CN211651525U - System for measuring and calculating radius and deflection angle of circular curve of road curve - Google Patents
System for measuring and calculating radius and deflection angle of circular curve of road curve Download PDFInfo
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- CN211651525U CN211651525U CN202020556441.0U CN202020556441U CN211651525U CN 211651525 U CN211651525 U CN 211651525U CN 202020556441 U CN202020556441 U CN 202020556441U CN 211651525 U CN211651525 U CN 211651525U
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Abstract
The utility model discloses a system for calculating radius of round curve of highway bend and declination, its technical scheme is: the device comprises a detection device and an adjustable barrier, wherein the detection device comprises a shell, a laser sensor and a data processor, wherein the laser sensor and the data processor are arranged in the shell; the data processor is connected with the laser sensor and used for processing the data detected by the laser sensor and calculating the radius and the deflection angle of the circular curve; the adjustable barrier is used for reflecting a light source of a laser sensor and comprises a reflecting screen and an adjustable support arranged at the bottom of the reflecting screen. The utility model is simple in operation, the practicality is strong, can calculate the result automatically through built-in data processor to show by the display, can save a large amount of manpowers and material resources, reduce the measuring and calculating time greatly.
Description
Technical Field
The utility model relates to a measure technical field, especially relate to a system for calculating of highway bend circular curve radius and declination.
Background
The method has the advantages that the breadth of our country is wide, the mileage of low-grade curves is large, the method is limited by terrain or land area, the linearity is complex, the technical index is low, the proportion of sharp curves and continuous curves with poor sight distance conditions is high, and particularly, traffic accidents are easy to happen in a curve section of one main curve. Statistics shows that the number of traffic accidents in the curve section in China accounts for about 10% of the total number of accidents, and the curve death accidents account for nearly 20% of all the death accidents in terms of the severity of the accidents. The radius and the deflection angle of the curve circle curve are important indexes for judging whether the curve has potential safety hazards, if the radius of the curve circle curve is too small and the deflection angle is too large, sharp turning can be caused, the driving difficulty can be greatly improved, and traffic accidents are easily caused.
At present, the traditional methods of field measurement and manual calculation are still adopted for calculating the radius and the deflection angle of the circular curve of the road curve, the calculation process is too complicated, and in addition, an obstacle can be encountered during field measurement, so that the field measurement cannot be carried out, and further, the radius and the deflection angle cannot be obtained.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a system for calculating of highway bend circular curve radius and declination, easy operation, the practicality is strong, can calculate the result automatically through built-in data processor to show by the display, can save a large amount of manpowers and material resources, reduce the time of calculating greatly.
The utility model adopts the following technical proposal:
an embodiment of the utility model provides a system for calculating of highway bend circular curve radius and declination, include:
the detection device comprises a shell, a laser sensor and a data processor, wherein the laser sensor and the data processor are arranged in the shell, and the laser sensor is used for determining coordinates of a starting point and an ending point of a circular curve of a road curve; the data processor is connected with the laser sensor and used for processing the data detected by the laser sensor and calculating the radius and the deflection angle of the circular curve;
the adjustable barrier is used for reflecting a light source of the laser sensor and comprises a reflecting screen and an adjustable support arranged at the bottom of the reflecting screen.
Furthermore, the shell is provided with a display screen, and the display screen is connected with the data processor and used for displaying the data calculated by the data processor.
Furthermore, the shell is provided with a laser emission hole, and the laser sensor is arranged in the shell and corresponds to the position of the laser emission hole.
Furthermore, a power supply is arranged inside the shell.
Further, shift knob, laser start button, reset button and demonstration button are installed to the casing, shift knob connects power supply, and laser sensor is connected to laser start button, and laser sensor, data processor are connected to the reset button, and the display screen is connected to the demonstration button.
Furthermore, the adjustable support comprises a support rod with adjustable height and a base fixed at the bottom of the support rod.
Furthermore, the supporting rod is a telescopic rod, a plurality of round holes are formed in the supporting rod in the vertical direction, and bolts are screwed into the round holes in the corresponding positions to adjust the height.
A method for measuring and calculating the radius and deflection angle of a round curve of a road curve adopts the measuring and calculating system, and comprises the following steps:
respectively placing adjustable barriers at the starting point and the ending point of a round curve of a highway;
step (2) the detection device is arranged at any position between the starting point and the end point, and the laser starting button is pressed down to respectively emit laser to the adjustable barriers of the starting point and the end point; and then pressing a display button to obtain the radius and deflection angle data of the round curve of the road curve.
