Cement stabilized soil on-site sampling device

Abstract

The utility model discloses a cement stabilized soil on-site sampling device, and belongs to the technical field of cement sampling. One side of the sampling pipe is open, the other side of the sampling pipe is provided with a row of feed ports, feed pipes are mounted in the feed ports, two ends of the sampling pipe are in threaded fit with two threaded cylinders, a first baffle is mounted between the two threaded cylinders and attached to the sampling pipe, and a second baffle is in sliding fit with the inside of the sampling pipe. A placing plate is mounted in the sampling tube. Cement sampling at multiple positions can be achieved through one row of feeding ports of the sampling pipe, cement samples entering from the feeding ports can enter the sample storage barrel through the connecting pipe and the arc-shaped pipe, collection and storage of the cement samples are guaranteed, scattered sampling is achieved, relative concentration of sample distribution is avoided, and the sampling efficiency is improved. The sampled cement sample can directly enter the sample storage barrel, and the sample does not need to be manually poured into the sample storage barrel, so that the operation is more convenient, and a pouring phenomenon is avoided.

Description

Technical Field

[0001] This utility model relates to the field of cement sampling technology, specifically to a field sampling device for cement-stabilized soil. Background Technology

[0002] A sampling device is a piece of equipment or tool used to obtain representative samples from a process or system. It has wide applications in many fields and industries, including environmental monitoring, chemical, petroleum, natural gas, pharmaceutical, and food safety. The core purpose of a sampling device is to ensure that the obtained sample accurately represents the entire process or system being tested, so as to facilitate subsequent analysis and testing. In the construction of cement-soil subbases for highways, A4 type soil is often used. To ensure the stability and reliability of A4 type soil in the cement-soil subbase of highways, on-site performance evaluation of A4 type soil is required. During the evaluation, a sampling device is needed to sample the cement in the A4 type soil at the cement-stabilized soil site. Sampling operations will be conducted to monitor and analyze the performance of A4 soil under different environmental conditions, ensuring its stability and reliability in practical engineering applications. The long-term performance of A4 soil in actual use will be studied to provide a scientific basis for future engineering applications. Specifically, the study will delve into the changes in key performance indicators of A4 soil, such as compressive strength, shear strength, durability, deformation characteristics, and permeability, over long-term use. The impact of external environmental factors such as climate and traffic loads on the long-term performance of A4 soil will be assessed. Improvement measures and optimized construction techniques for A4 soil will be proposed to enhance its long-term performance, providing a scientific basis and technical support for the construction of cement-soil subbases for highways, ensuring the quality and service life of highway projects.

[0003] Existing cement sampling devices have a relatively simple structure, generally consisting of a hollow metal tube with a sharp end. When in use, the tube is inserted into a cement bag to take a sample. The samples obtained during this process are relatively concentrated. Furthermore, existing cement sampling devices can only take a limited number of samples each time. When obtaining a large number of samples, staff need to repeatedly insert and remove the sampling device and pour the sample into a storage cylinder. This operation is cumbersome and prone to spillage. Utility Model Content

[0004] The purpose of this utility model is to provide a field sampling device for cement-stabilized soil. The first baffle can block the inlet of the sampling tube to prevent the cement sample in the inlet tube from leaking after collection. The connecting tube is sleeved inside the inlet tube. The cement sample entering at the inlet can enter the sample storage cylinder through the connecting tube and the arc-shaped tube, ensuring the collection and storage of cement samples.

[0005] The utility model is realized through the following technical solutions:

[0006] This utility model relates to a field sampling device for cement-stabilized soil, comprising a sampling tube open on one side and a row of feed inlets on the other side of the sampling tube. A feed pipe is installed inside the feed inlets. Two threaded cylinders are threaded to both ends of the sampling tube. A first baffle is installed between the two threaded cylinders and fits against the sampling tube. A second baffle is slidably fitted inside the sampling tube. A placement plate is installed inside the sampling tube. An L-shaped plate is set on the top surface of the placement plate. A sample storage cylinder is set on the placement plate. A second clamping plate is installed on the side wall of the sample storage cylinder and slidably fitted inside the L-shaped plate. A top plate is installed at the top of the sample storage cylinder. A T-shaped groove is opened on the top plate. A T-shaped cylinder is slidably fitted inside the T-shaped groove. The top of the T-shaped cylinder is connected to an arc-shaped pipe. The end of the arc-shaped pipe is connected to a connecting pipe, which is sleeved inside the feed tube.

[0007] Furthermore, the bottom end of the sampling tube is threaded with a tapered head, and a moving groove is opened on the side wall of the sampling tube, with the second baffle sliding inside the moving groove.

[0008] Furthermore, the sampling tube is threaded at the top and fitted with a T-shaped post.

[0009] Furthermore, push rods are installed on the T-shaped columns.

