CN212721251U - Rubber asphalt macadam seal coat rubble embedding depth tester - Google Patents
Rubber asphalt macadam seal coat rubble embedding depth tester Download PDFInfo
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- CN212721251U CN212721251U CN202022085362.9U CN202022085362U CN212721251U CN 212721251 U CN212721251 U CN 212721251U CN 202022085362 U CN202022085362 U CN 202022085362U CN 212721251 U CN212721251 U CN 212721251U
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Abstract
The utility model provides a rubber asphalt macadam seal rubble embedding degree of depth tester belongs to bituminous paving construction and detects technical field for the degree of depth measurement of the embedding rubber asphalt of solution rubble is complicated, and the problem of the rubble embedding degree of depth of the different positions of measurement that can not be quick. The device comprises a horizontal control plate, wherein the horizontal control plate is placed on a gravel sealing layer, a control console is arranged above the horizontal control plate, a vertical support is connected onto the control console, a first cantilever and a second cantilever are sequentially arranged on the vertical support in a sliding manner from bottom to top, a digital display meter is arranged on the second cantilever, a measuring rod is arranged on the digital display meter in a sliding manner, a needle connecting rod controller is arranged on the first cantilever, a needle connecting rod is arranged on the needle connecting rod controller in a penetrating manner, and a standard needle is arranged at the lower end of the needle connecting rod; the utility model discloses but the leveling of quick high accuracy can the rapid survey reachs the degree of depth on pitch layer to can measure in succession many times, in time acquire the rubble embedding degree of depth of the different positions departments of rubble seal.
Description
Technical Field
The utility model belongs to the technical field of the bituminous paving construction detects, a rubber asphalt rubble seal rubble embedding degree of depth tester is related to.
Background
The broken stone seal is an asphalt broken stone wearing layer formed by spreading asphalt and broken stones on an old road surface or a base layer, timely rolling and naturally rolling by a rubber-tyred road roller, and the road surface broken stone sealing layer has the characteristics of skid resistance, rut resistance, abrasion resistance, water seepage resistance and the like, can effectively cure diseases such as road surface tortoise net crack, aggregate shedding and the like, is simple, rapid and reliable in construction process, and is a commonly used preventive maintenance technology for flexible road surfaces.
In order to generate good embedding and squeezing effect between stone and asphalt, the process of rolling by a road roller is particularly important, and the depth of embedding the crushed stone into the asphalt after rolling is 1/2-1/3 of the particle size of the crushed stone. If the embedded depth of the broken stone is not enough, the broken stone is easy to fall off to form a pit groove; if the embedded depth of the broken stones is too large, oil is easy to form, so that the skid resistance of the pavement is reduced, and the service life of the pavement is shortened. However, in the actual construction process, a method for measuring the embedding depth of the gravel is lacked, and if the construction quality of the gravel sealing layer is unqualified, the actual service life of the road is affected.
In view of the foregoing, a need exists for a tester capable of quickly and accurately testing the insertion depth of the gravel in the gravel pack.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided a rubber asphalt macadam seal rubble embedding degree of depth tester, the technical problem that the device will solve is: how to simply, effectively and timely obtain the gravel embedding depth of different positions of the gravel seal and provide a basis for the construction quality control of the gravel seal of the asphalt pavement.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides a rubber asphalt rubble seal rubble embedding degree of depth tester, including horizontal control board, place on the rubble seal on the horizontal control board, the rubble seal comprises rubble layer and pitch layer, the rubble layer is located pitch layer top, the horizontal control board top is provided with the control cabinet, be connected with perpendicular support on the control cabinet, it has first cantilever and second cantilever to slide in proper order from bottom to top on the support to erect, be provided with the digital display table on the second cantilever, it is provided with the measuring staff to slide on the digital display table, be provided with needle link controller on the first cantilever, it is provided with the needle connecting rod to run through on the needle link controller, needle connecting rod lower extreme is provided with the standard needle.
