Road cross slope detection device and detection method

Abstract

The invention provides a road cross slope detection device and a detection method, the road cross slope detection device comprises two base assemblies, a fixed rod, a reference rod and a measurement assembly, one base assembly is used as a reference end, the other base assembly is used as a test end, the reference rod is arranged between the two base assemblies, and a positioner is arranged on the reference rod; the reference rod is adjusted to be horizontal through the positioner, the measuring assembly is movably arranged on the fixed rod and the reference rod, when the reference rod is in the horizontal state, the measuring assembly moves between the two base assemblies and measures the height difference between the two base assemblies, and the fixed rod is further provided with scales. The moving distance of the measuring assembly between the base assemblies is obtained through the scales, cross slope parameters can be obtained by dividing the height difference by the distance between the two points displayed through the scales, and the device is simple in measuring process, does not need to be matched by multiple persons and can adapt to detection at the position of a curve.

Description

Technical Field

[0001] The present invention relates to the technical field of cross slope detection, and in particular to a road cross slope detection device and a detection method. Background Art

[0002] The cross slope is an important control indicator for road inspection. In the current road inspection process, the cross slope parameter is mainly calculated by measuring the height difference between the center line and the side line of the road using a level. Although this method can accurately measure the cross slope of the road, it has the following shortcomings:

[0003] 1. Leveling measurement should be carried out on straight road lines, as the error is relatively large at bends;

[0004] 2. The measurement process is complicated and requires cooperation from multiple people;

[0005] 3. The professional level of operators is required to be high. Summary of the invention

[0006] Therefore, the technical problem to be solved by the present invention is that the method of using a level to measure the height difference between the center line and the side line of the road to calculate and obtain the cross slope parameters in the prior art has many disadvantages.

[0007] To this end, the present invention provides a road cross slope detection device, comprising:

[0008] two base assemblies;

[0009] A fixing rod, both ends of which are respectively connected to the two base components, and the fixing rod is provided with a scale;

[0010] A reference rod, both ends of which are connected to the two base assemblies respectively, and a positioner is provided on the reference rod; the reference rod is arranged on the upper side of the fixed rod;

[0011] A measuring component is movably arranged on the fixing rod and the reference rod, and the measuring component is configured to move between the two base components and measure the height difference between the two base components.

[0012] Two base assemblies are arranged, with one base assembly as a reference end and the other base assembly as a test end. A reference rod is arranged between the two base assemblies and a positioner is arranged on the reference rod. The reference rod is adjusted to be horizontal through the positioner, and a measuring assembly is movably arranged on the fixed rod and the reference rod. When the reference rod is in a horizontal state, the measuring assembly moves between the two base assemblies and measures the height difference between the two base assemblies. A scale is further arranged on the fixed rod. The distance moved by the measuring assembly between the base assemblies is obtained through the scale. The cross slope parameter can be obtained by dividing the height difference by the distance between the two points displayed by the scale. The measuring process of this device is simple, does not require the cooperation of multiple people, and can adapt to the detection at curves.

[0013] Optionally, any of the base components comprises:

[0014] Base frame;

[0015] A central axis rod is perpendicular to the base frame and passes through the base frame;

[0016] A knob handle connected to the base frame, wherein the knob handle is coupled to the central axis rod;

[0017] The central axis rod is configured to be driven by the knob handle to move along the axial direction of the central axis rod relative to the base frame.

[0018] Optionally, any of the base assemblies further comprises a balancing base, the balancing base is fixed to the top of the base frame, and the end of the reference rod is connected to the balancing base.

[0019] Optionally, the measuring component comprises:

[0020] A movable table frame, movably arranged on the reference rod;

[0021] A dial indicator connected to the movable indicator frame;

[0022] A fixed frame connected to the movable frame, wherein the fixed frame is provided with a limit groove perpendicular to the direction of the reference rod;

[0023] A test wheel, whose axle is arranged in the limiting groove; the axle is connected to the dial indicator;

[0024] The test wheel is suitable for contacting with the ground and being abutted by the ground to move in the limiting groove.

