CN215629172U - Device for acquiring spreading thickness of spreading machine in real time through laser beam - Google Patents
Device for acquiring spreading thickness of spreading machine in real time through laser beam Download PDFInfo
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- CN215629172U CN215629172U CN202122207983.4U CN202122207983U CN215629172U CN 215629172 U CN215629172 U CN 215629172U CN 202122207983 U CN202122207983 U CN 202122207983U CN 215629172 U CN215629172 U CN 215629172U
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Abstract
The utility model provides a device for acquiring the paving thickness of a paver in real time through a laser beam, which relates to the technical field of asphalt thickness measurement, and comprises the following components: the paver body is used for paving the heated asphalt mixture to a horizontal ground and forming an asphalt layer; the upright post is vertically fixed on the paver body and extends upwards; the laser ranging device is fixedly arranged on the upright post; the method comprises the steps of firstly measuring the inclined distance between a laser beam emitting point of a laser ranging device and a laser beam projecting point on the upper surface of an asphalt layer, then measuring the included angle between the laser beam and a vertical surface, rotating the laser ranging device relative to a box body, measuring the perpendicular distance between the laser beam emitting point of the laser ranging device and a ground plane, calculating the thickness of the asphalt layer, and avoiding the problem that oil smoke generated on a construction site harms the health of workers.
Description
Technical Field
The utility model relates to the technical field of asphalt thickness measurement, in particular to a device for acquiring the paving thickness of a paver in real time through a laser beam.
Background
The paver is a construction equipment mainly used for paving various materials on a base layer and a surface layer of a highway. Various systems are mutually matched to finish the paving work, and the paving machine mainly comprises a walking system, a hydraulic system, a material conveying and distributing system and the like.
In the process of using the paver to lay the asphalt mixture to the ground level, because the temperature of the asphalt aggregate mixture on the construction site after being heated is very high, the temperature reaches about 120 ℃, the generated oil smoke is large, the manual mode is mostly adopted for the laying thickness measurement of the asphalt mixture generally, for example, the caliper rule is used for directly measuring the thickness of the asphalt mixture, and the harm of the oil smoke to the body of a worker is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for acquiring the paving thickness of a paver in real time through a laser beam, and aims to solve the problem that the thickness of an asphalt mixture is directly measured by a caliper artificially to harm the health of workers in the process of paving the asphalt mixture by the paver in the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme: an apparatus for acquiring a paving thickness of a paving machine in real time by a laser beam, comprising:
the paver body is used for paving the heated asphalt mixture to a horizontal ground and forming an asphalt layer;
the upright post is vertically fixed on the paver body and extends upwards;
the laser distance measuring device is fixedly arranged on the upright column and is used for measuring the inclined distance between the laser beam emission point of the laser distance measuring device and the projection point of the laser beam on the upper surface of the asphalt layer and the vertical distance between the laser beam emission point of the laser distance measuring device and the ground plane;
the box body, fixed connection is on the stand, the vertical rotation of laser rangefinder is connected in the box body.
According to a further technical scheme, a rotating shaft is fixedly connected to the outer surface of the laser ranging device along the longitudinal direction, and the rotating shaft is rotatably connected with the box body.
In order to enable the utility model to have the function of measuring the included angle between the laser beam and the vertical surface, the utility model has the further technical scheme that an angle measuring device for measuring the included angle between the laser beam emitted by the laser distance measuring device and the vertical surface is arranged on the box body and the rotating shaft.
According to a further technical scheme, the angle measuring device comprises an indicating needle fixedly connected to the rotating shaft and angle scale marks fixedly connected to the outer side of the box body, and the indicating needle points to the angle scale marks and is in the same straight line with a laser beam emitted by the laser ranging device.
In order to enable the utility model to have the function of limiting the rotation of the rotating shaft, the utility model further adopts the technical scheme that the utility model further comprises a fixing device for limiting the rotation of the rotating shaft.
According to a further technical scheme, the fixing device comprises a threaded sleeve fixedly connected to the outer side of the box body and a locking bolt in threaded connection with the threaded sleeve, and the lower end of the locking bolt penetrates through the threaded sleeve and abuts against the rotating shaft.