The utility model discloses a theory of operation: placing the horizontal control board on a gravel seal layer to be tested, namely abutting against the gravel layer, placing the control console on the horizontal control board, and leveling; adjusting the heights of the first cantilever and the second cantilever to enable the standard needle to be flush with the upper surface of the horizontal control plate, enable the measuring rod to be in contact with the needle connecting rod and enable the digital display meter to return to zero; then adjusting the first cantilever and the second cantilever to enable the standard needle to pass through the horizontal control plate and be inserted into the asphalt layer until the standard needle cannot be inserted downwards continuously; moving the measuring rod downwards to be in contact with the needle connecting rod, and recording the reading of the digital display meter as h 0; calculating the thickness of the asphalt layer, which is recorded as h1, according to the spreading amount P of the asphalt layer and the density rho of the asphalt layer, wherein the calculation formula is as follows:
calculating the gravel embedding depth h' of the gravel layer by using the average particle diameter D of single gravel of the gravel layer, the distance h0 from the bottom surface of the horizontal control plate to the bottom of the gravel seal and the thickness h1 of the asphalt layer, wherein the calculation formula is as follows:
the implementation process is repeated, the testing frequency is one point per 100m, 3 points are tested in parallel at each point, the gravel embedding depth in the actual construction process of the gravel sealing layer can be simply and efficiently obtained, and guarantee is provided for the construction quality control of the gravel sealing layer of the asphalt pavement.
Be provided with a plurality of level bubbles on the control cabinet, the control cabinet lower extreme is provided with a plurality of leveling bolt, and leveling bolt all contradicts on horizontal control board, and horizontal control board adopts to make for steel sheet or plank, and the size of horizontal control board is 500mm x 5mm, has seted up cantilever projection hole on the horizontal control board, and cantilever projection hole is located the standard needle under.
Structure more than adopting adjusts a plurality of leveling bolts, levels through observing the level bubble on the control cabinet, and the size of horizontal control board is 500mm 5mm, and the formula of conveniently substituting is calculated, and the standard needle passes the cantilever projection hole, inserts in the pitch layer, conveniently tests.
The first cantilever and the second cantilever are respectively in threaded connection with a first knob screw rod and a second knob screw rod, and the end part of the first knob screw rod and the end part of the second knob screw rod are abutted to the vertical support.
By adopting the structure, after the positions of the first cantilever and the second cantilever on the vertical support are adjusted in a sliding mode, the first knob screw rod and the second knob screw rod are screwed, and the positions of the first cantilever and the second cantilever on the vertical support are locked.
The measuring rod is internally provided with an induction chip with the same length as the measuring rod, the induction chip is calibrated from bottom to top, and a probe capable of reading a value calibrated in the induction chip is arranged in the digital display meter;
by adopting the structure, the measuring rod slides in the digital display meter, the probe is matched with the induction chip and used for counting, and the digital display meter reads out data.
The needle connecting rod controller is provided with two infrared positioners which are symmetrically arranged, the end part of the needle connecting rod is provided with a control knob, the control knob is positioned between the two infrared positioners, and the standard needle is fixed on the control knob.
By adopting the structure, the infrared positioners are opened, the two infrared positioners work in a matching way, the position where the device is placed is determined and leveled, and the control knob is convenient to install and disassemble the standard needle.
