Sleeve type underwater pile foundation cutting equipment and cutting process

Abstract

The invention relates to sleeve type underwater pile foundation cutting equipment which comprises a cutting sleeve, a mounting seat is mounted at one end of the cutting sleeve, mounting cavities are formed in the two sides of the mounting seat, lower positioning assemblies are mounted in the mounting cavities, a placement groove is formed in the end, located in the cutting sleeve, of the mounting seat, and a rope saw is placed in the placement groove. A middle guide wheel assembly is installed in the middle of the cutting sleeve, an upper positioning assembly is installed at the rear end of the cutting sleeve, the two ends of the rope saw are guided by the lower positioning assembly, the middle guide wheel assembly and the upper positioning assembly and then connected with the cutting machine assembly, a sprayer is arranged on one side of the installation cavity and connected with a water spraying assembly, and the water spraying assembly is installed on the cutting sleeve. According to the scheme, the underwater pile foundation is cut through the mechanical semi-automatic rope saw, and the original underwater cutting process conducted through manual diving is replaced; even, the device can sink into sludge for cutting; and underwater pile foundations of various structures can be achieved, safety, high efficiency and low cost are achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of underwater cutting equipment, and in particular relates to a casing type underwater pile foundation cutting equipment and a cutting process. Background Art

[0002] In the removal of the original pile foundations in marine engineering projects such as offshore bridges, docks, and ports, the columns must be cut off because they are buried deep underwater, otherwise they are difficult to remove. Traditional cutting requires personnel to perform underwater cutting operations. On the one hand, the depth is limited, and only a part can be cut. For example, the part close to the silt cannot be cut manually, resulting in incomplete cutting and easy ship running aground, which is very dangerous. On the other hand, many columns have a large diameter, more than one meter or even larger, and it is difficult to complete them with simple underwater operations. The operation cost is high and the risk factor for the operators is high. Summary of the invention

[0003] The purpose of the present invention is to provide a casing type underwater pile foundation cutting device and cutting process with simple structure and reasonable design in order to solve the above problems.

[0004] The present invention achieves the above-mentioned purpose through the following technical solutions:

[0005] A casing-type underwater pile foundation cutting device comprises a cutting sleeve, a mounting seat is installed at one end of the cutting sleeve, mounting cavities are provided on both sides of the mounting seat, a lower positioning assembly is installed inside the mounting cavity, a placement groove is provided inside the mounting seat at one end of the cutting sleeve, a rope saw is placed inside the placement groove, a middle guide wheel assembly is installed in the middle of the cutting sleeve, an upper positioning assembly is installed at the rear end of the cutting sleeve, both ends of the rope saw are connected to the cutting machine assembly after being guided by the lower positioning assembly, the middle guide wheel assembly and the upper positioning assembly, a nozzle is provided on one side of the mounting cavity, the nozzle is connected to the water spray assembly, and the water spray assembly is installed on the cutting sleeve.

[0006] Preferably, the mounting seat is provided with locking assemblies on multiple sides inside one end of the cutting sleeve, the locking assembly comprises a mounting hole, a mounting plate is installed inside the mounting hole, a locking cylinder is installed on the mounting plate, and the output end of the locking cylinder is connected to the locking plate.

[0007] Preferably, the cutting sleeve is provided with a plurality of observation holes, and the observation holes are evenly distributed along the length direction of the cutting sleeve.

[0008] Preferably, the water spray assembly includes a water pump, which is installed inside one end of the cutting sleeve. The output end of the water pump is connected to a water delivery pipe, which is installed on the cutting sleeve. The water delivery pipe is connected to a water distribution pipe, and both ends of the water distribution pipe pass through the mounting seat to connect to the nozzle.

[0009] Preferably, the lower positioning assembly includes a lower rotating shaft, which is rotatably installed in the installation cavity, and a lower rotating wheel is fixedly installed on the lower rotating shaft. Two adjacent lower limit wheels are provided below the lower rotating wheel, and the lower limit wheels are installed inside the installation cavity through a rotating shaft. The rope saw is limited by the two lower limit wheels.

[0010] Preferably, the middle guide wheel assembly includes two middle guide brackets, on which two adjacently distributed middle guide wheels are mounted, the rope saw passes through the two middle guide wheels and is limited, and the middle guide bracket is mounted on the cutting sleeve.

[0011] Preferably, the upper positioning assembly comprises an upper positioning bracket, the upper positioning bracket is mounted on the cutting sleeve, the upper positioning bracket is mounted with a mounting shaft, and two upper positioning wheels are rotatably mounted on the mounting shaft.

