Flatness device for road
By designing a self-calibration structure for supporting guide rails and load-bearing beams, the problem of insufficient measurement accuracy of highway smoothness devices on uneven road surfaces was solved. Furthermore, by automatically cleaning road debris through a debris removal structure, high-precision and convenient measurement operations were achieved.
Patent Information
- Application Number
- CN202520322285.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Existing road surface smoothness devices suffer from inertia affecting measurement accuracy when driving on uneven surfaces, and require manual cleaning of road debris before measurement.
A device was designed that includes a support guide rail, a load-bearing beam, a positioning guide hole, an adjusting guide hole, a guiding structure, a sliding structure, a detection structure, and a debris removal structure. Through the cooperation of the guide hole and the guide plate, the device can achieve self-calibration and debris removal, ensuring measurement accuracy and convenient operation.
It improves measurement accuracy, reduces the hassle of manually cleaning debris from the road surface, and enables high-precision measurement and convenient operation on uneven roads.
Smart Images

Figure CN223880156U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to highway flatness measurement technical field, especially a highway flatness device. BACKGROUND
[0002] The highway flatness device is used for accurately detecting the flatness of the road surface, which is mainly composed of a measuring sensor, a data acquisition system and a data analysis processing unit, and when working, the sensor is closely attached to the road surface, and under the driving of the vehicle at a constant speed, the sensor can real-time perceive the ups and downs of the road surface, convert the height changes into electrical signals, the data acquisition system can quickly capture these signals and record the corresponding position information, and the collected data is transmitted to the analysis processing unit, which can convert the data into intuitive flatness indexes such as the international flatness index (IRI) according to professional algorithms, and through the device, the highway flatness can be quickly and accurately evaluated, and key basis can be provided for road maintenance and construction quality control.
[0003] The existing highway flatness device does not have a calibration device, and when driving on uneven road surface, a certain inertia will be generated when shaking, which affects the measurement accuracy, and the existing highway flatness device needs the operator to clean the road surface in advance, which is very troublesome. UTILITY MODEL CONTENTS
[0004] The utility model solves the technical problem that the existing highway flatness device does not have a calibration device, and when driving on uneven road surface, a certain inertia will be generated when shaking, which affects the measurement accuracy, and the existing highway flatness device needs the operator to clean the road surface in advance, which is very troublesome.
[0005] In order to solve the above technical problems, the technical scheme of the utility model is a highway flatness device, which comprises two supporting rails and two bearing beams, two bearing beams are respectively installed on the inner wall surface of the two supporting rails, two bearing beams are respectively provided with positioning guide holes and adjusting guide holes, two bearing beams are respectively connected with guide structures, two positioning guide holes are connected with positioning structures, two adjusting guide holes are connected with adjusting structures, the upper wall surface of the guide structure is connected with a sliding structure, the lower wall surface of the sliding structure is provided with a detection structure, and the upper wall surface of the sliding structure is connected with a dedusting structure.
[0006] As a further scheme of the utility model: the positioning structure includes: two positioning guide plates, a load hinged seat and an antiskid pad, two positioning guide plates are connected in two positioning guide holes respectively, the load hinged seat is installed in the lower wall surface of two positioning guide plates, and the antiskid pad is installed in the lower wall surface of load hinged seat.
[0007] As a further scheme of the utility model: the adjusting structure includes: two adjusting guide plates, a load adjusting plate, two load screw rods and two support threaded sleeves, two adjusting guide plates are connected in the inner wall surface of two adjusting guide holes respectively, the load adjusting plate is installed in the lower wall surface of two adjusting guide plates respectively, two load screw rods are installed in the lower wall surface of load adjusting plate respectively, and two support threaded sleeves are sleeved in the outer wall surface of two load screw rods respectively.
[0008] As a further scheme of the utility model: the sliding structure includes: four groups of track wheels, four pulley connecting frames and a transport frame, four groups of track wheels are connected between two support guide rails and two auxiliary guide rails respectively, four pulley connecting frames are connected on four groups of track wheels respectively, and the transport frame is installed in the upper wall surface of four pulley connecting frames.
[0009] As a further scheme of the utility model: the detection structure includes: a detection guide frame, a detection pulley, a magnetostrictive detection rod, a guide sleeve and a sensing magnetic ring, the detection guide frame is installed in the lower wall surface of the transport frame, the detection pulley is connected in the lower end of the detection guide frame, the magnetostrictive detection rod is hinged in the detection guide frame, the guide sleeve is sleeved in the outer wall surface of the magnetostrictive detection rod and connected with the transport frame, and the sensing magnetic ring is installed in the front wall surface of the guide sleeve.
