Sampling device for asphalt mixture detection

Abstract

The utility model discloses a sampling device for asphalt mixture detection, which relates to the technical field of asphalt detection and comprises an outer sleeve, a sliding plate is slidably connected in the outer sleeve, the lower end of the sliding plate is fixedly connected with a plurality of longitudinal plates, and the lower ends of the longitudinal plates are fixedly connected with a sunken bottom plate. A space for asphalt mixture sampling is formed between the longitudinal plates and the sunken bottom plate, a drill bit is fixedly connected to the lower end of the sunken bottom plate, a first gear is fixedly connected to the upper end of the sliding plate, and the first gear is driven by a driving mechanism arranged at the upper end of the inner side face of the outer sleeve to rotate. The sampling device provided by the utility model is more convenient, sampling operation can be carried out through manual taking, and the application range is wide.

Description

Technical Field

[0001] This utility model relates to the field of asphalt testing technology, and more specifically to a sampling device for testing asphalt mixtures. Background Technology

[0002] Asphalt pavement is one of the most widely used high-grade pavements in road construction. It refers to various types of pavement constructed by mixing road asphalt materials with mineral materials. By using asphalt binders, the ability of paving aggregates to resist damage to the pavement from traffic and natural factors is improved. This not only makes the pavement smooth and dust-free, with less vehicle vibration and noise, but also allows for faster traffic opening, convenient maintenance, durability, safety, and aesthetics.

[0003] After the asphalt mixture is mixed, a testing step is often required. However, the mixed mixture is usually placed in a large barrel, and existing sampling devices are inconvenient for sampling. For example, Chinese utility model patent application number 202122154644.4 discloses a special sampling device for asphalt mixture testing, which includes an installation frame and a sampling barrel. The installation frame consists of a top plate, a bottom plate, and support plates fixed to the left and right sides of the top of the bottom plate. The top of the inner side of the support plate is fixedly connected to the top plate. A first through hole is opened at the center of the upper surface of the bottom plate. A cylinder is installed at the top of the top plate. The output end of the cylinder extends to the bottom of the top plate and is fixedly connected to a movable plate. An electric push rod is fixed at the bottom of the movable plate. A push plate is fixed at the output end of the electric push rod. The push plate is slidably set inside the sampling barrel. The lower wall of the sampling barrel has a feed inlet. Although it can achieve sampling and testing, it is not suitable for testing asphalt mixtures stored in large barrels.

[0004] Therefore, it is necessary to propose a sampling device for asphalt mixture testing to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to solve the problem that existing asphalt mixture sampling devices are inconvenient to use during sampling.

[0006] To achieve the above objectives, this utility model specifically adopts the following technical solution:

[0007] A sampling device for asphalt mixture testing includes an outer sleeve, a sliding plate slidably connected in the outer sleeve, a plurality of longitudinal plates fixedly connected to the lower end of the sliding plate, a recessed bottom plate fixedly connected to the lower end of the longitudinal plates, and a space for asphalt mixture sampling formed between the plurality of longitudinal plates and the recessed bottom plate. A drill bit is fixedly connected to the lower end of the recessed bottom plate, and a first gear is fixedly connected to the upper end of the sliding plate. The first gear is driven to rotate by a driving mechanism disposed on the upper end of the inner side of the outer sleeve.

[0008] Furthermore, a top plate is fixedly connected to the upper end of the outer sleeve, and a through hole for the first gear to be inserted is provided in the middle of the top plate.

[0009] Furthermore, a second handle is rotatably connected to the upper end of the first gear.

[0010] Furthermore, the drive mechanism includes a mounting plate fixedly connected to the upper end of the inner side of the outer sleeve, a motor fixedly connected to the upper end of the mounting plate, and a second gear fixedly connected to the output shaft of the motor, wherein the second gear and the first gear are meshed together.

[0011] Furthermore, the angle between the two ends of the longitudinal plate and the center of the recessed bottom plate is an acute angle.

