CN217006791U - Automatic temperature measurement type penetration depth measuring instrument for asphalt pavement - Google Patents
Automatic temperature measurement type penetration depth measuring instrument for asphalt pavement Download PDFInfo
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- CN217006791U CN217006791U CN202122597832.4U CN202122597832U CN217006791U CN 217006791 U CN217006791 U CN 217006791U CN 202122597832 U CN202122597832 U CN 202122597832U CN 217006791 U CN217006791 U CN 217006791U
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Abstract
The utility model relates to the technical field of detection equipment, in particular to an automatic temperature measurement type penetration depth measuring instrument for an asphalt pavement, which comprises a support, wherein a connecting rod is arranged on the support, a drop hammer is arranged at one end of the connecting rod, a pressure head is arranged at one end of the drop hammer, which is far away from the connecting rod, and the connecting rod is movably arranged relative to the support in the axial direction of the connecting rod; be equipped with displacement sensor on the connecting rod, the one end that the support is close to the pressure head is equipped with temperature sensor, and displacement sensor and temperature sensor connect the information processing unit. The measuring instrument can measure the temperature information of a fixed point of the asphalt pavement while performing injection measurement, and the information processing unit acquires the relevant information of the injection depth and the temperature, so that the accuracy of measurement is ensured, the manual independent measurement operation is avoided, the error is reduced, and the efficiency of the measurement work is improved; the guide device reduces the alignment error and improves the measurement accuracy; the spindle type pressure head effectively prolongs the service life of the pressure head and improves the durability of the device.
Description
Technical Field
The utility model relates to the technical field of detection equipment, in particular to an automatic temperature measurement type penetration depth measuring instrument for an asphalt pavement.
Background
The penetration test of asphalt mainly takes penetration as the current, however, with the development of asphalt mixture technology, the penetration index of asphalt can not meet the requirements of the current material performance, so that a ball penetration depth measuring instrument is introduced for measuring the penetration of asphalt non-needle of asphalt mixture pavement and asphalt mixture test pieces formed by rolling and used for evaluating the shear failure resistance of asphalt pavement.
However, the penetration depth of the asphalt pavement has a great relationship with the temperature, and the temperature measurement error directly influences the accuracy of the penetration depth. The existing asphalt pavement ball penetration depth measuring instrument does not have the function of acquiring the temperature of the asphalt pavement when detecting the depth, different testers adopt the same testing device to operate, the difference of the obtained result is large, the measured data has errors, and the artificial independent measurement of the pavement temperature leads to the complexity of the measurement work, the influence on the working efficiency and the easy generation of errors; meanwhile, the traditional ball penetration depth measuring instrument is single in structure, needs to artificially keep the verticality of a drop rod, is high in operation difficulty, and easily generates measuring errors when the verticality is improperly controlled, and a pressure head in the existing asphalt pavement ball penetration depth measuring instrument is hemispherical, is easily crushed by aggregates of an asphalt road surface, and is short in service life.
SUMMERY OF THE UTILITY MODEL
The utility model provides an automatic temperature measurement type asphalt pavement penetration depth measuring instrument, which is used for solving the defect that the traditional ball penetration depth measuring instrument in the prior art does not have the integration of fixed point depth measurement and temperature measurement, realizing the fixed point depth measurement and the temperature measurement of asphalt pavement so as to obtain accurate depth and temperature related information, and thus intelligently obtaining the accurate penetration depth information of asphalt pavement.
The utility model provides an automatic temperature measurement type penetration depth measuring instrument for an asphalt pavement, which comprises a support, wherein a connecting rod is arranged on the support, a drop hammer is arranged at one end of the connecting rod, a pressure head is arranged at one end of the drop hammer, which is far away from the connecting rod, and the connecting rod is movably arranged relative to the support in the axial direction of the connecting rod;
be equipped with displacement sensor on the connecting rod, the support is close to the one end of pressure head is equipped with temperature sensor, displacement sensor with temperature sensor connects the information processing unit.
According to the automatic temperature measurement type penetration depth measuring instrument for the asphalt pavement, provided by the utility model, the support is provided with the guide device, and the connecting rod penetrates through the guide device and is movably arranged on the support.
