CN219840136U - Highway sampling detection device - Google Patents
Highway sampling detection device Download PDFInfo
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- CN219840136U CN219840136U CN202321039221.0U CN202321039221U CN219840136U CN 219840136 U CN219840136 U CN 219840136U CN 202321039221 U CN202321039221 U CN 202321039221U CN 219840136 U CN219840136 U CN 219840136U
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- core barrel
- horizontal
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- highway
- frame
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- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 238000005070 sampling Methods 0.000 title claims abstract description 27
- 239000000523 sample Substances 0.000 claims abstract description 51
- 238000005553 drilling Methods 0.000 claims abstract description 21
- 238000012360 testing method Methods 0.000 claims description 7
- 230000003028 elevating effect Effects 0.000 claims description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 5
- 238000005056 compaction Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model relates to a highway sampling detection device, which comprises a frame, a lifting mechanism, a drilling tool, a core barrel and a universal wheel set, wherein the frame comprises a horizontal table and a support column, and a guide hole corresponding to a drilling rod is arranged on the horizontal table, and the technical key point is that: the core barrel is internally provided with a horizontal floating plate, a spring is arranged between the horizontal floating plate and the top surface of the core barrel, the top surface of the core barrel is provided with a plurality of through holes, a waist-shaped hole corresponding to the through holes is arranged on a horizontal table, two hinge seats are symmetrically arranged at positions of the bottom surface of the horizontal table, corresponding to the front side and the rear side of the core barrel, a hollow column is hinged on the hinge seats, the lower end of the hollow column at the front side of the core barrel is fixedly provided with an ultrasonic transmitting probe, and the lower end of the hollow column at the rear side of the core barrel is fixedly provided with an ultrasonic receiving probe. The device solves the problem of single function of the existing sampling detection device, on one hand, compaction degree detection is carried out, on the other hand, detection of crack defects inside the concrete subgrade is achieved, detection means are perfected, and therefore the concrete subgrade is quickly repaired and reinforced.
Description
Technical Field
The utility model relates to a highway construction quality detection device, in particular to a highway sampling detection device which is suitable for detecting compactness of a highway concrete subgrade and internal defects thereof.
Background
The compactness is also called as compactness, is one of key indexes for detecting the construction quality of the roadbed, and represents the density condition after site compaction, the higher the compactness is, the higher the density is, the better the overall performance of the material is, the higher the roadbed strength and stability are, and the longer the service life of the highway is. Thus, compaction testing is required in stages during highway construction to ensure compliance with construction standards.
The existing road compactness detection device comprises a frame, a drilling tool arranged on the frame, a coring barrel connected with a drilling rod of the drilling tool, and a traveling wheel set arranged at the bottom of the frame, wherein when the device is used, the frame is pushed to move on a highway subgrade to be detected, when the device reaches a selected position, the drilling tool is started, the coring barrel descends and rotates simultaneously, samples are cut on the highway subgrade, and then the taken samples are detected. The road compactness detection device with the similar structure has the following problems in the use process: the function is single, can only accomplish the compactness detection of a plurality of predetermined positions when going on the highway section that awaits measuring and detecting, but can't detect in the lump to the inside crack defect of concrete roadbed, influences quick repair reinforcement.
Disclosure of Invention
The utility model aims to provide a road sampling detection device which is reasonable in structure and reliable in use, solves the problem of single function of the existing sampling detection device, and is used for detecting compactness on one hand, detecting crack defects in a concrete subgrade on the other hand, and perfecting detection means, so that the concrete subgrade is quickly repaired and reinforced.
