Multi-point sampling device for environment detection

Abstract

The utility model relates to the technical field of environment detection, in particular to an environment detection multi-point sampling device which comprises a U-shaped supporting frame, fixing frames are fixedly connected to the four corners of the bottom end of the U-shaped supporting frame, moving assemblies are fixedly connected to the interiors of the fixing frames, square holes are formed in the surface of the U-shaped supporting frame, and the moving assemblies are fixedly connected to the surfaces of the U-shaped supporting frame. A handrail is fixedly connected to one side of the top end of the U-shaped supporting frame, and sand baffles are arranged on the front face and the back face of the U-shaped supporting frame. Through the arrangement of the first rotating shaft, the second rotating shaft, the first driving motor and the transmission belt, during use, the first driving motor is started to drive the second rotating shaft to rotate, then the transmission belt drives the first rotating shaft to rotate, and the circumferential surfaces of the first rotating shaft and the second rotating shaft are fixedly connected with reciprocating threaded rods; and then the reciprocating threaded rod is rotated, so that the effects of conveniently changing the sampling position, realizing multi-point sampling under the condition of not moving the equipment and improving the sampling efficiency are achieved.

Description

Technical Field

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

[0002] Environmental sampling refers to the collection of test samples and specimen collection techniques in environmental monitoring, and sometimes also includes the practice of extracting specimens from the parent body. Air sampling, water sampling, soil sampling, solid waste sampling, etc. are all included in the above meaning. Sampling is an indispensable step and link in environmental monitoring. Whether the sampling is correct is one of the keys to whether the environmental monitoring data is reliable.

[0003] The Chinese utility model patent application publication CN215492530U discloses an environment detection multi-point sampling device, which is mainly composed of: a sleeve (1) and an inner rod (2), one end of the inner rod (2) is placed in the sleeve (1), and the outer wall of the inner rod (2) is tightly attached to the inner wall of the sleeve (1); the environment detection multi-point sampling device of the utility model has a simple structure and is easy to carry. It can sample soil from different soil layers at the same position at one time, without the need for manual digging, which can save manpower and material resources and improve sampling efficiency.

[0004] However, the device lacks the function of adjusting the depth. During use, the device inevitably needs to adjust the depth according to the detection situation. Not only that, the device also lacks the function of adjusting the sampling position. During use, the device inevitably needs to change the sampling position for multi-point sampling. Utility Model Content

[0005] The purpose of the utility model is to provide an environment detection multi-point sampling device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A multi-point sampling device for environmental detection comprises a U-shaped support frame, wherein the four corners of the bottom end of the U-shaped support frame are fixedly connected to a fixing frame, the interior of the fixing frame is fixedly connected to a moving assembly, a square hole is opened on the surface of the U-shaped support frame, a handrail is fixedly connected to one side of the top of the U-shaped support frame, a sand guard plate is arranged on the front and back of the U-shaped support frame, a plurality of slots are opened on both sides of the U-shaped support frame, a first rotating shaft and a second rotating shaft are rotatably connected to the interior of the slots respectively, the first rotating shaft and the second rotating shaft both extend to the outside of the U-shaped support frame, the circumferential surfaces of the first rotating shaft and the second rotating shaft are fixedly connected to a reciprocating threaded rod, the surfaces of the reciprocating threaded rod are threadedly connected to a threaded block, the bottom ends of the threaded blocks are fixedly connected to a rotating assembly, the bottom ends of the rotating assemblies are fixedly connected to a first cylinder, the bottom ends of the first cylinders are fixedly connected to a first telescopic rod, the bottom ends of the first telescopic rods are provided with a locking assembly, and the bottom ends of the locking assemblies are fixedly connected to a sampling assembly.

[0008] Preferably, the locking assembly includes a square groove, a connecting column, a square block and a locking ring. A square groove is provided at the bottom end of the first telescopic rod. A connecting column is slidably connected inside the first telescopic rod. Square blocks are provided on both sides of the circumferential surface of the connecting column. The square blocks are clamped in the square groove. A locking ring is provided on the outer surface of the first telescopic rod.

[0009] Preferably, the moving assembly includes a universal wheel, a limit rod, a horizontal plate, a threaded sleeve, a reciprocating threaded rod and a second driving motor, the second driving motor is fixedly connected to the middle of the inner upper surface of the fixed frame, the output end of the second driving motor is sleeved with the reciprocating threaded rod, the bottom of the reciprocating threaded rod is fixedly connected to a baffle, limit rods are symmetrically arranged on both sides of the reciprocating threaded rod, the top of the limit rod is fixedly connected to the fixed frame, the circumferential surface of the reciprocating threaded rod is threadedly connected with a threaded sleeve, the threaded sleeve is slidably connected to the limit rod, vertical rods are symmetrically fixedly connected to the bottom end of the threaded sleeve, the bottom ends of the vertical rods are fixedly connected to the horizontal plate, the middle of the bottom end of the horizontal plate is fixedly connected to the universal wheel, and the bottom end of the fixed frame is provided with an anti-slip pad.

[0010] Preferably, one end of the second rotating shaft located on the outer side of the U-shaped support frame is fixedly connected to the first driving motor, and the second rotating shaft is connected to the first rotating shaft through a transmission belt.

[0011] Preferably, the rotating assembly includes a second driving motor and a rotating rod, the second driving motor is fixedly connected to the threaded block, and the output ends of the second driving motor are fixedly connected to the rotating rod.

