CN111337284A - On-site detection device and detection method for building main body structure - Google Patents

On-site detection device and detection method for building main body structure Download PDF

Info

Publication number
CN111337284A
CN111337284A CN202010231465.3A CN202010231465A CN111337284A CN 111337284 A CN111337284 A CN 111337284A CN 202010231465 A CN202010231465 A CN 202010231465A CN 111337284 A CN111337284 A CN 111337284A
Authority
CN
China
Prior art keywords
rod
hydraulic cylinder
roof
conical
hydraulic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010231465.3A
Other languages
Chinese (zh)
Inventor
黄五月
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202010231465.3A priority Critical patent/CN111337284A/en
Publication of CN111337284A publication Critical patent/CN111337284A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • G01M99/007—Subject matter not provided for in other groups of this subclass by applying a load, e.g. for resistance or wear testing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
    • G01N3/12—Pressure testing

Abstract

The invention relates to the technical field of building main body structure detection, and discloses a building main body structure on-site detection device and a detection method, wherein the detection device comprises a support mechanism and a detection system arranged in a support rod, a hydraulic cylinder is fixed on the support mechanism, a lifting hydraulic rod is connected onto the hydraulic cylinder, the support rod is fixed at the top of the hydraulic rod, an inner groove is connected below an inner cavity, a rod groove is arranged below the inner groove, and cleaning grooves communicated with the rod groove are arranged on two sides of the rod groove; the side wall of the taper rod is provided with a pointer which is matched with the inner groove, the side wall of the support rod is provided with a transparent scale plate, and scale marks are arranged on the scale plate. Finally by the formula
Figure DDA0002429393050000011
Detecting the pressure generated by the roof inside the building main body, and calculatingIs/are as follows
Figure DDA0002429393050000012
And comparing the detection result with a threshold value, thereby being beneficial to assisting workers to complete detection.

