CN112730616B - Cement pavement internal crack detection device - Google Patents
Cement pavement internal crack detection device Download PDFInfo
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- CN112730616B CN112730616B CN202011547845.4A CN202011547845A CN112730616B CN 112730616 B CN112730616 B CN 112730616B CN 202011547845 A CN202011547845 A CN 202011547845A CN 112730616 B CN112730616 B CN 112730616B
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- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 239000004568 cement Substances 0.000 title claims abstract description 22
- 238000004804 winding Methods 0.000 claims abstract description 42
- 230000001681 protective effect Effects 0.000 claims abstract description 34
- 210000001503 joint Anatomy 0.000 claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 31
- 230000000694 effects Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 1
- 230000003044 adaptive effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000003032 molecular docking Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/223—Supports, positioning or alignment in fixed situation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/225—Supports, positioning or alignment in moving situation
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a cement pavement internal crack detection device which comprises a detection trolley, an ultrasonic detector and a protection structure, wherein the protection structure comprises a protection cover, a mounting bin, a first mounting hole, a first fixing hole, a first ball screw, a second ball screw, a first support frame and a second support frame. The invention relates to a cement pavement internal crack detection device, which belongs to the field of road crack detection equipment, and comprises a protective cover and a ball screw, wherein the protective cover is convenient for the installation of an ultrasonic detector, and the ball screw can realize the sliding of a bottom cover arranged in a sliding connection structure; the I-shaped connecting frame and the driven ball arranged in the sliding connecting structure can realize the connection of the bottom cover and the ball screw rod, so that the bottom cover can slide along the butt joint groove conveniently, and the ultrasonic detector arranged at the upper end of the bottom cover is leaked; the T-shaped frame, the rubber sleeve, the winding reel and the driving motor which are arranged in the winding structure can realize winding and arrangement of the wires of the ultrasonic detector at the upper end of the bottom cover.
Description
Technical Field
The invention relates to the field of road gap detection equipment, in particular to a device for detecting cracks in a cement pavement.
Background
The ultrasonic transmitter transmits ultrasonic waves to a certain direction, the ultrasonic waves start to time at the same time of transmitting time, the ultrasonic waves propagate in the air, the ultrasonic waves immediately return when encountering obstacles during the way, the ultrasonic wave receiver immediately stops timing when receiving reflected waves, and in the ground construction process, splicing or local construction is generally adopted, so that regular gaps can appear after the modularized construction, the gaps need to be filled, and the pavement crack detection device is technically improved along with the rapid development of science and technology; in the process of using the road gap detection equipment, the detection area of the ultrasonic detector is small because the road width is smaller than the detection width of the vehicle, and the using effect is poor.
Disclosure of Invention
The invention mainly aims to provide a cement pavement internal crack detection device which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a cement road surface internal crack detection device, includes detection dolly and ultrasonic detector, still includes protective structure, protective structure includes protection casing, installation storehouse, first mounting hole, first fixed orifices, first ball screw, second ball screw, first support frame and second support frame, and the upper end of protection casing has seted up the installation storehouse, first mounting hole has been seted up to the storehouse bottom of installation storehouse, and the storehouse wall of installation storehouse has seted up first fixed orifices, the installation storehouse has seted up first mounting hole department and has installed ultrasonic detector, the storehouse mouth of installation storehouse is provided with first ball screw and second ball screw, and the one end of first ball screw is connected with first support frame, the other end of first ball screw is connected with the second support frame, and the upper end of first ball screw and second ball screw is connected with sliding connection structure, sliding connection structure includes docking groove, I-shaped link, recessed groove, jack, cylinder, embedded groove, driven ball, connecting strip, bottom, second mounting hole and cover, and seal cap's upper end has been seted up first fixed orifices, the docking groove has been seted up to the upper end of docking groove, the recess has been seted up in the recess groove, and the blind flange has been seted up on the side wall of the blind flange, the blind flange has been seted up on the blind flange, the blind flange has been set up at the blind flange, the blind flange has been set up the recess groove, and the blind flange has been set up on the blind flange, the blind flange has the blind flange, and the blind flange has the blind flange, the side wall of the protection structure is provided with an L-shaped fixing strip and a winding structure, and the protection structure is connected with the detection trolley through the L-shaped fixing strip and the winding structure.
