Highway pavement gradient measuring machine and measuring method thereof

Abstract

The invention belongs to the technical field of highway pavement gradient measurement, and particularly relates to a highway pavement gradient measuring machine and a measuring method thereof. The highway pavement gradient measuring machine comprises a base, a measuring mechanism is arranged in the base, an impurity removing mechanism is arranged above the base, a hand-held mechanism is arranged on the side, away from the impurity removing mechanism, above the base, and a moving mechanism is arranged below the base. The road surface gradient measuring machine has the beneficial effects that the road surface gradient measuring machine can drive the grounding plate to move downwards through the flexibility provided by the electric telescopic rod, so that the grounding plate drives the movable plate to be parallel to the road slope, and when the road surface with poor flatness is detected, the detection result cannot be influenced when the wheels are located at the sunken part of the road.

Description

Technical Field

[0001] The invention belongs to the technical field of highway pavement slope measurement, and in particular relates to a highway pavement slope measuring machine and a measuring method thereof. Background Art

[0002] A highway is a road built in accordance with the national highway engineering technical standards and is a public road for vehicles to travel within cities and between urban and rural areas that has been accepted and approved by the highway department. A highway includes a roadbed, pavement, bridges, culverts and tunnels. When building a road, the roadbed needs to be excavated or filled due to the route design and topography, and a certain slope needs to be formed. The highway department needs to measure the slope of the pavement.

[0003] However, the existing road slope measurement has the following problems: first, when testing on a road with poor flatness, the measurement result is easily affected by road depression and is not accurate enough; second, if the stones on the road cannot be cleaned up in time during measurement, the stones will cause errors in the measurement results. Therefore, it is necessary to design a road slope measuring machine that can not only ensure that the measurement is not affected by road depressions, but also clean up the road stones in real time to ensure measurement accuracy. Summary of the invention

[0004] The purpose of the present invention is to solve the above problems and provide a highway road surface slope measuring machine and a measuring method thereof.

[0005] The invention relates to a highway road surface slope measuring machine, comprising a base, wherein a measuring mechanism is arranged inside the base, a debris removal mechanism is arranged above the base, a handhold mechanism is arranged on the side above the base away from the debris removal mechanism, and a moving mechanism is arranged below the base.

[0006] Preferably, the measuring mechanism includes a movable plate, the front and rear sides of which are movably hinged to the inner wall of the base, a measuring box is fixedly installed on the top of the movable plate, two linear telescopic devices are fixedly installed on the bottom of the movable plate, a grounding plate is commonly fixedly installed on the telescopic ends of the two linear telescopic devices, rectangular plates are fixedly installed on both sides of the grounding plate, and anti-slip strips arranged at equal distances are fixedly installed on the bottom of each of the rectangular plates.

[0007] Preferably, the measuring box comprises a box body 1, the inner wall of which is fixedly mounted with equidistantly arranged scale lines, the inner wall of which is rotatably connected with a pointer, the bottom of which is fixedly mounted with a counterweight conical block, and the front side of the box body 1 is fixedly mounted with a glass plate.

[0008] Preferably, the impurity removal mechanism includes a collecting box, the bottom of which is fixedly connected to the top of the base, a vacuum pump is fixedly installed on the top of the collecting box, the input end of the vacuum pump passes through the collecting box and extends to the interior of the collecting box, the right side of the collecting box is fixedly connected to a delivery pipe, and the end of the delivery pipe away from the collecting box is fixedly connected to an suction hood.

[0009] Preferably, the collection box comprises a second box body, a filter plate is clamped inside the second box body, a switch door is movably hinged on the front side of the second box body, and a pull block is fixedly installed on the front side of the switch door.

[0010] Preferably, the hand-held mechanism includes two support rods, both of which are fixedly connected to the base, and a handle is fixedly installed on the left side of each support rod.

[0011] Preferably, the support rod includes a rod sleeve, a sliding rod is clamped inside the rod sleeve, a plurality of limiting holes are opened on the left side of the sliding rod, a limiting bolt is arranged on the left side of the rod sleeve, the right end of the limiting bolt passes through the rod sleeve and extends to the inside of the sliding rod, and the limiting bolt is threadedly connected to the sliding rod.