[0012] Preferably, the cutting machine assembly includes two turntables, the turntables are mounted on a driving shaft, the driving shaft is connected to a cutting motor, the driving shaft is rotatably mounted on a motor bracket, and the cutting motor is mounted on the motor bracket.

[0013] Preferably, support legs are installed along the circumference of the opening at the lower end of the cutting sleeve, and a sensor is installed between the two installation cavities.

[0014] A casing type underwater pile foundation cutting process, specifically comprising:

[0015] (1) Fix the wire saw inside the placement groove by means of a plastic rope or a plastic column, and use a crane to sleeve the cutting sleeve 1 onto the base column to be cut;

[0016] (2) Start the cutting machine assembly, drive the turntable to move through the cutting motor, and the turntable drives the rope saw 5 to tighten. The rope saw performs cyclic transmission under the guidance of the lower positioning assembly, the middle guide wheel assembly and the upper positioning assembly, and the rope saw cuts the base column;

[0017] (3) During the cutting process, the water pump in the water spray assembly pumps water and sprays water through the nozzle to flush the rope saw 5;

[0018] (4) When the base column is completely cut off, the rope saw is tightened and touches the sensor at the same time, and the locking cylinder of the locking assembly drives the locking plate to move inward, thereby clamping and locking the base column, thereby lifting the base column and preventing the cement base column from slipping.

[0019] The beneficial effects of the present invention are as follows: the present invention uses a mechanical semi-automatic rope saw to cut underwater pile foundations, replacing the original manual diving underwater cutting process; it can even sink into the mud for cutting; and underwater pile foundations of various structures can be realized, which is safe, efficient and low-cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the installation of the lower positioning assembly of the present invention;

[0022] Figure 3 yes Figure 2 The enlarged view of point A in the middle;

[0023] Figure 4 It is a schematic diagram of the installation of the support legs of the present invention.

[0024] In the figure: 1. cutting sleeve; 2. mounting seat; 3. mounting cavity; 4. placement slot; 5. rope saw; 6. nozzle; 7. mounting hole; 8. mounting plate; 9. locking plate; 10. observation hole; 11. water delivery pipe; 12. water distribution pipe; 13. lower rotating shaft; 14. lower rotating wheel; 15. lower limit wheel; 16. middle guide bracket; 17. middle guide wheel; 18. upper positioning bracket; 19. mounting shaft; 20. upper positioning wheel; 21. turntable; 22. cutting motor; 23. motor bracket; 24. support leg; 25. sensor. DETAILED DESCRIPTION

[0025] The present application is further described in detail below in conjunction with the accompanying drawings. It is necessary to point out here that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technical personnel in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0026] Example

[0027] like Figure 1 - Figure 4As shown, a casing-type underwater pile foundation cutting device comprises a cutting sleeve 1, the length of the cutting sleeve 1 can be adjusted according to the size and thickness of the foundation column to be cut, a mounting seat 2 is installed at one end of the cutting sleeve 1, mounting cavities 3 are arranged on both sides of the mounting seat 2, the mounting cavity 3 is communicated with the interior of the cutting sleeve 1, a lower positioning component is installed inside the mounting cavity 3, a placement groove 4 is arranged inside the mounting seat 2 at one end of the cutting sleeve 1, a wire saw 5 is placed inside the placement groove 4, a hard and sharp diamond is arranged on the wire saw 5, and the wire saw 5 is fixed inside the placement groove 4 by a plastic rope or a plastic column in the initial state, and the cutting sleeve A middle guide wheel assembly is installed in the middle of the barrel 1, and an upper positioning assembly is installed at the rear end of the cutting sleeve 1. The two ends of the rope saw 5 are connected to the cutting machine assembly after being guided by the lower positioning assembly, the middle guide wheel assembly and the upper positioning assembly, and the three are used for guiding and limiting. A nozzle 6 is provided on one side of the installation cavity 3, and the nozzle 6 is connected to a water spray assembly. The water spray assembly is installed on the cutting sleeve 1, and water is supplied through the water spray assembly, and then water is sprayed onto the rope saw 5 through the nozzle 6 to wash the rope saw 5, so as to prevent sand and stones from being attached to the rope saw 5 and prevent the rope saw 5 from being separated from the lower positioning assembly, the middle guide wheel assembly and the upper positioning assembly;

[0028] Among them, the mounting seat 2 is equipped with locking components on multiple sides inside one end of the cutting sleeve 1. This embodiment adopts four locking components. The locking components include a mounting hole 7, a mounting plate 8 is installed inside the mounting hole 7, and a locking cylinder is installed on the mounting plate 8. The output end of the locking cylinder is connected to the locking plate 9. When the cutting sleeve 1 is lowered to a suitable depth and the cutting is completed, the locking plate 9 is driven inward by the locking cylinder to clamp the locking base column, thereby lifting the base column to prevent the cement base column from slipping.

