Underwater pile top elevation measuring device

Abstract

The utility model discloses an underwater pile top elevation measuring device which comprises a positioning frame sleeve, a position follow-up device is installed on the side wall of the positioning frame sleeve, a liquid level communicating pipe is fixed to the outer side wall of the positioning frame sleeve, and a liquid level instrument is arranged at the top end of the side, away from the positioning frame sleeve, of the liquid level communicating pipe. A piston capable of moving up and down along with the position follow-up device is arranged in an inner cavity of the vertical part, close to one side of the positioning frame sleeve, of the liquid level communicating pipe, and the bottom of the inner cavity of the liquid level communicating pipe is filled with liquid. The underwater measuring device can complete measuring operation underwater, is convenient to use, high in measuring efficiency and good in equipment stability, and can reduce the performance requirement of an underwater pile foundation construction ship crane.

Description

Technical Field

[0001] The utility model relates to an underwater pile top elevation measuring device, belonging to the technical field of offshore wind power equipment. Background Art

[0002] As offshore wind power gradually moves to deep sea, the types of jacket foundations will gradually increase. However, the current construction period of jacket foundations for offshore wind turbines is relatively long, mainly due to the low efficiency of jacket pile foundation construction. Since the jacket pile foundation construction requires high precision, jacket pile foundation construction requires specially customized pile positioning frames.

[0003] At present, due to the shallow water depth of domestic wind farms, the pile positioning frame can be exposed to the water surface as a whole, and the measurement can be carried out on the water surface, which is more intuitive, simple and reliable. However, as the water depth increases, the surface type pile positioning frame is no longer applicable, and the underwater type pile positioning frame needs to be used. Therefore, the measurement operation needs to be completed underwater. Underwater measurement requires a measurement system with high measurement accuracy, excellent reliability and easy operation. For this reason, we proposed an underwater pile top elevation measurement device. Utility Model Content

[0004] The utility model aims to provide an underwater pile top elevation measuring device, which is easy to use, can complete the measurement work underwater, has high measurement efficiency, good equipment stability, and can reduce the performance requirements of the ship crane for underwater pile foundation construction.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: an underwater pile top elevation measuring device, comprising a positioning frame casing, a pile hammer and a steel pipe pile are installed in the inner cavity of the positioning frame casing, the pile hammer is arranged at the top of the steel pipe pile, a position follower is installed on the side wall of the positioning frame casing, and the inner end of the position follower is arranged below the pile hammer, a U-shaped liquid level connecting pipe is fixed to the outer wall of the positioning frame casing, a liquid level meter is arranged at the top of the liquid level connecting pipe away from the positioning frame casing, a piston that can move up and down with the position follower is arranged in the inner cavity of the vertical part of the liquid level connecting pipe close to the positioning frame casing, the bottom of the inner cavity of the liquid level connecting pipe is filled with liquid, and the piston is placed on the top of one end of the liquid.

[0006] In the aforementioned underwater pile top elevation measuring device, the inner side wall of the positioning frame casing is provided with a guide plate, and the steel pipe pile is inserted between a plurality of the guide plates.

[0007] The aforementioned underwater pile top elevation measuring device, the position following device includes a slide rail, the slide rail is fixed to the outer wall of the positioning frame casing, a slider is slidably installed in the inner cavity of the slide rail, the inner end of the slider passes through the side wall of the positioning frame casing and is provided with a follower plate, and the follower plate is placed below the pile hammer.

[0008] In the aforementioned underwater pile top elevation measuring device, a damping pad is provided between the slide rail and the slide block.

[0009] In the aforementioned underwater pile top elevation measuring device, the outer end of the slider extends out of the side wall of the slide rail and is provided with a sliding sleeve, the sliding sleeve is sleeved on the outer wall of the liquid level connecting pipe, and the inner wall of the sliding sleeve is provided with a first magnet, and the interior of the inner cavity piston of the liquid level connecting pipe is provided with a second magnet, and the first magnet and the second magnet attract each other.

[0010] In the aforementioned underwater pile top elevation measuring device, the vertical portion of the liquid level connecting pipe close to one side of the positioning frame casing is fixedly sleeved with a pipe hoop, and the pipe hoop is fixed to the side wall of the frame casing.