[0025] Optionally, the measuring assembly further comprises a dial indicator platform, the dial indicator platform is connected to the test wheel axle, and the dial indicator is placed on the dial indicator platform.

[0026] Optionally, a wheel set is provided on the lower side of the movable watch frame, and the wheel set is slidably arranged in a sliding groove on the reference rod.

[0027] Optionally, both the fixing rod and the reference rod are retractable.

[0028] Optionally, the locator includes a circular level bubble, a compass and an azimuth dial.

[0029] A road cross slope detection method, used in the road cross slope detection device described above, comprises the following steps:

[0030] Preparation: Mark the test points on the road surface;

[0031] Place the instrument: First adjust the length of the reference rod and the fixed rod according to the test width, then move the base assembly to align the central axis rod with the test point, turn the knob handle to extend the central axis rod to abut the test point and keep it stable; this base assembly serves as the reference end, and the other base assembly serves as the test end;

[0032] Leveling instrument: First, move the base assembly at the test end to adjust the azimuth of the reference rod to the vertical direction of the central axis of the road surface, then turn the knob handle at this end to extend the central axis rod to the ground and keep it stable. Finally, adjust the balance base to center the circular level bubble in the locator and place the reference rod horizontally.

[0033] Measurement: First move the test wheel to the reference point at the reference end, align the wheel axle with the reference point and fix the wheel axle, then install the dial indicator and read the initial reading of the reference point, then move the test wheel to the test end, subtract the reading of the test point from the reading of the reference point to get the height difference between the two points, and then use the height difference / distance between the two points to get the cross slope parameters.

[0034] Optionally, in the measuring step, when installing the dial indicator, the pointer of the dial indicator should be pressed tightly against the indicator platform so that the pointer of the dial indicator is pressed to the range of 1 / 2-2 / 3.

[0035] The road cross slope detection device and detection method provided by the present invention have the following advantages:

[0036] The present invention provides a road cross slope detection device, comprising two base assemblies, a fixed rod, a reference rod and a measuring assembly, wherein two ends of the fixed rod are respectively connected to the two base assemblies, and the fixed rod is provided with a scale; two ends of the reference rod are respectively connected to the two base assemblies, and the reference rod is provided with a locator; the reference rod is arranged on the upper side of the fixed rod; the measuring assembly is movably arranged on the fixed rod and the reference rod, and the measuring assembly is configured to move between the two base assemblies and measure the height difference between the two base assemblies.

[0037] The road cross slope detection device of this structure is provided with two base components, wherein one base component is used as a reference end and the other base component is used as a test end. A reference rod is provided between the two base components and a positioner is provided on the reference rod. The reference rod is adjusted to be horizontal by the positioner, and a measuring component is movably provided on a fixed rod and the reference rod. When the reference rod is in a horizontal state, the measuring component moves between the two base components and measures the height difference between the two base components. A scale is further provided on the fixed rod. The distance moved by the measuring component between the base components is obtained by the scale. The cross slope parameter can be obtained by dividing the height difference by the distance between the two points displayed by the scale. The measurement process of this device is simple, and it does not require the cooperation of multiple people, and it can adapt to the detection at the bends. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0039] Figure 1 It is a schematic structural view of a road slope detection device provided in an embodiment of the present invention;

[0040] Figure 2 A schematic structural view of a base assembly provided in an embodiment of the present invention;

[0041] Figure 3 It is a schematic structural view of a measurement component provided in an embodiment of the present invention.

