Recycled asphalt mixture sampling device

Abstract

The utility model discloses a recycled asphalt mixture sampling device which comprises a sampling barrel, a cover plate is arranged above the sampling barrel, a movable rod is inserted in the middle of the upper portion of the cover plate, the end, located in the sampling barrel, of the movable rod is fixedly connected with a movable plate, and the lower portion of the movable plate is fixedly connected with a movable ring. Feeding ports are formed in the two sides of the lower end of the sampling barrel, four supporting rods arranged in a matrix mode are arranged above the cover plate, the upper portions of the four supporting rods are fixedly connected through a fixed plate, the end, located in the sampling barrel, of a movable rod is fixedly connected with a movable plate, and a pressing plate is arranged at the position, located below the fixed plate, of the movable rod; the movable rod is located between the pressing plate and the fixed plate and sleeved with a spring. The sampling device is simple in structure, convenient to operate, capable of sampling recycled asphalt mixtures at different depths and convenient to clean, and the practicability of the sampling device is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of recycled asphalt mixture, and particularly relates to a sampling device for recycled asphalt mixture. Background Art

[0002] Asphalt pavement is a widely used high-grade pavement in road construction. It refers to various types of pavements paved with road-use asphalt materials in mineral materials. By using asphalt binder, the ability of granular materials for paving to resist damage to the road surface caused by driving and natural factors is improved. It not only makes the road surface flat with less dust, less vibration and low noise during driving, but also has the advantages of fast opening to traffic, convenient maintenance, long service life, safety and beauty. In order to improve and control the paving quality of asphalt pavement, during the processes of asphalt mixture mixing, transportation, paving, etc., it is necessary to timely sample the asphalt mixture, conduct test detections, and dynamically monitor the performance of materials to ensure that the asphalt mixture meets the operation requirements and can be used with confidence. At present, most of the sampling devices for asphalt mixture are relatively complex in operation during sampling, take a long time for sampling, and are inconvenient to clean after sampling. Therefore, we propose a sampling device for recycled asphalt mixture. Content of the Utility Model

[0003] In order to solve the above problems, the utility model provides a sampling device for recycled asphalt mixture. The utility model solves the problems that most of the existing sampling devices for asphalt mixture are relatively complex in operation during sampling, take a long time for sampling, and are inconvenient to clean after sampling.

[0004] A sampling device for recycled asphalt mixture in the utility model includes a sampling barrel. A cover plate is arranged above the sampling barrel. A movable rod is inserted in the middle above the cover plate. One end of the movable rod located inside the sampling barrel is fixedly connected with a movable plate. A movable ring is fixedly connected below the movable plate. Feed ports are arranged on both sides at the lower end of the sampling barrel. Four support rods arranged in a matrix are arranged above the cover plate. The four support rods are fixedly connected through a fixing plate above. One end of the movable rod located inside the sampling barrel is fixedly connected with the movable plate. A pressing plate is arranged below the fixing plate at the position where the movable rod is located. A spring is sleeved between the pressing plate and the fixing plate at the position where the movable rod is located.

[0005] In the above scheme, the sampling barrel and the cover plate are fixedly connected through a connecting piece.

[0006] In the above scheme, the connecting piece includes a first support seat and a second support seat. The first support seat is fixedly connected with the sampling barrel. The second support seat is fixedly connected with the cover plate. The first support seat is movably connected with a threaded rod through a pin shaft. A through groove matching with the threaded rod is arranged on the second support seat. A limiting ring is arranged above the through groove at the position where the threaded rod is located. The limiting ring is threadedly connected with the threaded rod.

[0007] In the above solution, push rods are provided on both sides above the limit ring.

[0008] In the above solution, the upper part of the movable rod passes through the fixed plate and is fixedly connected to the pull rod.

[0009] In the above solution, guide sleeves are provided at the four corners of the pressing plate, and the guide sleeves are movably connected to the support rods.

[0010] In the above solution, the lower end of the sampling bucket is set to be inverted conical.

