CN113280726A - Device for detecting pore quality in soil - Google Patents
Device for detecting pore quality in soil Download PDFInfo
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- CN113280726A CN113280726A CN202110615930.8A CN202110615930A CN113280726A CN 113280726 A CN113280726 A CN 113280726A CN 202110615930 A CN202110615930 A CN 202110615930A CN 113280726 A CN113280726 A CN 113280726A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
- G01B7/13—Internal diameters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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Abstract
According to the in-soil pore forming quality detection device, the lower end of a steel wire rope shielding cable is connected with the upper end of a supporting sleeve; the upper end of the electrode measuring rod is coaxially inserted into the lower end of the supporting sleeve, a limiting ring is fixedly sleeved on the outer side of the upper part of the electrode measuring rod, and a plurality of resistivity electrodes are arranged on the outer side of the lower part of the electrode measuring rod at intervals; the inner diameter measuring rods are distributed on the outer side of the supporting sleeve in a surrounding mode, and the upper ends of the inner diameter measuring rods are hinged with the outer side of the middle of the supporting sleeve; the balancing weight is sleeved outside the lower part of the electrode measuring rod in a sliding manner through a guide hole in the center of the balancing weight; the counterweight block is also connected with a pull ring; the plurality of side supporting rods are distributed on the outer side of the supporting sleeve in a surrounding mode, the lower ends of the side supporting rods are hinged with the outer side of the middle of the balancing weight, and the upper ends of the side supporting rods are hinged with the middle of the corresponding inner diameter measuring rod; the inclination angle sensor is correspondingly and fixedly connected to the middle part of the inner diameter measuring rod; the lower end of the pull rope is connected with the pull ring, and the upper end of the pull rope extends to the upper part of the upper end of the steel wire rope shielding cable. The device portable can carry out reliable detection to the pore-forming quality.
Description
Technical Field
The invention belongs to the technical field of buildings, and particularly relates to a device for detecting the pore-forming quality in soil.
Background
The depth, the size and the like of the holes in the soil are one of important factors for ensuring the construction quality of foundations such as cast-in-place piles, underground continuous walls and the like, so the detection of the quality of the holes in the soil is particularly important for the control of the construction process and the pouring quality of concrete. In order to reduce pore-forming size deviation and ensure that pore-forming quality meets design requirements, pore-forming quality in soil is often detected in the construction process. As the hole in the soil belongs to underground hidden engineering, the hole wall is generally kept stable by adopting a slurry wall protection method, the hole diameter can not be detected by adopting modes such as manual hole descending and the like after the hole is formed, and the hole diameter is often detected by a special detection tool.
The existing pore-forming detection tool is poor in universality, single in function, large in size, inconvenient to carry and detect, low in detection efficiency and limited in popularization and application.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a device for detecting the pore-forming quality in soil, which has the advantages of reasonable structure, convenient operation and portability, and can reliably detect the pore-forming quality including the pore-forming depth, the plane size, the sediment thickness at the bottom of a hole and the like.
In order to achieve the purpose, the invention provides a device for detecting the quality of a hole in soil, which comprises a supporting sleeve, a steel wire rope shielding cable, an electrode measuring rod, an inner diameter measuring rod, a balancing weight, a side supporting rod, an inclination angle sensor and a pull rope, wherein the steel wire rope shielding cable is arranged on the supporting sleeve;
the lower end of the steel wire rope shielding cable is connected with the upper end of the supporting sleeve;
the upper end of the electrode measuring rod is coaxially and fixedly inserted into the lower end of the supporting sleeve, a limiting ring is fixedly sleeved on the outer side of the upper part of the electrode measuring rod, and a plurality of resistivity electrodes are arranged on the outer side of the lower part of the electrode measuring rod at intervals;
the inner diameter measuring rods are distributed on the outer side of the supporting sleeve in a surrounding manner, and the upper ends of the inner diameter measuring rods are hinged with the outer side of the middle part of the supporting sleeve;
a guide hole which is vertically arranged is formed in the center of the balancing weight, and the balancing weight is sleeved on the outer side of the lower part of the electrode measuring rod in a sliding manner through the guide hole; the counterweight block is also connected with a pull ring;
the number of the side supporting rods is the same as that of the inner diameter measuring rods, the side supporting rods are distributed on the outer side of the supporting sleeve in a surrounding mode and are arranged in one-to-one correspondence with the inner diameter measuring rods; the lower end of the side supporting rod is hinged with the outer side of the middle part of the balancing weight, and the upper end of the side supporting rod is hinged with the middle part of the corresponding inner diameter measuring rod; when the balancing weight is in contact with the limiting ring, the inner diameter measuring rod is in a horizontal state under the support of the side branch rod;
the number of the inclination angle sensors is multiple, and the inclination angle sensors are arranged corresponding to the inner diameter measuring rods; the inclination angle sensor is correspondingly and fixedly connected to the middle part of the inner diameter measuring rod;
the lower end of the pull rope is connected with the pull ring, and the upper end of the pull rope extends to the upper part of the upper end of the steel wire rope shielding cable.
Preferably, a guide sleeve is fixedly connected to the outside of the support sleeve, and the guide sleeve is used for the pull rope to pass through.
