Perpendicularity monitoring device for PHC prefabricated pipe pile

Abstract

The invention discloses a perpendicularity monitoring device for a PHC prefabricated pipe pile, and relates to the technical field of pile foundation construction, and the perpendicularity monitoring device is characterized in that the perpendicularity monitoring device comprises a detection mechanism, and the detection mechanism comprises a stable ring frame used for sleeving the pipe pile, a plurality of sets of measuring needles evenly distributed on the stable ring frame and a plurality of sets of feedback assemblies connected with the measuring needles; when the device is in a monitoring state, the measuring needle abuts against the outer surface of the tubular pile; the feedback assembly is in signal connection with an integrated module which is provided with an alarm. When the pipe pile inclines, the measuring needle on the corresponding side touches the feedback assembly, so that the feedback assembly transmits a signal to the alarm to give an alarm. In the pile sinking process, the stabilizing ring frame is arranged on the periphery of the pipe pile, and the multiple sets of measuring needles abutting against the outer surface of the pipe pile are arranged on the stabilizing ring frame, so that when the pile body inclines in the pile sinking process, the measuring needles send a signal alarm to the alarm through the movable driving feedback assembly, and then the perpendicularity of the pile body is conveniently adjusted; and the pile sinking construction efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of pile foundation construction, and in particular to a verticality monitoring device for a PHC prefabricated pipe pile. Background Art

[0002] PHC prefabricated pipe pile is a new type of pile foundation component made by prestressing technology and centrifugal forming method. It is a hollow cylindrical concrete prefabricated component with high compressive strength and can provide higher bearing capacity. Since prefabricated pipe piles need to be driven into the ground by a pile driver for pile sinking, it is difficult for the pile driver to maintain absolute vertical force, so the pile body will be skewed during the pile sinking process. The inclined pile body is difficult to provide good force. In the process of pile sinking, the verticality of the pile body needs to be measured for each end distance pressed in. This work is currently implemented manually using surveying and mapping instruments, and requires multi-point detection. The overall operation process is complicated. At the same time, the detection has no real-time feedback. It is easy to detect that when the pile foundation is skewed, it may have been pressed into a deeper position underground, making the subsequent straightening and adjustment work more difficult, resulting in slow progress of pile sinking operations and low work efficiency.

[0003] In view of this, a design or technical improvement is now proposed to solve the above problems.

[0004] The above contents are only used to assist in understanding the technical solution of the present invention, and do not constitute an admission that the above contents are the closest prior art. Summary of the invention

[0005] The purpose of the present invention is to solve the above-mentioned shortcomings and provide a verticality monitoring device for PHC prefabricated pipe piles.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] A verticality monitoring device for a PHC prefabricated pipe pile comprises a detection mechanism, wherein the detection mechanism comprises a stabilizing ring frame for sleeved outside the pipe pile, a plurality of groups of measuring needles evenly arranged on the stabilizing ring frame and movable along the radial limit of the stabilizing ring frame, and a plurality of groups of feedback components connected to the measuring needles; when the device is in a monitoring state, the measuring needles abut against the outer surface of the pipe pile; the feedback component signal is connected to an integrated module, and an alarm is arranged on the integrated module; when the pipe pile tilts, the measuring needle on the corresponding side thereof triggers the feedback component, so that the feedback component transmits a signal to the alarm to issue an alarm.

[0008] Furthermore, a plurality of groups of movable sleeves are evenly arranged on the stabilizing ring frame, the measuring needle is sleeved in the movable sleeve for limited sliding, and a first spring is arranged between the measuring needle and the inner wall of the movable sleeve.

[0009] Furthermore, the feedback component includes a trigger component that sends a signal to the alarm and a transmission component arranged between the measuring needle and the trigger component; when the pile is tilted, the measuring needle on the corresponding side controls the trigger component to send a signal through the transmission component.

[0010] Furthermore, the trigger assembly includes a base, a signal transmitter arranged on the base, and a first switch installed on the base; the transmission assembly includes a reversing wheel arranged on the base, a limit slide rod arranged at the rear end of the measuring needle and movably connected with the movable sleeve, a connecting rope arranged at the end of the limit slide rod away from the measuring needle and overlapped on the reversing wheel, and a pressure contact block arranged at the end of the connecting rope away from the limit slide rod and located directly above the first switch; when the detection mechanism is working, the pressure contact block contacts the signal transmitter so that the first switch is in a compressed state, and when all the first switches are in a compressed state, the alarm does not work, and when any one or more groups of first switches are in a pop-up state, the signal transmitter sends a signal to the alarm to trigger the alarm.

