Engineering detection sampling device

Abstract

The utility model relates to the technical field of engineering detection, and discloses an engineering detection sampling device which comprises a sampling barrel and further comprises a piston and a limiting block, the piston is connected in the sampling barrel in a sliding mode, a limiting groove is formed in the limiting block in a penetrating mode, and the sampling barrel is connected with the limiting groove in a sliding mode. And a connecting rod is vertically and fixedly mounted in the middle of the upper surface of the piston. Through the combination of the piston, the connecting rod, the adjusting block, the lead screw and the limiting block, the piston at the bottom end of the connecting rod can be driven by the adjusting block to move up and down in the sampling barrel to adjust the sampling amount, and in the moving process of the adjusting block, the limiting block can be driven by the lead screw to move up and down on the outer side of the sampling barrel; according to the engineering detection sampling device, the insertion depth of the sampling barrel can be limited, and the sampling precision of the sampling barrel is further improved, so that the problems that an existing engineering detection sampling device is inconvenient to control the sampling amount of materials, resources are wasted and repeated sampling is needed are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering detection, in particular to an engineering detection sampling device. Background Art

[0002] According to national standards, engineering supervision requires a number of sampling and testing of the project from beginning to end. Whether it is cement, sand or other powdery or granular materials, the sampling requirements are multiple average sampling.

[0003] After searching, the publication number is CN114062012B, which discloses an engineering inspection sampling device, including a hand-held body, a sampling mechanism and a driving mechanism are respectively provided at two opposite ends of the body, the sampling mechanism includes a first strip member and a second strip member that can move relative to each other, the radial cross-sections of the first strip member and the second strip member are both arc-shaped, and the arc of the cross-section of the first strip member is greater than 180 degrees.

[0004] In the process of realizing the utility model, the inventors found that there are at least the following problems in the prior art that have not been solved: sampling operation is performed by combining a cylinder, a sharp portion, a hand-held end, a barrel, a conical head, a sampling through hole and a handle, but during the sampling process, it is inconvenient to control the sampling depth and the sampling amount, and it is inconvenient to clean the sample in the sampling barrel.

[0005] Therefore, we propose an engineering detection sampling device that can solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide an engineering detection sampling device, which solves the problems raised in the background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an engineering detection sampling device, comprising a sampling tube, a piston and a limit block, the piston being slidably connected to the interior of the sampling tube, a limit groove being penetrated through the interior of the limit block, the sampling tube being slidably connected to the limit groove, a connecting rod being vertically fixedly installed in the middle of the upper surface of the piston, the top end of the connecting rod passing through the top end of the sampling tube and being fixedly connected to one side of the lower surface of the adjusting block, a screw rod being vertically fixedly connected to the other side of the lower surface of the adjusting block, and the bottom end of the screw rod being fixedly connected to one side of the upper surface of the limit block.

[0008] As an optional solution of the technical solution of the present application, a fixing block is fixedly installed on the top end of one side of the sampling tube, a guide groove is opened through the middle of the fixing block, and the screw rod is slidably connected to the guide groove.

[0009] As an optional solution of the technical solution of the present application, the outer side of the screw rod is threadedly connected with a nut, and the nut is placed on the bottom side of the fixing block.

[0010] As an optional solution of the technical solution of the present application, scale lines are engraved on the outer side of the connecting rod, and the connecting rod matches the size of the sampling tube.

[0011] As an optional solution of the technical solution of the present application, the bottom end of the sampling tube is a conical opening, and the outer side of the piston is in contact with the inner wall of the sampling tube.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: through the combination of the piston, the connecting rod, the adjusting block, the screw rod and the limit block, the adjusting block can drive the piston at the bottom end of the connecting rod to move up and down inside the sampling tube to adjust the sampling amount; during the movement of the adjusting block, the screw rod can drive the limit block to move up and down on the outside of the sampling tube, and can limit the insertion depth of the sampling tube, thereby further improving the sampling accuracy of the sampling tube, thereby solving the problem of the existing engineering inspection sampling device being inconvenient to control the sampling amount of the material, causing waste of resources and requiring multiple sampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0014] Figure 1 This is a structural schematic diagram of an engineering detection sampling device of the utility model;

[0015] Figure 2 This is a front view of an engineering detection sampling device of the utility model.

[0016] In the figure: 1. sampling tube; 11. piston; 12. connecting rod; 13. adjusting block; 14. limiting block; 15. limiting groove; 16. screw rod; 2. fixing block; 21. guide groove; 22. nut; 23. scale line. DETAILED DESCRIPTION

[0017] See also Figure 1-Figure 2 The utility model provides a technical solution: an engineering detection sampling device, the bottom end of the sampling tube 1 is a conical opening, including the sampling tube 1, a piston 11 and a limit block 14, the piston 11 is slidably connected to the inside of the sampling tube 1, the outer side of the piston 11 is in contact with the inner wall of the sampling tube 1, and a limit groove 15 is provided inside the limit block 14, the sampling tube 1 is slidably connected to the limit groove 15, a connecting rod 12 is vertically fixedly installed in the middle of the upper surface of the piston 11, the top end of the connecting rod 12 passes through the top end of the sampling tube 1 and is fixedly connected to one side of the lower surface of the adjusting block 13, and the other side of the lower surface of the adjusting block 13 is vertically fixedly connected with a screw rod 16, and the bottom end of the screw rod 16 is fixedly connected to one side of the upper surface of the limit block 14.