Compared with the prior art, this rubber asphalt macadam seal rubble embedding degree of depth tester has following advantage:
the leveling bubble is matched with the leveling bolt and the infrared positioner, so that the position where the device is placed is determined and leveled, the adjustment is convenient, and the precision is high; the digital display meter is quickly reset to zero and counted by matching the measuring rod, the digital display meter and the needle connecting rod; adopt needle link controller, digital display table and measurement standard needle cooperation, the depth on rapid survey reachs the pitch layer to can measure in succession many times, in time acquire the rubble embedding depth of rubble seal different positions department, simple efficient acquires rubble embedding depth in the actual work progress of rubble seal.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic top view of a portion of the present invention;
in the figure: the device comprises a horizontal control plate 1, a leveling bolt 2, a console 3, a first knob screw 4, a second knob screw 5, a vertical support 6, a measuring rod 7, a digital display meter 8, a needle connecting rod 9, a needle connecting rod controller 10, an infrared positioner 11, a control knob 12, a standard needle 13, a second cantilever 14, a first cantilever 15, a rubble layer 16, a bitumen layer 17 and a cantilever projection hole 18.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-2, the present embodiment provides a rubble and asphalt macadam seal rubble embedding depth tester, which includes a horizontal control board 1, the horizontal control board 1 is placed on the rubble seal, the rubble seal is composed of a rubble layer 16 and an asphalt layer 17, the rubble layer 16 is located above the asphalt layer 17, a console 3 is arranged above the horizontal control board 1, the console 3 is connected with a vertical support 6, a first cantilever 15 and a second cantilever 14 are sequentially arranged on the vertical support 6 in a sliding manner from bottom to top, a digital display 8 is arranged on the second cantilever 14, a measuring rod 7 is arranged on the digital display 8 in a sliding manner, a needle link controller 10 is arranged on the first cantilever 15, a needle link 9 is arranged on the needle link controller 10 in a penetrating manner, and a standard needle 13 is arranged at the lower end of the needle link 9;
placing the horizontal control plate 1 on a gravel seal layer to be tested, namely abutting against the gravel layer 16, placing the control console 3 on the horizontal control plate 1, and leveling; adjusting the heights of the first cantilever 15 and the second cantilever 14 to enable the standard needle 13 to be flush with the upper surface of the horizontal control plate 1, enable the measuring rod 7 to be in contact with the needle connecting rod 9 and enable the digital display meter 8 to return to zero; then adjusting the cantilevers of the first cantilever 15 and the second cantilever 14 to enable the standard needle 13 to be inserted into the asphalt layer 17 through the horizontal control plate 1 until the standard needle cannot be inserted downwards any more; moving the measuring bar 7 downwards to be in contact with the needle connecting rod 9, and recording the reading of the digital display meter 8 as h 0; the thickness of the asphalt layer 17, denoted as h1, is calculated from the amount of spread P of the asphalt layer 17 and the density ρ of the asphalt layer 17, as follows:
calculating the gravel embedding depth h' of the gravel layer 16 by using the average particle diameter D of the single gravel of the gravel layer 16, the distance h0 from the bottom surface of the horizontal control plate to the bottom of the gravel seal and the thickness h1 of the asphalt layer, wherein the calculation formula is as follows:
the implementation process is repeated, the testing frequency is one point per 100m, 3 points are tested in parallel at each point, the gravel embedding depth in the actual construction process of the gravel sealing layer can be simply and efficiently obtained, and guarantee is provided for the construction quality control of the gravel sealing layer of the asphalt pavement.
A plurality of leveling bubbles are arranged on the console 3, a plurality of leveling bolts 2 are arranged at the lower end of the console 3, the leveling bolts 2 are abutted against the horizontal control plate 1, the horizontal control plate 1 is made of a steel plate or a wood plate, the size of the horizontal control plate 1 is 500mm multiplied by 5mm, a cantilever projection hole 18 is formed in the horizontal control plate 1, and the cantilever projection hole 18 is positioned under the standard needle 13; adjust a plurality of leveling bolts 2, carry out the leveling through observing the level bubble on the control cabinet 3, the size of horizontal control board 1 is 500mm 5mm, conveniently substitutes the formula and calculates, and standard needle 13 passes cantilever projection hole 18, inserts in pitch layer 17, conveniently tests.
The first cantilever 15 and the second cantilever 14 are respectively screwed with a first knob screw 4 and a second knob screw 5, and the end part of the first knob screw 4 and the end part of the second knob screw 5 are both butted against the vertical bracket 6; after the positions of the first cantilever 15 and the second cantilever 14 on the vertical support 6 are adjusted in a sliding mode, the first knob screw 4 and the second knob screw 5 are screwed, and the positions of the first cantilever 15 and the second cantilever 14 on the vertical support 6 are locked.
