CN210238603U - Probe rod device for cast-in-place pile - Google Patents
Probe rod device for cast-in-place pile Download PDFInfo
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- CN210238603U CN210238603U CN201921043084.1U CN201921043084U CN210238603U CN 210238603 U CN210238603 U CN 210238603U CN 201921043084 U CN201921043084 U CN 201921043084U CN 210238603 U CN210238603 U CN 210238603U
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Abstract
The utility model discloses a probe rod device for a cast-in-place pile, which comprises a probe rod, wherein the probe rod comprises a plurality of vertical sleeve sections; the torque measuring device is connected to the lowest part of the probe rod, and the box body and the measuring rod are connected to the top of the probe rod; the storage battery, the electric control device and the winding shaft are arranged in the box body, and the display screen and the indicating lamp are arranged on the outer wall of the box body; one end of the winding shaft extends out of the box body and is connected with a crank; the winding shaft is wound with a wire harness; the outer surface of the bottom of the vertical sleeve section at the lowest part of the probe rod is bilaterally and symmetrically connected with two sets of distance measuring devices for measuring the aperture; the utility model discloses can guarantee range sensor measured data's accuracy through the position that the change monitoring probe rod bottom of moment of torsion was located, conveniently acquire real-time pile bolck height and stake footpath high-efficiently to carry out bored concrete pile construction control in fact more effectively.
Description
Technical Field
The utility model relates to a building pile foundation construction technical field.
Background
The cast-in-place pile is a pile made by casting concrete or reinforced concrete in a hole. According to the difference of the hole-forming process, the cast-in-place pile can be divided into a cast-in-place pile for hole forming by dry operation, a cast-in-place pile for hole forming by mud retaining walls, a cast-in-place pile for manual hole digging and the like, and the cast-in-place pile has the advantages of no vibration, no soil squeezing, low noise, suitability for being used in dense areas of urban buildings and the like during construction, and is widely applied to construction.
Due to the abrasion of a drilling tool, clay expanding when meeting water in a stratum, soft soil, probe stones in a hole wall and the like, the hole diameter of a formed hole is reduced; the phenomena of hole forming and hole expanding can be caused by the fact that the viscosity of the slurry is too low, the pH value of the slurry is too high and the like, and the holes are collapsed.
Although the application of the concrete cast-in-place pile is increasing in the building engineering, the real-time control of the pile top pouring height and the pile diameter in the pouring process is an important content which is difficult to control in the cast-in-place pile construction process in the construction process of the pile foundation of the building engineering.
For the pile top pouring height, workers in the current construction manually tamp the pile top down in a drill hole by welding a plurality of steel pipes or steel bars on site, and determine whether the pile top is the part of the pile top according to sound and vibration fed back by the steel bars or the steel pipes by experience and feel. The method can not distinguish the problems of the virtual height of the pile top and the sinking of the pile top caused by the fact that the soil falls into the drill hole after being disturbed in the detection process, so that the control on the height of the pile top formed by the pile is not accurate and standard.
In the prior art, the pile diameter can be measured only by excavating to a visible and touchable position, the limitation is large, the real-time pile diameter cannot be obtained in time, the diameter expansion and shrinkage cannot be found in time, and larger loss is generated in the later period. Because the drilling hole may contain soil, water and other substances, the traditional laser ranging sensor and the ultrasonic ranging sensor cannot ensure the accuracy of the aperture measurement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a probe rod device for bored concrete pile can conveniently accurately measure pile bolck perfusion height at any time.
In order to achieve the purpose, the probe rod device for the cast-in-place pile comprises a probe rod which is vertically arranged, wherein the probe rod adopts a telescopic sleeve structure and comprises a plurality of vertical sleeve sections; the bottom end of the vertical sleeve section at the lowest part of the probe rod is connected with a torque measuring device, the torque measuring device comprises a shell, a micro motor is arranged in the shell, an output shaft of the micro motor extends out of the shell downwards and is connected with a rotating blade, and a torque sensor is arranged on the output shaft of the micro motor;
the top of the uppermost vertical sleeve section of the probe rod is connected with a box body, the side wall of the uppermost vertical sleeve section of the probe rod is connected with a vertically arranged measuring rod through a connecting rod, the measuring rod is provided with scales for measuring length, and a zero scale mark of the measuring rod is positioned at the bottom end of the measuring rod;
the storage battery, the electric control device and the winding shaft are arranged in the box body, and the display screen and the indicating lamp are arranged on the outer wall of the box body; the electric control device is internally provided with a memory;
the winding shaft is rotatably connected to the mounting frame, the mounting frame is fixedly connected with the inner wall of the box body, and one end of the winding shaft extends out of the box body and is connected with the crank; a wire harness is wound on the winding shaft, one end of the wire harness extends upwards out of the box body and is connected with the electric control device, and the part of the wire harness is fixedly connected with the top wall of the box body; the other end of the wire harness extends downwards into the probe rod and is connected with the micro motor and the torque sensor; the electric control device is connected with the storage battery.