Further, in the step (1), the height of the adjustable barrier is adjusted, so that the light source emitted by the laser emitter is parallel to the horizontal plane.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) one or more embodiments of the utility model can measure the coordinates of the starting point and the terminal point through the laser sensor, automatically calculate the result through the data processor, do not need to carry out subsequent calculation, display the result through the display, save a large amount of manpower and material resources and greatly reduce the measuring and calculating time;
(2) the utility model discloses an adjustable protective screen is set up to one or more embodiment for reflection laser sensor's light source, the location coordinate that makes laser sensor can be accurate guarantees the reliability of data.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic structural view of a detection device according to a first embodiment of the present invention;
fig. 2 is a schematic view of an adjustable supporting structure according to a first embodiment of the present invention;
fig. 3 is a schematic diagram of a first embodiment of the present invention;
wherein, 1, laser emission hole, 2, display screen, 3, shift knob, 4, laser start button, 5, reset button, 6, show button, 7, reflection of light screen, 8, bracing piece, 9, base, 10, bolt, 11, round hole.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
the terms "mounted", "connected", "fixed", and the like in the present application should be understood broadly, and for example, the terms "mounted", "connected", and "fixed" may be fixedly connected, detachably connected, or integrated; the two elements may be connected directly or indirectly through an intermediate medium, or the two elements may be connected internally or in an interaction relationship, and those skilled in the art can understand the specific meaning of the above terms in the present invention according to the specific situation.
The first embodiment is as follows:
the present invention will be described in detail with reference to the accompanying drawings 1-3, and specifically, the structure is as follows:
the embodiment provides a measuring and calculating system for radius and deflection angle of a round curve of a road curve, which comprises a detection device and an adjustable barrier, wherein the detection device comprises a laser sensor for determining coordinates of a starting point and an ending point of the round curve and a data processor for processing data of the laser sensor; the adjustable barrier is used to reflect the light source of the laser sensor.
Furthermore, the detection device further comprises a shell, and the laser sensor and the data processor are both arranged inside the shell. The display screen 2 is installed to the casing outside, and 2 tops on the display screen are equipped with laser emission hole 1, and laser sensor sets up in the inside and laser emission hole 1 corresponding position of casing.
The display screen 2 below is equipped with shift knob 3, laser start button 4, reset button 5, shows button 6, and shift knob 3, laser start button 4, reset button 5, the mounted position that shows button 6 can be set for according to actual operating conditions. The laser start button 4 is connected with the laser sensor and used for starting or closing the laser sensor; a display button 6 is connected to the display 2 for activating or deactivating the display 2. The switch button 3 is connected with a power supply, the reset button 5 is connected with the laser sensor and the data processor, and the laser sensor and the data processor can be restored to the initial working state so as to carry out the next measurement and calculation.
The laser sensor is connected with the data processor, the data processor is connected with the display screen 2, the laser sensor measures coordinate data of a starting point and an end point of the radius of the curve circle of the curve, and transmits the data to the data processor; the data processor processes the data, calculates the radius and the deflection angle of the curve circle curve of the curve and displays the calculation result through the display screen 2.
And a power supply is also arranged in the shell and is connected with the laser sensor and the display screen 2.
In the embodiment, the shell is a cuboid, the length of the shell is 15-20cm, the width of the shell is 8-12cm, and the thickness of the shell is 5-6 cm; the diameter of the laser emitting hole 1 is 0.2-0.3cm, the length of the display screen 2 is 5-9cm, and the width of the display screen is 4-6 cm; the switch button 3, the laser start button 4, the reset button 5 and the display button 6 are circular and have the diameter of 1-2 cm.
The adjustable barrier is used for reflecting a light source of a laser sensor and comprises a reflecting screen 7 and an adjustable support arranged at the bottom of the reflecting screen 7, and the height of the reflecting screen 7 is adjusted through the adjustable support.
Furthermore, the adjustable support comprises a support rod 8 and a base 9 fixed at the bottom of the support rod 8, the support rod 8 is a telescopic rod, a plurality of round holes 11 are formed in the support rod 8 in the vertical direction, the support rod 8 stretches to a certain height, and the support rod is fixed by screwing bolts 10 into the round holes 11 at corresponding positions.
In this embodiment, the screen 7 is in the shape of a rectangle having a length of 60-80cm and a width of 50-60 cm. In order to observe whether the laser irradiates the screen, the screen should be white as much as possible. The base 9 is a solid disc with a diameter of 30-40cm and a thickness of 2-4cm and is used for fixing the position of the reflecting screen 7.
In this embodiment, the support bar 8 is composed of two hollow quadrangular prisms and a bolt 10, the outer dimensions of the small prism are 5-6cm long, 3-4cm wide and 100-plus-150 cm high, the thickness is 0.5cm, the inner dimensions of the large prism (sleeved outside the small prism) are 5.2-6.2cm long, 3.2-4.2cm wide and 100-plus-150 cm high, and the thickness is 0.5 cm. Round holes 11 with the diameter of 1.5-2.5cm are taken every 10cm of the prism. The two hollow quadrangular columns are connected through a round hole 11 by a bolt 10, the diameter of the bolt 10 is 1.5-2.5cm, and the height of the barrier can be adjusted through the bolt 10.