[0011] Furthermore, it also includes a correction mechanism for correcting the inclination of the pipe pile, which includes a plurality of traction machines corresponding to the number of feedback components, a sleeve ring that is sleeved and stabilized on the outer surface of the pipe pile, and a steel wire rope arranged between the traction machine and the sleeve ring.

[0012] Furthermore, a second switch is provided on the integrated module. When the second switch is triggered and any one or more groups of first switches are in a pop-up state, the traction machine on the side corresponding to the first switch in the pop-up state starts to reel in the wire rope.

[0013] Furthermore, it also includes a third switch connected to the integrated module point for opening and closing the integrated module.

[0014] Furthermore, a limit frame is provided on the base, and a limit groove is provided on the limit frame for the signal transmitter to slide up and down. The signal transmitter is provided with an L-shaped folding plate that slides against the outer surface of the limit frame, and the L-shaped folding plate is threadedly connected with a locking screw that abuts against the outer surface of the limit frame.

[0015] Furthermore, the stabilizing ring frame and the fixing ring are respectively composed of two sets of matching first half rings and second half rings, and the first half rings and the second half rings are locked by a bolt group, and a rubber pad is arranged inside the second half ring.

[0016] Furthermore, a stabilizing plate for increasing weight is detachably provided at the bottom of the traction machine.

[0017] Compared with the prior art, the beneficial effect of the present solution is as follows: during the pile sinking process, the present invention arranges a stabilizing ring frame on the periphery of the pipe pile, and arranges multiple groups of measuring needles on the stabilizing ring frame that abut against the outer surface of the pipe pile. When the pile body is skewed during the pile sinking process, its skewed side will abut against the measuring needles on the corresponding side, and then the measuring needles send a signal alarm to the alarm through the active drive feedback component, which can quickly detect the skewness of the pile body, facilitate the adjustment of the verticality of the pile body, and improve the efficiency of pile sinking construction.

[0018] The present invention is also provided with a correction mechanism cooperating with the detection mechanism, and uses a switch signal for linkage control, so that when the detection mechanism detects that the pile body is skewed, the traction machine on the corresponding side will start, and then the pile body will be automatically corrected and straightened, avoiding the problem of insufficient precision in manual straightening of the pile body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0020] Figure 1 is a front perspective schematic diagram of an embodiment of the present invention;

[0021] Figure 2 1 is a top view schematic diagram of the coordination relationship between the detection mechanism and the pipe pile in an embodiment of the present invention;

[0022] Figure 3 is a front view schematic diagram of a detection mechanism in an embodiment of the present invention;

[0023] Figure 4 is a schematic diagram of the internal structure of the movable sleeve in an embodiment of the present invention;

[0024] Figure 5 is a schematic diagram of the coordination relationship between the transmission component and the trigger component in an embodiment of the present invention;

[0025] Figure 6 is a schematic structural diagram of a signal transmitter in an embodiment of the present invention;

[0026] Figure 7 Schematic diagram of the system framework of an embodiment of the present invention.