According to the asphalt pavement automatic temperature measurement type penetration depth measuring instrument provided by the utility model, the guide device comprises at least two positioning bearings which are coaxially arranged, and the connecting rod penetrates through the positioning bearings.
According to the automatic temperature measurement type penetration depth measuring instrument for the asphalt pavement, provided by the utility model, the connecting rod is arranged in the support, and one end of the connecting rod, which is far away from the drop hammer, extends out of the support.
According to the automatic temperature measurement type penetration depth measuring instrument for the asphalt pavement, a handle is arranged at one end, far away from the drop hammer, of the connecting rod, and the displacement sensor is arranged on the handle.
According to the automatic temperature measurement type penetration depth measuring instrument for the asphalt pavement, a base is arranged at one end, close to the pressure head, of the support, and the temperature sensor is arranged on the base.
According to the automatic temperature measurement type penetration depth measuring instrument for the asphalt pavement, provided by the utility model, the horizontal bubbles are arranged on the bracket.
According to the automatic temperature measurement type penetration depth measuring instrument for the asphalt pavement, provided by the utility model, the safety pin for fixing the connecting rod is arranged on the bracket.
According to the automatic temperature measurement type penetration depth measuring instrument for the asphalt pavement, provided by the utility model, the information processing unit comprises a control box, and a display screen is arranged on the control box.
According to the automatic temperature measurement type penetration depth measuring instrument for the asphalt pavement, provided by the utility model, the pressure head is of a steel spindle type.
The utility model provides an automatic temperature measurement type penetration depth measuring instrument for an asphalt pavement, wherein a connecting rod is arranged on a support, a drop hammer is arranged at one end of the connecting rod, a pressure head is arranged at one end of the drop hammer, which is far away from the connecting rod, and the connecting rod is movably arranged relative to the support in the axial direction of the connecting rod; be equipped with displacement sensor on the connecting rod, the one end that the support is close to the pressure head is equipped with temperature sensor, and displacement sensor and temperature sensor connect the information processing unit. The measuring instrument can measure the temperature information of the point while the fixed-point penetration measurement of the asphalt pavement is carried out, and the related information of the penetration depth and the temperature is acquired through the information processing unit, so that the accuracy of measurement is guaranteed, manual independent measurement operation is avoided, errors are reduced, and the efficiency of measurement work is improved.
Furthermore, the device adds the guider, guarantees the straightness that hangs down of connecting rod whereabouts, has avoided the manual work to keep the pole that falls to hang down straightness and produces measuring error when improper, has improved the convenience that the device used, further promotes and measures the accuracy.
Furthermore, the device changes the traditional hemispherical pressure head into a spindle type, so that the service life of the pressure head is effectively prolonged, and the durability of the device is improved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an automatic temperature-measuring penetration depth measuring instrument for asphalt pavement according to the present invention;
FIG. 2 is a schematic view of the head structure of the automatic temperature-measuring penetration depth measuring instrument for asphalt pavement according to the present invention;
FIG. 3 is a schematic structural view of a guiding device of the automatic temperature measuring penetration depth measuring instrument for asphalt pavement according to the present invention;
FIG. 4 is a schematic structural diagram of a control box of the automatic temperature measuring penetration depth measuring instrument for asphalt pavement according to the present invention;
reference numerals are as follows:
1: a handle; 2: a displacement sensor; 3: a guide device;
4: horizontal bubbles; 5: a shear pin; 6: a support;
7: a connecting rod; 8: dropping a hammer; 9: a base;
10: a pressure head; 11: a temperature sensor; 12: a control box;
13: a display screen; 31: and positioning the bearing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, an embodiment of the present invention provides an automatic temperature measurement type penetration depth measuring instrument for asphalt pavement, which includes a support 6, wherein the support 6 is frame-shaped, a straight rod-shaped connecting rod 7 is disposed inside the frame of the support 6, and the connecting rod 7 is parallel to the support 6 and can move up and down in the support 6.
The one end of connecting rod 7 is equipped with the hammer 8 that falls, and the pressure head 10 is installed to the one end that the connecting rod 7 was kept away from to the hammer 8 that falls promptly in the bottom of hammer 8 for penetrate into bituminous paving and carry out the measuring depth. The other end of the connecting rod 7 extends out of the bracket 6, and the part of the connecting rod 7 extending out of the bracket 6 is fixedly connected with the handle 1. The handle 1 can be provided with a position meter, preferably, the displacement sensor 2 can be adopted, and the handle 1 is fixedly connected with the connecting rod 7 and the pressure head 10, so that the displacement of the pressure head 10 can be measured, and the penetration depth of the pressure head 10 can be obtained.