Furthermore, for convenient installation and dismantlement to be favorable to reducing the volume when carrying, internal thread structure B has all been seted up to support sleeve's lower extreme inside, the upper end of electrode measuring stick is provided with external thread structure B to be connected with support sleeve's lower extreme through external thread structure B and internal thread structure B's cooperation.
Further, in order to improve the measuring range of the pore-forming inner diameter, the inner diameter measuring rod is a telescopic rod body, and is composed of a fixed sleeve and a telescopic rod inserted into the fixed sleeve in a sliding mode, and the inner diameter measuring rod is positioned through a locking bolt connected to the barrel body of the fixed sleeve in a radial threaded mode.
Further, in order to adapt to different measuring depths, the steel wire rope shielding cable is formed by combining a plurality of sections of hollow rod bodies, and the rod bodies are believed to be connected through threads.
In the invention, the upper end of the inner diameter measuring rod is hinged with the supporting sleeve, the upper end of the side supporting rod is hinged with the lower end of the inner diameter measuring rod, and the balancing weight sleeved on the electrode measuring rod in a sliding manner is hinged with the lower end of the side supporting rod, so that the extension and contraction control of the inner diameter measuring rod can be conveniently realized, the inner diameter measuring rod can be conveniently stored and is beneficial to carrying. Through the setting of electrode measuring stick to install a plurality of resistivity electrodes in its lower part, can be convenient when measuring the aperture, utilize the resistivity characteristic synchronization of mud in the hole and sediment, judge the thickness on sediment layer in bottom through the electrode, realized the comprehensive determination of disposable many indexes of pore-forming. The balancing weight is connected with the pull rope, so that the movement of the balancing weight on the electrode measuring rod can be conveniently controlled through the pull rope, and the opening angle of the inner diameter measuring rod can be adjusted by driving the side supporting rod to extend, so that the measurement of the aperture can be conveniently realized; through installing inclination sensor on every internal diameter measuring pole, can conveniently measure the inclination of internal diameter measuring pole, and then be convenient for combine the internal diameter measuring pole length to calculate the internal diameter of pore-forming. Through the setting of spacing ring, can inject the biggest distance that the balancing weight upwards moved to can inject the biggest opening angle of internal diameter measuring stick. The device can be convenient for realize the detection of pore-forming quality and sediment thickness in the soil such as drilling bored concrete pile, underground continuous wall, its portability is strong, the function is abundant, and the combination form is nimble.
The invention also provides a device for detecting the pore-forming quality in soil, which comprises two detection monomers, wherein the two detection monomers are arranged in parallel left and right; the detection single bodies are all composed of a supporting sleeve, a connecting beam, a steel wire rope shielding cable, an electrode measuring rod, a plurality of inner diameter measuring rods, a balancing weight, a plurality of side supporting rods, a plurality of inclination angle sensors and a pull rope; one end of the connecting beam is vertically and fixedly connected to the outer part of one side of the upper part of the supporting sleeve; the lower end of the steel wire rope shielding cable is connected with the upper end of the supporting sleeve; the upper end of the electrode measuring rod is coaxially and fixedly inserted into the lower end of the supporting sleeve, a limiting ring is fixedly sleeved on the outer side of the upper part of the electrode measuring rod, and a plurality of resistivity electrodes are arranged on the outer side of the lower part of the electrode measuring rod at intervals; the inner diameter measuring rods are distributed on the outer part of one side, away from the connecting beam, of the supporting sleeve in a surrounding mode, and the upper ends of the inner diameter measuring rods are hinged to the outer side of the middle of the supporting sleeve; a guide hole which is vertically arranged is formed in the center of the balancing weight, and the balancing weight is sleeved on the outer side of the lower part of the electrode measuring rod in a sliding manner through the guide hole; the counterweight block is also connected with a pull ring; the number of the side supporting rods is the same as that of the inner diameter measuring rods, the side supporting rods are distributed on the outer side of the supporting sleeve in a surrounding mode and are arranged in one-to-one correspondence with the inner diameter measuring rods; the lower end of the side supporting rod is hinged with the outer side of the middle part of the balancing weight, and the upper end of the side supporting rod is hinged with the middle part of the corresponding inner diameter measuring rod; when the balancing weight is in contact with the limiting ring, the inner diameter measuring rod is in a horizontal state under the support of the side branch rod; the plurality of inclination angle sensors are arranged corresponding to the plurality of inner diameter measuring rods; the inclination angle sensor is correspondingly and fixedly connected to the middle part of the inner diameter measuring rod; the lower end of the pull rope is connected with the pull ring, and the upper end of the pull rope extends to the upper part of the upper end of the steel wire rope shielding cable; the free ends of the connecting beams in the two detection units are close to each other, and the free ends of the two connecting beams are fixedly connected through bolts.
The electrode measuring rod is made of an insulating material.