Description

On-site detection device and detection method for building main body structure
Technical Field
The invention relates to the technical field of building main body structure detection, in particular to a building main body structure on-site detection device and a detection method.
Background
The main contents of the quality detection of the main structure in the engineering construction quality include the spot check of the quantity and the position of the reinforcing steel bars of the reinforcing steel bar protection layer in the main structure of the construction engineering, the detection of concrete rebound, mortar, masonry and core drilling in the engineering, the detection of concrete strength and the like. At present, the roof detection technology for the top of the building main body is not sound, the concrete poured structure in the building main body cannot be quickly and effectively detected, and the detection of positions of multiple parts of the poured concrete roof cannot be realized, so that the detection is carried out in the process of low detection efficiency, and the detection effect is influenced.
Disclosure of Invention
The invention aims to provide a building main body structure on-site detection device and a detection method, aiming at solving the problems that the existing technology for detecting the roof at the top of a building main body is not sound, the concrete poured structure in the building main body cannot be quickly and effectively detected, and the multi-position detection cannot be carried out aiming at the poured concrete roof, so that the detection effect is influenced due to low detection efficiency in the detection process. By the formula
Figure BDA0002429393030000011
Detecting the pressure generated by the roof inside the building body, and calculating
Figure BDA0002429393030000012
And comparing the detection result with a threshold value, thereby being beneficial to assisting workers to complete detection.
The purpose of the invention can be realized by the following technical scheme: a building main structure on-site detection device comprises a supporting mechanism and a detection system arranged inside a supporting rod, wherein a hydraulic cylinder is fixed on the supporting mechanism, a lifting hydraulic rod is connected onto the hydraulic cylinder, a supporting rod is fixed at the top of the hydraulic rod, a top plate is fixed at the top of the supporting rod, an inwards-concave material collecting groove is formed in the top plate, an extrusion rod penetrating through the middle part of the material collecting groove and the middle part of the top plate is installed in the supporting rod, the extrusion rod comprises a conical rod movably connected with the supporting rod, an integrally-formed conical head is fixed at the top of the conical rod, a limiting rod is arranged on the side wall of the conical rod, a limiting groove is formed in the inner side wall of the supporting rod, the limiting rod is matched with the limiting groove, and a spring sleeved on the surface of the conical rod is arranged below the limiting rod; the spring is arranged in the inner cavity of the inner cavity, the inner cavity is positioned in the supporting rod, an inner groove is connected below the inner cavity, a rod groove is arranged below the inner groove, and cleaning grooves communicated with the rod groove are arranged on two sides of the rod groove; the side wall of the taper rod is provided with a pointer which is matched with the inner groove, the side wall of the support rod is provided with a transparent scale plate, and scale marks are arranged on the scale plate. The hydraulic cylinder is supported by the supporting mechanism, when the hydraulic cylinder works, the hydraulic cylinder can be stably supported by the supporting mechanism, an auxiliary worker can conveniently detect a main structure of a building through the arranged detection system, the auxiliary worker can conveniently judge whether the hydraulic cylinder is qualified or not in the later period, the top plate and the material collecting tank can be arranged to extrude at the cone head, a small amount of concrete drops off in the process of extruding the cone head and a roof, the dropped concrete can enter the material collecting tank, when a small amount of concrete enters the inner cavity, the concrete finally enters the rod groove from the inner cavity, the small amount of concrete does not influence the use of the detection device in the rod groove, and after the detection is finished, the small amount of concrete is cleaned out through the cleaning tank; the limiting rod is matched with the limiting groove, so that the moving position of the conical rod can be limited in the moving process of the limiting rod, the conical rod cannot rotate in the moving process, and the conical rod cannot rotate after being extruded by a roof because the limiting rod is clamped in the limiting groove; the pointer through setting up moves on the scale plate to be convenient for the staff measures numerical value, be convenient for measure the amount of movement of pointer, the displacement numerical value of the compression volume of spring and pointer is the same, the calculation of the later stage of being convenient for.
Preferably, the supporting mechanism include with the first stabilizer blade that the pneumatic cylinder is connected, the tip of first stabilizer blade is provided with rotatory round pin, rotatory round pin swing joint is rotatory overlaps, rotatory overlap is fixed the lateral wall of pneumatic cylinder, the inside of first stabilizer blade is provided with telescopic second stabilizer blade, movable callus on the sole is installed to the bottom of second stabilizer blade. Can rotate on the swivel sleeve through the rotatory round pin that sets up to realize that rotatory round pin drives first stabilizer blade and rotates, thereby make the angle between first stabilizer blade and the pneumatic cylinder change, play the function of adjusting the height of pneumatic cylinder.
Preferably, the conical head can be made of hardened steel; the conical head can be a circular sphere, and the diameter of the conical head is 10 mm; the cone head can also be made of diamond material; the bit may be made of other materials for hardness measurement.
Preferably, the detection system comprises an acquisition module, and the detection system calculates the elastic force generated after the extrusion rod extrudes the roof by using the acquisition module; using formulas
Figure BDA0002429393030000031
Calculating the pressure, k, generated1、k2Are all constants, thereby obtaining a calculation of the pressure generated on the roof, using equation FAThe spring force generated by the deformation of the spring is obtained
Figure BDA0002429393030000032
