CN108149722B - Device and method for detecting pore-forming quality of support disc pile - Google Patents
Device and method for detecting pore-forming quality of support disc pile Download PDFInfo
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- CN108149722B CN108149722B CN201810080174.1A CN201810080174A CN108149722B CN 108149722 B CN108149722 B CN 108149722B CN 201810080174 A CN201810080174 A CN 201810080174A CN 108149722 B CN108149722 B CN 108149722B
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 31
- 239000000523 sample Substances 0.000 claims abstract description 22
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 239000011148 porous material Substances 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/08—Measuring diameters or related dimensions at the borehole
- E21B47/085—Measuring diameters or related dimensions at the borehole using radiant means, e.g. acoustic, radioactive or electromagnetic
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- Engineering & Computer Science (AREA)
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- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Paleontology (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Civil Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides a device and a method for detecting the pore-forming quality of a support disc pile, comprising a support rod, a measured data processing module and a plurality of measuring rods vertically arranged at the lower part of the support rod; the measuring rods are arranged in the same horizontal plane; the method is characterized in that a measuring data acquisition module for detecting pore-forming quality data of the support disc pile is arranged at the extending end of each measuring rod, so that a pressure transmitter and a pressure probe which are arranged at the extending end of a measuring support rod at the tail end of the measuring rod can detect levelness of the support disc while measuring pore diameter and disc diameter of the support disc pile; the driving motor of the electric slider is arranged at the output end of the measurement data processing module, the output ends of the pressure transmitter and the pressure probe are connected to the input end of the measurement data processing module, the automatic extension and retraction of the measuring rod on the guide rail can be guaranteed, and the measurement data acquisition module is also connected with the motor and the measurement data processing module, so that the measured data are transmitted and recorded timely and effectively, and the pile forming quality of the support disc pile can be evaluated more comprehensively.
Description
Technical Field
The invention relates to the field of pore-forming quality detection, in particular to a device and a method for detecting pore-forming quality of a support disc pile.
Background
The extruding and expanding support plate filling pile is characterized by that after drilling or punching, a branch or bearing plate is set in soil layer, a special extruding and expanding machine is placed in the hole, and in the general circular drilling hole the special equipment is used to form branch and bearing plate by means of hydraulic press, at the same time the support plate is extruded into cavity, the surrounding soil is extruded into dense soil body, and the pile body of concrete and reinforcement cage are poured into the cavity, and the support plate is extruded into support plate pile. The novel pile type fully plays the role of pile soil common bearing force, and improves the side friction resistance and the supporting resistance of the pile, thereby greatly increasing the pile bearing capacity. The pile diameter of the pile is enlarged in part of the pile section by extruding and expanding the pile into a disc in soil layers with different holding forces, so that the quality of the formed disc is a key for determining success and failure of the pile. Therefore, it is necessary to detect the quality of the pile formed by the pinch-open-run cast-in-place pile during the pile forming process.
In the existing JJC-1D type bored concrete pile aperture measuring system, quality detection cannot be carried out on a formed disc of a supporting disc pile, an aperture measuring module can reflect the disc diameter of the formed disc but cannot reflect the perpendicularity of the supporting disc and a pile body, and the system specifically comprises the following steps: (1) When detecting the diameter of the support disc pile, the JJC-1D type bored pile aperture measuring system can only measure one diameter and can not determine whether the diameter is the diameter of the support disc; (2) The quality of the bearing disc directly influences the bearing capacity of the supporting disc pile, and the levelness quality of the finished disc cannot be considered when the diameter of the JJC-1D type bored concrete pile hole diameter measuring system is measured.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the device for detecting the pore-forming quality of the support disc pile, which is simple to operate, high in accuracy and wide in application range, and can detect the levelness of the support disc while measuring the aperture and the disc diameter of the support disc pile.
