Amphibious spiral pile driver

Abstract

The utility model is suitable for the technical field of pile driver equipment, and provides an amphibious spiral pile driver which comprises a body, a plurality of spiral wheel cylinders are installed at the bottom of the body, spiral blades are installed on the spiral wheel cylinders, and cavities are formed in the spiral wheel cylinders. A driving device is mounted in the body, and the output end of the driving device is connected with the spiral wheel cylinder; a rotatable pedestal is installed at the top of the body, a rotating table is installed at the top of the pedestal, and an equipment bin, a cab and a piling arm are installed at the top of the rotating table. Fixing mechanisms capable of fixing the body on the ground are installed on the two sides of the body. Therefore, the spiral wheel cylinder rotates to drive the pile driver to freely move on the soft mire; the floating box and the spiral wheel cylinder at the bottom of the floating box provide upward floating force for the pile driver, and the pile driver is prevented from falling into mire. The pile driving arm can drive piles into the ground, the fixing mechanism can fix the whole machine body after the pile driver is in place, and the machine body is prevented from moving in the pile driving process.

Description

Technical Field

[0001] The utility model is applicable to the technical field of pile driving equipment and provides an amphibious spiral pile driver. Background Art

[0002] There are various types of pile drivers, such as static pile drivers: they use the pressure generated by a mechanical winch or hydraulic system to press the pile into the soil under continuous static pressure, and are used for all types of prefabricated piles with general bearing capacity.

[0003] However, in special sites such as soft soil, shallow rivers or swamps, the pile driver is easily sunk into the ground, making it difficult for the pile driver to escape and unable to perform operations in the above special occasions. Utility Model Content

[0004] In view of the above-mentioned defects, the purpose of the utility model is to provide an amphibious spiral pile driver, the purpose is to solve the problems raised in the background technology. The device includes a main body, a plurality of spiral wheel barrels are installed at the bottom of the main body, spiral blades are installed on the spiral wheel barrels, and a cavity is provided inside the spiral wheel barrels; a driving device is installed inside the main body, and the output end of the driving device is connected to the spiral wheel barrel; a rotatable base is installed on the top of the main body, a rotating table is installed on the top of the base, and an equipment compartment, a cab and a pile driving arm are installed on the top of the rotating table; fixing mechanisms for fixing the main body to the ground are installed on both sides of the main body.

[0005] Furthermore, two spiral wheel cylinders are provided on both sides of the bottom of the main body.

[0006] Furthermore, the fixing mechanism comprises a sleeve mounted on the body, a fixing pile is sleeved inside the sleeve, a driving device is mounted on the sleeve, and the driving device can drive the fixing pile to slide up and down.

[0007] Furthermore, a meshing portion is installed on the fixing pile, and the driving device is a driving gear, and the driving gear passes through a sleeve and meshes with the meshing portion.

[0008] Furthermore, the meshing portion includes a slide bar welding groove installed on a fixing pile, and cross bars are evenly arranged along the length direction of the slide bar welding groove.

[0009] Furthermore, the main body includes a central pontoon and elongated pontoons detachably connected to both sides of the central pontoon.

[0010] Furthermore, a connecting pipe is installed on the middle pontoon, and connecting pipe baffles are installed at both ends of the connecting pipe. A mounting pipe is installed on the long pontoon, and both ends of the mounting pipe are opened. The connecting pipe is inserted into the mounting pipe, and a baffle is installed at one end of the mounting pipe away from the middle pontoon, and the baffle is bolted to the connecting pipe baffle.

[0011] Furthermore, a second connecting seat and a hydraulic cylinder are hinged on the sleeve, and a first connecting seat is hinged on the other end of the hydraulic cylinder. Both the first connecting seat and the second connecting seat are mounted on the main body.

[0012] Furthermore, a third connecting seat is installed on the main body, and a roller is rotatably connected to the top of the third connecting seat.

[0013] Furthermore, telescopic cylinders and float arms hinged to the body are installed on both sides of the body, the float arm is hinged to one end of the telescopic cylinder away from the body, and a float is installed on one end of the float arm away from the body.

