Device for nondestructive automatic detection of compaction degree of graded broken stone base
By combining non-contact measurement technology with adjustment components, the problem of road damage caused by traditional destructive testing is solved, achieving high efficiency and accuracy in non-destructive testing, adapting to various construction environments, and ensuring real-time data transmission and reliability.
Patent Information
- Application Number
- CN202422982871.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Traditional compaction testing methods are destructive, which can damage roads, hinder subsequent maintenance and use, and are inefficient.
Non-contact measurement technologies, including laser ranging and ultrasonic testing, combined with adjustment and data transmission components, are employed to achieve non-destructive testing.
It achieves non-destructive testing, improves testing efficiency and accuracy, adapts to various construction environments, and ensures data real-time performance and reliability.
Smart Images

Figure CN223711560U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to engineering detection technical field, concretely is a kind of nondestructive automatic detection gradation macadam base compaction degree device. BACKGROUND
[0002] In road engineering construction, the compaction degree of gradation macadam base is a vital quality index. It directly affects the flatness, bearing capacity and service life of the road. Therefore, accurately and efficiently detecting the compaction degree of gradation macadam base is of great significance to ensure the quality of road engineering.
[0003] Traditional compaction degree detection methods are mostly destructive detection, such as core drilling sampling method. Although these methods can obtain relatively accurate data, they are complex to operate, low in efficiency, and can damage the road, which is not conducive to subsequent maintenance and use. UTILITY MODEL CONTENT
[0004] To solve the problem of damaging the road and being not conducive to subsequent maintenance and use in the prior art, the utility model provides a nondestructive automatic detection gradation macadam base compaction degree device. By using non-contact measurement technology such as laser ranging and ultrasonic detection, this nondestructive detection method not only avoids the inconvenience and loss caused by traditional destructive detection, but also improves the detection efficiency and accuracy, providing strong support for road engineering quality control.
[0005] To achieve the above-mentioned purpose, the specific technical solutions are as follows:
[0006] A nondestructive automatic detection gradation macadam base compaction degree device includes a mobile platform, a fixed block is fixedly installed on the top surface of the mobile platform, a fixed plate is fixedly installed on the top surface of the fixed block, a support rod is fixedly installed on the left side of the top surface of the fixed plate, an installation plate is arranged above the fixed plate, a rotating column is arranged on the installation plate, a round rod is fixedly installed on the top surface of the rotating column, a nuclear density meter is fixedly installed on the bottom surface of the round rod, and a connecting block is fixedly installed on the rear wall of the mobile platform. An adjusting assembly is arranged on the fixed plate and used to adjust the round rod and the nuclear density meter. A data transmission assembly is arranged on the connecting block and used to process and transmit the data detected by the nuclear density meter.
[0007] Further, the adjusting assembly includes a gas cylinder, the gas cylinder is arranged on the fixed block, the top surface of the mobile platform and the fixed block are both provided with an installation slot, the gas cylinder is fixedly installed on the bottom surface of the installation slot, and the output end of the gas cylinder is connected with the bottom surface of the installation plate.
[0008] Further, the adjusting assembly further comprises: a motor, the motor is arranged on the mounting plate, a circular groove is formed in the top surface of the mounting plate, the motor is fixedly installed on the bottom surface of the circular groove, and the rotating column is rotatably connected to the inner wall of the circular groove through a bearing.
[0009] Further, the data transmission assembly comprises: a lower shell, the lower shell is fixedly installed on the top surface of the connecting block, an upper shell is fixedly installed on the top surface of the lower shell, and a partition plate is fixedly installed at the joint of the lower shell and the partition plate.
[0010] Further, the data transmission assembly further comprises: a signal converter, the signal converter is fixedly installed on the bottom surface in the lower shell, a wireless communication chip is fixedly installed on the top surface of the partition plate, an antenna is fixedly installed on the top surface of the upper shell, and a battery is fixedly installed on one side of the top surface of the partition plate.