[0027] In the figure: 1. stabilizing ring frame; 11. measuring needle; 12. alarm; 2. movable sleeve; 21. first spring; 3. base; 31. signal transmitter; 32. first switch; 4. reversing wheel; 41. limit slide bar; 42. connecting rope; 43. pressure contact block; 5. traction machine; 51. sleeve fixing ring; 52. wire rope; 53. second switch; 54. third switch; 6. limit frame; 61. limit groove; 62. L-shaped folding plate; 63. locking screw; 7. first half ring; 71. second half ring; 72. bolt group; 8. stabilizing plate. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0029] like Figure 1-7 The verticality monitoring device of a PHC prefabricated pipe pile shown in the figure comprises a detection mechanism, which comprises a stabilizing ring frame 1 for sleeved outside the pipe pile, a plurality of groups of measuring needles 11 evenly arranged on the stabilizing ring frame 1 and movable along the radial limit of the stabilizing ring frame 1, and a plurality of feedback components connected to the measuring needles 11. The measuring needles 11 can be set to a minimum of three groups so that they can be evenly abutted from all sides of the pile body. In this embodiment, four groups are set; the feedback component signal is connected to an integrated module, and an alarm 12 is arranged on the integrated module. The integrated module can be set in the form of a portable remote control, or it can be placed on the console of a pile driver; a plurality of groups of movable sleeves 2 are evenly arranged on the stabilizing ring frame 1, and the measuring needles 11 are sleeved in the movable sleeves 2 to limit and slide, and a first spring 21 is arranged between the measuring needles 11 and the inner wall of the movable sleeve 2, when the pipe pile is being sunk. Before sinking, firstly, the stabilizing ring frame 1 is sleeved on the outside of the pipe pile, so that the measuring needle 11 is pushed and abutted against the outer surface of the pile body under the action of the first spring 21, and then the feedback component is arranged and connected with the measuring needle 11. When the pile body is skewed during the pile sinking process, its skewed side will abut and push the measuring needle 11 on the corresponding side to move, while the measuring needle 11 on the reverse side continues to extend forward under the action of the first spring 21, and then the movement of the measuring needle 11 is received by the feedback component, and it is transmitted to the alarm 12 on the integrated module in the form of a remote signal to make it sound an alarm, and the pile driver operator can quickly receive feedback on the skew of the pile body, and then quickly stop the pile driving operation and adjust the pile foundation, avoiding the situation where the pile body is pressed into the ground in a skewed state and it is difficult to straighten and adjust, while optimizing the manual inspection process and improving the pile sinking efficiency.

[0030] In one embodiment, the feedback component includes a trigger component that sends a signal to the alarm 12 and a transmission component arranged between the measuring needle 11 and the trigger component; when the pile is tilted, the measuring needle 11 on the corresponding side controls the trigger component to send a signal through the transmission component, and the trigger component includes a base 3, a signal transmitter 31 arranged on the base 3, and a first switch 32 installed on the base 3, the first switch 32 is a spring switch in the prior art, which can automatically pop up in a non-pressurized state; the transmission component includes a reversing wheel 4 arranged on the base 3, a limit slide bar 41 arranged at the rear end of the measuring needle 11 and movably connected with the movable sleeve 2, a connecting rope 42 arranged at the end of the limit slide bar 41 away from the measuring needle 11 and overlapped on the reversing wheel 4, and a pressure contact block 43 arranged at the end of the connecting rope 42 away from the limit slide bar 41 and located directly above the first switch 32; when the detection mechanism is working, the pressure contact block 43 contacts the signal transmitter 31 so that the first switch 32 is in a pressurized state, and when the first switch When all switches 32 are under pressure, the alarm 12 does not work. When any one or more sets of first switches 32 are in a pop-up state, the signal transmitter 31 sends a signal to the alarm 12 to trigger the alarm. The specific working principle of the detection mechanism is: after the verticality calibration before the pile is sunk, the outer surface of the pile is abutted with the measuring needle 11, and the base 3 is placed in an appropriate position so that the connecting rope 42 is stretched and overlapped on the reversing wheel 4, and the pressure contact block 43 is pressed on the first switch 32 to ensure that the alarm 12 does not work. When the pile body is skewed, it will abut the measuring needle 11 on one side to make it shrink into the movable sleeve 2, while the measuring needle 11 on the opposite side continues to extend under the push of the first spring 21. At this time, the limiting slide bar 41 at the rear end of the measuring needle 11 follows the movement, and the pressure contact block 43 is pulled up by the connecting rope 42 to separate it from the signal transmitter 31, and then the first switch 32 pops up, and the signal transmitter 31 transmits a signal to the alarm 12 to make it sound an alarm to remind the skew of the pile body.

