CN114518086B - High-precision crack detection ruler for quality detection of constructional engineering - Google Patents
High-precision crack detection ruler for quality detection of constructional engineering Download PDFInfo
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- CN114518086B CN114518086B CN202210152044.0A CN202210152044A CN114518086B CN 114518086 B CN114518086 B CN 114518086B CN 202210152044 A CN202210152044 A CN 202210152044A CN 114518086 B CN114518086 B CN 114518086B
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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 handrail, a bottom plate arranged below the handrail, and a seam width detection mechanism arranged at one side of one end of the handrail; the slit 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 long side direction, two positioning plates are arranged below the positioning rod, and a fixed 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 fixed lug close to the adjusting sleeve. The invention has the advantages of convenient integral structure, simple operation and low labor intensity, can realize accurate measurement of the width of the crack in actual use, improves the accuracy of data acquisition, can detect the length of the crack, improves the richness of data acquisition items, and has strong practicability.
Description
Technical Field
The invention belongs to the technical field of engineering detection, and particularly relates to a high-precision crack detection ruler for quality detection of constructional engineering.
Background
In the construction engineering process, a worker needs to carry out multiple tests on the quality of the engineering, for example, the length and width test of a crack are one of the indispensable tests on the quality of the engineering, and when the crack of the engineering is tested, the worker can carry and test the crack through a crack test ruler;
as in the prior publication, CN111504239B, a high-precision crack detecting ruler for detecting the quality of construction engineering, is disclosed, which comprises a mounting base, a leveling mechanism, a locking mechanism, a width measuring mechanism, a depth measuring mechanism, a power supply, a remote communication module and a controller; the leveling mechanism is rotationally connected with four corners of the mounting seat, the locking mechanism is arranged on one side of the mounting seat where the leveling mechanism is located, the width measuring mechanism and the depth measuring mechanism are detachably connected with the mounting seat, the power supply and the remote communication module are arranged inside the mounting seat, the width measuring mechanism and the depth measuring mechanism are electrically connected with the controller of the mounting seat, the remote communication module is electrically connected with the controller, and the remote communication module is remotely communicated with the control center. According to the scheme, the leveling mechanism is arranged, so that the width measurement data are more accurate and reliable, the carrying is more convenient through the folding and storage design, and the measuring difficulty of staff is reduced;
in the actual use process of the conventional crack detection ruler, although the crack detection in the building engineering can be realized, the following defects still exist in the actual use process of the conventional crack detection ruler:
1. when the conventional crack detection ruler is actually used, the width of a crack is detected through the width measuring mechanism, but in the actual use, the width measuring mechanism cannot be attached to the crack due to the fact that two plates are arranged on the same vertical plane, so that the accuracy of detection data of the width is low;
2. when the conventional 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 detecting the crack are fewer, and the engineering quality cannot be fully disclosed;
3. the existing crack detection ruler has the defects that the integral structure is large in actual use, and the movement operation is inconvenient in use, so that the operation of workers in actual use is inconvenient;
accordingly, there is a need for improvements in the art to address the above-described problems.