The outer surface of the bottom of the vertical sleeve section at the lowest part of the probe rod is bilaterally and symmetrically connected with two sets of distance measuring devices for measuring the aperture;
the distance measuring device adopts a telescopic sleeve structure and comprises a plurality of horizontal sleeve sections; the direction pointing to the central line of the probe rod is taken as the inward direction, the reverse direction is the outward direction, and the distance measuring device is arranged along the inward and outward directions; the inner end of the innermost horizontal sleeve section is provided with a distance measuring sensor and a miniature electric push rod, and is provided with an air hole communicated with the probe rod;
the connecting wire of the miniature electric push rod and the connecting wire of the distance measuring sensor are integrated in the wire harness and connected with the electric control device along the wire harness.
The distance measuring sensor is an ultrasonic distance measuring sensor or a laser distance measuring sensor.
The utility model discloses have following advantage:
the utility model discloses a whether the probe rod bottom reachs the real-time pile bolck position of pouring is judged to the difference of moment of torsion when rotating vane is rotatory in different media (air, soil slick and the concrete that does not solidify), compares and relies on experience to judge the mode accuracy degree in the past and improves greatly.
The utility model discloses utilize the horizontal sleeve section to completely cut off the interference of floating soil or water etc. can guarantee that distance measuring sensor accurately reachs and the distance between the drilling pore wall.
In a word, the utility model discloses can guarantee range sensor measured data's accuracy through the position that the change monitoring probe rod bottom of moment of torsion was located, conveniently acquire real-time pile bolck height and stake footpath high-efficiently to carry out bored concrete pile construction control in fact more effectively.
The utility model adopts a telescopic feeler lever structure as a whole, and is easy to operate; the zero scale mark of the measuring rod is positioned at the bottom end of the measuring rod, so that the vertical sleeve section at the hole opening of the drilled hole can be conveniently measured to be higher than the height of the hole opening.
Various data stored in the electric control device can be conveniently used for judging the medium where the rotating blade is located and conveniently calculating the diameter of the pile top.
Due to the arrangement of the winding shaft and the crank, the wiring harness can be conveniently released or wound on the winding shaft when the vertical sleeve section stretches out and draws back.
The distance measuring device utilizes the advantage of high measuring precision of the distance measuring sensor, eliminates the interference of substances such as floating soil, water and the like in a drill hole through the telescopic sleeve structure, and can accurately measure the diameter of the pile top without excavation by utilizing the principle that the diameter of the drill hole at the pile top is equal to the diameter of the pile top.
The method for measuring the height and the diameter of the pile top in real time has simple steps, can quickly and accurately measure the height and the diameter of the pile top, and provides reliable data for the in-situ control of the cast-in-place pile construction.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the structure of the distance measuring device;
FIG. 3 is a schematic structural view of a torque measuring device;
fig. 4 is an electric control schematic diagram of the present invention.
Detailed Description
As shown in fig. 1 to 4, the probe rod device for the cast-in-place pile of the present invention comprises a probe rod vertically arranged, wherein the probe rod adopts a telescopic sleeve structure and comprises a plurality of vertical sleeve sections 1 sleeved together; the bottom end of the vertical sleeve section 1 at the lowest part of the probe rod is connected with a torque measuring device 2, the torque measuring device 2 comprises a shell 3, a micro motor 4 is arranged in the shell 3, an output shaft 5 of the micro motor 4 extends out of the shell 3 downwards and is connected with a rotating blade 6, and a torque sensor 7 is arranged on the output shaft 5 of the micro motor 4; the telescope tube is conventional technique, and what adopt like the camera tripod also is the telescope tube structure, consequently the utility model discloses no longer detail telescope tube's structure.
