Forage grass quality detection sampling device

Abstract

The utility model discloses a forage grass quality detection sampling device which comprises a sampling barrel, a plurality of mutually independent sampling chambers with semicircular cross sections are arranged in the sampling barrel along the length direction of the sampling barrel, the upper end of each sampling chamber is provided with a sampling port, and a baffle for shielding the sampling port is movably inserted in each sampling port. The adjacent baffles are fixedly connected through connecting rods, a pull rod is fixedly arranged at the tail of one baffle away from the conical tip, a piston cavity and an exhaust channel which are communicated are formed in the sampling barrel, a piston rod is arranged in the piston cavity in an inserted connection mode, and meshes communicated with the piston cavity are formed in the inner bottom face of each sampling cavity. According to the forage grass sampling device, the plurality of sampling chambers and the sampling ports are arranged, forage grass samples at different depths or positions can be obtained at the same time, the piston cavity and the exhaust channel are designed, the negative pressure principle of the piston cavity is utilized, forage grass is effectively promoted to enter the sampling chambers smoothly, and the sampling efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of forage sampling devices, specifically to a forage quality testing sampling device. Background Technology

[0002] Forage generally refers to silage in powder or granular form, and its quality directly affects the efficiency of livestock farming and animal health. Accurate quality testing is crucial during the production, processing, and storage of forage, and the first step in this testing is sampling.

[0003] Traditional forage testing sampling often uses simple sampling tools, such as ordinary sampling tubes. In use, the operator inserts the sampling tube into the forage pile, then pulls it out, bringing out the forage sample. However, this traditional sampling tube has many drawbacks.

[0004] Traditional sampling tubes cannot simultaneously sample forage from different depths or locations within a forage pile. Since forage at different locations and depths may vary in nutrient composition and moisture content, sampling from a single location cannot comprehensively reflect the overall quality of the pile. Furthermore, the samples cannot be stored separately according to their location or depth; when the samples are poured out, forage from different locations often mix together. In subsequent testing, this sample mixing prevents a comprehensive and accurate assessment of the forage pile's quality based on the results from samples at different locations, significantly hindering the accuracy and effectiveness of forage quality testing. Utility Model Content

[0005] (I) Technical Issues

[0006] The present invention aims to provide a forage quality testing sampling device that can sample forage at different depths or locations and store the samples independently, in order to overcome the problems of traditional sampling equipment being unable to accurately sample in layers and samples being easily mixed.

[0007] (II) Technical Content

[0008] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows: a sampling device for forage quality testing, including a sampling cylinder with a conical tip at the front end. The sampling cylinder has multiple semi-circular cross-sections and independent sampling chambers along its length. Each sampling chamber has a sampling port at its upper end. Each sampling port has a baffle for blocking the sampling port that is movably inserted inside. Adjacent baffles are fixedly connected by a connecting rod. A pull rod is fixedly installed at the tail of one of the baffles away from the conical tip. A piston chamber and an exhaust channel are connected inside the sampling cylinder and below the sampling chambers. A piston rod is movably connected inside the piston chamber. The bottom surface of each sampling chamber has a mesh that communicates with the piston chamber. A one-way valve for exhausting only is provided at the end of the exhaust channel.

[0009] Furthermore, the exhaust passage and piston chamber are arranged in parallel and connected by a through hole on the side near the tip of the cone.

[0010] Furthermore, a rubber plug is movably provided at one end of the piston rod that extends into the piston chamber.

[0011] Furthermore, each of the sampling ports has an insertion cavity on its inner side, and a baffle is movably inserted into the insertion cavity.

[0012] Furthermore, each of the sampling ports has a through hole 2 on its inner side for the connecting rod to pass through.

[0013] Furthermore, the baffle is arc-shaped and adapted to the sampling port.

[0014] Furthermore, the pull rod, connecting rod, and multiple baffles are fixedly connected as a whole, and the simultaneous opening and closing of multiple sampling ports can be achieved by pushing and pulling the pull rod.

[0015] (III) Technical Effects

[0016] The advantages of this utility model compared with the prior art are as follows:

[0017] 1. Layered Sampling: Before sampling, insert the conical tip of the sampling tube into the feed pile with the sampling port facing upwards. Then pull the lever outwards, simultaneously opening the baffles of all sampling ports. Feed from different locations falls into the independent sampling chambers. Then push the lever back to its original position to close the sampling ports, completing the sampling. By setting multiple independent sampling chambers and corresponding sampling ports, feed samples from different depths or locations can be obtained simultaneously in a single insertion operation into the feed pile. This comprehensively reflects the quality status of the feed pile, provides a multi-sample basis for accurate testing, and effectively solves the limitations of traditional single-location sampling with sampling tubes.