The invention is realized by the following technical scheme:
the device for detecting the pore-forming quality of the support disc pile comprises a support rod, a measurement data processing module and a plurality of measuring rods vertically arranged at the lower part of the support rod; the measuring rods are arranged in the same horizontal plane;
the measuring rods are of telescopic structures and are formed by sequentially connecting a plurality of sections of measuring support rods through an electric sliding block and a guide rail which are arranged inside, laser range finders for detecting the extension length are respectively arranged on the measuring rods, and measuring data acquisition modules for detecting pore-forming quality data of the support disc piles are arranged at the extension ends of each measuring rod;
the measurement data acquisition module comprises a pressure transmitter and a pressure probe; the pressure transmitter is vertically arranged at the extending end of the measuring support rod at the tail section of the measuring rod; the pressure probe is arranged at the extending end of the measuring support rod at the tail section of the measuring rod along the length direction of the measuring rod;
the input end of the measurement data processing module is respectively connected with the output ends of the pressure transmitter and the pressure probe through cables, and the output end of the measurement data processing module is connected with the driving motor of the electric slider through a motor controller through wires.
Preferably: the measuring rod comprises three sections of measuring support rods which are sequentially connected in a sliding manner, namely a first section of measuring support rod, a second section of measuring support rod and a third section of measuring support rod; a first telescopic section laser range finder is arranged between the guide rails of the first section measuring support rod and the second section measuring support rod; and a second telescopic section laser range finder is arranged between the guide rails of the second section measuring support rod and the third section measuring support rod.
Further: the first telescopic section laser range finder comprises a first section starting point laser range finder, a first section midpoint laser range finder and a first section end point laser range finder which are sequentially arranged at the starting point, the midpoint and the end point of the first section measuring support rod; the second telescopic section laser range finder comprises a first section starting point laser range finder, a first section midpoint laser range finder and a first section end point laser range finder which are sequentially arranged at the starting point, the midpoint and the end point of the second section measuring support rod.
Preferably: the electric sliding block comprises a first electric sliding block used for driving the first section of measuring supporting rod and a second electric sliding block used for driving the second section of measuring supporting rod; the first electric sliding block is arranged between the first section of measuring supporting rod and the second section of measuring supporting rod; the second electric sliding block is arranged between the second section measuring support rod and the third section measuring support rod.
Preferably: the data acquisition module also comprises a spring and a displacement controller; the spring is provided with a strain gauge, one end of the strain gauge is connected with the pressure probe, and the other end of the strain gauge is connected with the displacement controller.
Preferably: the support rod is provided with scales, the outer side of the support rod is obliquely provided with a plurality of fixing rods, and the other ends of the fixing rods are commonly connected with a cylindrical fixing ring; the measuring rods penetrate through the side walls of the fixing rings and are fixedly connected with the fixing rings.
Further: the upper end of the supporting rod is provided with threads, and the part of the lower end extending out of the measuring rod is provided with a counterweight.
Preferably: the four measuring rods are horizontally and orthogonally arranged at the bottom of the supporting rod.
The invention discloses a method for detecting the pore-forming quality of a support disc pile, which comprises the following steps,
step 1, initializing a measurement data acquisition module, a measurement data processing module and a motor controller in a device provided by the invention, wherein all measurement rods are in a contracted state;
step 2, hanging the device into a support pile hole, opening a motor controller after the device reaches an elevation, and measuring the extension of a measuring rod and the distance by a laser range finder corresponding to the extension section;
step 3, after the tail end measuring support rod contacts the hole wall, the pressure probe receives resistance and drives the spring to be compressed, when a strain gauge on the spring reaches a pressure threshold value, a digital signal is transmitted back, the measuring data processing module considers that the measuring rod contacts the hole wall, the motor controller controls the driving motor of the electric sliding block to stop pushing, and the laser range finder transmits back a distance signal; and the aperture or the disk diameter of the support disk pile is obtained after the processing of the measurement data processing module.
Preferably, the measuring device further comprises a pressure transmitter which is in contact with the top surface of the support disc to detect pressure change in the extension process of the measuring rod, and the levelness of the support disc is obtained after the pressure change is processed by the measuring data processing module.