[0010] As a further scheme of the utility model: the impurity removing structure includes: a gas collecting fixed frame, a gas collecting box and a gas spraying fixed frame, the gas collecting fixed frame is installed in the upper wall surface of the transport frame, the gas collecting box is installed in the gas collecting fixed frame, and the gas spraying fixed frame is installed in the lower wall surface of the detection guide frame.
[0011] As a further scheme of the utility model: six lower limit holes are connected with six groups of auxiliary guide plates.
[0012] As a further scheme of the utility model: the outer wall surface of the magnetostrictive detection rod and the guide sleeve is sleeved with a reset spring.
[0013] The utility model adopts the above technical scheme, compared with prior art, has the following advantages:
[0014] The two positioning guide holes are aligned with the two positioning guide plates, two bearing beams are inserted, then the two adjusting guide plates drive the bearing adjusting plates to be inserted into the two adjusting guide holes, then the jack is placed under the bearing adjusting plate, the level is placed on the bearing adjusting plate, the jack is adjusted until the level shows that the bearing adjusting plate reaches the horizontal position, the two bearing beams drive the bearing hinged seats to rotate through the two positioning guide plates, then the operators rotate the two support threaded sleeves around the two bearing screws respectively until the two support threaded sleeves contact the ground, the two bearing beams are supported through the bearing adjusting plates, then the jack is removed, and the problem that the existing road flatness device does not have a calibration device and when driving on uneven road, a certain inertia is generated when shaking, thereby affecting the measurement accuracy is solved.
[0015] The gas collecting box is started, the sundries in front of the detection pulley are blown to both sides, then the operator pushes the transportation frame forward, four pulley connecting frames drive four groups of track wheels to move forward along the two support guide rails, and the problem that the existing road flatness device needs the operator to clean the sundries on the road in advance when measuring is solved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure schematic view of the road flatness device in the embodiment of the utility model;
[0017] Figure 2 It is a guide structure schematic view of the road flatness device in the embodiment of the utility model;
[0018] Figure 3 It is a sliding structure schematic view of the road flatness device in the embodiment of the utility model;
[0019] Figure 4 It is a detection structure schematic view of the road flatness device in the embodiment of the utility model;
[0020] Figure 5 It is a sundry removing structure schematic view of the road flatness device in the embodiment of the utility model.
[0021] In the drawing: 1, support guide rail; 2, bearing beam; 3, positioning guide hole; 4, adjusting guide hole; 5, limiting hole; 6, limiting plate; 7, auxiliary guide rail; 8, positioning guide plate; 9, bearing hinged seat; 10, antiskid pad; 11, adjusting guide plate; 12, bearing adjusting plate; 13, bearing screw; 14, support threaded sleeve; 15, track wheel; 16, pulley connecting frame; 17, transportation frame; 18, detection guide frame; 19, detection pulley; 20, magnetostrictive detection rod; 21, guide sleeve; 22, inductive magnetic ring; 23, gas collecting fixed frame; 24, gas collecting box; 25, jet fixed frame; 26, auxiliary guide plate; 27, return spring. DETAILED DESCRIPTION
[0022] The specific embodiments of the present application will be further described with reference to the drawings. It should be noted that the description of these embodiments is intended for the purpose of understanding the present application, and does not constitute a limitation of the present application. In addition, the technical features involved in each embodiment of the present application described below can be combined with each other as long as they do not conflict with each other.
[0023] Please refer to Figures 1-5 A highway flatness device, comprising two support rails 1 and two bearing beams 2, two bearing beams 2 are respectively installed on the inner wall surface of the two support rails 1, two bearing beams 2 are respectively provided with positioning guide holes 3 and adjusting guide holes 4, two bearing beams 2 are respectively connected with guide structures, two positioning guide holes 3 are connected with positioning structures, two adjusting guide holes 4 are connected with adjusting structures, the upper wall surface of the guide structure is connected with a sliding structure, the lower wall surface of the sliding structure is provided with a detection structure, and the upper wall surface of the sliding structure is connected with a impurity removal structure; the guide structure comprises six limiting holes 5, six limiting plates 6 and two auxiliary rails 7; six limiting holes 5 are respectively provided on the upper wall surface of the two bearing beams 2, six limiting plates 6 are respectively installed in the six limiting holes 5, and two auxiliary rails 7 are respectively installed on the upper wall surface of the six limiting plates 6.
[0024] Please refer to Figure 2 The positioning structure comprises two positioning guide plates 8, a bearing hinge seat 9 and a non-slip pad 10; two positioning guide plates 8 are respectively connected in the two positioning guide holes 3, the bearing hinge seat 9 is installed on the lower wall surface of the two positioning guide plates 8, and the non-slip pad 10 is installed on the lower wall surface of the bearing hinge seat 9.