[0011] Further, two heat dissipation holes are formed in the bottom surface in the lower shell, the two heat dissipation holes are located on the two sides of the signal converter, and heat dissipation fans are fixedly installed on the bottom surface in the lower shell and above the two heat dissipation holes.
[0012] Compared with the prior art, the device has at least the following beneficial effects:
[0013] 1) By arranging the adjusting assembly, the height and angle of the core-free density instrument can be flexibly adjusted by the extension of the cylinder and the rotation of the motor, different positions and depths can be detected, the adjusting mechanism makes the device adapt to various construction environments and detection requirements, and the applicability and flexibility of the device are improved.
[0014] 2) By arranging the data transmission assembly, the device can realize real-time data transmission and remote monitoring, the signal converter converts the measurement data into digital signals, the wireless communication chip and the antenna are used for wireless transmission, the real-time performance and accuracy of the data can be ensured, the battery power supply and the heat dissipation system are arranged to ensure the stable operation and long service life of the data transmission assembly, and the reliability and durability of the device are further improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a left side structure schematic view of the utility model;
[0016] Figure 2 is a right side structure schematic view of the utility model;
[0017] Figure 3 is a structure schematic view of the fixed plate and the mounting plate of the utility model;
[0018] Figure 4 is a structure schematic view of the mounting plate and the rotating column of the utility model;
[0019] Figure 5 It is the explosion construction schematic view of the data transmission assembly.
[0020] As shown in the figure: 1, mobile platform; 2, fixed block; 3, fixed plate; 4, support rod; 5, cooling fan; 6, mounting plate; 7, rotating column; 8, round rod; 9, core-free density instrument; 10, connecting block; 11, data transmission assembly; 12, air cylinder; 13, mounting groove; 14, round groove; 15, motor; 16, upper shell; 17, lower shell; 18, partition; 19, signal converter; 20, wireless communication chip; 21, antenna; 22, battery; 23, cooling hole. DETAILED DESCRIPTION
[0021] The utility model will be described in detail below in combination with the specific embodiments shown in the drawings. However, these embodiments do not limit the utility model, and the changes in structure, method or function made by those skilled in the art based on these embodiments are all included in the protection scope of the utility model.
[0022] As shown in the figure, Figure 1 - Figure 5 The utility model aims at providing a kind of automatic detection graded broken stone base compaction degree device without loss, to solve the problem of damaging road in prior art, not conducive to subsequent maintenance and use. According to the above function, the whole device includes mobile platform 1, core-free density instrument 9 and data transmission assembly 11.
[0023] As shown in the figure, Figure 1 - Figure 5 As shown in the figure, mobile platform 1 is prior art, and Chinese patent with publication number CN209871510U has been disclosed, the top surface of mobile platform 1 is fixedly installed with fixed block 2, the top surface of fixed block 2 is fixedly installed with fixed plate 3, the top surface of fixed plate 3 is fixedly installed with support rod 4 on left side, the bottom surface of support rod 4 can be installed other detection equipment, such as camera etc., mounting plate 6 is arranged above fixed plate 3, rotating column 7 is arranged on mounting plate 6, round rod 8 is fixedly installed on the top surface of rotating column 7, the transverse length of round rod 8 is greater than the longitudinal length of mobile platform 1, when round rod 8 rotates, it will not touch the outer surface of mobile platform 1, core-free density instrument 9 is fixedly installed on the bottom surface of round rod 8, and core-free density instrument 9 is used to measure graded broken stone base compaction degree, core-free density instrument 9 is prior art, and Chinese patent with publication number CN204924849U has been disclosed, connecting block 10 is fixedly installed on the rear wall of mobile platform 1, adjusting assembly is arranged on fixed plate 3, and it is used to adjust round rod 8 and core-free density instrument 9, data transmission assembly 11 is arranged on connecting block 10, and it is used to process and transmit the data detected by core-free density instrument 9;
[0024] As shown in the figure, Figure 3 andFigure 4 As shown, the adjusting assembly comprises: a cylinder 12, the cylinder 12 is arranged on the fixed block 2, the moving platform 1 and the top surface of the fixed block 2 are both provided with an installation groove 13, the cylinder 12 is fixedly installed on the bottom surface of the installation groove 13, the output end of the cylinder 12 is connected with the bottom surface of the installation plate 6, when the output end of the cylinder 12 is telescoped, the installation plate 6 will be telescoped synchronously, the data transmission assembly 11 further comprises: a motor 15, the motor 15 is arranged on the installation plate 6, the top surface of the installation plate 6 is provided with a circular groove 14, the motor 15 is fixedly installed on the bottom surface of the circular groove 14, the rotating column 7 is rotatably connected with the inner wall of the circular groove 14 through a bearing, the output shaft of the motor 15 is connected with the bottom surface of the rotating column 7, when the output shaft of the motor 15 rotates, the rotating column 7 will rotate synchronously, so that the circular rod 8 fixedly connected with the rotating column 7 and the nuclear density instrument 9 fixedly connected with the circular rod 8 rotate synchronously.