[0014] Thus, the rotation of the spiral drum at the bottom of the long pontoon can drive the pile driver to move freely on the soft mud; the pile driver can provide buoyancy through the spiral drum at the bottom of the long pontoon to avoid sinking into the mud. The pile driving arm can drive piles into the ground, and the fixing mechanism can fix the entire body of the pile driver after it is in place to prevent the body from moving during the pile driving process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of a pile driver;

[0016] Figure 2 This is a side view of the equipment warehouse;

[0017] Figure 3 This is a three-dimensional structural diagram of the pile driving arm;

[0018] Figure 4 It is a schematic diagram of the spiral wheel structure;

[0019] Figure 5 It is a side view of the main body and the spiral wheel barrel;

[0020] Figure 6 for Figure 1 A magnified view of the structure of part A;

[0021] Figure 7 for Figure 2 A magnified view of the structure of part B;

[0022] Figure 8 This is a structural diagram of the third connecting seat;

[0023] Fig. 9 Schematic diagram of the float mechanism structure;

[0024] Fig.10 This is the disassembly diagram of the main body;

[0025] Fig.11 It is a cross-sectional view of the connection structure between the connecting pipe and the mounting pipe;

[0026] Fig.12It is a schematic diagram of the fixed mechanism structure;

[0027] In the figure: 1-body; 101-middle pontoon; 1011-connecting pipe; 1012-connecting pipe baffle; 102-long pontoon; 1021-mounting pipe; 1022-baffle; 103-bolt; 104-nut; 11-inspection port; 12-guardrail; 13-pedestal; 14-rotating table; 2-spiral wheel cylinder; 21-cavity; 22-spiral blade; 23-driving device; 3-fixing mechanism; 301-first connecting seat; 302-second connecting seat; 303-third connecting seat; 304-hydraulic cylinder; 304-drum; 31-sleeve; 311 -driving gear; 32-fixed pile; 321-engaging part; 3211-sliding rod welding groove; 3212-cross bar; 4-equipment compartment; 41-ventilation window; 411-ventilation hole; 412-fan; 5-cab; 6-pile driving arm; 61-first cylinder; 62-big arm; 63-second cylinder; 64-middle arm; 65-third cylinder; 66-small arm; 67-pile driving seat; 68-clamp; 7-float mechanism; 71-first articulated seat; 72-second articulated seat; 73-telescopic cylinder; 74-float arm; 75-float seat sleeve; 76-float rod; 77-float. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0029] See also Figure 1-7 The utility model aims to provide an amphibious screw pile driver, comprising a main body 1, the main body 1 being the fuselage of the amphibious screw pile driver, four screw wheel barrels 2 being installed at the bottom of the main body 1, screw blades 22 being installed on the screw wheel barrel 2, and a cavity 21 being arranged inside the screw wheel barrel 2; a plurality of screw wheel barrels 2 with cavities 21 arranged inside are installed at the bottom of the main body 1, which can provide upward buoyancy for the machine body, so that the equipment will not sink due to gravity in special occasions such as swamps.

[0030] The body 1 is a pontoon, which is divided into a middle pontoon 101 and long pontoons 102 detachably connected to both sides of the middle pontoon 101. The pontoon is hollow inside and can provide buoyancy for the pile driver. The long pontoon 102 can be installed on the middle pontoon 101 by plugging, flange connection, clamping or any other detachable connection method.

[0031] Preferably, a connecting pipe 1011 is installed on the middle pontoon 101, and the connecting pipe 1011 is a hollow steel pipe. The connecting pipe 1011 passes through the middle pontoon 101 and both ends are arranged outside the middle pontoon 101. A mounting pipe 1021 is installed on the long pontoon 102, and the mounting pipe 1021 is arranged inside the long pontoon 102. The mounting pipe 1021 passes through the long pontoon 102, and both ends of the mounting pipe 1021 are open. The connecting pipe 1011 is inserted into the installation pipe 1021, and the connecting pipe 1011 is inserted from one end of the installation pipe 1021 to the other end of the installation pipe 1021. The connecting pipe baffle 1012 is installed at the end of the connecting pipe 1011 away from the middle buoyancy box 101. The connecting pipe baffle 1012 is installed with bolts 103. The connecting pipe baffle 1012 is welded to the connecting pipe 1011. The bolts 103 are installed on the connecting pipe baffle 1012 and then welded to the connecting pipe baffle 1012. The baffle 1022 abuts against the installation pipe 1021, and the bolts 103 pass through the baffle 1022. The nuts 104 are installed on the bolts 103. When installing this mechanism, the bolts 103, the connecting pipe baffle 1012 and the connecting pipe 101 are welded in advance, and after the whole is inserted into the installation pipe 1021, the baffle 1022 is placed, and the nuts 104 are used to lock it, and the installation is completed.