Disclosure of Invention
The invention aims to provide a high-precision crack detection ruler for detecting the quality of construction engineering, which has the advantages of high crack width detection accuracy, capability of detecting the length of a crack, small overall structure and convenience in operation, and solves the problems that the conventional crack detection ruler has low width detection accuracy, cannot detect the length of the crack, has a large overall structure and is complex in operation 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 construction engineering, which comprises a handrail, a bottom plate arranged below the handrail, and a crack width detection mechanism arranged at one side of one end of the handrail;
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 internally provided with a sliding groove with two closed ends along the long side direction, the two positioning plates are arranged below the positioning rod, and the fixed lugs fixedly arranged on the top surface of the positioning plate movably pass through the sliding groove and extend to the upper part of the positioning rod; a first electric push rod is fixedly connected to one side surface of the fixed lug close to the adjusting sleeve, a fixed section of the first electric push rod is fixedly sleeved on the other fixed lug, a second electric push rod is fixedly connected to one side surface of the fixed lug far away from the adjusting sleeve, and a fixed section of the second electric push rod is fixedly sleeved on one end surface of the positioning rod;
the bottom surfaces of the positioning plates are fixedly provided with first distance measuring sensors, meanwhile, the positions, close to each other, of the bottom surfaces of the two positioning plates are provided with distance measuring sensor groups in an aligned mode, and the bottom surfaces of the positioning rods on two sides of the sliding groove are provided with a plurality of second distance measuring sensors in an array mode;
the adjusting sleeve is rotatably sleeved on the supporting rod through a rolling bearing, a first gear strip is arranged on the outer wall of the upper end of the adjusting sleeve, the first gear strip is meshed with a gear disc on one side, the gear disc is coaxially and fixedly arranged at one end of a first output shaft of the first motor, and the first motor is fixedly connected onto the supporting rod through a connecting frame.
According to the invention, through the improvement, the first motor rotates to drive the first gear wheel to rotate, so that the seam width detection mechanism rotates by taking the support rod as an axis, the second distance measurement sensor on the bottom surface of the positioning rod can find out the position with the minimum seam width through the detected distance change in the rotating process of the seam width detection mechanism, so that the positioning rod is determined to be in a parallel state with the seam width, when the positioning rod is determined to be parallel to the seam width, the first electric push rod and the second electric push rod move in a matched manner, the relative movement of the two positioning plates can be realized, so that the seam width can be further determined, the distance detected between the distance measurement sensing groups is the seam width of the seam after the determination, and the depth of the seam can be determined by selecting the longest distance collected by the first distance measurement sensor in the using process;
the support rod and the bottom plate are matched to realize the overall movement of the device, so that the device has a small overall structure, is more convenient to use and has low operation labor intensity.
Further, a plurality of second distance measuring sensors on two sides of the sliding groove are arranged in a one-to-one staggered mode.
Further, the two ends of the positioning plate are symmetrically provided with L-shaped guide plates, and the upper ends of the L-shaped guide plates are in clearance fit in the first guide grooves on the side surfaces of the positioning rods.
Further, the upper end position of the support rod is fixedly connected with a battery box, an electric connector is arranged on one side face of the battery box, and the electric connector is electrically connected with a battery pack in the battery box through a conducting wire.
Further, a control box is arranged on the top surface of the handrail, 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 connected with the display screen, the control key, the first electric push rod, the second electric push rod, the first ranging sensor, the ranging sensor group, the second ranging sensor, the first motor and the battery group through conducting wires.
As a further improvement of the invention, a telescopic plate is arranged between the support rod and the bottom plate, a rectangular box is sleeved on the outer side of the telescopic plate in a sliding way, 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 two side faces of the expansion plate, and guide strips which are used for being 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 handrail is fixedly connected with a limit sleeve, and a convex groove with an opening at the lower end of the limit sleeve is used for clearance fit of the positioning disc;
the top surface of the expansion plate is provided with a second gear bar which is meshed with the gear column above the expansion plate;
the telescopic device comprises a telescopic plate, a first connecting block, a second connecting block, a first electromagnetic plate and a second electromagnetic plate, wherein 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 inserting rod and a second inserting rod, a 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 inserting rod is fixedly connected with the bottom face of the third electric push rod through the 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 the second connecting block fixedly arranged on the top face of the second inserting rod;
a through hole is formed in the lower end position of the first inserted link, a blind hole is formed in the first inserted link at the position above the middle of the through hole in a communicating manner, and a miniature camera is fixedly arranged on the inner top surface of the blind hole;
the side wall of the second inserted link is symmetrically provided with a groove, a clamping bar is placed in the groove, positioning columns sleeved at the lower end of the clamping bar in a sliding manner are fixedly connected to the inner wall of the groove, first reset springs are sleeved on the positioning columns at two sides of the clamping bar in a sliding manner, and two ends of each first reset spring are fixedly connected to the clamping bar and the positioning columns respectively;
the inner bottom surface of the groove on the inner side of the clamping strip is fixedly connected with a second electromagnetic plate;
one end of the measuring rope wound on the roller sequentially slides through the expansion plate, the connecting plate and the through hole to be fixedly connected to the second inserted link;
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.
