Road compactness test detection device

Abstract

The utility model is applicable to the field of highway quality test, and provides a highway compactness test detection device, which comprises a moving seat, a sampling assembly, a separating assembly, a slicking assembly, a cleaning block and four sensing pieces, the moving seat comprises a top plate, and the bottom of the top plate is connected with a plurality of supporting legs; the sampling assembly comprises two first air cylinders, and the two first air cylinders are connected into the top plate; according to the soil sampling device, efficient and automatic sampling is achieved, the first air cylinder drives the cutting ring to cut into the road surface, the multi-stage air cylinder drives the cutter to separate the bottom of a soil sample from the road surface, and the traditional low-efficiency mode that the cutting ring is cut into the ground manually and soil around the cutting ring is separated manually is abandoned, so that the soil sampling device can complete one-time sampling within a short time; the method greatly improves the working efficiency, is especially suitable for frequent compaction degree detection tasks in a large-scale road construction project, can effectively accelerate the project progress, and reduces the manpower cost investment.

Description

Technical Field

[0001] The utility model belongs to the field of highway quality testing, and particularly relates to a highway compaction degree test and detection device. Background Technique

[0002] During the process of highway construction, it is necessary to measure the subgrade compaction degree in detail. The common methods mainly include the core cutter method. The core cutter method uses a core cutter with a known mass and volume to cut a soil sample. After weighing, subtracting the mass of the core cutter gives the mass of the soil. The volume of the core cutter is the volume of the soil, and thus the density of the soil can be obtained.

[0003] During the sampling process, it is necessary to cut the core cutter into the ground for sampling. After the core cutter is inserted into the road surface, it is necessary to manually use a soil trimming knife to cut the soil body annularly along the outside of the blade until the bottom of the blade is completely exposed, and then lift the core cutter out. Then, manually use a soil trimming knife to level the top and bottom surfaces of the soil sample to make the conical surface smooth and free of loose particles (if the moisture content needs to be measured, a sample can be taken from the middle of the soil sample). The operation is cumbersome and the sampling efficiency is reduced. Therefore, a highway compaction degree test and detection device is needed to solve the above problems. Content of the Utility Model

[0004] The purpose of the embodiment of the utility model is to provide a highway compaction degree test and detection device to solve the problems mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A highway compaction degree test and detection device includes a moving seat, a sampling component, a separation component, a scraping and leveling component, a cleaning block and four sensing components. The moving seat includes a top plate, and several support legs are connected to the bottom of the top plate;

[0007] The sampling component includes two first cylinders, the two first cylinders are connected inside the top plate, and the bottom ends of the two first cylinders are connected to the same core cutter;

[0008] The separation component includes several multi-stage cylinders, the several multi-stage cylinders are connected inside the top plate, and the bottom ends of the several multi-stage cylinders are all connected to a cutting knife;

[0009] The scraping and leveling component includes a vertical plate, a second cylinder and two telescopic rods are connected inside the vertical plate, the second cylinder and the two telescopic rods are connected to the same connecting plate, and the connecting plate is connected to two scraping knives;

[0010] The cleaning block is connected to the bottom of the top plate, and the cleaning block is arranged directly above the core cutter.

[0011] As a further technical solution, several handles are connected to the top of the top plate, and rollers are arranged at the bottoms of the support legs.

[0012] Further technical solution: The shape of the scraper is set as an arc. The diameter of the scraper is slightly larger than the inner diameter of the core cutter, and the diameter of the scraper is smaller than the distance between the two first cylinders. The shape of the scraper is set as an arc.

[0013] Further technical solution: The shape of the cleaning block is set as a cylinder, and the diameter of the bottom of the cleaning block is consistent with the inner diameter of the core cutter.

[0014] Further technical solution: Four sensors are connected to the bottom of the top plate, and the four sensors are respectively arranged in front of and behind the two first cylinders.