[0032] A driving device 23 is installed inside the long pontoon 102, and two driving devices 23 are installed inside each long pontoon 102. The driving device 23 can be fixed inside the long pontoon 102 by a detachable connection or a fixed connection. The driving device 23 is a hydraulic motor, and the output end of the driving device 23 is connected to the spiral wheel barrel 2; specifically, two spiral wheel barrels 2 are installed at the bottom of each long pontoon 102, and the spiral wheel barrel 2 is rotatably connected to the long pontoon 102. Two recesses are provided at the bottom of the long pontoon 102, and the two spiral wheel barrels 2 are respectively arranged in the two recesses. The driving device 23 and the spiral wheel barrel 2 are transmission hydraulic motors. The output end of the motor is installed on the spiral wheel barrel 2, and the output end of the hydraulic motor is fixedly connected to one end of the spiral wheel barrel 2. The hydraulic motor can drive the spiral wheel barrel 2 to rotate along the central axis of the spiral wheel barrel 2, and the spiral blades 22 on the spiral wheel barrel 2 can drive the entire pile driver to move.

[0033] A pedestal 13 is installed on the top of the middle pontoon 101, a rotating platform 14 is installed on the top of the pedestal 13, and an equipment compartment 4, a cab 5 and a pile driving arm 6 are installed on the top of the rotating platform 14. The pedestal 13 provides support for the rotating platform 14, and a slewing mechanism is installed on the rotating platform 14. The principle of rotation is that the gears and gear rings inside the slewing mechanism are driven by the hydraulic cylinder to work together. This slewing mechanism can support the rotating platform 14 on the body 1 (i.e., the middle pontoon 101). The combined movement of the pedestal 13 and the rotating platform 14 is the same as the slewing mechanism of the existing excavator. The function of rotating the rotating platform 14 can be achieved by an indirect transmission structure in which a high-speed hydraulic motor drives the rotating gear ring through a gear reducer.

[0034] The long pontoon 102 is provided with a fixing mechanism 3 that can fix the body 1 on the ground. Specifically, the fixing mechanism 3 is installed on the side of the long pontoon 102 away from the middle pontoon 101. The fixing mechanism 3 can fix the pile driver in place to prevent the pile driver from moving during the pile driving process. As a preferred embodiment, the fixing mechanism 3 includes a sleeve 31 installed on the side of the long pontoon 102 away from the middle pontoon 101, and a fixed pile 32 is sleeved inside the sleeve 31. A driving device is installed on the sleeve 31, and the driving device can drive the fixed pile 32 to slide up and down. After the pile driver is in place, the driving device drives the fixed pile 32 to move downward and penetrate into the ground or swamp to fix the pile driver.

[0035] Preferably, a meshing portion 321 is installed on the fixed pile 32, the driving device is a driving gear 311, a notch is provided on the sleeve 31, and the driving gear 311 passes through the notch of the sleeve 31 and meshes with the meshing portion 321. Specifically, the driving gear 311 is driven by a hydraulic motor and has power, and the driving gear 311 rotates to make the fixed pile 32 meshed therewith move up and down, thereby fixing the pile driver.

[0036] Preferably, the meshing portion 321 includes a slide bar welding groove 3211 installed on the fixing pile 32 and a plurality of cross bars 3212 installed on the slide bar welding groove 3211. Specifically, the slide bar welding groove 3211 is welded along the length direction of the fixing pile 32, the slide bar welding groove 3211 is provided with a groove along its length direction, and the cross bars 3212 are evenly arranged in the groove along the length direction of the slide bar welding groove 3211.

[0037] Preferably, the sleeve 31 is hinged with a second connection seat 302 and one end of a hydraulic cylinder 304, and the hydraulic cylinder 304 can be extended and retracted; the other end of the hydraulic cylinder 304 is hinged with a first connection seat 301, and both the first connection seat 301 and the second connection seat 302 are installed on the long pontoon 102. Therefore, when the hydraulic cylinder 304 is extended, the fixing mechanism 3 can be adjusted to a vertical state, and the fixing mechanism can be extended downward to fix the pile driver. When the hydraulic cylinder 304 is retracted, the fixing mechanism 3 can be adjusted to a horizontal state.