Compared with the prior art, the invention has the following beneficial technical effects:
according to the invention, the lower part of the supporting rod is provided with a plurality of measuring rods with telescopic structures, the inside of each measuring rod is provided with a first telescopic section laser range finder and a second telescopic section laser range finder, and meanwhile, the extending end of each measuring rod is provided with a measuring data acquisition module for detecting pore-forming quality data of the supporting disc pile, so that a pressure transmitter and a pressure probe which are arranged at the extending end of a measuring support rod at the tail section of the measuring rod can detect the levelness of the supporting disc while measuring the pore diameter and the disc diameter of the supporting disc pile; moreover, the measuring rod is formed by connecting a plurality of sections of measuring support rods in sequence through an internal electric sliding block and a guide rail, a driving motor of the electric sliding block is connected to the output end of a measuring data processing module through a motor controller, the output ends of a pressure transmitter and a pressure probe are connected to the input end of the measuring data processing module, the automatic expansion and contraction of the measuring rod on the guide rail can be ensured, and a measuring data acquisition module is also connected with the motor and the measuring data processing module, so that measured data are timely and effectively transmitted and recorded, and the pile forming quality of the support disc pile can be comprehensively evaluated.
Further, a first telescopic section laser range finder is arranged between the guide rails of the first section of measuring support rod and the second section of measuring support rod of the measuring rod, so that a distance signal of the second section of measuring support rod in the telescopic process can be acquired; and a second telescopic section laser range finder is arranged between the guide rails of the second section measuring support rod and the third section measuring support rod, so that a distance signal of the third section measuring support rod in the telescopic process can be acquired.
Furthermore, the starting point laser range finders, the midpoint laser range finders and the end point laser range finders of different telescopic sections are respectively arranged at the starting point, the midpoint and the end point of the first section measuring support rod and the second measuring support rod, so that the overall reliability of measured data can be effectively ensured, and the accuracy of the data is improved.
Further, through set up first electronic slider and second electronic slider respectively between the guide rail of first section measurement branch and second section measurement branch, between second section measurement branch and the third section measurement branch, guarantee that the measuring stick stretches out and draws back freely in the measurement operation to guarantee to gather data convenient and accurate promptly.
Further, the displacement controller is arranged in the third section of measurement support rod and is connected to the pressure probe through the spring, so that accurate data acquisition is effectively realized, acquired data are timely transmitted to the measurement data processing module through the cable, and the device is fast, efficient and simple to operate.
Further, through setting up dead lever and solid fixed ring's mode with it and measuring stick firmly fixed in the bracing piece both sides, guarantee the steady reliability in the whole measurement process, the accessible sets up the screw thread at the bracing piece top simultaneously and carries out the extension pole measurement to the measuring orifice of different co-altitude, improves application range and practicality.
Further, through the mode that adopts four measuring sticks horizontal quadrature to set up in the bracing piece bottom, can gather four orthogonal direction's data simultaneously and transmit to measurement data processing module, can effectively monitor the levelness of a dish, the simple operation is reliable.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention.
Fig. 2 is a top view of the present invention.
FIG. 3 is a schematic cross-sectional view of a measuring rod according to the present invention.
Fig. 4 is a schematic structural diagram of a measurement data collection module according to the present invention.
Fig. 5a is a schematic view of a drop-down installation of the present invention.
Fig. 5b is an expanded view of a second section of the measuring strut of the present invention.
Fig. 5c is an expanded view of a third section of the measuring strut of the present invention.
Fig. 6 is an isometric view of a measuring stick in the present invention.
Fig. 7 is an enlarged view of a portion of the invention at i in fig. 6.
In the figure: the support rod 1, the fixing rod 2, the fixing ring 3, the electric slide block 4, the first electric slide block 41 and the second electric slide block 42, the first section starting point laser range finder 51, the first section midpoint laser range finder 52, the first section ending point laser range finder 53, the second section starting point laser range finder 61, the second section midpoint laser range finder 62, the second section ending point laser range finder 63, the first section measuring support rod 71, the second section measuring support rod 72, the third section measuring support rod 73, the guide rail 8, the pressure transmitter 9, the pressure probe 10, the cable 11, the spring 12, the electric wire 13, the counterweight 14, the displacement controller 15, the motor controller 16, the measured data processing module 17 and the orifice bracket 18
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings, which illustrate but do not limit the invention.