[0011] The aforementioned underwater pile top elevation measuring device, the outer side wall of the positioning frame casing.

[0012] In the aforementioned underwater pile top elevation measuring device, the liquid level meter is an ultrasonic liquid level meter.

[0013] In the aforementioned underwater pile top elevation measuring device, the liquid level meter is connected to a display device via an electrical signal.

[0014] Compared with the prior art, the utility model can move downward with the pile hammer through the position follower device, detect the position information of the pile hammer, and digitize the position information of the pile hammer through the coordinated use of the liquid level connecting pipe and the liquid level meter, so as to read the pile top elevation data in the final stage of the piling process in real time. It is easy to use and can complete the measurement operation underwater. In addition, the utility model has a simple and reliable structure, high measurement efficiency, good equipment stability, and can effectively and reliably meet the actual use needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the installation structure of the position follower device of the utility model;

[0017] Figure 3 It is a schematic diagram of a top cross-section of the position follower of the utility model;

[0018] Figure 4 It is a schematic diagram of the internal structure of the liquid level connecting pipe of the utility model.

[0019] Figure numerals: 1-positioning frame sleeve, 2-pile hammer, 3-steel pipe pile, 4-position follower, 5-liquid level connecting pipe, 6-liquid level meter, 7-piston, 8-guide plate, 9-follower plate, 10-slider, 11-slide rail, 12-damping pad, 13-slide sleeve, 14-first magnet, 15-second magnet, 16-pipe clamp.

[0020] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods. DETAILED DESCRIPTION

[0021] Embodiment 1 of the utility model: An underwater pile top elevation measuring device comprises a positioning frame casing 1, wherein a pile hammer 2 and a steel pipe pile 3 are installed in the inner cavity of the positioning frame casing 1, the pile hammer 2 is arranged at the top of the steel pipe pile 3, and the pile hammer 2 continues to perform pile driving operation on the steel pipe pile 3 after entering the positioning frame casing 1, a position follower 4 is installed on the side wall of the positioning frame casing 1, and the inner side end of the position follower 4 is arranged below the pile hammer 2, when performing pile driving operation, the bottom of the pile hammer 2 gradually contacts the position follower 4, and the position follower 4 can gradually move downward with the pile hammer 2, a U-shaped liquid level connecting pipe 5 is fixed to the outer side wall of the positioning frame casing 1, a liquid level meter 6 is arranged at the top of the liquid level connecting pipe 5 away from the positioning frame casing 1, and a sealing connection is formed between the liquid level meter 6 and the liquid level connecting pipe 5. The liquid level connecting pipe 5 is connected to the liquid level meter 6 to prevent seawater from entering the liquid level connecting pipe 5. A one-way exhaust port can be set on the top of one end of the liquid level connecting pipe 5 connected to the liquid level meter 6 to facilitate the exhaust of gas when the liquid in the liquid level connecting pipe 5 moves. The inner cavity of the vertical part of the liquid level connecting pipe 5 close to the positioning frame sleeve 1 is provided with a piston 7 that can move up and down with the position following device 4. The bottom of the inner cavity of the liquid level connecting pipe 5 is filled with liquid. The piston 7 is placed on the top of one end of the liquid. The position following device 4 drives the piston 7 to move downward, and the piston 7 causes the liquid level below it to move downward. The liquid level on the other side of the liquid level connecting pipe 5 moves upward, and the liquid level meter 6 reads the change in liquid level data. The relative relationship between the display data of the liquid level meter 6 and the top elevation of the steel pipe pile 3 is preset, so that the top elevation data of the pile in the final stage of the piling process can be read in real time to achieve underwater operations.