The technical scheme of the utility model is as follows:
the utility model provides a highway sampling detection device, includes the frame, locates elevating system in the frame, the drilling tool of being connected with elevating system, the core section of thick bamboo of being connected with the drilling rod lower extreme of drilling tool, the universal wheelset of being connected with the frame, the frame includes the horizontal stand, locates the pillar in horizontal stand bottom four corners, be equipped with the guiding hole that corresponds the drilling rod on the horizontal stand, the drilling rod passes behind the guiding hole and is connected with the core section of thick bamboo, its technical essential is: the utility model discloses a core barrel, including core barrel, horizontal floating plate, core barrel top surface, the bench is equipped with the waist shape hole that corresponds with the through-hole, and the position symmetry of bench bottom surface corresponding core barrel front and back both sides is equipped with two articulated seats, articulated on the articulated seat have hollow post, core barrel front side's hollow post lower extreme is fixed with ultrasonic emission probe, core barrel rear side's hollow post lower extreme is fixed with ultrasonic receiving probe, be equipped with the ultrasonic instrument of being connected with ultrasonic emission probe and ultrasonic receiving probe on the bench, ultrasonic emission probe and ultrasonic receiving probe are respectively towards ground.
According to the highway sampling detection device, the energy-absorbing cover is sleeved at the lower part of the hollow column and consists of the hard sleeve ring fixedly connected with the outer wall of the hollow column and the telescopic cylinder connected to the lower surface of the hard sleeve ring. The energy-absorbing cover is used for absorbing external sound waves so as to eliminate the influence on the ultrasonic transmitting probe and the ultrasonic receiving probe.
The highway sampling detection device is characterized in that one hollow column is connected with a scale plate towards the side of the coring barrel so as to be used for detecting the height of a sample.
According to the highway sampling detection device, the pushing hands are fixed on the rear side of the horizontal table.
The highway sampling detection device, elevating system is including being fixed in Z to the module on the horizontal stand, locating Z to the slide rail of Z to the module both sides, the horizontal support board of being connected with Z to the module, horizontal support board edge is equipped with Z to slide rail complex slider, the motor of drilling tool is fixed in the horizontal support board.
The highway sampling detection device further comprises a longitudinal sample pushing piece, wherein the longitudinal sample pushing piece is composed of a semi-annular connecting plate and a plurality of longitudinal push rods arranged on the lower surface of the semi-annular connecting plate, the number of the longitudinal push rods is equal to that of the kidney-shaped holes, and the lower ends of the longitudinal push rods push the horizontal floating plates to move downwards through the kidney-shaped holes and the through holes on the top surface of the core barrel. Pushing the sample down.
The beneficial effects of the utility model are as follows:
on the one hand, the utility model can cut and sample through the core barrel, and observe the section and the height of the sample after sampling, thereby judging the compactness of the sample; on the other hand, an ultrasonic wave transmitting probe is adopted to transmit sound waves to the concrete roadbed to be detected, when a crack in the concrete occurs, the sound waves, the amplitude and the main frequency received by an ultrasonic wave receiving probe are changed, and whether the crack occurs in the concrete is judged by utilizing the characteristic parameters of the sound waves. Therefore, the problem of single function of the existing sampling detection device is solved, on one hand, compactness detection is carried out, on the other hand, detection of the crack defect inside the concrete subgrade is achieved, detection means are perfected, and therefore the concrete subgrade is quickly repaired and reinforced.
Drawings
FIG. 1 is a schematic diagram of the structure of the utility model prior to sampling;
FIG. 2 is a schematic diagram of the sampled structure of the present utility model;
FIG. 3 is a schematic view of the structure of the present utility model for height measurement after pushing out a sample;
FIG. 4 is a partial schematic view of the horizontal stage of the present utility model;
fig. 5 is a top view of a longitudinal pushing sample of the present utility model.
In the figure: 1.Z A rail, 2.Z A module, 3A horizontal support plate, 4A ultrasonic wave instrument, 5A horizontal platform, 6A hinging seat, 7A hollow column, 8A pillar, 9A universal wheel set, 10A energy absorbing cover, 11A ultrasonic wave transmitting probe, 12A scale plate, 13A drill rod, 14A core barrel, 15A ultrasonic wave receiving probe, 16A pushing hand, 17A motor, 18A kidney-shaped hole, 19A through hole, 20A horizontal floating plate, 21A spring, 22A sample, 23A semi-annular connecting plate, 24A longitudinal push rod and 25A guide hole.
Description of the embodiments
The utility model will be described in detail with reference to the drawings.
