Hydraulic three-fulcrum engineering piling frame

Abstract

The utility model relates to a hydraulic three-fulcrum engineering piling frame which comprises a piling frame body arranged on a piling machine vehicle body, a piling hammer supporting arm hinged to the piling frame body and two hydraulic oil cylinders, and the two ends of each hydraulic oil cylinder are hinged to the end of one side of the piling frame body and the end of one side of the piling hammer supporting arm respectively. The piling frame body is further provided with an installation base, the installation base is located between the two hydraulic oil cylinders and the piling hammer supporting arm, the top of the installation base is provided with a supporting table used for supporting the piling hammer, and the two sides of the supporting table are each provided with a limiting baffle used for limiting lateral movement of the piling hammer supporting arm. The pile hammer supporting arm is limited and supported through the supporting table and the limiting baffle, and therefore the connecting position of the pile hammer supporting arm and the two hydraulic oil cylinders is protected.

Description

Technical Field

[0001] The utility model relates to the field of piling equipment, in particular to a hydraulic three-support point engineering piling frame. Background Art

[0002] The Chinese patent with the announcement number CN218060303U discloses a pile driver support, including a horizontal moving frame, a rotating frame and a pile hammer support arm installed on the pile driver body, a second connecting frame is provided on the rotating frame, two support arm driving cylinders are rotatably connected to the second connecting frame, and the piston rods of the two support arm driving cylinders are rotatably connected to the top of the pile hammer support arm. The swing angle of the pile hammer support arm is controlled by the extension and contraction of the piston rods of the two support arm driving cylinders.

[0003] When the bracket is not in use, the pile driver support arm is entirely supported by the two support arm drive cylinders. During the transportation and movement of the vehicle body, if the vehicle body brakes suddenly or turns too quickly, the support connection between the two support arm drive cylinders and the pile driver support arm will be instantly over-stressed and break, making the pile driver unusable. Utility Model Content

[0004] The present application provides a hydraulic three-point engineering pile driving frame, in which a support platform and a limit baffle are arranged to provide limit support for a pile driving hammer support arm, thereby protecting the connection between the pile driving hammer support arm and two hydraulic cylinders.

[0005] The present application provides a hydraulic three-point engineering pile driver adopts the following technical solution:

[0006] A hydraulic three-point engineering pile driver comprises a pile driver body arranged on a pile driver machine body, a pile hammer support arm hinged on the pile driver body, and two hydraulic cylinders, wherein the two ends of the two hydraulic cylinders are respectively hinged on one side end of the pile driver body and the pile hammer support arm, and a mounting seat is also provided on the pile driver body, and the mounting seat is located between the two hydraulic cylinders and the pile hammer support arm. A supporting platform for supporting the pile hammer is provided on the top of the mounting seat, and limit baffles for limiting the lateral movement of the pile hammer support arm are provided on both sides of the support platform.

[0007] By adopting the above technical solution, the pile hammer support arm has a support connection with the support frame body, and is provided with support connections with the two hydraulic cylinders. When the pile hammer support arm is not in use, the piston rods of the two hydraulic cylinders retract to make the pile hammer support arm rotate and fall on the support platform, and the support platform supports the middle part of the pile hammer support arm, thereby dispersing the pressure of the two support connections between the two hydraulic cylinders and the pile hammer support arm. When the vehicle body turns, the two limit baffles limit the lateral movement of the pile hammer support arm, absorb the inertia force of the pile hammer support arm, and further protect the connection between the two hydraulic cylinders and the pile hammer support arm.

[0008] Preferably, the mounting seat is slidably connected to the piling frame body, the middle portion of the support platform is hinged to the mounting seat, and the piling frame body is also provided with a control component for controlling the sliding of the mounting seat.

[0009] By adopting the above technical solution, when the piston rods of the two hydraulic cylinders are extended to rotate and erect the pile driver support arm, the control component hydraulically drives the mounting seat to slide, so that the support platform hydraulically assists the two hydraulic cylinders to lift the pile driver support arm together, making the process of rotating and erecting the pile driver support arm smoother and safer.

[0010] Preferably, a first support frame is further provided on the piling frame body, the first support frame is located between the mounting seat and the two hydraulic cylinders, the first support frame is used for limiting support of the support platform, and the first support frame is against the bottom of the support platform.