The top of the vertical sleeve section 1 at the uppermost part of the probe rod is connected with a box body 8, the side wall of the vertical sleeve section 1 is connected with a vertically arranged measuring rod 10 through a connecting rod 9, the measuring rod 10 is provided with scales for measuring length, and a zero scale mark of the measuring rod 10 is positioned at the bottom end of the measuring rod 10;
a storage battery 11, an electric control device 12 and a winding shaft 13 are arranged in the box body 8, and a display screen 14 and an indicator lamp 15 are arranged on the outer wall of the box body 8; the electric control device 12 is internally provided with a memory and stores torque range data when the rotating blades 6 rotate in the air, torque range data when the rotating blades 6 rotate in a soil body with a preset soil texture, torque range data when the rotating blades 6 rotate in unset concrete with a preset mark number, length data of each vertical sleeve section 1 and length data of a distance measuring sensor from the vertical center line of the probe rod; torque is in units of newton meters and length is in units of meters. The utility model discloses in, torque range data can be replaced by rotational speed range data, and torque sensor 7 is replaced by speed sensor simultaneously.
The winding shaft 13 is rotatably connected to the mounting frame 16 through a bearing, the mounting frame 16 is fixedly connected with the inner wall of the box body 8, and one end of the winding shaft 13 extends out of the box body 8 and is connected with a crank 17; a wire harness 18 is wound on the winding shaft 13, one end of the wire harness 18 extends upwards out of the box body 8 and is connected with the electric control device 12, and the part of the wire harness 18 is fixedly connected with the top wall of the box body 8 in a bonding or clamping manner; the other end of the wire harness 18 extends downwards into the probe rod and is connected with the micro motor 4 and the torque sensor 7; the electronic control device 12 is connected to the battery 11.
The outer surface of the bottom of the vertical sleeve section 1 at the lowest part of the probe rod is bilaterally and symmetrically connected with two sets of distance measuring devices 19 for measuring the aperture;
the distance measuring device 19 adopts a telescopic sleeve structure and comprises a plurality of horizontal sleeve sections 20; the distance measuring device 19 is arranged along the inside and outside directions by taking the direction pointing to the vertical center line of the probe rod as the inside and taking the reverse direction as the outside; the inner end of the innermost horizontal sleeve section 20 is provided with a distance measuring sensor 21 and a miniature electric push rod 22, and is provided with an air hole 23 communicated with the probe rod, the distance measuring sensor 21 is positioned at the center of the inner end of the innermost horizontal sleeve section 20, and an extension rod of the miniature electric push rod 22 is connected with the outer end of the outermost horizontal sleeve section 20; the vertical sleeve section 1 at the topmost end of the probe rod is communicated with the box body 8, and the box body 8 is communicated with the atmosphere, so that negative pressure or positive pressure caused by the expansion or contraction of the horizontal sleeve section 20 can be avoided when the micro electric push rod 22 acts.
The connecting line of the micro electric push rod 22 and the connecting line of the distance measuring sensor 21 are integrated in the wire harness 18 and connected with the electric control device 12 along the wire harness 18.
The distance measuring sensor 21 is an ultrasonic distance measuring sensor or a laser distance measuring sensor.
