CN114518086A - High-precision crack detection ruler for building engineering quality detection - Google Patents
High-precision crack detection ruler for building engineering quality detection Download PDFInfo
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- CN114518086A CN114518086A CN202210152044.0A CN202210152044A CN114518086A CN 114518086 A CN114518086 A CN 114518086A CN 202210152044 A CN202210152044 A CN 202210152044A CN 114518086 A CN114518086 A CN 114518086A
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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
- G01B21/02—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 length, width, or thickness
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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
- G01B21/18—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 depth
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- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a high-precision crack detection ruler for detecting the quality of constructional engineering, and relates to the technical field of engineering detection. The invention comprises a holding rod, a bottom plate arranged below the holding rod and a seam width detection mechanism arranged on one side of one end of the holding rod; the seam width detection mechanism comprises a positioning rod, an adjusting sleeve and a positioning plate, and one end of the positioning rod is fixedly arranged on the outer wall of the adjusting sleeve; a sliding groove with two closed ends is arranged in the positioning rod along the direction of the long side edge, the two positioning plates are both arranged below the positioning rod, and a fixing lug fixedly arranged on the top surfaces of the positioning plates movably penetrates through the sliding groove to extend to the upper part of the positioning rod; a first electric push rod is fixedly connected to one side surface of the fixing lug close to the adjusting sleeve. The crack width measuring device is convenient and fast in whole structure, simple to operate and low in labor intensity, accurate measurement of crack width can be achieved in practical use, accuracy of data acquisition is improved, meanwhile, crack length can be detected, richness of data acquisition items is improved, and practicability is high.
Description
Technical Field
The invention belongs to the technical field of engineering detection, and particularly relates to a high-precision crack detection ruler for detecting the quality of constructional engineering.
Background
In the process of building engineering, workers need to carry out a plurality of tests on the quality of engineering, for example, the length and width detection of a crack is an essential item in the engineering quality detection, and when the crack of the engineering is detected, the workers can carry the crack and carry out the detection through a crack detection ruler;
as the prior publication, CN 111504239B-a high-precision crack detection ruler for quality detection of building engineering, which comprises a mounting seat, a leveling mechanism, a locking mechanism, a width measuring mechanism, a depth measuring mechanism, a power supply, a remote communication module and a controller; leveling mechanism and mount pad four corners are rotated and are connected, and locking mechanism installs the one side at leveling mechanism place on the mount pad, and width measurement mechanism and degree of depth measurement mechanism detachably are connected with the mount pad, and power and remote communication module are all installed inside the mount pad, and width measurement mechanism, degree of depth measurement mechanism all are connected with the mount pad controller electricity, and remote communication module is connected with the controller electricity, and remote communication module is connected with control center remote communication. According to the scheme, the width measurement data is more accurate and reliable by arranging the leveling mechanism, the carrying is more convenient by the folding and accommodating design, and the measurement difficulty of workers is reduced;
Although the crack detection in the building engineering can be realized in the actual use process of the existing crack detection ruler, the following defects still exist in the actual use process of the existing crack detection ruler:
1. when the existing crack detection ruler is used in practice, the crack width is detected through the width measurement mechanism, but in practical use, the width measurement mechanism cannot be attached to a gap due to the fact that the two plates are arranged on the same vertical surface, and therefore the accuracy of width detection data is low;
2. when the existing crack detection ruler is actually used, only the width and the depth of a crack can be detected, but the length of the crack cannot be detected, so that the data parameters for crack detection are less, and the engineering quality cannot be fully disclosed;
3. when the existing crack detection ruler is actually used, the overall structure is large, and when the crack detection ruler is used, the movement and the operation are inconvenient, so that the operation of workers in the actual use is inconvenient;
therefore, there is a need for improvement of the prior art to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a high-precision crack detection ruler for detecting the quality of building engineering, which has the advantages of high crack width detection accuracy, small overall structure and convenience in operation, can detect the length of a crack, and solves the problems that the existing crack detection ruler has low width detection accuracy, cannot detect the length of the crack, has a large overall structure and is complex to operate in the actual use process.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a high-precision crack detection ruler for detecting the quality of constructional engineering, which comprises a holding rod, a bottom plate arranged below the holding rod and a crack width detection mechanism arranged on one side of one end of the holding rod;
the seam width detection mechanism comprises a positioning rod, an adjusting sleeve and a positioning plate, and one end of the positioning rod is fixedly arranged on the outer wall of the adjusting sleeve; the positioning rod is provided with a sliding groove with two closed ends along the direction of the long side edge, the two positioning plates are arranged below the positioning rod, and a fixing lug fixedly arranged on the top surface of each positioning plate movably penetrates through the sliding groove to extend to the upper part of the positioning rod; a first electric push rod is fixedly connected to one side face of the fixing lug close to the adjusting sleeve, a fixing section of the first electric push rod is fixedly sleeved on the other fixing lug, a second electric push rod is fixedly connected to one side face of the fixing lug far away from the adjusting sleeve, and a fixing section of the second electric push rod is fixedly sleeved on one end face of the positioning rod;
a first distance measuring sensor is fixedly arranged on the bottom surfaces of the positioning plates, distance measuring sensing groups are arranged at positions close to the bottom surfaces of the two positioning plates in an aligned mode, and a plurality of second distance measuring sensors are arranged on the bottom surfaces of the positioning rods on the two sides of the sliding groove in an array mode;
The adjusting sleeve rotates through antifriction bearing and cup joints on holding up the pole, and is provided with first rack on the upper end outer wall of adjusting sleeve, first rack meshes with the toothed disc of one side, the toothed disc is coaxial to be set firmly on the first output shaft one end of first motor, and first motor passes through link fixed connection and holds up on the pole.
