A pile driving device for highway bridge construction

Abstract

This utility model discloses a pile driving device for highway bridge construction, including a base, a support frame on the upper surface of the base, a hydraulic cylinder on the upper surface of the support frame, a lifting frame at the output end of the hydraulic cylinder, a machine frame at the bottom of the lifting frame, a motor inside the machine frame, a rotating shaft rotatably mounted on one side of the machine frame, a helical rod at the bottom of the rotating shaft, gears on both the output end of the motor and the rotating shaft, the two gears meshing together, an mounting sleeve at the upper end of the rotating shaft, a sealed bearing inside the mounting sleeve, a water tank on the upper surface of the base, and a water outlet pipe at the upper end of the water tank. During pile driving, the user can open the pump to allow water from the tank to enter the cavity through the water outlet pipe, at which point water will leak out from the seepage hole, keeping the drill bit moist and thus increasing the service life of the device.

Description

Technical Field

[0001] This utility model relates to the field of highway bridge construction technology, and more specifically, it relates to a piling device for highway bridge construction. Background Technology

[0002] Highway bridge construction, following the design process, mainly refers to bridge construction technology and construction quality. A spiral pile driver is a pile-driving device that uses a power head to drive a drill rod and drill bit into the ground to form a hole. A spiral pile driver generally consists of two parts: a pile frame and a drilling section. It can perform drilling and pile driving, and is suitable for various construction needs. It features fast drilling speed and high construction efficiency. Through proper selection and application, it can ensure the smooth progress of highway bridge construction and improve construction quality and efficiency.

[0003] However, existing construction piling equipment does not have a structure to cool the drilling part during use. Because the drill bit is in constant contact with the ground, the temperature is prone to rise, which will affect the service life of the drill bit over a long period of time.

[0004] Furthermore, most of the existing drilling components are one-piece structures that cannot be replaced. Over time, the drill bit will inevitably wear down, affecting the efficiency of subsequent piling. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] In view of the problems existing in the prior art, this utility model provides a pile driving device for highway bridge construction, so as to solve the technical problem mentioned in the background art that the existing construction pile driving devices do not have a structure to cool the drilling part during use, and the drill bit is prone to temperature rise.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a pile driving device for highway bridge construction, comprising a base, a support frame on the upper end of the base, a hydraulic cylinder on the upper end of the support frame, a lifting frame at the output end of the hydraulic cylinder, a frame at the bottom of the lifting frame, a motor inside the frame, a rotating shaft rotatably mounted on one side of the frame, a helical rod at the bottom of the rotating shaft, gears on both the output end of the motor and the rotating shaft, the two gears meshing together, an mounting sleeve at the upper end of the rotating shaft, a sealed bearing inside the mounting sleeve, a water tank on the upper end of the base, a water outlet pipe at the upper end of the water tank, the other end of the water outlet pipe rotatably mounted to the mounting sleeve via the sealed bearing, a pump body on the water outlet pipe, a cavity inside the helical rod, the lower end of the water outlet pipe communicating with the cavity, a seepage hole on the outer wall of the helical rod at the bottom, the seepage hole communicating with the cavity, and a drill bit at the bottom of the helical rod.

[0009] The present invention is further configured such that the upper end of the drill bit is provided with a insertion rod, the bottom of the spiral rod is correspondingly provided with a slot, the insertion rod can enter the interior of the slot, the insertion rod and the spiral rod are correspondingly provided with insertion holes, the insertion holes are movably provided with pins, the outer wall of the spiral rod is provided with external threads at the bottom, the bottom of the spiral rod is provided with a fastening sleeve, the fastening sleeve is threadedly connected to the spiral rod through the external threads, and both ends of the pin are in contact with the inner wall of the fastening sleeve, which facilitates the disassembly and replacement of the drill bit.

[0010] The present invention is further configured such that positioning blocks are provided on the outer wall of the insertion rod on both sides, and a positioning groove is correspondingly provided on the inner wall of the slot, with the positioning blocks located inside the positioning groove, which facilitates the positioning and installation of the drill bit.

[0011] The present invention is further configured such that a column is fixedly provided on the upper end surface of the base and on both sides, and a receiving groove is provided at the bottom of the column and the support frame. A pointed cone is slidably provided inside the receiving groove, and a guide block is fixedly provided on the outer wall of the pointed cone and on both sides. A guide hole is correspondingly provided on the column and the support frame, and the guide block is slidably installed with the guide hole to facilitate guiding the pointed cone.