According to the invention, through the improvement, the second inserting rod can be driven to be inserted into the initial position for gap detection through the extension of the third electric push rod, then through the synchronous outage of the first electromagnetic plate and the second electromagnetic plate, the clamping strip is sprung open under the action of the first reset spring so as to realize the blocking of the second inserting rod in the gap, the outage of the first electromagnetic plate can realize the separation of the first connecting block and the second connecting block, then the rotation of the third motor and the second motor can realize the movement of the expansion plate in the rectangular box and the self rotation of the rectangular box, so that the first inserting column is moved in the gap along the direction of the gap, and because the first inserting column is arranged in the insertion in the gap, the measuring rope can walk in the gap in the moving process, and a worker can accurately read the data on the measuring rope through the miniature camera so as to realize the detection of the gap length.
Further, the gear post is fixedly sleeved on the first rotating post, two ends of the first rotating post are rotationally connected to the side wall of the rectangular box through rolling bearings, one end of the first rotating post is further extended to the outer side of the rectangular box to be embedded in the output end of the third motor, the third motor is fixedly connected to the outer side wall of the rectangular box, and the third motor is electrically connected with the single chip microcomputer through a conducting wire.
Further, the roller is fixedly sleeved on the second rotating column, two ends of the second rotating column are rotatably connected to the end face of the expansion plate through rolling bearings, one end of the second rotating column is further embedded in 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.
Further, the side wall of the lower end of the first inserted link is symmetrically provided with a first inclined plane of which the lower ends are mutually close, and the side wall of the lower end of the second inserted link is symmetrically provided with a second inclined plane of which the lower ends are mutually close;
the through hole is arranged at a position between the two first inclined surfaces, and the groove is arranged on the second inclined surface.
Further, universal wheels are fixedly installed at four corner positions of the bottom surface of the bottom plate, a pedal is arranged on one side of the lower portion of the bottom plate, guide rods are symmetrically arranged on one side of the top surface of the pedal, the other ends of the guide rods penetrate through the bottom plate in a sliding mode and are fixedly connected with the limiting plate, and a second reset spring is sleeved on the guide rods located above the bottom plate in a sliding mode.
The invention has the following beneficial effects:
1. when the slit width detection device 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 the accurate collection of slit width data can be realized by staff conveniently.
2. When the crack length detection mechanism is used, the measuring rope is positioned in the crack, and then the measuring rope can correspondingly walk in the crack along the walk direction of the crack, so that the unfolding length of the measuring rope is identical to 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 supporting rod is matched with the bottom plate, so that the whole structure of the device is small and exquisite, the operation is simple, and the labor intensity of detection by staff is effectively reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a rear elevational view of the FIG. 1 structure of the present invention;
FIG. 3 is a cross-sectional view of the structure of FIG. 1 in a vertical direction in accordance with the present invention;
FIG. 4 is a schematic diagram showing the cooperation of the expansion plate and the seam length detection mechanism in the present invention;
FIG. 5 is a right side view of the structure of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic diagram illustrating the cooperation of a first plunger and a second plunger according to the present invention;
FIG. 7 is a diagram showing the first and second plungers to be engaged according to the present invention;
FIG. 8 is an axial cross-sectional view of a first bayonet of the present invention;
FIG. 9 is a schematic diagram showing the overall structure of a second plunger according to the present invention;