[0038] See also Figure 8, a third connection seat 303 is installed on the long pontoon 102, and the third connection seat 303 can abut against the fixing mechanism 32 in the horizontal state. Preferably, a roller 305 is installed on the top of the third connection seat 303, and the roller 304 and the third connection seat 303 are rotatably connected. The third connection seat 303 is connected to the long pontoon 102 by bolts, and a mounting seat for mounting the roller 305 is installed on the top, and the mounting seat is rotatably connected to the roller 305. When the fixing mechanism 3 is adjusted to the horizontal state, the fixing pile 32 will be placed on the roller 305 on the third connection seat 303 to provide support for the fixing pile 32, and when the fixing mechanism 3 is in the horizontal state, the fixing pile 32 can still slide in the sleeve 31 driven by the driving gear 311.

[0039] Preferably, two spiral wheel drums 2 are provided at the bottom of the long pontoon 102. Four spiral wheel drums 2 can provide sufficient buoyancy for the pile driver, and the four spiral wheel drums 2 are driven together, which greatly improves the power output of the pile driver. When the pile driver turns, the driving devices 23 on both sides of the body 1 provide different rotation speeds, so that a speed difference is generated on both sides to achieve the purpose of turning.

[0040] Preferably, a float mechanism 7 is installed on the side of the long pontoon 102 away from the middle pontoon 101, and the float mechanism 7 includes a first hinged seat 71 and a second hinged seat 72 installed on the side of the long pontoon 102 away from the middle pontoon 101, the first hinged seat 71 is located above the second hinged seat 72, a telescopic cylinder 73 is hinged on the first hinged seat 71, and a float arm 74 is hinged on the second hinged seat 72, a float seat sleeve 75 is installed on the end of the float arm 74 away from the second hinged seat 72, the float seat sleeve 75 is hinged to the telescopic cylinder 73 away from the first hinged seat 71, and a float rod 76 is installed on the float seat sleeve 75, and a float 77 is installed on the end of the float rod 76 away from the float arm 74, the float 77 is hollow inside, and the float 77 can provide buoyancy. When the telescopic cylinder 73 is extended, the floating ball 77 can be driven down to make it close to the "ground". When the telescopic cylinder 73 is contracted, the floating ball 77 can be driven up to make it away from the "ground".

[0041] The float mechanism 7 and the fixing mechanism 3 are both installed on the long pontoon 102, and the float mechanism 7 is installed near the front of the pile driver (the front here refers to the position close to the default forward direction of the pile driver along the length direction of the side of the long pontoon 102), and the fixing mechanism 3 is installed near the rear of the pile driver (the rear here refers to the position away from the default forward direction of the pile driver along the length direction of the side of the long pontoon 102).

[0042] Preferably, the pile driving arm 6 comprises a first oil cylinder 61 and a big arm 62 which are hingedly connected to the rotating platform 14, the first oil cylinder 61 is hingedly connected to the big arm 62 at one end away from the rotating platform 14, the big arm 62 is hingedly connected to the middle arm 64 at one end away from the rotating platform 14, the middle arm 64 and the big arm 62 are hingedly connected with a second oil cylinder 63, the middle arm 64 and the big arm 62 are hingedly connected with a small arm 66 at one end away from the big arm 62, the middle arm 64 and the small arm 66 are hingedly connected with a third oil cylinder 65, the small arm 66 is hingedly connected to a pile driving seat 67 at one end away from the middle arm 64, and a clamp 68 is installed at the bottom of the pile driving seat 67. The extension arms of the pile driving arm 6 cooperate with each other, and are fully extended under the drive of several oil cylinders to press the pile column below the ground, thereby realizing the function of pile driving.

[0043] Preferably, the small arm 66 is in a gooseneck shape. The small arm 66 in the gooseneck shape can adapt to the working condition of the piling arm 6 driving piles downwards.

[0044] Preferably, a vent window 41 is installed on the top of the equipment bin 4, and a plurality of vent holes 411 are provided on the vent window 41. The equipment bin 4 is used to install various equipment required for the pile driver, and the equipment generates heat, which can be discharged to the outside through the plurality of vent holes 411 on the vent window 41.

