Highway pavement flatness detection equipment

Abstract

The utility model relates to the technical field of highway detection, and discloses a highway pavement flatness detection device which comprises a mounting plate and a detection wheel, two first sliding grooves are formed in the rear side of the mounting plate, first connecting plates are arranged in the first sliding grooves in a sliding mode, and the first connecting plates and the mounting plate are fixedly arranged through first fixing bolts. A second sliding groove is formed in one end of the front side of the mounting plate, a second connecting plate is slidably arranged in the second sliding groove, the second connecting plate and the mounting plate are fixedly arranged through second fixing bolts, and detection mechanisms are fixedly arranged at the bottoms of the first connecting plate and the second connecting plate; the detection mechanism comprises a top plate, a displacement sensor, a fixing block and a second detection rod. According to the utility model, the floating data of the road surface is transmitted to the displacement sensor through the detection mechanism by the detection wheels, and the floating data of the three detection wheels at different positions are integrated through the detection box, so that the data is the flatness data of the road section.

Description

Technical Field

[0001] The utility model relates to the technical field of highway detection, in particular to a highway pavement flatness detection device. Background Art

[0002] Road surface roughness testing equipment is used to measure the roughness of road surfaces. It can help road management departments and construction units to promptly detect uneven road surfaces, make repairs and maintenance in a timely manner, and improve road comfort and safety. It can also be used to evaluate the quality of road construction and maintenance projects, and provide data support for project acceptance.

[0003] Existing highway pavement flatness detection equipment generally includes components such as a laser rangefinder, an inertial navigation system, a data acquisition system, and data processing software. The elevation data of the road surface is measured by the laser rangefinder, and then the data is transmitted to the data processing software through the data acquisition system for analysis and processing, thereby obtaining the flatness of the road surface. Such highway pavement flatness detection equipment has a relatively high cost of use, and is relatively complicated to use and maintain, requiring professional personnel to use. Therefore, those skilled in the art provide a highway pavement flatness detection equipment to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a road surface flatness detection device. When the device is used, the floating data of the road surface is transmitted to the displacement sensor through the detection mechanism by the detection wheel. After the floating data of three detection wheels at different positions are integrated through the detection box, this data is the flatness data of this section of the road.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A road surface flatness detection device comprises a mounting plate and a detection wheel, wherein two No. 1 slide grooves are arranged at the rear side of the mounting plate, a No. 1 connecting plate is slidably arranged inside the No. 1 slide groove, and the No. 1 connecting plate is fixed to the mounting plate by a No. 1 fixing bolt, a No. 2 slide groove is arranged at one end of the front side of the mounting plate, a No. 2 connecting plate is slidably arranged inside the No. 2 slide groove, and the No. 2 connecting plate is fixed to the mounting plate by a No. 2 fixing bolt;

[0007] The bottom of the No. 1 connecting plate and the No. 2 connecting plate are both fixedly provided with a detection mechanism, the detection mechanism includes a top plate, a displacement sensor, a fixed block and a No. 2 detection rod, the two detection wheels are hingedly provided by a connecting rod, a No. 1 detection rod is fixedly provided between the two connecting rods, the No. 1 detection rod is fixedly provided with the detection mechanism, No. 2 grooves are provided on both sides of the middle of the No. 1 detection rod, a support mechanism is provided inside the No. 2 groove, and the support mechanism includes a spring telescopic rod and a No. 3 slide groove;

[0008] Through the above technical solution, when the device is used, the data of the floating of the road surface is transmitted to the displacement sensor through the detection mechanism through the detection wheel. After the floating data of the three detection wheels at different positions are integrated through the detection box, this data is the flatness data of this section of the road.

[0009] Furthermore, a displacement sensor is fixedly arranged at the bottom of the top plate, a clamping rod is fixedly arranged at the bottom of the displacement sensor, and a No. 1 groove is provided on both the front and rear sides of the lower end of the clamping rod;

[0010] Through the above technical solution, the displacement sensor can detect the data of the up and down movement of the No. 2 detection rod to confirm the floating data of the detection wheel, and the No. 1 groove can facilitate the up and down movement of the No. 1 detection rod.