The invention relates to a device for detecting the pore-forming quality of a support disc pile, which is shown in figures 1, 2, 3 and 4, and comprises a support rod 1 provided with scales, a fixed rod 2, a fixed ring 3, an electric sliding block 4, a first telescopic section laser range finder, a second telescopic section laser range finder, a measuring rod, a guide rail 8, a pressure transmitter 9, a pressure probe 10, a cable 11, a spring 12 provided with a strain gauge, an electric wire 13, a counterweight 14, a displacement controller 15, a motor 16 and a measurement data processing module 17; the support rods 1 are connected with four orthogonal measuring rods; as shown in fig. 6, a plurality of fixing rods 2 are obliquely arranged on the outer side of the measuring rod, the other ends of the fixing rods 2 are commonly connected with a cylindrical fixing ring 3, and the measuring rods penetrate through the side wall of the fixing ring 3 and are fixedly connected with the fixing ring 3; threads are arranged at the upper end of the supporting rod 1, as shown in fig. 7; the lower end of the supporting rod 1 extends out of the measuring rod and is provided with a counterweight 14, each measuring rod is formed by connecting a three-section measuring supporting rod with a guide rail 8 by utilizing an electric sliding block 4, wherein the three-section measuring supporting rod comprises a first section measuring supporting rod 71, a second section measuring supporting rod 72 and a third section measuring supporting rod 73; the driving motor of the electric sliding block 4 is connected with a motor controller 16 connected with the output end of a measurement data processing module 17 through an electric wire 13; a first telescopic section laser range finder is arranged between the guide rail 8 and the first section measuring support rod 71 and the second section measuring support rod 72; a second telescopic section laser range finder is arranged between the second section measuring support rod 72 and the third section measuring support rod 73; the third section of measuring support rod 73 is provided with a pressure transmitter 9, and the outer side perpendicular to the section is provided with a pressure probe 10; the tail end of the pressure probe 10 is connected with a spring 12 with a strain gauge, and the other end of the spring 12 is connected with a displacement controller 15; the output ends of the pressure transmitter 9 and the pressure probe 10 are connected with the input end of the measurement data processing module 17 through a cable 11.
The invention discloses a method for detecting the pore-forming quality of a support disc pile, which comprises the following steps,
step 1, all measuring rods in the device are restored to an initial shrinkage state, and a measuring data acquisition module, a measuring data processing module 17 and a motor controller 16 are initialized;
step 2, hanging the device into a support pile hole, opening a motor controller 16 after the device reaches an elevation, and measuring the extension of a rod and the distance by a laser range finder corresponding to the extension section;
step 3, after the tail end measuring support rod contacts the hole wall, the pressure probe 10 receives resistance to drive the spring 12 to be compressed, when the strain gauge on the spring 12 reaches a pressure threshold value, a digital signal is transmitted, the measuring data processing module 17 considers that the measuring rod contacts the hole wall, the motor controller 16 controls the driving motor of the electric slider 42 to stop pushing, and the laser range finder transmits a distance signal; and the aperture or the disc diameter of the support disc pile is obtained after the processing of the measured data processing module 17.
In the extension process of the measuring rod, the pressure change is detected by the pressure transmitter 9 which is contacted with the top surface of the support disc, and the levelness of the support disc is obtained after the pressure change is processed by the measuring data processing module 17.
Specifically, when the device of the present invention is used for detection, as shown in fig. 1 and 2, the method is as follows.
