Concrete pile head dismantling device
By designing an automated concrete pile head removal device, efficient removal and transfer of concrete pile heads is achieved, the problems of manual operation time and safety hazards are solved, and dust treatment functions are provided.
Patent Information
- Application Number
- CN202422727623.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-11-08
AI Technical Summary
In the prior art, the removal of concrete pile heads relies on manual operation, which consumes time, is inefficient, and poses safety hazards.
A device including a mobile base, a lifting frame, a removal lifting mechanism and a rotary lifting mechanism is designed to realize the automatic removal and transfer of concrete pile heads through collaborative operations, and to deal with dust with dust reduction mechanism.
The demolition and transfer process of concrete pile heads has been simplified, operating efficiency has been improved, safety hazards have been avoided, safety has been improved, and dust has been effectively reduced.
Smart Images

Figure CN223269219U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building pile head removal equipment, in particular to a concrete pile head removal device. Background Art
[0002] A cast-in-place pile is a type of pile created by pouring concrete or reinforced concrete into a bored hole. Commonly used types include bored cast-in-place piles and sunken-tube cast-in-place piles. According to relevant standards and construction requirements, the top elevation of the pile should be at least 0.5 meters higher than the design elevation. In cases of poor geology, the overfill height should be appropriately increased, and any excess should be removed before foundation construction.
[0003] In the existing technology, the demolition of concrete pile heads usually relies on manual operation and the assistance of lifting equipment. However, this traditional operation method not only consumes human resources and time costs, but also has low demolition efficiency. More importantly, the manual demolition process is very likely to cause safety accidents due to improper operation or negligence, posing a threat to the safety of operators that cannot be ignored. Utility Model Content
[0004] The purpose of the utility model is to provide a concrete pile head removal device, which is used to solve the problems in the prior art that the removal of the concrete pile head relies on manual labor and hoisting, is time-consuming and inefficient, and is prone to safety accidents due to improper operation, threatening the safety of operators.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a concrete pile head removal device, comprising a mobile base, a lifting frame, a removal lifting mechanism connected to the lifting frame, and a rotating lifting mechanism arranged on the upper side of the mobile base and connected to the lifting frame, wherein the lifting frame can be lifted longitudinally and rotated horizontally by the rotating lifting mechanism; the removal lifting mechanism comprises a protective tube connected to the lifting frame, a plurality of strip openings arranged on the outer wall of the protective tube and arranged at annular intervals, a polygonal mounting ring connected to the lower side of the protective tube, a plurality of hydraulic cylinders arranged on the outer wall of the polygonal mounting ring and arranged at annular intervals, a bullet-shaped column connected to the output end of the hydraulic cylinder, and a protective tube arranged on the inner wall of the polygonal mounting ring and respectively sleeved on the outer walls of the plurality of bullet-shaped columns.
[0006] Furthermore, the lifting frame includes a fixing ring connected to the outer wall of the protective tube, a plurality of fixing columns arranged on the upper side of the fixing ring and spaced apart, and a fixing plate arranged at one end of the plurality of fixing columns.
[0007] Furthermore, the rotating lifting mechanism includes an installation box connected to the upper side of the movable base, a mounting plate arranged in the installation box, a first motor arranged on the lower side of the installation plate, a rotating shaft connected to the output end of the first motor, a rotating chassis connected to one end of the rotating shaft and slidingly matched with the upper side of the installation box, an L-shaped bracket arranged on the upper side of the rotating chassis, a groove arranged on the upper side of the L-shaped bracket, a guide roller and a winding roller rotatably connected in the groove and arranged at intervals, a second motor arranged on one side of the L-shaped bracket, a lifting rope arranged on the winding roller and slidingly matched with the guide roller, one end of the lifting rope is connected to the upper side of the fixed disk, and the output shaft of the second motor is connected to one end of the winding roller.
[0008] Furthermore, a crossbeam is provided on one side of the fixed plate, a second slider is provided on one side of the crossbeam, and a linear slide groove is provided on one side of the interior of the L-shaped bracket and slidably cooperates with the second slider.
[0009] Furthermore, an annular slide groove is provided on the upper side of the installation box, and two first sliding blocks arranged at intervals are provided on the lower side of the rotating chassis, and the two first sliding blocks are both slidably matched with the annular slide groove.
[0010] Furthermore, a rechargeable battery pack located on one side of the first motor is provided on the lower inner side of the installation box.