[0025] As shown in the figure, Figure 5 As shown, the data transmission assembly 11 comprises: a lower shell 17, the lower shell 17 is fixedly installed on the top surface of the connecting block 10, the top surface of the lower shell 17 is fixedly installed with an upper shell 16, the upper shell 16 and the lower shell 17 are used for protecting each part on the data transmission assembly 11, the intersection of the lower shell 17 and the partition plate 18 is fixedly installed with the partition plate 18, the partition plate 18 is used for dividing each part on the data transmission assembly 11, avoiding heat accumulation and affecting operation, the data transmission assembly 11 further comprises: a signal converter 19 fixedly installed on the bottom surface inside the lower shell 17, the signal converter 19 converts the image information captured by the nuclear density instrument 9 into a digital signal for subsequent processing and transmission, a wireless communication chip 20 fixedly installed on the top surface of the partition plate 18, the wireless communication chip 20 is used for realizing wireless communication function, an antenna 21 fixedly installed on the top surface of the upper shell 16, the antenna 21 converts wireless signals into electromagnetic waves for sending and receiving, a battery 22 fixedly installed on one side of the wireless communication chip 20 on the top surface of the partition plate 18, the battery 22 is used for supplying power to each part inside the data transmission assembly 11, two heat dissipation holes 23 are provided on the bottom surface inside the lower shell 17, the two heat dissipation holes 23 are respectively located on both sides of the signal converter 19, a heat dissipation fan 5 is fixedly installed on the bottom surface inside the lower shell 17 above the two heat dissipation holes 23, the heat dissipation fan 5 and the heat dissipation hole 23 are used for accelerating the discharge of heat inside the upper shell 16 and the lower shell 17;
[0026] Working principle:
[0027] In use, first of all, the moving platform 1 carries the whole device, and moves and positions on the construction site, through the movement of the moving platform 1, the device can conveniently reach each position needing to be detected, on the top of the moving platform 1, the fixed block 2 and the fixed plate 3 provide a stable support structure, the nuclear density gauge 9 on the mounting plate 6 is also a key equipment for detecting the compaction degree, through its unique working principle, the nuclear density gauge 9 can accurately measure the density of the graded broken stone base, thereby indirectly reflecting the compaction degree condition, in order to realize effective detection of different positions, the device is also equipped with an adjusting assembly, the cylinder 12 drives the mounting plate 6 to extend and retract, so that the round rod 8 and the nuclear density gauge 9 can be adjusted up and down within a certain range, and the motor 15 drives the rotating column 7 to rotate, thereby driving the round rod 8 and the nuclear density gauge 9 to rotate in the horizontal direction, this adjusting mechanism enables the device to adapt to different construction environments and detection requirements, the data transmission assembly 11 is the core of the whole device, the signal converter 19 is responsible for converting the image information captured by the nuclear density gauge 9 into digital signals, so as to facilitate subsequent processing and transmission, the wireless communication chip 20 realizes the wireless communication function of data, so that the device can realize real-time data transmission with the remote monitoring center or other equipment, the antenna 21 serves as the medium for wireless communication, converts the wireless signal into electromagnetic waves for transmission and reception, the battery 22 provides power support for each part inside the data transmission assembly 11, ensures the continuous and stable operation of the device, and the combination of the heat dissipation hole 23 and the cooling fan 5 effectively solves the problem of heat accumulation of the device during operation, and guarantees the stability and reliability of the internal parts;
[0028] In work, the nuclear density gauge 9 respectively measures the deformation and density of the graded broken stone base surface, and converts the measured data into digital signals, these digital signals are sent to the remote monitoring center or other equipment through the wireless communication chip 20 and the antenna 21 after being processed by the signal converter 19, through analyzing and processing the received data, the compaction degree condition of the graded broken stone base can be evaluated in real time, which provides strong support for the monitoring of construction quality.
