Asphalt pavement detection device

Abstract

The utility model provides an asphalt pavement detection device, which comprises a support, a plurality of groups of measuring components arranged in a rectangular array are arranged in the support, each measuring component comprises a shell, a pressure sensor and a sliding plate, the pressure sensor is fixed on the lower surface of the top of the shell, and the sliding plate is in sliding fit with the inner wall of the shell. A spring is buckled to the side, opposite to the sliding plate, of the pressure sensor, the bottom of the sliding plate is connected with a pressing plate through a range extending assembly, the support comprises a first hollowed-out plate and a second hollowed-out plate, the first hollowed-out plate and the second hollowed-out plate are fixedly connected through a plurality of supporting rods, and the shell is fixedly connected to the inner wall of the first hollowed-out plate and the inner wall of the second hollowed-out plate. Handles are fixed to the outer walls of the two sides of the first hollowed-out plate through bolts, and a gradienter is installed on the inner wall of the second hollowed-out plate. According to the utility model, the plurality of groups of measuring assemblies are arranged in the rectangular array, so that the flatness of the asphalt pavement in the detection range can be known only by pressing the bracket, the operation steps are simplified, and the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to asphalt pavement detection technical field, in particular to a kind of asphalt pavement detection device. BACKGROUND

[0002] Asphalt pavement flatness is one of important indicators to measure road performance, according to detection result, the flatness condition of asphalt pavement can be evaluated, and corresponding maintenance or maintenance plan is formulated, so as to improve the performance and safety of road.

[0003] According to the search, the patent with Chinese patent publication No.CN219508327U discloses a kind of asphalt pavement flatness detection device, including detection support and multiple measuring columns inserted in detection support, the top of multiple measuring columns is fixedly installed with top ring, the top of detection support is fixedly installed with C-shaped plate, the top of C-shaped plate is penetrated with rectangular slot, the inner wall of rectangular slot is slidably installed with sliding block, the outer surface of sliding block is penetrated with pressing rod from top to bottom, the bottom of pressing rod is fixedly installed with the pressing ring matched with top ring, the top of pressing rod is fixedly installed with pressing disc.

[0004] The above patent has the following shortcomings: it needs to press each measuring column separately to obtain asphalt pavement flatness data, and the efficiency is slow.

[0005] Therefore, a kind of asphalt pavement detection device is provided. UTILITY MODEL CONTENT

[0006] Therefore, the utility model embodiment hopes to provide a kind of asphalt pavement detection device to solve or alleviate the technical problems in prior art, at least provide a kind of beneficial selection.

[0007] The technical scheme of the utility model embodiment is realized as follows: a kind of asphalt pavement detection device, including support, the inside of support is provided with multiple groups of measuring assembly arranged in rectangular array, measuring assembly includes shell, pressure sensor and sliding plate, pressure sensor is fixed to the top lower surface of shell, sliding plate is slidably fitted in the inner wall of shell, the opposite side of pressure sensor and sliding plate is buckled with spring, the bottom of sliding plate is connected with pressing plate by amplification component.

[0008] In some embodiments, the support includes hollow plate one and hollow plate two.

[0009] In some embodiments, the hollow plate one and the hollow plate two are fixedly connected by a plurality of support rods, and the shell is fixedly connected to the inner walls of the hollow plate one and the hollow plate two.

[0010] In some embodiments, the outer walls on both sides of the hollow plate one are fixedly provided with handles by bolts.

[0011] In some embodiments, the hollowed plate is provided with a level meter on the inner wall.

[0012] In some embodiments, the power amplification assembly comprises a rack one and a rack two, the rack one is slidingly fitted on the inner wall of the shell, and the rack two is fixedly connected to the inner wall of the shell.

[0013] In some embodiments, the rack one and the rack two are engaged with the same gear on the opposite side, the gear is keyed connected with a rotating shaft on the inner wall, and the rotating shaft is rotationally fitted with a moving frame on the outer wall.

[0014] In some embodiments, the moving frame is fixedly connected with a connecting rod at the bottom, and the pressing plate is fixedly connected to the bottom of the connecting rod.