FIG. 10 is a schematic diagram of the cooperation of the bottom plate, tray, second motor and rectangular box of the present invention;
FIG. 11 is a schematic diagram 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 diagram illustrating the cooperation of the positioning plate, the first electric putter and the second electric putter according to the present invention;
FIG. 14 is a schematic view of the cooperation of the walker, battery box, control box and gear tray of the present invention;
fig. 15 is a bottom view of the structure of fig. 14 in accordance with the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a support rod; 2. a control box; 3. a gear plate; 4. a telescoping plate; 5. a bottom plate; 6. a seam length detection mechanism; 7. a slit width detection mechanism; 101. a battery case; 102. a limit 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 bar; 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. a positioning rod; 702. an adjusting sleeve; 703. a first electric push rod; 704. a second electric push rod; 705. a positioning plate; 1011. an electrical connector; 1021. a convex groove; 4031. a second rotating column; 4032. a fourth motor; 4033. measuring ropes; 5011. a guide rod; 5012. a second return spring; 5013. a limiting disc; 5031. a second output shaft; 5032. a positioning plate; 5041. a gear post; 5042. a first rotating column; 5043. a third motor; 5044. a guide bar; 6031. a first connection block; 6032. a first inclined surface; 6033. a first electromagnetic plate; 6034. a through hole; 6035. a miniature camera; 6036. a blind hole; 6041. a second connection block; 6042. a second inclined surface; 6043. clamping strips; 6044. a slot; 6045. a groove; 6046. a second electromagnetic plate; 6047. positioning columns; 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. a fixed ear; 7054. l-shaped guide plate.
Detailed Description
The technical solutions 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 present invention is a high-precision crack detection ruler for detecting the quality of construction engineering, which comprises a handrail 1 and a bottom plate 5 arranged below the handrail 1;
the upper end position of the support rod 1 is fixedly connected with a battery box 101, one side surface of the battery box 101 is provided with an electric connector 1011, 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 arrangement of the electric connector 1011 can realize the power supply to the device;
the control box 2 is arranged on the top surface of the handrail 1, the display screen 201 and the control keys 202 are sequentially arranged on the top surface of the control box 2, meanwhile, the handles 203 are symmetrically arranged on the two side surfaces of the control box 2, the handles 203 are convenient for the hands of staff to grasp, the display screen 201 is used for displaying relevant information such as the width, the depth and the length of a crack, and the control keys 202 are convenient for the staff to control the operation of the device;
the universal wheels 502 are fixedly installed at four corner positions of the bottom surface of the bottom plate 5, the universal wheels 502 are convenient for the movement of the device, the pedal 501 is arranged on one side of the lower side of the bottom plate 5, the pedal 501 is convenient for a worker to step on or place a counterweight, the device is fixed in positioning during inspection, the guide rods 5011 are symmetrically arranged on one side of the top surface of the pedal 501, the guide rods 5011 are convenient for limiting guide when the pedal 501 moves up and down, the other end of each guide rod 5011 slides through the bottom plate 5 and is fixedly connected with the limiting disc 5013, the limiting disc 5013 can limit the upper end of each guide rod 5011, separation between each guide rod 5011 and the bottom plate 5 is avoided, a second reset spring 5012 is sleeved on each guide rod 5011 located above the bottom plate 5 in a sliding mode, and the second reset spring 5012 can reset automatically after the pedal 501 is lost to be positioned;
in practical use, the number of pedals 501 is not limited to one according to the change of the device size, and can be set in corresponding number around the bottom plate 5 as required;
the singlechip 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 ranging sensor 7051, the ranging sensor set 7052, the second ranging sensor 7013, the first motor 301 and the battery pack respectively through conducting wires, and the singlechip is used for controlling all electrical components in the device.