One end of the support 6, which is far away from the handle 1, is provided with a base 9, so that the support 6 can be stably placed on an asphalt pavement during measurement, and the connecting rod 7 is movably arranged relative to the support 6 in the axial direction of the connecting rod 7, thereby driving the falling hammer 8 and the pressure head 10 to move. Be equipped with safety pin 5 on the support 6, safety pin 5 can carry on spacingly to connecting rod 7, when not using, can fix connecting rod 7 on support 6, prevents that connecting rod 7 from removing for support 6. Horizontal bubbles 4 are further arranged above the support 6, so that the vertical condition of the support 6 can be detected, and the accuracy of measurement is guaranteed.
In this embodiment, the temperature sensor 11 is installed on the base 9 of the bracket 6, and because the base 9 is close to the road surface during operation, the temperature sensor 11 can accurately measure the temperature of the road surface. As shown in fig. 4, the device is further provided with an external information processing unit, namely a control box 12, the displacement sensor 2 and the temperature sensor 11 are connected with the control box 12, and a display screen 13 is arranged on the control box 12. The information processing unit can measure the temperature value of this point when measuring fixed point bituminous paving penetration depth to carry out analysis and record to degree of depth information and corresponding temperature information, and show relevant parameter information on display screen 13, measured penetration depth information alright reachs real penetration depth information under the temperature condition that corresponds, thereby guaranteed the measuring accuracy of the device. The information processing unit also improves the intelligent level of the device, and is simpler and more practical.
Further, as shown in fig. 1, in the present embodiment, the guide device 3 is provided on the bracket 6, the guide device 3 is provided above the bracket 6, and the connecting rod 7 is movably provided on the bracket 6 through the guide device 3. Specifically, as shown in fig. 3, the guiding device 3 includes at least two positioning bearings 31 coaxially disposed, and the connecting rod 7 vertically penetrates through the two positioning bearings 31. Carry on spacingly to connecting rod 7 through two location bearing 31, can guarantee the verticality of connecting rod 7, guarantee that connecting rod 7 can not take place the skew at vertical whereabouts in-process, reduce the mutual friction between connecting rod 7 and the support 6 simultaneously, guarantee the straightness that hangs down of connecting rod 7 whereabouts, avoided the manual work to keep the pole that falls to hang down straightness production measuring error when improper, improved the convenience of device use, further promote and measure the accuracy.
As a further improvement, as shown in fig. 2, in this embodiment, the pressing head 10 is configured to be a spindle made of steel, and the spindle-shaped pressing head 10 can prolong the service life of the pressing head 10, and meanwhile, the overall structure of the ball penetration depth measuring instrument cannot be affected by too large contact points, so that the problem of short service life caused by the fact that the hemispherical pressing head is easily broken by the aggregate of the asphalt road surface is avoided.
When the device is used, the bracket 6 is vertically placed on an asphalt pavement to be detected, the base 9 is attached to an asphalt pavement test point to be detected, the displacement sensor 2 and the temperature sensor 11 are started, the safety pin 5 is opened, the connecting rod 7, the drop hammer 8 and the pressure head 10 are integrally and vertically lifted by the hand-held handle 1, when the height is raised to a preset height, the connecting rod 7 is put down, the connecting rod 7, the drop hammer 8 and the pressure head 10 are arranged to fall freely, the connecting rod 7 is positioned in the vertical direction by the guide device 3 to prevent deviation, the pressure head 10 falls into the asphalt pavement, at the moment, the depth of penetration of the pressure head 10 can be measured by the displacement sensor 2, the displacement sensor 2 sends information to the control box 12, meanwhile, the temperature sensor 11 measures and collects the temperature of the asphalt pavement at the falling point position, the temperature information is generated to the control box 12, the control box 12 analyzes and processes the depth information and the temperature information, and relevant parameter information is displayed on the display screen 13, and relevant information of the penetration depth and the temperature can be visually seen, so that the penetration depth information of the asphalt pavement can be accurately measured, the temperature inaccuracy of different operators using different temperature measuring equipment is avoided, and the measured data is more scientific and effective.