In order to enable the laser ranging device to have the effect of conveniently rotating the laser ranging device, the further technical scheme is that the top of the laser ranging device is fixedly connected with an adjusting handle.
According to a further technical scheme, the laser distance measuring device is a laser distance measuring instrument.
The utility model has the beneficial effects that:
when the thickness of measurement pitch layer, measure the inclined distance of laser beam shot point and laser beam at pitch layer upper surface projection point of laser rangefinder earlier, measure the contained angle of laser beam and vertical face after that, rotate laser rangefinder for the box body to measure the perpendicular distance of laser rangefinder's laser beam shot point and horizon, thereby calculate the thickness on pitch layer according to the trigonometric function, effectively avoid the oil smoke that the job site produced to endanger the healthy problem of staff.
Drawings
FIG. 1 is a schematic front view of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a case according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of the structure of the asphalt layer thickness measurement according to the embodiment of the present invention.
In the figure: 1. a paver body; 2. an asphalt layer; 3. a column; 4. a laser ranging device; 5. a box body; 6. a rotating shaft; 7. an angle measuring device; 71. an indicator needle; 72. angle scale lines; 8. a fixing device; 81. a threaded sleeve; 82. locking the bolt; 9. an adjusting handle.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 3, an apparatus for acquiring a paving thickness of a paving machine in real time by using a laser beam includes: the asphalt paving machine comprises a paver body 1, wherein the paver body 1 is used for paving a heated asphalt mixture to a horizontal ground and forming an asphalt layer 2; the upright column 3 is vertically fixed on the paver body 1 and extends upwards; the laser distance measuring device 4 is fixedly arranged on the upright post 3 and is used for measuring the inclined distance between the laser beam emission point of the laser distance measuring device 4 and the projection point of the laser beam on the upper surface of the asphalt layer 2 and the vertical distance between the laser beam emission point of the laser distance measuring device 4 and the ground plane; box body 5, fixed connection is on stand 3, and the vertical rotation of laser rangefinder 4 is connected in box body 5.
In this embodiment, when measuring the thickness of pitch layer 2, measure the slant distance of laser beam shot point and laser beam at pitch layer 2 upper surface projection point of laser range unit 4 earlier, measure the contained angle of laser beam and vertical face after that, rotate laser range unit 4 for box body 5 to measure the perpendicular distance of laser beam shot point and ground plane of laser range unit 4, thereby calculate the thickness of pitch layer 2 according to trigonometric function, effectively avoid the oil smoke that the job site produced to endanger the healthy problem of staff.
As shown in fig. 4, the inclined distance between the laser beam emitting point of the laser distance measuring device 4 and the projection point of the laser beam on the upper surface of the asphalt layer 2 is c, the vertical distance between the laser beam emitting point of the laser distance measuring device 4 and the ground plane is a, the angle of h is 90 degrees, after the angle of the included angle r between the vertical plane and the laser beam is calculated through measurement, the angle of n is 180-90-r, the vertical distance k between the laser distance measuring device 4 and the upper surface of the asphalt layer 2 can be calculated according to a trigonometric function as sin180-90-rc, and finally the thickness of the asphalt layer 2 is calculated as f-a-k.
Specifically, the outer surface of the laser ranging device 4 is fixedly connected with a rotating shaft 6 along the longitudinal direction, and the rotating shaft 6 is rotatably connected with the box body 5.
Specifically, the box body 5 and the rotating shaft 6 are provided with an angle measuring device 7 for measuring an included angle between a laser beam emitted by the laser ranging device 4 and a vertical surface.
Specifically, angle measuring device 7 includes pointer 71 and the angle scale mark 72 of fixed connection in the box body 5 outside of fixed connection on pivot 6, and pointer 71 points to angle scale mark 72 and is on same straight line with the laser beam that laser rangefinder 4 launched, through observing the position of pointer 71 instruction angle scale mark 72, can artifically adjust the contained angle between vertical face and the laser beam.
In particular, the device also comprises a fixing device 8 for limiting the rotation of the rotating shaft 6.