[0018] 2. Independent sample storage: Each sampling chamber is independent of the others. After sampling, samples from different locations are stored in their respective chambers to avoid mixing when poured out. This ensures that samples from different locations can be analyzed independently during subsequent testing, allowing for a more accurate assessment of the overall quality of the feed pile based on the test results from different locations.

[0019] 3. Enhanced Sampling Function: The device features an innovative design incorporating a piston chamber, exhaust channel, piston rod, mesh, and one-way valve. During sampling, the piston rod is pulled back and forth, utilizing the negative pressure within the piston chamber to effectively facilitate the smooth entry of feed into the sampling chamber, thus improving sampling efficiency. Simultaneously, the one-way valve ensures that airflow exits through the exhaust channel when the piston rod pushes back, preventing reverse blowing of the sample already inside the sampling chamber and guaranteeing sample integrity and accuracy. This further enhances the practicality and reliability of the sampling device. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of a forage quality testing and sampling device according to the present invention. Figure 1 .

[0021] Figure 2 This is a three-dimensional structural diagram of a forage quality testing and sampling device according to the present invention. Figure 2 .

[0022] Figure 3 This is a schematic diagram of the main structure of a forage quality testing and sampling device according to this utility model.

[0023] Figure 4 This is a top view schematic diagram of a sampling device for testing the quality of forage according to this utility model.

[0024] Figure 5 This is a right-side structural schematic diagram of a forage quality testing and sampling device according to this utility model.

[0025] Figure 6 This is a schematic cross-sectional view of a forage quality testing and sampling device according to the present invention. Figure 1 .

[0026] Figure 7 This is a schematic cross-sectional view of a forage quality testing and sampling device according to the present invention. Figure 2 .

[0027] Figure 8 This is a schematic cross-sectional view of a forage quality testing and sampling device according to the present invention. Figure 3 .

[0028] As shown in the figure: 1. Sampling cylinder; 2. Conical tip; 3. Sampling chamber; 4. Sampling port; 5. Baffle; 6. Connecting rod; 7. Pull rod; 8. Piston chamber; 9. Exhaust passage; 10. Piston rod; 11. Mesh; 12. One-way valve; 13. Through hole; 14. Rubber stopper; 15. Insertion cavity; 16. Through hole two. Detailed Implementation

[0029] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "center", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation structure and operation. Therefore, they should not be construed as limitations on this utility model.

[0030] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "provided with," "installed," "connected," "linked," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] The present invention will now be described in further detail with reference to the accompanying drawings.

[0032] Combined with appendix Figure 1 To be continued Figure 8 A sampling device for forage quality testing includes a sampling cylinder 1 with a conical tip 2 at its front end. Multiple semi-circular, independent sampling chambers 3 are arranged along the length of the sampling cylinder 1. Each sampling chamber 3 has a sampling port 4 at its upper end. A baffle 5 for blocking the sampling port 4 is movably inserted into each sampling port 4. The baffle 5 is arc-shaped and adapted to the sampling port 4. An insertion cavity 15 is provided inside each sampling port 4, and the baffle 5 is movably inserted into the insertion cavity 15. Adjacent baffles 5 are fixedly connected by a connecting rod 6. A through hole 16 for the connecting rod 6 to pass through is provided inside each sampling port 4. A pull rod 7 is fixedly installed at the tail of one of the baffles 5 away from the conical tip 2. The pull rod 7, the connecting rod 6, and the multiple baffles 5 are fixedly connected as a whole. The simultaneous opening and closing of multiple sampling ports 4 is achieved by pushing and pulling the pull rod 7.

[0033] Inside the sampling cylinder 1 and below the sampling chamber 3, there is a connected piston chamber 8 and an exhaust channel 9. The exhaust channel 9 and the piston chamber 8 are arranged in parallel and are connected by a through hole 13 on the side near the conical tip 2. A piston rod 10 is inserted into the piston chamber 8. A rubber stopper 14 is movably provided at one end of the piston rod 10 that extends into the piston chamber 8. The bottom surface of each sampling chamber 3 is provided with a mesh 11 that connects to the piston chamber 8. The end of the exhaust channel 9 is provided with a one-way valve 12 that only exhausts gas.

