Compaction device for asphalt concrete detection
By designing compaction and testing mechanisms within the fixed cylinder, the problem of unevenness in traditional asphalt concrete compaction testing was solved, achieving efficient and accurate compaction and testing, and improving the scientific nature and continuity of the test data.
Patent Information
- Application Number
- CN202423155105.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-20
AI Technical Summary
In the traditional asphalt concrete production process, compaction testing relies on simple tools, which leads to uneven compaction, inaccurate test data, and large dispersion.
A compaction device comprising a fixed cylinder, a compaction mechanism, and a detection mechanism was designed. The compaction block is driven by a cylinder to slide and engage with the fixed cylinder. Combined with the inclined feed pipe and funnel feeding, the compaction uniformity is ensured, and accurate evaluation is achieved through multi-point detection.
It achieves high efficiency and precision in compaction, avoids feed blockage, improves operational continuity, and enables multi-point sampling to ensure the scientific validity and representativeness of test data.
Smart Images
Figure CN223692115U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building material detection technical field especially, it relates to asphalt concrete detection compaction device. BACKGROUND
[0002] Asphalt is the material of vital importance in the field of road engineering construction, building waterproof etc., especially asphalt concrete, with its good strength, stability and durability, is widely used in pavement laying. High-quality asphalt is mixed with stone etc. to make asphalt concrete by fine processing, scientific proportioning, and bears the heavy traffic pressure, guards the road quality.
[0003] At present, there is compaction detection in the process of asphalt concrete production, and the traditional way depends on simple manual tools or simple compaction equipment, and it is difficult to ensure uniform and stable pressure, resulting in large dispersion of test specimen compaction degree and inaccurate detection data, therefore, we propose asphalt concrete detection compaction device to solve the above problems. UTILITY MODEL CONTENT
[0004] The utility model discloses a compaction device for asphalt concrete detection, which overcomes the defects in the prior art.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] The compaction device for asphalt concrete detection comprises a fixed cylinder, and a compaction mechanism is arranged in the fixed cylinder.
[0007] The compaction mechanism comprises a sealing bottom block screw-mounted at the bottom of the fixed cylinder, a gas cylinder fixedly installed at the top of the fixed cylinder, a compaction block fixedly installed at the piston end of the gas cylinder, and two inclined feed pipes fixedly installed on the outer side wall of the fixed cylinder.
[0008] Preferably, the inclined feed pipe is provided with a feed hopper fixedly installed at the top.
[0009] Preferably, two communication holes are formed in the outer side wall of the fixed cylinder, and the inclined feed pipe and the communication hole on the same side are in communication.
[0010] Preferably, a threaded groove is formed in the inner side wall of the fixed cylinder, and the outer thread on the sealing bottom block is threadedly connected with the inner side wall of the threaded groove.
[0011] Preferably, the fixed cylinder is provided with a detection mechanism at the bottom, the detection mechanism comprises a fixed bottom plate, a limiting groove and a limiting ring groove are formed in the fixed bottom plate, the outer side wall of the fixed cylinder is slidably connected with the inner side wall of the limiting groove, a plurality of tapered detection openings are formed in the fixed cylinder, a tapered plug is slidably connected with the inner side wall of the detection opening, and the limiting ring groove and the outer side wall of the plurality of tapered plugs are slidably connected with the same limiting ring.
[0012] Preferably, the plurality of conical detection ports are arranged in a ring array on the outer sidewall of the fixed cylinder.
[0013] Preferably, the limiting groove and the limiting ring groove are coaxially arranged.
[0014] The asphalt concrete detection compacting device has the advantages that:
[0015] Under the interaction of the fixed cylinder, the compacting mechanism and the detection mechanism, firstly, the compaction is efficient and accurate, the cylinder drives the compacting block, and the force is uniformly applied vertically to ensure that the compaction degree meets the standard, secondly, the feeding is convenient, the inclined feeding pipe and the hopper utilize gravity feeding, and the flow is smooth and not blocked, thereby improving the operation continuity, and thirdly, the detection mechanism has excellent functions, can perform multi-point sampling, accurately grasps the performance after compaction, and helps to scientifically evaluate the asphalt concrete quality. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The utility model provides a compacting device's structure schematic diagram of asphalt concrete detection;
[0017] Figure 2 The utility model provides a fixed bottom plate's plan view in the compacting device's structure schematic diagram of asphalt concrete detection;
[0018] Figure 3 The utility model provides a fixed cylinder's plan view in the compacting device's structure schematic diagram of asphalt concrete detection;
[0019] Figure 4 The utility model provides a conical plug's plan view in the compacting device's structure schematic diagram of asphalt concrete detection.