[0022] Embodiment 2 of the present utility model: an underwater pile top elevation measuring device, comprising a positioning frame casing 1, a pile hammer 2 and a steel pipe pile 3 are installed in the inner cavity of the positioning frame casing 1, the pile hammer 2 is arranged at the top of the steel pipe pile 3, the inner side wall of the positioning frame casing 1 is provided with a guide plate 8, the steel pipe pile 3 is inserted between a plurality of guide plates 8, and it is convenient for the steel pipe pile 3 to be positioned, and the pile hammer 2 continues to perform pile driving operation on the steel pipe pile 3 after entering the positioning frame casing 1, a position follower 4 is installed on the side wall of the positioning frame casing 1, and the inner side end of the position follower 4 is arranged below the pile hammer 2, when performing pile driving operation, the bottom of the pile hammer 2 gradually contacts the position follower 4, and the position follower 4 can gradually move downward with the pile hammer 2, and a U-shaped liquid level connecting pipe 5 is fixed to the outer side wall of the positioning frame casing 1, and a liquid level connecting pipe 5 is arranged at the top of the side away from the positioning frame casing 1. The liquid level meter 6 is sealed and connected with the liquid level connecting pipe 5 to prevent seawater from entering the liquid level connecting pipe 5. A one-way exhaust port can be set on the top of one end of the liquid level connecting pipe 5 connected to the liquid level meter 6 to facilitate the exhaust of gas when the liquid in the liquid level connecting pipe 5 moves. The inner cavity of the vertical part of the liquid level connecting pipe 5 close to the positioning frame sleeve 1 is provided with a piston 7 that can move up and down with the position following device 4. The bottom of the inner cavity of the liquid level connecting pipe 5 is filled with liquid. The piston 7 is placed on the top of one end of the liquid. The position following device 4 drives the piston 7 to move downward, and the piston 7 causes the liquid level below it to move downward. The liquid level on the other side of the liquid level connecting pipe 5 moves upward, and the liquid level meter 6 reads the change in liquid level data. The relative relationship between the display data of the liquid level meter 6 and the pile top elevation of the steel pipe pile 3 is preset, so that the pile top elevation data in the final stage of the piling process can be read in real time to achieve underwater operation.

[0023] Embodiment 3 of the present utility model: an underwater pile top elevation measuring device, comprising a positioning frame casing 1, a pile hammer 2 and a steel pipe pile 3 are installed in the inner cavity of the positioning frame casing 1, the pile hammer 2 is arranged at the top of the steel pipe pile 3, the inner side wall of the positioning frame casing 1 is provided with a guide plate 8, the steel pipe pile 3 is inserted between a plurality of guide plates 8, to facilitate the positioning of the steel pipe pile 3, the pile hammer 2 continues to perform pile driving operation on the steel pipe pile 3 after entering the positioning frame casing 1, a position follower 4 is installed on the side wall of the positioning frame casing 1, and the inner side end of the position follower 4 is arranged below the pile hammer 2, when performing pile driving operation, the bottom of the pile hammer 2 gradually contacts the position follower 4, and the position follower 4 can gradually move downward with the pile hammer 2, a U-shaped liquid level connecting pipe 5 is fixed to the outer side wall of the positioning frame casing 1, and a liquid level connecting pipe 5 is arranged at the top of the side away from the positioning frame casing 1 The liquid level meter 6 is sealed and connected with the liquid level connecting pipe 5 to prevent seawater from entering the liquid level connecting pipe 5. A one-way exhaust port can be set on the top of one end of the liquid level connecting pipe 5 connected to the liquid level meter 6 to facilitate the exhaust of gas when the liquid in the liquid level connecting pipe 5 moves. The inner cavity of the vertical part of the liquid level connecting pipe 5 close to the positioning frame sleeve 1 is provided with a piston 7 that can move up and down with the position following device 4. The bottom of the inner cavity of the liquid level connecting pipe 5 is filled with liquid. The piston 7 is placed on the top of one end of the liquid. The position following device 4 drives the piston 7 to move downward, and the piston 7 causes the liquid level below it to move downward. The liquid level on the other side of the liquid level connecting pipe 5 moves upward, and the liquid level meter 6 reads the change in liquid level data. The relative relationship between the display data of the liquid level meter 6 and the pile top elevation of the steel pipe pile 3 is preset, so that the pile top elevation data in the final stage of the piling process can be read in real time to achieve underwater operation.