[0012] The present invention is further configured such that a lifting plate is provided on one side of each of the two cones, the lifting plate is fixedly connected to the guide block, and an electric push rod is provided on the upper end surface of the base and on both sides, the output end of the electric push rod is fixedly connected to the bottom of the lifting plate, so as to facilitate the cones entering the ground.

[0013] The present invention is further configured such that the outer wall of the fastening sleeve is flush with the outer wall of the spiral rod.

[0014] The present invention is further provided with sliding rods on the upper end surface and on both sides of the lifting frame, and the sliding rods are slidably installed with the support frame to facilitate the guidance of the lifting frame.

[0015] The present invention is further configured such that an avoidance hole is provided on the upper end surface of the base, and the spiral rod is located at the upper end of the avoidance hole, so that the spiral rod can be inserted into the ground to achieve the effect of piling.

[0016] (III) Beneficial Effects

[0017] Compared with the prior art, this utility model provides a piling device for highway bridge construction, which has the following beneficial effects:

[0018] 1. By setting up a hydraulic cylinder, motor, water tank, and seepage hole, the user can open the pump body during the piling process to allow water from inside the water tank to enter the cavity through the outlet pipe. At this time, water will leak out from the seepage hole to keep the drill bit moist and achieve a cooling effect, thereby increasing the service life of the device.

[0019] 2. By setting up a drill bit, insert rod, pin, and fastening sleeve, when the drill bit needs to be disassembled, the fastening sleeve can be rotated to move it upwards until the pin disengages from the fastening sleeve. At this point, the pin can be removed from the inside of the insertion hole, facilitating the disassembly of the insert rod and auger rod, and thus making it easier to disassemble and replace the drill bit. Compared with an integrated drilling section, this design not only increases the flexibility of the device during use but also reduces maintenance costs, lowers operating costs, and thus increases the practicality of the device.

[0020] 3. By setting up a column, a cone, and an electric push rod, the user can control the output end of the electric push rod to move the lifting plate downward before piling. At this time, the lifting plate will move the cone downward through the guide block until it leaves the receiving groove and enters the ground, so as to make the device more stable and prevent it from tipping over during piling. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of a highway bridge construction piling device in its unused state.

[0022] Figure 2 This is a schematic diagram showing the location of the avoidance holes on the base;

[0023] Figure 3 Exploded view of the installation of the screw rod, insert rod, drill bit, pin, and fastening sleeve;

[0024] Figure 4 A schematic diagram showing the positions of the receiving groove and guide hole on the base;

[0025] Figure 5 This is a schematic diagram showing the installation of the guide block, lifting plate, and electric push rod on the pointed cone.

[0026] In the diagram: 1. Base; 2. Support frame; 3. Hydraulic cylinder; 4. Lifting frame; 5. Motor; 6. Rotating shaft; 7. Helical rod; 8. Gear; 9. Mounting sleeve; 10. Water tank; 11. Water outlet pipe; 12. Pump body; 13. Seepage hole; 14. Drill bit; 15. Insert rod; 16. Slot; 17. Insertion hole; 18. Pin; 19. Fastening sleeve; 20. Positioning block; 21. Positioning groove; 22. Column; 23. Receiving groove; 24. Cone; 25. Guide block; 26. Guide hole; 27. Lifting plate; 28. Electric push rod; 29. ​​Slide rod; 30. Avoidance hole. Detailed Implementation

[0027] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0029] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0030] Please see Figure 1-5 A pile driving device for highway bridge construction includes a base 1, a support frame 2 on the upper surface of the base 1, a hydraulic cylinder 3 on the upper surface of the support frame 2, a lifting frame 4 at the output end of the hydraulic cylinder 3, a frame at the bottom of the lifting frame 4, a motor 5 inside the frame, a rotating shaft 6 rotatably mounted on one side of the frame, a spiral rod 7 at the bottom of the rotating shaft 6, gears 8 on both the output end of the motor 5 and the rotating shaft 6, the two gears 8 meshing together, an mounting sleeve 9 at the upper end of the rotating shaft 6, a sealed bearing inside the mounting sleeve 9, a water tank 10 on the upper surface of the base 1, a water outlet pipe 11 at the upper end of the water tank 10, the other end of the water outlet pipe 11 rotatably mounted to the mounting sleeve 9 via a sealed bearing, a pump body 12 on the water outlet pipe 11, a cavity inside the spiral rod 7, the lower end of the water outlet pipe 11 communicating with the cavity, a seepage hole 13 on the outer wall of the spiral rod 7 at the bottom, the seepage hole 13 communicating with the cavity, and a drill bit 14 at the bottom of the spiral rod 7.