In the invention, the upper end of the inner diameter measuring rod is hinged with the supporting sleeve, the upper end of the side supporting rod is hinged with the lower end of the inner diameter measuring rod, and the balancing weight sleeved on the electrode measuring rod in a sliding manner is hinged with the lower end of the side supporting rod, so that the extension and contraction control of the inner diameter measuring rod can be conveniently realized, the inner diameter measuring rod can be conveniently stored and is beneficial to carrying. Through the setting of electrode measuring stick to install a plurality of resistivity electrodes in its lower part, can be convenient when measuring the aperture, utilize the resistivity characteristic synchronization of mud in the hole and sediment, judge the thickness on sediment layer in bottom through the electrode, realized the comprehensive determination of disposable many indexes of pore-forming. The balancing weight is connected with the pull rope, so that the movement of the balancing weight on the electrode measuring rod can be conveniently controlled through the pull rope, and the opening angle of the inner diameter measuring rod can be adjusted by driving the side supporting rod to extend, so that the measurement of the aperture can be conveniently realized; through installing inclination sensor on every internal diameter measuring pole, can conveniently measure the inclination of internal diameter measuring pole, and then be convenient for combine the internal diameter measuring pole length to calculate the internal diameter of pore-forming. Through the setting of spacing ring, can inject the biggest distance that the balancing weight upwards moved to can inject the biggest opening angle of internal diameter measuring stick. Through setting up two detection monomers to carry out mutual pair through the crossbeam, can conveniently realize the quality testing in dysmorphism pore-forming space in the soil. The device can be convenient for realize the detection of pore-forming quality and sediment thickness in the soil such as drilling bored concrete pile, underground continuous wall, its portability is strong, the function is abundant, and the combination form is nimble.
The invention also provides a device for detecting the pore-forming quality in soil, which comprises three detection monomers, wherein the three detection monomers are arranged in a triangular shape; the detection single bodies are composed of a supporting sleeve, two connecting cross beams, a steel wire rope shielding cable, an electrode measuring rod, a plurality of inner diameter measuring rods, a balancing weight, a plurality of side supporting rods, a plurality of inclination angle sensors and a pull rope; the two connecting beams are arranged outside one side of the upper part of the supporting sleeve, one ends of the two connecting beams are arranged close to each other, the other ends of the two connecting beams are arranged far away from each other, and the ends close to each other are vertically and fixedly connected outside the supporting sleeve; the lower end of the steel wire rope shielding cable is connected with the upper end of the supporting sleeve; the upper end of the electrode measuring rod is coaxially and fixedly inserted into the lower end of the supporting sleeve, a limiting ring is fixedly sleeved on the outer side of the upper part of the electrode measuring rod, and a plurality of resistivity electrodes are arranged on the outer side of the lower part of the electrode measuring rod at intervals; the inner diameter measuring rods are distributed on the outer part of one side, away from the connecting beam, of the supporting sleeve in a surrounding mode, and the upper ends of the inner diameter measuring rods are hinged to the outer side of the middle of the supporting sleeve; a guide hole which is vertically arranged is formed in the center of the balancing weight, and the balancing weight is sleeved on the outer side of the lower part of the electrode measuring rod in a sliding manner through the guide hole; the counterweight block is also connected with a pull ring; the number of the side supporting rods is the same as that of the inner diameter measuring rods, the side supporting rods are distributed on the outer side of the supporting sleeve in a surrounding mode and are arranged in one-to-one correspondence with the inner diameter measuring rods; the lower end of the side supporting rod is hinged with the outer side of the middle part of the balancing weight, and the upper end of the side supporting rod is hinged with the middle part of the corresponding inner diameter measuring rod; when the balancing weight is in contact with the limiting ring, the inner diameter measuring rod is in a horizontal state under the support of the side branch rod; the plurality of inclination angle sensors are arranged corresponding to the plurality of inner diameter measuring rods; the inclination angle sensor is correspondingly and fixedly connected to the middle part of the inner diameter measuring rod; the lower end of the pull rope is connected with the pull ring, and the upper end of the pull rope extends to the upper part of the upper end of the steel wire rope shielding cable; the free ends of the connecting beams in the three detection monomers are arranged close to each other, and the free ends of one connecting beam in every two adjacent detection monomers are fixedly connected through bolts.
Preferably, the electrode measuring rod is made of an insulating material.
In the invention, the upper end of the inner diameter measuring rod is hinged with the supporting sleeve, the upper end of the side supporting rod is hinged with the lower end of the inner diameter measuring rod, and the balancing weight sleeved on the electrode measuring rod in a sliding manner is hinged with the lower end of the side supporting rod, so that the extension and contraction control of the inner diameter measuring rod can be conveniently realized, the inner diameter measuring rod can be conveniently stored and is beneficial to carrying. Through the setting of electrode measuring stick to install a plurality of resistivity electrodes in its lower part, can be convenient when measuring the aperture, utilize the resistivity characteristic synchronization of mud in the hole and sediment, judge the thickness on sediment layer in bottom through the electrode, realized the comprehensive determination of disposable many indexes of pore-forming. The balancing weight is connected with the pull rope, so that the movement of the balancing weight on the electrode measuring rod can be conveniently controlled through the pull rope, and the opening angle of the inner diameter measuring rod can be adjusted by driving the side supporting rod to extend, so that the measurement of the aperture can be conveniently realized; through installing inclination sensor on every internal diameter measuring pole, can conveniently measure the inclination of internal diameter measuring pole, and then be convenient for combine the internal diameter measuring pole length to calculate the internal diameter of pore-forming. Through the setting of spacing ring, can inject the biggest distance that the balancing weight upwards moved to can inject the biggest opening angle of internal diameter measuring stick. Through setting up three detection monomer to carry out two liang of mutual pairs of antithetical couplets through the crossbeam, can conveniently realize the quality testing in dysmorphism pore-forming space in the soil. The device can be convenient for realize the detection of pore-forming quality and sediment thickness in the soil such as drilling bored concrete pile, underground continuous wall, its portability is strong, the function is abundant, and the combination form is nimble.