[0015] The embodiment of the utility model has the following advantages due to the adoption of the above technical scheme:

[0016] 1. An asphalt pavement detection device, by setting multiple groups of rectangular array arranged measuring assemblies, only need to press the support can know the flatness of the asphalt pavement in the detection range, simplify the operation steps, improve the detection efficiency.

[0017] 2. An asphalt pavement detection device, by setting a power amplification assembly, the moving speed of the sliding plate is greater than the moving speed of the pressing plate, the stroke of the sliding plate is amplified to increase the compression amount of the spring, thereby improving the sensitivity and accuracy of detection.

[0018] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above described illustrative aspects, embodiments and features, further aspects, embodiments and features of the utility model will be readily apparent from the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0020] Fig. 1 It is a whole structure schematic view of the utility model;

[0021] Fig. 2 It is a measuring assembly and power amplification assembly structure schematic view of the utility model;

[0022] Fig. 3 It is a support structure schematic view of the utility model.

[0023] Reference signs:

[0024] 1. Bracket; 2. Measuring component; 3. Housing; 4. Pressure sensor; 5. Spring; 6. Slide plate; 7. Rack 1; 8. Gear; 9. Moving frame; 10. Rack 2; 11. Connecting rod; 12. Pressure plate; 13. Hollow plate 1; 14. Handle; 15. Support rod; 16. Hollow plate 2; 17. Level. DETAILED DESCRIPTION

[0025] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0026] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0027] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0028] Example 1:

[0029] like Figs. 1-3 As shown, an asphalt pavement detection device includes a bracket 1.

[0030] The bracket 1 is internally provided with a plurality of groups of measuring components 2 arranged in a rectangular array. The measuring components 2 include a shell 3, a pressure sensor 4 and a slide 6. The pressure sensor 4 is fixed to the lower surface of the top of the shell 3. The slide 6 is slidably fitted on the inner wall of the shell 3. A spring 5 is buckled on the opposite side of the pressure sensor 4 and the slide 6. The bottom of the slide 6 is connected to a pressure plate 12 through a stroke-extending component.

[0031] After all the pressure plates 12 are in contact with the ground, the bracket 1 is pressed downward, and the slide plate 6 is pushed upward by the stroke extension component. The spring 5 is elastically deformed under the force, and the pressure sensor 4 is used to detect the change in the compression amount of the spring 5, so that the flatness of the asphalt can be known.

[0032] By providing a plurality of measuring components 2 arranged in a rectangular array, the flatness of the asphalt road surface within the detection range can be obtained by simply pressing the bracket 1, thereby simplifying the operation steps and improving the detection efficiency.

[0033] In the embodiment, the support 1 comprises a hollow plate one 13 and a hollow plate two 16, the hollow plate one 13 and the hollow plate two 16 are fixedly connected through a plurality of support rods 15, and the shell 3 is fixedly connected to the inner walls of the hollow plate one 13 and the hollow plate two 16.

[0034] The outer walls on both sides of the hollow plate one 13 are fixedly provided with handles 14 through bolts, and the inner wall of the hollow plate two 16 is provided with a level 17.

[0035] The handle 14 is convenient for moving the whole device, the pressing plate 12 is in contact with the ground, and if the device is not horizontal when detected by the level 17, the device is adjusted to be horizontal, at this time, the sliding plates 6 move different distances, so that the compression amounts of the springs 5 are different, so that the flatness of the asphalt pavement can be known.

[0036] Embodiment 2:

[0037] An asphalt pavement detection device, the embodiment is improved on the basis of embodiment 1, as shown in Fig. 2

[0038] The amplification assembly comprises a rack one 7 and a rack two 10, the rack one 7 is slidingly fitted to the inner wall of the shell 3, and the rack two 10 is fixedly connected to the inner wall of the shell 3.

[0039] The opposite side of the rack one 7 and the rack two 10 is engaged with the same gear 8, the inner wall of the gear 8 is key-connected with a rotating shaft, and the outer wall of the rotating shaft is rotationally fitted with a moving frame 9.