[0031] In this embodiment, the upper end of the drill bit 14 is provided with a insertion rod 15, and the bottom of the spiral rod 7 is provided with a corresponding slot 16. The insertion rod 15 can enter the interior of the slot 16. The insertion rod 15 and the spiral rod 7 are respectively provided with insertion holes 17. The insertion holes 17 are movably provided with pins 18. The outer wall of the spiral rod 7 and the bottom are provided with external threads. The bottom of the spiral rod 7 is provided with a fastening sleeve 19. The fastening sleeve 19 is threadedly connected to the spiral rod 7 through the external threads. Both ends of the pin 18 are in contact with the inner wall of the fastening sleeve 19. The outer wall of the insertion rod 15 and the two sides are provided with positioning blocks 20. The inner wall of the slot 16 is respectively provided with a positioning groove 21. The positioning blocks 20 are located inside the positioning groove 21. The outer wall of the fastening sleeve 19 is flush with the outer wall of the spiral rod 7.

[0032] More specifically, during the piling process, the user can open the pump body 12 to allow water from the water tank 10 to enter the cavity through the outlet pipe 11. At this time, water will leak out from the seepage hole 13 to keep the drill bit 14 moist and achieve a cooling effect, thereby increasing the service life of the device. When it is necessary to disassemble the drill bit 14, the fastening sleeve 19 can be rotated to move it upward until the pin 18 is disengaged from the fastening sleeve 19. At this time, the pin 18 can be removed from the inside of the insertion hole 17 to facilitate the disassembly of the insertion rod 15 and the spiral rod 7, thereby facilitating the disassembly and replacement of the drill bit 14.

[0033] Please see Figure 1 , Figure 4 and Figure 5 As an embodiment for fixing the device to the ground: a column 22 is fixedly provided on the upper end surface of the base 1 and on both sides. The bottom of the column 22 and the support frame 2 are provided with receiving grooves 23. A pointed cone 24 is slidably provided inside the receiving groove 23. Guide blocks 25 are fixedly provided on the outer wall of the pointed cone 24 and on both sides. Guide holes 26 are correspondingly provided on the column 22 and the support frame 2. The guide blocks 25 are slidably installed with the guide holes 26. A lifting plate 27 is provided on one side of each of the two pointed cones 24. The lifting plate 27 is fixedly connected to the guide block 25. An electric push rod 28 is provided on the upper end surface of the base 1 and on both sides. The output end of the electric push rod 28 is fixedly connected to the bottom of the lifting plate 27.

[0034] Specifically, before piling, the user can control the electric push rod 28 to drive the lifting plate 27 downward. At this time, the lifting plate 27 will drive the cone 24 downward through the guide block 25 until it leaves the receiving groove 23 and enters the ground, so as to make the device more stable and prevent it from tipping over during the piling process.

[0035] Please refer to Figure 2As a further embodiment for guiding the lifting frame 4: the upper end face of the lifting frame 4 and both sides are provided with sliding rods 29, which are slidably installed with the support frame 2. The upper end face of the base 1 is provided with a avoidance hole 30, and the spiral rod 7 is located at the upper end of the avoidance hole 30.

[0036] Specifically, the drill bit 14 and the auger rod 7 can pass through the avoidance hole 30 and contact the ground to achieve the pile driving operation.

[0037] In summary, when using the overall equipment: the user can first place the device at the location where piling is required on the highway bridge, then control the electric push rod 28 to move the lifting plate 27 downwards. At this time, the lifting plate 27 will move the cone 24 downwards through the guide block 25 until it disengages from the receiving groove 23 and enters the ground, making the device more stable. Then, the motor 5 is turned on to make the gear 8 drive the screw rod 7 to rotate, and at the same time, the hydraulic cylinder 3 is controlled to make the lifting frame 4 drive the screw rod 7 downwards until it enters the ground, achieving the piling effect. During the process, the water inside the water tank 10 can be opened by opening the pump body 12 to enter the cavity through the outlet pipe 11. At this time, the water will leak out from the seepage hole 13 to keep the drill bit 14 moist and achieve the cooling effect, thereby increasing the service life of the device. When the drill bit 14 needs to be disassembled, it can be moved upward by rotating the fastening sleeve 19 until the pin 18 is disengaged from the fastening sleeve 19. At this time, the pin 18 can be removed from the inside of the insertion hole 17 to facilitate the disassembly of the insertion rod 15 and the spiral rod 7, thereby facilitating the disassembly and replacement of the drill bit 14.