[0042] Description of reference numerals:

[0043] 1-base assembly; 11-base frame; 12-central shaft; 13-knob handle; 14-balance base; 15-bottom wheel;

[0044] 2-Fixed rod;

[0045] 3- Benchmark bar;

[0046] 4- measuring assembly; 41- mobile table stand; 42- dial indicator; 43- fixed stand; 44- test wheel; 45- table placement platform. DETAILED DESCRIPTION

[0047] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0048] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0049] Example 1

[0050] This embodiment provides a road slope detection device, such as Figures 1 to 3 As shown, it includes two base components 1, a fixing rod 2, a reference rod 3 and a measuring component 4. Among them, one base component 1 is used as a reference end, and the other base component 1 is used as a test end.

[0051] In this embodiment, both ends of the fixed rod 2 are respectively connected to the two base assemblies 1, and the fixed rod 2 is provided with a scale; both ends of the reference rod 3 are respectively connected to the two base assemblies 1, and the reference rod 3 is provided with a locator; the reference rod 3 is arranged on the upper side of the fixed rod 2; the measuring assembly 4 is movably arranged on the fixed rod 2 and the reference rod 3, and the measuring assembly is configured to move between the two base assemblies 1 and measure the height difference between the two base assemblies 1.

[0052] In the above structure, a fixed rod 2 is set between the two base components 1 and a scale is set on the fixed rod 2. The moving distance of the measuring component 4 on the fixed rod 2 is displayed by the scale. At the same time, a reference rod 3 is set between the two base components 1. A locator is set on the reference rod 3. The locator ensures that the reference rod 3 can be kept horizontal during measurement. At the same time, the measuring component 4 is movably set on the fixed rod 2 and the reference rod 3, and the height difference between the two base components 1 is measured. The cross slope parameter can be obtained by dividing the height difference by the distance between the two points displayed by the scale. The measurement process of this device is simple, does not require the cooperation of multiple people, and can adapt to the detection at curves.

[0053] In this embodiment, any base assembly 1 includes a base frame 11, a central axis rod 12, a knob handle 13, a balancing base 14 and a bottom wheel 15. The central axis rod 12 is perpendicular to the base frame 11 and is arranged through the base frame 11. The knob handle 13 is connected to the base frame 11. The knob handle 13 is coupled to the central axis rod 12. The central axis rod 12 is configured to be driven by the knob handle 13 and move relative to the base frame 11 along the axial direction of the central axis rod 12. The balancing base 14 is fixed to the top of the base frame 11, and the end of the reference rod 3 is connected to the balancing base 14. Among them, there are three bottom wheels 15, which are fixed to the bottom side of the base frame 11 to facilitate the movement of the base frame 11, and a brake switch is arranged on the bottom wheel 15. This is a direct application of the existing structure, so its principle is not repeated here.

[0054] Specifically, the central shaft 12 and the knob handle 13 are connected through an existing mechanical structure, and the central shaft 12 can be driven to move by rotating the knob handle 13. For example, through the cooperation of a gear rack or other existing driving structures.

[0055] By setting the central axis rod 12, the central axis rod 12 is the center of the cross slope measuring device, that is, the central axis rod 12 at the reference end is placed at the reference point (road centerline), and the central axis rod 12 at the test end is placed at the measuring point (road slope). By setting the central axis rod 12, it can move relative to the base frame 11 along the axial direction of the central axis rod 12. When the base frame 11 needs to be moved, the knob handle 13 is rotated to drive the central axis rod 12 to retract into the base frame 11. When measurement is required, the knob handle 13 is rotated to drive the central axis rod 12 to extend out of the base frame 11 and abut against the reference point and the measuring point.

[0056] In this embodiment, by providing a balancing base 14 connected to both ends of the reference rod 3, the balancing base 14 can adjust the height of the device, and the reference rod 3 can be leveled by adjusting the height.

[0057] In this embodiment, the measuring assembly 4 includes a movable meter stand 41 , a dial indicator 42 , a fixed stand 43 , a test wheel 44 and a meter placement platform 45 .

