used for storing the detection probe, and a first protection cylinder, a second protection cylinder and a third protection cylinder are sequentially sleeved on the outer side of the upper end of the detection probe to form a multi-layer telescopic protection structure; the second protection cylinder is in sliding connection with a first sliding groove on the outer wall of the first protection cylinder through a first sliding block on the inner wall of the upper end, and the third protection cylinder is in sliding connection with a second sliding groove on the outer wall of the second protection cylinder through a second sliding block on the inner wall of the upper end; and the outer side of the lower end of the third protection cylinder is fixed with an elastic ring for buffering external impact.
2. The pile foundation sediment thickness detection device for ocean engineering of claim 1, wherein the middle part of the top surface of the first protection cylinder is fixed with a guide ring, and the winding and unwinding wires penetrate through the guide ring; The inner wall of the guide ring is provided with a connecting groove, and the connecting groove is movably connected with a second pulley through a second shaft rod, so that the friction resistance of the coiling and uncoiling line is reduced.
3. The pile foundation sediment thickness detection device for ocean engineering of claim 2, wherein the outer wall of the lower end of the first protection cylinder is fixed with a first supporting ring, the outer wall of the lower end of the second protection cylinder is fixed with a second supporting ring, and the outer wall of the lower end of the third protection cylinder is fixed with a third supporting ring; the elastic ring is fixedly connected with the outer wall of the third supporting ring.
4. The pile foundation sediment thickness detection device for ocean engineering of claim 3, wherein the length of the first protection cylinder is longer than that of the second protection cylinder, and the length of the second protection cylinder is longer than that of the third protection cylinder, so that the stepped shrinkage structure is formed.
5. The pile foundation sediment thickness detection device for ocean engineering of claim 4, wherein the inner wall of the lower end of the first protection cylinder is fixed with a supporting rod, the end part of the supporting rod is provided with a rotating groove, the rotating groove is movably connected with a first pulley through a first shaft lever at the inner side, and the first pulley is abutted against the outer wall of the detection probe to assist the vertical movement of the detection probe.
6. The pile foundation sediment thickness detection device for ocean engineering of claim 5, wherein the first support ring, the second support ring and the third support ring are made of elastic materials, the influence of external impact on the detection probe is buffered, and the telescoping stability of the protection cylinder is ensured.
7. The pile foundation sediment thickness detection device for ocean engineering of claim 6, wherein the first sliding groove and the first sliding block are symmetrically provided with four groups, and the second sliding groove and the second sliding block are symmetrically provided with four groups, so that the telescoping stability of the protection cylinder is ensured.
8. The pile foundation sediment thickness detection device for ocean engineering of claim 7, wherein the connecting groove and the second pulley are symmetrically provided with four groups, and the supporting rod and the first pulley are symmetrically provided with four groups to form a uniform stress structure.

Description

Pile foundation sediment thickness detection device for ocean engineering Technical Field The utility model relates to the technical field of pile foundation sediment thickness detection instruments, in particular to a pile foundation sediment thickness detection device for ocean engineering. Background In the construction of ocean engineering pile foundations, accurate detection of sediment thickness is crucial to pile foundation bearing capacity assessment. In the traditional detection method, a gravity type probe is mostly adopted to vertically downwards put to the pile bottom through a coiling and uncoiling line, sediment data is fed back through a sensor, a specific instrument condition can refer to figure 1, and an operator can control and read the detection probe through a host machine. However, the prior art has the defects that the probe is insufficient in protection, the probe is easy to collide with a pile wall in the lowering process, so that a sensor is damaged, the sensor is required to be lowered very slowly (the speed is usually lower than 0.5 m/s) to avoid collision, the detection efficiency is seriously affected, the time consumption is remarkable especially in a deep water pile foundation, the positioning stability is poor, the probe is easy to incline due to the influence of water flow or coiling and uncoiling swing when being lowered, the contact slag surface is not vertical, the measured thickness value deviates from reality (the error can reach 10% -15%), the adaptability is limited, the existing protecting device is mainly a fixed sleeve, the protection strength and the folding storage function are difficult to be considered, and the applicability is poor. Therefore, a pile foundation sediment thickness detection device for ocean engineering with good protection effect, high operation efficiency and improved detection precision is needed. The above information disclosed in this background section is only for enhancement of understanding of the background section of the utility model and therefore it may not form the prior art that is already known to those of ordinary skill in the art. Disclosure of utility model The utility model provides a pile foundation sediment thickness detection device for ocean engineering, which has good protection effect, is convenient to rapidly pay off and has high detection precision, and aims to solve the problems that the lowering is slow due to poor protection effect when the pile foundation sediment thickness detector in the prior art is used, and the detection result is influenced because the vertical state cannot be stably maintained after the lowering. The utility model provides a pile foundation sediment thickness detection device for ocean engineering, which adopts the following technical scheme: The pile foundation sediment thickness detection device for the ocean engineering comprises a detector main machine, a placement pocket, a take-up and pay-off line and a detection probe, wherein the placement pocket is fixedly arranged on two sides of the detector main machine, one side of the detector main machine is fixedly connected with the detection probe through the take-up and pay-off line, the placement pocket is used for storing the detection probe, a first protection barrel, a second protection barrel and a third protection barrel are sequentially sleeved on the outer side of the upper end of the detection probe to form a multi-layer telescopic protection structure, the second protection barrel is in sliding connection with a first sliding groove of the outer wall of the first protection barrel through a first sliding block of the inner wall of the upper end, the third protection barrel is in sliding connection with a second sliding groove of the outer wall of the second protection barrel through a second sliding block of the inner wall of the upper end, and an elastic ring is fixedly arranged on the outer side of the lower end of the third protection barrel and used for buffering external impact. Furthermore, a guide ring is fixed in the middle of the top surface of the first protection cylinder, the winding and unwinding wires penetrate through the guide ring, a connecting groove is formed in the inner wall of the guide ring, and the connecting groove is movably connected with a second pulley through a second shaft rod and used for reducing friction resistance of the winding and unwinding wires. Further, the outer wall of the lower end of the first protection cylinder is fixed with a first supporting ring, the outer wall of the lower end of the second protection cylinder is fixed with a second supporting ring, the outer wall of the lower end of the third protection cylinder is fixed with a third supporting ring, and the elastic ring is fixedly connected with the outer wall of the third supporting ring. Further, the length of the first protection cylinder is greater than that of the second protection cylinder, and the length of the second pro