[0038] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A highway bridge construction piling device comprising a base (1), characterized in that: The upper surface of the base (1) is provided with a support frame (2), the upper surface of the support frame (2) is provided with a hydraulic cylinder (3), the output end of the hydraulic cylinder (3) is provided with a lifting frame (4), the bottom of the lifting frame (4) is provided with a frame, the inside of the frame is provided with a motor (5), one side of the frame is provided with a rotating shaft (6), the bottom of the rotating shaft (6) is provided with a spiral rod (7), the output end of the motor (5) and the rotating shaft (6) are both provided with gears (8), the two gears (8) are meshed and installed, the upper end of the rotating shaft (6) is provided with a mounting sleeve (9), the mounting sleeve (9) The base (1) is equipped with a sealed bearing. The upper end of the base (1) is equipped with a water tank (10). The upper end of the water tank (10) is equipped with a water outlet pipe (11). The other end of the water outlet pipe (11) is rotatably installed with the mounting sleeve (9) through the sealed bearing. The water outlet pipe (11) is equipped with a pump body (12). The spiral rod (7) is equipped with a cavity. The lower end of the water outlet pipe (11) is connected to the cavity. The spiral rod (7) is equipped with a seepage hole (13) on the outer wall and at the bottom. The seepage hole (13) is connected to the cavity. The bottom of the spiral rod (7) is equipped with a drill bit (14).

2. The highway bridge construction piling device according to claim 1, characterized in that: The upper end of the drill bit (14) is provided with a plug rod (15), and the bottom of the spiral rod (7) is provided with a corresponding slot (16). The plug rod (15) can enter the interior of the slot (16). The plug rod (15) and the spiral rod (7) are provided with corresponding insertion holes (17). The insertion hole (17) is provided with a movable pin (18). The outer wall of the spiral rod (7) and the bottom are provided with an external thread. The bottom of the spiral rod (7) is provided with a fastening sleeve (19). The fastening sleeve (19) is threadedly connected to the spiral rod (7) through the external thread. Both ends of the pin (18) are in contact with the inner wall of the fastening sleeve (19).

3. The highway bridge construction piling device according to claim 2, characterized in that: Positioning blocks (20) are provided on the outer wall of the insertion rod (15) and on both sides. Positioning grooves (21) are correspondingly provided on the inner wall of the slot (16). The positioning blocks (20) are located inside the positioning grooves (21).

4. The piling device for highway bridge construction according to claim 1, characterized in that: The base (1) has a column (22) fixed on its upper surface and on both sides. The bottom of the column (22) and the support frame (2) are provided with a receiving groove (23). A pointed cone (24) is slidably provided inside the receiving groove (23). Guide blocks (25) are fixed on the outer wall of the pointed cone (24) and on both sides. Guide holes (26) are provided on the column (22) and the support frame (2). The guide blocks (25) are slidably installed with the guide holes (26).

5. A piling device for highway bridge construction according to claim 4, characterized in that: Each of the two cones (24) is provided with a lifting plate (27) on one side. The lifting plate (27) is fixedly connected to the guide block (25). The upper surface of the base (1) and both sides are provided with electric push rods (28). The output end of the electric push rods (28) is fixedly connected to the bottom of the lifting plate (27).

6. The piling device for highway bridge construction according to claim 2, characterized in that: The outer wall of the fastening sleeve (19) is flush with the outer wall of the screw rod (7).

7. A piling device for highway bridge construction according to claim 1, characterized in that: The upper end face of the lifting frame (4) and both sides are provided with sliding rods (29), and the sliding rods (29) are slidably installed with the support frame (2).

8. The piling device for highway bridge construction according to claim 1, characterized in that: The upper surface of the base (1) is provided with a hiding hole (30), and the spiral rod (7) is located at the upper end of the hiding hole (30).

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