[0024] The position follower 4 includes a slide rail 11, and the length of the slide rail 11 can be set according to the actual required measuring range. The slide rail 11 is fixed to the outer wall of the positioning frame sleeve 1. A slider 10 is slidably installed in the inner cavity of the slide rail 11, and the slider 10 can slide up and down. The inner end of the slider 10 passes through the side wall of the positioning frame sleeve 1 and is provided with a follower plate 9. The follower plate 9 is placed under the pile hammer 2. When the pile hammer 2 is working, the follower plate 9 can move downward. A damping pad 12 is provided between the slide rail 11 and the slider 10 to increase friction and prevent the slider 10 from sliding by itself. A sleeve 13 is provided on the outer end of the slider 10 extending out of the side wall of the slide rail 11. The sleeve 13 is sleeved on the outer wall of the liquid level connecting pipe 5, and a first magnet 14 is provided on the inner wall of the sleeve 13. A second magnet 15 is provided inside the piston 7 in the inner cavity of the liquid level connecting pipe 5. The first magnet 14 and the second magnet 15 attract each other. When the sleeve 13 moves up and down, the piston 7 can be moved synchronously by the first magnet 14 and the second magnet 15.

[0025] Embodiment 4 of the present utility model: An underwater pile top elevation measuring device comprises a positioning frame sleeve 1, a pile hammer 2 and a steel pipe pile 3 are installed in the inner cavity of the positioning frame sleeve 1, the pile hammer 2 is arranged at the top of the steel pipe pile 3, the inner side wall of the positioning frame sleeve 1 is provided with a guide plate 8, the steel pipe pile 3 is inserted between a plurality of guide plates 8, and the steel pipe pile 3 is conveniently positioned. After the pile hammer 2 enters the positioning frame sleeve 1, it continues to perform pile driving operation on the steel pipe pile 3, and a position follower 4 is installed on the side wall of the positioning frame sleeve 1. The inner side end of the position follower 4 is arranged below the pile hammer 2. When the pile driving operation is performed, the bottom of the pile hammer 2 gradually contacts the position follower 4. The position follower 4 can gradually move downward with the pile hammer 2. A U-shaped liquid level connecting pipe 5 is fixed to the outer side wall of the positioning frame casing 1. A liquid level meter 6 is arranged at the top of the liquid level connecting pipe 5 away from the positioning frame casing 1. The liquid level meter 6 is sealed and connected to the liquid level connecting pipe 5 to prevent seawater from entering the liquid level connecting pipe 5. The liquid level connecting pipe 5 is connected to the positioning frame casing 1. A one-way exhaust port can be set at the top of one end of the liquid level meter 6 to facilitate the exhaust of gas when the liquid in the liquid level connecting pipe 5 moves. The inner cavity of the vertical part of the liquid level connecting pipe 5 close to the positioning frame sleeve 1 is provided with a piston 7 that can move up and down with the position following device 4. The bottom of the inner cavity of the liquid level connecting pipe 5 is filled with liquid, and the piston 7 is placed on the top of one end of the liquid. The position following device 4 drives the piston 7 to move downward, and the piston 7 causes the liquid level below it to move downward. The liquid level on the other side of the liquid level connecting pipe 5 moves upward, and the liquid level meter 6 reads the change of liquid level data. The relative relationship between the display data of the liquid level meter 6 and the top elevation of the steel pipe pile 3 is pre-set, so that the top elevation data of the pile in the final stage of the piling process can be read in real time to realize underwater operation. The vertical part of the liquid level connecting pipe 5 close to the positioning frame sleeve 1 is fixedly sleeved with a pipe hoop 16, and the pipe hoop 16 is fixed to the side wall of the positioning frame sleeve 1, which is convenient for installation and fixed firmly. The pipe hoop 16 is arranged on the upper and lower sides of the slide rail 11 without affecting the up and down sliding of the slider 10.

[0026] The position follower 4 includes a slide rail 11, and the length of the slide rail 11 can be set according to the actual required measuring range. The slide rail 11 is fixed to the outer wall of the positioning frame sleeve 1. A slider 10 is slidably installed in the inner cavity of the slide rail 11, and the slider 10 can slide up and down. The inner end of the slider 10 passes through the side wall of the positioning frame sleeve 1 and is provided with a follower plate 9. The follower plate 9 is placed under the pile hammer 2. When the pile hammer 2 is working, the follower plate 9 can move downward. A damping pad 12 is provided between the slide rail 11 and the slider 10 to increase friction and prevent the slider 10 from sliding by itself. A sleeve 13 is provided on the outer end of the slider 10 extending out of the side wall of the slide rail 11. The sleeve 13 is sleeved on the outer wall of the liquid level connecting pipe 5, and a first magnet 14 is provided on the inner wall of the sleeve 13. A second magnet 15 is provided inside the piston 7 in the inner cavity of the liquid level connecting pipe 5. The first magnet 14 and the second magnet 15 attract each other. When the sleeve 13 moves up and down, the piston 7 can be moved synchronously by the first magnet 14 and the second magnet 15.