The four measuring rods are respectively and orthogonally arranged at the bottom of the supporting rod 1, the measuring rods and the supporting rod 1 are firmly fixed by adopting the fixing rods 2 and the fixing rings 3, and the bottom of the supporting rod 1 is provided with the counterweight 14; as shown in fig. 5a, the installed measuring device is hung in the hole by the hole bracket 18, and the motor controller 16 is opened after the upper end of the supporting rod 1 is connected with the rod to reach the elevation; as shown in fig. 5b, the second measuring strut 72 slides forward under the pushing of the electric slider 41, sequentially passes through the first section start point laser rangefinder 51, the first section midpoint laser rangefinder 52 and the first section end point laser rangefinder 53, after passing through the first section end point laser rangefinder 53, as shown in fig. 5c, the third measuring strut 73 slides forward under the pushing of the electric slider 42, the third measuring strut 73 sequentially passes through the second section start point laser rangefinder 61, the second section midpoint laser rangefinder 62 and the second section end point laser rangefinder 63, after contacting the hole wall, the pressure probe 10 is subjected to resistance, the spring 12 is driven to be compressed, when the strain gauge on the spring 12 records a certain pressure, the cable 11 transmits back a digital signal, the measured data processing module 17 considers that the measuring strut contacts the hole wall, the motor controller 16 controls the driving motor of the electric slider 42 to stop pushing, and the first telescopic section laser rangefinder and the second telescopic section laser rangefinder transmit back a distance signal. At this time, the pressure transmitter 9 also transmits signals to the measurement data processing module 17 through the cable 11, and the measurement operation of the diameter, diameter and levelness of the support disc pile is completed.
Claims (6)
1. A device for detecting a dish stake pore-forming quality, its characterized in that: the device comprises a supporting rod (1), a measurement data processing module (17) and a plurality of measuring rods vertically arranged at the lower part of the supporting rod (1); the measuring rods are arranged in the same horizontal plane;
the measuring rods are of telescopic structures and are formed by sequentially connecting a plurality of sections of measuring support rods through an electric sliding block (4) and a guide rail (8) which are arranged inside, laser range finders for detecting the extension length are respectively arranged on the measuring rods, and measuring data acquisition modules for detecting pore-forming quality data of the support disc piles are respectively arranged at the extension ends of each measuring rod;
the measuring data acquisition module comprises a pressure transmitter (9) and a pressure probe (10); the pressure transmitter (9) is vertically arranged at the extending end of the measuring support rod at the tail section of the measuring rod; the pressure probe (10) is arranged at the extending end of the measuring support rod at the tail section of the measuring rod along the length direction of the measuring rod; the measuring data acquisition module also comprises a spring (12) and a displacement controller (15); the spring (12) is provided with a strain gauge, one end of the strain gauge is connected with the pressure probe (10), and the other end of the strain gauge is connected with the displacement controller (15);
the input end of the measurement data processing module (17) is respectively connected with the output ends of the pressure transmitter (9) and the pressure probe (10) through a cable (11), and the output end of the measurement data processing module (17) is connected with a driving motor of the electric sliding block (4) through a motor controller (16) through an electric wire (13);
the measuring rod comprises three sections of measuring support rods which are sequentially connected in a sliding manner, namely a first section of measuring support rod (71), a second section of measuring support rod (72) and a third section of measuring support rod (73); a first telescopic section laser range finder is arranged between the first section measuring support rod (71) and the guide rail (8) of the second section measuring support rod (72); a second telescopic section laser range finder is arranged between the guide rail (8) of the second section measuring support rod (72) and the guide rail (8) of the third section measuring support rod (73);
the four measuring rods are horizontally and orthogonally arranged at the bottom of the supporting rod (1).
2. A device for detecting the quality of a pile hole in a support disc according to claim 1, wherein: the first telescopic section laser range finder comprises a first section starting point laser range finder (51), a first section midpoint laser range finder (52) and a first section end point laser range finder (53) which are sequentially arranged at the starting point, the midpoint and the end point of the first section measuring support rod (71); the second telescopic section laser range finder comprises a second section starting point laser range finder (61), a second section midpoint laser range finder (62) and a second section end point laser range finder (63) which are sequentially arranged at the starting point, the midpoint and the end point of the second section measuring support rod (72).
3. A device for detecting the quality of a pile hole in a support disc according to claim 1, wherein: the electric slide block (4) comprises a first electric slide block (41) for driving the second section of measuring support rod (72) and a second electric slide block (42) for driving the third section of measuring support rod (73); the first electric sliding block (41) is arranged between the first section of measuring support rod (71) and the second section of measuring support rod (72); the second electric sliding block (42) is arranged between the second section measuring support rod (72) and the third section measuring support rod (73).
