Pile sinking and pile feeding device and method for sinking inclined steel pipe pile into mud

Abstract

The application discloses a kind of into mud inclined steel pipe pile sinking and pile sending device and method, it is related to steel pipe pile sinking and pile sending technical field;The present application includes when vertical downward movement of vertical drop rod, drive hydraulic clutch mechanism to carry out hydraulic action, the hydraulic action of hydraulic clutch mechanism is at the top of buffer cavity, buffer mechanism is pushed down, while let the hydraulic action of buffer cavity top act on hydraulic clutch mechanism, for separating activity of hydraulic clutch mechanism and buffer mechanism, when the present application vertical drop rod is down, hydraulic clutch mechanism is separated from buffer mechanism under the action of hydraulic pressure, so that hammering vibration is isolated in pile sending hammer and vertical drop rod end, cannot be transmitted to T type support rod and frame, block vibration on transmission path, solve the problem that traditional device needs manual operation supporting device locking and unlocking.

Description

Technical Field

[0001] This invention relates to the field of steel pipe pile driving and driving technology, specifically to a device and method for driving and driving inclined steel pipe piles into mud. Background Technology

[0002] In the construction of inclined steel pipe pile driving and driving, traditional driving devices mostly adopt the operation method of direct impact between rigid driving rod and hammer body. The instantaneous impact reaction force generated during pile driving will be directly transmitted to the pile frame, support rod and vehicle frame structure, which can easily cause problems such as excessive equipment vibration and structural fatigue damage. Some inclined steel pipe pile driving devices, such as the closest existing technology CN117026967B, require manual operation of the locking and unlocking of the support device during the pile driving process to switch between rigid positioning and free hinge state. This mode has defects such as operation lag and untimely switching. Especially when the pile is driven by high-energy hammer, the support is in an undamped free state after manual unlocking, which cannot suppress impact rebound and sway, resulting in damage to the pile frame. To address the aforementioned problems, the inventors have proposed a device and method for driving inclined steel pipe piles into the mud. Summary of the Invention

[0003] To address the issue of manually operating the locking and unlocking of the support device in inclined steel pipe pile driving devices, the present invention aims to provide a driving device and method for inclined steel pipe piles driven into mud.

[0004] To solve the above technical problems, the present invention adopts the following technical solution: a pile driving and driving device for inclined steel pipe piles driven into mud, comprising a frame, a cable winding mechanism and a descent bar, wherein a T-shaped support rod is rotatably connected to the top of the frame, a cable is wound on the cable winding mechanism, the cable passes through the top of the T-shaped support rod and is connected to the top of the descent bar, and a pile driving hammer is slidably connected to the bottom of the descent bar. The bottom of the descent rod is provided with an oil chamber, and the top piston of the pile driving hammer is slidably connected to the inner wall of the oil chamber. The T-shaped support rod has a pressure relief chamber inside, and a buffer mechanism is slidably connected inside the pressure relief chamber. A third bellows pipe connects the oil chamber and the pressure relief chamber. A hydraulic clutch mechanism is separately connected to the outer wall of the buffer mechanism. The hydraulic clutch mechanism is connected to the outer wall of the descent rod, and one end of the hydraulic clutch mechanism is connected to the top of the pressure relief chamber. When the pile-driving hammer falls to drive the pile, the impact reaction force pushes the hydraulic oil inside the oil chamber to flow, and the hydraulic oil passes through the bottom of the third bellows and the pressure relief chamber. When the descent bar moves vertically downward, it drives the hydraulic clutch mechanism to perform hydraulic action. The hydraulic action of the hydraulic clutch mechanism is on the top of the pressure relief chamber, so that the buffer mechanism is in a flexible adaptive state. At the same time, the hydraulic action of the top of the pressure relief chamber is applied to the hydraulic clutch mechanism to separate the hydraulic clutch mechanism from the buffer mechanism.

