Guide rail for pile driver with drilling function
By integrating rotatable drilling sleeves and drill rods on the pile drivers, combining hydraulic hammers and motor drives, the high cost and inconvenience problems in the transportation and construction of existing pile drivers is solved, and the efficient combination and flexibility of drilling and pile driving is achieved. construction.
Patent Information
- Application Number
- CN202110090572.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-01-22
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2041-01-22
AI Technical Summary
In transportation and construction, existing pile drivers have problems such as high height, difficulty in transportation, high fuel consumption, high maintenance costs and inconvenient replacement of hydraulic hammers. In particular, they need to purchase a pneumatic impactor separately and replace it frequently, resulting in high costs.
A guide rail for pile driver with drilling function was designed. By installing a rotatable drilling sleeve and drill rod on the pile driver, combining hydraulic hammer and motor drive, the drilling and pile driving is achieved, and the drilling and pile driving is adopted with detachable up and down sliding. The rail structure reduces the transport height and prevents the drill bit and drill rod from being blocked through the air inlet holes.
The efficient combination of pile driving and drilling is achieved, which reduces construction costs, avoids frequent replacement of hydraulic hammers, improves construction flexibility, and reduces the machine height during transportation, simplifies the transportation process.
Smart Images
Figure CN112761150B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of pile drivers, and in particular relates to a guide rail for a pile driver with a drilling function. Background Art
[0002] A pile driver is composed of a pile hammer, a pile frame and ancillary equipment. A drilling pile driver has the advantages of simple structure, convenient positioning and transfer operation, and has begun to be promoted and applied. With the vigorous construction of infrastructure such as housing construction and municipal administration, the foundation needs to be frequently drilled during this long-term construction process. The frame of an ordinary pile driver is high and difficult to transport. When the pile driver is working, it has high fuel consumption, inflexible construction, and high maintenance cost. It is necessary to buy a pneumatic impactor separately to drill holes. The pneumatic impactor is frequently replaced and has high cost. When this machine is piling, the pneumatic impactor needs to be replaced with a hydraulic hammer, which is inconvenient to replace. Therefore, there is an urgent need for a pile driver with a drilling function that can solve the above problems. Summary of the invention
[0003] In view of the problems existing in the above-mentioned prior art, the present invention provides a guide rail for a pile driver with a drilling function, which can realize a pile driver combining drilling and piling.
[0004] In order to achieve the above object, the present invention adopts the following technical solution:
[0005] A guide rail for a pile driver with a drilling function, comprising a vehicle body, a vertically arranged lower slide rail being installed on one side of the vehicle body, a first connecting rod being rotatably installed on the vehicle body, a support arm being hingedly connected to one end of the first connecting rod away from the vehicle body, a hammer clamping plate being hingedly connected to one end of the support arm away from the first connecting rod, an upper slide rail being slidably installed on the middle part of the hammer clamping plate, a support frame being installed on the lower end of the upper slide rail, an installation groove being provided on the upper end of the lower slide rail, and the support frame being adapted to the installation groove;
[0006] A fixing frame is installed on the outer side of the hammer clamp, a driving shell is installed on the bottom of the fixing frame, a hydraulic hammer is installed on the upper end of the driving shell, a drill rod is installed on the output end of the hydraulic hammer, the lower end of the drill rod passes through the driving shell and extends to the bottom, a drilling sleeve is sleeved on the outside of the drill rod, the upper end of the drilling sleeve is rotatably mounted on the inner upper end surface of the driving shell through a second bearing, a gap is left between the drilling sleeve and the drill rod, a driving device for driving the drilling sleeve is installed inside the driving shell, an air intake shell is installed on the bottom of the driving shell, an air intake pipe is installed on one side of the air intake shell, and a vent is opened on the middle part of the drilling sleeve of the air intake shell, a tripod is installed on one side of the bottom of the vehicle body, a shield is installed on one side of the tripod, the lower end of the drilling sleeve is rotatably mounted on the middle part of the shield, a drill bit is installed on the bottom of the drilling sleeve, the middle part of the drill bit is hollow, and the lower end of the drill rod passes through the center of the drill bit.