Through the improvement, the first motor can rotate to drive the first gear strip to rotate by the gear disc, so that the slit width detection mechanism can rotate by taking the holding rod as an axis, in the rotating process of the slit width detection mechanism, the second distance measurement sensor on the bottom surface of the positioning rod can find out the position with the minimum slit width through the detected distance change, so that the positioning rod and the slit width are determined to be in a parallel state, when the positioning rod and the slit width are determined to be in parallel, the first electric push rod and the second electric push rod move in a matched mode, the two positioning plates can move relatively, the slit width can be further determined, after the positioning rod and the slit width are determined, the distance detected between the distance measurement sensing groups is the slit width of the slit, and in the using process of the first distance measurement sensor, the depth of the slit can be determined through the selected longest distance;
The support rod and the bottom plate are matched to realize the integral movement of the device, so that the device has the advantages of small integral structure, more convenience and rapidness in use and low operation labor intensity.
Furthermore, a plurality of second distance measuring sensors on two sides of the sliding groove are arranged in a staggered mode one by one.
Furthermore, L-shaped guide plates are symmetrically arranged at two ends of the positioning plate, and the upper ends of the L-shaped guide plates are in clearance fit with the first guide grooves in the side faces of the positioning rods.
Further, the upper end position fixedly connected with battery case of holding up the pole, be provided with the electric connector on one side of battery case, and the electric connector passes through the group battery electric connection in conducting wire and the battery case.
Furthermore, a control box is arranged on the top surface of the holding rod, a display screen and control keys are sequentially arranged on the top surface of the control box, and handles are symmetrically arranged on two side surfaces of the control box;
the singlechip in the control box is respectively electrically connected with the display screen, the control key, the first electric push rod, the second electric push rod, the first distance measuring sensor, the distance measuring sensing group, the second distance measuring sensor, the first motor and the battery pack through conducting wires.
As a further improvement of the invention, an expansion plate is arranged between the holding rod and the bottom plate, a rectangular box is sleeved on the outer side of the expansion plate in a sliding manner, the rectangular box is integrally formed on a second output shaft of a second motor, and the second motor is fixedly connected to the top surface of the bottom plate;
Second guide grooves are symmetrically formed in the two side faces of the telescopic plate, and guide strips which are in clearance fit with the second guide grooves are arranged on the inner wall of the rectangular box;
the upper end of the second output shaft is fixedly connected with a positioning disc, the bottom surface of the holding rod is fixedly connected with a limiting sleeve, and a convex groove with an opening at the lower end on the limiting sleeve is used for clearance fit of the positioning disc;
a second gear rack is arranged on the top surface of the telescopic plate and meshed with the gear column above the second gear rack;
one end of the telescopic plate is provided with a roller, the other end of the telescopic plate is provided with a seam length detection mechanism, the seam length detection mechanism comprises a third electric push rod, a first insert rod and a second insert rod, the fixed section of the third electric push rod is fixedly connected to the end face of the telescopic plate through a connecting plate, the top face of the first insert rod is fixedly connected with the bottom face of the third electric push rod through a first connecting block, and a slot in clearance fit with the first electromagnetic plate on one side face of the first connecting block is formed in one side face of a second connecting block fixedly arranged on the top face of the second insert rod;
a through hole is formed in the lower end of the first inserted rod, a blind hole is communicated in the first inserted rod above the middle of the through hole, and a micro camera is fixedly mounted on the inner top surface of the blind hole;
The side wall of the second inserted bar is symmetrically provided with a groove, a clamping strip is placed in the groove, a positioning column which is in sliding sleeve connection at the position of the lower end of the clamping strip is fixedly connected to the inner wall of the groove, first return springs are in sliding sleeve connection on the positioning columns at two sides of the clamping strip, and two ends of each first return spring are fixedly connected to the clamping strip and the positioning column respectively;
a second electromagnetic plate is fixedly connected to the inner bottom surface of the groove at the inner side of the clamping strip;
one end of a measuring rope wound on the roller sequentially penetrates through the telescopic plate, the connecting plate and the through hole in a sliding manner and is fixedly connected to the second inserted rod;
the second motor, the third electric push rod, the first electromagnetic plate, the miniature camera and the second electromagnetic plate are all electrically connected with the single chip microcomputer through conducting wires.