Preferably, the winding structure comprises a T-shaped frame, a second fixing hole, a third fixing hole, a through hole, a rubber sleeve, a winding reel, a connecting disc and a driving motor, wherein the second fixing hole is formed in the side wall of the T-shaped frame, the third fixing hole is formed in the upper end of the T-shaped frame, the through hole is formed in a protruding block of the side wall of the T-shaped frame, the rubber sleeve is arranged at the position of the through hole formed in the T-shaped frame, the winding reel is arranged at the lower end of the T-shaped frame, the connecting disc is connected with the lower end of the winding reel, and the inserting rod at the upper end of the connecting disc penetrates through the winding reel and the T-shaped frame to be connected with the driving motor.
Preferably, the four corners of the upper end of the protective cover are provided with threaded holes which are aligned with the four corners of the upper end of the sealing cover, the first ball screw and the second ball screw have the same structure, and the first ball screw is arranged in an adaptive manner with the first support frame and the second support frame.
Preferably, the first support frame and the second support frame are fixedly connected with the sealing cover through bolts, the first support frame and the second support frame are fixedly connected with the contact end of the protective cover, and the protective cover is fixedly connected with the ultrasonic detector.
Preferably, two butt joint grooves are formed in the upper end of the sealing cover, strip-shaped grooves are formed in the groove walls of the butt joint grooves, the butt joint grooves are communicated with the embedded grooves formed in the side walls of the sealing cover, the I-shaped connecting frame is arranged in an adaptive mode with the butt joint grooves, and the driven balls are arranged in an adaptive mode with the butt joint grooves and the embedded grooves.
Preferably, the lower end block body and the upper end block body of the I-shaped connecting frame are arranged separately, the jack is formed in the lower end of the I-shaped connecting frame and is inserted into the fixed shaft, the fixed shaft connected with the I-shaped connecting frame penetrates through the jack, the roller is inserted into the groove wall of the upper end of the concave groove and is provided with a hole, the I-shaped connecting frame is fixedly connected with the fixed shaft, the roller is movably arranged with the fixed shaft, the lower end of the I-shaped connecting frame is provided with a threaded hole which is aligned with the threaded hole formed in the upper end of the first ball screw moving part, and the upper end of the I-shaped connecting frame is provided with a threaded hole which is aligned with the threaded hole formed in the lower end of the bottom cover.
Preferably, the driven ball comprises branch and two balls, and branch and two ball fixed connection, driven ball and connecting strip activity set up, the screw hole is seted up to connecting strip upper end welding piece terminal surface and the screw hole is seted up to the bottom lower extreme and is aligned, driven ball slides along butt joint inslot bar groove.
Preferably, the second fixing hole is formed in the side wall of the T-shaped frame and aligned with the first fixing hole formed in the side wall of the protective cover, the third fixing hole formed in the T-shaped frame is aligned with the threaded hole at the installation position of the detection trolley, and the L-shaped fixing strip is fixed with the protective cover through bolts.
Preferably, the through hole adaptation that rubber sleeve and T type frame were seted up sets up, and the trepanning that the rubber sleeve was seted up just sets up to the bobbin outlet, square hole is seted up to the centre department of T type frame, and T type frame open establish square downthehole embedding into the rubber sleeve, T type frame and rubber sleeve bonding connection, driving motor and connection pad inserted bar end threaded connection, and connection pad and bobbin fixed connection.
Preferably, the ultrasonic detector extending wires in the sealing cover penetrate through the rubber sleeve and are wound on the winding reel.
Compared with the prior art, the invention has the following beneficial effects: this inside crack detection device of cement road surface:
1. the protective cover and the ball screw are arranged on the protective structure, the protective cover is convenient for the installation of the ultrasonic detector, and the ball screw can realize the sliding of the bottom cover arranged on the sliding connection structure;
2. the I-shaped connecting frame and the driven ball arranged in the sliding connecting structure can realize the connection of the bottom cover and the ball screw rod, so that the bottom cover can slide along the butt joint groove conveniently, and the ultrasonic detector arranged at the upper end of the bottom cover is leaked;
3. the T-shaped frame, the rubber sleeve, the winding reel and the driving motor are arranged in the winding structure, so that the winding and arrangement of the ultrasonic detector wires at the upper end of the bottom cover can be realized, and the winding and knotting of the ultrasonic detector wires at the upper end of the bottom cover are avoided;
4. the sliding connection can be extended to increase the detection area.