[0011] Furthermore, the movable base is threaded with four spaced-apart ground anchors, and the installation box is located between the four ground anchors.
[0012] Furthermore, a water tank connected to one side of the installation box is provided on the movable base; a dust reduction mechanism located between a plurality of fixed columns is provided on the lower side of the fixed plate, and the dust reduction mechanism is connected to the water tank.
[0013] Furthermore, the dust reduction mechanism includes an annular tube connected to the lower side of the fixed plate, a plurality of atomizing nozzles arranged at intervals at the outer bottom of the annular tube, a hard tube arranged on one side of the annular tube, a corrugated hose connected to one end of the hard tube, a water outlet pipe connected to one end of the corrugated hose, and a water pump arranged on the water outlet pipe section, and the water outlet pipe is connected to one side of the water tank.
[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0015] 1. When dismantling concrete pile heads, the mobile base, lifting frame, dismantling lifting mechanism, and rotating lifting mechanism work together to remove and lift the concrete pile heads. This device not only simplifies the concrete pile head removal and transfer process, but also improves operational efficiency, avoiding the time-consuming, inefficient, and safety-related issues of manual operation, thereby improving the safety of concrete pile head removal operations.
[0016] 2. During the demolition operation, the dust generated during the operation is treated by the coordinated cooperation of the water tank, water pump, water outlet pipe, corrugated hose, ring pipe, and multiple atomizing nozzles, thereby facilitating the dust reduction treatment of the dust generated during the demolition operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a structural diagram of a concrete pile head removal device according to the present invention;
[0018] Figure 2 It is a cross-sectional schematic diagram of the concrete pile head removal device of the present utility model;
[0019] Figure 3 This is a top view of the multilateral mounting ring of the present invention;
[0020] Figure 4 This is a system control block diagram of the concrete pile head removal device of the present utility model.
[0021] Figure: 1. Mobile base; 2. Rotating lifting mechanism; 3. Lifting frame; 4. Removing the lifting mechanism; 5. Dust suppression mechanism; 6. Mounting box; 7. Mounting plate; 8. First motor; 9. Rotating shaft; 10. Rotating chassis; 11. Annular chute; 12. First slider; 13. L-shaped bracket; 14. Groove; 15. Second motor; 16. Winding roller; 17. Guide roller; 18. Lifting rope; 19. Linear chute; 20. Fixed plate; 21. Fixed column; 22. Fixed ring; 23. Crossbeam; 24. Second slide; 25. Protective tube; 26. Strip opening; 27. Multi-sided mounting ring; 28. Protective tube; 29. Hydraulic cylinder; 30. Bullet-shaped plug column; 31. Ring tube; 32. Atomizing nozzle; 33. Water tank; 34. Hard tube; 35. Corrugated hose; 36. Water outlet pipe; 37. Water pump; 38. Ground anchor; 39. Rechargeable battery pack. DETAILED DESCRIPTION
[0022] See also Figure 1-4, a concrete pile head removal device includes a mobile base 1, which is composed of a base plate and four mobile wheels evenly distributed and installed on the lower side of the base plate to facilitate the movement of the device; it also includes a lifting frame 3, a removal lifting mechanism 4 connected to the lifting frame 3, and a rotating lifting mechanism 2 provided on the upper side of the mobile base 1 and connected to the lifting frame 3, the lifting frame 3 can be lifted longitudinally and rotated horizontally by the rotating lifting mechanism 2; the removal lifting mechanism 4 includes a protective cylinder 25 connected to the lifting frame 3, a plurality of strip openings 26 provided on the outer wall of the protective cylinder 25 and arranged at annular intervals, a polygonal mounting ring 27 connected to the lower side of the protective cylinder 25, a plurality of hydraulic cylinders 29 installed on the outer wall of the polygonal mounting ring 27 and arranged at annular intervals, a bullet-shaped plug 30 connected to the output end of the hydraulic cylinder 29, and a protective cylinder 28 connected to the inner wall of the polygonal mounting ring 27 and respectively sleeved on the outer walls of the plurality of bullet-shaped plugs 30; the arrangement of the plurality of strip openings 26 reduces the weight of the protective cylinder 25 itself without affecting the protective cylinder 2 After the pile head is completely removed, the lifting mechanism 2 is rotated and the lifting frame 3 is driven to lower, and the lifting mechanism 3 is