Referring to fig. 1-2 and 11-15, the device further comprises a slit width detection mechanism 7 arranged at one side of one end of the handrail 1, wherein the slit 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; the positioning rod 701 is provided with a sliding groove 7011 with two closed ends along the long side direction, two positioning plates 705 are arranged below the positioning rod 701, and a fixed lug 7053 fixedly arranged on the top surface of the positioning plate 705 movably passes through the sliding groove 7011 and extends to the upper part of the positioning rod 701; a first electric push rod 703 is fixedly connected to one side surface of the fixed lug 7053 close to the adjusting sleeve 702, a fixed section of the first electric push rod 703 is fixedly sleeved on the other fixed lug 7053, a second electric push rod 704 is fixedly connected to one side surface of the fixed lug 7053 far away from the adjusting sleeve 702, a fixed section of the second electric push rod 704 is fixedly sleeved on one end surface of the positioning rod 701, the first electric push rod 703 stretches, the relative movement of the positions between the two positioning plates 705 can be adjusted, and the second electric push rod 704 stretches, so that the two positioning plates 705 can synchronously move 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 in first guide grooves 7012 on the side surfaces of the positioning rods 701, and the positioning plate 705 can play a role in limiting and guiding when moving;
the bottom surfaces of the positioning plates 705 are fixedly provided with first ranging sensors 7051, meanwhile, the positions, close to each other, of the bottom surfaces of the two positioning plates 705 are provided with ranging sensor groups 7052 in an aligned mode, a plurality of second ranging sensors 7013 are arranged on the bottom surfaces of the positioning rods 701 on two sides of the sliding groove 7011 in an array mode, and the second ranging sensors 7013 on two sides of the sliding groove 7011 are arranged in a one-to-one staggered mode;
the first ranging sensor 7051 and the second ranging sensor 7013 are preferably ultrasonic ranging sensors or infrared ranging sensors;
the ranging sensing set 7052 is composed of a transmitting set and a receiving set, the transmitting set and the receiving set are arranged on the two positioning plates 705, when the ranging sensing set 7052 realizes the distance measurement through reflection, the transmitting set is an ultrasonic transmitter and an infrared transmitter, the receiving set is a transmitting baffle, and when the ranging sensing set 7052 realizes the distance measurement through signal receiving, the transmitting set is a transmitting source, and the receiving set is a receiving source;
the adjusting sleeve 702 is rotatably sleeved on the handrail 1 through a rolling bearing, a first gear 7021 is arranged on the outer wall of the upper end of the adjusting sleeve 702, the first gear 7021 is meshed with a gear plate 3 on one side, the gear plate 3 is coaxially and fixedly arranged on one end of a first output shaft 303 of the first motor 301, and the first motor 301 is fixedly connected to the handrail 1 through a connecting frame 302;
when the device is used, under the action of rotation of the first motor 301, the first output shaft 303 can drive the gear disc 3 to rotate, because of the meshing arrangement between the gear disc 3 and the first gear strip 7021, the gear disc 3 can drive the adjusting sleeve 702 to rotate, and further the positioning rod 701 rotates by taking the handrail 1 as an axis, while rotating, the second ranging sensor 7013 can send out a signal to realize the checking of distance change, when the change of the signals of the two nearest second ranging sensors 7013 is detected, the positioning rod 701 is parallel to the seam width, under the premise, the second electric push rod 704 stretches to realize the change of the signal detected by one of the first ranging sensors 7051, then the first electric push rod 703 stretches to realize the change of the signal detected by the other first ranging sensor 7051, so that the further accurate determination of the seam width is realized, and after the determination, the measurement of the seam width can be realized through the work of the ranging sensor group 7052;
and the second distance measuring sensors 7013 can continuously detect the change of the signal when the positioning rod 701 rotates, and the maximum value is selected from the information of the change of the signal, namely the depth of the gap.