Wherein G is the shear modulus of elasticity; deIs the wire diameter of the spring; n is the effective number of turns of the spring; dEIs the center diameter of the spring; Δ X is the difference in the position of the apex of the spring compared to the free state after it has been compressed;
the process of calculating the elastic force generated after the extrusion rod extrudes the roof by utilizing the acquisition module is as follows:
the method comprises the following steps: collecting the material of the spring and determining the G value;
step two: collecting the wire diameter d of the springeAnd recording;
step three: collecting the effective number n of turns of the spring and recording the number n;
step four: the central diameter D of the collecting springEAnd recording;
step five: the delta X value is the distance that the pointer moves on the scale plate, and the delta X value is the difference value between the final position of the pointer and the initial position of the pointer; both the initial position of the pointer and the final position of the pointer can be read from the scale plate.
Preferably, the detection system further comprises a hydraulic module, the detection system measures thrust generated by the hydraulic cylinder by using the hydraulic module, calculates thrust generated by the hydraulic cylinder on the hydraulic rod by using the hydraulic module, and the hydraulic rod drives the acquisition module to operate under the action of the thrust; the calculation process of the thrust generated by the hydraulic cylinder is as follows:
the method comprises the following steps: using the formula FX＝FB-FCCalculating a thrust force, wherein
Figure BDA0002429393030000041
Wherein P is pressure and P is a constant; dFThe inner diameter of the hydraulic cylinder, β is a proportionality coefficient:
Figure BDA0002429393030000042
wherein d isfThe diameter of the hydraulic rod;
step two: observing the label on the hydraulic cylinder to obtain the model of the hydraulic cylinder and obtain DF、dfAnd the numerical value of (2) is recorded.
Preferably, by the formula FX＝FB-FCCalculate FXBy the formula, FAF is calculated by K Δ XAFinally F is addedXAnd FASubstitution formula
Figure BDA0002429393030000043
To obtain a pressure F against the roofMDuring the measurement, the worker takes several measurements at 1-2m from each corner of the roof and at 1-2m on the diagonal line of the roof, and averages the measurements
Figure BDA0002429393030000044
Wherein, P is … …, n; by looking at
Figure BDA0002429393030000045
Comparison with thresholdTo thereby pass
Figure BDA0002429393030000046
To assist in determining the quality of the roof.
Preferably, the detection device is firstly carried into the building main body to be measured, the detection device is stabilized by unfolding the supporting mechanism, the second support leg is lifted from the inside of the first support leg until the second support leg is clamped into the end part of the first support leg, the first support leg and the second support leg are fixed by the bolt, after the first support leg and the second support leg are fixed, the rotating pin fixed on the first support leg is rotated, when the rotating pin rotates around the rotating sleeve, the rotating sleeve is fixed on the side wall of the hydraulic cylinder, so that the angle of the first support leg is adjusted, and after the angle of the hydraulic cylinder and the first support leg is adjusted, the distance between the hydraulic cylinder and the roof is adjusted; the distance between the top of the hydraulic cylinder and the roof is adjusted within the range of 1-1.5m, the foot pad can be contacted with the ground by adjusting the angle between the second support leg and the foot pad, and the support mechanism plays a role in stably supporting the hydraulic cylinder when the hydraulic cylinder works; so that the foot pad is attached to the ground; after the position of the detection device is debugged, the hydraulic cylinder is driven to work, the hydraulic cylinder can drive the hydraulic rod to ascend, the hydraulic rod drives the supporting rod to move upwards, the supporting rod moves upwards until the conical head is contacted with the roof, the hydraulic rod continues to ascend, the supporting rod is driven to continue to ascend in the ascending process of the hydraulic cylinder, as the conical head is arranged in the supporting rod, when the supporting rod continues to ascend, the conical head is contacted with the roof, the conical head part can enter the inside of the roof, the conical head can be collided by the roof at the moment, the conical head drives the conical rod to move downwards relative to the supporting rod, when the conical rod moves, the limiting rod fixed on the side wall of the conical rod can slide in the limiting groove, the limiting rod extrusion spring is compressed in the inner cavity, and the pointer arranged on the side wall of the conical rod can be driven to move downwards in the downward moving process of the conical rod, the movement of the pointer can, the pointer and the conical rod move synchronously, the displacement of the conical rod relative to the supporting rod is equal to the distance delta X, and the delta X is the difference of the vertex position of the compressed spring compared with the vertex position in a free stateAfter the measurement is finished, the detection device is translated to other positions in the building main body for detection, the numerical value is measured for many times and recorded, and finally the numerical value is obtained through a formula
Figure BDA0002429393030000051
Detecting the pressure generated by the roof inside the building body, and calculating
Figure BDA0002429393030000052
And comparing the detection result with a threshold value, thereby being beneficial to assisting workers to complete detection.
Compared with the prior art, the invention has the beneficial effects that:
1. the hydraulic cylinder is supported by the supporting mechanism, when the hydraulic cylinder works, the hydraulic cylinder can be stably supported by the supporting mechanism, an auxiliary worker can conveniently detect a main structure of a building through the arranged detection system, the auxiliary worker can conveniently judge whether the hydraulic cylinder is qualified or not in the later period, the top plate and the material collecting tank can be arranged to extrude at the cone head, a small amount of concrete drops off in the process of extruding the cone head and a roof, the dropped concrete can enter the material collecting tank, when a small amount of concrete enters the inner cavity, the concrete finally enters the rod groove from the inner cavity, the small amount of concrete does not influence the use of the detection device in the rod groove, and after the detection is finished, the small amount of concrete is cleaned out through the cleaning tank; the limiting rod is matched with the limiting groove, so that the moving position of the conical rod can be limited in the moving process of the limiting rod, the conical rod cannot rotate in the moving process, and the conical rod cannot rotate after being extruded by a roof because the limiting rod is clamped in the limiting groove; the pointer through setting up moves on the scale plate to be convenient for the staff measures numerical value, be convenient for measure the amount of movement of pointer, the displacement numerical value of the compression volume of spring and pointer is the same, the calculation of the later stage of being convenient for. Can rotate on the swivel sleeve through the rotatory round pin that sets up to realize that rotatory round pin drives first stabilizer blade and rotates, thereby make the angle between first stabilizer blade and the pneumatic cylinder change, play the function of adjusting the height of pneumatic cylinder. The conical head can be made of hardened steel; and the conical head can be a round sphere; the cone head can also be made of diamond material; the bit may be made of other materials for hardness measurement.
2. The detection system utilizes the acquisition module to calculate the elastic force generated after the extrusion rod extrudes the roof; using formulas
Figure BDA0002429393030000061
Calculating the pressure, k, generated1、k2Are all constants, thereby obtaining a calculation of the pressure generated on the roof, using equation FAThe spring force generated by the deformation of the spring is obtained
Figure BDA0002429393030000062
Wherein G is the shear modulus of elasticity; deIs the wire diameter of the spring; n is the effective number of turns of the spring; dEIs the center diameter of the spring; Δ X is the difference in the position of the apex of the spring compared to the free state after it has been compressed; the detection system measures the thrust generated by the hydraulic cylinder by using the hydraulic module, calculates the thrust generated by the hydraulic cylinder on the hydraulic rod by using the hydraulic module, and drives the acquisition module to operate under the action of the thrust; measuring the pressure generated by the roof, wherein in the measuring process, a worker measures for multiple times at a position 1-2m away from each corner of the roof to obtain multiple groups of data, measures for multiple times on a connecting line of diagonal lines of the roof to obtain an average value of the measured values
Figure BDA0002429393030000063
Wherein, P is 1, … …, n; by looking at
Figure BDA0002429393030000064
Is compared with a threshold value to thereby pass
Figure BDA0002429393030000065
To assist in determining the quality of the roof.
3. The detection device is carried to the interior of a building main body to be measured, the detection device is stabilized through the unfolding support mechanism, the second support leg is pulled up from the interior of the first support leg until the second support leg is clamped into the end part of the first support leg, the first support leg and the second support leg are fixed through a bolt, after the first support leg and the second support leg are fixed, the rotating pin fixed on the first support leg is rotated, when the rotating pin rotates around the rotating sleeve, the rotating sleeve is fixed on the side wall of the hydraulic cylinder, so that the angle of the first support leg is adjusted, and after the angle of the hydraulic cylinder and the first support leg is adjusted, the distance between the hydraulic cylinder and a roof is adjusted; the distance between the top of the hydraulic cylinder and the roof is adjusted within the range of 1-1.5m, the foot pad can be contacted with the ground by adjusting the angle between the second support leg and the foot pad, and the support mechanism plays a role in stably supporting the hydraulic cylinder when the hydraulic cylinder works; so that the foot pad is attached to the ground; after the position of the detection device is debugged, the hydraulic cylinder is driven to work, the hydraulic cylinder can drive the hydraulic rod to ascend, the hydraulic rod drives the supporting rod to move upwards, the supporting rod moves upwards until the conical head is contacted with the roof, the hydraulic rod continues to ascend, the supporting rod is driven to continue to ascend in the ascending process of the hydraulic cylinder, as the conical head is arranged in the supporting rod, when the supporting rod continues to ascend, the conical head is contacted with the roof, the conical head part can enter the inside of the roof, the conical head can be collided by the roof at the moment, the conical head drives the conical rod to move downwards relative to the supporting rod, when the conical rod moves, the limiting rod fixed on the side wall of the conical rod can slide in the limiting groove, the limiting rod extrusion spring is compressed in the inner cavity, and the pointer arranged on the side wall of the conical rod can be driven to move downwards in the downward moving process of the conical rod, the movement of the pointer can, the pointer and the conical rod move synchronously, the displacement of the conical rod relative to the supporting rod is equal to the distance delta X, the delta X is the difference value of the vertex position of the compressed spring compared with the free state, after the measurement is finished, the detection device is translated to other positions in the building main body for detection, the numerical value of a plurality of times is measured and recorded, and finally, the formula is used for
Figure BDA0002429393030000071
Detecting the pressure generated by the roof inside the building body, and calculating
Figure BDA0002429393030000072
And comparing the detection result with a threshold value, thereby being beneficial to assisting workers to complete detection.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the strut of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is an enlarged view of the structure at B in FIG. 2;