[0034] The working principle of this forage quality testing and sampling device is as follows: This forage quality testing and sampling device utilizes multiple independent sampling chambers and related auxiliary structures to achieve stratified sampling and effectively collect forage samples. The conical tip 2 at the front end of the sampling cylinder 1 facilitates insertion into the forage pile. Multiple independent sampling chambers 3 can collect forage samples from different locations, and the sampling port 4 at its upper end controls the sample entry when the baffle 5 is opened or closed. Multiple baffles 5 are connected by a connecting rod 6, and the opening and closing of the baffles 5 are uniformly controlled by a pull rod 7, realizing simultaneous operation of multiple sampling ports 4. The piston chamber 8, exhaust channel 9, piston rod 10, mesh 11, and one-way valve 12 located below the sampling chamber 3 work together to create a negative pressure in the piston chamber 8 when the piston rod 10 is pulled outward. This negative pressure is then created in the sampling chamber 3 through the mesh 11, thereby drawing the forage into the sampling chamber 3. When the piston rod 10 is pushed back, the one-way valve 12 opens, allowing airflow to escape from the exhaust channel 9 and preventing reverse airflow from affecting the already drawn-in samples.

[0035] The working process of this forage quality testing and sampling device is as follows:

[0036] 1. Prepare for sampling: Hold the sampling tube 1 in your hand and insert the conical tip 2 into the feed pile. At this time, ensure that the sampling port 4 is facing upward and the lever 7 is in the initial position. The baffle 5 closes the sampling port 4.

[0037] 2. Open the sampling port: Pull the lever 7 outward, and through the linkage of the connecting rod 6, the baffles 5 of all sampling ports 4 will open simultaneously, ready to receive forage samples.

[0038] 3. Facilitating Sampling: After the sampling port 4 is opened, the piston rod 10 is pulled back and forth. When the piston rod 10 is pulled outward, the one-way valve 12 closes, creating a negative pressure inside the piston chamber 8. This, combined with the mesh 11, creates a negative pressure inside each sampling chamber 3, promoting the dropping of feed from different locations into their respective independent sampling chambers 3 under the influence of gravity and negative pressure. When the piston rod 10 is pushed back, the one-way valve 12 opens, pushing the airflow out through the exhaust channel 9, preventing the airflow from re-entering the sampling chamber 3 and causing reverse blowing of the sample.

[0039] 4. Complete sampling: After sampling is completed, push the lever 7 back to its original position to close the sampling port 4 with the baffle 5, and take the sampling cylinder 1 out of the feed pile. At this time, the feed samples from different locations are stored in each independent sampling chamber 3 for subsequent testing and analysis.

[0040] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A sampling device for forage quality testing, comprising a sampling cylinder (1), wherein the front end of the sampling cylinder (1) is provided with a conical tip (2), characterized in that: The sampling cylinder (1) has multiple semi-circular and independent sampling chambers (3) along its length. Each sampling chamber (3) has a sampling port (4) at its upper end. Each sampling port (4) has a baffle (5) for blocking the sampling port (4) inserted into it. Adjacent baffles (5) are fixedly connected by a connecting rod (6). A pull rod (7) is fixedly provided at the tail of one of the baffles (5) away from the conical tip (2). A piston chamber (8) and an exhaust channel (9) are connected inside the sampling cylinder (1) and located below the sampling chamber (3). A piston rod (10) is inserted into the piston chamber (8). A mesh (11) is provided on the bottom surface of each sampling chamber (3) to connect with the piston chamber (8). A one-way valve (12) for exhausting only is provided at the end of the exhaust channel (9).

2. The forage quality testing and sampling device according to claim 1, characterized in that: The exhaust passage (9) and piston chamber (8) are arranged in parallel and connected by a through hole (13) on the side near the conical tip (2).

3. The forage quality testing and sampling device according to claim 1, characterized in that: A rubber plug (14) is movably provided at one end of the piston rod (10) that extends into the piston chamber (8).

4. The forage quality testing and sampling device according to claim 1, characterized in that: Each of the sampling ports (4) has an insertion cavity (15) on its inner side, and a baffle (5) is movably inserted into the insertion cavity (15).

5. The forage quality testing and sampling device according to claim 4, characterized in that: Each of the sampling ports (4) has a through hole (16) on its inner side for the connecting rod (6) to pass through.

6. The forage quality testing and sampling device according to claim 1, characterized in that: The baffle (5) is arc-shaped and adapted to the sampling port (4).

7. The forage quality testing and sampling device according to claim 1, characterized in that: The pull rod (7), connecting rod (6) and multiple baffles (5) are fixedly connected as one unit, and the simultaneous opening and closing of multiple sampling ports (4) can be achieved by pushing and pulling the pull rod (7).

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