[0018] In this technical solution, the staff can pull or push the adjustment block 13 to drive the piston 11 at the bottom end of the connecting rod 12 to move up and down inside the sampling tube 1 to adjust the sampling amount. During the movement of the adjustment block 13, the screw rod 16 can drive the limit block 14 to move up and down on the outside of the sampling tube 1, and can limit the insertion depth of the sampling tube 1, further improving the sampling accuracy of the sampling tube 1, thereby solving the problem of the existing engineering detection sampling device being inconvenient to control the sampling amount of the material, causing waste of resources and requiring multiple sampling. When the sampling is completed, pushing the adjustment block 13 can push the piston 11 at the bottom end of the connecting rod 12 to move downward in the sampling tube 1, and can push out the material in the sampling tube 1, and the piston 11 can automatically clean the material adhered to the inner wall of the sampling tube 1, which is convenient and quick.

[0019] In this embodiment, a fixing block 2 is fixedly installed at the top of one side of the sampling tube 1, a guide groove 21 is opened through the middle of the fixing block 2, the screw rod 16 is slidably connected to the guide groove 21, and a nut 22 is threadedly connected to the outer side of the screw rod 16, and the nut 22 is placed on the bottom side of the fixing block 2.

[0020] In this technical solution, when the sampling volume of the sampling tube 1 is adjusted, the nut 22 on the outside of the screw rod 16 is rotated and pressed against the bottom side of the fixed block 2, so as to limit the position of the limit block 14 and prevent the limit block 14 from moving upward during the sampling process, thereby affecting the sampling accuracy.

[0021] In this embodiment, a scale line 23 is engraved on the outer side of the connecting rod 12 , and the connecting rod 12 matches the size of the sampling tube 1 .

[0022] In this technical solution, the scale lines 23 engraved on the outer side of the connecting rod 12 facilitate the staff to quickly adjust the position of the piston 11 in the sampling tube 1 and further quickly adjust the sampling volume of the sampling tube 1 .

[0023] When an engineering inspection sampling device is used, the staff can pull or push the adjustment block 13 to drive the piston 11 at the bottom end of the connecting rod 12 to move up and down inside the sampling tube 1 to adjust the sampling amount. The scale lines 23 engraved on the outside of the connecting rod 12 facilitate the staff to quickly adjust the position of the piston 11 in the sampling tube 1, and further quickly adjust the sampling amount of the sampling tube 1. During the movement of the adjustment block 13, the screw rod 16 can drive the limit block 14 to move up and down on the outside of the sampling tube 1, so as to limit the insertion depth of the sampling tube 1 When the sampling volume of the sampling tube 1 is adjusted, the nut 22 on the outside of the screw rod 16 is rotated and pressed against the bottom side of the fixed block 2, which can limit the limit block 14 to prevent the limit block 14 from moving upward during the sampling process, affecting the sampling accuracy. It is convenient and quick. When the sampling is completed, the lock of the nut 22 on the screw rod 16 is released, and the piston 11 at the bottom end of the connecting rod 12 can be pushed downward in the sampling tube 1 through the adjustment block 13, so that the material in the sampling tube 1 can be pushed out, and the piston 11 can automatically clean the material adhering to the inner wall of the sampling tube 1, which is convenient and quick.

Claims

1. An engineering inspection sampling device, comprising a sampling tube (1), characterized in that: It also comprises a piston (11) and a limit block (14), wherein the piston (11) is slidably connected to the interior of the sampling tube (1), a limit groove (15) is provided through the interior of the limit block (14), the sampling tube (1) is slidably connected to the limit groove (15), a connecting rod (12) is vertically fixedly installed in the middle of the upper surface of the piston (11), the top end of the connecting rod (12) passes through the top end of the sampling tube (1) and is fixedly connected to one side of the lower surface of the adjustment block (13), the other side of the lower surface of the adjustment block (13) is vertically fixedly connected to a screw rod (16), and the bottom end of the screw rod (16) is fixedly connected to one side of the upper surface of the limit block (14).

2. The engineering detection sampling device according to claim 1, characterized in that: A fixing block (2) is fixedly mounted on the top end of one side of the sampling tube (1), a guide groove (21) is provided through the middle of the fixing block (2), and the screw rod (16) is slidably connected to the guide groove (21).

3. The engineering detection sampling device according to claim 1, characterized in that: The outer side of the screw rod (16) is threadedly connected with a nut (22), and the nut (22) is placed on the bottom side of the fixing block (2).

4. The engineering detection sampling device according to claim 1, characterized in that: The outer side of the connecting rod (12) is engraved with scale lines (23), and the connecting rod (12) matches the size of the sampling tube (1).

5. The engineering detection sampling device according to claim 1, characterized in that: The bottom end of the sampling cylinder (1) is tapered and has an opening, and the outer side of the piston (11) is in contact with the inner wall of the sampling cylinder (1).

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