[0020] In the drawing: 1, fixed cylinder;2, sealing bottom block;3, cylinder;4, compacting block;5, inclined feeding pipe;6, feeding hopper;7, communication hole;8, fixed bottom plate;9, limiting groove;10, limiting ring groove;11, conical detection port;12, conical plug;13, limiting ring. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0022] Reference Figures 1-4The utility model provides a compaction device for asphalt concrete detection, which comprises a fixed cylinder 1, a compaction mechanism arranged in the fixed cylinder 1; the compaction mechanism comprises a sealing bottom block 2 screw-mounted at the bottom of the fixed cylinder 1, a gas cylinder 3 fixedly installed at the top of the fixed cylinder 1, a compaction block 4 fixedly installed at the piston end of the gas cylinder 3, and the outer side wall of the compaction block 4 is slidably connected with the inner side wall of the fixed cylinder 1; and two inclined feeding pipes 5 are fixedly installed on the outer side wall of the fixed cylinder 1.
[0023] Further, the compaction mechanism takes the gas cylinder 3 as a power source, the compaction block 4 is stably fixed at the piston end of the gas cylinder 3, and the compaction block 4 is slidably connected with the inner side wall of the fixed cylinder 1; such a closely matched structure design ensures that the compaction block 4 always maintains a stable and vertical trajectory during the up-and-down movement, the force is uniform and accurate, the compaction operation on the asphalt concrete in the cylinder can be efficiently performed, the compaction effect under actual working conditions is maximally simulated, and the compaction quality of the detection sample is ensured to meet the standard requirements, thereby laying a solid foundation for subsequent accurate detection.
[0024] As shown in Figure 1 , the inclined feeding pipe 5 is fixedly installed with a feeding hopper 6 at the top.
[0025] Further, the feeding hopper 6 fully utilizes the gravity and the flowability of the material, so that the asphalt concrete can smoothly flow into the fixed cylinder 1 along the inclined angle, the feeding accumulation and blockage are avoided, the compaction operation can be continuously performed, the work efficiency is improved, and the compaction quality fluctuation caused by poor feeding is reduced.
[0026] As shown in Figure 1 and Figure 3 , two communication holes 7 are formed in the outer side wall of the fixed cylinder 1, and the inclined feeding pipe 5 and the communication hole 7 on the same side are in communication.
[0027] Further, the ingenious integration in the overall structure of the device does not have an external large feeding device, which does not occupy too much space in the limited space of a laboratory and is convenient to place and operate, thereby meeting the needs of compact and efficient detection work.
[0028] As shown in Figure 1 , a threaded groove is formed in the inner side wall of the fixed cylinder 1, and the outer thread on the sealing bottom block 2 is threadedly connected with the inner side wall of the threaded groove.
[0029] Further, the threaded connection is simple and practical, which is convenient and fast to install, tightly fits to achieve good sealing, avoids leakage of asphalt concrete during compaction to affect the detection accuracy, and is easy to disassemble after the detection task is completed, thereby facilitating deep cleaning and maintenance of the components such as the fixed cylinder 1, the compaction block 4 and the sealing bottom block 2, and prolonging the service life of the device.
[0030] As shown in Figure 1 and Figure 2As shown, the bottom of the fixed cylinder 1 is provided with a detection mechanism, which includes a fixed bottom plate 8, a limiting groove 9 and a limiting ring groove 10 are opened on the fixed bottom plate 8, the outer side wall of the fixed cylinder 1 slides on the inner side wall of the limiting groove 9, a plurality of tapered detection ports 11 are opened on the fixed cylinder 1, the inner side wall of the detection port is slidably connected with a tapered block 12, the limiting ring groove 10 and the outer side wall of the plurality of tapered blocks 12 are slidably connected with the same limiting ring 13, and the limiting groove 9 and the limiting ring groove 10 are coaxially arranged.
[0031] Further explanation, the tapered detection port 11 is matched with the slidable tapered block 12, and the limiting ring 13 is slidably constrained on the outer side wall of the limiting ring groove 10 and the tapered block 12, which is extremely convenient and flexible to operate, which can open the detection port as needed to accurately obtain the sample for detection, and in the closed state, the close cooperation of each component ensures the stability of the overall structure of the fixed cylinder 1, maintains the stable operation of the device, and ensures the orderly and reliable detection process. At the same time, the limiting groove 9 and the limiting ring groove 10 are coaxially arranged, which strengthens the stability from the mechanical structure level, avoids the influence of component deviation and misplacement on detection and normal use of the device.
[0032] As shown in the figure, Figure 4 A plurality of tapered detection ports 11 are arranged in a ring array on the outer side wall of the fixed cylinder 1.