[0012] Furthermore, the lower end of the outer side of the outer sleeve is configured as a second arc-shaped surface.

[0013] Furthermore, the outer surface of the recessed base plate is configured as a first arc-shaped surface.

[0014] Furthermore, a first handle is fixedly connected to the upper end of the outer side surface of the outer sleeve.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] The sampling device provided by this utility model is more convenient, and can be sampled manually, making it applicable to a wide range of situations. Attached Figure Description

[0017] Figure 1 This is a three-dimensional schematic diagram of the present invention.

[0018] Figure 2 This is a three-dimensional sectional view of the present invention.

[0019] Figure 3 This is a cross-sectional view of the structure below the longitudinal plate in this utility model.

[0020] Figure 4 This is a schematic diagram of the sampling device of this utility model.

[0021] Reference numerals in the attached drawings: 1. Outer sleeve; 2. Sliding plate; 3. Longitudinal plate; 4. Recessed bottom plate; 5. First arc-shaped surface; 6. Drill bit; 7. Second arc-shaped surface; 8. First handle; 9. First gear; 10. Second handle; 11. Top plate; 12. Mounting plate; 13. Motor; 14. Second gear. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4 A sampling device for asphalt mixture testing includes an outer sleeve 1, which is hollow. A sliding plate 2 is slidably connected to the inner side of the outer sleeve 1. Multiple longitudinal plates 3 are fixedly connected to the lower end of the sliding plate 2. A recessed bottom plate 4 is fixedly connected to the lower end of the longitudinal plates 3, meaning that the center height of the recessed bottom plate 4 is lower than its periphery. When sampling asphalt, the amount of asphalt mixture that can be sampled at the center is greater than that at the periphery, ensuring the stability of the asphalt mixture accumulation on the recessed bottom plate 4. A drill bit 6 is fixedly connected to the lower end of the recessed bottom plate 4. A first gear 9 is fixedly connected to the upper end of the sliding plate 2, and the first gear 9 is driven to rotate by a drive mechanism located at the upper end of the inner side of the outer sleeve 1. A first handle 8 is fixedly connected to the upper end of the outer side of the outer sleeve 1, and a second handle 10 is rotatably connected to the upper end of the first gear 9.

[0024] In this embodiment, during sampling, the positions of the outer sleeve 1 and the drill bit 6 are first adjusted and stretched to... Figure 1 The sampling device is in a stable state. The operator presses the second handle 10 with one hand to make it fit against the upper end of the outer sleeve 1, while holding the first handle 8 with the other hand to ensure the stability of the sampling device. Then, the operator controls the drive mechanism to drive the first gear 9 to rotate, and at the same time, the operator applies a downward force to the sampling device, causing the drill bit 6 to be inserted into the storage device of the asphalt mixture to be sampled. As the device moves down as a whole, the asphalt mixture will enter the space formed between the multiple longitudinal plates 3 and the recessed bottom plate 4 for asphalt mixture sampling. After sampling is completed, the operator pulls the second handle 10 upward, causing the second handle 10 to move upward, thereby bringing the asphalt mixture into the outer sleeve 1.

[0025] To further prevent the first gear 9 from contacting the operator's hand when it rotates, a protective ring is provided at the lower end of the second handle 10, which is fitted over the outside of the first gear 9.

[0026] Specifically, in order to ensure the stability of the first gear 9 when it moves up and down, a top plate 11 is fixedly connected to the upper end of the outer sleeve 1. A through hole for the first gear 9 to be inserted is opened in the middle of the top plate 11, and the inner side of the through hole is in contact with the outer side of the first gear 9.