Drawings
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
FIG. 2 is a schematic structural view of another embodiment of the present invention;
FIG. 3 is a schematic diagram of the operation of one embodiment of the present invention;
FIG. 4 is a schematic diagram of the independent operation of a detection device according to the present invention;
FIG. 5 is a schematic diagram of the independent operation of two detecting devices according to the present invention;
fig. 6 is a schematic diagram of the state in which three detection devices of the present invention operate independently.
In the figure: 1. the device comprises a steel wire rope shielding cable, 2, an electrode measuring rod, 3, an inner diameter measuring rod, 4, a balancing weight, 5, a side branch rod, 6, an inclination angle sensor, 7, a pull rope, 8, a supporting sleeve, 9, a limiting ring, 10, a pull ring, 11, a guide sleeve, 12, a fixing sleeve, 13, a telescopic rod, 14, a locking bolt, 15, a connecting beam, 16, a resistivity electrode, 17, a pulley, 18, a winch, 19 and a data acquisition instrument.
Detailed Description
The invention will be described with reference to the accompanying drawings;
as shown in fig. 1 to 6, the invention provides a device for detecting the quality of a hole in soil, which comprises a support sleeve 8, a steel wire rope shielding cable 1, an electrode measuring rod 2, an inner diameter measuring rod 3, a balancing weight 4, a side support rod 5, an inclination angle sensor 6 and a pull rope 7;
the lower end of the steel wire rope shielding cable 1 is connected with the upper end of the supporting sleeve 8;
the upper end of the electrode measuring rod 2 is coaxially and fixedly inserted into the lower end of the supporting sleeve 8, the outer side of the upper part of the electrode measuring rod is fixedly sleeved with a limiting ring 9, and the outer side of the lower part of the electrode measuring rod is provided with a plurality of resistivity electrodes 16 at intervals;
the inner diameter measuring rods 3 are distributed on the outer side of the supporting sleeve 8 in a surrounding manner, and the upper ends of the inner diameter measuring rods are hinged with the outer side of the middle part of the supporting sleeve 8;
a vertically arranged guide hole is formed in the center of the balancing weight 4, and the balancing weight is sleeved on the outer side of the lower part of the electrode measuring rod 2 in a sliding manner through the guide hole; the counterweight block 4 is also connected with a pull ring 10;
the number of the side supporting rods 5 is the same as that of the inner diameter measuring rods 3, and the side supporting rods are distributed on the outer side of the supporting sleeve 8 in a surrounding manner and are arranged in a one-to-one correspondence with the inner diameter measuring rods 3; the lower end of the side supporting rod 5 is hinged with the outer side of the middle part of the balancing weight 4, and the upper end of the side supporting rod is hinged with the middle part of the corresponding inner diameter measuring rod 3; when the balancing weight 4 is in contact with the limiting ring 9, the inner diameter measuring rod 3 is in a horizontal state under the support of the side supporting rod 5;
the number of the inclination angle sensors 6 is multiple, and the inclination angle sensors are arranged corresponding to the inner diameter measuring rods 3; the inclination angle sensor 6 is correspondingly and fixedly connected to the middle part of the inner diameter measuring rod 3;
the lower end of the pull rope 7 is connected with the pull ring 10, and the upper end of the pull rope 7 extends to the upper part of the upper end of the steel wire rope shielding cable 1.
Preferably, a guide sleeve 11 is fixedly connected to the outside of the support sleeve 8, and the guide sleeve 11 is used for the passage of the pull rope 7.
Preferably, the electrode measuring rod 2 is made of an insulating material.
In order to facilitate installation and disassembly and reduce the carrying volume, the lower end of the supporting sleeve 8 is internally provided with an internal thread structure B, and the upper end of the electrode measuring rod 2 is provided with an external thread structure B and is connected with the lower end of the supporting sleeve 8 through the matching of the external thread structure B and the internal thread structure B.
In order to improve the measurement range of the inner diameter of the formed hole, the inner diameter measuring rod 3 is a telescopic rod body and consists of a fixed sleeve 12 and a telescopic rod 13 which is inserted into the fixed sleeve 12 in a sliding manner, and the inner diameter measuring rod is positioned by a locking bolt 14 which is connected to the barrel body of the fixed sleeve 12 through radial threads.
In order to adapt to different measuring depths, the steel wire rope shielding cable 1 is formed by combining a plurality of sections of hollow rod bodies, and the rod bodies are believed to be connected through threads.