The whole cement pavement internal crack detection device is simple in structure, convenient to operate and better in use effect compared with the traditional mode.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a crack detection device in a cement pavement;
FIG. 2 is an exploded view of the whole structure of a crack detection device in a cement pavement according to the present invention;
FIG. 3 is a schematic sectional view of a protection structure of a crack detection device in a cement pavement according to the present invention;
FIG. 4 is an exploded view showing a sliding connection structure of a crack detection device in a cement pavement according to the present invention;
FIG. 5 is an enlarged schematic view of the crack detection device in the interior of the cement pavement at A in FIG. 4;
FIG. 6 is an enlarged schematic view of the crack detection device in the interior of the cement pavement at the position B in FIG. 4;
fig. 7 is an exploded view of a winding structure of a crack detection device in a cement pavement according to the present invention.
In the figure: 1. a protective structure; 101. a protective cover; 102. a mounting bin; 103. a first mounting hole; 104. a first fixing hole; 105. a first ball screw; 106. a second ball screw; 107. a first support frame; 108. a second support frame; 2. a sliding connection structure; 201. a cover; 202. a butt joint groove; 203. i-shaped connecting frames; 204. a concave groove; 205. a jack; 206. a roller; 207. an embedding groove; 208. a driven ball; 209. a connecting strip; 210. a bottom cover; 211. a second mounting hole; 212. a sealing cover; 3. a winding structure; 301. a T-shaped frame; 302. a second fixing hole; 303. a third fixing hole; 304. a through hole; 305. a rubber sleeve; 306. a bobbin; 307. a connecting disc; 308. a driving motor; 4. l-shaped fixing strip.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-7, the device for detecting the cracks in the cement pavement comprises a detection trolley and an ultrasonic detector, and further comprises a protection structure 1, wherein the protection structure 1 comprises a protection cover 101, a mounting bin 102, a first mounting hole 103, a first fixing hole 104, a first ball screw 105, a second ball screw 106, a first supporting frame 107 and a second supporting frame 108, the upper end of the protection cover 101 is provided with the mounting bin 102, the bottom of the mounting bin 102 is provided with the first mounting hole 103, the bin wall of the mounting bin 102 is provided with the first fixing hole 104, the ultrasonic detector is mounted at the position where the mounting bin 102 is provided with the first mounting hole 103, the bin opening of the mounting bin 102 is provided with the first ball screw 105 and the second ball screw 106, one end of the first ball screw 105 is connected with the first supporting frame 107, the other end of the first ball screw 105 is connected with the second supporting frame 108, and the upper ends of the first ball screw 105 and the second ball screw 106 are connected with a sliding connection structure 2, the sliding connection structure 2 comprises a sealing cover 201, a butt joint groove 202, an I-shaped connecting frame 203, a concave groove 204, an inserting hole 205, a roller 206, an embedded groove 207, a driven ball 208, a connecting strip 209, a bottom cover 210, a second mounting hole 211 and a sealing cover 212, the butt joint groove 202 is arranged at the upper end of the sealing cover 201, the I-shaped connecting frame 203 is arranged in the butt joint groove 202, the concave groove 204 is arranged on the side wall of the I-shaped connecting frame 203, the inserting hole 205 is arranged at the bottom of the concave groove 204, the roller 206 is connected at the position of the inserting hole 205, the embedded groove 207 is arranged on the side wall of the sealing cover 201, the driven ball 208 is inserted into the embedded groove 207, the supporting rod of the driven ball 208 is connected with the connecting strip 209 and the upper end of the I-shaped connecting frame 203 is connected with the bottom cover 210, the second mounting hole 211 is arranged at the upper end of the bottom cover 210, and the upper end of the bottom cover 210 is provided with a sealing cover 212, the upper end of the bottom cover 210 is provided with a second mounting hole 211 for mounting an ultrasonic detector, the side wall of the protective structure 1 is provided with an L-shaped fixing strip 4 and a winding structure 3, and the protective structure 1 is connected with a detection trolley through the L-shaped fixing strip 4 and the winding structure 3.