[0005] Preferably, the cable winding mechanism includes a drive motor and a drum, the drum being rotatably connected to the top of the frame, the drive motor being mounted on the top outer wall of the frame, the output shaft of the drive motor being connected to the rotating shaft of the drum, and one end of the T-shaped support rod being wound around the outer wall of the drum.

[0006] Preferably, a support frame is fixedly connected to the top of the frame, and a hydraulic cylinder is fixedly connected to the top of the support frame. The output end of the hydraulic cylinder is rotatably connected to the outer wall of the T-shaped support rod, and the outer wall of the T-shaped support rod is rotatably connected to the top of the support frame.

[0007] Preferably, the hydraulic clutch mechanism includes a telescopic hose, a sliding connecting block, and a groove block. The telescopic hose is fixedly connected to the outer wall of the descent rod. A first corrugated pipe is connected to the outer wall of the telescopic hose. One end of the first corrugated pipe is connected to the top of the pressure relief chamber. A sliding ring is connected to the bottom of the telescopic hose. The descent rod is slidably connected to the sliding ring. The sliding connecting block is fixedly connected to the sliding ring, the groove block is slidably connected to the outer wall of the sliding connecting block, the groove block is connected to the buffer mechanism, and a first spring is provided between the groove block and the sliding connecting block.

[0008] Preferably, a limiting hole block is fixedly connected to the top of the sliding connecting block, a mounting shell is provided on the top of the groove block, a U-shaped sliding block is slidably connected inside the mounting shell, a second spring is provided inside the mounting shell, and the U-shaped sliding block and the limiting hole block are engaged in a limiting fit.

[0009] Preferably, one end of the U-shaped sliding block is provided with a bevel, which facilitates the insertion of the U-shaped sliding block into the interior of the limiting hole block.

[0010] Preferably, a second corrugated pipe is connected to the outer wall of the first corrugated pipe, one end of the second corrugated pipe is fixedly connected to the top of the limiting hole block, and the top of the U-shaped sliding block is slidably connected to the inside of the second corrugated pipe.

[0011] Preferably, the buffer mechanism includes a movable plate and a pressure plate. The movable plate is slidably connected inside the pressure relief chamber. Protruding rods extend from both sides of the movable plate. A sleeve is slidably connected to the outer wall of the protruding rod. A third spring is provided inside the sleeve. The pressure plate is fixedly connected to one end of the sleeve. The pressure plate is slidably connected to the inner wall of the pressure relief chamber. The outer wall of the movable plate is fixedly connected to the groove block.

[0012] Preferably, the pressure relief chamber is internally fixedly connected to two partitions, which are distributed at the top and bottom of the pressure relief chamber.

[0013] A method for using a pile driving and feeding device for inclined steel pipe piles driven into mud includes the following steps: Step 1: Lower the descent bar and pile driver using the cable winding mechanism; Step two: When the pile hammer falls onto the steel pipe to drive the pile, it will generate an impact and form a reaction force. At the same time, the plumb line and the pile hammer slide against each other, allowing the hydraulic pressure at the bottom of the plumb line to be transmitted. Step 3: When the descent bar moves vertically downwards, it drives the hydraulic clutch mechanism to perform hydraulic action, allowing the hydraulic pressure at the top of the pressure relief chamber to act on the hydraulic clutch mechanism, which is used to separate the hydraulic clutch mechanism from the buffer mechanism, thereby reducing the transmission of vibration to the T-shaped support and the frame.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. When the vertical rod and the pile hammer of this invention move downward, the hydraulic clutch mechanism automatically separates from the buffer mechanism under hydraulic action, so that the hammering vibration is isolated at the end of the pile hammer and the vertical rod and cannot be transmitted upward to the T-shaped support and the frame. This blocks the vibration from the transmission path and solves the problem of the traditional device requiring manual operation of the locking and unlocking of the support device.