[0027] Specifically, the height of the first gear 9 is greater than the height of the outer sleeve 1, and the outer sleeve 1 should be at least greater than the height between the recessed bottom plate 4 and the sliding plate 2 to ensure that the asphalt mixture sampled into the outer sleeve 1 will not leak out from the recessed bottom plate 4. The drive mechanism includes a mounting plate 12 fixedly connected to the upper end of the inner side of the outer sleeve 1, a motor 13 fixedly connected to the upper end of the mounting plate 12, and a second gear 14 fixedly connected to the output shaft of the motor 13. The second gear 14 and the first gear 9 are meshed. The motor 13 is a commonly used electronic component in the prior art. The specific model and wiring method will not be described. A wiring hole is opened at the upper end of the top plate 11, through which the motor 13 is wired.

[0028] Specifically, in order to ensure the drilling effect of the drill bit 6 entering the asphalt mixture and to sample the asphalt mixture into the space formed between multiple longitudinal plates 3 and the recessed bottom plate 4 for asphalt mixture sampling, the angle between the two ends of the longitudinal plate 3 and the center of the recessed bottom plate 4 is an acute angle. When the drill bit 6 enters the asphalt mixture for sampling, the motor 13 is controlled to rotate forward, driving the longitudinal plate 3 to rotate clockwise. The acute angle of the longitudinal plate 3 can push the asphalt mixture at the drilling point to spread outward. When sampling, the motor 13 is controlled to rotate in reverse, driving the longitudinal plate 3 to rotate in reverse, thereby driving the asphalt mixture to gather in the recessed bottom plate 4, which can effectively improve the sampling efficiency.

[0029] Specifically, to avoid interference between the recessed base plate 4 and the lower end of the outer sleeve 1 due to asphalt mixture when sampling is completed, the lower end of the outer side of the outer sleeve 1 is set as the second arc surface 7, and the outer side of the recessed base plate 4 is set as the first arc surface 5. The first arc surface 5 and the second arc surface 7 can achieve the effect of separation.

[0030] The above are merely preferred embodiments of this utility model and are not intended to limit this utility model. The scope of patent protection of this utility model shall be determined by the claims. Similarly, any equivalent structural changes made based on the description and drawings of this utility model shall also be included within the scope of protection of this utility model.

Claims

1. A sampling device for testing asphalt mixtures, comprising an outer sleeve, characterized in that: A sliding plate is slidably connected in the outer sleeve. Multiple longitudinal plates are fixedly connected to the lower end of the sliding plate. An indented bottom plate is fixedly connected to the lower end of the longitudinal plates. A space for sampling asphalt mixture is formed between the multiple longitudinal plates and the indented bottom plate. A drill bit is fixedly connected to the lower end of the indented bottom plate. A first gear is fixedly connected to the upper end of the sliding plate. The first gear is driven to rotate by a drive mechanism located on the upper end of the inner side of the outer sleeve.

2. The sampling device for asphalt mixture testing according to claim 1, characterized in that: The upper end of the outer sleeve is fixedly connected to a top plate, and a through hole for the first gear to be inserted is opened in the middle of the top plate.

3. The sampling device for asphalt mixture testing according to claim 1, characterized in that: The upper end of the first gear is rotatably connected to a second handle.

4. The sampling device for asphalt mixture testing according to claim 1, characterized in that: The drive mechanism includes a mounting plate fixedly connected to the upper end of the inner side of the outer sleeve, a motor fixedly connected to the upper end of the mounting plate, and a second gear fixedly connected to the output shaft of the motor. The second gear and the first gear are meshed together.

5. A sampling device for testing asphalt mixtures according to claim 1, characterized in that: The angle between the two ends of the longitudinal plate and the center of the concave bottom plate is an acute angle.

6. A sampling device for testing asphalt mixtures according to claim 1, characterized in that: The lower end of the outer side of the outer sleeve is configured as a second arc-shaped surface.

7. A sampling device for testing asphalt mixtures according to claim 1, characterized in that: The outer side of the recessed base plate is configured as a first arc-shaped surface.

8. A sampling device for testing asphalt mixtures according to claim 1, characterized in that: A first handle is fixedly connected to the upper end of the outer side of the outer sleeve.

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