Through the improvement, the third electric push rod extends out to drive the second inserted bar to be inserted into the initial position of the gap detection, then the clamping strip is bounced off under the action of the first return spring through the synchronous power-off of the first electromagnetic plate and the second electromagnetic plate, so as to realize the blocking of the second inserted link in the gap, realize the separation of the first connecting block and the second connecting block when the first electromagnetic plate is powered off, then, the third motor and the second motor rotate to realize the movement of the expansion plate in the rectangular box and the rotation of the rectangular box, thereby realizing that the first inserting column moves in the gap along the direction of the gap, because the first inserting column is arranged in the gap, at the in-process that removes, measure the rope and can wander away in the crack, the staff can be accurate read the data on the measuring rope through miniature camera to realize the detection of gap length.
Further, the fixed cover of gear post is connected on first rotation post, and the both ends of first rotation post all rotate through antifriction bearing and connect on the rectangle box lateral wall, the one end of first rotation post still extends to the outside gomphosis of rectangle box in the output of third motor, and third motor fixed connection is on the lateral wall of rectangle box, the third motor passes through conducting wire and singlechip electric connection.
Further, the roller is fixedly sleeved on the second rotating column, two ends of the second rotating column are connected to the end face of the expansion plate in a rotating mode through rolling bearings, one end of the second rotating column is further embedded into the output end of the fourth motor, the fourth motor is fixedly connected to the end face of the expansion plate, and the fourth motor is electrically connected with the single chip microcomputer through a conducting wire.
Furthermore, first inclined planes with lower ends close to each other are symmetrically arranged on the side wall of the lower end of the first inserted bar, and second inclined planes with lower ends close to each other are symmetrically arranged on the side wall of the lower end of the second inserted bar;
the through hole is arranged between the two first inclined surfaces, and the groove is arranged on the second inclined surface.
Further, four corner positions of the bottom surface of the bottom plate are fixedly provided with universal wheels, one side of the lower portion of the bottom plate is provided with a pedal, one side of the top surface of the pedal is symmetrically provided with guide rods, the other end of each guide rod penetrates through the bottom plate and the limiting disc to be fixedly connected, and the guide rods above the bottom plate are sleeved with second reset springs in a sliding mode.
The invention has the following beneficial effects:
1. when the slit width detection mechanism is used, the slit width detection mechanism can find the accurate width of the slit, so that the accurate detection of the slit width is realized, and workers can accurately acquire slit width data conveniently.
2. When the crack length detection mechanism is used, the measuring rope is located inside the crack, and then the measuring rope can correspondingly move inside the crack along the moving direction of the crack, so that the expanded length of the measuring rope is the same as the length of the crack, and a worker can accurately acquire the length of the crack through the miniature camera.
3. When the device is used, the overall structure of the device is small and exquisite, the operation is simple, and the labor intensity of detection of workers is effectively reduced through the matching of the holding rod and the bottom plate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a rear view of the structure of FIG. 1 in accordance with the present invention;
FIG. 3 is a vertical cross-sectional view of the structure of FIG. 1 in accordance with the present invention;
FIG. 4 is a schematic view of the combination of the retractable plate and the slot length detecting mechanism of the present invention;
FIG. 5 is a right side view of the FIG. 4 construction of the present invention;
FIG. 6 is a schematic view of the engagement of a first plunger and a second plunger according to the present invention;
FIG. 7 is a diagram of the first and second shafts to be engaged in the present invention;
FIG. 8 is an axial cross-sectional view of a first plunger of the present invention;
FIG. 9 is a schematic view of the overall structure of a second insert pin according to the present invention;
FIG. 10 is a schematic view of the bottom plate, the tray, the second motor and the rectangular box of the present invention in combination;
FIG. 11 is a schematic view of the overall structure of the seam width detecting mechanism according to the present invention;
FIG. 12 is a bottom schematic view of the structure of FIG. 11 in accordance with the present invention;
FIG. 13 is a schematic view showing the positioning plate, the first electric push rod and the second electric push rod of the present invention;
FIG. 14 is a schematic view of the combination of the holding rod, the battery box, the control box and the gear plate of the present invention;