4. A device for detecting the quality of a pile hole in a support disc according to claim 1, wherein: the support rod (1) is provided with scales, the outer side of the support rod is obliquely provided with a plurality of fixing rods (2), and the other ends of the fixing rods (2) are commonly connected with a cylindrical fixing ring (3); the measuring rods penetrate through the side wall of the fixed ring (3) and are fixedly connected with the fixed ring.
5. The apparatus for detecting pile-forming quality according to claim 4, wherein: the upper end of the supporting rod (1) is provided with threads, and the part of the lower end extending out of the measuring rod is provided with a counterweight (14).
6. A method for detecting the pore-forming quality of a support disc pile is characterized by comprising the following steps,
step 1, all measuring rods in the device of claim 3 are restored to an initial shrinkage state, and a measuring data acquisition module, a measuring data processing module (17) and a motor controller (16) are initialized;
step 2, hanging the device into a support pile hole, opening a motor controller (16) after the device reaches an elevation, and measuring the extension of a rod and the distance by a laser range finder corresponding to the extension section;
step 3, after the tail end measuring support rod contacts the hole wall, the pressure probe (10) receives resistance to drive the spring (12) to be compressed, when a strain gauge on the spring (12) reaches a pressure threshold value, a digital signal is transmitted, the measuring data processing module (17) considers that the measuring rod contacts the hole wall, the motor controller (16) controls the driving motor of the second electric sliding block (42) to stop pushing, and the laser range finder transmits a distance signal; the aperture or the disk diameter of the supporting disk pile is obtained after the processing of the measuring data processing module (17);
the measuring device also comprises a pressure transmitter (9) which is in contact with the top surface of the support disc and used for detecting the pressure change in the extension process of the measuring rod, and the levelness of the support disc is obtained after the pressure change is processed by a measuring data processing module (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810080174.1A CN108149722B (en) | 2018-01-27 | 2018-01-27 | Device and method for detecting pore-forming quality of support disc pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810080174.1A CN108149722B (en) | 2018-01-27 | 2018-01-27 | Device and method for detecting pore-forming quality of support disc pile |
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| Publication Number | Publication Date |
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| CN108149722A CN108149722A (en) | 2018-06-12 |
| CN108149722B true CN108149722B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810080174.1A Active CN108149722B (en) | 2018-01-27 | 2018-01-27 | Device and method for detecting pore-forming quality of support disc pile |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114659485B (en) * | 2022-05-19 | 2022-09-20 | 成都飞机工业（集团）有限责任公司 | Compact high-precision hole perpendicularity measuring device and using method |
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|---|---|---|---|---|
| JP2008122118A (en) * | 2006-11-09 | 2008-05-29 | Takenaka Komuten Co Ltd | Enlarged-diameter size measuring instrument of hole for enlarged-diameter cast-in-place pile |
| JP2015184213A (en) * | 2014-03-25 | 2015-10-22 | 株式会社大林組 | Porous wall measurement device and porous wall measurement method |
| CN106678123A (en) * | 2015-11-10 | 2017-05-17 | 江苏金宏泰机电科技有限公司 | High-precision hydraulic telescopic rod |
| CN207863000U (en) * | 2018-01-27 | 2018-09-14 | 长安大学 | A kind of device for detecting support disk pile hole quality |
-
2018
- 2018-01-27 CN CN201810080174.1A patent/CN108149722B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008122118A (en) * | 2006-11-09 | 2008-05-29 | Takenaka Komuten Co Ltd | Enlarged-diameter size measuring instrument of hole for enlarged-diameter cast-in-place pile |
| JP2015184213A (en) * | 2014-03-25 | 2015-10-22 | 株式会社大林組 | Porous wall measurement device and porous wall measurement method |
| CN106678123A (en) * | 2015-11-10 | 2017-05-17 | 江苏金宏泰机电科技有限公司 | High-precision hydraulic telescopic rod |
| CN207863000U (en) * | 2018-01-27 | 2018-09-14 | 长安大学 | A kind of device for detecting support disk pile hole quality |
Non-Patent Citations (1)
| Title |
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| 激光非接触式大尺寸内径自动测量系统;赵士磊;曲兴华;邢书剑;刘柏灵;;红外与激光工程(第08期);第2185-2191页 * |
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| CN108149722A (en) | 2018-06-12 |
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