Referring to fig. 1-3 and 10, a telescopic plate 4 is arranged between the handrail 1 and the bottom plate 5, a rectangular box 504 is sleeved on the outer side of the telescopic plate 4 in a sliding manner, 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;
the upper end of the second output shaft 5031 is fixedly connected with a positioning disc 5032, the bottom surface of the handrail 1 is fixedly connected with a limit sleeve 102, a convex groove 1021 with an opening at the lower end on the limit sleeve 102 is used for clearance fit of the positioning disc 5032, and the positioning disc 5032 is matched with the limit sleeve 102 through a rolling bearing in actual use while the positioning disc 5032 is driven by the second output shaft 5031 to rotate;
a second gear bar 401 is arranged on the top surface of the expansion plate 4, and the second gear bar 401 is meshed with a 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 and is 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;
when the telescopic device is used, the first rotating column 5042 can be used for driving the gear column 5041 to rotate through the rotation of the third motor 5043, the telescopic movement of the telescopic plate 4 in the rectangular box 504 can be realized through the rotation of the gear column 5041 and the second gear bar 401 because of the meshing arrangement between the gear column 5041 and the second gear bar 401, so that the position of the telescopic plate 4 on the horizontal plane can be adjusted, the second motor 503 can be used for realizing the rotation of the rectangular box 504 through the operation of the second output shaft 5031, the telescopic plate 4 can be rotated by taking the support rod 1 as an axis, the angle adjustment of the telescopic plate 4 on the horizontal plane can be realized, and the seam length detection mechanism 6 can be conveniently moved along the direction of a crack through the position and the angle adjustment of the telescopic plate 4 on the horizontal plane.
Referring to fig. 4-9, a roller 403 is disposed at one end of the expansion board 4, a slot length detecting mechanism 6 is disposed at the other end of the expansion board 4, the slot length detecting mechanism 6 includes a third electric push rod 601, a first inserting rod 603 and a second inserting rod 604, a fixed section of the third electric push rod 601 is fixedly connected to an end face of the expansion board 4 through a connecting plate 602, the third electric push rod 601 can enable the first inserting rod 603 and the second inserting rod 604 to move in a vertical direction, so that insertion into a crack is facilitated, a top face of the first inserting rod 603 is fixedly connected with a bottom face of the third electric push rod 601 through a first connecting block 6031, a slot 6044 in clearance fit with a first electromagnetic plate 6033 on one side face of the first connecting block 6031 is disposed on one side face of the second connecting block 6041, and connection and cooperation between the first electromagnetic plate 6033 and the slot 6044 can be achieved through on-off of the first electromagnetic plate 6033;
a through hole 6034 is formed in the lower end position of the first inserted rod 603, a blind hole 6036 is formed in the first inserted rod 603 at the position above the middle of the through hole 6034 in an in-connection mode, a micro camera 6035 is fixedly installed 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;
the side wall of the second inserted link 604 is symmetrically provided with a groove 6045, a clamping bar 6043 is placed in the groove 6045, a positioning column 6047 which is in sliding sleeve connection with the lower end of the clamping bar 6043 is fixedly connected to the inner wall of the groove 6045, first return springs 6048 are respectively in sliding sleeve connection with the positioning columns 6047 on two sides of the clamping bar 6043, two ends of the first return springs 6048 are respectively and fixedly connected to the clamping bar 6043 and the positioning column 6047, and the clamping bar 6043 can be ejected from the groove 6045 through the arrangement of the first return springs 6048;
the 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 absorb the clamping strip 6043 under the action of magnetism generated by electrifying, so that the clamping strip 6043 is convenient to be stored in the groove 6045, and in the actual use process, in order to improve the stability of the matching between the clamping strip 6043 and the inner wall of a crack, an anti-slip pad can be arranged on one side surface of the clamping strip 6043 far away from the groove 6045;
the lower end side wall of the first inserting rod 603 is symmetrically provided with a first inclined surface 6032 with the lower ends being mutually close, and the lower end side wall of the second inserting rod 604 is symmetrically provided with a second inclined surface 6042 with the lower ends being mutually close, so that the first inserting rod 603 and the second inserting rod 604 are convenient to insert into a crack;
the through hole 6034 is provided at a position between the two first inclined surfaces 6032 while the recess 6045 is provided on the second inclined surface 6042;
the second motor 503, the third electric push rod 601, the first electromagnetic plate 6033, the micro camera 6035 and the second electromagnetic plate 6046 are all electrically connected with the singlechip through conducting wires;
when the device is used, a worker can send the seam length detection mechanism 6 to the initial position of a crack by adjusting the position of the expansion plate 4, then the third electric push rod 601 stretches out, the lower end of the second inserting rod 604 is plugged 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 pops out of the groove 6045, the clamping strip 6043 abuts against the inner wall of the crack, the positioning and fixing of the second inserting rod 604 are realized, then the first electromagnetic plate 6033 is powered off, the separation of the first connecting block 6031 and the second connecting block 6041 can be realized, the adjustment of the position of the expansion plate 4 is matched, the first inserting rod 603 can be realized to move to the position of the supporting rod 1 along the direction of the crack, the measuring rope 4033 can be unfolded in a running way in the crack, after the expansion plate 4 drives the first inserting rod 603 to move to the designated position, the miniature camera 6035 can acquire the position on the measuring rope 4033, and accordingly the length of the crack is measured.