[0011] The advantages and beneficial effects of the present utility model are as follows: The present utility model provides a sampling device for recycled asphalt mixture. Through the transmission of the movable rod, the movable plate and the movable ring also move accordingly. When the movable ring is disengaged from the feed port, the recycled asphalt mixture to be sampled can enter the inside of the sampling bucket through the feed port. After the sampling of the recycled asphalt mixture is completed, under the action of the spring force, the pressing plate pushes the movable rod to move, so that through the spring force, the movable plate and the movable ring are automatically reset, enabling the movable ring to block the feed port. The connection and disassembly between the sampling bucket and the cover plate are convenient, making the sampling device easier to clean after sampling. This sampling device has a simple structure and is easy to operate. It can sample recycled asphalt mixtures at different depths, and the sampling device is easy to clean, effectively improving the practicability of the sampling device. Description of the Drawings

[0012] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0013] Figure 1 It is a structural schematic diagram of the present utility model;

[0014] Figure 2 It is a cross-sectional view of the present utility model;

[0015] Figure 3 It is a partial structural schematic diagram of part A of the present utility model.

[0016] In the figure: 1. Sampling bucket 2. Cover plate 3. Movable rod 4. Movable plate

[0017] 5. Movable ring 6. Feed port 7. Support rod 8. Fixed plate

[0018] 9. Pressing plate 10. Connecting piece 101. First support seat 102. Second support seat

[0019] 103, threaded rod 104, through slot 105, limit ring 106, push rod

[0020] 11, spring 12, pull rod 13, guide sleeve Detailed implementation manner

[0021] The following combines the drawings and embodiments to further describe the detailed implementation manner of the present utility model. The following embodiments are only used to more clearly illustrate the technical solution of the present utility model and cannot be used to limit the protection scope of the present utility model.

[0022] As Figures 1-3 shown, the present utility model is a sampling device for recycled asphalt mixture, including a sampling bucket 1. A cover plate 2 is provided above the sampling bucket 1. The cover plate 2 can seal the opening of the sampling bucket 1. A movable rod 3 is inserted in the middle above the cover plate 2. The movable rod 3 is movably connected to the cover plate 2. One end of the movable rod 3 located inside the sampling bucket 1 is fixedly connected to a movable plate 4. The lower part of the movable plate 4 is fixedly connected to a movable ring 5. Feed ports 6 are provided on both sides of the lower end of the sampling bucket 1. When the movable rod 3 moves, through the transmission of the movable rod 3, the movable plate 4 and the movable ring 5 also move accordingly. When the movable ring 5 is disengaged from the feed port 6, the recycled asphalt mixture to be sampled can enter the inside of the sampling bucket 1 through the feed port 6. At this time, the spring 11 is in a contracted state under the pressure of the pressing plate 9. Four support rods 7 arranged in a matrix are provided above the cover plate 2. The four support rods 7 are fixedly connected by a fixing plate 8 above. One end of the movable rod 3 located inside the sampling bucket 1 is fixedly connected to the movable plate 4. A pressing plate 9 is provided below the fixing plate 8 at the position of the movable rod 3. A spring 11 is sleeved between the pressing plate 9 and the fixing plate 8 of the movable rod 3. After the sampling of the recycled asphalt mixture is completed, under the action of the elastic force of the spring 11, the pressing plate 9 pushes the movable rod 3 to move, so that through the elastic force of the spring 11, the movable plate 4 and the movable ring 5 are automatically reset, and the movable ring 5 can block the feed port 6.

[0023] The sampling bucket 1 and the cover plate 2 are fixedly connected by a connecting member 10.

[0024] The connecting member 10 includes a first support base 101 and a second support base 102. The first support base 101 is fixedly connected to the sampling bucket 1, and the second support base 102 is fixedly connected to the cover plate 2. The first support base 101 is movably connected to the threaded rod 103 through a pin shaft. A through groove 104 matching the threaded rod 103 is provided on the second support base 102. A limiting ring 105 is provided above the threaded rod 103 in the through groove 104. The limiting ring 105 is threadedly connected to the threaded rod 103. When fixedly connecting the sampling bucket 1 and the cover plate 2, rotate the threaded rod 103 so that the threaded rod 103 is located inside the through groove 104, and rotate the limiting ring 105 so that the limiting ring 105 presses against the second support base 102. Through the mutual cooperation between the limiting ring 105 and the threaded rod 103, the sampling bucket 1 and the cover plate 2 can be stably connected.