[0010] Furthermore, a ring is provided at the top of the threaded cylinder, a connecting plate is installed on the side wall of the ring, a slot is opened on the connecting plate, a first clamping plate is fixed on the first baffle, and the first clamping plate cooperates with the slot.

[0011] Furthermore, an extension plate is provided at the top of the first baffle, extending to the outside of the top of the sampling tube.

[0012] This utility model has the following beneficial effects:

[0013] The sampling tube of this utility model has a row of inlets that can achieve cement sampling at multiple locations. The cement sample entering through the inlet can enter the sample storage cylinder through the connecting pipe and the arc-shaped pipe, ensuring the collection and storage of cement samples, realizing decentralized sampling, avoiding relatively concentrated sample distribution, and the sampled cement sample can be directly put into the sample storage cylinder without the need to manually pour the sample into the sample storage cylinder, making the operation more convenient and avoiding spillage.

[0014] The first baffle of this invention slides between two threaded cylinders, allowing it to rotate in a ring shape on the outer wall of the sampling tube. The first baffle blocks the inlet of the sampling tube, preventing leakage of cement samples from the inlet after collection. At the same time, the second baffle blocks the opening of the sampling tube, preventing cement samples from entering the sampling tube through the opening when sampling cement, thus ensuring the sampling tube can be used effectively.

[0015] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the sampling device.

[0017] Figure 2 for Figure 1 Enlarged schematic diagram of the structure in area A;

[0018] Figure 3 This is a schematic diagram of the structure with the first baffle blocking the feed inlet.

[0019] Figure 4 This is a schematic diagram of the structure with the second baffle separated from the sampling tube.

[0020] Figure 5 This is a schematic diagram of the structure of the placement plate and the sample storage cylinder;

[0021] Figure 6 This is a schematic diagram of the internal structure of the placement plate and sample storage cylinder.

[0022] In the diagram: 1. Sampling tube; 101. Conical head; 102. Moving groove; 103. Feed inlet; 104. Feed pipe; 105. Placement plate; 106. L-shaped plate; 107. First baffle; 108. Clamping plate; 109. Extension plate; 2. Threaded cylinder; 201. Ring; 202. Connecting plate; 203. Clamping groove; 3. Second baffle; 4. T-shaped column; 5. Push rod; 6. Sample storage cylinder; 601. Clamping plate; 602. Top plate; 603. T-shaped groove; 604. T-shaped cylinder; 605. Arc-shaped tube; 606. Connecting pipe. Detailed Implementation

[0023] 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.

[0024] Please see Figure 1-6This utility model provides a technical solution: a cement-stabilized soil on-site sampling device, including a sampling tube 1 with an opening on one side, and a row of feed inlets 103 on the other side of the sampling tube 1. The row of feed inlets 103 can realize cement sampling at multiple locations. A feed tube 104 is installed inside the feed inlet 103. Two threaded cylinders 2 are threaded at both ends of the sampling tube 1. A first baffle 107 is installed between the two threaded cylinders 2. A ring 201 is set at the top of the threaded cylinder 2. A connecting plate 202 is installed on the side wall of the ring 201. A slot 203 is opened on the connecting plate 202. A first clamping plate 108 is fixed on the first baffle 107. The first clamping plate 108 cooperates with the slot 203. The first baffle 107 slides between the two threaded cylinders 2, so that the first baffle 107 can rotate in a ring at the outer side wall of the sampling tube 1.

[0025] An extension plate 109 is provided at the top of the first baffle 107. The extension plate 109 extends to the outside of the top of the sampling tube 1. The first baffle 107 is in contact with the sampling tube 1. The first baffle 107 can block the inlet 103 of the sampling tube 1 to prevent the cement sample in the feed tube 104 inside the inlet 103 from leaking after collection.

[0026] The sampling tube 1 has a sliding fit with a second baffle 3 inside. The bottom end of the sampling tube 1 is threaded with a conical head 101. A moving groove 102 is opened on the side wall of the sampling tube 1. The second baffle 3 slides inside the moving groove 102. The opening of the sampling tube 1 is blocked by the second baffle 3 to prevent the cement sample from entering the sampling tube 1 through the opening when the sampling tube 1 is used to sample the cement. The top end of the sampling tube 1 is threaded with a T-shaped column 4, and a push rod 5 is installed on the T-shaped column 4.