in the figure: 1. an extrusion stem; 11. a conical head; 12. a tapered rod; 13. a pointer; 2. a top plate; 21. a material collecting groove; 3. a strut; 31. a spring; 32. an inner tank; 33. a rod groove; 34. a limiting rod; 35. a limiting groove; 36. an inner cavity; 37. a scale plate; 38. cleaning the tank; 4. a hydraulic lever; 5. a hydraulic cylinder; 6. a rotation pin; 7. a rotating sleeve; 8. a first leg; 9. a second leg; 10. a foot pad.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a building main structure on-site detection device includes a support mechanism and a detection system disposed inside a support rod 3, a hydraulic cylinder 5 is fixed on the support mechanism, a lifting hydraulic rod 4 is connected to the hydraulic cylinder 5, a support rod 3 is fixed on the top of the hydraulic rod 4, a top plate 2 is fixed on the top of the support rod 3, an inward-recessed material collecting groove 21 is disposed inside the top plate 2, an extrusion rod 1 penetrating through the middle of the material collecting groove 21 and the middle of the top plate 2 is mounted inside the support rod 3, the extrusion rod 1 includes a conical rod 12 movably connected with the support rod 3, an integrally-formed conical head 11 is fixed on the top of the conical rod 12, a limit rod 34 is disposed on the side wall of the conical rod 12, a limit groove 35 is disposed on the inner side wall of the support rod 3, the limit rod 34 is matched with the limit groove 35, a spring 31 sleeved on the surface of the conical rod 12 is arranged below the limiting rod 34; the spring 31 is arranged in the inner cavity 36, the inner cavity 36 is positioned in the support rod 3, an inner groove 32 is connected below the inner cavity 36, a rod groove 33 is arranged below the inner groove 32, and cleaning grooves 38 communicated with the rod groove 33 are arranged on two sides of the rod groove 33; the side wall of the taper rod 12 is provided with a pointer 13, the pointer 13 is matched with the inner groove 32, the side wall of the support rod 3 is provided with a transparent scale plate 37, and the scale plate 37 is provided with scale marks. The hydraulic cylinder 5 is supported by the arranged supporting mechanism, when the hydraulic cylinder 5 works, the hydraulic cylinder 5 can be stably supported by the supporting mechanism, the detection system can be used for assisting workers to detect the main structure of the building conveniently, and the workers can judge whether the building is qualified or not conveniently in the later period, the extrusion can be carried out on the conical head 11 through the arranged top plate 2 and the collecting tank 21, a small amount of concrete falls off in the process of extruding the conical head 11 and the roof, the falling concrete enters the collecting groove 21, when a small amount of concrete enters the inner cavity 36, the concrete finally enters the rod groove 33 from the inner cavity 36, the use of the detection device cannot be influenced by the small amount of concrete in the rod groove 33, and the small amount of concrete is cleaned out through the cleaning groove 38 after the detection is finished; through the matching of the limiting rod 34 and the limiting groove 35, the moving position of the conical rod 12 can be limited in the moving process of the limiting rod 34, so that the conical rod 12 cannot rotate in the moving process, and the limiting rod 34 is clamped in the limiting groove 35, so that the conical rod 12 cannot rotate after being extruded by a roof; pointer 13 through setting up moves on scale plate 37 to be convenient for the staff to measure numerical value, be convenient for measure the amount of movement of pointer 13, the amount of compression of spring 31 is the same with the displacement numerical value of pointer 13, the later stage of being convenient for calculate.
Specifically, the supporting mechanism include with the first stabilizer blade 8 that pneumatic cylinder 5 is connected, the tip of first stabilizer blade 8 is provided with rotatory round pin 6, rotatory round pin 6 swing joint swivel sleeve 7, swivel sleeve 7 is fixed the lateral wall of pneumatic cylinder 5, the inside of first stabilizer blade 8 is provided with telescopic second stabilizer blade 9, movable callus on the sole 10 is installed to the bottom of second stabilizer blade 9. Can rotate on swivel sleeve 7 through the rotatory round pin 6 that sets up to realize that rotatory round pin 6 drives first stabilizer blade 8 and rotates, thereby make the angle between first stabilizer blade 8 and the pneumatic cylinder 5 change, play the function of adjusting the height of pneumatic cylinder 5.
Specifically, the conical head 11 can be made of hardened steel; the conical head can be a circular sphere, and the diameter of the conical head is 10 mm; the conical head 11 can also be made of diamond material; the bit 11 may be made of other materials for hardness measurement.
Specifically, the detection system comprises an acquisition module, and the detection system calculates the elastic force generated after the extrusion rod extrudes the roof by using the acquisition module; using formulas
Figure BDA0002429393030000101
Calculating the pressure, k, generated1、k2Are all constants, thereby obtaining a calculation of the pressure generated on the roof, using equation FAThe spring force generated by the deformation of the spring is obtained
Figure BDA0002429393030000102
Wherein G is the shear modulus of elasticity; deIs the wire diameter of the spring; n is the effective number of turns of the spring; dEIs the center diameter of the spring; Δ X is the difference in the position of the apex of the spring compared to the free state after it has been compressed;
the process of calculating the elastic force generated after the extrusion rod 1 extrudes the roof by utilizing the acquisition module is as follows:
the method comprises the following steps: collecting the material of the spring 31, and determining the G value;
step two: the wire diameter d of the pickup spring 31eAnd recording;
step three: collecting the effective number n of turns of the spring 31 and recording the number n;
step four: the center diameter D of the pickup spring 31EAnd recording;
step five: the Δ X value is the distance the pointer 13 moves on the scale plate 37, and Δ X is the difference between the final position of the pointer 13 and the initial position of the pointer 13; both the initial position of the pointer 13 and the final position of the pointer 13 can be read from the scale 37.
Specifically, the detection system further comprises a hydraulic module, the detection system measures thrust generated by the hydraulic cylinder 5 by using the hydraulic module, calculates thrust generated by the hydraulic cylinder 5 on the hydraulic rod 4 by using the hydraulic module, and the hydraulic rod 4 drives the acquisition module to operate under the action of the thrust; the calculation process of the thrust generated by the hydraulic cylinder 5 is as follows:
the method comprises the following steps: using the formula FX＝FB-FCCalculating a thrust force, wherein
Figure BDA0002429393030000103
Wherein P is pressure and P is a constant; dFThe inner diameter of the hydraulic cylinder, β is a proportionality coefficient:
Figure BDA0002429393030000104
wherein d isfThe diameter of the hydraulic rod;
step two: observing the label on the hydraulic cylinder 5 to obtain the model of the hydraulic cylinder 5 to obtain DF、dfAnd the numerical value of (2) is recorded.
In particular, by the formula FX＝FB-FCCalculate FXBy the formula, FAF is calculated by K Δ XAFinally F is addedXAnd FASubstitution formula