The method for measuring and calculating the radius and deflection angle of the round curve of the road curve comprises the following steps:
as shown in fig. 3, three points A, B, C are selected at the measured curve, where point a is selected at the start of the round curve of the road curve, point C is selected at the end of the round curve of the road curve, and point B is any point on the round curve. The detection device is placed at point B and adjustable barriers are placed at points a and C.
The heights of the reflective screens 7 at the points a and C are adjusted so that the laser emitted from the laser emitters is parallel to the horizontal plane. The tester holds the device by hand at point B (pay attention to ensure that the laser is parallel to the horizontal plane), presses the laser start button 4, and respectively emits laser to the point B reflective screen 7 and the point C reflective screen 7, so as to obtain the coordinates of point A and point C. Then, the display button 9 is pressed, and the radius and the declination angle of the road circular curve are displayed through the display screen 2.
Furthermore, in consideration of the problem of barrier shielding, the laser sensor is arranged at any point B on the circular curve, and the coordinate is (0, 0); point A is the starting point of the circular curve and has the coordinate of (x)A，yA) (ii) a The end point of the C point circular curve with the coordinate of (x)C，yC)。
Assuming that the coordinate of the center 0 is (x, y), the formula (i), (ii) can be obtained from R ═ OA ═ OB ═ OC:
x2+y2＝(x-xA)2+(y-yA)2①
x2+y2＝(x-xC)2+(y-yC)2②
the finishing agent can be obtained by finishing,
then the coordinates of the circle center 0 are (n, m).
The radius of the curve is
Further, the formula (v) can be obtained:
then the deflection angle of the curve can be obtained as
The embodiment can simply and efficiently obtain the radius and the deflection angle of the circular curve of the existing road through field measurement without looking up the original road design drawing. The method can be used for detecting the design and construction quality of the road curve, can also be used for evaluating the safety of the road curve, and has wide application prospect.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (7)
1. A system for measuring and calculating radius and deflection angle of a round curve of a road curve is characterized by comprising:
the detection device comprises a shell, a laser sensor and a data processor, wherein the laser sensor and the data processor are arranged in the shell, and the laser sensor is used for determining coordinates of a starting point and an ending point of a circular curve of a road curve; the data processor is connected with the laser sensor and used for processing the data detected by the laser sensor and calculating the radius and the deflection angle of the circular curve;
the adjustable barrier is used for reflecting a light source of the laser sensor and comprises a reflecting screen and an adjustable support arranged at the bottom of the reflecting screen.
2. The system for measuring and calculating the radius and the declination angle of a round curve of a road curve according to claim 1, wherein the shell is provided with a display screen, and the display screen is connected with the data processor and used for displaying data calculated by the data processor.
3. The system for measuring and calculating the radius and the declination angle of a round curve of a road curve according to claim 1, wherein the housing is provided with a laser emitting hole, and the laser sensor is arranged inside the housing and corresponds to the position of the laser emitting hole.
4. The system for measuring and calculating the radius and the declination angle of a round curve of a road curve according to claim 2, wherein a power supply is installed inside the shell.
5. The system for measuring and calculating the radius and the declination angle of a round curve of a road curve according to claim 4, wherein the shell is provided with a switch button, a laser starting button, a reset button and a display button, the switch button is connected with a power supply, the laser starting button is connected with the laser sensor, the display button is connected with the display screen, and the reset button is connected with the laser sensor and the data processor.
6. The system for measuring and calculating the radius and the declination angle of a round curve of a road curve according to claim 1, wherein the adjustable support comprises a support rod with adjustable height and a base fixed at the bottom of the support rod.
7. The system for measuring and calculating the radius and the declination angle of a round curve of a road curve according to claim 6, wherein the supporting rod is a telescopic rod, a plurality of round holes are formed in the supporting rod in the vertical direction, and bolts are screwed into the round holes at corresponding positions to adjust the height of the supporting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020556441.0U CN211651525U (en) | 2020-04-15 | 2020-04-15 | System for measuring and calculating radius and deflection angle of circular curve of road curve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020556441.0U CN211651525U (en) | 2020-04-15 | 2020-04-15 | System for measuring and calculating radius and deflection angle of circular curve of road curve |
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| CN211651525U true CN211651525U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020556441.0U Expired - Fee Related CN211651525U (en) | 2020-04-15 | 2020-04-15 | System for measuring and calculating radius and deflection angle of circular curve of road curve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351445A (en) * | 2020-04-15 | 2020-06-30 | 山东大学 | System and method for measuring and calculating radius and deflection angle of circular curve of road curve |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351445A (en) * | 2020-04-15 | 2020-06-30 | 山东大学 | System and method for measuring and calculating radius and deflection angle of circular curve of road curve |
| CN111351445B (en) * | 2020-04-15 | 2024-08-09 | 山东大学 | System and method for measuring and calculating circular curve radius and deflection angle of road curve |
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Granted publication date: 20201009 Termination date: 20210415 |