The measuring rod 7 is internally provided with an induction chip with the same length as the measuring rod, the induction chip is calibrated from bottom to top, and the digital display meter 8 is internally provided with a probe capable of reading the calibrated value in the induction chip; the measuring rod 7 slides in the digital display meter 8, the probe is matched with the induction chip and used for counting, and the digital display meter 8 reads out data.
The needle connecting rod controller 10 is provided with two infrared positioners 11 which are symmetrically arranged, the end part of the needle connecting rod 9 is provided with a control knob 12, the control knob 12 is positioned between the two infrared positioners 11, and a standard needle 13 is fixed on the control knob 12; the infrared locators 11 are turned on, the two infrared locators 11 work cooperatively, the position where the device is placed is determined and leveled, and the control knob 12 facilitates installation and disassembly of the standard needle 13.
The utility model discloses a theory of operation:
the method comprises the following steps that firstly, a horizontal control board 1 is placed on a gravel layer 16 of a gravel seal layer to be tested, a control console 3 is placed on the horizontal control board 1, and leveling is carried out through a plurality of leveling nuts 2;
secondly, the positions of a first cantilever 15 and a second cantilever 14 on a vertical support 6 are adjusted downwards by screwing a first knob screw rod 4 and a second knob screw rod 5, so that a standard needle 13 is flush with the upper surface of a horizontal control plate 1, the height of the upper cantilever is adjusted by adjusting a knob, a measuring rod 7 is in contact with a needle connecting rod 9, and a digital display 8 is reset to zero;
thirdly, the positions of the first cantilever 15 and the second cantilever 14 on the vertical support 6 are adjusted downwards by screwing the first knob screw rod 4 and the second knob screw rod 5, so that the standard needle 13 penetrates through the cantilever projection hole 18 and is inserted into the asphalt layer 17 until the standard needle cannot be inserted downwards any more;
fourthly, the measuring rod 7 is moved downwards to be in contact with the needle connecting rod 9, the measuring rod 7 slides in the digital display meter 8, the probe is matched with the induction chip, and the reading of the digital display meter 8 is recorded as h 0;
step five, calculating the thickness of the asphalt layer 17 through the spreading amount P of the asphalt layer 17 and the density rho of the asphalt layer 17, and recording the thickness as h1, wherein the calculation formula is as follows:
step six, calculating the gravel embedding depth h' of the gravel layer 16 by using the average particle size D of single gravel of the gravel layer 16, the distance h0 from the bottom surface of the horizontal control plate to the bottom of the gravel seal and the thickness h1 of the asphalt layer, wherein the calculation formula is as follows:
for the public understanding, the patent is described in detail with a specific example.
In the rubber macadam seal test section, the asphalt layer 17 is waste rubber powder modified asphalt, the density is 1g/cm3, the spreading amount is 2kg/m2, and the specification of macadam of the macadam layer 16 is 5-10 mm.
Manufacturing a horizontal control plate 1 with the size of 500mm multiplied by 5mm by a steel plate, and calculating the thickness of an asphalt layer 17 in the gravel seal layer to be 2mm according to a formula 1 and marking as h 1; the crushed stones of the crushed stone layer 16 had an average particle size of 5mm, denoted by D.
When the gravel embedding depth of the gravel layer 16 is measured, the horizontal control plate 1 is firstly placed on the crushed gravel seal layer, the infrared positioner 11 is opened, the placing position of the control console 3 is determined and leveled, then the testing position is determined through the horizontal positions of the needle connecting rod controller 10 and the digital display meter 8, the depth h0 from the standard needle 13 to the rubber asphalt layer 17 is measured, and finally the gravel embedding depth h' in the range is calculated by using the formula 2.
