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CN-122015992-A - Ultra-deep vibroflotation drill material amount detection device and measurement method

CN122015992ACN 122015992 ACN122015992 ACN 122015992ACN-122015992-A

Abstract

The invention discloses a material amount detection device and a material amount detection method for ultra-deep vibration punching drills, which belong to the technical field of engineering construction and comprise a counterweight, wherein the counterweight is used for being placed on a material surface to move downwards along with the material, a flexible connecting piece is connected to the counterweight, the upper end of the flexible connecting piece is accommodated in an accommodating piece, the accommodating piece can accommodate and roll up the flexible connecting piece so as to control the descending height of the counterweight, a sensor for detecting the extending length of the flexible connecting piece is connected to the accommodating piece, a first detector is connected to the accommodating piece, the first detector is used for detecting a first tension value of the initial material surface position of the counterweight and a second tension value of the material surface position after the material is discharged, and the releasing length of the flexible connecting piece is judged through the positions of the first tension value and the second tension value so as to determine the descending height of the material surface. The invention is used for solving the problem that the conventional vibroflotation drill rod for inner hole blanking is inconvenient to detect and calculate the material quantity.

Inventors

  • XU BIAO
  • Xu Zhixie
  • YU SHUOGUO
  • LIU HU
  • TIAN HAO

Assignees

  • 湖南恒屹重工科技有限公司

Dates

Publication Date
20260512
Application Date
20260202

Claims (10)