[0027] Embodiment 5 of the utility model: An underwater pile top elevation measuring device comprises a positioning frame sleeve 1, a pile hammer 2 and a steel pipe pile 3 are installed in the inner cavity of the positioning frame sleeve 1, the pile hammer 2 is arranged at the top of the steel pipe pile 3, the inner side wall of the positioning frame sleeve 1 is provided with a guide plate 8, the steel pipe pile 3 is inserted between a plurality of guide plates 8, and the steel pipe pile 3 is conveniently positioned. After the pile hammer 2 enters the positioning frame sleeve 1, it continues to perform pile driving operation on the steel pipe pile 3. A position follower 4 is installed on the side wall of the positioning frame sleeve 1, and the inner side end of the position follower 4 is arranged at the driving position. Below the pile hammer 2, when the pile driving operation is performed, the bottom of the pile hammer 2 gradually contacts the position follower 4, and the position follower 4 can gradually move downward with the pile hammer 2. A U-shaped liquid level connecting pipe 5 is fixed to the outer wall of the positioning frame casing 1. A liquid level meter 6 is arranged at the top of the liquid level connecting pipe 5 away from the positioning frame casing 1. The liquid level meter 6 is preferably an ultrasonic liquid level meter, which has accurate measurement and good equipment stability. At the same time, the liquid level meter 6 is connected to a display device through an electrical signal, and data can be easily read remotely. The liquid level meter 6 and the liquid level The connecting pipes 5 are sealed and connected to prevent seawater from entering the liquid level connecting pipe 5. A one-way exhaust port can be set at the top of one end of the liquid level connecting pipe 5 connected to the liquid level meter 6 to facilitate the exhaust of gas when the liquid in the liquid level connecting pipe 5 moves. The inner cavity of the vertical part of the liquid level connecting pipe 5 close to the positioning frame sleeve 1 is provided with a piston 7 that can move up and down with the position follower 4. The bottom of the inner cavity of the liquid level connecting pipe 5 is filled with liquid, and the piston 7 is placed on the top of one end of the liquid. The position follower 4 drives the piston 7 to move downward, and the piston 7 causes the liquid level below it to follow downward. The liquid level on the other side of the liquid level connecting pipe 5 moves upward, and the liquid level meter 6 reads the change in liquid level data. The relative relationship between the display data of the liquid level meter 6 and the top elevation of the steel pipe pile 3 is preset, so that the top elevation data of the pile in the final stage of the piling process can be read in real time to realize underwater operation. The vertical part of the liquid level connecting pipe 5 close to the side of the positioning frame sleeve 1 is fixedly sleeved with a pipe clamp 16, and the pipe clamp 16 is fixed to the side wall of the positioning frame sleeve 1, which is convenient for installation and fixed firmly. The pipe clamp 16 is arranged on the upper and lower sides of the slide rail 11 without affecting the up and down sliding of the slider 10.

[0028] The position follower 4 includes a slide rail 11, and the length of the slide rail 11 can be set according to the actual required measuring range. The slide rail 11 is fixed to the outer wall of the positioning frame sleeve 1. A slider 10 is slidably installed in the inner cavity of the slide rail 11, and the slider 10 can slide up and down. The inner end of the slider 10 passes through the side wall of the positioning frame sleeve 1 and is provided with a follower plate 9. The follower plate 9 is placed under the pile hammer 2. When the pile hammer 2 is working, the follower plate 9 can move downward. A damping pad 12 is provided between the slide rail 11 and the slider 10 to increase friction and prevent the slider 10 from sliding by itself. A sleeve 13 is provided on the outer end of the slider 10 extending out of the side wall of the slide rail 11. The sleeve 13 is sleeved on the outer wall of the liquid level connecting pipe 5, and a first magnet 14 is provided on the inner wall of the sleeve 13. A second magnet 15 is provided inside the piston 7 in the inner cavity of the liquid level connecting pipe 5. The first magnet 14 and the second magnet 15 attract each other. When the sleeve 13 moves up and down, the piston 7 can be moved synchronously by the first magnet 14 and the second magnet 15.