[0015] 2. The reaction force generated by the pile driving hammer of the present invention pushes the hydraulic oil in the oil chamber through the piston, and drives the buffer mechanism to act through hydraulic transmission. With the help of the third spring damping energy absorption, the impact energy is converted into the kinetic energy of the hydraulic oil and the hydraulic oil flows, which greatly reduces the transmission of the impact reaction force to the T-shaped support and the frame, reduces structural vibration and fatigue damage, and improves the service life of the equipment. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1This is a schematic diagram of the overall structure of the present invention.

[0018] Figure 2 This is a schematic diagram of the vertical drop bar and pile driving hammer structure of the present invention.

[0019] Figure 3 This is a schematic diagram of the internal structure of the T-shaped support rod of the present invention.

[0020] Figure 4 This is a schematic diagram of the buffer mechanism of the present invention.

[0021] Figure 5 This is a schematic diagram of the hydraulic clutch mechanism of the present invention.

[0022] Figure 6 This is a schematic diagram of the sliding connection block structure of the present invention.

[0023] Figure 7 This is a schematic diagram of the telescopic hose structure of the present invention.

[0024] Figure 8 For the present invention Figure 7 A schematic diagram of the structure at point A in the middle.

[0025] In the diagram: 1. Chassis; 2. Cable winding mechanism; 3. Cable; 4. Hydraulic cylinder; 5. Bearing frame; 6. T-shaped support rod; 7. Drop bar; 8. Pile hammer; 9. Hydraulic clutch mechanism; 91. Telescopic hose; 92. First corrugated pipe; 93. Second corrugated pipe; 94. Sliding connecting block; 940. Limiting hole block; 95. Groove block; 96. First spring; 97. Sliding ring; 98. U-shaped sliding block; 980. Inclined bevel; 99. Second spring; 10. Third corrugated pipe; 11. Buffer mechanism; 110. Moving plate; 111. Sleeve; 112. Pressure plate; 113. Third spring; 12. Partition plate. Detailed Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] like Figure 1 - Figure 8 As shown, the present invention provides a pile driving device for inclined steel pipe piles driven into mud, including a frame 1, a cable winding mechanism 2 and a descent rod 7. A T-shaped support rod 6 is rotatably connected to the top of the frame 1. A cable 3 is wound on the cable winding mechanism 2. The cable 3 passes through the top of the T-shaped support rod 6 and is connected to the top of the descent rod 7. A pile driving hammer 8 is slidably connected to the bottom of the descent rod 7. The bottom of the drop bar 7 is provided with an oil chamber, and the top piston of the pile driving hammer 8 is slidably connected to the inner wall of the oil chamber; The T-shaped support rod 6 has a pressure relief chamber inside, and a buffer mechanism 11 is slidably connected inside the pressure relief chamber. A third bellows 10 connects the oil chamber and the pressure relief chamber. A hydraulic clutch mechanism 9 is separately connected to the outer wall of the buffer mechanism 11. The hydraulic clutch mechanism 9 is connected to the outer wall of the drop bar 7, and one end of the hydraulic clutch mechanism 9 is connected to the top of the pressure relief chamber. When the pile driving hammer 8 falls to drive the pile, the impact reaction force pushes the hydraulic oil inside the oil chamber to flow, and the hydraulic oil passes through the third bellows 10 and the bottom of the pressure relief chamber. When the descent bar 7 moves vertically downward, it drives the hydraulic clutch mechanism 9 to perform hydraulic action. The hydraulic action of the hydraulic clutch mechanism 9 is on the top of the pressure relief chamber, so that the buffer mechanism 11 is in a flexible adaptive state. At the same time, the hydraulic action of the top of the pressure relief chamber is applied to the hydraulic clutch mechanism 9 to separate the hydraulic clutch mechanism 9 from the buffer mechanism 11.