[0025] Please refer to Figure 2 The adjusting structure comprises two adjusting guide plates 11, a bearing adjusting plate 12, two bearing screws 13 and two supporting threaded sleeves 14; two adjusting guide plates 11 are respectively connected on the inner wall surface of the two adjusting guide holes 4, the bearing adjusting plate 12 is respectively installed on the lower wall surface of the two adjusting guide plates 11, the two bearing screws 13 are respectively installed on the lower wall surface of the bearing adjusting plate 12, and the two supporting threaded sleeves 14 are respectively sleeved on the outer wall surface of the two bearing screws 13.
[0026] Please refer to Figure 3 The sliding structure comprises four groups of track wheels 15, four pulley connecting frames 16 and a transportation frame 17; four groups of track wheels 15 are respectively connected between the two support rails 1 and the two auxiliary rails 7, four pulley connecting frames 16 are respectively connected on the four groups of track wheels 15, and the transportation frame 17 is installed on the upper wall surface of the four pulley connecting frames 16.
[0027] Please refer to Figure 3The detection structure comprises a detection guide frame 18, a detection pulley 19, a magnetostrictive detection rod 20, a guide sleeve 21 and an induction magnetic ring 22; the detection guide frame 18 is installed on the lower wall surface of the transport frame 17, the detection pulley 19 is connected to the lower end of the detection guide frame 18, the magnetostrictive detection rod 20 is hinged in the detection guide frame 18, the guide sleeve 21 is sleeved on the outer wall surface of the magnetostrictive detection rod 20 and connected with the transport frame 17, and the induction magnetic ring 22 is installed on the front wall surface of the guide sleeve 21.
[0028] Referring to Figure 3 The impurity removal structure comprises a gas collection fixed frame 23, a gas collection box 24 and a gas injection fixed frame 25; the gas collection fixed frame 23 is installed on the upper wall surface of the transport frame 17, the gas collection box 24 is installed in the gas collection fixed frame 23, and the gas injection fixed frame 25 is installed on the lower wall surface of the detection guide frame 18.
[0029] Referring to Figure 2 Six groups of auxiliary guide plates 26 are connected below the six limiting holes 5, and the stability of the limiting plate 6 can be increased by the guide plates 26 during use.
[0030] Referring to Figure 5 The outer wall surfaces of the magnetostrictive detection rod 20 and the guide sleeve 21 are sleeved with a reset spring 27, and the reset spring 27 is expanded to drive the detection guide frame 18 to expand when the road surface is depressed during use.
[0031] In the embodiment, two positioning guide holes 3 are aligned with two positioning guide plates 8 to drive two bearing beams 2 to be inserted, then two adjusting guide plates 11 drive bearing adjusting plates 12 to be inserted into two adjusting guide holes 4, then a jack is placed below the bearing adjusting plate 12, a level is placed on the bearing adjusting plate 12, the jack is adjusted until the bearing adjusting plate 12 reaches a horizontal position, the two bearing beams 2 are driven by the two positioning guide plates 8 to follow the rotation of the bearing hinged seat 9, then an operator rotates two support threaded sleeves 14 around two bearing screws 13 respectively until the two support threaded sleeves 14 are in contact with the ground, the two bearing beams 2 are supported by the bearing adjusting plate 12, and then the jack is removed.
[0032] Specific, installation, the operator will anti-skid pad 10 with load bearing hinge base 9 in the target position, after the two positioning guide hole 3 to two positioning guide plate 8 with two load bearing beam 2 inserted, after the two adjustment guide plate 11 with load bearing adjustment plate 12 inserted into two adjustment guide hole 4, after the jack is placed on load bearing adjustment plate 12, the level on load bearing adjustment plate 12, adjust the jack, until the level shows that load bearing adjustment plate 12 reaches the horizontal position, two load bearing beam 2 through two positioning guide plate 8 with load bearing hinge base 9 follow the rotation, then the operator respectively around two load bearing screw 13 rotate two support threaded sleeve 14, until two support threaded sleeve 14 with ground contact, through load bearing adjustment plate 12 will support two load bearing beam 2, after taking away the jack, four groups of track wheel 15 through four pulley connecting frame 16 with transport frame 17 placed between two support rail 1 and two auxiliary rail 7, detection pulley 19 through two load bearing beam 2 and ground contact, detection guide frame 18 shrink, drive reset spring 27 shrink, finally the operator will the high pressure jet pipe connected on the gas collecting box 24 fixed on the jet fixing frame 25 can.
[0033] In the embodiment, the gas collecting box 24 is started, the sundries in front of the detection pulley 19 is blown to both sides, then the operator pushes the transport frame 17 forward, four groups of track wheel 15 are driven by four pulley connecting frame 16 to move forward along two support rail 1.