Figure BDA0002429393030000111
Get a pairPressure F generated by the roofMDuring the measurement, the worker takes several measurements at 1-2m from each corner of the roof and at 1-2m on the diagonal line of the roof, and averages the measurements
Figure BDA0002429393030000112
Wherein, P is 1, … …, n; by looking at
Figure BDA0002429393030000113
Is compared with a threshold value to thereby pass
Figure BDA0002429393030000114
To assist in determining the quality of the roof.
Specifically, the detection device is firstly carried to the interior of a building main body to be measured, the detection device is stabilized by unfolding a supporting mechanism, the second support leg 9 is lifted from the interior of the first support leg 8 until the second support leg 9 is clamped into the end part of the first support leg 8, the first support leg 8 and the second support leg 9 are fixed through a bolt, after the first support leg 8 and the second support leg 9 are fixed, the rotating pin 6 fixed on the first support leg 8 is rotated, when the rotating pin 6 rotates around the rotating sleeve 7, the rotating sleeve 7 is fixed on the side wall of the hydraulic cylinder 5, so that the angle of the first support leg 8 is adjusted, and after the angle between the hydraulic cylinder 5 and the first support leg 8 is adjusted, the distance between the hydraulic cylinder 5 and a roof is adjusted; the distance between the top of the hydraulic cylinder 5 and the roof is adjusted within the range of 1-1.5m, the foot pad 10 can be contacted with the ground by adjusting the angle between the second support leg 9 and the foot pad 10, and the support mechanism plays a role in stably supporting the hydraulic cylinder 5 when the hydraulic cylinder 5 works; thereby enabling the footpad 10 to be attached to the ground; after the position debugging of accomplishing detection device, carry out work through drive pneumatic cylinder 5, pneumatic cylinder 5 can drive the hydraulic stem and go on 4 rises, and hydraulic stem 4 drives branch 3 rebound, and branch 3 rebound until conical head 11 and roof contact, hydraulic stem 4 continues to rise, and the in-process that pneumatic cylinder 5 rose drives branch 3 and continues to rise, because conical head 11 sets up the inside at branch 3, when branch 3 continues to rise, the conical head11 and the roof are contacted, part of the conical head 11 enters the roof, at this time, the conical head 11 is collided by the roof, the conical head 11 drives the conical rod 12 to move downwards relative to the supporting rod 3, when the conical rod 12 moves, the limiting rod 34 fixed on the side wall of the conical rod 12 slides in the limiting groove 35, the limiting rod 34 extrudes the spring 31 to compress in the inner cavity 36, and the conical rod 12 drives the pointer 13 arranged on the side wall to move downwards in the downward movement process, the movement of the pointer 13 can be observed and recorded, the pointer 13 and the conical rod 12 synchronously move, the displacement of the conical rod 12 relative to the supporting rod 3 is equal to the distance of delta X, the delta X is the difference value of the peak position of the compressed spring compared with the free state, after the measurement is completed, the detection device is translated to other positions in the building main body for detection, a plurality of numerical values are measured and recorded, finally by the formula
Figure BDA0002429393030000121
Detecting the pressure generated by the roof inside the building body, and calculating
Figure BDA0002429393030000122
And comparing the detection result with a threshold value, thereby being beneficial to assisting workers to complete detection.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. The on-site detection device for the main structure of the building is characterized by comprising a supporting mechanism and a detection system arranged inside a supporting rod (3), wherein a hydraulic cylinder (5) is fixed on the supporting mechanism, a lifting hydraulic rod (4) is connected onto the hydraulic cylinder (5), the supporting rod (3) is fixed at the top of the hydraulic rod (4), a top plate (2) is fixed at the top of the supporting rod (3), an inwards-concave material collecting groove (21) is formed in the top plate (2), an extrusion rod (1) penetrating through the middle part of the material collecting groove (21) and the middle part of the top plate (2) is installed inside the supporting rod (3), the extrusion rod (1) comprises a conical rod (12) movably connected with the supporting rod (3), an integrally-formed conical head (11) is fixed at the top of the conical rod (12), and a limiting rod (34) is arranged on the side wall of the conical rod (12), a limiting groove (35) is formed in the inner side wall of the support rod (3), the limiting rod (34) is matched with the limiting groove (35), and a spring (31) sleeved on the surface of the conical rod (12) is arranged below the limiting rod (34); the spring (31) is arranged in the inner cavity (36), the inner cavity (36) is positioned in the support rod (3), an inner groove (32) is connected below the inner cavity (36), a rod groove (33) is arranged below the inner groove (32), and cleaning grooves (38) communicated with the rod groove (33) are arranged on two sides of the rod groove (33); the novel conical rod is characterized in that a pointer (13) is arranged on the side wall of the conical rod (12), the pointer (13) is matched with the inner groove (32), a transparent scale plate (37) is arranged on the side wall of the supporting rod (3), and scale marks are arranged on the scale plate (37).
2. The on-site detection device for the building main body structure is characterized in that the supporting mechanism comprises a first supporting leg (8) connected with the hydraulic cylinder (5), a rotating pin (6) is arranged at the end of the first supporting leg (8), the rotating pin (6) is movably connected with a rotating sleeve (7), the rotating sleeve (7) is fixed on the side wall of the hydraulic cylinder (5), a telescopic second supporting leg (9) is arranged inside the first supporting leg (8), and a movable foot pad (10) is mounted at the bottom of the second supporting leg (9).
3. The detection method of the on-site detection device of the building main body structure according to claim 1, wherein the detection system comprises an acquisition module, and the detection system calculates the elastic force generated after the extrusion rod extrudes the roof by using the acquisition module; using formulas
Figure FDA0002429393020000021
Calculating the pressure, k, generated1、k2Are all constants, thereby obtaining a calculation of the pressure generated on the roof, using equation FAThe elastic force generated by the deformation of the spring (31) is obtained by K X delta X, wherein