[0029] It should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other implementation manners that those skilled in the art can understand.
[0030] The series of detailed descriptions listed above are only specific descriptions of the feasible implementation manners of the present utility model, and they are not used to limit the protection scope of the present utility model, and equivalent implementation manners or changes made without departing from the spirit of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A device for non-destructive automatic detection of the compactness of a graded crushed stone base, comprising a mobile platform (1), characterized in that: The top surface of the mobile platform (1) is fixedly installed with a fixed block (2), the top surface of the fixed block (2) is fixedly installed with a fixed plate (3), the top surface of the left side of the fixed plate (3) is fixedly installed with a support rod (4), the upper portion of the fixed plate (3) is provided with a mounting plate (6), the mounting plate (6) is provided with a rotating column (7), the top surface of the rotating column (7) is fixedly installed with a round rod (8), the bottom surface of the round rod (8) is fixedly installed with a nuclear density instrument (9), and the rear wall of the mobile platform (1) is fixedly installed with a connecting block (10); The fixed plate (3) is provided with an adjusting assembly, and is used for adjusting the round rod (8) and the nuclear density instrument (9); The connecting block (10) is provided with a data transmission assembly (11), and is used for processing and transmitting the data detected by the nuclear density instrument (9).
2. The device for non-destructive automatic detection of compactness of graded crushed stone base according to claim 1, characterized in that: The adjusting assembly comprises: A cylinder (12) is arranged on the fixed block (2), the top surface of the mobile platform (1) and the fixed block (2) are both provided with an installation groove (13), the cylinder (12) is fixedly installed on the bottom surface of the installation groove (13), and the output end of the cylinder (12) is connected with the bottom surface of the mounting plate (6).
3. The device according to claim 1, characterized in that: The adjusting assembly further comprises: A motor (15) is arranged on the mounting plate (6), the top surface of the mounting plate (6) is provided with a circular groove (14), the motor (15) is fixedly installed on the bottom surface of the circular groove (14), and the rotating column (7) is rotatably connected to the inner wall of the circular groove (14) through a bearing.
4. The device according to claim 1, characterized in that: The data transmission assembly (11) comprises: A lower shell (17) is fixedly installed on the top surface of the connecting block (10), the top surface of the lower shell (17) is fixedly installed with an upper shell (16), and the intersection of the lower shell (17) and the partition plate (18) is fixedly installed with a partition plate (18).
5. The device for non-destructive automatic detection of compactness of graded crushed stone base according to claim 4, characterized in that: The data transmission assembly (11) further comprises: A signal converter (19) is fixedly installed on the bottom surface in the lower shell (17), a wireless communication chip (20) is fixedly installed on the top surface of the partition plate (18), an antenna (21) is fixedly installed on the top surface of the upper shell (16), and a battery (22) is fixedly installed on one side of the wireless communication chip (20) on the top surface of the partition plate (18).
6. The device for non-destructive automatic detection of compactness of graded crushed stone base according to claim 4, characterized in that: The bottom surface in the lower shell (17) is provided with two heat dissipation holes (23), the two heat dissipation holes (23) are respectively located on the two sides of the signal converter (19), and the bottom surface in the lower shell (17) is fixedly installed with a heat dissipation fan (5) above the two heat dissipation holes (23).
Citation Information
Patent Citations
Pitch does not have cuclear density appearance
CN204924849U
Mobile platform
CN209871510U