[0031] In one embodiment, a correction mechanism for correcting the inclination of the pile is also included. The correction mechanism includes a plurality of traction machines 5 corresponding to the number of feedback components, a sleeve ring 51 sleeved and stabilized on the outer surface of the pile, and a steel wire rope 52 arranged between the traction machine 5 and the sleeve ring 51. The traction machine 5 and the base 3 are synchronously set to four groups, and are correspondingly located on the extension line of the connection line between each group of the base 3 and the center of the pile. A second switch 53 is also provided on the integrated module. When the second switch 53 is triggered and any one or more groups of first switches 32 are in a pop-up state, the traction machine 5 on the side corresponding to the first switch 32 in the pop-up state starts to reel in the steel wire rope 52. When the signal transmitter 31 feeds back a signal to the alarm 12 to alarm it, the staff first stops the pile driving operation of the pile driver, and then directly triggers the second switch 53 on the integrated module, thereby The traction machine 5 on the corresponding side of the base 3 with the first switch 32 at the upper end in the pop-up state will be started, and the sleeve fixing ring 51 will be pulled by the winding wire rope 52, and the sleeve fixing ring 51 will automatically correct the deviation of the pile. During the correction process, the pile body will push the measuring needle 11 on the opposite side of the inclined side to retract into the movable sleeve 2, and then the limit slide bar 41 will move back, and the connecting rope 42 will be stretched and tightened under the action of the gravity of the pressure contact block 43. At the same time, the pressure contact block 43 will move downward and continue to press back on the first switch 32, so that the traction machine 5 on the corresponding side stops the winding work, and the pile stops rotating in this direction. Through the arrangement of four groups of traction machines 5, no matter in which direction the pile is skewed, it can be reset by the cooperation of two groups of traction machines 5, and when the pile reaches the calibration position before pile sinking, the traction machine 5 will automatically stop working, ensuring the accuracy of the reset.

[0032] In one embodiment, a third switch 54 is also included, which is connected to the integrated module point and is used to open and close the integrated module. Since the detection mechanism needs to be installed before correction, the first switch 32 on the signal transmitter 31 is in a pop-up state before it is completely installed. To ensure that the alarm 12 does not alarm at this time, the third switch 54 is set to cut off the power supply of the integrated module. When the detection mechanism is installed and all the first switches 32 are pressurized, the third switch 54 is controlled to start the integrated module to avoid the alarm 12 continuously affecting the work.

[0033] In one embodiment, a limit frame 6 is provided on the base 3, and a limit groove 61 is provided on the limit frame 6 for the signal transmitter 31 to slide up and down. An L-shaped folding plate 62 is provided on the signal transmitter 31 to slide against the outer surface of the limit frame 6, and a locking screw 63 is threadedly connected to the L-shaped folding plate 62 to abut against the outer surface of the limit frame 6. The pre-installation work of the detection mechanism needs to ensure that the connecting rope 42 is in a fully tightened state while the pressure contact block 43 presses on the first switch 32, and this process requires the position of the base 3 to be adjusted. In order to avoid the inconvenience caused by frequent adjustment of the position of the base 3, a limit frame 6 is provided on the base 3, and the signal transmitter 31 can slide up and down in the limit groove 61 on the limit frame 6, and then after the pressure contact block 43 uses gravity to tighten the connecting rope 42, the height of the signal transmitter 31 is adjusted so that the pressure contact block 43 presses the first switch 32, and the height of the signal transmitter 31 is locked by the locking screw 63, thereby improving the convenience of placement of the detection mechanism.

[0034] In one embodiment, the stabilizing ring frame 1 and the sleeve fixing ring 51 are respectively composed of two sets of first half rings 7 and second half rings 71 that are adapted to match, and the first half rings 7 and the second half rings 71 are locked by a bolt group 72. By setting them in a matching form, the stabilizing ring frame 1 and the sleeve fixing ring 51 can be easily installed on the periphery of the pipe pile, and can be portable and disassembled after the pile driving is completed, thereby improving work efficiency. At the same time, a rubber pad is arranged inside the second half ring 71 to ensure that it can clamp and tighten the pile body after matching, so that it can stably follow the movement of the pile body when the pile body sinks.

[0035] In one embodiment, a stabilizing plate 8 for increasing weight is detachably provided at the bottom of the traction machine 5. In actual work, stabilizing plates 8 of different weights can be installed according to different specifications of pipe piles, thereby ensuring the stability of the traction machine 5 when pulling the pipe piles.