Figure FDA0002429393020000022
Wherein G is the shear modulus of elasticity; deIs the wire diameter of the spring (31); n is the effective number of turns of the spring (31); dEIs the central diameter of the spring (31); DeltaX is the difference of the top position of the compressed spring (31) compared with the free state;
the process of calculating the elastic force generated after the extrusion rod (1) extrudes the roof by utilizing the acquisition module is as follows:
the method comprises the following steps: collecting the material of the spring (31) and determining the G value;
step two: the wire diameter d of the collecting spring (31)eAnd recording;
step three: collecting the effective number n of turns of the spring (31) and recording the number n;
step four: the central diameter D of the collecting spring (31)EAnd recording;
step five: the delta X value is the distance that the pointer (13) moves on the scale plate (37), and the delta X value is the difference value between the final position of the pointer (13) and the initial position of the pointer (13); the initial position of the pointer (13) and the final position of the pointer (13) can be read from the scale plate (37).
4. The detection method of the on-site detection device of the building main body structure is characterized in that the detection system further comprises a hydraulic module, the detection system measures thrust generated by the hydraulic cylinder (5) by using the hydraulic module, calculates thrust generated by the hydraulic cylinder (5) to the hydraulic rod (4) by using the hydraulic module, and the hydraulic rod (4) drives the acquisition module to operate under the action of the thrust; the calculation process of the thrust generated by the hydraulic cylinder (5) is as follows:
the method comprises the following steps: using the formula FX＝FB-FCCalculating a thrust force, wherein
Figure FDA0002429393020000023
Wherein P is pressure and P is a constant; dFThe inner diameter of the hydraulic cylinder (5) is shown, β is a proportionality coefficient:
Figure FDA0002429393020000024
wherein d isfIs the diameter of the hydraulic rod (4);
step two: observing the label on the hydraulic cylinder (5) to obtain the model of the hydraulic cylinder (5) to obtain DF、dfAnd the numerical value of (2) is recorded.
5. The method for detecting the on-site detection device of the building main body structure according to claim 3, wherein the formula F is usedX＝FB-FCCalculate FXBy the formula, FAF is calculated by K Δ XAFinally F is addedXAnd FASubstitution formula
Figure FDA0002429393020000031
To obtain a pressure F against the roofMDuring the measurement, the worker takes several measurements at 1-2m from each corner of the roof and at 1-2m on the diagonal line of the roof, and averages the measurements
Figure FDA0002429393020000032
Wherein, P is 1, … …, n; by looking at
Figure FDA0002429393020000033
Is compared with a threshold value to thereby pass
Figure FDA0002429393020000034
To assist in determining the quality of the roof.
6. According to the claimsClaim 3 discloses a detection method of a building main body structure on-site detection device, which is characterized in that the detection device is firstly carried to the interior of a building main body to be measured, the detection device is stabilized by unfolding a supporting mechanism, the second support leg (9) is pulled up from the interior of the first support leg (8) until the second support leg (9) is clamped into the end of the first support leg (8), the first support leg (8) and the second support leg (9) are fixed through a bolt, after the first support leg (8) and the second support leg (9) are fixed, the angle of the first support leg (8) is adjusted by rotating the rotating pin (6) fixed on the first support leg (8), when the rotating pin (6) rotates around the rotating sleeve (7), the rotating sleeve (7) is fixed on the side wall of the hydraulic cylinder (5), and when the angle between the hydraulic cylinder (5) and the first support leg (8) is adjusted, so that the distance of the hydraulic cylinder (5) from the roof is adjusted; the distance between the top of the hydraulic cylinder (5) and the roof is adjusted within the range of 1-1.5m, and the foot pad (10) can be contacted with the ground by adjusting the angles of the second support leg (9) and the foot pad (10), so that the foot pad (10) is attached to the ground; after the position debugging of the detection device is completed, the hydraulic cylinder (5) is driven to work, the hydraulic cylinder (5) can drive the hydraulic rod to ascend (4), the hydraulic rod (4) drives the supporting rod (3) to move upwards, the supporting rod (3) moves upwards until the conical head (11) is contacted with a roof, the hydraulic rod (4) continues to ascend, the hydraulic cylinder (5) drives the supporting rod (3) to continue to ascend in the ascending process, the conical head (11) is arranged in the supporting rod (3), when the supporting rod (3) continues to ascend, the conical head (11) is contacted with the roof, part of the conical head (11) can enter the inside of the roof, the conical head (11) can be abutted by the roof, the conical head (11) drives the conical rod (12) to move downwards relative to the supporting rod (3), and when the conical rod (12) moves, the limiting rod (34) fixed on the side wall of the conical rod (12) can slide in the limiting groove (35), the limiting rod (34) extrudes the spring (31) to be compressed in the inner cavity (36), the pointer (13) arranged on the side wall of the conical rod (12) is driven to move downwards in the downward movement process of the conical rod (12), the movement of the pointer (13) can be observed and recorded, the pointer (13) and the conical rod (12) move synchronously, the displacement of the conical rod (12) relative to the supporting rod (3) is equal to the distance delta X, and after the measurement is completed, the detection device is translated to other positions in the building main bodyLine detection, measuring and recording multiple numerical values, and finally passing through a formula
Figure FDA0002429393020000041
Detecting the pressure generated by the roof inside the building body, and calculating
Figure FDA0002429393020000042
And comparing the detection result with a threshold value, thereby being beneficial to assisting workers to complete detection.
CN202010231465.3A 2020-03-27 2020-03-27 On-site detection device and detection method for building main body structure Pending CN111337284A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010231465.3A CN111337284A (en) 2020-03-27 2020-03-27 On-site detection device and detection method for building main body structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010231465.3A CN111337284A (en) 2020-03-27 2020-03-27 On-site detection device and detection method for building main body structure