The implementation process is repeated, the testing frequency is one point per 100m, 3 points are tested in parallel at each point, the gravel embedding depth in the actual construction process of the gravel sealing layer can be simply and efficiently obtained, and guarantee is provided for the construction quality control of the gravel sealing layer of the asphalt pavement.
In conclusion, the leveling bubble is matched with the leveling bolt 2 and the infrared positioner 11 to determine the position of the device for leveling, so that the device is convenient to adjust and high in precision; the digital display meter 8 is quickly zeroed and counted by matching the measuring rod 7, the digital display meter 8 and the needle connecting rod 9; adopt needle link controller 10, digital display table 8 and measurement standard needle 13 cooperation, the depth that the rapid survey reachs pitch layer 17 to but continuous many times measure, in time acquire the rubble embedding depth of rubble seal different positions department, simple efficient acquires rubble embedding depth in the actual work progress of rubble seal.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. A tester for the embedded depth of rubble in a rubber asphalt rubble seal coat comprises a horizontal control plate (1), the device is characterized in that the horizontal control plate (1) is placed on a gravel seal, the gravel seal is composed of a gravel layer (16) and an asphalt layer (17), the gravel layer (16) is located above the asphalt layer (17), a control console (3) is arranged above the horizontal control plate (1), a vertical support (6) is connected onto the control console (3), a first cantilever (15) and a second cantilever (14) are sequentially arranged on the vertical support (6) in a sliding mode from bottom to top, a digital display meter (8) is arranged on the second cantilever (14), a measuring rod (7) is arranged on the digital display meter (8) in a sliding mode, a needle connecting rod controller (10) is arranged on the first cantilever (15), a needle connecting rod (9) is arranged on the needle connecting rod controller (10) in a penetrating mode, and a standard needle (13) is arranged at the lower end of the needle connecting rod (9).
2. The rubble and asphalt seal coat rubble embedding depth tester as claimed in claim 1, wherein a plurality of leveling air bubbles are arranged on the console (3), a plurality of leveling bolts (2) are arranged at the lower end of the console (3), the leveling bolts (2) are all abutted against the horizontal control plate (1), the horizontal control plate (1) is made of steel plate or wood plate, the horizontal control plate (1) is 500mm x 5mm in size, a cantilever projection hole (18) is formed in the horizontal control plate (1), and the cantilever projection hole (18) is located under the standard needle (13).
3. The rubble and asphalt coated rubble embedding depth tester as claimed in claim 1, wherein the first cantilever (15) and the second cantilever (14) are respectively screwed with a first knob screw (4) and a second knob screw (5), and the end of the first knob screw (4) and the end of the second knob screw (5) are both abutted against the vertical support (6).
4. The rubble and asphalt seal coat rubble embedding depth tester as claimed in claim 1, characterized in that, the measuring bar (7) is provided with a sensing chip with the same length as the measuring bar, the sensing chip is calibrated from bottom to top, and the digital display meter (8) is provided with a probe capable of reading the value calibrated in the sensing chip.
5. The rubble and asphalt coated rubble embedding depth tester as claimed in claim 1, wherein the needle link controller (10) is provided with two infrared locators (11) symmetrically arranged, the end of the needle link (9) is provided with a control knob (12), the control knob (12) is located between the two infrared locators (11), and the standard needle (13) is fixed on the control knob (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022085362.9U CN212721251U (en) | 2020-09-22 | 2020-09-22 | Rubber asphalt macadam seal coat rubble embedding depth tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022085362.9U CN212721251U (en) | 2020-09-22 | 2020-09-22 | Rubber asphalt macadam seal coat rubble embedding depth tester |
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| Publication Number | Publication Date |
|---|---|
| CN212721251U true CN212721251U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022085362.9U Active CN212721251U (en) | 2020-09-22 | 2020-09-22 | Rubber asphalt macadam seal coat rubble embedding depth tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212721251U (en) |
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2020
- 2020-09-22 CN CN202022085362.9U patent/CN212721251U/en active Active
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