fig. 15 is a bottom view of the fig. 14 structure of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a support rod; 2. a control box; 3. a gear plate; 4. a retractable plate; 5. a base plate; 6. a seam length detection mechanism; 7. a seam width detection mechanism; 101. a battery case; 102. a limiting sleeve; 201. a display screen; 202. a control key; 203. a handle; 301. a first motor; 302. a connecting frame; 303. a first output shaft; 401. a second gear rack; 402. a second guide groove; 403. a roller; 501. a pedal; 502. a universal wheel; 503. a second motor; 504. a rectangular box; 601. a third electric push rod; 602. a connecting plate; 603. a first plunger; 604. a second plunger; 701. positioning a rod; 702. an adjusting sleeve; 703. a first electric push rod; 704. a second electric push rod; 705. positioning a plate; 1011. an electrical connector; 1021. a convex groove; 4031. a second rotating cylinder; 4032. a fourth motor; 4033. measuring a rope; 5011. a guide bar; 5012. a second return spring; 5013. a limiting disc; 5031. a second output shaft; 5032. positioning a plate; 5041. a gear post; 5042. a first rotating column; 5043. a third motor; 5044. a guide strip; 6031. a first connection block; 6032. a first inclined surface; 6033. a first electromagnetic plate; 6034. a through hole; 6035. a miniature camera; 6036. blind holes; 6041. a second connecting block; 6042. a second inclined surface; 6043. clamping the strip; 6044. a slot; 6045. a groove; 6046. a second electromagnetic plate; 6047. a positioning column; 6048. a first return spring; 7011. a sliding groove; 7012. a first guide groove; 7013. a second ranging sensor; 7021. a first gear rack; 7051. a first ranging sensor; 7052. a ranging sensing group; 7053. fixing the ear; 7054. an L-shaped guide plate.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1, 2, 10, 12, 14 and 15, the invention relates to a high-precision crack detection ruler for detecting the quality of building engineering, which comprises a support rod 1 and a bottom plate 5 arranged below the support rod 1;
the battery box 101 is fixedly connected to the upper end of the holding rod 1, an electric connector 1011 is arranged on one side face of the battery box 101, the electric connector 1011 is electrically connected with a battery pack in the battery box 101 through a conducting wire, the battery pack in the battery box 101 can supply power to the device, and the electric connector 1011 can supply power to the device;
the top surface of the holding rod 1 is provided with a control box 2, the top surface of the control box 2 is sequentially provided with a display screen 201 and a control key 202, the two side surfaces of the control box 2 are symmetrically provided with handles 203, the handles 203 are convenient for a worker to hold by two hands to operate the device, the display screen 201 is used for displaying relevant information such as crack width, depth and length, and the control key 202 is convenient for the worker to operate and control the device;
It should be noted that, in actual use, according to the change of the size of the device, the number of the pedals 501 is not limited to one, and a corresponding number of pedals may be arranged around the bottom plate 5 as required;
the single chip microcomputer in the control box 2 is electrically connected with the display screen 201, the control key 202, the first electric push rod 703, the second electric push rod 704, the first distance measuring sensor 7051, the distance measuring sensing group 7052, the second distance measuring sensor 7013, the first motor 301 and the battery pack through conducting wires, and the single chip microcomputer is used for controlling electrical components in the device.
As shown in fig. 1-2 and 11-15, the device further includes a seam width detection mechanism 7 disposed on one side of one end of the handrail 1, the seam width detection mechanism 7 includes a positioning rod 701, an adjusting sleeve 702 and a positioning plate 705, and one end of the positioning rod 701 is fixedly disposed on an outer wall of the adjusting sleeve 702; a sliding groove 7011 with two closed ends is arranged in the positioning rod 701 along the direction of the long side, the two positioning plates 705 are both arranged below the positioning rod 701, and a fixing lug 7053 fixedly arranged on the top surfaces of the positioning plates 705 movably penetrates through the sliding groove 7011 to extend to the upper part of the positioning rod 701; a first electric push rod 703 is fixedly connected to one side face of the fixing lug 7053 close to the adjusting sleeve 702, a fixing section of the first electric push rod 703 is fixedly sleeved on the other fixing lug 7053, a second electric push rod 704 is fixedly connected to one side face of the fixing lug 7053 far away from the adjusting sleeve 702, a fixing section of the second electric push rod 704 is fixedly sleeved on one end face of the positioning rod 701, and the first electric push rod 703 can be stretched to adjust the relative movement of the two positioning plates 705 at first and the second electric push rod 704 can be stretched to realize the synchronous movement of the two positioning plates 705 in the sliding groove 7011;
The two ends of the positioning plate 705 are symmetrically provided with L-shaped guide plates 7054, the upper ends of the L-shaped guide plates 7054 are in clearance fit with first guide grooves 7012 on the side surface of the positioning rod 701, and the positioning plate 705 can play a role in limiting and guiding when moving;
a first distance measuring sensor 7051 is fixedly installed on the bottom surfaces of the positioning plates 705, distance measuring sensing sets 7052 are installed at positions where the bottom surfaces of the two positioning plates 705 are close to each other in an aligned mode, a plurality of second distance measuring sensors 7013 are arranged on the bottom surfaces of the positioning rods 701 on the two sides of the sliding groove 7011 in an array mode, and the second distance measuring sensors 7013 on the two sides of the sliding groove 7011 are arranged in a one-to-one staggered mode;