The winding structure 3 includes a T-shaped frame 301, a second fixing hole 302, a third fixing hole 303, a through hole 304, a rubber sleeve 305, a winding barrel 306, a connecting disc 307 and a driving motor 308, wherein the second fixing hole 302 is formed in the side wall of the T-shaped frame 301, the third fixing hole 303 is formed in the upper end of the T-shaped frame 301, the through hole 304 is formed in the side wall bump of the T-shaped frame 301, the rubber sleeve 305 is arranged at the position where the through hole 304 is formed in the T-shaped frame 301, the winding barrel 306 is arranged at the lower end of the T-shaped frame 301, the connecting disc 307 is connected to the lower end of the winding barrel 306, and an inserting rod at the upper end of the connecting disc 307 penetrates through the winding barrel 306 and the T-shaped frame 301 to be connected with the driving motor 308.
The four corners of the upper end of the protective cover 101 are provided with threaded holes aligned with the four corners of the upper end of the sealing cover 201, the first ball screw 105 and the second ball screw 106 have the same structure, and the first ball screw 105 is adapted to the first supporting frame 107 and the second supporting frame 108.
The first supporting frame 107 and the second supporting frame 108 are fixedly connected with the sealing cover 201 through bolts, the first supporting frame 107 and the second supporting frame 108 are fixedly connected with the contact end of the protective cover 101, and the protective cover 101 is fixedly connected with the ultrasonic detector.
Wherein, two butt joint grooves 202 are arranged at the upper end of the sealing cover 201, and strip grooves are arranged at the groove walls of the butt joint grooves 202, the butt joint grooves 202 are communicated with embedded grooves 207 arranged on the side walls of the sealing cover 201, the I-shaped connecting frame 203 is arranged in a matched mode with the butt joint grooves 202, and driven balls 208 are arranged in a matched mode with the butt joint grooves 202 and the embedded grooves 207. Wherein, the lower end block body and the upper end block body of I shape link 203 separate the setting, and the jack 205 is seted up to I shape link 203 lower extreme and is inserted into the fixed axle, the fixed axle that I shape link 203 connects runs through jack 205, cylinder 206 inserts into the recess 204 upper end cell wall and sets up the hole, I shape link 203 and fixed axle fixed connection, and cylinder 206 and fixed axle activity set up, the screw hole is set up to the lower extreme of I shape link 203 and the screw hole is set up to the upper end of first ball screw 105 moving part is aligned, and the screw hole is set up to the upper end of I shape link 203 and the screw hole is set up to the lower extreme of bottom 210 is aligned.
The driven ball 208 consists of a supporting rod and two balls, the supporting rod is fixedly connected with the two balls, the driven ball 208 and the connecting strip 209 are movably arranged, a threaded hole is formed in the end face of a welding piece at the upper end of the connecting strip 209 and a threaded hole is formed in the lower end of the bottom cover 210 to be aligned, and the driven ball 208 slides along a strip-shaped groove in the butt joint groove 202.
The second fixing hole 302 is formed in the side wall of the T-shaped frame 301 and aligned with the first fixing hole 104 formed in the side wall of the protective cover 101, the third fixing hole 303 formed in the T-shaped frame 301 is aligned with a threaded hole at the installation position of the detection trolley, and the L-shaped fixing strip 4 is fixed with the protective cover 101 through bolts.
Wherein, the rubber sleeve 305 is arranged in a matching way with the through hole 304 arranged on the T-shaped frame 301, the sleeve hole arranged on the rubber sleeve 305 is arranged opposite to the outlet of the winding tube 306, the square hole is arranged in the middle of the T-shaped frame 301, the T-shaped frame 301 is embedded into the rubber sleeve 305 in the square hole, the T-shaped frame 301 is connected with the rubber sleeve 305 in an adhesive way, the driving motor 308 is connected with the end of the inserting rod of the connecting disc 307 in a threaded way, and the connecting disc 307 is fixedly connected with the winding tube 306.
