CN214620960U - Device for rapidly and nondestructively detecting compacted thickness of pavement structure layer - Google Patents
Device for rapidly and nondestructively detecting compacted thickness of pavement structure layer Download PDFInfo
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- CN214620960U CN214620960U CN202120834736.4U CN202120834736U CN214620960U CN 214620960 U CN214620960 U CN 214620960U CN 202120834736 U CN202120834736 U CN 202120834736U CN 214620960 U CN214620960 U CN 214620960U
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Abstract
The utility model discloses a device of quick nondestructive test road surface structural layer compaction thickness, including fixed bolster, locating lever, tape measure, scale, locating lever detachably fixes in the fixed bolster top, the bottom of fixed bolster is equipped with a plurality of stabilizer blades, be equipped with the draw-in groove on two and locating levers of fixed bolster and locating lever are equal, the height-wise of this draw-in groove, the both ends of tape measure are fixed on the draw-in groove, the scale cover is equipped with the detachable fastener, but this fastener is established the vertical card of scale on the tape measure and the horizontal slip. The utility model discloses can be simple, convenient, the quick different position structural layer construction thickness that detects, the timely effectual improvement road surface structural layer detection frequency has more the representativeness.
Description
Technical Field
The utility model relates to a road detection auxiliary assembly technical field specifically belongs to a device of quick nondestructive test road surface structural layer compaction thickness.
Background
The construction thickness of the cement stabilized macadam subbase layer and the base layer, as well as the asphalt concrete pavement surface layer is a key index for quality control in the construction process of highway engineering, is also one of main evaluation indexes for acceptance of the delivery of each structural layer, and is directly related to the pavement construction quality. In the construction process of highway engineering, the thickness of a base layer and an asphalt surface layer is generally controlled by the loose paving thickness and the loose paving coefficient, but the change of the compacted thickness of the mixture can be influenced by the changes of the construction parameters of a paver, the rolling process of a road roller, the material characteristics and the like. At present, a pit digging method or a core drilling method is usually adopted for detecting the compacted thickness of a structural layer, the method belongs to destructive detection, manual backfilling is needed subsequently, the detection efficiency is low, the appearance quality and the local performance of a construction layer are affected, and the destructive detection is usually low in detection frequency and low in representativeness. Aiming at the problems, the device for rapidly and nondestructively detecting the compacted thickness of the pavement structure layer is designed, the compacted structure layer can be subjected to nondestructive detection in time, the on-site compacted thickness can be known in time, and corresponding adjustment is carried out according to the detection result, so that the construction quality is guaranteed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quick nondestructive test road surface structural layer compaction thickness's device, the utility model discloses can effectively solve the problem that long, dry inhomogeneous and the heating of bagasse fibre drying time need consume a large amount of energy.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a device of quick nondestructive test road surface structural layer compaction thickness, includes fixed bolster, locating lever, tape measure, scale, locating lever detachably fixes in the fixed bolster top, the bottom of fixed bolster is equipped with a plurality of stabilizer blades, be equipped with the draw-in groove on two and the locating lever of fixed bolster and locating lever, the height of this draw-in groove is the same, the both ends of tape measure are fixed on the draw-in groove, the scale cover is equipped with the detachable fastener, but this fastener is established the vertical card of scale on the tape measure and the horizontal slip.
Furthermore, the fixed bolster is the A-frame, and the middle part of this A-frame is triangle-shaped plate, and the direct welded fastening of top of this plate has hollow screwed pipe, the stabilizer blade is total three and sets up respectively in the below of plate.
Further, the bottom of the supporting foot is a tip, so that the supporting foot is convenient to insert into soil.
Further, the screwed pipe is provided with an internal thread, the lower end of the positioning rod is provided with an external thread, and the positioning rod is screwed and fixed through the external thread and the internal thread in a matching manner.
Furthermore, the clamping groove is formed in the middle of the positioning rod, the clamping groove is a right-angle piece extending outwards and upwards from the positioning rod, and the tape measure is directly clamped on the clamping groove.