the first distance measuring sensor 7051 and the second distance measuring sensor 7013 are preferably ultrasonic distance measuring sensors or infrared distance measuring sensors;
the distance measurement sensing group 7052 is composed of a transmitting group and a receiving group, the transmitting group and the receiving group are arranged on two positioning plates 705, when the distance measurement sensing group 7052 realizes distance measurement through reflection, the transmitting group is an ultrasonic transmitter and an infrared transmitter, the receiving group is a transmitting baffle, when the distance measurement sensing group 7052 realizes distance measurement through signal reception, the transmitting group is a transmitting source, and the receiving group is a receiving source;
The adjusting sleeve 702 is rotatably sleeved on the holding rod 1 through a rolling bearing, a first gear strip 7021 is arranged on the outer wall of the upper end of the adjusting sleeve 702, the first gear strip 7021 is meshed with a gear disc 3 on one side, the gear disc 3 is coaxially and fixedly arranged at one end of a first output shaft 303 of the first motor 301, and the first motor 301 is fixedly connected to the holding rod 1 through a connecting frame 302;
when the arrangement is used, the first motor 301 rotates to drive the gear plate 3 to rotate by the first output shaft 303, because the gear plate 3 is meshed with the first gear bar 7021, the gear plate 3 can drive the adjusting sleeve 702 to rotate, so that the positioning rod 701 rotates by taking the supporting rod 1 as a shaft, the second distance measuring sensor 7013 sends a signal to check the distance change while rotating, when the signal of the two closest second distance measuring sensors 7013 is detected to change, it is indicated that the positioning rod 701 and the slit width are arranged in parallel, on the premise that the second electric push rod 704 stretches and retracts to change the signal detected by one of the first distance measuring sensors 7051, and then the first electric push rod 703 stretches and retracts to change the signal detected by the other first distance measuring sensor 7051, thereby further accurate determination of the slit width is realized, after the determination, the measurement of the seam width can be realized through the work of the distance measurement sensing group 7052;
When the positioning rod 701 rotates, the plurality of second distance measuring sensors 7013 may continuously detect a change of a signal, and select a maximum value from information of the signal change, that is, a depth of the gap.
Referring to fig. 1-3 and 10, an expansion plate 4 is disposed between the handrail 1 and the bottom plate 5, a rectangular box 504 is slidably sleeved outside the expansion plate 4, the rectangular box 504 is integrally formed on a second output shaft 5031 of the second motor 503, and the second motor 503 is fixedly connected to the top surface of the bottom plate 5;
the two side surfaces of the expansion plate 4 are symmetrically provided with second guide grooves 402, and the inner wall of the rectangular box 504 is provided with guide strips 5044 which are in clearance fit with the second guide grooves 402, so that the expansion plate 4 can be limited and guided when moving;
the upper end of the second output shaft 5031 is fixedly connected with a positioning disc 5032, the bottom surface of the support rod 1 is fixedly connected with a limiting sleeve 102, and a convex groove 1021 on the limiting sleeve 102, which is open at the lower end, is used for clearance fit of the positioning disc 5032, and when the second output shaft 5031 drives the positioning disc 5032 to rotate, the limiting fit between the positioning disc 5032 and the limiting sleeve 102 can be realized, and in actual use, for better fit, the positioning disc 5032 and the limiting sleeve 102 can be matched through a rolling bearing;
A second gear rack 401 is arranged on the top surface of the telescopic plate 4, and the second gear rack 401 is meshed with the gear column 5041 above;
the gear column 5041 is fixedly sleeved on the first rotating column 5042, two ends of the first rotating column 5042 are rotatably connected to the side wall of the rectangular box 504 through rolling bearings, one end of the first rotating column 5042 also extends to the outer side of the rectangular box 504 to be embedded into the output end of the third motor 5043, the third motor 5043 is fixedly connected to the outer side wall of the rectangular box 504, and the third motor 5043 is electrically connected with the single chip microcomputer through a conducting wire;
above-mentioned setting is when using, rotation through third motor 5043, can realize that first rotation post 5042 drives gear post 5041 and rotates, because the meshing setting between gear post 5041 and the second rack 401, the flexible removal of expansion plate 4 in rectangle box 504 can be realized in the rotation of gear post 5041, thereby realize the position control of expansion plate 4 on the horizontal plane, and the work of second motor 503 can realize that second output shaft 5031 drives the rotation of rectangle box 504, thereby realize that expansion plate 4 uses to hold pole 1 to rotate as the axle, thereby realize the angular adjustment of expansion plate 4 on the horizontal plane, through the adjustment of expansion plate 4 position and angle on the horizontal plane, be convenient for seam length detection mechanism 6 walks along fissured direction.