[0025] On both sides above the limiting ring 105, push rods 106 are provided, and the arrangement of the push rods 106 makes it more convenient to push the limiting ring 105.

[0026] Above the movable rod 3, it penetrates through the fixed plate 8 and is fixedly connected to the pull rod 12. The arrangement of the pull rod 12 makes it more convenient to push and pull the movable rod 3.

[0027] At the four corners of the pressing plate 9, guide sleeves 13 are provided. The guide sleeves 13 are movably connected to the support rods 7. The guide sleeves 13 and the support rods 7 are movably connected. Through the mutual cooperation between the guide sleeves 13 and the support rods 7, the moving stability of the pressing plate 9 is effectively improved.

[0028] The lower end of the sampling bucket 1 is provided as an inverted cone, and the inverted cone arrangement makes it more convenient for the sampling bucket 1 to be inserted into the recycled asphalt mixture.

[0029] Specifically, in the present utility model, when sampling the recycled asphalt mixture, when inserting the sampling bucket 1 into the recycled asphalt mixture, pull the pull rod 12, and the pull rod 12 drives the movable rod 3 to move. Through the transmission of the movable rod 3, the movable plate 4 and the movable ring 5 also move accordingly. When the movable ring 5 is disengaged from the feed port 6, the recycled asphalt mixture to be sampled can enter the sampling bucket 1 through the feed port 6. At this time, the spring 11 is in a contracted state under the pressure of the pressing plate 9. After sampling the recycled asphalt mixture, under the elastic force of the spring 11, the pressing plate 9 pushes the movable rod 3 to move, so that through the elastic force of the spring 11, the movable plate 4 and the movable ring 5 are automatically reset, so that the movable ring 5 can block the feed port 6. The sampling bucket 1 and the cover plate 2 are convenient to connect and disassemble, so that after sampling, the sampling device is more convenient to clean.

[0030] 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, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A recycled asphalt mixture sampling device, comprising a sampling barrel (1), characterized in that: A cover plate (2) is provided above the sampling barrel (1), and a movable rod (3) is inserted in the middle of the upper part of the cover plate (2). The movable rod (3) is located in the sampling barrel (1) and is fixedly connected to the movable plate (4) at one end, and is fixedly connected to the movable ring (5) at the lower part of the movable plate (4). Feed ports (6) are provided on both sides of the lower end of the sampling barrel (1). Four support rods (7) arranged in a matrix are provided above the cover plate (2), and the four support rods (7) are fixedly connected by a fixed plate (8) at the upper part. A pressure plate (9) is provided below the fixed plate (8) on the movable rod (3), and a spring (11) is sleeved on the movable rod (3) between the pressure plate (9) and the fixed plate (8).

2. A regenerated asphalt mixture sampling device according to claim 1, characterized in that: The sampling barrel (1) and the cover plate (2) are fixedly connected via a connecting piece (10).

3. A regenerated asphalt mixture sampling device according to claim 2, characterized in that: The connecting member (10) comprises a first supporting seat (101) and a second supporting seat (102); the first supporting seat (101) is fixedly connected to the sampling barrel (1); the second supporting seat (102) is fixedly connected to the cover plate (2); the first supporting seat (101) is movably connected to the threaded rod (103) via a pin shaft; the second supporting seat (102) is provided with a through groove (104) matching the threaded rod (103); the threaded rod (103) is provided with a limiting ring (105) above the through groove (104); the limiting ring (105) is threadedly connected to the threaded rod (103).

4. A regenerated asphalt mixture sampling device according to claim 3, characterized in that: Push rods (106) are provided on both sides above the limiting ring (105).

5. The regenerated asphalt mixture sampling device according to claim 1, characterized in that: The movable rod (3) passes through the fixing plate (8) above and is fixedly connected to the pull rod (12).

6. A regenerated asphalt mixture sampling device according to claim 1, characterized in that: The four corners of the pressing plate (9) are each provided with a guide sleeve (13), and the guide sleeve (13) is movably connected to the support rod (7).

7. A regenerated asphalt mixture sampling device according to claim 1, characterized in that: The lower end of the sampling barrel (1) is configured in an inverted cone shape.

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