[0007] Preferably, the driving device includes a motor installed at the upper end of the driving shell, a connecting shaft is installed at the output end of the motor, the upper end of the connecting shaft is installed on the inner upper end of the driving shell through a first bearing, the lower end of the connecting shaft is installed on the inner lower end of the driving shell through a sealing gasket, a first gear is arranged in the middle of the connecting shaft, a blocking plate is fixed on the lower side wall of the driving shell, the blocking plate is sleeved on the outside of the drilling sleeve, a second gear is fixedly sleeved on the outside of the drilling sleeve, and the first gear and the second gear are meshed with each other.
[0008] Preferably, a first oil cylinder and a second oil cylinder are rotatably mounted on the vehicle body, one end of the first oil cylinder away from the vehicle body is hinged to the support arm, and one end of the second oil cylinder away from the vehicle body is hinged to the support frame.
[0009] Preferably, the upper end of the lower slide rail is a wedge opening, the lower end of the upper slide rail is a wedge opening, and the connection between the upper slide rail and the lower slide rail is adapted through a wedge structure.
[0010] Preferably, the gap between the drilling sleeve and the drill rod is not less than 3 cm.
[0011] Preferably, a support sleeve is installed in the gap between the middle of the drilling sleeve and the drill rod, an annular groove is provided on the inner wall of the drilling sleeve, the support sleeve is rotatably clamped inside the annular groove, and a through hole is provided in the side wall interlayer of the support sleeve.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] (1) The present invention combines piling and drilling by installing a rotatable drilling sleeve on the outside of the drill rod for piling, a drill bit is provided at the bottom of the drilling sleeve, a gap is left between the drilling sleeve and the drill bit, and an air inlet is provided on the side wall of the drilling sleeve. The device has high working efficiency, is not easy to be blocked between the drill bit and the drill rod, is flexible in construction, has low maintenance cost, and does not need to replace the hydraulic hammer when piling;
[0014] (2) The present invention realizes the foldability of the device by designing the upper and lower slide rails as detachable parts, thereby reducing the height of the device during transportation and facilitating transportation. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of the present invention;
[0016] Figure 2 is an internal cross-sectional view of a drive housing of the present invention;
[0017] Figure 3 It is the internal view of the lower end of the drilling sleeve and the drill rod of the present invention.
[0018] Description of reference numerals:
[0019] 1. The first connecting rod, 2. The first oil cylinder, 3. The support arm, 4. The hydraulic hammer, 5. The hammer clamp, 6. The upper slide rail, 7. The motor, 8. The drive shell, 9. The support frame, 10. The second oil cylinder, 11. The lower slide rail, 12. The drilling sleeve, 13. The shield, 14. The drill rod, 15. The tripod, 16. The first bearing, 17. The first gear, 18. The connecting shaft, 19. The sealing plate, 20. The air inlet hole, 21. The support sleeve, 22. The air inlet shell, 23. The plugging plate, 24. The second gear, 25. The second bearing, 26. The fixed frame, 27. The drill bit. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0021] like Figures 1 to 3 As shown, a guide rail for a pile driver with a drilling function comprises a vehicle body, a vertically arranged lower rail 11 is installed on one side of the vehicle body, a first connecting rod 1 is rotatably installed on the vehicle body, a support arm 3 is hinged on the end of the first connecting rod 1 away from the vehicle body, a hammer clamp 5 is hinged on the end of the support arm 3 away from the first connecting rod 1, an upper slide rail 6 is slidably installed in the middle of the hammer clamp 5, the upper end of the lower slide rail 11 is a wedge, and the lower end of the upper slide rail 6 is a wedge. The wedge design can realize convenient disengagement and easier adaptation. The connection between the upper slide rail 6 and the lower slide rail 11 is through The wedge-shaped structure is adapted, and a support frame 9 is installed at the lower end of the upper slide rail 6, and a mounting groove is provided at the upper end of the lower slide rail 11, and the support frame 9 is adapted to the mounting groove. The first oil cylinder 2 and the second oil cylinder 10 are rotatably installed on the vehicle body, and the end of the first oil cylinder 2 away from the vehicle body is hinged on the support arm 3, and the end of the second oil cylinder 10 away from the vehicle body is hinged on the support frame 9. The upper slide rail 6 can be driven by the oil cylinder to slide upward and disengage from the lower slide rail 11, thereby realizing that the upper slide rail 6 drives the fixing frame and the driving shell 8 to tilt inward, which can reduce the height of the device and facilitate transportation;