[0028] The cable winding mechanism 2 includes a drive motor and a drum. The drum is rotatably connected to the top of the frame 1. The drive motor is mounted on the top outer wall of the frame 1. The output shaft of the drive motor is connected to the rotating shaft of the drum. One end of the T-shaped support rod 6 is wound around the outer wall of the drum. The purpose of this setup is to combine Figure 1 As shown, the output shaft of the drive motor drives the drum to rotate, thereby driving the drum to wind and release the cable 3. The cable 3 slides through the T-shaped support rod 6, driving the descent rod 7 to perform lifting and lowering operations.

[0029] A support frame 5 is fixedly connected to the top of the frame 1, and a hydraulic cylinder 4 is fixedly connected to the top of the support frame 5. The output end of the hydraulic cylinder 4 is rotatably connected to the outer wall of the T-shaped support rod 6, and the outer wall of the T-shaped support rod 6 is rotatably connected to the top of the support frame 5. The purpose of this setup is to control the extension and retraction of the output end of the hydraulic cylinder 4, thereby rotating the T-shaped support rod 6 around the top fulcrum of the support frame 5, tilting the T-shaped support rod 6, and thus adjusting the pile driving angle of the T-shaped support rod 6 and the pile driving hammer 8. Figure 1 As shown.

[0030] The hydraulic clutch mechanism 9 includes a telescopic hose 91, a sliding connecting block 94, and a groove block 95. The telescopic hose 91 is fixedly connected to the outer wall of the vertical rod 7. A first corrugated pipe 92 is connected to the outer wall of the telescopic hose 91. One end of the first corrugated pipe 92 is connected to the top of the pressure relief chamber. A sliding ring 97 is connected to the bottom of the telescopic hose 91. The vertical rod 7 is slidably connected to the sliding ring 97. The sliding connecting block 94 is fixedly connected to the sliding ring 97, the groove block 95 is slidably connected to the outer wall of the sliding connecting block 94, the groove block 95 is connected to the buffer mechanism 11, and a first spring 96 is provided between the groove block 95 and the sliding connecting block 94. The purpose of this setting is... Figure 3 and Figure 5 As shown, when the descent rod 7 moves downward to perform the pile driving action, the descent rod 7 slides along the inner side of the sliding ring 97. The descent rod 7 drives the telescopic hose 91 to squeeze against the sliding ring 97. The weight of the descent rod 7 drives the telescopic hose 91 to descend rapidly, squeezing the sliding ring 97. The internal hydraulic oil is pushed towards the buffer mechanism 11 through the first bellows 92. The telescopic hose 91 and the first bellows 92 can extend and retract a long distance, generating an impact at the bottom of the descent rod 7. When subjected to the reaction force, the descent rod 7 rebounds and moves upward. During this process, the internal oil circuit of the descent rod 7 and the telescopic hose 91 plays a damping role to reduce the vibration generated by the reaction force.

[0031] The top of the sliding connecting block 94 is fixedly connected to the limiting hole block 940, the top of the groove block 95 is provided with a mounting shell, the inside of the mounting shell is slidably connected to the U-shaped sliding block 98, the inside of the mounting shell is provided with a second spring 99, and the U-shaped sliding block 98 and the limiting hole block 940 are engaged in limiting cooperation. The purpose of this setup is to combine Figure 5 - Figure 8 As shown, the U-shaped sliding block 98 is inserted into the limiting hole block 940 by the tension of the second spring 99, which fixes the sliding connecting block 94 and the groove block 95 for the tightness before and after pile driving.

[0032] One end of the U-shaped sliding block 98 is provided with a bevel 980, which makes it easy to insert the U-shaped sliding block 98 into the interior of the limiting hole block 940; The purpose of this design is to allow the U-shaped sliding block 98 to slide along the outer wall of the sliding connecting block 94 when the groove block 95 slides along the outer wall of the sliding connecting block 94. The U-shaped sliding block 98 then moves along the slope of the groove 980, pushing the U-shaped sliding block 98. The U-shaped sliding block 98 then engages with the interior of the limiting hole block 940, facilitating locking and fixing. Figure 5 As shown, the sliding stroke of the groove block 95 and the sliding connecting block 94 is determined according to the pile driving stroke of the pile driving hammer 8, based on the specific requirements of the actual situation.