Please refer to fig. 4-9, one end of the expansion plate 4 is provided with the roller 403, the other end of the expansion plate 4 is provided with the seam length detection mechanism 6, the seam length detection mechanism 6 includes a third electric push rod 601, a first insert rod 603 and a second insert rod 604, a fixing section of the third electric push rod 601 is fixedly connected to the end surface of the expansion plate 4 through a connecting plate 602, the third electric push rod 601 can move in the vertical direction between the first insert rod 603 and the second insert rod 604, so as to facilitate the insertion into the seam, a top surface of the first insert rod 603 is fixedly connected to a bottom surface of the third electric push rod 601 through a first connecting block 6031, a slot 6044 in clearance fit with the first electromagnetic plate 6033 on a side surface of the first connecting block 6031 is provided on a side surface of the second connecting block 6041 fixedly provided on a top surface of the second insert rod 604, a mating arrangement between the first electromagnetic plate 6033 and the slot 6044 is provided, the connection between the first connecting block 31 and the second connecting block 6041 can be realized through the on-off electricity of the first electromagnetic plate 6033 And matching;
a through hole 6034 is formed in the lower end of the first inserting rod 603, a blind hole 6036 is formed in the first inserting rod 603 above the middle of the through hole 6034 in a communicating manner, a micro camera 6035 is fixedly mounted on the inner top surface of the blind hole 6036, and the micro camera 6035 can collect and read the numerical value on the measuring rope 4033;
a second electromagnetic plate 6046 is fixedly connected to the inner bottom surface of the groove 6045 on the inner side of the clamping strip 6043, the second electromagnetic plate 6046 can adsorb the clamping strip 6043 under the action of magnetism generated by electrifying, the clamping strip 6043 can be conveniently accommodated into the groove 6045, and in the actual use process, in order to improve the stability of matching between the clamping strip 6043 and the inner wall of the crack, a non-slip mat can be arranged on one side surface of the clamping strip 6043 far away from the groove 6045;
first inclined planes 6032 with lower ends close to each other are symmetrically arranged on the side wall of the lower end of the first inserting rod 603, second inclined planes 6042 with lower ends close to each other are symmetrically arranged on the side wall of the lower end of the second inserting rod 604, and the first inclined planes 6032 and the second inclined planes 6042 are arranged so as to facilitate the first inserting rod 603 and the second inserting rod 604 to be inserted into cracks;
A through hole 6034 is provided at a position between the two first inclined faces 6032, while a recess 6045 is provided on the second inclined face 6042;
the second motor 503, the third electric push rod 601, the first electromagnetic plate 6033, the miniature camera 6035 and the second electromagnetic plate 6046 are electrically connected with the single chip microcomputer through conducting wires;
when the device is used, a worker can send the crack length detection mechanism 6 to the initial position of the crack by adjusting the position of the expansion plate 4, then the third electric push rod 601 extends out to realize that the lower end of the second insertion rod 604 is inserted into the crack, then the second electromagnetic plate 6046 is powered off, under the reset action of the first reset spring 6048, the clamping strip 6043 is ejected from the groove 6045, the clamping strip 6043 is abutted against the inner wall of the crack to realize the positioning and fixing of the second insertion rod 604, then the first electromagnetic plate 6033 is powered off to realize the separation of the first connecting block 6031 and the second connecting block 6041, and then the expansion plate 4 is matched to adjust the position of the expansion plate, so that the first insertion rod 603 can move to the position of the holding rod 1 in the crack along the direction of the crack, the 4033 can move around and expand in the crack through the blocking inside the crack, and after the expansion plate 4 drives the first insertion rod 603 to move to the designated position, the micro camera 6035 can collect positions on the measuring rope 4033, thereby realizing measurement of the crack length.
Referring to fig. 4-7, one end of a measuring rope 4033 wound around a roller 403 sequentially slides through a telescopic plate 4, a connecting plate 602 and a through hole 6034 and is fixedly connected to a second insertion rod 604, and in an actual use process, length scale lines and corresponding numerical values can be marked on the measuring rope 4033, so that a worker can read the length scale lines conveniently;
the roller 403 is fixedly sleeved on the second rotating column 4031, two ends of the second rotating column 4031 are rotatably connected to the end face of the telescopic plate 4 through rolling bearings, one end of the second rotating column 4031 is further embedded in the output end of the fourth motor 4032, the fourth motor 4032 is fixedly connected to the end face of the telescopic plate 4, and the fourth motor 4032 is electrically connected with the single chip microcomputer through a conducting wire;
when the arrangement is used, after the length of the crack is detected, the expansion plate 4 moves to the position of the second insertion rod 604, the connection between the first insertion rod 603 and the second insertion rod 604 is realized by electrifying the first electromagnetic plate 6033 and the second electromagnetic plate 6046, the crack length detection mechanism 6 is taken out of the crack, and when the first insertion rod 603 approaches to the position of the second insertion rod 604, the fourth motor 4032 starts to work to drive the roller 403 to rotate, so that the roller 403 winds and winds the measuring rope 4033.