As shown in fig. 1 to 5, the highway sampling and detecting device comprises a frame, a lifting mechanism arranged on the frame, a drilling tool connected with the lifting mechanism, a core barrel 14 connected with the lower end of a drill rod 13 of the drilling tool, and a universal wheel set 9 connected with the frame. The frame comprises a horizontal table 5 and supporting columns 8 arranged at four corners of the bottom of the horizontal table 5, and the universal wheel set consists of four universal wheels fixed at the lower ends of the supporting columns 8. The horizontal table 5 is provided with a guide hole 25 corresponding to the drill rod 13, and the drill rod 13 passes through the guide hole 25 and is connected with the core barrel 14.
Wherein: a horizontal floating plate 20 is arranged in the core barrel 14, and a spring 21 is arranged between the horizontal floating plate 20 and the top surface of the core barrel 14. The top surface of the core barrel 14 is provided with 2 through holes 19, and the horizontal table 5 is provided with waist-shaped holes 18 corresponding to the through holes 19. The highway sampling and detecting device further comprises a longitudinal sample pushing piece, wherein the longitudinal sample pushing piece consists of a semi-annular connecting plate 23 and 2 longitudinal push rods 24 arranged on the lower surface of the semi-annular connecting plate 23. The number of the longitudinal pushing rods 24 is equal to that of the kidney-shaped holes 18, and the lower ends of the longitudinal pushing rods 24 push the horizontal floating plate 20 to move downwards through the kidney-shaped holes 18 and the through holes 19 on the top surface of the core barrel 14, so that the sample 22 is pushed to move downwards.
Two hinging seats 6 are symmetrically arranged on the bottom surface of the horizontal table 5 corresponding to the positions of the front side and the rear side of the core barrel 14, and hollow columns 7 are hinged on the hinging seats 6. The lower end of the hollow column 7 at the front side of the core barrel 14 is fixedly provided with an ultrasonic transmitting probe 11, the lower end of the hollow column 7 at the rear side of the core barrel 14 is fixedly provided with an ultrasonic receiving probe 15, the horizontal table 5 is provided with an ultrasonic instrument 4 connected with the ultrasonic transmitting probe 11 and the ultrasonic receiving probe 15, and the ultrasonic transmitting probe 11 and the ultrasonic receiving probe 15 face the ground respectively. The lower part of the hollow column 7 is sleeved with an energy-absorbing cover 10, and the energy-absorbing cover 10 consists of a hard sleeve ring fixedly connected with the outer wall of the hollow column 7 and a telescopic cylinder connected to the lower surface of the hard sleeve ring. The energy absorbing cover 10 may be made of sponge or rubber for absorbing external sound waves to eliminate the influence on the ultrasonic transmitting probe 11 and the ultrasonic receiving probe 15. A scale plate 12 is connected to one of the hollow columns 7 on the side facing the core barrel 14 for detecting the height of the sample 22.
The lifting mechanism comprises a Z-direction module 2 fixed on a horizontal table 5, Z-direction sliding rails 1 arranged on two sides of the Z-direction module 2, and a horizontal supporting plate 3 connected with the Z-direction module 2, wherein the edge of the horizontal supporting plate 3 is provided with a sliding block matched with the Z-direction sliding rails 1, and a motor 17 of the drilling tool is fixed on the horizontal supporting plate 3. A pushing handle 16 is fixed on the rear side of the horizontal table 5.
Working principle:
1. firstly, pushing a rack to slowly move on a test road to be detected through a pushing handle 16 and a universal wheel set 9, in the process, an ultrasonic wave instrument 4 drives an ultrasonic wave transmitting probe 11 to transmit sound waves to a concrete roadbed to be detected, and when the sound received by an ultrasonic wave receiving probe 15, the amplitude and the main frequency exceed corresponding range values, the fact that cracks exist in the concrete roadbed between the ultrasonic wave transmitting probe 11 and the ultrasonic wave receiving probe 15, potential safety hazards exist, and workers are required to repair and strengthen the concrete roadbed is described.