[0033] The outer wall of the first corrugated pipe 92 is connected to the second corrugated pipe 93. One end of the second corrugated pipe 93 is fixedly connected to the top of the limiting hole block 940, and the top of the U-shaped sliding block 98 is slidably connected to the inside of the second corrugated pipe 93. The purpose of this setting is to push the U-shaped sliding block 98 to move under the internal hydraulic pressure of the second bellows 93, thereby realizing the automatic unlocking of the U-shaped sliding block 98 against the limiting hole block 940; After the pile driving is completed, the pile driving impact is no longer generated, and the hydraulic pressure is restored to the initial state. The groove block 95 and the sliding connecting block 94 slide relative to each other. The tension of the second spring 99 causes the U-shaped sliding block 98 to be inserted back into the limiting hole block 940, thus fixing the sliding connecting block 94 and the groove block 95.

[0034] The buffer mechanism 11 includes a movable plate 110 and a pressure plate 112. The movable plate 110 is slidably connected inside the pressure relief chamber to adapt to the hydraulic imbalance between the top and bottom of the pressure relief chamber, allowing the buffer mechanism 11 to move adaptively inside the pressure relief chamber under hydraulic action. The movable plate 110 has protruding rods extending from both sides, and a sleeve 111 is slidably connected to the outer wall of the protruding rods. A third spring 113 is installed inside the sleeve 111. The pressure plate 112 is fixedly connected to one end of the sleeve 111 and slidably connected to the inner wall of the pressure relief chamber. The outer wall of the movable plate 110 is fixedly connected to the groove block 95. The purpose of this design is that when the pile driving hammer 8 falls vertically to drive the pile, after the pile driving hammer 8 hits the steel pipe, under the action of falling inertia and gravity, the drop rod 7 continues to slide relative to the top piston of the pile driving hammer 8, thereby pushing the hydraulic oil inside the drop rod 7 through the third bellows 10 to the interior of the pressure relief chamber, pushing the pressure plate 112 at the bottom of the pressure relief chamber, forming a hydraulic damping cooperation with the pressure plate 112 at the top, and forming a bidirectional hydraulic damping with the hydraulic pressure at the top of the pressure relief chamber, which, together with the third spring 113, achieves composite buffering and energy absorption. The two pressure plates 112 move towards each other, cooperating with the third spring 113 for buffering. In combination with the above, during this process, under the internal hydraulic action of the second corrugated pipe 93, the U-shaped sliding block 98 is pushed to move, thereby realizing the automatic unlocking of the U-shaped sliding block 98 on the limiting hole block 940. In these two processes, after the pile hammer 8 impacts the steel pipe, the two steps are carried out simultaneously under the influence of the reaction force. On the one hand, after the pile driving hammer 8 impacts the steel pipe, it is buffered by the downward pressure of the vertical rod 7. This weakens the vibration of the pile driving hammer 8 itself and transmits it to the vertical rod 7. The energy involved in the vibration of gravitational potential energy and its reaction force is converted into the energy of hydraulic oil kinetic energy, which is used to further weaken the hammering vibration and transmit it to the frame 1, thereby reducing the impact of vibration on the frame 1 and the structure on the frame 1.

[0035] The pressure relief chamber is internally fixedly connected to two partitions 12, which are distributed at the top and bottom of the pressure relief chamber. The purpose of this design is to limit the stroke and create a suitable stroke space with the interior of the pressure relief chamber for hydraulic stabilization.