The bituminous paving automatic temperature measurement formula penetration depth measuring apparatu that this embodiment provided, through displacement sensor 2 and temperature sensor 11's application, can measure the temperature information of this point in bituminous paving fixed point penetration measurement, acquire the relevant information of penetration depth and temperature through information processing unit to guarantee the accurate nature of measuring, avoid artifical independent measuring operation, reduce the error, improve the efficiency of measurement work. Through adding guider 3, utilize the guide effect of bearing to reduce the artifical measuring error who keeps the straightness production that hangs down of drop bar when improper, it is more convenient to make the device use, and easy operation is favorable to promoting and measures the accuracy. The traditional hemispherical pressure head is changed into a spindle type, the steel spindle type pressure head 10 effectively prolongs the service life of the pressure head, and the durability of the device is improved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The automatic temperature measurement type penetration depth measuring instrument for the asphalt pavement is characterized by comprising a support (6), wherein a connecting rod (7) is arranged on the support (6), a drop hammer (8) is arranged at one end of the connecting rod (7), a pressure head (10) is arranged at one end, away from the connecting rod (7), of the drop hammer (8), and the connecting rod (7) is movably arranged relative to the support (6) in the axial direction of the connecting rod (7);
be equipped with displacement sensor (2) on connecting rod (7), support (6) are close to the one end of pressure head (10) is equipped with temperature sensor (11), displacement sensor (2) with information processing unit is connected in temperature sensor (11).
2. The asphalt pavement automatic temperature measurement type penetration depth measuring instrument according to claim 1, wherein a guide device (3) is arranged on the support (6), and the connecting rod (7) penetrates through the guide device (3) and is movably arranged on the support (6).
3. The asphalt pavement automatic temperature measurement type penetration depth measuring instrument according to claim 2, wherein the guide device (3) comprises at least two positioning bearings (31) coaxially arranged, and the connecting rod (7) is arranged to penetrate through the positioning bearings (31).
4. The asphalt pavement automatic temperature measurement type penetration depth measuring instrument according to claim 1, wherein the connecting rod (7) is arranged inside the bracket (6), and one end of the connecting rod, which is far away from the drop hammer (8), extends out of the bracket (6).
5. The asphalt pavement automatic temperature measurement type penetration depth measuring instrument according to claim 4, wherein a handle (1) is arranged at one end of the connecting rod (7) far away from the drop hammer (8), and the displacement sensor (2) is arranged on the handle (1).
6. The asphalt pavement automatic temperature measurement type penetration depth measuring instrument according to claim 1, wherein a base (9) is arranged at one end of the bracket (6) close to the pressure head (10), and the temperature sensor (11) is arranged on the base (9).
7. The asphalt pavement automatic temperature measurement type penetration depth measuring instrument according to claim 1, wherein the bracket (6) is provided with horizontal air bubbles (4).
8. The asphalt pavement automatic temperature measurement type penetration depth measuring instrument according to claim 1, wherein a safety pin (5) for fixing the connecting rod (7) is arranged on the bracket (6).
9. The asphalt pavement automatic temperature measurement type penetration depth measuring instrument according to claim 1, wherein the information processing unit comprises a control box (12), and a display screen (13) is arranged on the control box.
10. The asphalt pavement automatic temperature measuring penetration depth measuring instrument according to any one of claims 1 to 9, wherein the indenter (10) is of a steel spindle type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122597832.4U CN217006791U (en) | 2021-10-27 | 2021-10-27 | Automatic temperature measurement type penetration depth measuring instrument for asphalt pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122597832.4U CN217006791U (en) | 2021-10-27 | 2021-10-27 | Automatic temperature measurement type penetration depth measuring instrument for asphalt pavement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217006791U true CN217006791U (en) | 2022-07-19 |
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ID=82380435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122597832.4U Active CN217006791U (en) | 2021-10-27 | 2021-10-27 | Automatic temperature measurement type penetration depth measuring instrument for asphalt pavement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217006791U (en) |
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2021
- 2021-10-27 CN CN202122597832.4U patent/CN217006791U/en active Active
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