The utility model also discloses a real-time measuring method of the pile top height and the pile diameter by using the probe rod device for the cast-in-place pile, which comprises a real-time measuring method of the pile top height and a real-time measuring method of the pile diameter which are successively carried out;
firstly, a real-time pile top height measuring method comprises the following steps:
the first is sampling;
the method comprises the following steps that a worker keeps a soil sample in a floating state and the concrete sample in a state before solidification after pouring according to the soil sample of the soil body of a cast-in-place pile construction site and the concrete sample of concrete for cast-in-place pile construction;
second, collect torque range data;
suspending the rotating blade 6 in the air, starting the micro motor 4 through the electric control device 12, observing the fluctuation range of the torque measured by the torque sensor 7 through the display screen 14, recording the fluctuation range of the torque as the torque range data of the rotating blade 6 rotating in the air into the electric control device 12, and then closing the micro motor 4;
inserting the rotating blade 6 into a soil sample, starting the micro motor 4 through the electric control device 12, observing the fluctuation range of the torque measured by the torque sensor 7 through the display screen 14, recording the fluctuation range of the torque as torque range data of the rotating blade 6 rotating in a soil with preset soil texture into the electric control device 12, and then closing the micro motor 4;
inserting the rotating blade 6 into the concrete sample, starting the micro motor 4 through the electric control device 12, observing the fluctuation range of the torque measured by the torque sensor 7 through the display screen 14, recording the fluctuation range of the torque as torque range data of the rotating blade 6 rotating in the unset concrete with a preset mark number into the electric control device 12, and then closing the micro motor 4;
thirdly, lowering the feeler lever to the position of the top of the poured real-time pile;
inserting the probe rod into the drill hole, opening the micro motor 4 through the electric control device 12, and lowering the telescopic sleeve sections, namely pulling the telescopic sleeve sections open from bottom to top and placing the telescopic sleeve sections into the drill hole, so that the rotating blades 6 sink; when the telescopic sleeve section is lowered, the wire harness 18 on the winding shaft 13 pulls the winding shaft 13 to rotate, so that the wire harness 18 extends downwards along with the telescopic sleeve section;
in the sinking process of the rotating blade 6, a worker observes a real-time torque signal detected by the torque sensor 7 through the display screen 14, and when a real-time torque value falls into a torque range, stored in the electric control device 12, of the rotating blade 6 rotating in the air, the fact that the rotating blade 6 is in a suspended state in a drill hole is indicated, and the rotating blade does not enter a poured real-time pile top position;
when the real-time torque value falls into the torque range of the rotating blade 6 stored in the electric control device 12 when rotating in the soil body with the preset soil quality, the fact that the pile top has the floating soil and the rotating blade 6 is in the floating soil and does not enter the poured real-time pile top position is indicated;
when the real-time torque value falls into the torque range stored in the electric control device 12 when the rotating blade 6 rotates in the uncured concrete with the preset mark number, the rotating blade 6 is shown to enter the poured real-time pile top position, and at the moment, the worker stops the operation of lowering the telescopic sleeve section and closes the micro motor 4 through the electric control device 12;
fourthly, acquiring the real-time height of the pile top;
after the rotating blade 6 enters the top position of the poured real-time pile, a worker enables the bottom end of the measuring rod 10 to be flush with the ground at the position of the drilled hole, and the height of the vertical sleeve section 1 at the position of the drilled hole exposed out of the drilled hole is measured, wherein the height is H m, and H is a positive real number.
According to the length data of each vertical sleeve section 1, calculating the total length of the vertical sleeve section 1 at the drilling hole and each vertical sleeve section 1 below the vertical sleeve section 1 to be M meters, wherein M is a positive real number; M-H M is the distance between the position of the poured real-time pile top and the hole opening of the drill hole, namely the real-time height of the pile top;
after the real-time height of the pile top is obtained by using the real-time pile top height measuring method, the diameter of the pile top is measured by using the real-time pile diameter measuring method, and the real-time pile diameter measuring method comprises the following steps:
firstly, the horizontal sleeve sections 20 of all the distance measuring devices 19 are expanded;
keeping the rotating blades 6 at the position of the top of the poured real-time pile, controlling the extension rods of the miniature electric push rods 22 of each set of distance measuring devices 19 to extend through the electric control device 12, and expanding the horizontal sleeve sections 20 of each set of distance measuring devices 19 outwards until the outer ends of the horizontal sleeve sections 20 at the outermost sides are in compression joint with the wall of the hole;
secondly, the electric control device 12 transmits ultrasonic waves or laser 24 towards the outer end of the corresponding horizontal sleeve section 20 through the distance measuring sensors 21 of each set of distance measuring device 19 to obtain an average value L1 m of the length of the distance measuring sensors 21 of each set of distance measuring device 19 from the outermost end of the horizontal sleeve section 20; the outermost end of the horizontal sleeve section 20 is the hole wall of the drilled hole;
the length data of the distance measuring sensors 21 of each distance measuring device 19, which are stored in the electric control device 12, from the vertical central line of the probe rod are all L2 meters, and the electric control device 12 calculates that the diameter of the pile top is 2 x (L1 + L2) meters;
after all the measurement work is finished, the staff controls the extension rod of the miniature electric push rod 22 of each set of distance measuring device 19 to retract, and the horizontal sleeve sections 20 of each set of distance measuring device 19 are retracted inwards; the operator then retracts the telescoping sleeve section upwards while simultaneously rotating the crank 17 to wind the harness 18 around the spool 13.