[0012] Preferably, the moving mechanism comprises four connecting plates, the four connecting plates are fixedly connected to the bottom of the base, and a universal wheel is fixedly mounted on the bottom of each connecting plate.

[0013] Preferably, the measuring mechanism and the impurity removal mechanism are both externally connected to a PLC controller.

[0014] The present invention also relates to a measuring method of a highway road surface slope measuring machine, and the method of measuring using the highway road surface slope measuring machine comprises the following steps: Step 1: The staff moves the highway road slope measuring machine to the measuring position through the hand-held mechanism and the moving mechanism; Step 2: The impurity removal mechanism cleans the stones on the road surface; Step 3: The measuring mechanism measures the road surface slope, and manually reads the measured slope value.

[0015] Compared with the prior art, the advantages and positive effects of the present invention are: (1) The road slope measuring machine can drive the ground plate to move downward through the telescopic device provided by the linear telescopic device, so that the ground plate drives the movable plate to be parallel to the road slope, and thus the measuring box is parallel to the road slope. The weight of the pointer can be increased by the counterweight cone block, so that the pointer can be stable when the measuring box is offset. The scale line can facilitate personnel to observe the offset angle of the measuring box, so that when testing a road surface with poor flatness, the wheel is in a depression on the road and will not affect the test result; (2) The highway road slope measuring machine can draw out the air in the collection box through the suction force provided by the vacuum pump, making the collection box negative pressure, so that the suction hood can directly transport the stones at the measuring point to the collection box through the guidance of the conveying pipe. The filter plate can block the stones, so that the stones on the road can be cleaned during measurement to prevent the stones from causing errors in the measurement results. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the following briefly introduces the drawings required for describing the embodiment. Figure 1 A schematic diagram of the structure of a highway road slope measuring machine provided in Example 1; Figure 2 A schematic cross-sectional three-dimensional structural diagram of a base of a highway road surface slope measuring machine provided in Example 1; Figure 3 A schematic diagram of the three-dimensional structure of a filter plate of a highway road surface slope measuring machine provided in Example 1; Figure 4 This is a schematic diagram of the right-side stereoscopic structure of the air intake hood of the highway road surface slope measuring machine provided in Example 1.

[0017] Description of reference numerals: 1. Base, 2. Measuring mechanism, 3. De-impurity mechanism, 4. Hand-held mechanism, 5. Moving mechanism, 6. Movable plate, 7. Measuring box, 8. Linear telescopic device, 9. Grounding plate, 10. Rectangular plate, 11. Anti-slip strip, 12. Box body 1, 13. Scale line, 14. Pointer, 15. Counterweight cone block, 16. Glass plate, 17. Collecting box, 18. Vacuum pump, 19. Delivery pipe, 20. Suction hood, 21. Box body 2, 22. Filter plate, 23. Open and close door, 24. Pull block, 25. Support rod, 26. Handle, 27. Rod sleeve, 28. Slide rod, 29. Limit hole, 30. Limit bolt, 31. Connecting plate, 32. Universal wheel. DETAILED DESCRIPTION

[0018] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments.

[0019] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0020] Example 1 like Figure 1-Figure 4A highway road slope measuring machine shown in the figure comprises a base 1, a measuring mechanism 2 is arranged inside the base 1, a debris removal mechanism 3 is arranged above the base 1, a handhold mechanism 4 is arranged on the side above the base 1 away from the debris removal mechanism 3, and a moving mechanism 5 is arranged below the base 1.

[0021] like Figure 1-Figure 4 As shown, the measuring mechanism 2 includes a movable plate 6, the front and rear sides of the movable plate 6 are movably hinged to the inner wall of the base 1, a measuring box 7 is fixedly installed on the top of the movable plate 6, two linear telescopic devices 8 are fixedly installed on the bottom of the movable plate 6, and a grounding plate 9 is fixedly installed at the telescopic ends of the two linear telescopic devices 8, and rectangular plates 10 are fixedly installed on both sides of the grounding plate 9, and anti-slip strips 11 arranged at equal distances are fixedly installed on the bottom of each rectangular plate 10.

