CN210464304U - Bituminous paving thickness detection sampling device - Google Patents
Bituminous paving thickness detection sampling device Download PDFInfo
- Publication number
- CN210464304U CN210464304U CN201921542901.8U CN201921542901U CN210464304U CN 210464304 U CN210464304 U CN 210464304U CN 201921542901 U CN201921542901 U CN 201921542901U CN 210464304 U CN210464304 U CN 210464304U
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- CN
- China
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- box body
- sampling device
- inner box
- asphalt pavement
- thickness detection
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- Expired - Fee Related
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- Road Repair (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a bituminous paving thickness detects sampling device belongs to pitch check out test set field. The asphalt pavement thickness detection sampling device comprises an outer box body, an inner box body and a mandril, wherein the outer box body and the inner box body are tightly connected through threads; sampling holes are formed in the side walls of the outer box body and the inner box body; the top of the inner box body is provided with a guide hole, one end of the ejector rod penetrates through the guide hole and extends into the inner box body, and the outer wall of the ejector rod is provided with scales for reading the thickness of the pavement asphalt layer; still be equipped with telescopic machanism in the interior box body, can drive the ejector pin and stretch out and draw back along vertical direction. The utility model provides a bituminous pavement thickness detection sampling device, which has two functions of bituminous pavement thickness measurement and bituminous layer sampling, and is convenient to use; still be equipped with telescopic machanism in the interior box body, can drive the ejector pin and stretch out and draw back along vertical direction, can avoid bituminous paving thickness to detect sampling device and be buried in the bituminous layer and lead to seeking the difficulty when using.
Description
Technical Field
The utility model relates to a pitch check out test set technical field, in particular to bituminous paving thickness detects sampling device.
Background
The asphalt pavement is a pavement of various types made by mixing mineral materials with asphalt materials for pavement, and comprises a surface layer, a base layer and a cushion layer. The asphalt binder improves the capability of the paving aggregate to resist damage of traveling vehicles and natural factors to the pavement, and enables the pavement to be smooth, less in dust, impermeable and durable. Accordingly, asphalt pavement is one of the most widely used high-grade pavements in road construction.
After each layer of the asphalt pavement is constructed and when the asphalt pavement is used in engineering acceptance and check, the thickness of the asphalt pavement must be detected, and if necessary, the pavement material also needs to be monitored. Most asphalt pavement thickness measuring equipment in the market at present has the function of measuring the thickness of the asphalt pavement, but does not have the function of sampling.
The utility model can directly sample the road surface without drilling the road surface, but when in use, because the thickness of the detected road surface asphalt is uncertain, when the thickness of the asphalt road surface is thicker, the utility model can be buried in the road surface, and the searching difficulty can be increased when sampling; when bituminous paving thickness is less, the utility model discloses can be rolled the damage by the road surfacing car.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bituminous paving thickness detects sampling device to solve current bituminous paving thickness measurement equipment and possess the thickness measurement function, nevertheless do not possess the problem of sampling function.
In order to solve the technical problem, the utility model provides a bituminous paving thickness detects sampling device, bituminous paving thickness detects sampling device includes:
the outer box body is tightly connected with the inner box body through threads; sampling holes are formed in the side walls of the outer box body and the inner box body;
the top of the inner box body is provided with a guide hole, one end of the ejector rod penetrates through the guide hole and extends into the inner box body, and the outer wall of the ejector rod is provided with scales;
still be equipped with telescopic machanism in the interior box body, can drive the ejector pin is flexible along vertical direction.
Optionally, the bottom end of the ejector rod is inserted into the inner box body and is fixedly connected with a connecting sleeve, and threads matched with each other are formed on the outer wall of the connecting sleeve and the inner wall of the inner box body.
Optionally, the telescopic mechanism is a spring arranged in the inner box body.
Optionally, a partition plate is further arranged between the connecting sleeve and the spring, and the partition plate is in sliding sealing connection with the inner wall of the inner box body; the inner box body is divided into an upper cavity and a lower cavity by the partition board, and the upper cavity and the lower cavity are mutually independent.
Optionally, the top of the ejector rod is fixedly connected with a hexagonal column head, and the ejector rod can be detached by matching with an external hexagonal wrench with a corresponding size.