[0036] A method for using a pile driving and feeding device for inclined steel pipe piles driven into mud includes the following steps: Step 1: The descent rod 7 and the pile driver 8 are lowered using the cable winding mechanism 2. Step 2: When the pile hammer 8 falls onto the steel pipe to drive the pile, it will generate an impact and form a reaction force. At the same time, the plumb rod 7 and the pile hammer 8 slide against each other, allowing the hydraulic pressure at the bottom of the plumb rod 7 to be transmitted. Step 3: When the descent bar 7 moves vertically downward, it drives the hydraulic clutch mechanism 9 to perform hydraulic action, so that the hydraulic pressure at the top of the pressure relief chamber acts on the hydraulic clutch mechanism 9 to separate the hydraulic clutch mechanism 9 from the buffer mechanism 11, thereby reducing the transmission of vibration to the T-shaped support bar 6 and the frame 1.

[0037] Working principle: At a construction site in China, when it is necessary to drive steel pipe piles, the equipment of this application can be moved to the required position and its technical solution can be implemented. By controlling the extension and retraction of the output end of the hydraulic cylinder 4, the T-shaped support rod 6 is driven to rotate around the top fulcrum of the bearing frame 5, and the T-shaped support rod 6 is tilted, thereby adjusting the driving angle of the T-shaped support rod 6 and the driving hammer 8, which can be used for inclined driving. In the initial state, the driving hammer 8 is close to the steel pipe pile. The output shaft of the drive motor drives the drum to rotate, thereby driving the drum to wind and release the cable 3. The cable 3 slides through the T-shaped support rod 6, driving the descent rod 7 and the pile hammer 8 to perform an upward and then downward operation. When the descent rod 7 moves downward to perform the pile driving action, the descent rod 7 slides along the inner side of the sliding ring 97. The descent rod 7 drives the telescopic hose 91 to squeeze against the sliding ring 97. The weight of the descent rod 7 drives the telescopic hose 91 to descend rapidly, squeezing the sliding ring 97. The internal hydraulic oil is pushed towards the buffer mechanism 11 through the first bellows 92. The telescopic hose 91 and the first bellows 92 can extend and retract a long distance, generating an impact at the bottom of the descent rod 7. When subjected to the reaction force, the descent rod 7 rebounds and moves upward. During this process, the internal oil circuit of the descent rod 7 and the telescopic hose 91 plays a damping role to reduce the vibration generated by the reaction force. Before and after the device delivers the pile, the U-shaped sliding block 98 is inserted into the limiting hole block 940 by the tension of the second spring 99, which fixes the sliding connecting block 94 and the groove block 95, so that the descent rod 7 and the pile hammer 8 remain stable with the vehicle. When the pile driving hammer 8 falls vertically to drive the pile, after the pile driving hammer 8 hits the steel pipe, under the action of falling inertia and gravity, the drop rod 7 continues to slide relative to the top piston of the pile driving hammer 8, thereby pushing the hydraulic oil inside the drop rod 7 through the third bellows 10 to the interior of the pressure relief chamber, pushing the pressure plate 112 at the bottom of the pressure relief chamber, forming a hydraulic damping cooperation with the pressure plate 112 at the top, and forming a bidirectional hydraulic damping with the hydraulic pressure at the top of the pressure relief chamber, which, together with the third spring 113, achieves composite buffering and energy absorption. The two pressure plates 112 move towards each other, and the third spring 113 provides buffering. In summary, during this process, Figure 7 and Figure 8 As shown, under the internal hydraulic action of the second bellows 93, the U-shaped sliding block 98 is pushed to move, thereby realizing the automatic unlocking of the U-shaped sliding block 98 to the limiting hole block 940. In these two processes, after the pile hammer 8 impacts the steel pipe, the two steps are carried out simultaneously under the influence of the reaction force. At this time, the sliding connecting block 94 and the groove block 95 are in a relative sliding state, which can maintain the connection stability, prevent the vertical rod 7 and the pile hammer 8 from deviating, and maintain the accuracy of pile delivery. When the vertical rod 7 is vibrated, it drives the sliding connecting block 94 and the groove block 95 to slide relative to each other, thereby avoiding the vibration from being transmitted to the groove block 95, the T-shaped support rod 6 and the frame 1. On the one hand, after the pile driving hammer 8 impacts the steel pipe, it is buffered by the downward pressure of the vertical rod 7. This weakens the vibration of the pile driving hammer 8 itself and transmits it to the vertical rod 7. On the other hand, the energy of the vibration involving gravitational potential energy and its reaction force is converted into the kinetic energy of hydraulic oil, which is used to further weaken the hammering vibration transmitted to the frame 1 and reduce the impact of vibration on the frame 1 and the structure on the frame 1.