2. When ultrasonic detection is not needed, the hollow column 7 is rotated by the hinged seat 6 to be far away from the ground so as to be protected.
3. When the core barrel 14 is adopted for sampling, the motor 17 is started to drive the drill rod 13 to rotate, so that the core barrel 14 is driven to rotate, and meanwhile, the Z-direction module 2 drives the horizontal support plate 3 to move downwards, and the core barrel 14 is used for cutting and sampling. After sampling, the Z-direction module 2 drives the horizontal support plate 3 to ascend, then the longitudinal push rod 24 of the longitudinal sample pushing piece is used for pushing the horizontal floating plate 20 to move downwards, the sample 22 is pushed to move downwards to be separated from the core barrel 14, the height of the sample is measured by the scale plate 12, the section of the sample 22 is observed, and the compactness is comprehensively judged by comparing with standard data, so that the detection purpose is achieved.
The foregoing describes the embodiments of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to fall within the scope of the present utility model.
Claims (6)
1. The utility model provides a highway sampling detection device, includes the frame, locates elevating system in the frame, the drilling tool of being connected with elevating system, the core section of thick bamboo of being connected with the drilling rod lower extreme of drilling tool, the universal wheelset of being connected with the frame, the frame includes the horizontal stand, locates the pillar in horizontal stand bottom four corners, be equipped with the guiding hole that corresponds the drilling rod on the horizontal stand, the drilling rod passes behind the guiding hole and is connected with the core section of thick bamboo, its characterized in that: the utility model discloses a core barrel, including core barrel, horizontal floating plate, core barrel top surface, the bench is equipped with the waist shape hole that corresponds with the through-hole, and the position symmetry of bench bottom surface corresponding core barrel front and back both sides is equipped with two articulated seats, articulated on the articulated seat have hollow post, core barrel front side's hollow post lower extreme is fixed with ultrasonic emission probe, core barrel rear side's hollow post lower extreme is fixed with ultrasonic receiving probe, be equipped with the ultrasonic instrument of being connected with ultrasonic emission probe and ultrasonic receiving probe on the bench, ultrasonic emission probe and ultrasonic receiving probe are respectively towards ground.
2. The highway sampling test device of claim 1, wherein: the lower part of the hollow column is sleeved with an energy-absorbing cover, and the energy-absorbing cover consists of a hard collar fixedly connected with the outer wall of the hollow column and a telescopic cylinder connected to the lower surface of the hard collar.
3. The highway sampling test device of claim 1, wherein: one of the hollow columns is connected with a scale plate towards the side of the core barrel.
4. The highway sampling test device of claim 1, wherein: a pushing handle is fixed at the rear side of the horizontal table.
5. The highway sampling test device of claim 1, wherein: the lifting mechanism comprises a Z-direction module fixed on a horizontal table, Z-direction sliding rails arranged on two sides of the Z-direction module, and a horizontal supporting plate connected with the Z-direction module, wherein the edge of the horizontal supporting plate is provided with a sliding block matched with the Z-direction sliding rails, and a motor of the drilling tool is fixed on the horizontal supporting plate.
6. The highway sampling test device of claim 1, wherein: the vertical pushing sample piece is composed of a semi-annular connecting plate and a plurality of vertical pushing rods arranged on the lower surface of the semi-annular connecting plate, the number of the vertical pushing rods is equal to that of the kidney-shaped holes, and the lower ends of the vertical pushing rods push the horizontal floating plates to move downwards through the kidney-shaped holes and through holes on the top surface of the coring barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321039221.0U CN219840136U (en) | 2023-05-05 | 2023-05-05 | Highway sampling detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321039221.0U CN219840136U (en) | 2023-05-05 | 2023-05-05 | Highway sampling detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219840136U true CN219840136U (en) | 2023-10-17 |
Family
ID=88303584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321039221.0U Active CN219840136U (en) | 2023-05-05 | 2023-05-05 | Highway sampling detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219840136U (en) |
-
2023
- 2023-05-05 CN CN202321039221.0U patent/CN219840136U/en active Active
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