[0045] Preferably, a fan 412 is installed in the vent window 41. The fan can drive the hot air of the equipment compartment 4 to be discharged.

[0046] Preferably, a plurality of inspection ports 11 are installed on the top of the long pontoon 102. The inspection ports 11 allow workers to enter the long pontoon 102 for inspection.

[0047] Preferably, a guardrail 12 is installed on the top of the long pontoon 102. The guardrail 12 can prevent the staff from falling.

[0048] Thus, the rotation of the spiral wheel barrel 2 at the bottom of the long pontoon 102 can drive the pile driver to move freely on the soft mud; the pile driver can provide buoyancy through the spiral wheel barrel 2 at the bottom of the long pontoon 102 to avoid sinking into the mud. The pile driving arm 6 can drive piles into the ground, and the fixing mechanism 3 can fix the entire body of the pile driver after it is in place to prevent the body from moving during the pile driving process.

[0049] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, technicians familiar with the field may make various corresponding changes and deformations based on the present invention, but these corresponding changes and deformations should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. An amphibious screw pile driver, characterized in that: It comprises a body (1), a plurality of spiral wheel barrels (2) are mounted at the bottom of the body (1), spiral blades (22) are mounted on the spiral wheel barrels (2), and a cavity (21) is provided inside the spiral wheel barrels (2); a driving device (23) is mounted inside the body (1), and an output end of the driving device (23) is connected to the spiral wheel barrels (2); A rotatable pedestal (13) is mounted on the top of the main body (1), a rotating platform (14) is mounted on the top of the pedestal (13), and an equipment compartment (4), a cab (5) and a pile driving arm (6) are mounted on the top of the rotating platform (14); fixing mechanisms (3) capable of fixing the main body (1) on the ground are mounted on both sides of the main body (1).

2. The amphibious screw pile driver according to claim 1, characterized in that: Two spiral wheel cylinders (2) are provided on both sides of the bottom of the body (1).

3. The amphibious screw pile driver according to claim 1, characterized in that: The fixing mechanism (3) comprises a sleeve (31) mounted on the body (1), a fixing pile (32) being sleeved inside the sleeve (31), and a driving device being mounted on the sleeve (31), and the driving device being capable of driving the fixing pile (32) to slide up and down.

4. The amphibious screw pile driver according to claim 3, characterized in that: A meshing portion (321) is mounted on the fixing pile (32); the driving device is a driving gear (311); the driving gear (311) passes through the sleeve (31) and meshes with the meshing portion (321).

5. The amphibious screw pile driver according to claim 4, characterized in that: The meshing portion (321) comprises a slide bar welding groove (3211) mounted on a fixing pile (32), and cross bars (3212) are evenly arranged along the length direction of the slide bar welding groove (3211).

6. The amphibious screw pile driver according to claim 1, characterized in that: The body (1) comprises a central pontoon (101) and long pontoons (102) detachably connected to both sides of the central pontoon (101).

7. The amphibious screw pile driver according to claim 6, characterized in that: A connecting pipe (1011) is installed on the middle pontoon (101), and connecting pipe baffles (1012) are installed at both ends of the connecting pipe (1011). A mounting pipe (1021) is installed on the long pontoon (102), and both ends of the mounting pipe (1021) are open. The connecting pipe (1011) is inserted into the mounting pipe (1021), and a baffle (1022) is installed at one end of the mounting pipe (1021) away from the middle pontoon (101), and the baffle (1022) is bolted to the connecting pipe baffle (1012).

8. The amphibious screw pile driver according to claim 3, characterized in that: A second connection seat (302) and a hydraulic cylinder (304) are hingedly connected to the sleeve (31); the other end of the hydraulic cylinder (304) is hingedly connected to a first connection seat (301); and the first connection seat (301) and the second connection seat (302) are both mounted on the body (1).

9. The amphibious screw pile driver according to claim 8, characterized in that: A third connecting seat (303) is installed on the main body (1), and a roller (305) is rotatably connected to the top of the third connecting seat (303).

10. The amphibious screw pile driver according to claim 1, characterized in that: A telescopic oil cylinder (73) and a floating ball arm (74) hinged to the body (1) are mounted on both sides of the body (1); the floating ball arm (74) is hinged to one end of the telescopic oil cylinder (73) away from the body (1); and a floating ball (77) is mounted on one end of the floating ball arm (74) away from the body (1).

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