[0038] All standard mechanical parts used in this invention can be purchased commercially, and irregularly shaped parts can be custom-made according to the description and drawings. The specific mechanical connection methods for each part can employ conventional methods such as bolts, rivets, and welding, which are already well-established in the prior art. For motors and other mechanical parts or various electronic components involved in circuitry involved in this invention, the related circuit connections adopt conventional circuit topologies and control principles in the prior art. The corresponding circuit models and operating logic are clearly understood and skillfully applied by those skilled in the art, and will not be detailed here.

[0039] The standard mechanical parts used in this invention, including but not limited to fasteners, motors, and hydraulic pumps, are all commercially available standard products known in the relevant technical field and can be directly purchased from market channels. Irregularly shaped parts can be custom-made according to the structural descriptions in this specification and accompanying drawings.

[0040] Obviously, those skilled in the art can make various modifications and variations to this invention without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this invention and their equivalents, this invention also intends to include these modifications and variations.

Claims

1. A pile driving device for inclined steel pipe piles driven into mud, comprising a frame (1), a cable winding mechanism (2), and a drop bar (7), wherein a T-shaped support rod (6) is rotatably connected to the top of the frame (1), a cable (3) is wound around the cable winding mechanism (2), and the cable (3) is connected to the top of the drop bar (7) through the top of the T-shaped support rod (6), characterized in that: The bottom of the descent bar (7) is slidably connected to a pile driver (8). The bottom of the descent rod (7) is provided with an oil cavity, and the top piston of the pile driving hammer (8) is slidably connected to the inner wall of the oil cavity; The T-shaped support rod (6) has a pressure relief chamber inside, and a buffer mechanism (11) is slidably connected inside the pressure relief chamber. A third bellows (10) connects the oil chamber and the pressure relief chamber. A hydraulic clutch mechanism (9) is separately connected to the outer wall of the buffer mechanism (11). The hydraulic clutch mechanism (9) is connected to the outer wall of the descent rod (7). One end of the hydraulic clutch mechanism (9) is connected to the top of the pressure relief chamber. When the pile driving hammer (8) falls to drive the pile, the impact reaction force pushes the hydraulic oil inside the oil chamber to flow, and the hydraulic oil passes through the third bellows (10) and the bottom of the pressure relief chamber. When the descent bar (7) moves vertically downward, it drives the hydraulic clutch mechanism (9) to perform hydraulic action. The hydraulic action of the hydraulic clutch mechanism (9) is on the top of the pressure relief chamber, so that the buffer mechanism (11) is in a flexible adaptive state. At the same time, the hydraulic action of the top of the pressure relief chamber is applied to the hydraulic clutch mechanism (9) to separate the hydraulic clutch mechanism (9) from the buffer mechanism (11).

2. The inclined steel pipe pile driving and feeding device for driving piles into mud as described in claim 1, characterized in that, The cable winding mechanism (2) includes a drive motor and a drum. The drum is rotatably connected to the top of the frame (1). The drive motor is mounted on the top outer wall of the frame (1). The output shaft of the drive motor is connected to the rotating shaft of the drum. One end of the T-shaped support rod (6) is wound around the outer wall of the drum.

3. The inclined steel pipe pile driving and feeding device for driving piles into mud as described in claim 1, characterized in that, The top of the frame (1) is fixedly connected to a support frame (5), and the top of the support frame (5) is fixedly connected to a hydraulic cylinder (4). The output end of the hydraulic cylinder (4) is rotatably connected to the outer wall of the T-shaped support rod (6), and the outer wall of the T-shaped support rod (6) is rotatably connected to the top of the support frame (5).