  1. 1. The utility model provides a super dark shake and dash material volume detection device of boring, its characterized in that, including counter weight (1) for place on the charge level and descend the activity along with the material, connect flexible connector (2) on counter weight (1), the upper end of flexible connector (2) is accomodate in receiver (3), and receiver (3) can accomodate flexible connector (2) and roll up, in order to control the decline height of counter weight (1), be connected with sensor (32) that detect flexible connector (2) extension length on receiver (3); the storage piece (3) is connected with a first detector (4), the first detector (4) is used for detecting a first tension value of an initial material level position of the counterweight (1) and a second tension value of a material level position after discharging, and the released length of the flexible connecting piece (2) is judged through the positions of the first tension value position and the second tension value so as to determine the descending height of the material level.
  2. 2. The material amount detection device for the ultra-deep vibration drill according to claim 1, wherein the storage piece (3) is rotatably connected to the housing (5), and a driving source for driving the storage piece (3) to reciprocally rotate is connected to the housing (5); the first detector (4) is arranged between the storage piece (3) and the shell (5) and is used for measuring the tension value on the storage piece (3).
  3. 3. The material amount detection device for the ultra-deep vibroflotation drill according to claim 1, wherein the storage piece (3) is a winding roller, flanges (31) protruding outwards are arranged at two ends of the storage piece (3), and transmission teeth are arranged on the flanges (31); The shell (5) is movably provided with a pinch roller (6), the surface of the pinch roller (6) is tightly propped against the flexible connecting piece (2) on the containing piece (3) in a contact way, and a gear meshed with the transmission gear is fixedly arranged on the rotating shaft of the pinch roller (6) and used for stretching and carding when the flexible connecting piece (2) is released.
  4. 4. The material amount detection device for ultra-deep vibration drill according to claim 3, wherein a chute (8) is arranged on the side edge of the shell (5), the chute (8) is inclined towards one side of the extending direction of the flexible connecting piece (2), and a sliding seat (7) which is arranged on the chute (8) in a sliding manner and is mutually rotated with the rotating shaft of the compaction roller (6) is arranged on the chute (8); the outside of shell (5) still rotates and is provided with driving lever (9), and the one end of driving lever (9) and the side of slide (7) contact each other, still are provided with the torsional spring between driving lever (9) and shell (5) for promote slide (7) to the slope one side activity of chute (8), in order to push up pinch roller (6) pressure on flexonics spare (2).
  5. 5. A material amount detecting device for ultra-deep vibroflotation drill according to claim 3, characterized in that the compaction roller (6) comprises an inner ring and an outer ring, the inner ring and the outer ring rotate unidirectionally, and a protective layer is arranged on the outer ring.
  6. 6. The material amount detection device for the ultra-deep vibration drill according to claim 2, wherein the shell (5) is fixedly arranged on a base (10) of a drill rod, which is mutually fixed, and a guide pipe (11) which is convenient for a flexible connecting piece (2) to pass through is arranged on the base (10) and is used for guiding the up-and-down movement of the flexible connecting piece (2); the below of stand pipe (11) is provided with horn pipe (12), is provided with second detector (13) between stand pipe (11) and the horn pipe (12) for detect when counter weight (1) roof pressure to the pulling force when horn pipe (12), with the realization spacing to the top position of counter weight (1).
  7. 7. The method for measuring the material quantity of the ultra-deep vibroflotation drill is characterized by comprising the following steps of: step S1, pore-forming construction, namely starting a vibroflotation device to drive a vibroflotation drill rod to vertically drill down to a preset pile depth; Step S2, preparation of blanking construction and initial parameter calibration, namely placing a self-weighing hopper and a material quantity detection device according to any one of claims 1-6 in place, debugging and calibrating a first detector (4), weighing the weight to be blanked through the self-weighing hopper, recording weighing mass M, lifting the weight M into a feeding hole of a drill rod for blanking, filling stone into a blanking channel of the inner rod of the vibroflotation drill rod, controlling a storage piece (3) to release a flexible connecting piece (2) so as to enable a counterweight (1) to be lowered to a stone material surface, recording the tensile force reading at the moment as F0 when the reading of the first detector (4) is gradually reduced, recording the length of the flexible connecting piece (2) released at the height position of the counterweight (1) at the moment as the initial material surface height H0, and recording the cross section area S of the blanking channel of the inner rod and the stacking density ρ parameter of the stone material; Step S3, detecting the blanking and the material quantity of an inner rod in real time, keeping the vibroflotation device to vibrate continuously, filling stone in a drill rod downwards into a pile hole, and raising the drill rod in sections according to a preset speed to enable the stone to fill the pile hole space formed by lifting the drill rod continuously, wherein in the process, a counterweight (1) descends synchronously along with the material level, a first detector (4) collects a tension value Ft in real time, and simultaneously controls the release of a flexible connecting piece (2) to enable the Ft to be kept smaller than F0 until the Ft is reduced to 0, and recording the release length of the flexible connecting piece (2) detected by a sensor (32), namely the height H1, when the Ft is reduced to 0; calculating the descending height delta H1 of the material surface, wherein delta H1=H20-H1; then according to the formula v=s×Δh and m=ρv, Respectively calculating a blanking volume V1=S×ΔH and a blanking mass m1=ρV1; s4, detecting the compact stone of the pile body, namely controlling the drill rod to press downwards after the stone in the drill rod is filled with pile hole sections corresponding to the lifting height of the current drill rod, and vibrating and compacting the filled stone; in the compacting process, the consumed stone amount is the stone amount when the drill rod rises from the position of downward pressurization to the position when the drill rod starts to discharge in the step S2, and the measurement mode is continuously calculated according to the detection mode in the step S3; Finally, the stone usage amount corresponding to the pile hole on the lifting height of the drill rod is the sum of stone cooking in the blanking process and stone cooking in the compacting process; and S5, feeding and circulating, controlling the receiving piece (3) to roll the flexible connecting piece (2) after finishing feeding and compaction corresponding to the lifting height of the drill rod once, lifting the counterweight (1) to the highest position, filling stone into the drill rod, repeatedly executing the steps S2 to S4, performing the next feeding detection cycle until the whole pile hole is filled, and accumulating the stone amount calculated in each cycle to obtain the total material amount of the whole pile.
  8. 8. Method for blanking detection by means of a material quantity detection device for ultra deep vibroflotation drills according to claim 7, characterized in that in step S2 the commissioning and calibration of the first detector (4) comprises the steps of: Firstly, when the counterweight (1) is completely lifted by the accommodating piece (3) and separated from the material surface, and the flexible connecting piece (2) is in a vertical tensioning state, the reading of the first detector (4) is zeroed; Then, the receiving member (3) is controlled to release the flexible connecting member (2) to enable the counterweight (1) to descend at a constant low speed, the reading change of the first detector (4) is continuously recorded, when the reading first appears an inflection point which changes from continuous increase to decrease, the counterweight (1) is confirmed to be just contacted with the material surface, and the reading corresponding to the inflection point is determined to be F0.
  9. 9. The method for detecting the feeding of the ultra-deep vibroflotation drill material amount detection device according to claim 7, wherein in the step 5, since the vibroflotation device continuously vibrates during the process of lifting the counterweight to the highest position and feeding, the drill rod continuously feeds, the actual feeding height in the lifting section of the drill rod should be Δh5=Δh1+Δh2, and Δh2 is the difference of the feeding level lowering height from the completion of the first feeding to the beginning of the second feeding; the actual blanking volume in the pile hole should be v2=sxΔh5, Actual blanking quality: m2=ρv2.
  10. 10. The method for blanking detection by the ultra-deep vibroflotation drill material amount detection device according to claim 7, wherein in step 5, zero point rechecking of the counterweight (1) is performed by using a guide tube (11) and a horn tube (12) structure: The method comprises the steps of firstly, before each construction cycle starts, when the counterweight (1) is received to the highest position, contacting with a horn tube (12), and comparing the tension value of a second detector (13) with a pre-stored reference value by reading the tension value, and when deviation exists and the tension value is continuously over-limited, judging that foreign matter deposition exists in a guide mechanism or the counterweight (1) is abnormal in shape, and cleaning or checking is needed.