Wherein the ultrasonic detector extending wires in the sealing cover 212 penetrate through the rubber sleeve 305 and are wound on the winding drum 306; the protective cover 101 and the ball screw are arranged on the protective structure 1, the protective cover 101 is convenient for the installation of the ultrasonic detector, and the ball screw can realize the sliding of the bottom cover 210 arranged on the sliding connection structure 2; the I-shaped connecting frame 203 and the driven ball 208 of the sliding connecting structure 2 can realize the connection of the bottom cover 210 and the ball screw rod, so that the bottom cover 210 can slide along the butt joint groove 202 conveniently, and the ultrasonic detector arranged at the upper end of the bottom cover 210 can be leaked; the T-shaped frame 301, the rubber sleeve 305, the winding reel 306 and the driving motor 308 which are arranged in the winding structure 3 can realize winding and arrangement of the ultrasonic detector wires at the upper end of the bottom cover 210, and prevent the ultrasonic detector wires at the upper end of the bottom cover 210 from winding and knotting.
It should be noted that, in the present invention, when the protective structure 1, the L-shaped fixing bar 4, the sliding connection structure 2 and the winding structure 3 are assembled, the first ball screw 105 and the second ball screw 106 provided by the protective structure 1 have the same structure, the first support frame 107 fixes one end of the first ball screw 105, the second support frame 108 is installed at the other end of the first ball screw 105, the upper ends of the first support frame 107 and the second support frame 108 contact the sealing cover 201, the first support frame 107, the second support frame 108 and the sealing cover 201 are connected, the sliding connection structure 2 is assembled first, the ultrasonic detector is placed at the upper end of the bottom cover 210 provided by the sliding connection structure 2, the ultrasonic detector is placed in the second installation hole 211 provided by the bottom cover 210, the bottom cover 210 and the ultrasonic detector are fixed, the sealing cover 212 covers the upper end of the bottom cover 210, the sealing cover 212 is fixedly connected with the bottom cover 210 through bolts, the contact ends of the sealing cover 212 and the bottom cover 210 are in sealed arrangement, the roller 206 is embedded into a concave groove 204 formed in the side wall of the I-shaped connecting frame 203, a hole formed in the lower end of the roller 206 is aligned with a jack 205 formed in the bottom of the concave groove 204, a fixed shaft is inserted into the jack 205 formed in the lower end of the I-shaped connecting frame 203, the fixed shaft penetrates through the jack 205, the roller 206 is inserted into a hole formed in the wall of the upper end of the concave groove 204, the fixed shaft is fixedly connected with the I-shaped connecting frame 203, thereby realizing the assembly of the roller 206 and the I-shaped connecting frame 203, stirring the roller 206, the roller 206 can rotate in the concave groove 204, the I-shaped connecting frame 203 is integrally embedded into a butt joint groove 202 formed in the sealing cover 201, the outer wall of the roller 206 contacts the wall of the butt joint groove 202, a hole formed in the lower end surface of the connecting bar 209 is aligned with a support rod of the driven ball 208, the connecting bar 209 is movably connected with the driven ball 208, then the other side ball of the driven ball 208 is fixedly installed, the connecting strip 209 and the driven ball 208 are aligned with the embedded groove 207 formed on the side wall of the sealing cover 201, the driven ball 208 slides into the butt joint groove 202 along the embedded groove 207, the driven ball 208 can slide in the strip-shaped groove formed on the wall of the butt joint groove 202, thus the assembly of the sealing cover 201, the I-shaped connecting frame 203 and the driven ball 208 is completed, the moving piece of the first ball screw 105 contacts with the lower end of the I-shaped connecting frame 203, the threaded hole formed on the moving piece of the first ball screw 105 is aligned with the threaded hole formed on the lower end of the I-shaped connecting frame 203, the threaded hole formed on the lower end of the moving piece of the first ball screw 105 is aligned with a bolt for insertion, the bolt penetrates through the threaded hole formed on the lower end of the moving piece of the first ball screw 105 and is inserted into the threaded hole formed on the lower end of the I-shaped connecting frame 203, thus the connection of the first ball screw 105 and one of the I-shaped connecting frames 203 of the sealing cover 201 is completed, the connecting strip 209 connected with the driven ball 208 is stirred, the upper end of the connecting strip 209 is connected with the lower end of the bottom cover 210, the welding joint piece is welded at the upper end of the connecting strip 209, the threaded