Referring to fig. 4-7, one end of a measuring rope 4033 wrapped on the roller 403 sequentially slides through the expansion plate 4, the connecting plate 602 and the through hole 6034 to be fixedly connected to the second inserting rod 604, and in the actual use process, length scale marks and corresponding numerical values can be marked on the measuring rope 4033, so that the reading of staff is facilitated;
the roller 403 is fixedly sleeved on the second rotating column 4031, both 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 also 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 with the single chip microcomputer through a conducting wire;
when the device is used, after the detection of the length of the crack is completed, the expansion plate 4 moves to the second inserting rod 604, the connection between the first inserting rod 603 and the second inserting rod 604 is realized through the electrification of the first electromagnetic plate 6033 and the electrification of the second electromagnetic plate 6046, the crack length detection mechanism 6 is taken out from the crack, and when the first inserting rod 603 approaches to the second inserting rod 604, the fourth motor 4032 starts to work to drive the roller 403 to rotate, so that the roller 403 winds the measuring rope 4033.
The foregoing is only a preferred embodiment of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present invention.
Claims (10)
1. The utility model provides a building engineering quality detects with high accuracy crack detection chi, includes handrail (1) and sets up bottom plate (5) in handrail (1) below, its characterized in that: the device also comprises a seam width detection mechanism (7) arranged at one side of one end of the handrail (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 long side direction, two positioning plates (705) are arranged below the positioning rod (701), and a fixed lug (7053) fixedly arranged on the top surface of the positioning plate (705) movably penetrates through the sliding groove (7011) and extends to the upper side of the positioning rod (701); a first electric push rod (703) is fixedly connected to one side surface of the fixed lug (7053) close to the adjusting sleeve (702), a fixed section of the first electric push rod (703) is fixedly sleeved on the other fixed lug (7053), a second electric push rod (704) is fixedly connected to one side surface of the fixed lug (7053) far away from the adjusting sleeve (702), and a fixed section of the second electric push rod (704) is fixedly sleeved on one end surface of the positioning rod (701);
a first ranging sensor (7051) is fixedly arranged on the bottom surface of the positioning plates (705), a ranging sensor group (7052) is arranged at the position, close to the bottom surfaces of the two positioning plates (705), in an aligned mode, and a plurality of second ranging sensors (7013) are arranged on the bottom surfaces of the positioning rods (701) on two sides of the sliding groove (7011) in an array mode;
the adjusting sleeve (702) is rotatably sleeved on the handrail (1) through a rolling bearing, a first gear bar (7021) is arranged on the outer wall of the upper end of the adjusting sleeve (702), the first gear bar (7021) is meshed with a gear disc (3) on one side, the gear disc (3) is coaxially 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 handrail (1) through a connecting frame (302).
2. The high-precision crack detection ruler for construction quality detection according to claim 1, wherein a plurality of second distance measuring sensors (7013) on two sides of the sliding groove (7011) are arranged in a one-to-one staggered manner.