The upper end through making the internal diameter measuring rod is articulated with the supporting sleeve, makes the upper end of side branch articulated with the lower extreme of internal diameter measuring rod to make the sliding sleeve establish the balancing weight on the electrode measuring rod articulated with the lower extreme of side branch, can be convenient for realize the extension and the shrink control of internal diameter measuring rod, thereby can be convenient for accomodate, be favorable to carrying. Through the setting of electrode measuring stick to install a plurality of resistivity electrodes in its lower part, can be convenient when measuring the aperture, utilize the resistivity characteristic synchronization of mud in the hole and sediment, judge the thickness on sediment layer in bottom through the electrode, realized the comprehensive determination of disposable many indexes of pore-forming. The balancing weight is connected with the pull rope, so that the movement of the balancing weight on the electrode measuring rod can be conveniently controlled through the pull rope, and the opening angle of the inner diameter measuring rod can be adjusted by driving the side supporting rod to extend, so that the measurement of the aperture can be conveniently realized; through installing inclination sensor on every internal diameter measuring pole, can conveniently measure the inclination of internal diameter measuring pole, and then be convenient for combine the internal diameter measuring pole length to calculate the internal diameter of pore-forming. Through the setting of spacing ring, can inject the biggest distance that the balancing weight upwards moved to can inject the biggest opening angle of internal diameter measuring stick. The device can be convenient for realize the detection of pore-forming quality and sediment thickness in the soil such as drilling bored concrete pile, underground continuous wall, its portability is strong, the function is abundant, and the combination form is nimble.
The invention also provides a device for detecting the pore-forming quality in soil, which comprises two detection monomers, wherein the two detection monomers are arranged in parallel left and right; the detection units are composed of a support sleeve 8, a connecting beam 15, a steel wire rope shielding cable 1, an electrode measuring rod 2, a plurality of inner diameter measuring rods 3, a balancing weight 4, a plurality of side supporting rods 5, a plurality of inclination angle sensors 6 and a pull rope 7; one end of the connecting beam 15 is vertically and fixedly connected to the outer part of one side of the upper part of the supporting sleeve 8; the lower end of the steel wire rope shielding cable 1 is connected with the upper end of the supporting sleeve 8; the upper end of the electrode measuring rod 2 is coaxially and fixedly inserted into the lower end of the supporting sleeve 8, the outer side of the upper part of the electrode measuring rod is fixedly sleeved with a limiting ring 9, and the outer side of the lower part of the electrode measuring rod is provided with a plurality of resistivity electrodes 16 at intervals; the inner diameter measuring rods 3 are distributed on the outer portion of one side, away from the connecting cross beam 15, of the supporting sleeve 8 in a surrounding mode, and the upper ends of the inner diameter measuring rods are hinged to the outer side of the middle of the supporting sleeve 8; a vertically arranged guide hole is formed in the center of the balancing weight 4, and the balancing weight is sleeved on the outer side of the lower part of the electrode measuring rod 2 in a sliding manner through the guide hole; the counterweight block 4 is also connected with a pull ring 10; the number of the side supporting rods 5 is the same as that of the inner diameter measuring rods 3, and the side supporting rods are distributed on the outer side of the supporting sleeve 8 in a surrounding manner and are arranged in a one-to-one correspondence with the inner diameter measuring rods 3; the lower end of the side supporting rod 5 is hinged with the outer side of the middle part of the balancing weight 4, and the upper end of the side supporting rod is hinged with the middle part of the corresponding inner diameter measuring rod 3; when the balancing weight 4 is in contact with the limiting ring 9, the inner diameter measuring rod 3 is in a horizontal state under the support of the side supporting rod 5; the plurality of inclination angle sensors 6 are arranged corresponding to the plurality of inner diameter measuring rods 3; the inclination angle sensor 6 is correspondingly and fixedly connected to the middle part of the inner diameter measuring rod 3; the lower end of the pull rope 7 is connected with the pull ring 10, and the upper end of the pull rope 7 extends to the upper part of the upper end of the steel wire rope shielding cable 1; the free ends of the connecting beams 15 in the two detection units are arranged close to each other, and the free ends of the two connecting beams 15 are fixedly connected through bolts.
Preferably, the electrode measuring rod 2 is made of an insulating material.
The upper end through making the internal diameter measuring rod is articulated with the supporting sleeve, makes the upper end of side branch articulated with the lower extreme of internal diameter measuring rod to make the sliding sleeve establish the balancing weight on the electrode measuring rod articulated with the lower extreme of side branch, can be convenient for realize the extension and the shrink control of internal diameter measuring rod, thereby can be convenient for accomodate, be favorable to carrying. Through the setting of electrode measuring stick to install a plurality of resistivity electrodes in its lower part, can be convenient when measuring the aperture, utilize the resistivity characteristic synchronization of mud in the hole and sediment, judge the thickness on sediment layer in bottom through the electrode, realized the comprehensive determination of disposable many indexes of pore-forming. The balancing weight is connected with the pull rope, so that the movement of the balancing weight on the electrode measuring rod can be conveniently controlled through the pull rope, and the opening angle of the inner diameter measuring rod can be adjusted by driving the side supporting rod to extend, so that the measurement of the aperture can be conveniently realized; through installing inclination sensor on every internal diameter measuring pole, can conveniently measure the inclination of internal diameter measuring pole, and then be convenient for combine the internal diameter measuring pole length to calculate the internal diameter of pore-forming. Through the setting of spacing ring, can inject the biggest distance that the balancing weight upwards moved to can inject the biggest opening angle of internal diameter measuring stick. Through setting up two detection monomers to carry out mutual pair through the crossbeam, can conveniently realize the quality testing in dysmorphism pore-forming space in the soil. The device can be convenient for realize the detection of pore-forming quality and sediment thickness in the soil such as drilling bored concrete pile, underground continuous wall, its portability is strong, the function is abundant, and the combination form is nimble.