[0011] By adopting the above technical solution, the support platform initially assists the two hydraulic cylinders to lift the pile hammer support arm, and the rear support control assembly controls the movement and reset of the mounting seat. At this time, the end of the support platform away from the pile hammer support arm is tilted. After the pile driving operation is completed, the piston rods of the two hydraulic cylinders retract to make the pile hammer support arm rotate and fall on the support platform. The pile hammer support arm will first collide with the end of the support platform away from the pile hammer support arm and rotate with the support platform. Finally, the support platform will collide with the first support frame and stop moving. At this time, the first support frame will limit the rotation of the support platform and let the support platform rotate to the initial state. At the same time, the first support frame will assist the auxiliary support platform to support the pile hammer support arm together, further reducing the pressure at the support connection between the two hydraulic cylinders and the pile hammer support arm, so that the connection between the two hydraulic cylinders and the pile hammer support arm is not easy to break due to braking or turning too fast during the driving of the vehicle.

[0012] Preferably, the control assembly comprises a first slide rail, a motor and a screw rod provided on the piling frame body, the mounting seat is slidably connected to the first slide rail, the screw rod is connected to the output shaft of the motor, and the mounting seat is threadedly connected to the screw rod.

[0013] By adopting the above technical solution, the movement of the mounting seat can be controlled by starting the motor and driving the lead screw to rotate forward or reverse.

[0014] Preferably, four supporting oil cylinders are further provided on the end of the piling frame body, the piston rods of the four supporting oil cylinders are all arranged toward the ground, and support plates are provided on the piston rods of the four supporting oil cylinders.

[0015] By adopting the above technical solution, before the pile driver starts piling operation, the piston rods of the four hydraulic cylinders are extended so that the four support plates come into contact with the ground, thereby supporting the pile driver body and ensuring the stability of the pile driver body during piling operation, thereby reducing the shaking of the pile hammer support arm during piling operation and ensuring the accuracy of the piling operation.

[0016] Preferably, a plurality of ground nails are provided at the bottom of each of the four support plates, and the plurality of ground nails are equidistantly arranged on the support plate in the circumferential direction. The support plate is provided with a plurality of connecting parts, and the connecting parts are used to connect the ground nails and the support plate.

[0017] By adopting the above technical solution, the provision of ground-inserted top nails can enhance the ground gripping force of the support plate, thereby further enhancing the stability of the pile driver body during the piling operation.

[0018] Preferably, the connecting portion includes a first threaded hole formed on the supporting plate, a second threaded hole formed on the ground nail, and a bolt threadedly connected in the first threaded hole and the second threaded hole.

[0019] By adopting the above technical solution, the gripping nails can be replaced. If a gripping top is damaged, the damaged gripping nail can be removed from the supporting plate by screwing the bolt connected to the damaged gripping nail out of the second threaded hole, and then a new gripping nail can be replaced by screwing the bolt back into the second threaded hole on the new gripping top.

[0020] Preferably, the ends of the plurality of ground nails away from the support plate are all tapered, a plurality of accommodating holes for accommodating the ground nails are formed on the bottom end of each of the support plates, and the plurality of the first threaded holes are respectively connected to the plurality of accommodating holes.

[0021] By adopting the above technical solution and providing a receiving groove, the shear force applied to the gripping nail when gripping the ground will be transmitted to the gripping nail and the support plate instead of being directly transmitted to the bolt, thereby preventing the bolt from breaking due to excessive shear force and causing the ground nail to fall off the support plate.

[0022] Preferably, the piston rods of the four supporting oil cylinders are each provided with a ball pin, the top surfaces of the four supporting plates are each provided with a pin hole, and the four ball pins are respectively ball-hinged in the four pin holes.

[0023] By adopting the above technical solution, the support plate can rotate relative to the piston rod of the support cylinder, so that the support plate can better fit the ground when gripping the ground, thereby gripping the ground more firmly.

[0024] The technical effects of this utility model are mainly reflected in the following aspects:

[0025] 1. The utility model provides a support platform and a limit baffle to limit the support arm of the pile hammer, thereby protecting the connection between the support arm of the pile hammer and the two hydraulic cylinders;

[0026] 2. The utility model enables the mounting base to move by means of the screw rod and the motor, so that the support platform assists the two hydraulic cylinders in lifting the support arm of the pile hammer;

[0027] 3. The utility model sets a first support frame to further enhance the supporting and limiting effect of the support platform on the pile hammer. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of the frame of this application.

[0029] Figure 2 Schematic diagram of the structure of the supporting cylinder and ball pin.

[0030] Figure 3 It is a structural diagram of a support plate, screws and bolts.

[0031] Figure 4 yes Figure 3 Cross-sectional view of the middle support plate, screws and bolts along line AA.

[0032] Figure 5 It is a structural schematic diagram of a mounting base, a support platform, and a limit baffle.