[0011] Furthermore, a clamping block is clamped at the other end of the clamping rod, the clamping block is hinged with the fixed block, and a magnet is slidably arranged inside the clamping rod;

[0012] Through the above technical solution, when the No. 1 detection rod moves up and down, the clamping block can move along with it, thereby preventing the bottoming out when detecting a road section with poor smoothness.

[0013] Furthermore, the bottom of the magnet is magnetically attached to the fixed block, the top of the magnet is magnetically attached to the second detection rod, and the other end of the second detection rod is fixedly attached to the displacement sensor;

[0014] Through the above technical solution, the magnet can prevent the second detection rod from having an empty stroke when the second detection rod moves up and down faster, so as to ensure the accuracy of the data.

[0015] Furthermore, a slide rod is slidably arranged inside the third slide groove, and the other end of the spring telescopic rod is hingedly arranged with the slide rod;

[0016] Through the above technical solution, the sliding rod can slide inside the sliding groove, and the spring telescopic rod can support the detection wheel, so that the detection wheel can be close to the road surface during detection to prevent jumping.

[0017] Furthermore, the spring telescopic rod is fixedly arranged inside the No. 1 slot, and a hanging mechanism is fixedly arranged on the front side of the mounting plate;

[0018] Through the above technical solution, the hanging mechanism can be connected to a vehicle that can be mounted, such as a testing vehicle, making the device more convenient to use.

[0019] Furthermore, a fixing plate is fixedly arranged on the rear side of the top of the mounting plate, and a detection box is clamped and arranged inside the fixing plate;

[0020] Through the above technical solution, the fixing plate can clamp the detection box to prevent the detection box from falling.

[0021] The utility model has the following beneficial effects:

[0022] 1. The utility model proposes a road surface flatness detection device. When using the device, the floating data of the road surface is transmitted to the displacement sensor through the detection mechanism via the detection wheel. After the floating data of three detection wheels at different positions are integrated through the detection box, this data is the flatness data of this section of the road.

[0023] 2. The utility model proposes a road surface flatness detection device. When using the device, the No. 1 connecting plate can be installed in place through the No. 1 slide groove, and the No. 2 connecting plate can be installed in place through the No. 2 slide groove. When needed, they can be quickly disassembled and installed, making the equipment more convenient to transport and easy to store after disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is an axonometric diagram of the detection mechanism of the utility model;

[0025] Figure 2 It is a side view schematic diagram of the utility model;

[0026] Figure 3 It is a top view schematic diagram of the utility model;

[0027] Figure 4 It is a bottom view schematic diagram of the mounting plate of the utility model;

[0028] Figure 5 It is a front cross-sectional schematic diagram of the mounting plate of the utility model;

[0029] Figure 6 It is a side view schematic diagram of the detection mechanism of the utility model;

[0030] Figure 7 It is a front view schematic diagram of the detection mechanism of the utility model;

[0031] Figure 8 It is a side sectional schematic diagram of the detection mechanism of the utility model;

[0032] Fig. 9 For this utility model Figure 8 A is a partial enlarged schematic diagram of the middle part.

[0033] Legend:

[0034] 1. Mounting plate; 2. No. 1 connecting plate; 3. No. 1 slide; 4. No. 2 slide; 5. No. 1 fixing bolt; 6. No. 2 fixing bolt; 7. Fixing plate; 8. Detection box; 9. Hanging mechanism; 10. No. 2 connecting plate; 11. Detection wheel; 12. Connecting rod; 13. No. 1 detection rod; 14. Detection mechanism; 15. No. 2 slot; 16. Support mechanism; 1401. Top plate; 1402. Displacement sensor; 1403. Snap-on rod; 1404. Snap-on block; 1406. No. 1 slot; 1407. Magnet; 1408. Fixing block; 1409. No. 2 detection rod; 1601. No. 3 slide; 1602. Slide rod; 1603. Spring telescopic rod. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] Reference Figure 1-9 , the utility model provides an embodiment: a road surface flatness detection device, including a mounting plate 1 and a detection wheel 11, the mounting plate 1 has two No. 1 slide grooves 3 on the rear side, the No. 1 slide groove 3 can facilitate the No. 1 connecting plate 2 to slide to a suitable position for easy installation, the No. 1 slide groove 3 is slidably provided with a No. 1 connecting plate 2, the No. 1 connecting plate 2 and the mounting plate 1 are fixedly arranged by a No. 1 fixing bolt 5, a No. 2 slide groove 4 is provided at one end of the front side of the mounting plate 1, the No. 2 slide groove 4 is slidably provided with a No. 2 connecting plate 10, the No. 2 connecting plate 10 and the mounting plate 1 are fixedly arranged by a No. 2 fixing bolt 6;