hole formed in the end face of the welding joint piece is aligned with the threaded hole formed in the lower end of the bottom cover 210, the bolt is inserted into the threaded hole formed in the lower end of the bottom cover 210 by inserting the bolt into the threaded hole formed in the lower end of the connecting strip 209, thereby completing the fixation between the connecting strip 209 and the bottom cover 210, then the connection between the second ball screw 106 and the other I-shaped connecting frame 203 of the sealing cover 201 is carried out, the other driven ball 208 is connected with the other bottom cover 210, thereby completing the assembly of the sliding connecting structure 2, the support frame and the sealing cover 201 are fixed by bolts, the ultrasonic detector is installed at the position of the first installation hole 103 formed in the bottom of the installation bin 102, the sealing cover 201 is covered at the position of the bin opening of the installation bin 102, the sealing cover 201 and the protective cover 101 are fixedly connected through bolts, the rubber sleeve 305 arranged on the winding structure 3 is embedded into the hole of the through hole 304 formed in the T-shaped frame 301, the rubber sleeve 305 is in adhesive connection with the contact end of the T-shaped frame 301, the inserted rod at the upper end of the connecting disc 307 is aligned with the hole formed in the lower end of the winding drum 306 and inserted, the inserted rod at the upper end of the connecting disc 307 penetrates through the winding drum 306 and then is continuously inserted into the hole formed in the upper end of the T-shaped frame 301, the inserted rod at the upper end of the connecting disc 307 penetrates through the hole formed in the T-shaped frame 301 and then is connected with the driving motor 308 through the bolts, the threaded hole formed in the contact end of the connecting disc 307 and the winding drum 306 is aligned with the threaded hole formed in the connecting disc 307 through the bolts, the T-shaped frame 301 contacts the side wall of the protective cover 101, the second fixing hole 302 formed in the T-shaped frame 301 is aligned with the first fixing hole 104 through the bolts, the L-shaped fixing strip 4 is fixedly connected with the protective cover 101 through the same mounting mode, the third fixing hole 303 formed in the upper end of the T-shaped frame 301 is aligned with the mounting position of the detecting trolley, the detecting trolley 301 and the detecting trolley is inserted with the bolts through the holes, the T-shaped frame 301 and the detecting trolley is connected with the ultrasonic wave detector and the detector 101 and the detector in the ultrasonic wave detector and the protective cover 101 are connected with the ultrasonic detector and the detector in the protective cover 101.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a cement road surface inside crack detection device, includes detection dolly and ultrasonic detector, its characterized in that: still include guard structure (1), guard structure (1) includes protection casing (101), installation storehouse (102), first mounting hole (103), first fixed orifices (104), first ball screw (105), second ball screw (106), first support frame (107) and second support frame (108), and installation storehouse (102) have been seted up to the upper end of protection casing (101), first mounting hole (103) have been seted up at the bottom of the storehouse of installation storehouse (102), and first fixed orifices (104) have been seted up to the storehouse wall of installation storehouse (102), first mounting hole (103) department has been seted up to installation storehouse (102), the storehouse mouth of installation storehouse (102) is provided with first ball screw (105) and second ball screw (106), and the one end of first ball screw (105) is connected with first support frame (107), the other end of first ball screw (105) is connected with second support frame (108), and the upper end of first ball screw (105) and second ball screw (106) is connected with sliding connection structure (2), sliding connection structure (202), sliding connection structure (204), rolling connection groove (203), seal groove (204), seal groove (203) are connected, seal groove (207) Driven ball (208), connecting strip (209), bottom (210), second mounting hole (211) and sealed cowling (212), and butt joint groove (202) have been seted up to the upper end of closing cap (201), butt joint groove (202) inslot is provided with I shape link (203), and sunken groove (204) have been seted up to the lateral wall of I shape link (203), jack (205) have been seted up at the tank bottom of sunken groove (204), and jack (205) are seted up to sunken groove (204) department and are connected with cylinder (206), embedded groove (207) have been seted up to the lateral wall of closing cap (201), and embedded groove (207) inslot insert driven ball (208), the branch of driven ball (208) is connected with connecting strip (209), and