Specifically, the fixing device 8 includes a threaded sleeve 81 fixedly connected to the outer side of the box body 5 and a locking bolt 82 in threaded connection with the threaded sleeve 81, the lower end of the locking bolt 82 penetrates through the threaded sleeve 81 and abuts against the rotating shaft 6, and when the lower end of the locking bolt 82 abuts against the rotating shaft 6, the problem of limiting the rotation of the rotating shaft 6 is solved.
Specifically, the top fixedly connected with adjustment handle 9 of laser rangefinder 4 through setting up adjustment handle 9 to conveniently rotate laser rangefinder 4.
Specifically, the laser distance measuring device 4 is a laser distance measuring instrument.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a device of real-time acquisition paver thickness that paves through laser beam which characterized in that includes: the asphalt paving machine comprises a paver body (1), wherein the paver body (1) is used for paving a heated asphalt mixture to a horizontal ground and forming an asphalt layer (2);
the upright post (3) is vertically fixed on the paver body (1) and extends upwards;
the laser distance measuring device (4) is fixedly arranged on the upright post (3) and is used for measuring the inclined distance between the laser beam emitting point of the laser distance measuring device (4) and the projection point of the laser beam on the upper surface of the asphalt layer (2) and the vertical distance between the laser beam emitting point of the laser distance measuring device (4) and the ground plane;
box body (5), fixed connection is on stand (3), the vertical rotation of laser rangefinder (4) is connected in box body (5).
2. The device for acquiring the paving thickness of the paver in real time through the laser beam as claimed in claim 1, characterized in that the outer surface of the laser distance measuring device (4) is fixedly connected with a rotating shaft (6) along the longitudinal direction, and the rotating shaft (6) is rotatably connected with the box body (5).
3. The device for acquiring the paving thickness of the paver in real time through the laser beam as claimed in claim 2, characterized in that the box body (5) and the rotating shaft (6) are provided with angle measuring devices (7) for measuring the included angle between the laser beam emitted by the laser distance measuring device (4) and the vertical surface.
4. The device for acquiring the paving thickness of the paver in real time through the laser beam as claimed in claim 3, characterized in that the angle measuring device (7) comprises an indicating needle (71) fixedly connected to the rotating shaft (6) and angle scale marks (72) fixedly connected to the outer side of the box body (5), and the indicating needle (71) points to the angle scale marks (72) and is in the same straight line with the laser beam emitted by the laser ranging device (4).
5. The device for real-time acquisition of the paving thickness of a paving machine by means of a laser beam according to claim 3 or 4, characterized by further comprising a fixing device (8) for limiting the rotation of the rotating shaft (6).
6. The device for acquiring the paving thickness of the paver in real time through the laser beam as claimed in claim 5, wherein the fixing device (8) comprises a threaded sleeve (81) fixedly connected to the outer side of the box body (5) and a locking bolt (82) in threaded connection with the threaded sleeve (81), and the lower end of the locking bolt (82) penetrates through the threaded sleeve (81) and abuts against the rotating shaft (6).
7. The device for real-time acquisition of the paving thickness of a paving machine through a laser beam as claimed in any one of claims 1 to 4, characterized in that an adjusting handle (9) is fixedly connected to the top of the laser distance measuring device (4).
8. The device for real-time acquisition of the paving thickness of a paving machine by means of a laser beam according to claim 1, characterized in that the laser distance measuring device (4) is a laser distance meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122207983.4U CN215629172U (en) | 2021-09-13 | 2021-09-13 | Device for acquiring spreading thickness of spreading machine in real time through laser beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122207983.4U CN215629172U (en) | 2021-09-13 | 2021-09-13 | Device for acquiring spreading thickness of spreading machine in real time through laser beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215629172U true CN215629172U (en) | 2022-01-25 |
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ID=79915457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122207983.4U Active CN215629172U (en) | 2021-09-13 | 2021-09-13 | Device for acquiring spreading thickness of spreading machine in real time through laser beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215629172U (en) |
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2021
- 2021-09-13 CN CN202122207983.4U patent/CN215629172U/en active Active
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