[0022] A fixing frame 26 is installed on the outer side of the hammer clamp 5, a driving shell 8 is installed on the bottom of the fixing frame 26, a hydraulic hammer 4 is installed on the upper end of the driving shell 8, a drill rod 14 is installed on the output end of the hydraulic hammer 4, the lower end of the drill rod 14 passes through the driving shell 8 and extends to the bottom, a drilling sleeve 12 is sleeved on the outside of the drill rod 14, the upper end of the drilling sleeve 12 is rotatably mounted on the inner upper end surface of the driving shell 8 through a second bearing 25, the drilling sleeve 12 is sleeved on the outside of the drill rod 14, a gap is left between the drilling sleeve 12 and the drill rod 14, the gap between the drilling sleeve 12 and the drill rod 14 is not less than 3 cm, and the gap is relatively large. The drill rod 14 is small and easy to be blocked. A support sleeve 21 is installed in the gap between the middle of the drilling sleeve 12 and the drill rod 14. An annular groove is provided on the inner wall of the drilling sleeve 12. The support sleeve 21 is rotatably clamped in the annular groove. The support sleeve 21 is rotatably installed in the inside of the drilling sleeve 12. A through hole is provided in the interlayer of the support sleeve 21. The drill rod 14 can move up and down in the support sleeve 21. The through hole in the support sleeve 21 is convenient for ventilation. A driving device for driving the drilling sleeve 12 is installed in the driving shell 8. The driving device includes a motor 7 installed at the upper end of the driving shell 8. A coupling shaft 18 is installed at the output end of the motor 7. The upper end of the connecting shaft 18 is installed on the inner upper end of the driving shell 8 through the first bearing 16, and the lower end of the connecting shaft 18 is installed on the inner lower end of the driving shell 8 through the sealing pad 19. The middle part of the connecting shaft 18 is provided with a first gear 17, and the lower side wall of the driving shell 8 is fixed with a blocking plate 23, and the blocking plate 23 is sleeved on the outside of the drilling sleeve 12, and the outside of the drilling sleeve 12 is fixedly sleeved with a second gear 24, and the first gear 17 and the second gear 24 are meshed and connected with each other, and the motor 7 drives the first gear 17 to rotate, and the first gear 17 drives the second gear 24 to rotate, and the second gear 24 can drive the drilling sleeve 12 to rotate. An air intake shell 22 is installed at the bottom of the shell 8, an air intake pipe is installed on one side of the air intake shell 22, the drilling sleeve 12 is located in the middle of the air intake shell 22 and has an air vent, a tripod 15 is installed on one side of the bottom of the vehicle body, a shield 13 is installed on one side of the tripod 15, the shield 13 can prevent splashing, the lower end of the drilling sleeve 12 is rotatably installed in the middle of the shield 13, a drill bit 27 is installed at the bottom of the drilling sleeve 12, the middle part of the drill bit 27 is hollow, the lower end of the drill rod 14 passes through the center of the drill bit 27, the drilling sleeve 12 rotates outside the drill rod 14, so as to facilitate the breaking of external hard objects during piling.
[0023] When in use, insert the support frame 9 at the bottom of the upper slide rail 6 into the slot at the upper end of the lower slide rail 11 to ensure that the upper and lower slide rails 11 are in the same straight line, turn on the control switch to start the hydraulic hammer 4 and the motor 7, and control the hammer clamp 5 to slide downward through the first oil cylinder 2 to perform drilling and piling work. During the piling process, the drilling sleeve 12 drives the drill bit 27 at the bottom to rotate, and the hydraulic hammer 4 drives the drill rod 14 inside the drilling sleeve 12 to move up and down to perform piling work. The air inlet 20 takes in air inward and blows it outward from between the drill bit 27 and the drill rod 14 to prevent blockage. The device combines drilling and piling, with high working efficiency and low cost.