[0029] Among them, the cutting sleeve 1 is provided with a plurality of observation holes 10 , which are evenly distributed along the length direction of the cutting sleeve 1 , and the specific spacing is set according to needs. The position of the base column inside the cutting sleeve 1 can be observed through the observation holes 10 .

[0030] Among them, the water spray assembly includes a water pump, which is installed inside one end of the cutting sleeve 1. The output end of the water pump is connected to the water delivery pipe 11, which is installed on the cutting sleeve 1. The water delivery pipe 11 is connected to the water distribution pipe 12. Both ends of the water distribution pipe 12 pass through the mounting seat 2 to connect to the nozzle 6. Water is pumped by the water pump and transported to the nozzle 6 through the water delivery pipe 11 and the water distribution pipe 12. The nozzle 6 sprays water to flush the rope saw 5.

[0031] Among them, the lower positioning assembly includes a lower rotating shaft 13, which is rotatably installed in the installation cavity 3, and a lower rotating wheel 14 is fixedly installed on the lower rotating shaft 13. Two adjacent lower limit wheels 15 are provided below the lower rotating wheel 14. The lower limit wheels 15 are rotatably installed inside the installation cavity 3 through a rotating shaft. The rope saw 5 passes through the two lower limit wheels 15 and is limited to prevent the rope saw 5 from deviating.

[0032] Among them, the middle guide wheel assembly includes two middle guide brackets 16, on which two adjacently distributed middle guide wheels 17 are rotatably installed. The rope saw 5 passes through the two middle guide wheels 17 and is limited. The middle guide bracket 16 is installed on the cutting sleeve 1, and the middle guide wheel 17 can support and limit the rope saw 5.

[0033] Among them, the upper positioning assembly includes an upper positioning bracket 18, which is installed on the cutting sleeve 1. The upper positioning bracket 18 is installed with a mounting shaft 19, and two upper positioning wheels 20 are rotatably installed on the mounting shaft 19. The rope saw 5 is guided by the two upper positioning wheels 20, which facilitates the retraction and release of the taut rope saw 5.

[0034] Among them, the cutting machine assembly includes two turntables 21, the turntable 21 is installed on the driving shaft, the driving shaft is connected to the cutting motor 22, the driving shaft is rotatably installed on the motor bracket 23, the cutting motor 22 is installed on the motor bracket 23, the motor bracket 23 is installed on the upper end of the cutting sleeve 1, the rope saw 5 is wound on the turntable 21, and the turntable 21 is driven by the cutting motor 22 to be retracted and extended, thereby driving the movement of the rope saw 5, so as to cut the base column.

[0035] Among them, support legs 24 are installed along the circumference of the opening at the lower end of the cutting sleeve 1. The support legs 24 can facilitate the cleaning of gravel and also reinforce the outer side of the placement groove 4; a sensor 25 is installed between the two installation cavities 3, wherein the sensor 25 adopts a trigger sensor. When the rope saw 5 cuts off the base column, it will be tightened immediately and touch the sensor 25 at the same time, and the locking component will start to lock.

[0036] A casing type underwater pile foundation cutting process, specifically comprising:

[0037] (1) Fix the wire saw 5 in the placement groove 4 by means of a plastic rope or a plastic column, and use a crane to sleeve the cutting sleeve 1 on the base column to be cut;

[0038] (2) Start the cutting machine assembly, drive the rotary disk 21 to move through the cutting motor 22, and the rotary disk 21 drives the rope saw 5 to be tightened. The rope saw 5 performs a cyclic transmission under the guidance of the lower positioning assembly, the middle guide wheel assembly and the upper positioning assembly, and the rope saw 5 cuts the base column;

[0039] (3) During the cutting process, the water pump in the water spray assembly pumps water and sprays water through the nozzle 6 to flush the rope saw 5;

[0040] (4) When the base column is completely cut off, the rope saw 5 is tightened and touches the sensor 25 at the same time, and the locking cylinder of the locking assembly drives the locking plate 9 to move inward, thereby clamping and locking the base column, thereby lifting the base column and preventing the cement base column from sliding off.

