CN215984312U - Asphalt pavement loose paving thickness detection device - Google Patents
Asphalt pavement loose paving thickness detection device Download PDFInfo
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- CN215984312U CN215984312U CN202122019399.6U CN202122019399U CN215984312U CN 215984312 U CN215984312 U CN 215984312U CN 202122019399 U CN202122019399 U CN 202122019399U CN 215984312 U CN215984312 U CN 215984312U
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Abstract
The utility model discloses a device for detecting the loose pavement thickness of an asphalt pavement, which mainly comprises a main scale, an auxiliary scale and an angle measuring disc; the main ruler is provided with scale marks and a lantern ring, and the lantern ring is formed by sequentially connecting an upper circular ring, a cylindrical rod and a lower circular ring; the auxiliary ruler is formed by fixing a sleeve and a telescopic rod sleeved in the sleeve through bolts; the main ruler tail, the auxiliary ruler tail and the angle measuring disc are hinged through the fixed disc and the bolts, and the main ruler pointer, the auxiliary ruler pointer and the angle measuring disc are located on the same plane. The lantern ring and the scale marks arranged on the main scale can ensure the safety of testers in the detection process; the function of survey slope can be realized to the combination of angulation disc and articulated main scale, auxiliary ruler, and then based on the accurate loose thickness of spreading of different slope bituminous paving of main scale detection. The method and the device can be used for accurately measuring the loose paving thickness of the asphalt pavement under different slopes by measuring the slopes of the pavement on different working surfaces, and have the characteristics of simplicity in use, safety in operation, accuracy in measurement and the like.
Description
Technical Field
The utility model belongs to a test detection device for an asphalt pavement, and particularly relates to a loose pavement thickness detection device for the asphalt pavement.
Background
With the continuous development of social economy, asphalt pavement is the current main pavement type due to the advantages of good flatness, good skid resistance and the like. In the construction process of the asphalt pavement, the process control of the loose paving thickness index is always a key link for the quality control of the asphalt pavement. In the existing technical specification for constructing asphalt pavements for highways (JTG F40-2004), the total thickness of each structural layer and the pavement in the construction process of the asphalt pavements is definitely specified, and the total thickness of asphalt pavements for expressways and first-level highways is taken as an example, and the total thickness of the asphalt pavements is required to be not less than 5% of the design value. Meanwhile, the excessively thick pavement thickness in the construction process inevitably increases the engineering cost, so that the economy is unreasonable and the resources are wasted, and the actual pavement thickness of the pavement is required to be controlled within a reasonable range. Considering that the pavement thickness is controlled by two indexes of the loose paving coefficient and the loose paving thickness in the construction process, and the loose paving coefficient index is only an empirical value, the important significance of accurately measuring the loose paving thickness on a construction site is highlighted.
Currently, the loose pavement thickness is usually determined by inserting a metal rod into a paved road surface and then roughly measuring the insertion depth of the metal rod during the construction of the asphalt road surface. However, due to the complexity of the construction environment, the manual insertion of the metal rod cannot ensure that the metal rod is perpendicular to the working surface, and the accuracy of measuring the pavement loose thickness on the working surfaces with different slopes cannot be ensured. Meanwhile, because the temperature of the mixture of the asphalt pavement in the paving process is higher, the detection mode that detection personnel insert the metal rod inevitably has scalding safety risk.
Disclosure of Invention
The utility model aims to provide the asphalt pavement loose pavement thickness detection device which is simple to use, safe to operate and accurate in determination.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the asphalt pavement loose paving thickness detection device mainly comprises a main scale, an auxiliary scale and an angle measuring disc; the main ruler is provided with scale marks and a lantern ring, the lantern ring is formed by sequentially connecting an upper circular ring, a cylindrical rod and a lower circular ring, the inner diameters of the upper circular ring and the lower circular ring are larger than that of the main ruler, and the upper circular ring and the lower circular ring are respectively sleeved on the main ruler from top to bottom; the auxiliary ruler is formed by fixing a sleeve and a telescopic rod sleeved in the sleeve through a fixing bolt, and a forward level and a reverse level are arranged on the outer side of the sleeve; the main scale afterbody is fixed and is provided with the main scale pointer, and the fixed auxiliary scale pointer that is provided with of auxiliary scale afterbody, main scale afterbody, auxiliary scale afterbody and angulation disc are articulated through fixed disc and bolt, and main scale pointer, auxiliary scale pointer and angulation disc are located the coplanar.