3. The high-precision crack detection ruler for construction engineering quality detection according to claim 2, wherein 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 in first guide grooves (7012) on the side surfaces of the positioning rods (701).
4. A high-precision crack detection ruler for construction engineering quality detection as claimed in any one of claims 1-3, wherein a battery box (101) is fixedly connected to the upper end position of the supporting rod (1), an electric connector (1011) is arranged on one side surface of the battery box (101), and the electric 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 construction engineering quality detection according to claim 4, wherein a control box (2) is arranged on the top surface of the supporting rod (1), a display screen (201) and control keys (202) are sequentially arranged on the top surface of the control box (2), and handles (203) are symmetrically arranged on two side surfaces of the control box (2);
the singlechip in control box (2) pass through the conducting wire respectively with display screen (201), control key (202), first electric putter (703), second electric putter (704), first range finding sensor (7051), range finding sensing group (7052), second range finding sensor (7013), first motor (301) and group battery electric connection.
6. The high-precision crack detection ruler for detecting the quality of the building engineering according to any one of claims 1, 2, 3 and 5, wherein a telescopic plate (4) is arranged between the supporting rod (1) and the bottom plate (5), a rectangular box (504) is sleeved on the outer side of the telescopic plate (4) in a sliding manner, 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 guide strips (5044) used for being 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 handrail (1) is fixedly connected with a limit sleeve (102), and a convex groove (1021) with an opening at the lower end on the limit sleeve (102) is used for clearance fit of the positioning disc (5032);
a second gear bar (401) is arranged on the top surface of the telescopic plate (4), and the second gear bar (401) is meshed with a gear column (5041) above;
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 inserting rod (603) and a second inserting rod (604), a 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 face of the first inserting rod (603) is fixedly connected with the bottom face 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 face of the first connecting block (6031) is formed in one side face of a second connecting block (6041) fixedly arranged on the top face of the second inserting rod (604);
a through hole (6034) is formed in the lower end position of the first inserted link (603), a blind hole (6036) is formed in the first inserted link (603) at the position above the middle of the through hole (6034), and a miniature camera (6035) is fixedly mounted on the inner top surface of the blind hole (6036);
the side wall of the second inserted link (604) is symmetrically provided with a groove (6045), a clamping bar (6043) is arranged in the groove (6045), a positioning column (6047) which is in sliding sleeve connection with the lower end of the clamping bar (6043) is fixedly connected to the inner wall of the groove (6045), first reset springs (6048) are respectively in sliding sleeve connection with the positioning columns (6047) on two sides of the clamping bar (6043), and two ends of the first reset springs (6048) are respectively fixedly connected to the clamping bar (6043) and the positioning column (6047);
the inner bottom surface of the groove (6045) at the inner side of the clamping strip (6043) is fixedly connected with a second electromagnetic plate (6046);
one end of a measuring rope (4033) wound on the roller (403) sequentially slides through the expansion plate (4), the connecting plate (602) and the through hole (6034) to be fixedly connected to the second inserted link (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 electrically connected with the single chip microcomputer through conducting wires.
7. The high-precision crack detection ruler for construction engineering quality detection according to 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) and is 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 transmission wire.
8. The high-precision crack detection ruler for construction engineering quality detection according to 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 with the single chip microcomputer through a conducting wire.
9. The high-precision crack detection ruler for construction quality detection according to claim 6, wherein the first inclined surfaces (6032) with the lower ends being close to each other are symmetrically arranged on the side wall of the lower end of the first inserted link (603), and the second inclined surfaces (6042) with the lower ends being close to each other are symmetrically arranged on the side wall of the lower end of the second inserted link (604);
the through hole (6034) is arranged at a position 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 construction engineering quality detection according to claim 6, wherein universal wheels (502) are fixedly installed at four corner positions 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 limiting disc (5013), and a second reset spring (5012) is sleeved on each guide rod (5011) located 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116045769B (en) * | 2023-03-06 | 2023-08-04 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Ground crack measuring system for coal mining subsidence area |
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