[0015] Further technical solution: The shape of the cutting knife is set as inclined, and several cutting knives cooperate with each other to form a conical structure. The core cutter is arranged between several cutting knives.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] In the present utility model, high-efficiency and automated sampling is achieved: The first cylinder drives the core cutter to cut into the road surface, and the multi-stage cylinder drives the cutting knife to separate the bottom of the soil sample from the road surface, abandoning the inefficient method of traditionally relying on manual labor to cut the core cutter into the ground and manually separate the soil around the core cutter. This enables the device to complete a sampling in a relatively short time, greatly improving the work efficiency, especially suitable for frequent compaction degree detection tasks in large-scale highway construction projects, effectively accelerating the project progress and reducing the input of labor costs;

[0018] In the present utility model, precise control of the soil sample volume is achieved: The second cylinder and the telescopic rod work together to drive the scraper to precisely scrape the two ends of the soil sample in the core cutter, and the error between the volume of the soil sample and the volume of the inner diameter of the core cutter can be controlled within a very small range, ensuring highly precise measurement of the soil sample volume, providing a reliable guarantee for subsequent calculation of the compaction degree based on the accurate soil sample volume, and making the detection result more accurately reflect the subgrade compaction situation;

[0019] In the present utility model, guarantee of pure soil sample is achieved: The cleaning block adopts a specific cylindrical design, and the bottom diameter is consistent with the inner diameter of the core cutter. During the process of scraping the soil sample flat, the scraper above can effectively clean the dirt attached to the bottom of the cleaning block, preventing the dirt from contacting the soil sample; during the process of pushing out the soil sample, the cleaning block can stably and smoothly push the soil sample from the core cutter into the collection bag, avoiding contamination of the soil sample due to contact with unclean substances in the outside world during the pushing process, ensuring the purity of the soil sample, making the compaction degree detected based on this soil sample more credible, and providing an accurate basis for the quality assessment of highway engineering;

[0020] The utility model has flexible and stable moving performance: the design of the moving seat takes into account both flexibility and stability. When the device is in use, the staff presses the top plate downward through the handle, so that the core cutter and the cutting knife are inserted into the ground. The device is not easily jacked up by the reaction force, so that the device can work smoothly. Moreover, the top plate can be set as a counterweight plate to solve this problem.

[0021] In order to more clearly illustrate the structural features and functions of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments. Brief Description of the Drawings

[0022] Figure 1 is a schematic structural diagram of the front view three-dimensional of the present utility model;

[0023] Figure 2 is a schematic cross-sectional structural diagram of the front view three-dimensional of the present utility model;

[0024] Figure 3 is a schematic structural diagram of the bottom view three-dimensional of the present utility model.

[0025] In the figure: 1, moving seat; 11, top plate; 12, handle; 13, support leg; 2, sampling assembly; 21, first cylinder; 22, core cutter; 3, separation assembly; 31, multi-stage cylinder; 32, cutting knife; 4, scraping and leveling assembly; 41, vertical plate; 42, second cylinder; 43, telescopic rod; 44, connecting plate; 45, scraping knife; 5, cleaning block; 6, sensing member. Detailed Embodiment

[0026] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model, and are not used to limit the present utility model.

[0027] The following describes the specific implementation of the present utility model in detail with reference to specific embodiments.

[0028] Embodiment 1

[0029] As Figures 1 - 3 shown, the embodiment of the present utility model provides a highway compaction degree test and detection device, which includes a moving seat 1, a sampling assembly 2, a separation assembly 3, a scraping and leveling assembly 4, a cleaning block 5 and four sensing members 6. The moving seat 1 includes a top plate 11. A plurality of support legs 13 are connected to the bottom of the top plate 11. A plurality of handles 12 are connected to the top of the top plate 11. Rollers are provided at the bottom of the support legs 13;

[0030] The sampling assembly 2 includes two first cylinders 21. The two first cylinders 21 are connected in the top plate 11. The bottom ends of the two first cylinders 21 are connected to the same core cutter 22;