4. The inclined steel pipe pile driving and feeding device for driving piles into mud as described in claim 1, characterized in that, The hydraulic clutch mechanism (9) includes a telescopic hose (91), a sliding connecting block (94), and a groove block (95). The telescopic hose (91) is fixedly connected to the outer wall of the descent rod (7). A first corrugated pipe (92) is connected to the outer wall of the telescopic hose (91). One end of the first corrugated pipe (92) is connected to the top of the pressure relief chamber. A sliding ring (97) is connected to the bottom of the telescopic hose (91). The descent rod (7) is slidably connected to the sliding ring (97). The sliding connecting block (94) is fixedly connected to the sliding ring (97), the groove block (95) is slidably connected to the outer wall of the sliding connecting block (94), the groove block (95) is connected to the buffer mechanism (11), and a first spring (96) is provided between the groove block (95) and the sliding connecting block (94).

5. The inclined steel pipe pile driving and feeding device for driving piles into mud as described in claim 4, characterized in that, The top of the sliding connecting block (94) is fixedly connected to a limiting hole block (940), the top of the groove block (95) is provided with a mounting shell, the inside of the mounting shell is slidably connected to a U-shaped sliding block (98), the inside of the mounting shell is provided with a second spring (99), and the U-shaped sliding block (98) and the limiting hole block (940) are mutually limiting.

6. The inclined steel pipe pile driving and feeding device for driving piles into mud as described in claim 5, characterized in that, One end of the U-shaped sliding block (98) is provided with a bevel (980) to facilitate the insertion of the U-shaped sliding block (98) into the interior of the limiting hole block (940).

7. The inclined steel pipe pile driving and feeding device for driving piles into mud as described in claim 6, characterized in that, The outer wall of the first corrugated pipe (92) is connected to the second corrugated pipe (93), one end of the second corrugated pipe (93) is fixedly connected to the top of the limiting hole block (940), and the top of the U-shaped sliding block (98) is slidably connected to the inside of the second corrugated pipe (93).

8. The inclined steel pipe pile driving and feeding device for driving piles into mud as described in claim 1, characterized in that, The buffer mechanism (11) includes a movable plate (110) and a pressure plate (112). The movable plate (110) is slidably connected to the inside of the pressure relief chamber. The movable plate (110) has protruding rods extending from both sides. A sleeve (111) is slidably connected to the outer wall of the protruding rod. A third spring (113) is provided inside the sleeve (111). The pressure plate (112) is fixedly connected to one end of the sleeve (111). The pressure plate (112) is slidably connected to the inner wall of the pressure relief chamber. The outer wall of the movable plate (110) is fixedly connected to the groove block (95).

9. The inclined steel pipe pile driving and feeding device for driving piles into mud as described in claim 8, characterized in that, The pressure relief chamber is fixedly connected to two partitions (12), which are distributed at the top and bottom of the pressure relief chamber.

10. The method for using the pile driving and feeding device for inclined steel pipe piles driven into mud as described in any one of claims 1-9, characterized in that, The following steps are required: Step 1: The descent rod (7) and the pile driver (8) are lowered using the cable winding mechanism (2); Step 2: When the pile hammer (8) falls onto the steel pipe to drive the pile, it will generate an impact and form a reaction force. At the same time, the drop bar (7) and the pile hammer (8) slide against each other, allowing the oil pressure at the bottom of the drop bar (7) to be transmitted. Step 3: When the descent bar (7) moves vertically downward, it drives the hydraulic clutch mechanism (9) to perform hydraulic action, so that the hydraulic pressure at the top of the pressure relief chamber acts on the hydraulic clutch mechanism (9) to separate the hydraulic clutch mechanism (9) from the buffer mechanism (11) and reduce the transmission of vibration to the T-shaped support rod (6) and the frame (1).

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