The invention also provides a device for detecting the pore-forming quality in soil, which comprises three detection monomers, wherein the three detection monomers are arranged in a triangular shape; the detection units are composed of a support sleeve 8, two connecting beams 15, a steel wire rope shielding cable 1, an electrode measuring rod 2, a plurality of inner diameter measuring rods 3, a balancing weight 4, a plurality of side supporting rods 5, a plurality of inclination angle sensors 6 and a pull rope 7; the two connecting beams 15 are arranged outside one side of the upper part of the supporting sleeve 8, one ends of the two connecting beams 15 are arranged close to each other, the other ends of the two connecting beams 15 are arranged far away from each other, and the close ends of the two connecting beams are vertically and fixedly connected to the outside of the supporting sleeve 8; the lower end of the steel wire rope shielding cable 1 is connected with the upper end of the supporting sleeve 8; the upper end of the electrode measuring rod 2 is coaxially and fixedly inserted into the lower end of the supporting sleeve 8, the outer side of the upper part of the electrode measuring rod is fixedly sleeved with a limiting ring 9, and the outer side of the lower part of the electrode measuring rod is provided with a plurality of resistivity electrodes 16 at intervals; the inner diameter measuring rods 3 are distributed on the outer portion of one side, away from the connecting cross beam 15, of the supporting sleeve 8 in a surrounding mode, and the upper ends of the inner diameter measuring rods are hinged to the outer side of the middle of the supporting sleeve 8; a vertically arranged guide hole is formed in the center of the balancing weight 4, and the balancing weight is sleeved on the outer side of the lower part of the electrode measuring rod 2 in a sliding manner through the guide hole; the counterweight block 4 is also connected with a pull ring 10; the number of the side supporting rods 5 is the same as that of the inner diameter measuring rods 3, and the side supporting rods are distributed on the outer side of the supporting sleeve 8 in a surrounding manner and are arranged in a one-to-one correspondence with the inner diameter measuring rods 3; the lower end of the side supporting rod 5 is hinged with the outer side of the middle part of the balancing weight 4, and the upper end of the side supporting rod is hinged with the middle part of the corresponding inner diameter measuring rod 3; when the balancing weight 4 is in contact with the limiting ring 9, the inner diameter measuring rod 3 is in a horizontal state under the support of the side supporting rod 5; the plurality of inclination angle sensors 6 are arranged corresponding to the plurality of inner diameter measuring rods 3; the inclination angle sensor 6 is correspondingly and fixedly connected to the middle part of the inner diameter measuring rod 3; the lower end of the pull rope 7 is connected with the pull ring 10, and the upper end of the pull rope 7 extends to the upper part of the upper end of the steel wire rope shielding cable 1; the free ends of the connecting beams 15 in the three detection monomers are arranged close to each other, and the free ends of one connecting beam 15 in every two adjacent detection monomers are fixedly connected through bolts.
Preferably, the electrode measuring rod 2 is made of an insulating material.
The upper end through making the internal diameter measuring rod is articulated with the supporting sleeve, makes the upper end of side branch articulated with the lower extreme of internal diameter measuring rod to make the sliding sleeve establish the balancing weight on the electrode measuring rod articulated with the lower extreme of side branch, can be convenient for realize the extension and the shrink control of internal diameter measuring rod, thereby can be convenient for accomodate, be favorable to carrying. Through the setting of electrode measuring stick to install a plurality of resistivity electrodes in its lower part, can be convenient when measuring the aperture, utilize the resistivity characteristic synchronization of mud in the hole and sediment, judge the thickness on sediment layer in bottom through the electrode, realized the comprehensive determination of disposable many indexes of pore-forming. The balancing weight is connected with the pull rope, so that the movement of the balancing weight on the electrode measuring rod can be conveniently controlled through the pull rope, and the opening angle of the inner diameter measuring rod can be adjusted by driving the side supporting rod to extend, so that the measurement of the aperture can be conveniently realized; through installing inclination sensor on every internal diameter measuring pole, can conveniently measure the inclination of internal diameter measuring pole, and then be convenient for combine the internal diameter measuring pole length to calculate the internal diameter of pore-forming. Through the setting of spacing ring, can inject the biggest distance that the balancing weight upwards moved to can inject the biggest opening angle of internal diameter measuring stick. Through setting up three detection monomer to carry out two liang of mutual pairs of antithetical couplets through the crossbeam, can conveniently realize the quality testing in dysmorphism pore-forming space in the soil. The device can be convenient for realize the detection of pore-forming quality and sediment thickness in the soil such as drilling bored concrete pile, underground continuous wall, its portability is strong, the function is abundant, and the combination form is nimble.