Furthermore, the clamping piece is a ferrule with a metal clamping piece, the ferrule is just sleeved in the scale and can freely slide on the scale, the clamping piece is connected to the upper portion of the ferrule and vertically arranged downwards, and the clamping piece and the scale are clamped on the measuring tape to be fixed when the scale is used for measurement, so that reading is facilitated.
To sum up, because the utility model adopts the above technical scheme, the utility model discloses following technological effect has:
(1) the stretched tape measure is fixed by arranging the two fixing supports and the two positioning rods, and is placed horizontally in a stretching mode to form a measuring reference, so that the measuring accuracy is improved;
(2) the whole device can be inserted into the soil for fixing through the support legs with the pointed ends, the device is not prone to toppling, the triangular plate can be flatly attached to the ground, the triangular plate is not prone to moving up and down, and the accuracy of data is guaranteed;
(3) the ruler is slidably fixed on the tape measure by arranging the clamping piece, so that data can be read conveniently;
(4) the tape measure is fixed by arranging the clamping groove, so that the tape measure is convenient to mount and place.
Drawings
FIG. 1 is a schematic structural view of an apparatus for rapid nondestructive testing of compacted thickness of a pavement structure layer according to the present invention;
fig. 2 is a schematic structural diagram of the slot of the present invention;
fig. 3 is a schematic structural view of the fastener of the present invention.
In the attached drawings, a fixed support 1, a support leg 11, a plate 12, a positioning rod 2, a clamping groove 3, a measuring tape 4, a scale 5, a lower lying layer 6, a pavement structure 7, a clamping piece 8, a ferrule 81 and a clamping piece 82.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and by referring to preferred embodiments. It should be understood, however, that the numerous specific details set forth in the specification are merely set forth to provide a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
Example 1
As shown in fig. 1 and 2, a device for rapidly and nondestructively detecting compacted thickness of a pavement structure layer comprises a fixed support 1, a positioning rod 2, a tape measure 4 and a scale 5, wherein the positioning rod 2 is detachably fixed above the fixed support 1, the bottom of the fixed support 1 is provided with a plurality of support legs 11, the fixed support 1 and the positioning rod 2 are provided with two clamping grooves 3 respectively, the clamping grooves 3 are the same in height, two ends of the tape measure 4 are fixed on the clamping grooves 3, the scale 5 is sleeved with a detachable clamping piece 8, and the clamping piece 8 is used for vertically clamping the scale on the tape measure 4 and can slide left and right.
The fixing support 1 is a triangular support, the middle part of the triangular support is a triangular plate 12, a hollow threaded pipe is directly welded and fixed above the plate 12, and the three support legs are respectively arranged below the plate 12; the bottom of stabilizer blade 11 is most advanced, is convenient for insert in the soil, and the stabilizer blade is the metal stabilizer blade, and wherein triangle plate spare 12 also is the metal triangle plate spare, and the mass is heavy is convenient for fix whole fixed bolster subaerial. Through setting up two fixed bolster 1 and two locating levers 2 with tensile 4 chi of book fixed, and tensile level is placed, forms the measuring basis, is favorable to the measuring degree of accuracy.
The screwed pipe is equipped with the internal thread, the lower extreme of locating lever 2 is equipped with the external screw thread to screw up fixedly through external screw thread and internal thread adaptation, butt joint is to triangle plate top after directly twisting of locating lever 2.
The draw-in groove 3 sets up in the middle part of locating lever, and this draw-in groove 3 is by the outside right angle spare that then upwards extends of locating lever 2, the direct card of tape measure is established on this draw-in groove 3, and this draw-in groove 3 can the lug weld fixation on the dead lever, also can predetermine the screw thread at the middle part of locating lever, screws up the thread tightening through a lasso connection draw-in groove.
As shown in fig. 3, the clip member 8 is a ferrule 81 with a metal clip, which is just sleeved on the scale and can slide freely on the scale, the clip member 82 is connected to the upper part of the ferrule and is arranged vertically downwards, when the scale is used for measurement, the clip member and the scale are clamped on the measuring tape and fixed, so as to facilitate reading. The ferrule may be made of elastic rubber material, or a ruler may be used.