[0034] Specific, use, the operator starts the gas collecting box 24, the sundries in front of the detection pulley 19 is blown to both sides, then the operator pushes the transport frame 17 forward, four groups of track wheel 15 are driven by four pulley connecting frame 16 to move forward along two support rail 1, when the road surface is concave, the reset spring 27 expands, drives the detection guide frame 18 to expand, the detection guide frame 18 drives the magnetostrictive detection rod 20 to elongate along the guide sleeve 21, the displacement length is recorded by the magnetostrictive detector in the guide sleeve 21 through the induction magnetic ring 22, during which the magnetostrictive detection rod 20 rotates around the detection guide frame 18, to ensure smooth sliding between the magnetostrictive detection rod 20 and the guide sleeve 21, when the road surface is convex, the detection pulley 19 drives the detection guide frame 18 to shrink, the reset spring 27 shrinks, the detection guide frame 18 drives the magnetostrictive detection rod 20 to insert along the guide sleeve 21, the displacement length is recorded by the magnetostrictive detector.
[0035] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.
Claims
1. A road flatness device comprising two support rails (1) and two load bearing beams (2), characterized in that, Two said load-bearing beams (2) are respectively installed on the inner wall surface of two support rails (1), two said load-bearing beams (2) are respectively provided with positioning guide holes (3) and adjusting guide holes (4), two said load-bearing beams (2) are respectively connected with guide structures, two said positioning guide holes (3) are connected with positioning structures, two said adjusting guide holes (4) are connected with adjusting structures, the upper wall surface of said guide structure is connected with sliding structures, the lower wall surface of said sliding structure is provided with detection structures, the upper wall surface of said sliding structure is connected with impurity removal structures; Said guide structure comprises six limiting holes (5), six limiting plates (6) and two auxiliary rails (7); Six said limiting holes (5) are respectively provided on the upper wall surface of two load-bearing beams (2), six said limiting plates (6) are respectively installed in six limiting holes (5), two said auxiliary rails (7) are respectively installed on the upper wall surface of six limiting plates (6).
2. A road flatness device according to claim 1, characterized in that Said positioning structure comprises two positioning guide plates (8), a load-bearing hinged seat (9) and an anti-skid pad (10); Two said positioning guide plates (8) are respectively connected in two positioning guide holes (3), said load-bearing hinged seat (9) is installed on the lower wall surface of two positioning guide plates (8), said anti-skid pad (10) is installed on the lower wall surface of load-bearing hinged seat (9).
3. The flatness device for highways of claim 1, wherein, Said adjusting structure comprises two adjusting guide plates (11), a load-bearing adjusting plate (12), two load-bearing screws (13) and two support threaded sleeves (14); Two said adjusting guide plates (11) are respectively connected on the inner wall surface of two adjusting guide holes (4), said load-bearing adjusting plate (12) is respectively installed on the lower wall surface of two adjusting guide plates (11), two said load-bearing screws (13) are respectively installed on the lower wall surface of load-bearing adjusting plate (12), two said support threaded sleeves (14) are respectively sleeved on the outer wall surface of two load-bearing screws (13).
4. The flatness device for highways of claim 1, wherein, Said sliding structure comprises four groups of track wheels (15), four pulley connecting frames (16) and a transportation frame (17); Four groups of said track wheels (15) are respectively connected between two support rails (1) and two auxiliary rails (7), four said pulley connecting frames (16) are respectively connected on four groups of track wheels (15), said transportation frame (17) is installed on the upper wall surface of four pulley connecting frames (16).
5. A road flatness device according to claim 4, wherein Said detection structure comprises a detection guide frame (18), a detection pulley (19), a magnetostrictive detection rod (20), a guide sleeve (21) and an induction magnetic ring (22); Said detection guide frame (18) is installed on the lower wall surface of transportation frame (17), said detection pulley (19) is connected on the lower end of detection guide frame (18), said magnetostrictive detection rod (20) is hinged in detection guide frame (18), said guide sleeve (21) is sleeved on the outer wall surface of magnetostrictive detection rod (20) and connected with transportation frame (17), said induction magnetic ring (22) is installed on the front wall surface of guide sleeve (21).
6. A road flatness device according to claim 5, wherein Said impurity removal structure comprises a gas collection fixed frame (23), a gas collection box (24) and a jet fixing frame (25); The gas collecting fixed frame (23) is installed on the upper wall of the transport frame (17), the gas collecting box (24) is installed in the gas collecting fixed frame (23), and the air injection fixed frame (25) is installed on the lower wall of the detection guide frame (18).
7. The flatness device for highways of claim 1, wherein Six groups of auxiliary guide plates (26) are connected below the six limiting holes (5).
8. The flatness device for highways of claim 5, wherein, The outer wall surface of the magnetostrictive detection rod (20) and the guide sleeve (21) is sleeved with a reset spring (27).