[0024] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
Claims
1. A guide rail for a pile driver with a drilling function, comprising a vehicle body, characterized in that: A vertically arranged lower slide rail (11) is installed on one side of the vehicle body, a first connecting rod (1) is rotatably installed on the vehicle body, a support arm (3) is hingedly connected to one end of the first connecting rod (1) away from the vehicle body, a hammer clamp (5) is hingedly connected to one end of the support arm (3) away from the first connecting rod (1), an upper slide rail (6) is slidably installed in the middle of the hammer clamp (5), a support frame (9) is installed at the lower end of the upper slide rail (6), and a mounting groove is provided at the upper end of the lower slide rail (11), and the support frame (9) is adapted to the mounting groove; A fixing frame (26) is installed on the outside of the hammer clamp (5), a driving shell (8) is installed on the bottom of the fixing frame (26), a hydraulic hammer (4) is installed on the upper end of the driving shell (8), a drill rod (14) is installed on the output end of the hydraulic hammer (4), the lower end of the drill rod (14) passes through the driving shell (8) and extends to the bottom, a drilling sleeve (12) is sleeved on the outside of the drill rod (14), the upper end of the drilling sleeve (12) is rotatably mounted on the inner upper end surface of the driving shell (8) through a second bearing (25), a gap is left between the drilling sleeve (12) and the drill rod (14), and a useful A driving device for driving a drilling sleeve (12), wherein an air intake shell (22) is installed at the bottom of the driving shell (8), an air intake pipe is installed on one side of the air intake shell (22), and an air vent is opened in the middle of the air intake shell (22) of the drilling sleeve (12), a tripod (15) is installed on one side of the bottom of the vehicle body, a shield (13) is installed on one side of the tripod (15), the lower end of the drilling sleeve (12) is rotatably installed in the middle of the shield (13), a drill bit (27) is installed at the bottom of the drilling sleeve (12), the middle of the drill bit (27) is hollow, and the lower end of the drill rod (14) passes through the center of the drill bit (27); The driving device comprises a motor (7) mounted on the upper end of a driving housing (8); a connecting shaft (18) is mounted on the output end of the motor (7); the upper end of the connecting shaft (18) is mounted on the upper end of the driving housing (8) via a first bearing (16); the lower end of the connecting shaft (18) is mounted on the lower end of the driving housing (8) via a sealing pad (19); a first gear (17) is arranged in the middle of the connecting shaft (18); a blocking plate (23) is fixed to the lower side wall of the driving housing (8); the blocking plate (23) is sleeved on the outside of a drilling sleeve (12); a second gear (24) is fixedly sleeved on the outside of the drilling sleeve (12); and the first gear (17) and the second gear (24) are meshed and connected with each other.
2. A guide rail for a pile driver with a drilling function according to claim 1, characterized in that: A first oil cylinder (2) and a second oil cylinder (10) are rotatably mounted on the vehicle body; an end of the first oil cylinder (2) away from the vehicle body is hinged to a support arm (3); and an end of the second oil cylinder (10) away from the vehicle body is hinged to a support frame (9).
3. A guide rail for a pile driver with a drilling function according to claim 2, characterized in that: The upper end of the lower slide rail (11) is a wedge opening, the lower end of the upper slide rail (6) is a wedge opening, and the connection between the upper slide rail (6) and the lower slide rail (11) is adapted via a wedge-shaped structure.
4. A guide rail for a pile driver with a drilling function according to claim 3, characterized in that: The gap between the drilling sleeve (12) and the drill rod (14) is not less than 3 cm.
5. The guide rail for a pile driver with a drilling function according to claim 4, characterized in that: A support sleeve (21) is installed in the gap between the middle of the drilling sleeve (12) and the drill rod (14); an annular groove is provided on the inner wall of the drilling sleeve (12); the support sleeve (21) is rotatably engaged in the annular groove; and a through hole is provided in the side wall interlayer of the support sleeve (21).