When the device is used, the device is placed in a hole to be measured, the pulley is supported above the formed hole, the winch and the data acquisition instrument are installed on the ground, the upper end of the steel wire rope shielding cable is wound on the winch after being wound around the pulley, the stay cord is controlled through the winch, the detection device is controlled to be placed, and the control of the opening angle of the inner diameter measuring rod is carried out through pulling up or placing down of the stay cord. The signal wire of the inclination angle sensor can be connected with the lower end of the steel wire rope shielding cable, and the data acquisition instrument is connected with the upper end of the steel wire rope shielding cable, so that the related measurement signals of the underground measurement sensor and the electrode can be obtained conveniently. Through the angle that opens and shuts of surveying the internal diameter measuring stick to combine the length of internal diameter measuring stick, can confirm the distance that corresponds pore-forming lateral wall and wire rope shielding cable of position department, the data of all internal diameter measuring sticks of statistics installation, pore-forming profile in the soil of acquisition test object that can be convenient. By arranging at least two groups of resistivity electrodes on the electrode measuring rod, the thickness of the bottom sediment layer can be judged by using the resistivity characteristics of the slurry in the hole and the sediment to be synchronous. The depth of the formed hole can be conveniently obtained through the depth below the pull rope, and the hole pressure meter can be arranged at the lower part of the electrode measuring rod for measurement.
Claims (9)
1. The device for detecting the quality of the holes in the soil comprises a supporting sleeve (8), and is characterized by further comprising a steel wire rope shielding cable (1), an electrode measuring rod (2), an inner diameter measuring rod (3), a balancing weight (4), a side branch rod (5), an inclination angle sensor (6) and a pull rope (7);
the lower end of the steel wire rope shielding cable (1) is connected with the upper end of the supporting sleeve (8);
the upper end of the electrode measuring rod (2) is coaxially and fixedly inserted into the lower end of the supporting sleeve (8), the outer side of the upper part of the electrode measuring rod is fixedly sleeved with a limiting ring (9), and the outer side of the lower part of the electrode measuring rod is provided with a plurality of resistivity electrodes (16) at intervals;
the inner diameter measuring rods (3) are distributed on the outer side of the supporting sleeve (8) in a surrounding manner, and the upper ends of the inner diameter measuring rods are hinged with the outer side of the middle part of the supporting sleeve (8);
a vertically arranged guide hole is formed in the center of the balancing weight (4), and the balancing weight is sleeved on the outer side of the lower part of the electrode measuring rod (2) in a sliding manner through the guide hole; the counterweight block (4) is also connected with a pull ring (10);
the number of the side supporting rods (5) is the same as that of the inner diameter measuring rods (3), the side supporting rods are distributed on the outer side of the supporting sleeve (8) in a surrounding mode and are arranged in one-to-one correspondence with the inner diameter measuring rods (3) up and down; the lower end of the side supporting rod (5) is hinged with the outer side of the middle part of the balancing weight (4), and the upper end of the side supporting rod is hinged with the middle part of the corresponding inner diameter measuring rod (3); when the balancing weight (4) is in contact with the limiting ring (9), the inner diameter measuring rod (3) is in a horizontal state under the support of the side branch rod (5);
the number of the inclination angle sensors (6) is multiple, and the inclination angle sensors are arranged corresponding to the inner diameter measuring rods (3); the inclination angle sensor (6) is correspondingly and fixedly connected to the middle part of the inner diameter measuring rod (3);
the lower end of the pull rope (7) is connected with the pull ring (10), and the upper end of the pull rope (7) extends to the upper part of the upper end of the steel wire rope shielding cable (1).
2. A soil pore-forming quality detecting device according to claim 1, characterized in that a guide sleeve (11) is fixedly connected to the outside of the supporting sleeve (8), and the guide sleeve (11) is used for the penetration of the pulling rope (7).
3. The device for detecting the quality of the holes in the soil as claimed in claim 2, wherein the supporting sleeve (8) is internally provided with an internal thread structure B at the lower end, and the electrode measuring rod (2) is provided with an external thread structure B at the upper end and is connected with the lower end of the supporting sleeve (8) through the matching of the external thread structure B and the internal thread structure B.
4. The device for detecting the pore quality in the soil as claimed in claim 3, wherein the inner diameter measuring rod (3) is a telescopic rod body which is composed of a fixed sleeve (12) and a telescopic rod (13) inserted into the fixed sleeve (12) in a sliding way, and is positioned by a locking bolt (14) which is connected to the barrel body of the fixed sleeve (12) through radial threads.
5. The soil pore-forming quality detection device of claim 4, wherein the steel cable shielding cable (1) is formed by combining a plurality of hollow rods, and the rods are connected by screw threads.