[0033] Further explanation, the plurality of ring array distributed tapered detection ports 11 are evenly distributed on the outer side wall of the fixed cylinder 1, which can sample and detect the performance indicators of the compacted asphalt concrete such as density and strength from multiple directions and angles, fully reflect the internal compaction condition, overcome the limitations of single-point detection, and make the detection data more representative and scientific.
[0034] The function principle of the utility model can be described by the following operation mode:
[0035] Feeding operation: pour the asphalt concrete material into the feeding hopper 6, the material will flow into the inclined feeding pipe 5 along the feeding hopper, and enter the internal space of the fixed cylinder 1 smoothly by means of gravity and the communication hole 7, pay attention to control the feeding speed and quantity during the period, observe the material accumulation height in the fixed cylinder, so that it reaches the appropriate volume required by the subsequent compaction process, avoids excessive overflow or insufficient detection compaction effect.
[0036] Compaction process: after the material feeding is completed, start the air cylinder 3 at the top of the fixed cylinder 1, the piston end of the air cylinder 3 drives the compaction block 4 to stably move downward along the inner side wall of the fixed cylinder 1, since the compaction block 4 and the inner side of the fixed cylinder 1 are closely slidably connected, it can guarantee that the compaction direction is vertical and the force is uniform, and gradually apply pressure to the asphalt concrete in the cylinder, continuously compact to the specified degree according to the established detection standard specification, and the compaction condition can be checked as needed during the process.
[0037] Detection link: when the compaction work is finished, reaches the detection node, manually operates the limiting ring 13, makes it slide in the limiting ring groove 10, the movement of the limiting ring 13 drives multiple conical plugs 12 to slide on the inner wall of the conical detection port 11 simultaneously, and the corresponding detection port is pushed away, the asphalt concrete sample after compaction is obtained from the exposed conical detection port 11, and various performance index detection analysis such as density and strength is carried out, after detection, the limiting ring 13 is pushed in reverse to return to the original position, the conical plug 12 is closed to the detection port, and the integrity and stability of the device are maintained.
[0038] Cleaning and maintenance: after use, the air cylinder 3 is closed, the sealing bottom block 2 is unscrewed by rotating, the remaining asphalt concrete material in the fixed cylinder 1 is poured out for cleaning, the inside of the fixed cylinder 1, the compaction block 4, the feeding hopper 6 and the inclined feeding pipe 5 and other parts are carefully cleaned, the wear and connection of each part are checked, and it is ensured that the performance is normal and the structure is stable when the device is used next time.
[0039] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. Compaction device for the detection of asphalt concrete, characterized in that, The utility model provides a compaction device, which comprises a fixed cylinder (1) provided with a compaction mechanism inside. The compaction mechanism comprises a sealing bottom block (2) screwed on the bottom of the fixed cylinder (1), a gas cylinder (3) fixedly installed at the top inside the fixed cylinder (1), a compaction block (4) fixedly installed at the piston end of the gas cylinder (3), and two inclined feeding pipes (5) fixedly installed on the outer sidewall of the fixed cylinder (1).
2. The asphalt detection compaction device of claim 1, wherein, The top of the inclined feeding pipe (5) is fixedly provided with a feeding funnel (6).
3. The asphalt detection compaction device of claim 1, wherein, Two communication holes (7) are formed in the outer sidewall of the fixed cylinder (1), and the inclined feeding pipe (5) and the communication hole (7) on the same side are in communication.
4. The asphalt testing compactor of claim 1, wherein, A threaded groove is formed in the inner sidewall of the fixed cylinder (1), and the outer thread on the sealing bottom block (2) is in threaded connection with the inner sidewall of the threaded groove.
5. The asphalt detection compaction apparatus of claim 1, wherein, The bottom of the fixed cylinder (1) is provided with a detection mechanism, which comprises a fixed bottom plate (8) provided with a limiting groove (9) and a limiting ring groove (10), the outer sidewall of the fixed cylinder (1) is slidably connected with the inner sidewall of the limiting groove (9), a plurality of tapered detection openings (11) are formed in the fixed cylinder (1), a tapered plug (12) is slidably connected with the inner sidewall of the detection opening, and the limiting ring groove (10) and the outer sidewall of the plurality of tapered plugs (12) are slidably connected with the same limiting ring (13).
6. The asphalt detection compaction device of claim 5, wherein, The plurality of tapered detection openings (11) are arranged in an annular array on the outer sidewall of the fixed cylinder (1).
7. The asphalt detection compaction device of claim 5, wherein, The limiting groove (9) and the limiting ring groove (10) are coaxially arranged.