The test method comprises the following steps: installing 1 triangular supports along 6 subjacent layer section both ends, install the locating lever on 1 tripod, fix 4 tape measure one end on 3 draw-in grooves, stretch 4 tape measure to 2 locating levers of opposite side, fix 4 tape measure on 3 draw-in grooves of the other end, 4 tape measure tensile part is parallel with the subjacent layer this moment, record tape measure A department scale position, adopt 5 scales to test the perpendicular distance La of A scale department upper edge to the subjacent layer surface, treat 7 pavement structure layer construction completion backs, repeat the above-mentioned operation, adopt 5 scales to test the perpendicular distance La1 of A scale department upper edge to the structural layer surface of construction, then La-La1 is the compaction thickness of 7 pavement structure layer A position departments. The method is simple and convenient, can quickly detect the construction thickness of the structural layer at different positions, can effectively improve the detection frequency of the pavement structural layer in time, and is more representative.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a device of quick nondestructive test road surface structural layer compaction thickness which characterized in that: including fixed bolster, locating lever, tape measure, scale, locating lever detachably fixes in the fixed bolster top, the bottom of fixed bolster is equipped with a plurality of stabilizer blades, be equipped with the draw-in groove on two and the locating lever of fixed bolster and locating lever, the height of this draw-in groove is the same, the both ends of tape measure are fixed on the draw-in groove, the scale cover is equipped with the detachable fastener, but this fastener is established the vertical card of scale on the tape measure and the horizontal slip.
2. The device for the rapid non-destructive testing of the compacted thickness of a pavement structure layer according to claim 1, characterized in that: the fixing support is a triangular support, the middle of the triangular support is a triangular plate, a hollow threaded pipe is directly welded and fixed above the plate, and the three support legs are respectively arranged below the plate.
3. The device for the rapid non-destructive testing of the compacted thickness of a pavement structure layer according to claim 2, characterized in that: the bottom of the supporting foot is a tip, so that the supporting foot can be conveniently inserted into soil.
4. The device for the rapid non-destructive testing of the compacted thickness of a pavement structure layer according to claim 3, characterized in that: the screwed pipe is equipped with the internal thread, the lower extreme of locating lever is equipped with the external screw thread to screw up fixedly through external screw thread and internal thread adaptation.
5. The device for the rapid non-destructive testing of the compacted thickness of a pavement structure layer according to claim 1, characterized in that: the clamping groove is arranged in the middle of the positioning rod and is a right-angle piece which extends outwards and upwards from the positioning rod, and the tape measure is directly clamped on the clamping groove.
6. The device for the rapid non-destructive testing of the compacted thickness of a pavement structure layer according to claim 1, characterized in that: the clamping piece is a ferrule with a metal clamping piece, the ferrule is just sleeved into the scale and can freely slide on the scale, the clamping piece is connected to the upper portion of the ferrule and vertically arranged downwards, and the clamping piece and the scale are clamped on the measuring tape to be fixed when the scale is used for measurement, so that reading is facilitated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120834736.4U CN214620960U (en) | 2021-04-22 | 2021-04-22 | Device for rapidly and nondestructively detecting compacted thickness of pavement structure layer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120834736.4U CN214620960U (en) | 2021-04-22 | 2021-04-22 | Device for rapidly and nondestructively detecting compacted thickness of pavement structure layer |
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| CN214620960U true CN214620960U (en) | 2021-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114593657A (en) * | 2022-03-01 | 2022-06-07 | 惠州建恺建设工程质量检测有限公司 | Nondestructive testing device for concrete thickness |
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2021
- 2021-04-22 CN CN202120834736.4U patent/CN214620960U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114593657A (en) * | 2022-03-01 | 2022-06-07 | 惠州建恺建设工程质量检测有限公司 | Nondestructive testing device for concrete thickness |
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