6. A device for detecting the pore quality in soil comprises two detection single bodies which are arranged in parallel left and right; the device is characterized in that the detection units are composed of a support sleeve (8), a connecting beam (15), a steel wire rope shielding cable (1), an electrode measuring rod (2), a plurality of inner diameter measuring rods (3), a balancing weight (4), a plurality of side supporting rods (5), a plurality of inclination angle sensors (6) and a pull rope (7); one end of the connecting cross beam (15) is vertically and fixedly connected to the outer part of one side of the upper part of the supporting sleeve (8); the lower end of the steel wire rope shielding cable (1) is connected with the upper end of the supporting sleeve (8); the upper end of the electrode measuring rod (2) is coaxially and fixedly inserted into the lower end of the supporting sleeve (8), the outer side of the upper part of the electrode measuring rod is fixedly sleeved with a limiting ring (9), and the outer side of the lower part of the electrode measuring rod is provided with a plurality of resistivity electrodes (16) at intervals; the inner diameter measuring rods (3) are distributed on the outer part of one side, away from the connecting cross beam (15), of the supporting sleeve (8) in a surrounding mode, and the upper ends of the inner diameter measuring rods are hinged to the outer side of the middle of the supporting sleeve (8); a vertically arranged guide hole is formed in the center of the balancing weight (4), and the balancing weight is sleeved on the outer side of the lower part of the electrode measuring rod (2) in a sliding manner through the guide hole; the counterweight block (4) is also connected with a pull ring (10); the number of the side supporting rods (5) is the same as that of the inner diameter measuring rods (3), the side supporting rods are distributed on the outer side of the supporting sleeve (8) in a surrounding mode and are arranged in one-to-one correspondence with the inner diameter measuring rods (3) up and down; the lower end of the side supporting rod (5) is hinged with the outer side of the middle part of the balancing weight (4), and the upper end of the side supporting rod is hinged with the middle part of the corresponding inner diameter measuring rod (3); when the balancing weight (4) is in contact with the limiting ring (9), the inner diameter measuring rod (3) is in a horizontal state under the support of the side branch rod (5); the plurality of inclination angle sensors (6) are arranged corresponding to the plurality of inner diameter measuring rods (3); the inclination angle sensor (6) is correspondingly and fixedly connected to the middle part of the inner diameter measuring rod (3); the lower end of the pull rope (7) is connected with the pull ring (10), and the upper end of the pull rope (7) extends to the upper part of the upper end of the steel wire rope shielding cable (1); the free ends of the connecting beams (15) in the two detection units are arranged close to each other, and the free ends of the two connecting beams (15) are fixedly connected through bolts.
7. The device for detecting the pore quality in the soil as claimed in claim 6, wherein the electrode measuring rod (2) is made of an insulating material.
8. A device for detecting the pore quality in soil comprises three detection single bodies which are arranged in a triangular shape; the device is characterized in that the detection units are composed of a support sleeve (8), two connecting beams (15), a steel wire rope shielding cable (1), an electrode measuring rod (2), a plurality of inner diameter measuring rods (3), a balancing weight (4), a plurality of side supporting rods (5), a plurality of inclination angle sensors (6) and a pull rope (7); the two connecting cross beams (15) are arranged outside one side of the upper part of the supporting sleeve (8), one ends of the two connecting cross beams (15) are arranged close to each other, the other ends of the two connecting cross beams are arranged far away from each other, and the close ends of the two connecting cross beams are vertically and fixedly connected outside the supporting sleeve (8); the lower end of the steel wire rope shielding cable (1) is connected with the upper end of the supporting sleeve (8); the upper end of the electrode measuring rod (2) is coaxially and fixedly inserted into the lower end of the supporting sleeve (8), the outer side of the upper part of the electrode measuring rod is fixedly sleeved with a limiting ring (9), and the outer side of the lower part of the electrode measuring rod is provided with a plurality of resistivity electrodes (16) at intervals; the inner diameter measuring rods (3) are distributed on the outer part of one side, away from the connecting cross beam (15), of the supporting sleeve (8) in a surrounding mode, and the upper ends of the inner diameter measuring rods are hinged to the outer side of the middle of the supporting sleeve (8); a vertically arranged guide hole is formed in the center of the balancing weight (4), and the balancing weight is sleeved on the outer side of the lower part of the electrode measuring rod (2) in a sliding manner through the guide hole; the counterweight block (4) is also connected with a pull ring (10); the number of the side supporting rods (5) is the same as that of the inner diameter measuring rods (3), the side supporting rods are distributed on the outer side of the supporting sleeve (8) in a surrounding mode and are arranged in one-to-one correspondence with the inner diameter measuring rods (3) up and down; the lower end of the side supporting rod (5) is hinged with the outer side of the middle part of the balancing weight (4), and the upper end of the side supporting rod is hinged with the middle part of the corresponding inner diameter measuring rod (3); when the balancing weight (4) is in contact with the limiting ring (9), the inner diameter measuring rod (3) is in a horizontal state under the support of the side branch rod (5); the plurality of inclination angle sensors (6) are arranged corresponding to the plurality of inner diameter measuring rods (3); the inclination angle sensor (6) is correspondingly and fixedly connected to the middle part of the inner diameter measuring rod (3); the lower end of the pull rope (7) is connected with the pull ring (10), and the upper end of the pull rope (7) extends to the upper part of the upper end of the steel wire rope shielding cable (1); the free ends of the connecting beams (15) in the three detection monomers are arranged close to each other, and the free ends of one connecting beam (15) in every two adjacent detection monomers are fixedly connected through bolts.
9. The device for detecting the pore quality in the soil as claimed in claim 8, wherein the electrode measuring rod (2) is made of an insulating material.
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| JP2007205741A (en) * | 2006-01-31 | 2007-08-16 | Tobishima Corp | Displacement measuring device using fbg optical fiber sensor |
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