[0027] A placement plate 105 is installed inside the sampling tube 1. An L-shaped plate 106 is set on the top surface of the placement plate 105. A sample storage cylinder 6 is set on the placement plate 105. A second clamping plate 601 is installed on the side wall of the sample storage cylinder 6. The second clamping plate 601 is slidably fitted inside the L-shaped plate 106. The slidably installed sample storage cylinder 6 can be easily disassembled. A top plate 602 is installed on the top of the sample storage cylinder 6. The sample storage cylinder 6 and the top plate 602 form an integral unit. A through hole is opened on the top plate 602. A T-shaped opening is opened on the top plate 602. The T-shaped groove 603 has a sliding fit with a T-shaped cylinder 604 inside. The T-shaped cylinder 604 is connected to the through hole of the top plate 602. The top of the T-shaped cylinder 604 is connected to an arc-shaped tube 605. The end of the arc-shaped tube 605 is connected to a connecting pipe 606. The connecting pipe 606 is sleeved inside the feed pipe 104. The cement sample entering at the feed inlet 103 can enter the sample storage cylinder 6 through the connecting pipe 606 and the arc-shaped tube 605, ensuring the collection and storage of the cement sample.

[0028] When sampling cement at the cement-stabilized soil site using the sampling device, the conical head 101 at the bottom of the sampling tube 1 is inserted into the cement. The sampling tube 1 is pushed into the cement by the push rod 5 and the T-shaped column 4. The extension plate 109 is moved by hand, allowing the first baffle 107 to move between the two threaded cylinders 2 and the sampling tube 1. This allows the first clamping plate 108 to separate from the clamping groove 203 of the connecting plate 202, preventing the first baffle 107 from blocking the feed inlet 103 on the side wall of the sampling tube 1. Cement can then enter the feed pipe 104 inside the feed inlet 103. After sampling, the first baffle 107 is rotated again to block the feed inlet 103, and the sampling tube 1 is removed. The cement sample inside the feed pipe 104 enters the sample storage cylinder 6 through the connecting pipe 606 and the arc-shaped pipe 605. After the sampling pipe 1 is removed from the cement, the sampling of cement by the sampling pipe 1 is completed. Pulling the second baffle 3 inside the moving groove 102 opens the opening of the sampling pipe 1, allowing the sample storage cylinder 6 to be taken directly. The second clamping plate 601 moves inside the L-shaped plate 106 of the placement plate 105, and the T-shaped cylinder 604 at the bottom of the arc-shaped pipe 605 moves inside the T-shaped groove 603 of the top plate 602 at the top of the sample storage cylinder 6, ensuring that the user can remove the entire sample storage cylinder 6 and the top plate 602 from the sampling pipe 1. Pour the sample storage cylinder 6 so that the cement sample inside the sample storage cylinder 6 can be discharged from the through hole of the top plate 602, further facilitating the user to test the cement.

[0029] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A field sampling device for cement-stabilized soil, comprising a sampling tube (1) open on one side, a row of feed inlets (103) opened on the other side of the sampling tube (1), and a feed pipe (104) installed inside the feed inlets (103), characterized in that: The sampling tube (1) is threaded at both ends to two threaded cylinders (2). A first baffle (107) is installed between the two threaded cylinders (2). The first baffle (107) is in contact with the sampling tube (1). A second baffle (3) is slidably fitted inside the sampling tube (1). A placement plate (105) is installed inside the sampling tube (1). An L-shaped plate (106) is provided on the top surface of the placement plate (105). A sample storage cylinder (6) is provided on the placement plate (105). A second clip is installed on the side wall of the sample storage cylinder (6). Plate (601), the second card plate (601) is slidably fitted inside the L-shaped plate (106), the top plate (602) is installed at the top of the sample storage cylinder (6), the top plate (602) has a T-shaped groove (603) opened on the top plate (602), the T-shaped cylinder (604) is slidably fitted inside the T-shaped groove (603), the top of the T-shaped cylinder (604) is connected to the arc-shaped tube (605), the port of the arc-shaped tube (605) is connected to the connecting pipe (606), and the connecting pipe (606) is sleeved inside the feed pipe (104).

2. The on-site sampling device for cement-stabilized soil according to claim 1, characterized in that, The sampling tube (1) has a tapered head (101) threaded at the bottom end, and a moving groove (102) is opened on the side wall of the sampling tube (1). The second baffle (3) slides inside the moving groove (102).

3. The on-site sampling device for cement-stabilized soil according to claim 2, characterized in that, The top of the sampling tube (1) is threaded to fit a T-shaped post (4).

4. The on-site sampling device for cement-stabilized soil according to claim 3, characterized in that, A push rod (5) is installed on the T-shaped column (4).

5. The on-site sampling device for cement-stabilized soil according to claim 1, characterized in that, The top of the threaded cylinder (2) is provided with a ring (201), and a connecting plate (202) is installed on the side wall of the ring (201). A slot (203) is opened on the connecting plate (202), and a first card plate (108) is fixed on the first baffle (107). The first card plate (108) cooperates with the slot (203).

6. The on-site sampling device for cement-stabilized soil according to claim 5, characterized in that, An extension plate (109) is provided at the top of the first baffle (107), and the extension plate (109) extends to the outside of the top of the sampling tube (1).

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