The limiting spring is arranged above the final position of the scale marks on the main scale.
The length of the cylindrical rod is equal to the distance from the starting position of the scale mark to the head of the main scale minus the thickness of the circular ring.
The angle measuring disc is made of transparent materials and is provided with angle scales.
In view of the important function of the loose pavement thickness index in the asphalt pavement construction process, the inventor designs and manufactures an asphalt pavement loose pavement thickness detection device which mainly comprises a main scale, an auxiliary scale and an angle measuring disc aiming at the defects of the existing detection mode; the main ruler is provided with scale marks and a lantern ring, and the lantern ring is formed by sequentially connecting an upper circular ring, a cylindrical rod and a lower circular ring; the auxiliary ruler is formed by fixing a sleeve and a telescopic rod sleeved in the sleeve through bolts; the main ruler tail, the auxiliary ruler tail and the angle measuring disc are hinged through the fixed disc and the bolts, and the main ruler pointer, the auxiliary ruler pointer and the angle measuring disc are located on the same plane. The lantern ring and the scale marks arranged on the main scale can ensure the safety of testers in the detection process; the function of survey slope can be realized to the combination of angulation disc and articulated main scale, auxiliary ruler, and then based on the accurate loose thickness of spreading of different slope bituminous paving of main scale detection. By adopting the method, the loose paving thickness of the asphalt pavement under different slopes during paving can be accurately measured by measuring the slopes of the pavement on different working surfaces, and the method has the characteristics of strong operability, high accuracy, safety, stability and the like. The method has practical significance for improving the engineering quality, saving the engineering cost and improving the safety environment of the detection process of the detection personnel.
Drawings
FIG. 1 is a schematic structural diagram (forming an included angle with an angle measuring disc) of the device for detecting the loose pavement thickness of the asphalt pavement.
Fig. 2 is a schematic structural diagram (vertical angle measuring disc direction) of the asphalt pavement loose thickness detection device of the utility model.
FIG. 3 is a schematic structural diagram of an angle measuring disc in the asphalt pavement loose thickness detection device of the present invention.
In the figure: 1. the leveling instrument comprises scale marks, 2 bolts, 3 reverse leveling instruments, 4 forward leveling instruments, 5 sleeves, 6 fixing bolts, 7 telescopic rods, 8 fixing discs, 9 main rulers, 10 lantern rings, 11 limiting springs, 12 main ruler pointers, 13 auxiliary ruler pointers, 14 angle measuring discs, 15 upper circular rings, 16 cylindrical rods, 17 lower circular rings and 18 auxiliary rulers.
Detailed Description
First, the utility model bituminous paving loosens and spreads the basic structure of the thickness checkout gear
The asphalt pavement loose paving thickness detection device mainly comprises a main scale 9, an auxiliary scale 18 and an angle measuring disc; the main ruler is provided with a scale mark 1 and a lantern ring, the lantern ring 10 is formed by sequentially connecting an upper circular ring 15, a cylindrical rod 16 and a lower circular ring 17, the inner diameters of the upper circular ring and the lower circular ring are larger than that of the main ruler, and the upper circular ring and the lower circular ring are respectively sleeved on the main ruler one above the other, so that the lantern ring can slide up and down on the main ruler; the auxiliary ruler is composed of a sleeve 5 and a telescopic rod 7 sleeved in the sleeve through fixing bolts 6, the telescopic rod is extended and shortened by controlling the tightness degree of the fixing bolts, and a forward level 4 and a reverse level 3 are arranged on the outer side of the sleeve; the main scale afterbody is fixed and is provided with main scale pointer 12, and the fixed auxiliary scale pointer 13 that is provided with of auxiliary scale afterbody, main scale afterbody, auxiliary scale afterbody and angulation disc 14 are articulated through fixed disc 8 and bolt 2, and main scale pointer, auxiliary scale pointer and angulation disc lie in the coplanar, and the angulation disc is transparent material, is equipped with the angle scale on it. The limiting spring is arranged above the final position of the scale mark on the main scale and is used for controlling and fixing the lantern ring to move up and down; the length of the cylindrical rod is equal to the distance from the starting position of the scale mark to the head of the main scale, and the thickness of the lower ring is reduced, so that when the lower ring slides to the head of the main scale, the bottom of the upper ring is just coincided with the starting position of the scale mark.