[0022] like Figure 1-Figure 4 As shown, the measuring box 7 includes a box body 12, the inner wall of which is fixedly mounted with scale lines 13 arranged at equal distances, the inner wall of which is rotatably connected with a pointer 14, the bottom of which is fixedly mounted with a counterweight conical block 15, and the front side of the box body 12 is fixedly mounted with a glass plate 16.

[0023] like Figure 1-Figure 4 As shown, the impurity removal mechanism 3 includes a collecting box 17, the bottom of which is fixedly connected to the top of the base 1, and a vacuum pump 18 is fixedly installed on the top of the collecting box 17. The input end of the vacuum pump 18 passes through the collecting box 17 and extends to the interior of the collecting box 17. The right side of the collecting box 17 is fixedly connected to a conveying pipe 19, and the end of the conveying pipe 19 away from the collecting box 17 is fixedly connected to an air suction hood 20.

[0024] like Figure 1-Figure 4 As shown, the collection box 17 includes a second box body 21 , a filter plate 22 is clamped inside the second box body 21 , a switch door 23 is movably hinged on the front side of the second box body 21 , and a pull block 24 is fixedly installed on the front side of the switch door 23 .

[0025] like Figure 1-Figure 4 As shown, the hand-held mechanism 4 includes two support rods 25 , and the two support rods 25 are fixedly connected to the base 1 , and a handle 26 is fixedly installed on the left side of each support rod 25 .

[0026] like Figure 1-Figure 4 As shown, the support rod 25 includes a rod sleeve 27, a slide rod 28 is clamped inside the rod sleeve 27, a plurality of limit holes 29 are opened on the left side of the slide rod 28, a limit bolt 30 is arranged on the left side of the rod sleeve 27, the right end of the limit bolt 30 passes through the rod sleeve 27 and extends to the inside of the slide rod 28, and the limit bolt 30 is threadedly connected to the slide rod 28.

[0027] like Figure 1-Figure 4As shown, the moving mechanism 5 includes four connecting plates 31 , which are fixedly connected to the bottom of the base 1 , and a universal wheel 32 is fixedly mounted on the bottom of each connecting plate 31 .

[0028] The measuring mechanism 2 and the impurity removal mechanism 3 are both externally connected to the PLC controller.

[0029] The linear telescopic device 8 and the air pump 18 are both connected to the PLC controller for communication.

[0030] The linear telescopic device 8 is an electric telescopic rod, a cylinder or a hydraulic cylinder.

[0031] A method for measuring the slope of a highway road surface using a measuring machine. Figure 1-Figure 4 The highway road surface slope measuring machine performs measurement, comprising the following steps: Step 1: The staff moves the highway road slope measuring machine to the measuring position through the hand-held mechanism 4 and the moving mechanism 5.

[0032] Step 2: The debris removal mechanism 3 cleans the gravel on the road surface.

[0033] Step 3: The measuring mechanism 2 measures the road surface slope, and manually reads the measured slope value.

[0034] Working principle: The handle 26 is manually held to move the road surface slope measuring machine shown to the slope surface through the universal wheel 32, and the PLC controller issues a command to the vacuum pump 18. The suction force provided by the vacuum pump 18 can draw out the air in the collection box 17, so that the internal pressure of the collection box 17 is negative, so that the suction hood 20 directly transports the stones at the measuring location to the collection box 17 through the guidance of the conveying pipe 19, and the filter plate 22 blocks the stones, so that the stones on the road can be cleaned during measurement to prevent the stones from causing errors in the measurement results, making the road surface slope measuring machine more practical; when measuring the road surface slope, the PLC controller controls the linear telescopic device The device 8 issues a command, and the telescopic property provided by the linear telescopic device 8 drives the grounding plate 9 to move downward, so that the grounding plate 9 drives the movable plate 6 to be parallel to the road slope, so that the measuring box 7 is parallel to the road slope, and the weight of the pointer 14 is increased by the counterweight cone block 15, so that the pointer 14 is stable when the measuring box 7 is offset, and the scale line 13 is convenient for the staff to observe the offset angle of the measuring box 7, so that when testing the road surface with poor flatness, the universal wheel 32 is in the depression of the road and will not affect the test result. The rectangular plate 10 and the anti-skid strip 11 can increase the friction between the grounding plate 9 and the ground, thereby preventing the highway road slope measuring machine from sliding on the slope.