[0058] The movable meter frame 41 is movably set on the reference rod 3, the dial indicator 42 is connected to the movable meter frame 41, the fixed frame 43 is connected to the movable meter frame 41, and a limiting groove in the direction perpendicular to the reference rod 3 is provided on the fixed frame 43. The test wheel 44 is set in the limiting groove through the wheel axle; the wheel axle is connected to the dial indicator 42; wherein, the test wheel 44 is suitable for contacting with the ground and being abutted by the ground to move in the limiting groove.

[0059] Specifically, a wheel set is provided at the lower side of the mobile meter frame 41, and a slide groove is provided on the reference rod 3. The wheel set is slidably arranged in the slide groove on the reference rod 3, so that the mobile meter frame 41 can slide on the reference rod 3. Among them, the reference rod 3 is a channel steel with a groove in the middle, which is the track of the mobile meter frame 41, and the fixed rod 2 is configured to be retractable.

[0060] The upper end of the fixing frame 43 is fixed to the reference rod 3, and the lower end of the fixing frame 43 is provided with a limit groove in the direction perpendicular to the reference rod 3. The axle of the test wheel 44 is arranged in the limit groove, so that the fixing frame 43 can not only not affect the rotation of the test wheel 44, but also provide displacement space for the test wheel 44 in the direction perpendicular to the reference rod 3 when the test wheel 44 is supported by the ground and faces the ground with varying heights. Furthermore, by setting a meter platform 45, the meter platform 45 is a device fixedly connected to the axle of the test wheel 44, mainly supporting the needle of the dial indicator 42, and can measure the distance moved by the axle of the test wheel in the limit groove of the fixing frame 43 through the dial indicator 42, and then obtain the height difference between the two base components 1.

[0061] Specifically, the fixing frame 43 is triangular in shape, with its upper side fixedly connected to the movable frame 41 and its lower corner connected to the test wheel 44 .

[0062] Furthermore, an axle fastening screw is provided between the axle of the test wheel 44 and the fixing frame 43. By tightening the axle fastening screw, the axle of the test wheel 44 and the fixing frame 43 are fixed, thereby ensuring that the test wheel 44 is in a fixed position and does not rotate.

[0063] In this embodiment, the fixing rod 2 is a channel steel with a slot in the middle, which is the running track of the test wheel 44, but only limits the left and right movement of the test wheel 44. The fixing rod 2 can be telescopically adjusted in length. There is a ruler scale on the surface of the fixing rod 2, and the distance between the two center shaft rods 12 can be directly read.

[0064] By arranging that both the fixing rod 2 and the reference rod 3 are retractable, when facing a test environment with different length requirements, the distance between the two base components 1 can be determined by adjusting the degree of retraction of the fixing rod 2 and the reference rod 3.

[0065] In this embodiment, the positioner includes a circular level bubble, a compass and an azimuth dial. The circular level bubble mainly controls the level of the reference rod 3, and the compass and the dial mainly read the azimuth of the reference rod 3.

[0066] In this embodiment, the test wheel 44 is a steel wheel. The contact area between the test wheel 44 and the road surface should be larger than the specified groove or structural width of the road surface. The wheel diameter should not be too much larger than the height difference between the two base components 1. The test wheel 44 moves horizontally along the fixed rod 2 and can move freely in the vertical direction. The axle of the test wheel 44 is connected to the fixed frame 43, and the upper part of the axle horizontally supports the meter platform 45. The height difference between the center line and the side line of the road is determined by using the dial indicator 42 to measure the change in the axle height during the movement of the test wheel 44.

[0067] In this embodiment, in order to facilitate the movement of the test wheel 44 , a moving handle is fixed on the test wheel 44 .

[0068] The road cross slope detection device provided in the present embodiment is provided with two base components 1, wherein one base component 1 is used as a reference end and the other base component 1 is used as a test end. A reference rod 3 is provided between the two base components 1 and a positioner is provided on the reference rod 3. The reference rod 3 is adjusted to be horizontal by the positioner, and a measuring component 4 is movably provided on the fixed rod 2 and the reference rod 3. When the reference rod 3 is in a horizontal state, the measuring component 4 moves between the two base components 1 and measures the height difference between the two base components 1. The fixed rod 2 is further provided with a scale. The distance moved by the measuring component 4 between the base components 1 is obtained by the scale. The cross slope parameter can be obtained by dividing the height difference by the distance between the two points displayed by the scale. The measurement process of this device is simple, does not require the cooperation of multiple people, and can adapt to the detection at curves.