Second, the use method of the asphalt pavement loose paving thickness detection device
1. The main ruler is transversely placed on the ground, the auxiliary ruler is adjusted to be in the vertical direction after the main ruler and the auxiliary ruler can rotate freely through the adjusting bolts, the air level of the reverse level is observed, the auxiliary ruler is perpendicular to the horizontal plane, the main ruler and the auxiliary ruler are fixed and cannot rotate through the adjusting bolts, and the included angle A between the main ruler and the auxiliary ruler is determined according to the positions of the main ruler pointer and the auxiliary ruler pointer on the angle measuring disc.
2. Adjusting bolts, rotating the main ruler and the auxiliary ruler, screwing the bolts when an included angle between the main ruler and the auxiliary ruler is (90-A), fixing the angle between the main ruler and the auxiliary ruler, inserting the main ruler into the paved asphalt surface layer, observing a level bubble of a forward level on the auxiliary ruler, enabling the auxiliary ruler to be perpendicular to the horizontal plane, adjusting fixing bolts on the auxiliary ruler, enabling the telescopic rod to extend to the bottom of the paved asphalt surface layer, and then adjusting the fixing bolts on the auxiliary ruler to enable the length of the telescopic rod to be fixed.
3. And pressing a limiting spring on the main scale, holding a cylindrical rod on the lantern ring by a tester, slowly putting down the lantern ring to contact the road surface, and reading the scale at the bottom of the upper ring to obtain the loose pavement thickness of the current asphalt surface layer.
4. After the detection is finished, the lantern ring is lifted to the position-limiting spring to be fixed, and the main scale and the auxiliary scale are arranged to be in an initial state.
Claims (4)
1. A bituminous pavement loose pavement thickness detection device is characterized by mainly comprising a main scale, an auxiliary scale and an angle measuring disc; the main ruler is provided with scale marks and a lantern ring, the lantern ring is formed by sequentially connecting an upper circular ring, a cylindrical rod and a lower circular ring, the inner diameters of the upper circular ring and the lower circular ring are larger than that of the main ruler, and the upper circular ring and the lower circular ring are sleeved on the main ruler one above the other respectively; the auxiliary ruler is formed by fixing a sleeve and a telescopic rod sleeved in the sleeve through a fixing bolt, and a forward level and a reverse level are arranged on the outer side of the sleeve; the main scale tail part is fixedly provided with a main scale pointer, the auxiliary scale tail part is fixedly provided with an auxiliary scale pointer, the main scale tail part, the auxiliary scale tail part and the angle measuring disc are hinged through a fixing disc and a bolt, and the main scale pointer, the auxiliary scale pointer and the angle measuring disc are located on the same plane.
2. The asphalt pavement loose thickness detection device according to claim 1, characterized in that: the limiting spring is arranged above the final position of the scale marks on the main scale.
3. The asphalt pavement loose thickness detection device according to claim 1, characterized in that: the length of the cylindrical rod is equal to the distance from the starting position of the scale mark to the head of the main scale minus the thickness of the circular ring.
4. The asphalt pavement loose thickness detection device according to claim 1, characterized in that: the angle measuring disc is made of transparent materials and is provided with angle scales.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122019399.6U CN215984312U (en) | 2021-08-25 | 2021-08-25 | Asphalt pavement loose paving thickness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122019399.6U CN215984312U (en) | 2021-08-25 | 2021-08-25 | Asphalt pavement loose paving thickness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215984312U true CN215984312U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122019399.6U Active CN215984312U (en) | 2021-08-25 | 2021-08-25 | Asphalt pavement loose paving thickness detection device |
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| Country | Link |
|---|---|
| CN (1) | CN215984312U (en) |
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2021
- 2021-08-25 CN CN202122019399.6U patent/CN215984312U/en active Active
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