[0041] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A casing-type underwater pile foundation cutting device, comprising a cutting sleeve, characterized in that: A mounting seat is installed at one end of the cutting sleeve, mounting cavities are provided on both sides of the mounting seat, a lower positioning assembly is installed inside the mounting cavity, a placement groove is provided inside one end of the cutting sleeve of the mounting seat, a rope saw is placed inside the placement groove, a middle guide wheel assembly is installed in the middle of the cutting sleeve, an upper positioning assembly is installed at the rear end of the cutting sleeve, both ends of the rope saw are connected to the cutting machine assembly after being guided by the lower positioning assembly, the middle guide wheel assembly and the upper positioning assembly, a nozzle is provided on one side of the mounting cavity, the nozzle is connected to the water spray assembly, and the water spray assembly is installed on the cutting sleeve.

2. The casing-type underwater pile foundation cutting equipment according to claim 1, characterized in that: The mounting seat is provided with locking components on multiple sides inside one end of the cutting sleeve. The locking components include a mounting hole, a mounting plate is installed inside the mounting hole, a locking cylinder is installed on the mounting plate, and the output end of the locking cylinder is connected to the locking plate.

3. The casing-type underwater pile foundation cutting equipment according to claim 1, characterized in that: The cutting sleeve is provided with a plurality of observation holes, and the observation holes are evenly distributed along the length direction of the cutting sleeve.

4. The casing-type underwater pile foundation cutting equipment according to claim 1, characterized in that: The water spray assembly includes a water pump, which is installed inside one end of the cutting sleeve. The output end of the water pump is connected to a water delivery pipe, which is installed on the cutting sleeve. The water delivery pipe is connected to a water distribution pipe, and both ends of the water distribution pipe pass through a mounting seat to connect to a spray head.

5. The casing-type underwater pile foundation cutting equipment according to claim 1, characterized in that: The lower positioning assembly includes a lower rotating shaft, which is rotatably installed in the installation cavity. A lower rotating wheel is fixedly installed on the lower rotating shaft. Two adjacent lower limit wheels are provided below the lower rotating wheel. The lower limit wheels are installed in the installation cavity through a rotating shaft, and the rope saw is limited by the two lower limit wheels.

6. The casing-type underwater pile foundation cutting equipment according to claim 5, characterized in that: The middle guide wheel assembly includes two middle guide brackets, on which two adjacently distributed middle guide wheels are installed, the rope saw passes through the two middle guide wheels and is limited, and the middle guide bracket is installed on the cutting sleeve.

7. The casing-type underwater pile foundation cutting equipment according to claim 6, characterized in that: The upper positioning assembly comprises an upper positioning bracket, the upper positioning bracket is mounted on the cutting sleeve, the upper positioning bracket is mounted with a mounting shaft, and two upper positioning wheels are rotatably mounted on the mounting shaft.

8. The casing-type underwater pile foundation cutting equipment according to claim 7, characterized in that: The cutting machine assembly includes two turntables, the turntables are mounted on a driving shaft, the driving shaft is connected to a cutting motor, the driving shaft is rotatably mounted on a motor bracket, and the cutting motor is mounted on the motor bracket.

9. The casing-type underwater pile foundation cutting equipment according to claim 1, characterized in that: Support legs are installed along the circumference of the opening at the lower end of the cutting sleeve, and a sensor is installed between the two installation cavities.

10. A cutting process for a casing-type underwater pile foundation cutting device according to any one of claims 1 to 9, characterized in that: Specifically include: (1) Fix the wire saw inside the placement groove by means of a plastic rope or a plastic column, and use a crane to sleeve the cutting sleeve 1 onto the base column to be cut; (2) Start the cutting machine assembly, drive the turntable to move through the cutting motor, and the turntable drives the rope saw 5 to tighten. The rope saw performs cyclic transmission under the guidance of the lower positioning assembly, the middle guide wheel assembly and the upper positioning assembly, and the rope saw cuts the base column; (3) During the cutting process, the water pump in the water spray assembly pumps water and sprays water through the nozzle to flush the rope saw 5; (4) When the base column is completely cut off, the rope saw is tightened and touches the sensor at the same time, and the locking cylinder of the locking assembly drives the locking plate to move inward, thereby clamping and locking the base column, thereby lifting the base column and preventing the cement base column from slipping.

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