[0069] Example 2

[0070] This embodiment provides a road cross slope detection method, which is used in the road cross slope detection device in Embodiment 1, and includes the following steps:

[0071] Preparation: Mark the test points on the road surface;

[0072] Place the instrument: first adjust the length of the reference rod 3 and the fixed rod 2 according to the test width, then move the base assembly 1 to align the central axis rod 12 with the test point, turn the knob handle 13 to extend the central axis rod 12 to abut against the test point and keep it stable; this base assembly 1 is used as the reference end, and the other base assembly 1 is used as the test end;

[0073] Leveling instrument: First, move the base assembly 1 at the test end to adjust the azimuth of the reference rod 3 to the vertical direction of the central axis of the road surface, then turn the knob handle 13 at this end to extend the central axis rod 12 to touch the ground and keep it stable, and finally adjust the balance base 14 to center the circular level bubble in the positioner and make the reference rod 3 horizontal;

[0074] Measurement: First move the test wheel 44 to the reference point of the reference end, align the wheel axle with the reference point and fix the wheel axle, then install the dial indicator 42 and read the initial reading of the reference point, then move the test wheel 44 to the test end, subtract the reading of the test point from the reading of the reference point to get the height difference between the two points, and then use the height difference / distance between the two points to get the cross slope parameter.

[0075] Specifically, the preparation step also includes cleaning the road surface to prevent road debris from affecting the test accuracy, and then marking the test points on the road surface.

[0076] In the instrument placement step, the road slope detection device is installed near the position to be tested, the length of the reference rod 3 and the fixed rod 2 are adjusted according to the test width, and then the center axis rod 12 is placed by adjusting the reference end rotation handle, and the center axis rod 12 is aligned with the test point by moving the bottom wheel 15, the brake switch of the bottom wheel 15 is turned on, and then the handle is continued to be rotated to place the center axis rod 12 until the bottom wheel 15 is slightly off the ground.

[0077] In the leveling instrument step, the azimuth of the reference rod 3 is adjusted to the vertical direction of the central axis of the road surface by moving the bottom wheel 15 of the test end, and then the central axis rod 12 is lowered by adjusting the rotating handle of the test end, and the brake switch of the bottom wheel 15 of the test end is turned on. By adjusting the balance base 14, the circular level bubble is centered and the reference rod 3 is placed horizontally.

[0078] In the measurement step, before measuring, the test wheel 44 is moved to the reference point of the reference end by moving the handle so that the wheel axle is aligned with the reference point, and then the fastening screws on the wheel axle are tightened to fix the wheel axle; the dial indicator 42 is installed on the mobile meter frame 41 by the fastening screws of the mobile meter frame 41, and the pointer of the dial indicator 42 should be pressed against the indicator platform so that the pointer of the dial indicator 42 is pressed to the range of 1 / 2-2 / 3, and then the initial reading of the reference point is read; the test wheel 44 is slowly moved toward the test end by moving the handle (the dial indicator 42 and the scale readings at 0, 1L / 5, 2L / 5, 3L / 5, 4L / 5 and L from the test end to the reference end can be recorded in turn, or the dial indicator 42 and the scale readings at the test point can be directly read), the height difference between the two points can be obtained by subtracting the reading of the test point from the reading of the reference point, and then the cross slope parameter can be obtained by using the height difference / distance between the two points.

[0079] After the test is completed, the central axis rods 12 in the two base assemblies 1 are retracted and moved to the next test point.