driven to lower, and the lifting mechanism 4 is driven to lower, and the lifting frame 3 is driven to lower, and the lifting mechanism 4 is driven to lower, and the lifting mechanism 3 is driven to lower, and the lifting mechanism 4 is driven to lower, and the lifting mechanism 3 is driven to lower, and the lifting mechanism 4 is driven to lower, and the lifting mechanism 3 is driven to lower, and the lifting mechanism 4 is driven to lower, and the lifting mechanism 3 is driven to lower, and the lifting mechanism 4 is driven to lower, and the lifting mechanism 3 is driven to lower, and the lifting mechanism 4 is driven to lower, and the lifting mechanism 3 is driven to lower, and the lifting mechanism 3 is driven to lower, and the lifting mechanism 4 is driven to lower, and the lifting mechanism 3 is driven to lower The demolished pile head is driven to rise to a certain height again (during the rising process, the demolished pile head is located in the protective tube 25 to prevent it from falling), and the pile head is transferred to the top of the preset transportation equipment through a rotating action. Then, multiple hydraulic cylinders 29 are controlled, and multiple bullet-shaped columns 30 are retracted into the protective tube 28, and the pile head enters the transportation equipment; furthermore, this device not only simplifies the removal and transfer process of the concrete pile head, but also improves the operation efficiency, avoids the problems of long time, low efficiency and safety hazards caused by manual operation, and improves the safety of the concrete pile head removal operation.
[0023] The lifting frame 3 includes a fixing ring 22 connected to the outer wall of the protective tube 25, a plurality of fixing columns 21 connected to the upper side of the fixing ring 22 and arranged at intervals, and a fixing plate 20 connected to one end of the plurality of fixing columns 21; the rotating lifting mechanism 2 includes a mounting box 6 connected to the upper side of the mobile base 1, a mounting plate 7 connected in the mounting box 6, a first motor 8 installed on the lower side of the mounting plate 7, a rotating shaft 9 connected to the output end of the first motor 8, a rotating chassis 10 connected to one end of the rotating shaft 9 and slidingly matched with the upper side of the mounting box 6, an L-shaped bracket 13 connected to the upper side of the rotating chassis 10, a groove 14 provided on the upper side of the inner part of the L-shaped bracket 13, a guide roller 17 and a winding roller 16 rotatably connected in the groove 14 and arranged at intervals, and a first Two motors 15, a lifting rope 18 wound around the winding roller 16 and slidingly matched with the guide roller 17, one end of the lifting rope 18 is connected to the upper side of the fixed disk 20, and the output shaft of the second motor 15 is connected to one end of the winding roller 16; when controlling the lifting and lowering of the dismantling lifting mechanism 4, the second motor 15 is controlled to be turned on, and the second motor 15 drives the winding roller 16 to reel or unwind the lifting rope 18, and the reeling or unwinding action of the lifting rope 18 drives the dismantling lifting mechanism 4 to be lifted and lowered. When driving it to rotate, the first motor 8 is controlled to be turned on, and the first motor 8 drives the rotating shaft 9 to rotate, and the rotating shaft 9 drives the rotating chassis 10 to rotate, and synchronously drives the L-shaped bracket 13, the lifting frame 3, and the dismantling lifting mechanism 4 to rotate, thereby facilitating the rotation or lifting of the dismantling lifting mechanism 4.
[0024] A crossbeam 23 is connected to one side of the fixed plate 20, and a second slider 24 is connected to one side of the crossbeam 23. A linear slide 19 is provided on one side of the interior of the L-shaped bracket 13 and slides with the second slider 24. When the lifting frame 3 is driven to rise and fall, the crossbeam 23 connected to the fixed plate 20 rises and falls at the same time, and the second slider 24 connected to the crossbeam 23 slides linearly in the linear slide 19, thereby improving the stability of the lifting mechanism 4 during dismantling.
[0025] An annular slide groove 11 is provided on the upper side of the mounting box 6, and two first sliders 12 arranged at intervals are connected to the lower side of the rotating chassis 10, and the two first sliders 12 are slidably engaged with the annular slide groove 11; when the rotating chassis 10 rotates, the two first sliders 12 are located in the annular slide groove 11 and perform circular motion, thereby improving the stability of the rotating chassis 10 and the L-shaped bracket 13 during rotation.