The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a building engineering quality detects uses high accuracy crack detection chi, includes holds up pole (1) and sets up bottom plate (5) holding up pole (1) below, its characterized in that: the device also comprises a seam width detection mechanism (7) arranged on one side of one end of the holding rod (1);
the seam width detection mechanism (7) comprises a positioning rod (701), an adjusting sleeve (702) and a positioning plate (705), and one end of the positioning rod (701) is fixedly arranged on the outer wall of the adjusting sleeve (702); a sliding groove (7011) with two closed ends is formed in the positioning rod (701) along the direction of the long side, the two positioning plates (705) are arranged below the positioning rod (701), and a fixing lug (7053) fixedly arranged on the top surfaces of the positioning plates (705) movably penetrates through the sliding groove (7011) to extend to the upper side of the positioning rod (701); a first electric push rod (703) is fixedly connected to one side face of the fixing lug (7053) close to the adjusting sleeve (702), the fixing section of the first electric push rod (703) is fixedly sleeved on the other fixing lug (7053), a second electric push rod (704) is fixedly connected to one side face of the fixing lug (7053) far away from the adjusting sleeve (702), and the fixing section of the second electric push rod (704) is fixedly sleeved on one end face of the positioning rod (701);
A first distance measuring sensor (7051) is fixedly mounted on the bottom surfaces of the positioning plates (705), distance measuring sensing sets (7052) are mounted at positions, close to the bottom surfaces of the two positioning plates (705), in an aligned mode, and a plurality of second distance measuring sensors (7013) are arranged on the bottom surfaces of the positioning rods (701) on the two sides of the sliding groove (7011) in an array mode;
adjusting collar (702) rotates to cup joint on holding up pole (1) through antifriction bearing, and is provided with first rack (7021) on the upper end outer wall of adjusting collar (702), first rack (7021) and the meshing of toothed disc (3) of one side, toothed disc (3) are coaxial to be set firmly on first output shaft (303) one end of first motor (301), and first motor (301) pass through link (302) fixed connection on holding up pole (1).
2. The high-precision crack detection ruler for the quality detection of constructional engineering as claimed in claim 1, wherein the second distance measuring sensors (7013) at both sides of the sliding groove (7011) are arranged in a one-to-one staggered manner.
3. The high-precision crack detection ruler for the building engineering quality detection as claimed in claim 2, characterized in that the two ends of the positioning plate (705) are symmetrically provided with L-shaped guide plates (7054), and the upper ends of the L-shaped guide plates (7054) are in clearance fit with first guide grooves (7012) on the side surfaces of the positioning rods (701).
4. The high-precision crack detection ruler for building engineering quality detection as claimed in any one of claims 1 to 3, wherein a battery box (101) is fixedly connected to the upper end of the support rod (1), an electrical connector (1011) is arranged on one side surface of the battery box (101), and the electrical connector (1011) is electrically connected with a battery pack in the battery box (101) through a conducting wire.
5. The high-precision crack detection ruler for building engineering quality detection as claimed in claim 4, wherein the top surface of the handrail (1) is provided with a control box (2), the top surface of the control box (2) is sequentially provided with a display screen (201) and a control key (202), and simultaneously, two side surfaces of the control box (2) are symmetrically provided with handles (203);
the single chip microcomputer in the control box (2) is electrically connected with the display screen (201), the control key (202), the first electric push rod (703), the second electric push rod (704), the first distance measuring sensor (7051), the distance measuring sensing group (7052), the second distance measuring sensor (7013), the first motor (301) and the battery pack through conducting wires.