Optionally, a guide sleeve is fixedly connected in the guide hole, so that the ejector rod slides along the vertical direction.
The utility model provides a pair of bituminous paving thickness detects sampling device possesses following beneficial effect:
(1) the asphalt pavement thickness detection sampling device has two functions of asphalt pavement thickness measurement and asphalt layer sampling, and is convenient to use;
(2) the telescopic mechanism is further arranged in the inner box body and can drive the ejector rod to stretch in the vertical direction, so that the difficulty in searching due to the fact that the asphalt pavement thickness detection sampling device is buried in an asphalt layer when the asphalt pavement thickness detection sampling device is used can be avoided;
(3) the connecting thread between the outer box body and the inner box body is opposite to the rotating direction of the thread, the outer box body and the inner box body can be separated by screwing the thread, and the operation is very convenient.
Drawings
Fig. 1 is a schematic structural view of a sampling device for detecting the thickness of an asphalt pavement provided by the present invention;
FIG. 2 is a schematic structural diagram of the inner case;
FIG. 3 is a schematic structural view of the outer case.
Detailed Description
The following describes the asphalt pavement thickness detection sampling device provided by the present invention in further detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
Example one
The utility model provides a bituminous pavement thickness detection sampling device, the structure of which is shown in figure 1, the bituminous pavement thickness detection sampling device comprises an outer box body 1, an inner box body 2 and a mandril 4, wherein, the outer box body 1 and the inner box body 2 are tightly connected through screw threads, please refer to figures 2 and 3; sampling holes 3 are formed in the side walls of the outer box body 1 and the inner box body 2, and when the outer box body 1 and the inner box body 2 are in a tightly connected state, the sampling holes in the outer box body 1 and the inner box body 2 are in a one-to-one corresponding communication state; the top of the inner box body 2 is provided with a guide hole 5, one end of the ejector rod 4 penetrates through the guide hole 5 and extends into the inner box body 2, and the outer wall of the ejector rod 4 is provided with scales 40 for reading the thickness of the road asphalt layer; still be equipped with telescopic machanism in the interior box body 2, can drive ejector pin 4 is flexible along vertical direction, ejector pin 4 with the total height of interior box body 2 is greater than bituminous paving's pitch surface course thickness, ejector pin 4's length is no longer than bituminous paving's pitch surface course thickness avoids ejector pin 4 is crushed by the road roller. Preferably, a guide sleeve 9 is fixedly connected in the guide hole 5, so that the push rod 4 can slide along the vertical direction.
Specifically, please continue to refer to fig. 1, the telescopic mechanism is a spring 7 arranged in the inner case 2, the bottom end of the ejector rod 4 is inserted into the inner case 2 and is further fixedly connected with a connecting sleeve 6, the outer wall of the connecting sleeve 6 and the inner wall of the inner case 2 are both provided with threads 60 matched with each other, the connecting threads between the outer case 1 and the inner case 2 are opposite to the rotating direction of the threads 60, in the first embodiment, the connecting threads between the outer case 1 and the inner case 2 are left-handed, and the threads 60 are right-handed. The connecting sleeve 6 with still be equipped with baffle 8 between the spring 7, baffle 8 will interior box body 2 separates for two mutually independent last cavities 20 and lower cavity 21, baffle 8 with be sliding seal connection between the inner wall of interior box body 2, can avoid pitch in the lower cavity 21 gets into go up cavity 20. The top of the ejector rod 4 is fixedly connected with a hexagonal column head which can be matched with an external hexagonal wrench with a corresponding size for disassembly.