The indicator lights 15 comprise red indicator lights 15A and green indicator lights 15B, and when a real-time torque signal detected by the torque sensor 7 does not fall into a torque range stored in the electronic control device 12 when the rotating blade 6 rotates in the unset concrete with a preset mark in the third step of the real-time pile top height measuring method, namely the step of lowering the probe rod to the poured real-time pile top position, the electronic control device 12 turns on the red indicator lights 15A and turns off the green indicator lights 15B; when the real-time torque signal detected by the torque sensor 7 falls into the torque range stored in the electronic control device 12 when the rotating blade 6 rotates in the unset concrete with the preset mark, the electronic control device 12 turns off the red indicator light 15A and turns on the green indicator light 15B; after the green indicator light 15B is on, the staff stops to transfer the operation of telescopic sleeve section.
The above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
Claims (3)
1. Probe device for bored concrete pile, its characterized in that: the detection device comprises a vertically arranged detection rod, wherein the detection rod adopts a telescopic sleeve structure and comprises a plurality of vertical sleeve sections; the bottom end of the vertical sleeve section at the lowest part of the probe rod is connected with a torque measuring device, the torque measuring device comprises a shell, a micro motor is arranged in the shell, an output shaft of the micro motor extends out of the shell downwards and is connected with a rotating blade, and a torque sensor is arranged on the output shaft of the micro motor;
the top of the uppermost vertical sleeve section of the probe rod is connected with a box body, the side wall of the uppermost vertical sleeve section of the probe rod is connected with a vertically arranged measuring rod through a connecting rod, the measuring rod is provided with scales for measuring length, and a zero scale mark of the measuring rod is positioned at the bottom end of the measuring rod;
the storage battery, the electric control device and the winding shaft are arranged in the box body, and the display screen and the indicating lamp are arranged on the outer wall of the box body; the electric control device is internally provided with a memory;
the winding shaft is rotatably connected to the mounting frame, the mounting frame is fixedly connected with the inner wall of the box body, and one end of the winding shaft extends out of the box body and is connected with the crank; a wire harness is wound on the winding shaft, one end of the wire harness extends upwards out of the box body and is connected with the electric control device, and the part of the wire harness is fixedly connected with the top wall of the box body; the other end of the wire harness extends downwards into the probe rod and is connected with the micro motor and the torque sensor; the electric control device is connected with the storage battery.
2. The probe apparatus for a bored concrete pile according to claim 1, wherein: the outer surface of the bottom of the vertical sleeve section at the lowest part of the probe rod is bilaterally and symmetrically connected with two sets of distance measuring devices for measuring the aperture;
the distance measuring device adopts a telescopic sleeve structure and comprises a plurality of horizontal sleeve sections; the direction pointing to the central line of the probe rod is taken as the inward direction, the reverse direction is the outward direction, and the distance measuring device is arranged along the inward and outward directions; the inner end of the innermost horizontal sleeve section is provided with a distance measuring sensor and a miniature electric push rod, and is provided with an air hole communicated with the probe rod;
the connecting wire of the miniature electric push rod and the connecting wire of the distance measuring sensor are integrated in the wire harness and connected with the electric control device along the wire harness.
3. The probe apparatus for a bored concrete pile according to claim 2, wherein: the distance measuring sensor is an ultrasonic distance measuring sensor or a laser distance measuring sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921043084.1U CN210238603U (en) | 2019-07-05 | 2019-07-05 | Probe rod device for cast-in-place pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921043084.1U CN210238603U (en) | 2019-07-05 | 2019-07-05 | Probe rod device for cast-in-place pile |
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| Publication Number | Publication Date |
|---|---|
| CN210238603U true CN210238603U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921043084.1U Active CN210238603U (en) | 2019-07-05 | 2019-07-05 | Probe rod device for cast-in-place pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195448A (en) * | 2019-07-05 | 2019-09-03 | 河南云平环保科技有限公司 | Bored concrete pile probe device and stake top height and stake diameter method for real-time measurement |
-
2019
- 2019-07-05 CN CN201921043084.1U patent/CN210238603U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195448A (en) * | 2019-07-05 | 2019-09-03 | 河南云平环保科技有限公司 | Bored concrete pile probe device and stake top height and stake diameter method for real-time measurement |
| CN110195448B (en) * | 2019-07-05 | 2024-01-19 | 河南云平环保科技有限公司 | Probe rod device for cast-in-place pile and pile top height and pile diameter real-time measurement method |
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