[0035] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification or equivalent change made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A road surface slope measuring machine, characterized in that: The invention comprises a base (1), wherein a measuring mechanism (2) is arranged inside the base (1), a debris removal mechanism (3) is arranged above the base (1), a hand-holding mechanism (4) is arranged on a side above the base (1) away from the debris removal mechanism (3), and a moving mechanism (5) is arranged below the base (1).

2. The highway road surface slope measuring machine according to claim 1, characterized in that: The measuring mechanism (2) comprises a movable plate (6), the front and rear sides of which are movably hinged to the inner wall of the base (1), a measuring box (7) is fixedly mounted on the top of the movable plate (6), two linear telescopic devices (8) are fixedly mounted on the bottom of the movable plate (6), a grounding plate (9) is fixedly mounted on the telescopic ends of the two linear telescopic devices (8), rectangular plates (10) are fixedly mounted on both sides of the grounding plate (9), and anti-slip strips (11) arranged at equal distances are fixedly mounted on the bottom of each rectangular plate (10).

3. The highway road slope measuring machine according to claim 2, characterized in that: The measuring box (7) comprises a box body (12), the inner wall of which is fixedly mounted with scale lines (13) arranged at equal distances, the inner wall of which is rotatably connected with a pointer (14), the bottom of which is fixedly mounted with a counterweight conical block (15), and the front side of which is fixedly mounted with a glass plate (16).

4. The highway road surface slope measuring machine according to claim 3, characterized in that: The impurity removal mechanism (3) comprises a collection box (17), the bottom of the collection box (17) being fixedly connected to the top of the base (1), an air pump (18) being fixedly mounted on the top of the collection box (17), an input end of the air pump (18) passing through the collection box (17) and extending into the interior of the collection box (17), a delivery pipe (19) being fixedly connected to the right side of the collection box (17), and an end of the delivery pipe (19) away from the collection box (17) being fixedly connected to an air suction hood (20).

5. The highway road slope measuring machine according to claim 4, characterized in that: The collection box (17) comprises a second box body (21), a filter plate (22) is clamped inside the second box body (21), a switch door (23) is movably hinged on the front side of the second box body (21), and a pull block (24) is fixedly installed on the front side of the switch door (23).

6. The highway road slope measuring machine according to claim 5, characterized in that: The hand-held mechanism (4) comprises two support rods (25), the two support rods (25) are fixedly connected to the base (1), and a handle (26) is fixedly mounted on the left side of each support rod (25).

7. The highway road slope measuring machine according to claim 6, characterized in that: The support rod (25) comprises a rod sleeve (27), a slide rod (28) is clamped inside the rod sleeve (27), a plurality of limiting holes (29) are provided on the left side of the slide rod (28), a limiting bolt (30) is provided on the left side of the rod sleeve (27), the right end of each limiting bolt (30) passes through the rod sleeve (27) and extends into the interior of the slide rod (28), and each limiting bolt (30) is threadedly connected to the slide rod (28).

8. The highway road surface slope measuring machine according to claim 7, characterized in that: The moving mechanism (5) comprises four connecting plates (31), the four connecting plates (31) being fixedly connected to the bottom of the base (1), and a universal wheel (32) being fixedly mounted on the bottom of each connecting plate (31).

9. The highway road slope measuring machine according to claim 8, characterized in that: The measuring mechanism (2) and the impurity removal mechanism (3) are both externally connected to a PLC controller.

10. A method for measuring a road surface slope measuring machine, characterized in that: The method of measuring the road surface slope using the road surface slope measuring machine according to claim 1 comprises the following steps: Step 1: A staff member moves the highway road surface slope measuring machine to a measuring position through the hand-held mechanism (4) and the moving mechanism (5); Step 2: the impurity removal mechanism (3) cleans the gravel on the road surface; Step 3: The measuring mechanism (2) measures the road surface slope, and manually reads the measured slope value.

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