When the device is used, the asphalt pavement thickness detection sampling device is placed on the surface of a base layer of asphalt to be paved, liquid asphalt enters the inner box body along the sampling hole 3 and fills the lower cavity 21 in the working processes of asphalt filling and a road roller and a road surface leveling machine, and the outer box body 1 and the inner box body 2 are buried in the asphalt along with the continuous increase of the thickness of the pavement asphalt. In the working process of the road roller and the road surface leveling machine, the ejector rod 4 can retract into the inner box body 2 under the action of pressure, and after the pressure is removed, the ejector rod 4 can extend out again under the action of the elastic force of the spring 7, penetrate through the inner box body 2 and protrude out of the asphalt road surface. When the surface layer thickness of the asphalt pavement is measured, the scale reading on the ejector rod 4 is read by taking the upper end surface of the inner box body 2 as a reference, and the height of the inner box body 2 is added, so that the asphalt thickness of the asphalt pavement is obtained. After the reading is accomplished, the pull-up ejector pin 4 to twist through outer hexagonal spanner and move ejector pin 4, drive adapter sleeve 6 is rotatory, realize adapter sleeve 6 with interior box body 2 passes through screw thread 60 cooperation works as screw thread 60 screws up the back, continues to screw up ejector pin 4, because outer box body 1 with connecting thread between the interior box body 2 with screw thread 60 revolves to opposite, consequently screwing up during screw thread 60, outer box body 1 with connecting thread between the interior box body 2 revolves gradually and leaves, until outer box body 1 with interior box body 2 break away from the connection state, can take out interior box body 2 with the asphalt layer sample in the interior box body 2.
The utility model provides a sampling device for asphalt pavement thickness detection, which has two functions of asphalt pavement thickness measurement and asphalt layer sampling and is convenient to use; the inner box body 2 is also internally provided with a telescopic mechanism which can drive the ejector rod 4 to stretch and retract along the vertical direction, so that the difficulty in searching caused by the fact that the asphalt pavement thickness detection sampling device is buried in an asphalt layer when in use can be avoided; the connection thread between the outer box 1 and the inner box 2 is opposite to the rotation direction of the thread 60, and the separation between the outer box 1 and the inner box 2 can be realized by screwing the thread 60, so that the operation is very convenient.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.
Claims (6)
1. The utility model provides an asphalt pavement thickness detects sampling device which characterized in that, asphalt pavement thickness detects sampling device includes:
the external box comprises an external box body (1) and an internal box body (2), wherein the external box body (1) and the internal box body (2) are tightly connected through threads; sampling holes (3) are formed in the side walls of the outer box body (1) and the inner box body (2);
the top of the inner box body (2) is provided with a guide hole (5), one end of the ejector rod (4) penetrates through the guide hole (5) and extends into the inner box body (2), and the outer wall of the ejector rod (4) is provided with scales (40);
still be equipped with telescopic machanism in interior box body (2), can drive ejector pin (4) are flexible along vertical direction.
2. The asphalt pavement thickness detection sampling device according to claim 1, characterized in that the bottom end of the ejector rod (4) is inserted into the inner box body (2) and is fixedly connected with a connecting sleeve (6), and the outer wall of the connecting sleeve (6) and the inner wall of the inner box body (2) are provided with threads (60) matched with each other.
3. The asphalt pavement thickness detection sampling device according to claim 2, wherein the telescopic mechanism is a spring (7) arranged in the inner box body (2).
4. The asphalt pavement thickness detection sampling device according to claim 3, characterized in that a partition plate (8) is further arranged between the connecting sleeve (6) and the spring (7), and the partition plate (8) is in sliding sealing connection with the inner wall of the inner box body (2); the inner box body (2) is divided into an upper cavity (20) and a lower cavity (21) which are independent of each other by the partition board (8).
5. The asphalt pavement thickness detection sampling device according to claim 1, characterized in that the top of the ejector rod (4) is fixedly connected with a hexagonal column head which can be disassembled by matching with an external hexagonal wrench with a corresponding size.
6. The asphalt pavement thickness detection sampling device according to claim 1, characterized in that a guide sleeve (9) is fixedly connected in the guide hole (5) to enable the push rod (4) to slide along the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921542901.8U CN210464304U (en) | 2019-09-17 | 2019-09-17 | Bituminous paving thickness detection sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921542901.8U CN210464304U (en) | 2019-09-17 | 2019-09-17 | Bituminous paving thickness detection sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210464304U true CN210464304U (en) | 2020-05-05 |
Family
ID=70433599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921542901.8U Expired - Fee Related CN210464304U (en) | 2019-09-17 | 2019-09-17 | Bituminous paving thickness detection sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210464304U (en) |
-
2019
- 2019-09-17 CN CN201921542901.8U patent/CN210464304U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200505 Termination date: 20210917 |