[0031] The controller is manually operated to send an extension instruction to the first cylinder 21. After the first cylinder 21 receives the instruction, the piston inside it moves downward under the action of air pressure, driving the cutting ring 22 connected to the bottom end to move downward synchronously until the cutting ring 22 cuts into the road surface;

[0032] The separating assembly 3 includes a number of multi-stage cylinders 31. The number of multi-stage cylinders 31 are connected inside the top plate 11. The bottom ends of the number of multi-stage cylinders 31 are all connected to the cutting knives 32. The shape of the cutting knives 32 is set to be inclined. The number of cutting knives 32 cooperate with each other to form a conical structure. The cutting ring 22 is arranged between the number of cutting knives 32;

[0033] Four sensing members 6 are connected to the bottom of the top plate 11. The four sensing members 6 are respectively arranged in front of and behind the two first cylinders 21. The sensing rod is composed of a sensing switch and a telescopic structure with a built-in spring. When the upward moving cutting ring 22 contacts the sensing switch at the bottom of the sensing rod, at this time, the cutting ring 22 is positioned at the middle position in front of the two scraping knives 45. And during this process, the sensing switch senses the signal and transmits the signal to the controller. After receiving the signal, the controller immediately issues an instruction to control the second cylinder 42 to extend and contract, and at the same time control the first cylinder 21 to stop working.

[0034] In this embodiment, when the device moves to a suitable position and the ground directly below the cutting ring 22 is flat, control the first cylinder 21 to extend. The extended first cylinder 21 drives the cutting ring 22 to move downward and then contact the ground. Then the downward moving cutting ring 22 cuts into the road surface. When the cutting ring 22 completely moves into the road surface, control the number of multi-stage cylinders 31 to extend synchronously. The extended number of multi-stage cylinders 31 all drive the cutting knives 32 to move downward. The moving cutting knives 32 contact the road surface and then are inserted into the road surface obliquely. Then the number of cutting knives 32 move to the bottom of the cutting ring 22 and contact it. At this time, the bottom of the soil sample in the cutting ring 22 is separated from the road surface. Control the first cylinder 21 to move upward. The upward moving first cylinder 21 drives the cutting ring 22 to move upward. The upward moving cutting ring 22 drives the soil sample inside it to move upward synchronously;

[0035] Embodiment 2

[0036] Please refer to Figures 1 - 3 , the difference between this embodiment and Embodiment 1 is that: the leveling assembly 4 includes a vertical plate 41. Inside the vertical plate 41, a second cylinder 42 and two telescopic rods 43 are connected. The second cylinder 42 and the two telescopic rods 43 are connected to the same connecting plate 44. The connecting plate 44 is connected to the two scraping knives 45; the shape of the scraping knives 45 is set to be arc-shaped. The diameter of the scraping knives 45 is slightly larger than the inner diameter of the cutting ring 22. The diameter of the scraping knives 45 is smaller than the distance between the two first cylinders 21. The shape of the scraping knives 45 is set to be arc-shaped.

[0037] In this embodiment, after the contracted first air cylinder 21 drives the core cutter 22 to contact the sensing member 6, the sensing member 6 controls the second air cylinder 42 to extend and contract, and at the same time controls the first air cylinder 21 to stop working. When the second air cylinder 42 extends, the extended second air cylinder 42 drives two scraping blades 45 forward through the connecting plate 44. The two forward-moving scraping blades 45 are respectively lapped with the top and bottom of the core cutter 22. The two scraping blades 45 level the two ends of the soil sample in the core cutter 22, so that the volume of the soil sample in the core cutter 22 is consistent with the volume of the inner diameter of the core cutter 22. It is not only simple to operate, but also ensures the volume of the soil sample.