[0033] 1. Pile driver body; 11. Pile driver support arm; 12. Hydraulic cylinder; 13. Mounting seat; 14. Support platform; 15. Limit baffle; 2. Control assembly; 21. First slide rail; 22. Motor; 23. Screw rod; 3. First support frame; 4. Support cylinder; 41. Ball pin; 5. Support plate; 51. Receiving hole; 52. Pin hole; 6. Ground nail; 7. Connecting part; 71. First threaded hole; 72. Second threaded hole; 73. Bolt. DETAILED DESCRIPTION

[0034] The present application is further described in detail below in conjunction with the accompanying drawings to make the technical solution of the present application easier to understand and grasp.

[0035] Reference Figure 1 The hydraulic three-point engineering pile frame of the present embodiment comprises a pile frame body 1 installed on the pile driver body, a pile hammer support arm 11 hinged on the pile frame body 1, and two hydraulic cylinders 12. The cylinder bodies of the two hydraulic cylinders 12 are hinged on the pile frame body 1, and the piston rods of the two hydraulic cylinders 12 are hingedly connected to the end of the pile hammer support arm 11 that is not hinged to the pile frame body 1.

[0036] Reference Figure 1-Figure 3Four supporting oil cylinders 4 are also fixedly connected to the four end corners of the pile driving frame body 1. The piston rods of the four supporting oil cylinders 4 are all arranged toward the ground, and the piston rods of the four supporting oil cylinders 4 are all provided with supporting plates 5. Ball pins 41 are fixed to the piston rods of the four supporting oil cylinders 4, and pin holes 52 are opened on the top surfaces of the four supporting plates 5. The four ball pins 41 are respectively ball-hinged in the four pin holes 52.

[0037] Reference Figure 1 , Figure 3 and Figure 4 A plurality of receiving holes 51 are provided on the bottom surfaces of the four support plates 5, and ground nails 6 are installed in the plurality of receiving holes 51. The plurality of ground nails 6 are equidistantly arranged on the support plates 5 in the circumferential direction. The ground nails 6 are conical, and the diameter of the ground nails 6 gradually increases from the end away from the support plate 5 to the end close to the support plate 5.

[0038] Reference Figure 1 , Figure 3 and Figure 4 Each support plate 5 is provided with a plurality of connection parts 7, and the connection parts 7 are used to connect the ground nail 6 and the support plate 5. The connection parts 7 include a first threaded hole 71 provided on the support plate 5, a second threaded hole 72 provided on the ground nail 6, and a bolt 73 threadedly connected in the first threaded hole 71 and the second threaded hole 72, wherein the plurality of first threaded holes 71 on each support plate are respectively connected to the plurality of receiving holes 51.

[0039] Reference Figure 1 and Figure 5 The main body 1 of the pile driver is also slidably connected with a mounting seat 13, which is located between the two hydraulic cylinders 12 and the pile hammer support arm 11. The top of the mounting seat 13 is hinged with a support platform 14 for supporting the pile hammer, wherein the middle of the support platform 14 is hinged with the mounting seat 13. Both sides of the support platform 14 are provided with limit baffles 15 for limiting the lateral movement of the pile hammer support arm 11. The main body 1 of the pile driver is also provided with a first support frame 3, which is located between the mounting seat 13 and the two hydraulic cylinders 12. The first support frame 3 is used to limit the support platform 14, and the first support frame 3 is against the bottom of the support platform 14.

[0040] Reference Figure 1 and Figure 5 The piling frame body 1 is also provided with a control assembly 2 for controlling the sliding movement of the mounting seat 13. The control assembly 2 includes a first slide rail 21 fixed to the piling frame body 1, a motor 22 and a screw rod 23. The mounting seat 13 is slidably connected to the first slide rail 21 along the length direction of the piling frame body 1. The screw rod 23 is connected to the output shaft of the motor 22. The mounting seat 13 is threadedly connected to the screw rod 23.

[0041] Reference Figure 1-Figure 5 The specific use process of the pile driver in this application is as follows:

[0042] Before the pile driver starts piling, the piston rods of the four hydraulic cylinders 12 are extended to make the four support plates 5 contact the ground, thereby supporting the piling frame body 1 and ensuring the stability of the piling frame body 1 during piling operation, thereby reducing the shaking of the pile hammer support arm 11 during piling operation and ensuring the accuracy of the piling operation.

[0043] Then the piston rods of the two hydraulic cylinders 12 extend to rotate and erect the pile hammer support arm 11. During this process, the motor 22 starts to rotate the screw rod 23 forward, thereby moving the mounting base 13, so that the support platform 14 hydraulically assists the two hydraulic cylinders 12 to lift up the pile hammer support arm 11, making the process of rotating and erecting the pile hammer support arm 11 smoother and safer.

[0044] The support platform 14 assists the two hydraulic cylinders 12 to lift the pile hammer support arm 11, and then the motor 22 drives the screw rod 23 to flip and control the mounting seat 13 to move and reset. At this time, the end of the support platform away from the pile hammer support arm 11 is tilted.