[0026] A rechargeable battery pack 39 is provided on the lower inner side of the installation box 6 and is located on one side of the first motor 8. The rechargeable battery pack 39 allows the device to be used in an external environment without power supply.
[0027] The movable base 1 is threaded with four spaced-apart ground anchors 38 , and the mounting box 6 is located between the four ground anchors 38 . By rotating the four ground anchors 38 downward and tightening them, the movable base 1 can be easily fixed to the ground.
[0028] A water tank 33 connected to one side of the installation box 6 is connected to the mobile base 1; a dust reduction mechanism 5 located between multiple fixed columns 21 is provided on the lower side of the fixed plate 20, and the dust reduction mechanism 5 is connected to the water tank 33; the dust reduction mechanism 5 includes an annular pipe 31 connected to the lower side of the fixed plate 20, a plurality of atomizing nozzles 32 installed at the outer bottom of the annular pipe 31 and arranged at intervals, a hard pipe 34 connected to one side of the annular pipe 31, a corrugated hose 35 connected to one end of the hard pipe 34, a water outlet pipe 36 connected to one end of the corrugated hose 35, and a water pump 37 installed on the pipe section of the water outlet pipe 36, and the water outlet pipe 36 is connected to one side of the water tank 33; during the dismantling operation, the water pump 37 is turned on, and under the action of the water pump 37, the water in the water tank 33 enters the annular pipe 31 through the water outlet pipe 36, the corrugated hose 35, and the hard pipe 34, and is sprayed out through the multiple atomizing nozzles 32, so as to reduce the dust generated during the operation, thereby facilitating the reduction of dust generated during the dismantling operation.
[0029] A controller electrically connected to the first motor 8 , the second motor 15 , the plurality of hydraulic cylinders 29 , and the water pump 37 is provided on one side of the installation box 6 .
[0030] Working principle: When dismantling the concrete pile head, first, move the device to the side of the concrete pile head to be dismantled by moving the base 1, and ensure that the dismantling lifting mechanism 4 is located directly above the pile head, rotate downward and tighten the four anchors 38 to fix the mobile base 1 on the ground, then the controller controls the second motor 15 to start, and the second motor 15 drives the winding roller 16 to pay out the lifting rope 18, and the lifting frame 3 is driven to descend by the pay-out action of the lifting rope 18, and the second slider 24 connected to the crossbeam 23 is located in the linear slide 19 and slides linearly, at the same time, the lifting frame 3 is linked to the dismantling lifting mechanism 4 and descends until it is sleeved on the outside of the concrete pile head, when it reaches the predetermined descending position, the controller controls multiple hydraulic cylinders 29 and water pumps 37 to start at the same time, and the multiple hydraulic cylinders 29 respectively drive multiple bullet heads The bullet-shaped plug 30 is gradually embedded in the periphery of the concrete pile head. As the bullet-shaped plug 30 goes deeper, the protective layer on the outside of the concrete pile head is detached. At the same time, under the action of the water pump 37, the water in the water tank 33 enters the annular pipe 31 through the outlet pipe 36, the corrugated hose 35, and the hard pipe 34, and is sprayed out through multiple atomizing nozzles 32 to deal with the dust generated during the operation. At this time, the controller controls the second motor 15 to turn on, and the second motor 15 drives the winding roller 16 to wind up the lifting rope 18. The winding action of the lifting rope 18 drives the removal lifting mechanism 4 to rise, so that the detached outer protective layer falls to the ground. After that, the whole device will repeat the above-mentioned descending and inserting process until multiple bullet-shaped plugs 30 completely penetrate and decompose the entire concrete pile head. After the pile head is completely removed, the rotating lifting mechanism 2 The demolished pile head is driven to rise to a certain height again, and the first motor 8 is controlled to start, the first motor 8 drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the rotating chassis 10 to rotate, and synchronously drives the L-shaped bracket 13, the lifting frame 3, and the demolition lifting mechanism 4 to rotate, and the two first sliders 12 are located in the annular slide groove 11 and perform circular motion to transfer the pile head to the top of the preset transportation equipment. Then, multiple hydraulic cylinders 29 are controlled, and multiple bullet-shaped columns 30 are retracted into the protective tube 28, and the pile head enters the transportation equipment; furthermore, the device not only simplifies the demolition and transfer process of the concrete pile head, but also improves the working efficiency, avoids the problems of long time, low efficiency and safety hazards caused by manual operation, and improves the safety of the concrete pile head demolition operation.