Publications (1)

Publication Number Publication Date
CN111337284A true CN111337284A (en) 2020-06-26

Family

ID=71180398

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010231465.3A Pending CN111337284A (en) 2020-03-27 2020-03-27 On-site detection device and detection method for building main body structure

Country Status (1)

Country Link
CN (1) CN111337284A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2050605U (en) * 1989-04-29 1990-01-03 武昌区华安工程机械技术服务部 50kn precision bending resistance tester
JP2004109050A (en) * 2002-09-20 2004-04-08 Kumagai Gumi Co Ltd Damage degree estimation method for reinforcement member of structure
CN206114450U (en) * 2016-09-12 2017-04-19 湖北益通建设股份有限公司 Short -term test concrete and sclerometer of goods thereof
CN208568503U (en) * 2018-08-17 2019-03-01 中交第一公路工程局有限公司 A kind of apparatus for testing mechanical of green high performance concrete
CN209624274U (en) * 2019-01-25 2019-11-12 广州继善建筑技术有限公司 A kind of masonry strength local supervising and measuring equipment
CN209723064U (en) * 2019-02-19 2019-12-03 董军 A kind of foundation pile dead-load detection device
CN209741807U (en) * 2019-01-21 2019-12-06 陕西长地建设工程质量检测有限公司 Foundation bearing capacity detection device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2050605U (en) * 1989-04-29 1990-01-03 武昌区华安工程机械技术服务部 50kn precision bending resistance tester
JP2004109050A (en) * 2002-09-20 2004-04-08 Kumagai Gumi Co Ltd Damage degree estimation method for reinforcement member of structure
CN206114450U (en) * 2016-09-12 2017-04-19 湖北益通建设股份有限公司 Short -term test concrete and sclerometer of goods thereof
CN208568503U (en) * 2018-08-17 2019-03-01 中交第一公路工程局有限公司 A kind of apparatus for testing mechanical of green high performance concrete
CN209741807U (en) * 2019-01-21 2019-12-06 陕西长地建设工程质量检测有限公司 Foundation bearing capacity detection device
CN209624274U (en) * 2019-01-25 2019-11-12 广州继善建筑技术有限公司 A kind of masonry strength local supervising and measuring equipment
CN209723064U (en) * 2019-02-19 2019-12-03 董军 A kind of foundation pile dead-load detection device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
李娇娇等: "浅析回弹法检测混凝土强度存在的问题", 《工程技术》 *

Similar Documents

Publication Publication Date Title
CN113155112A (en) House construction engineering reconnaissance measuring device
CN102183386A (en) Soil sample compaction instrument
CN111337284A (en) On-site detection device and detection method for building main body structure
CN212931404U (en) Automatic positioning device of tunnel section detector
CN116518930B (en) Perpendicularity detection equipment for constructional engineering and detection method thereof
CN111721646A (en) Device of crack width after loading of high-efficient survey corrosion reinforced concrete roof beam
CN114941978B (en) Be used for power plant's cement prefabricated construction precision measurement device
CN113251894B (en) Expansion joint detection mechanism for underwater concrete engineering
CN212030438U (en) Concrete prefabricated part flatness detection device
CN210163876U (en) Device for rapidly detecting compaction degree of road filling foundation
CN207336270U (en) Soil injection characteristic measuring device based on instantaneous acceleration detection
CN111595947A (en) Ultrasonic scanner matching device for tomography of ancient building stand column
CN206847597U (en) Build the real-time detection apparatus of deformation
CN219714293U (en) Engineering geological crack measuring device
CN216977705U (en) Building tank crack width detection device
CN219284420U (en) Visual precipitation observation device
CN213874292U (en) Measuring tool for measuring top gradient of parapet wall of building
CN215572665U (en) Vertical expansion rate survey device of mortar
CN214121153U (en) Device for detecting perpendicularity of pile foundation
CN218781808U (en) Be used for improving straightness detection efficiency that hangs down construction engineering quality detection device
CN219996158U (en) Dual-purpose indium steel ruler capable of being hung
CN216112958U (en) On-spot mapping device of building engineering cost
CN213841930U (en) Elevation ruler
CN219454915U (en) Pile hole diameter detection device for concrete filling pile
CN220018530U (en) Building straightness detection device that hangs down

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20200626

RJ01 Rejection of invention patent application after publication