Description

Ultra-deep vibroflotation drill material amount detection device and measurement method Technical Field The invention belongs to the technical field of engineering construction, and particularly relates to a material amount detection device and a measurement method for ultra-deep vibration punching drill. Background In the vibroflotation pile forming construction process, stone needs to be continuously and quantitatively put into the formed holes. At present, the vibroflotation device mainly adopts two blanking modes, namely inner hole blanking by feeding through a channel in a drill rod and direct feeding at an orifice. When the orifice is adopted for direct feeding, stones are poured in the orifice, the input amount of the stones is usually estimated by experience or measured afterwards, real-time and accurate metering in the construction process is difficult to realize, inaccurate control of the filling amount is caused, and piling quality and material cost are affected. When the drill rod inner hole blanking is adopted, stone is conveyed to the hole bottom through the hollow rod in the center of the vibroflotation device, the deep hole feeding is facilitated in the mode, but due to the fact that a conveying path is closed and the environment vibrates severely, a real-time material quantity detection device and method which can be integrated on the structure and adapt to complex working conditions are lacked in the prior art, so that the actual filling progress and material quantity cannot be accurately mastered in the construction process, the construction efficiency is affected, and potential hidden hazards are possibly brought to pile body uniformity. Therefore, a device and a method for accurately carrying out blanking calculation, which can be matched with an inner hole blanking mode, are provided. Disclosure of Invention The invention provides a material amount detection device and a measurement method for ultra-deep vibration punching drill, which are used for solving the problem that the current vibration punching drill rod for inner hole blanking is inconvenient to detect and calculate the material amount. In order to achieve the above purpose, the invention adopts the following technical scheme: The utility model provides a super dark shake and dash material volume detection device of boring, includes the counter weight for place on the charge level and descend the activity along with the material, connect flexible connector on the counter weight, flexible connector's upper end is accomodate in the receiver, and the receiver can accomodate flexible connector and roll up, in order to control the decline height of counter weight, is connected with the sensor that detects flexible connector extension length on the receiver; The storage piece is connected with a first detector, the first detector is used for detecting a first tension value of the initial material level position of the counterweight and a second tension value of the material level position after discharging, and the released length of the flexible connecting piece is judged through the positions of the first tension value and the second tension value so as to determine the descending height of the material level. As a further improvement of the scheme, the accommodating piece is rotationally connected to the shell, and a driving source for driving the accommodating piece to reciprocally rotate is connected to the shell; The first detector is arranged between the storage piece and the shell and is used for measuring the tension value on the storage piece. As a further improvement of the scheme, the storage piece is a winding roller, both ends of the storage piece are provided with flanges protruding outwards, and the flanges are provided with transmission teeth; The shell is movably provided with a pinch roller, the surface of the pinch roller is tightly propped against the flexible connecting piece on the storage piece in a contact way, and a gear meshed with the transmission gear is fixedly arranged on the rotating shaft of the pinch roller and used for stretching and carding when the flexible connecting piece is released. As a further improvement of the scheme, the side edge of the shell is provided with a chute, the chute inclines towards one side of the extending direction of the flexible connecting piece, and a sliding seat which is arranged in a sliding manner and is mutually rotated with the rotating shaft of the compaction roller is arranged on the chute; The outside of the shell is also rotationally provided with a deflector rod, one end of the deflector rod is in contact with the side surface of the sliding seat, and a torsion spring is further arranged between the deflector rod and the shell and used for pushing the sliding seat to move towards the inclined side of the chute so as to push the compaction roller against the flexible connecting piece. As a further improvement of the scheme, the compaction roller comprises an