[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A concrete pile head removal device, comprising a mobile base (1), characterized in that: The invention also includes a lifting frame (3), a dismantling lifting mechanism (4) connected to the lifting frame (3), and a rotating lifting mechanism (2) provided on the upper side of the mobile base (1) and connected to the lifting frame (3), wherein the lifting frame (3) can be lifted longitudinally and rotated horizontally by the rotating lifting mechanism (2); the dismantling lifting mechanism (4) includes a protective tube (25) connected to the lifting frame (3), a plurality of strip-shaped openings (26) provided on the outer wall of the protective tube (25) and arranged at annular intervals, a polygonal mounting ring (27) connected to the lower side of the protective tube (25), a plurality of hydraulic cylinders (29) provided on the outer wall of the polygonal mounting ring (27) and arranged at annular intervals, a bullet-shaped plug (30) connected to the output end of the hydraulic cylinder (29), and a protective tube (28) provided on the inner wall of the polygonal mounting ring (27) and respectively sleeved on the outer walls of the plurality of bullet-shaped plugs (30).
2. A concrete pile head removal device according to claim 1, characterized in that: The lifting frame (3) includes a fixing ring (22) connected to the outer wall of the protective tube (25), a plurality of fixing columns (21) arranged on the upper side of the fixing ring (22) and spaced apart, and a fixing plate (20) provided at one end of the plurality of fixing columns (21).
3. A concrete pile head removal device according to claim 2, characterized in that: The rotary lifting mechanism (2) includes an installation box (6) connected to the upper side of the mobile base (1), a mounting plate (7) arranged in the installation box (6), a first motor (8) arranged on the lower side of the installation plate (7), a rotating shaft (9) connected to the output end of the first motor (8), a rotating chassis (10) connected to one end of the rotating shaft (9) and slidingly matched with the upper side of the installation box (6), an L-shaped bracket (13) arranged on the upper side of the rotating chassis (10), a groove (14) arranged on the upper side of the L-shaped bracket (13), a guide roller (17) and a winding roller (16) rotatably connected in the groove (14) and arranged at intervals, a second motor (15) arranged on one side of the L-shaped bracket (13), and a lifting rope (18) arranged on the winding roller (16) and slidingly matched with the guide roller (17), one end of the lifting rope (18) is connected to the upper side of the fixed disk (20), and the output shaft of the second motor (15) is connected to one end of the winding roller (16).
4. A concrete pile head removal device as claimed in claim 3, characterized in that: A crossbeam (23) is provided on one side of the fixed plate (20), a second slider (24) is provided on one side of the crossbeam (23), and a linear slide groove (19) is provided on one side of the interior of the L-shaped bracket (13) and is in sliding engagement with the second slider (24).
5. The concrete pile head removal device according to claim 3, characterized in that: An annular slide groove (11) is provided on the upper side of the installation box (6), and two first sliders (12) arranged at intervals are provided on the lower side of the rotating chassis (10), and both of the first sliders (12) are in sliding engagement with the annular slide groove (11).
6. The concrete pile head removal device according to claim 3, characterized in that: A rechargeable battery pack (39) located on one side of the first motor (8) is provided on the lower inner side of the installation box (6).
7. The concrete pile head removal device according to claim 3, characterized in that: Four spaced-apart ground anchors (38) are threadedly engaged on the mobile base (1), and the installation box (6) is located between the four ground anchors (38).
8. The concrete pile head removal device according to claim 3, characterized in that: The movable base (1) is provided with a water tank (33) connected to one side of the installation box (6); the lower side of the fixed plate (20) is provided with a dust reduction mechanism (5) located between a plurality of fixed columns (21), and the dust reduction mechanism (5) is communicated with the water tank (33).
9. The concrete pile head removal device according to claim 8, characterized in that: The dust suppression mechanism (5) comprises an annular tube (31) connected to the lower side of the fixed plate (20), a plurality of atomizing nozzles (32) arranged at intervals on the outer bottom of the annular tube (31), a hard tube (34) arranged on one side of the annular tube (31), a corrugated hose (35) connected to one end of the hard tube (34), a water outlet pipe (36) connected to one end of the corrugated hose (35), and a water pump (37) provided on a pipe section of the water outlet pipe (36), wherein the water outlet pipe (36) is connected to one side of the water tank (33).