6. The high-precision crack detection ruler for the building engineering quality detection as claimed in any one of claims 1, 2, 3 and 5, wherein a telescopic plate (4) is arranged between the handrail (1) and the bottom plate (5), a rectangular box (504) is slidably sleeved on the outer side of the telescopic plate (4), the rectangular box (504) is integrally formed on a second output shaft (5031) of a second motor (503), and the second motor (503) is fixedly connected to the top surface of the bottom plate (5);
Second guide grooves (402) are symmetrically formed in two side faces of the telescopic plate (4), and meanwhile guide strips (5044) which are in clearance fit with the second guide grooves (402) are arranged on the inner wall of the rectangular box (504);
the upper end of the second output shaft (5031) is fixedly connected with a positioning disc (5032), the bottom surface of the holding rod (1) is fixedly connected with a limiting sleeve (102), and a convex groove (1021) with an opening at the lower end on the limiting sleeve (102) is used for clearance fit of the positioning disc (5032);
a second gear rack (401) is arranged on the top surface of the telescopic plate (4), and the second gear rack (401) is meshed with the gear column (5041) above the second gear rack;
one end of the expansion plate (4) is provided with a roller (403), the other end of the expansion plate (4) is provided with a seam length detection mechanism (6), the seam length detection mechanism (6) comprises a third electric push rod (601), a first insert rod (603) and a second insert rod (604), the fixed section of the third electric push rod (601) is fixedly connected to the end face of the expansion plate (4) through a connecting plate (602), the top surface of the first insert rod (603) is fixedly connected with the bottom surface of the third electric push rod (601) through a first connecting block (6031), and a slot (6044) in clearance fit with a first electromagnetic plate (6033) on one side surface of the first connecting block (6031) is formed in one side surface of a second connecting block (6041) fixedly arranged on the top surface of the second insert rod (604);
A through hole (6034) is formed in the lower end of the first inserting rod (603), a blind hole (6036) is formed in the first inserting rod (603) above the middle of the through hole (6034) in a communicating mode, and a micro camera (6035) is fixedly mounted on the inner top face of the blind hole (6036);
grooves (6045) are symmetrically formed in the side wall of the second inserting rod (604), a clamping strip (6043) is placed in each groove (6045), positioning columns (6047) which are slidably sleeved at the lower end of each clamping strip (6043) are fixedly connected to the inner wall of each groove (6045), first return springs (6048) are slidably sleeved on the positioning columns (6047) on the two sides of each clamping strip (6043), and the two ends of each first return spring (6048) are fixedly connected to the clamping strip (6043) and the corresponding positioning column (6047) respectively;
a second electromagnetic plate (6046) is fixedly connected to the inner bottom surface of the groove (6045) on the inner side of the clamping strip (6043);
one end of a measuring rope (4033) wound on the roller (403) sequentially penetrates through the expansion plate (4), the connecting plate (602) and the through hole (6034) in a sliding manner and is fixedly connected to the second inserting rod (604);
the second motor (503), the third electric push rod (601), the first electromagnetic plate (6033), the miniature camera (6035) and the second electromagnetic plate (6046) are all electrically connected with the single chip microcomputer through conducting wires.
7. The high-precision crack detection ruler for building engineering quality detection as claimed in claim 6, wherein the gear column (5041) is fixedly sleeved on the first rotating column (5042), two ends of the first rotating column (5042) are rotatably connected to the side wall of the rectangular box (504) through rolling bearings, one end of the first rotating column (5042) further extends to the outer side of the rectangular box (504) to be embedded in the output end of the third motor (5043), the third motor (5043) is fixedly connected to the outer side wall of the rectangular box (504), and the third motor (5043) is electrically connected with the single chip microcomputer through a conducting wire.
8. The high-precision crack detection ruler for building engineering quality detection as claimed in claim 7, wherein the roller (403) is fixedly sleeved on the second rotating column (4031), two ends of the second rotating column (4031) are rotatably connected to the end face of the expansion plate (4) through rolling bearings, one end of the second rotating column (4031) is further embedded in the output end of the fourth motor (4032), the fourth motor (4032) is fixedly connected to the end face of the expansion plate (4), and the fourth motor (4032) is electrically connected to the single chip microcomputer through a conducting wire.
9. The high-precision crack detection ruler for building engineering quality detection as claimed in claim 6, wherein the first inclined planes (6032) with the lower ends close to each other are symmetrically arranged on the side wall of the lower end of the first insertion rod (603), and the second inclined planes (6042) with the lower ends close to each other are symmetrically arranged on the side wall of the lower end of the second insertion rod (604);
The through hole (6034) is arranged between the two first inclined surfaces (6032), and the groove (6045) is arranged on the second inclined surface (6042).
10. The high-precision crack detection ruler for the building engineering quality detection is characterized in that universal wheels (502) are fixedly mounted at four corners of the bottom surface of the bottom plate (5), a pedal (501) is arranged on one side below the bottom plate (5), guide rods (5011) are symmetrically arranged on one side of the top surface of the pedal (501), the other end of each guide rod (5011) penetrates through the bottom plate (5) in a sliding mode to be fixedly connected with a limit disc (5013), and a second return spring (5012) is sleeved on the guide rod (5011) above the bottom plate (5) in a sliding mode.
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| CN202210152044.0A CN114518086B (en) | 2022-02-18 | 2022-02-18 | High-precision crack detection ruler for quality detection of constructional engineering |
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| CN114518086B (en) | 2023-05-12 |
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