[0080] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. A road slope detection device, characterized in that: include: Two base assemblies (1); A fixing rod (2), both ends of which are respectively connected to the two base components (1), and the fixing rod (2) is provided with a scale; A reference rod (3), both ends of which are respectively connected to the two base assemblies (1), and a positioner is provided on the reference rod (3); the reference rod (3) is arranged on the upper side of the fixed rod (2); A measuring component (4) is movably arranged on the fixing rod (2) and the reference rod (3), and the measuring component is configured to move between the two base components (1) and measure the height difference between the two base components (1).

2. The road slope detection device according to claim 1, characterized in that: Any of the base components (1) comprises: Base frame (11); A central axis rod (12) is perpendicular to the base frame (11) and is disposed through the base frame (11); A knob handle (13) connected to the base frame (11), wherein the knob handle (13) is coupled to the central axis rod (12); The central axis rod (12) is configured to be driven by the knob handle (13) to move axially along the central axis rod (12) relative to the base frame (11).

3. The road slope detection device according to claim 2, characterized in that: Any of the base components (1) further comprises a balancing base (14), wherein the balancing base (14) is fixed to the top of the base frame (11), and the end of the reference rod (3) is connected to the balancing base (14).

4. The road slope detection device according to any one of claims 1 to 3, characterized in that: The measuring component (4) comprises: A movable table frame (41) is movably arranged on the reference rod (3); A dial indicator (42) connected to the movable indicator frame (41); A fixed frame (43) connected to the movable frame (41), wherein the fixed frame (43) is provided with a limiting groove perpendicular to the direction of the reference rod (3); A test wheel (44), the axle of which is arranged in the limiting groove; the axle is connected to the dial indicator (42); The test wheel (44) is suitable for contacting the ground and being abutted by the ground to move in the limiting groove.

5. The road slope detection device according to claim 4, characterized in that: The measuring assembly (4) further comprises a dial gauge platform (45), wherein the dial gauge platform (45) is connected to the axle of the test wheel (44), and the dial gauge (42) is placed on the dial gauge platform (45).

6. The road slope detection device according to claim 4, characterized in that: A wheel set is provided on the lower side of the movable meter frame (41), and the wheel set is slidably arranged in a sliding groove on the reference rod (3).

7. The road slope detection device according to any one of claims 1 to 6, characterized in that: The fixing rod (2) and the reference rod (3) are both retractable.

8. The road slope detection device according to any one of claims 1 to 6, characterized in that: The locator comprises a circular level bubble, a compass and an azimuth dial.

9. A road cross slope detection method, used in the road cross slope detection device according to any one of claims 1 to 8, characterized in that: The steps include: Preparation: Mark the test points on the road surface; Placing the instrument: first, adjust the length of the reference rod (3) and the fixed rod (2) according to the test width, then move the base assembly (1) to align the central axis rod (12) with the test point, turn the knob handle (13) to extend the central axis rod (12) to abut against the test point and keep it stable; this base assembly (1) serves as the reference end, and the other base assembly (1) serves as the test end; Leveling instrument: First, move the base assembly (1) at the test end to adjust the azimuth of the reference rod (3) to the vertical direction of the central axis of the road surface, then turn the knob handle (13) at this end to extend the central axis rod (12) to touch the ground and keep it stable, and finally adjust the balance base (14) to make the circular level bubble in the positioner centered and make the reference rod (3) level; Measurement: First, move the test wheel (44) to the reference point of the reference end, align the wheel axle with the reference point and fix the wheel axle, then install the dial indicator (42) and read the initial reading of the reference point, then move the test wheel (44) to the test end, subtract the reading of the test point from the reading of the reference point to get the height difference between the two points, and then use the height difference / distance between the two points to get the cross slope parameter.

10. The road slope detection method according to claim 9, characterized in that: In the measuring step, when the dial gauge (42) is installed, the pointer of the dial gauge (42) should be pressed tightly against the indicator platform so that the pointer of the dial gauge (42) is pressed to a range of 1 / 2-2 / 3.

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