[0038] Embodiment 3

[0039] Please refer to Figures 1 - 3 , the difference between this embodiment and Embodiment 1 is that: the cleaning block 5 is connected to the bottom of the top plate 11, and the cleaning block 5 is arranged directly above the core cutter 22; the shape of the cleaning block 5 is set to be cylindrical, and the diameter of the bottom of the cleaning block 5 is the same as the inner diameter of the core cutter 22;

[0040] In this embodiment, when the two scraping blades 45 level the soil sample, the upper scraping blade 45 contacts the bottom of the cleaning block 5, and the scraping blade 45 cleans the dirt attached to the bottom of the cleaning block 5, so that it is not easy for dirt to adhere to the inside of the cleaning block 5, and then cause the dirt to contact and press into the sample, so that the quality of the soil sample is not easily affected;

[0041] After the two moving scraping blades 45 level the soil sample in the core cutter 22, the collection bag is moved directly below the core cutter 22, and after the contracted second air cylinder 42 drives the scraping blade 45 to be displaced from the core cutter 22, the first air cylinder 21 is controlled to continue to contract. The contracted first air cylinder 21 drives the core cutter 22 to move upward. When the soil sample contacts the cleaning block 5, the cleaning block 5 pushes the soil sample in the upward-moving scraping blade 45, so that the soil sample in the core cutter 22 is pushed out from the inside and falls into the collection bag. Then the staff marks the soil sample in the collection bag, so that the collected soil sample can be quickly taken out and marked.

[0042] The circuits, electronic components and modules involved are all prior arts, which can be fully realized by those skilled in the art without further elaboration. The content protected by the present utility model does not involve improvements to software and methods either.

[0043] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A highway compaction test device, comprising a moving seat (1), a sampling assembly (2), a separation assembly (3), a scraping assembly (4), a cleaning block (5) and four sensing elements (6), characterized in that: The movable seat (1) includes a top plate (11), and a plurality of support legs (13) are connected to the bottom of the top plate (11); The sampling assembly (2) includes two first cylinders (21), the two first cylinders (21) are connected in the top plate (11), and the bottom ends of the two first cylinders (21) are connected to the same core cutter (22); The separation assembly (3) includes a plurality of multi-stage cylinders (31), the plurality of multi-stage cylinders (31) are connected in the top plate (11), and the bottom ends of the plurality of multi-stage cylinders (31) are all connected to the cutting knife (32); The leveling assembly (4) includes a vertical plate (41), a second cylinder (42) and two telescopic rods (43) are connected in the vertical plate (41), the second cylinder (42) and the two telescopic rods (43) are connected to the same connecting plate (44), and the connecting plate (44) is connected to two scraping knives (45); The cleaning block (5) is connected to the bottom of the top plate (11), and the cleaning block (5) is arranged directly above the core cutter (22).

2. The highway compaction degree test and detection device according to claim 1, characterized in that: A plurality of handles (12) are connected to the top of the top plate (11), and rollers are provided at the bottoms of the support legs (13).

3. The highway compaction degree test and detection device according to claim 1, characterized in that: The shape of the scraping knife (45) is set to be arc-shaped, the diameter of the scraping knife (45) is slightly larger than the inner diameter of the core cutter (22), the diameter of the scraping knife (45) is smaller than the distance between the two first cylinders (21), and the shape of the scraping knife (45) is set to be arc-shaped.

4. The highway compaction degree test and detection device according to claim 1, wherein: The shape of the cleaning block (5) is set to be cylindrical, and the diameter of the bottom of the cleaning block (5) is consistent with the inner diameter of the core cutter (22).

5. The highway compaction degree test and detection device according to claim 1, wherein: Four sensors (6) are connected to the bottom of the top plate (11), and the four sensors (6) are respectively arranged in front of and behind the two first cylinders (21).

6. The highway compaction degree test and detection device according to claim 1, characterized in that: The shape of the cutting knife (32) is set to be inclined, and a plurality of cutting knives (32) cooperate with each other to form a conical structure, and the core cutter (22) is arranged between the plurality of cutting knives (32).

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