[0037] A detection mechanism 14 is fixedly arranged at the bottom of the No. 1 connecting plate 2 and the No. 2 connecting plate 10, and the detection mechanism 14 includes a top plate 1401, a displacement sensor, a fixed block 1408 and a No. 2 detection rod 1409. The two detection wheels 11 are hingedly arranged through a connecting rod 12, and a No. 1 detection rod 13 is fixedly arranged between the two connecting rods 12. The No. 1 detection rod 13 can transmit the floating of the detection wheel 11 to the detection mechanism 14. The No. 1 detection rod 13 and the detection mechanism 14 are fixedly arranged, and No. 2 grooves 15 are opened on both sides of the middle part of the No. 1 detection rod 13. A supporting mechanism 16 is arranged inside the No. 2 groove 15, and the supporting mechanism 16 includes a spring telescopic rod 1603 and a No. 3 slide groove 1601. When the device is used, the data of the floating of the road surface is transmitted to the displacement sensor 1402 through the detection wheel 11 through the detection mechanism 14. After the floating data of the three detection wheels 11 at different positions are integrated through the detection box 8, this data is the flatness data of this section of the road.

[0038] A displacement sensor 1402 is fixedly arranged at the bottom of the top plate 1401, and a clamping rod 1403 is fixedly arranged at the bottom of the displacement sensor 1402. A No. 1 slot 1406 is provided on both sides of the front and rear ends of the clamping rod 1403. The displacement sensor 1402 can detect the data of the No. 2 detection rod 1409 moving up and down to confirm the floating data of the detection wheel 11. The No. 1 slot 1406 can facilitate the No. 1 detection rod 13 to move up and down. A clamping block 1404 is clamped at the other end of the clamping rod 1403. The interior of the clamping block 1404 is hinged with the fixed block 1408. The interior of the clamping rod 1403 A magnet 1407 is provided for sliding, so that when the No. 1 detection rod 13 moves up and down, the clamping block 1404 moves along with it, so as to prevent the situation of hitting the bottom when detecting a road section with poor flatness. The bottom of the magnet 1407 is magnetically attracted to the fixed block 1408, and the top of the magnet 1407 is magnetically attracted to the No. 2 detection rod 1409. The other end of the No. 2 detection rod 1409 is fixedly provided with the displacement sensor 1402. The magnet 1407 can prevent the No. 2 detection rod 1409 from having an empty stroke when the No. 2 detection rod 1409 moves up and down faster, so as to ensure the accuracy of the data.

[0039] A slide bar 1602 is slidingly arranged inside the No. 3 slide groove 1601, and the other end of the spring telescopic rod 1603 is hinged to the slide bar 1602, so that the slide bar 1602 can slide inside the slide groove, and the spring telescopic rod 1603 can support the detection wheel 11, so that the detection wheel 11 can be close to the road surface during detection to prevent throwing and jumping. The spring telescopic rod 1603 is fixedly arranged inside the No. 1 groove 1406, and a hanging mechanism 9 is fixedly arranged on the front side of the mounting plate 1, and the hanging mechanism 9 can be connected to a mountable transportation vehicle such as a detection vehicle, so that the equipment is more convenient to use. A fixed plate 7 is fixedly arranged on the top rear side of the mounting plate 1, and a detection box 8 is clamped inside the fixed plate 7, and the fixed plate 7 can clamp the detection box 8 to prevent the detection box 8 from falling.