the upper end of connecting strip (209) and I shape link (203) is connected with bottom (210), the upper end of bottom (210) has been seted up second mounting hole (211), and the upper end of bottom (210) is provided with sealed cowling (212), second mounting hole (211) are seted up to the upper end of bottom (210) and are connected with cylinder (206), and the fixed structure is fixed with side wall (3) of wire winding structure (3), and fixed structure (3) are connected with each other, the winding structure (3) comprises a T-shaped frame (301), a second fixing hole (302), a third fixing hole (303), a through hole (304), a rubber sleeve (305), a winding reel (306), a connecting disc (307) and a driving motor (308), wherein the second fixing hole (302) is formed in the side wall of the T-shaped frame (301), the third fixing hole (303) is formed in the upper end of the T-shaped frame (301), the through hole (304) is formed in the side wall bump of the T-shaped frame (301), a rubber sleeve (305) is arranged at the position where the through hole (304) is formed in the T-shaped frame (301), a connecting disc (307) is arranged at the lower end of the T-shaped frame (301), a connecting rod (307) is connected with the connecting disc (306) and the T-shaped frame (301), threaded holes formed in the upper end of the protective cover (101) are aligned with threaded holes formed in the four corners of the upper end of the sealing cover (201), the first ball screw (105) and the second ball screw (108) are connected with the first supporting frame (108) through the first supporting frame (108) and the second supporting frame (107), and first support frame (107) and second support frame (108) and protection casing (101) contact end fixed connection, protection casing (101) and ultrasonic detector fixed connection, two butt joint groove (202) are seted up to the upper end of closing cap (201), and the slot wall of butt joint groove (202) has been seted up the bar groove, embedded groove (207) are seted up to butt joint groove (202) and closing cap (201) lateral wall and are communicated with each other, I shape link (203) and butt joint groove (202) adaptation setting, driven ball (208) and butt joint groove (202), embedded groove (207) adaptation setting, the lower extreme block and the upper end block body of I shape link (203) set up separately, and jack (205) are seted up to I shape link (203) lower extreme and are inserted into the fixed axle, fixed axle that I shape link (203) are connected runs through jack (205), cylinder (206) are inserted into recess groove (204) upper end slot wall and are seted up the hole, I shape link (203) and fixed connection, and cylinder (206) set up with the fixed axle adaptation setting, the lower extreme block of I shape link (203) and upper end block body of connecting end block body are connected with screw hole (203) are seted up, and the screw hole is seted up to the upper end of a thread hole (203) and the lower end of moving on the I shape link (203).
2. The cement pavement internal crack detection device according to claim 1, wherein: driven ball (208) comprises branch and two balls, and branch and two ball fixed connection, driven ball (208) and connecting strip (209) activity set up, threaded hole is seted up to connecting strip (209) upper end welding piece terminal surface and threaded hole is seted up to bottom (210) lower extreme and is aligned, driven ball (208) are along butt joint inslot bar groove slip of groove (202).
3. The cement pavement internal crack detection device according to claim 2, wherein: the side wall of the T-shaped frame (301) is provided with a second fixing hole (302) which is aligned with the first fixing hole (104) arranged on the side wall of the protective cover (101), the third fixing hole (303) arranged on the T-shaped frame (301) is aligned with a threaded hole at the installation position of the detection trolley, and the L-shaped fixing strip (4) is fixed with the protective cover (101) through bolts.
4. A cement pavement internal crack detection device as claimed in claim 3, wherein: the rubber sleeve (305) is arranged in a matched mode with a through hole (304) formed in the T-shaped frame (301), a sleeve hole formed in the rubber sleeve (305) is opposite to a wire outlet of the winding drum (306), a square hole is formed in the middle of the T-shaped frame (301), the T-shaped frame (301) is provided with the rubber sleeve (305) embedded in the square hole, the T-shaped frame (301) is connected with the rubber sleeve (305) in an adhesive mode, the driving motor (308) is in threaded connection with the end of the inserting rod of the connecting disc (307), and the connecting disc (307) is fixedly connected with the winding drum (306).
5. The cement pavement internal crack detection device according to claim 4, wherein: the ultrasonic detector extending wires in the sealing cover (212) penetrate through the rubber sleeve (305) and are wound on the winding reel (306).
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