[0036] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

Claims

1. A verticality monitoring device for PHC prefabricated pipe piles, characterized in that: The invention comprises a detection mechanism, wherein the detection mechanism comprises a stabilizing ring frame (1) for sleeved outside a pipe pile, a plurality of groups of measuring needles (11) evenly arranged on the stabilizing ring frame (1) and movable along the radial limit of the stabilizing ring frame (1), and a plurality of groups of feedback components connected to the measuring needles (11); When the device is in a monitoring state, the measuring needle (11) abuts against the outer surface of the pipe pile; The feedback component signal is connected to an integrated module, and an alarm (12) is provided on the integrated module; When the pipe pile tilts, the measuring needle (11) on the corresponding side thereof triggers the feedback component, so that the feedback component transmits a signal to the alarm (12) to sound an alarm.

2. The verticality monitoring device for PHC prefabricated pipe piles according to claim 1 is characterized in that: A plurality of groups of movable sleeves (2) are evenly arranged on the stabilizing ring frame (1), the measuring needle (11) is sleeved in the movable sleeve (2) for limited sliding, and a first spring (21) is arranged between the measuring needle (11) and the inner wall of the movable sleeve (2).

3. The verticality monitoring device for PHC prefabricated pipe piles according to claim 2 is characterized in that: The feedback component comprises a trigger component that sends a signal to the alarm (12) and a transmission component arranged between the measuring needle (11) and the trigger component; When the pipe pile tilts, the measuring needle (11) on the corresponding side controls the trigger component to send a signal through the transmission component.

4. The verticality monitoring device for PHC prefabricated pipe piles according to claim 3 is characterized in that: The trigger component comprises a base (3), a signal transmitter (31) arranged on the base (3), and a first switch (32) installed on the base (3); The transmission assembly comprises a reversing wheel (4) arranged on the base (3), a limiting slide bar (41) arranged at the rear end of the measuring needle (11) and movably connected with the movable sleeve (2), a connecting rope (42) arranged at the end of the limiting slide bar (41) away from the measuring needle (11) and overlapped on the reversing wheel (4), and a pressing contact block (43) arranged at the end of the connecting rope (42) away from the limiting slide bar (41) and located directly above the first switch (32); When the detection mechanism is working, the pressure contact block (43) contacts the signal transmitter (31) so that the first switch (32) is in a pressed state, and when all the first switches (32) are in a pressed state, the alarm (12) does not work, and when any one or more groups of the first switches (32) are in a pop-up state, the signal transmitter (31) sends a signal to the alarm (12) to trigger an alarm.

5. The verticality monitoring device for PHC prefabricated pipe piles according to any one of claims 1 to 4, characterized in that: The invention also comprises a correction mechanism for correcting the inclination of the pipe pile, the correction mechanism comprising a plurality of traction machines (5) corresponding to the number of feedback components, a sleeve fixing ring (51) sleeved and stabilized on the outer surface of the pipe pile, and a steel wire rope (52) arranged between the traction machine (5) and the sleeve fixing ring (51).

6. The verticality monitoring device for PHC prefabricated pipe piles according to claim 5, characterized in that: The integrated module is also provided with a second switch (53). When the second switch (53) is triggered and any one or more groups of first switches (32) are in a pop-up state, the traction machine (5) on the corresponding side of the first switch (32) in the pop-up state starts to reel in the steel wire rope (52).

7. The verticality monitoring device for PHC prefabricated pipe piles according to claim 5 is characterized in that: It also includes a third switch (54) connected to the integrated module point for opening and closing the integrated module.

8. The verticality monitoring device for PHC prefabricated pipe piles according to claim 4 is characterized in that: A limit frame (6) is arranged on the base (3), and a limit groove (61) is provided on the limit frame (6) for the signal transmitter (31) to slide up and down, and an L-shaped folding plate (62) is arranged on the signal transmitter (31) to slide against the outer surface of the limit frame (6), and a locking screw (63) is threadedly connected to the L-shaped folding plate (62) to engage with the outer surface of the limit frame (6).

9. The verticality monitoring device for PHC prefabricated pipe piles according to claim 5, characterized in that: The stabilizing ring frame (1) and the sleeve fixing ring (51) are respectively composed of two groups of first half rings (7) and second half rings (71) that are adapted to match each other, and the first half rings (7) and the second half rings (71) are locked by a bolt group (72), and a rubber pad is arranged inside the second half ring (71).

10. The verticality monitoring device for PHC prefabricated pipe piles according to claim 5, characterized in that: The bottom of the traction machine (5) is detachably provided with a stabilizing plate (8) for increasing weight.

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