[0045] After the piling operation is completed, the piston rods of the two hydraulic cylinders 12 retract, causing the pile driver support arm 11 to rotate and fall on the support platform 14. The pile driver support arm 11 will first collide with the end of the support platform 14 away from the pile driver support arm 11, causing the support platform 14 to rotate. Finally, the support platform 14 will collide with the first support frame 3 and stop moving. At this time, the first support frame 3 will limit the rotation of the support platform 14, allowing the support platform 14 to rotate to the initial state. At the same time, the first support frame 3 will assist the auxiliary support platform 14 to support the pile driver support arm 11.

[0046] At this time, the support platform 14 supports the middle part of the pile hammer support arm 11, thereby dispersing the pressure of the two supporting connections between the two hydraulic cylinders 12 and the pile hammer support arm 11. When the vehicle body turns, the two limit baffles 15 limit the lateral movement of the pile hammer support arm 11, absorb the inertia force of the pile hammer support arm 11, and further protect the connection between the two hydraulic cylinders 12 and the pile hammer support arm 11.

[0047] Of course, the above are only typical examples of the present application. In addition, the present application may have many other specific implementation methods. All technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present application.

Claims

1. A hydraulic three-point engineering pile frame, comprising a pile frame body (1) arranged on a pile driver body, a pile hammer support arm (11) hinged on the pile frame body (1), and two hydraulic cylinders (12), wherein the two ends of the two hydraulic cylinders (12) are respectively hinged on one side end of the pile frame body (1) and the pile hammer support arm (11), and characterized in that: The piling frame body (1) is also provided with a mounting seat (13), the mounting seat (13) being located between the two hydraulic cylinders (12) and the pile hammer support arm (11), the top of the mounting seat (13) being provided with a support platform (14) for supporting the pile hammer, and both sides of the support platform (14) being provided with limit baffles (15) for limiting lateral movement of the pile hammer support arm (11).

2. A hydraulic three-point engineering pile driver according to claim 1, characterized in that: The mounting seat (13) is slidably connected to the pile frame body (1), the middle part of the support platform (14) is hinged to the mounting seat (13), and the pile frame body (1) is also provided with a control component (2) for controlling the sliding of the mounting seat (13).

3. A hydraulic three-point engineering pile driver according to claim 2, characterized in that: The piling frame body (1) is also provided with a first support frame (3), the first support frame (3) being located between the mounting seat (13) and the two hydraulic cylinders (12), the first support frame (3) being used for providing limited support to the support platform (14), and the first support frame (3) being in contact with the bottom of the support platform (14).

4. The hydraulic three-point engineering pile driver according to claim 2, characterized in that: The control assembly (2) comprises a first slide rail (21), a motor (22) and a screw rod (23) arranged on a pile driver body (1); the mounting seat (13) is slidably connected to the first slide rail (21); the screw rod (23) is connected to an output shaft of the motor (22); and the mounting seat (13) is threadedly connected to the screw rod (23).

5. The hydraulic three-point engineering pile driver according to claim 1, characterized in that: Four supporting oil cylinders (4) are also provided at the end of the pile driving frame body (1), the piston rods of the four supporting oil cylinders (4) are all arranged toward the ground, and supporting plates (5) are provided on the piston rods of the four supporting oil cylinders (4).

6. A hydraulic three-point engineering pile driver according to claim 5, characterized in that: A plurality of ground-inserting nails (6) are provided at the bottom of each of the four support plates (5), and the plurality of ground-inserting nails (6) are equidistantly arranged on the support plate (5) in the circumferential direction. A plurality of connecting parts (7) are provided on the support plate (5), and the connecting parts (7) are used to connect the ground-inserting nails (6) and the support plate (5).

7. The hydraulic three-point engineering pile driver according to claim 6, characterized in that: The connecting portion (7) comprises a first threaded hole (71) formed on the support plate (5), a second threaded hole (72) formed on the ground-inserting nail (6), and a bolt (73) threadedly connected to the first threaded hole (71) and the second threaded hole (72).

8. The hydraulic three-point engineering pile driver according to claim 7, characterized in that: The ends of the plurality of ground-inserting nails (6) away from the support plate (5) are all conical, and the bottom end of each of the support plates (5) is provided with a plurality of receiving holes (51) for receiving the ground-inserting nails (6), and the plurality of the first threaded holes (71) are respectively connected to the plurality of receiving holes (51).

9. The hydraulic three-point engineering pile driver according to claim 5, characterized in that: The piston rods of the four supporting oil cylinders (4) are all provided with ball pins (41), the top surfaces of the four supporting plates (5) are all provided with pin holes (52), and the four ball pins (41) are respectively spherically hinged in the four pin holes (52).

Images