[0040] Working principle: When using this device, first assemble the No. 1 connecting plate 2 and the No. 2 connecting plate 10 and fix them. After the inspection vehicle is hooked, start the inspection box 8. At this time, the inspection vehicle pulls the equipment, and the inspection wheel 11 transmits the road surface floating data to the inspection mechanism 14. The inspection box 8 integrates the data of the inspection mechanisms 14 at three positions to obtain the flatness data of this section of road. When the road surface is uphill or downhill, the support mechanism 16 can support the No. 1 inspection rod 13, so that the No. 1 inspection rod 13 can also be close to the road surface when it is tilted, which can have a shock-absorbing effect to a certain extent. After the inspection task is completed, the No. 1 connecting plate 2 and the No. 2 connecting plate 10 can be removed for easy transportation and storage.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A road surface flatness detection device, comprising a mounting plate (1) and a detection wheel (11), characterized in that: The mounting plate (1) has two No. 1 slide grooves (3) on the rear side, a No. 1 connecting plate (2) is slidably arranged inside the No. 1 slide groove (3), the No. 1 connecting plate (2) and the mounting plate (1) are fixedly arranged by a No. 1 fixing bolt (5), a No. 2 slide groove (4) is arranged on one end of the front side of the mounting plate (1), a No. 2 connecting plate (10) is slidably arranged inside the No. 2 slide groove (4), and the No. 2 connecting plate (10) and the mounting plate (1) are fixedly arranged by a No. 2 fixing bolt (6); A detection mechanism (14) is fixedly arranged at the bottom of the No. 1 connecting plate (2) and the No. 2 connecting plate (10), and the detection mechanism (14) comprises a top plate (1401), a displacement sensor, a fixed block (1408) and a No. 2 detection rod (1409). The two detection wheels (11) are hingedly arranged through a connecting rod (12), and a No. 1 detection rod (13) is fixedly arranged between the two connecting rods (12). The No. 1 detection rod (13) is fixedly arranged with the detection mechanism (14), and No. 2 grooves (15) are opened on both sides of the middle of the No. 1 detection rod (13), and a support mechanism (16) is arranged inside the No. 2 groove (15), and the support mechanism (16) comprises a spring telescopic rod (1603) and a No. 3 slide groove (1601).

2. A road surface roughness detection device according to claim 1, characterized in that: A displacement sensor (1402) is fixedly arranged at the bottom of the top plate (1401), a clamping rod (1403) is fixedly arranged at the bottom of the displacement sensor (1402), and a No. 1 groove (1406) is provided at both the front and rear sides of the lower end of the clamping rod (1403).

3. A road surface roughness detection device according to claim 2, characterized in that: The other end of the clamping rod (1403) is clamped with a clamping block (1404), the clamping block (1404) is hinged with a fixed block (1408) inside, and a magnet (1407) is slidably arranged inside the clamping rod (1403).

4. A road surface roughness detection device according to claim 3, characterized in that: The bottom of the magnet (1407) is magnetically attached to the fixed block (1408), the top of the magnet (1407) is magnetically attached to the second detection rod (1409), and the other end of the second detection rod (1409) is fixedly attached to the displacement sensor (1402).

5. The road surface roughness detection device according to claim 1, characterized in that: A slide rod (1602) is slidably arranged inside the third slide groove (1601), and the other end of the spring telescopic rod (1603) is hingedly arranged with the slide rod (1602).

6. The road surface roughness detection device according to claim 1, characterized in that: The spring telescopic rod (1603) is fixedly arranged inside the No. 1 slot (1406), and a hanging mechanism (9) is fixedly arranged on the front side of the mounting plate (1).

7. The road surface roughness detection device according to claim 1, characterized in that: A fixing plate (7) is fixedly arranged on the rear side of the top of the installation plate (1), and a detection box (8) is clamped and arranged inside the fixing plate (7).

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