[0040] The bottom of the moving frame 9 is fixedly connected with a connecting rod 11, and the pressing plate 12 is fixedly connected to the bottom of the connecting rod 11.

[0041] After the pressing plate 12 is in contact with the ground, the handle 14 is continuously pressed, the pressing plate 12 pushes the moving frame 9 through the connecting rod 11 to drive the gear 8 to move upwards, the gear 8 moves and rotates under the cooperation of the rack one 7 and the rack two 10, the rotation of the gear 8 drives the rack one 7 to slide along the inner wall of the shell 3, the rack one 7 drives the sliding plate 6 to move up and down, and the moving speed of the sliding plate 6 is twice the moving speed of the pressing plate 12.

[0042] Through the setting of the amplification assembly, the moving speed of the sliding plate 6 is greater than the moving speed of the pressing plate 12, the stroke of the sliding plate 6 is amplified to increase the compression amount of the spring 5, so as to improve the sensitivity and accuracy of detection.

[0043] ​Working principle: the device in use, the detection personnel both hands handgrip 14 will be placed in the device to be detected road, the pressure plate 12 and ground contact, through the level 17 observation current device overall level state, then handgrip 14 will be adjusted to the device to the horizontal state, and keep a certain time, the pressure plate 12 with connecting rod 11 push mobile frame 9 drive gear 8 up, under the cooperation of rack 7 and rack 10 make gear 8 rotate while moving, the rotation of gear 8 in turn drive rack 7 along the inner wall of the shell 3 sliding, using rack 7 drive slide 6 up and down, and the moving speed of slide 6 is the pressure plate 12 moving speed of two times, thereby increasing the compression amount of spring 5, improve the detection sensitivity and accuracy of pressure sensor 4, because the road surface flatness is different, the results of each pressure sensor 4 detection are also different, the detection results record and analysis can be known in the current detection range of asphalt pavement flatness result.

[0044] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled in the art of the present application disclosed in the technical range, can easily think of its various changes or replacement, these should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An asphalt pavement detection device, comprising a bracket (1), characterized in that: The bracket (1) is internally provided with a plurality of measurement components (2) arranged in a rectangular array. The measurement components (2) include a housing (3), a pressure sensor (4), and a slide plate (6). The pressure sensor (4) is fixed to the top lower surface of the housing (3). The slide plate (6) is slidably fitted to the inner wall of the housing (3). A spring (5) is buckled on the opposite side of the pressure sensor (4) and the slide plate (6). The bottom of the slide plate (6) is connected to a pressure plate (12) via a stroke extension component.

2. The asphalt pavement detection device according to claim 1, characterized in that: The bracket (1) comprises a first hollow plate (13) and a second hollow plate (16).

3. The asphalt pavement detection device according to claim 2, characterized in that: The hollow plate 1 (13) and the hollow plate 2 (16) are fixedly connected via a plurality of support rods (15), and the outer shell (3) is fixedly connected to the inner walls of the hollow plate 1 (13) and the hollow plate 2 (16).

4. The asphalt pavement detection device according to claim 2, characterized in that: The outer walls on both sides of the hollow plate (13) are fixed with handles (14) by bolts.

5. The asphalt pavement detection device according to claim 2, characterized in that: A level (17) is installed on the inner wall of the second hollow plate (16).

6. The asphalt pavement detection device according to claim 1, characterized in that: The extended stroke assembly comprises a rack 1 (7) and a rack 2 (10), wherein the rack 1 (7) is slidably fitted on the inner wall of the housing (3), and the rack 2 (10) is fixedly connected to the inner wall of the housing (3).

7. The asphalt pavement detection device according to claim 6, characterized in that: The opposite sides of the rack 1 (7) and the rack 2 (10) are meshed with a same gear (8), the inner wall of the gear (8) is key-connected with a rotating shaft, and the outer wall of the rotating shaft is rotatably matched with a moving frame (9).

8. The asphalt pavement detection device according to claim 7, characterized in that: The bottom of the movable frame (9) is fixedly connected to a connecting rod (11), and the pressing plate (12) is fixedly connected to the bottom of the connecting rod (11).

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