[0029] The working principle of an embodiment of the utility model is as follows: when the utility model is in use, the pile hammer 2 enters the positioning frame sleeve 1 and continues to perform pile driving operation on the steel pipe pile 3. The bottom of the pile hammer 2 gradually contacts the position follower 4. The follower plate 9 of the position follower 4 can gradually move downward following the pile hammer 2. The follower plate 9 drives the sliding sleeve 13 to move up and down through the slider 10. The sliding sleeve 13 can make the piston 7 move synchronously through the first magnet 14 and the second magnet 15. The piston 7 makes the liquid level below it move downward, and the liquid level on the other side of the liquid level connecting pipe 5 moves upward. The liquid level meter 6 reads the change of liquid level data. The relative relationship between the display data of the liquid level meter 6 and the pile top elevation of the steel pipe pile 3 is preset, so that the pile top elevation data of the final stage of the pile driving process can be read in real time to realize underwater operation.

Claims

1. An underwater pile top elevation measuring device, characterized in that: The invention comprises a positioning frame sleeve (1), wherein a pile hammer (2) and a steel pipe pile (3) are installed in the inner cavity of the positioning frame sleeve (1), wherein the pile hammer (2) is arranged at the top of the steel pipe pile (3), wherein a position follower (4) is installed on the side wall of the positioning frame sleeve (1), and the inner side end of the position follower (4) is arranged below the pile hammer (2), wherein a U-shaped liquid level connecting pipe (5) is fixed on the outer side wall of the positioning frame sleeve (1), wherein a liquid level meter (6) is arranged at the top of the liquid level connecting pipe (5) away from the positioning frame sleeve (1), wherein a piston (7) which can move up and down with the position follower (4) is arranged in the inner cavity of the vertical part of the positioning frame sleeve (1) side of the liquid level connecting pipe (5), wherein the inner cavity bottom of the liquid level connecting pipe (5) is filled with liquid, and the piston (7) is arranged at the top of one end of the liquid.

2. The underwater pile top elevation measuring device according to claim 1, characterized in that: The inner side wall of the positioning frame sleeve (1) is provided with a guide plate (8), and the steel pipe pile (3) is inserted between a plurality of the guide plates (8).

3. The underwater pile top elevation measuring device according to claim 1, characterized in that: The position follower device (4) comprises a slide rail (11), the slide rail (11) is fixed to the outer wall of the positioning frame sleeve (1), a slider (10) is slidably mounted in the inner cavity of the slide rail (11), and a follower plate (9) is provided at the inner end of the slider (10) penetrating the side wall of the positioning frame sleeve (1), and the follower plate (9) is placed below the pile hammer (2).

4. The underwater pile top elevation measuring device according to claim 3 is characterized in that: A damping pad (12) is provided between the slide rail (11) and the slider (10).

5. The underwater pile top elevation measuring device according to claim 3 is characterized in that: The outer end of the slider (10) extends out of the side wall of the slide rail (11) and is provided with a sleeve (13). The sleeve (13) is sleeved on the outer wall of the liquid level connecting tube (5), and the inner wall of the sleeve (13) is provided with a first magnet (14). A second magnet (15) is provided inside the inner piston (7) of the liquid level connecting tube (5), and the first magnet (14) and the second magnet (15) attract each other.

6. The underwater pile top elevation measuring device according to claim 1, characterized in that: A pipe hoop (16) is fixedly sleeved on the vertical portion of the liquid level connecting pipe (5) close to one side of the positioning frame sleeve (1), and the pipe hoop (16) is fixed on the side wall of the positioning frame sleeve (1).

7. An underwater pile top elevation measuring device according to claim 1 or 6, characterized in that: The outer side wall of the positioning frame sleeve (1).

8. The underwater pile top elevation measuring device according to claim 1, characterized in that: The liquid level meter (6) is an ultrasonic liquid level meter.

9. The underwater pile top elevation measuring device according to claim 1, characterized in that: The liquid level meter (6) is connected to a display device via an electrical signal.

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