[0012] Preferably, the sampling assembly includes a sampling barrel, a second cylinder, a second telescopic rod and a pressure plate, the sampling barrel is fixedly connected to the connecting column, the top end of the sampling barrel is fixedly connected to the second cylinder, the bottom end of the second cylinder is fixedly connected to the second telescopic rod, and the bottom end of the second telescopic rod is fixedly connected to the pressure plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. This multi-point sampling device for environmental detection is provided with a locking ring, a square groove, a connecting column and a square block. When in use, the interior of the first telescopic rod is slidably connected with the connecting column, and square blocks are provided on both sides of the circumferential surface of the connecting column. The square blocks are aligned with the square grooves and inserted, and then locked with a locking ring, so that the sampling component can be more stable on the device during detection and sampling, and the sampling component can be prevented from falling off due to long-term use.

[0015] 2. This kind of multi-point sampling device for environmental detection is arranged by the first rotating shaft, the second rotating shaft, the first driving motor and the transmission belt. When in use, the first driving motor is started to drive the second rotating shaft to rotate, and then the first rotating shaft is driven to rotate by the transmission belt. The circumferential surfaces of the first rotating shaft and the second rotating shaft are fixedly connected with a reciprocating threaded rod, and then the reciprocating threaded rod is rotated, thereby achieving the purpose of facilitating the change of the sampling position, enabling multi-point sampling without moving the equipment, and improving the sampling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the locking assembly structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the mobile component of the utility model.

[0020] In the figure: 1. U-shaped support frame; 2. fixed frame; 3. anti-slip mat; 4. handrail; 5. sand guard; 6. first drive motor; 7. transmission belt; 8. first rotating shaft; 9. second rotating shaft; 10. reciprocating threaded rod; 11. rotating rod; 12. first telescopic rod; 13. sampling barrel; 14. first cylinder; 15. pressure plate; 16. locking ring; 17. threaded block; 18. connecting column; 19. square block; 20. square groove; 21. threaded sleeve; 22. cross plate; 23. universal wheel; 24. second drive motor; 25. limit rod; 26. second cylinder; 27. second telescopic rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4 As shown, a technical solution provided by the utility model:

[0023] A multi-point sampling device for environmental detection comprises a U-shaped support frame 1, wherein the four corners of the bottom end of the U-shaped support frame 1 are fixedly connected to a fixed frame 2, the interior of the fixed frame 2 is fixedly connected to a moving component, a square hole is provided on the surface of the U-shaped support frame 1, a handrail 4 is fixedly connected to one side of the top of the U-shaped support frame 1, a sand guard plate 5 is provided on the front and back of the U-shaped support frame 1, a plurality of slots are provided on both sides of the U-shaped support frame 1, a first rotating shaft 8 and a second rotating shaft 9 are rotatably connected inside the slots, the first rotating shaft 8 and the second rotating shaft 9 are extended to the outside of the U-shaped support frame 1, and the circumferential surfaces of the first rotating shaft 8 and the second rotating shaft 9 are fixedly connected to the outer side of the U-shaped support frame 1. The reciprocating threaded rod 10 is threadedly connected with a threaded block 17 on its surface, the bottom end of the threaded block 17 is fixedly connected with a rotating assembly, the bottom end of the rotating assembly is fixedly connected with a first cylinder 14, the bottom end of the first cylinder 14 is fixedly connected with a first telescopic rod 12, the bottom end of the first telescopic rod 12 is provided with a locking assembly, the bottom end of the locking assembly is fixedly connected with a sampling assembly, and the sand retaining plate 5 is provided, when used, when sampling the ground, sand and soil will be scattered, and it will be easy for sand and soil to hit the user, causing injury to the user, and the structure of the sand retaining plate 5 can achieve the effect of preventing sand and soil from hitting the user and causing injury;

[0024] In this embodiment, preferably, the locking assembly includes a square groove 20, a connecting column 18, a square block 19 and a locking ring 16. The bottom end of the first telescopic rod 12 is provided with a square groove 20, and the interior of the first telescopic rod 12 is slidably connected with the connecting column 18. Square blocks 19 are provided on both sides of the circumference of the connecting column 18. The square blocks 19 are clamped in the square groove 20. The outer surface of the first telescopic rod 12 is provided with a locking ring 16. Through the arrangement of the square groove 20, the connecting column 18, the square block 19 and the locking ring 16, when in use, the square block 19 is aligned with the square groove 20 and inserted, and then locked with the locking ring 16, so as to achieve the effect of making the sampling assembly more stable on the device during detection and sampling, and preventing the sampling assembly from falling off due to long-term use;

[0025] In this embodiment, preferably, the moving assembly includes a universal wheel 23, a limit rod 25, a horizontal plate 22, a threaded sleeve 21, a reciprocating threaded rod 10 and a second drive motor 24. The middle part of the inner upper surface of the fixed frame 2 is fixedly connected to the second drive motor 24, the output end of the second drive motor 24 is sleeved with the reciprocating threaded rod 10, the bottom of the reciprocating threaded rod 10 is fixedly connected to a baffle, and the limit rods 25 are symmetrically arranged on both sides of the reciprocating threaded rod 10. The top of the limit rod 25 is fixedly connected to the fixed frame 2, the circumferential surface of the reciprocating threaded rod 10 is threadedly connected to the threaded sleeve 21, and the threaded sleeve 21 is slidably connected to the limit rod 25. The bottom end of the threaded sleeve 21 is symmetrically fixedly connected to vertical rods on both sides, and the bottom ends of the vertical rods are fixedly connected to the horizontal plate 22. A universal wheel 23 is fixedly connected to the middle part, and an anti-skid pad 3 is arranged at the bottom end of the fixed frame 2. Through the arrangement of the universal wheel 23, the limit rod 25, the cross plate 22, the threaded sleeve 21, the reciprocating threaded rod 10 and the second driving motor 24, when in use, the second driving motor 24 is started to drive the reciprocating threaded rod 10 to rotate, so that the threaded sleeve 21 slides up and down under the restriction of the limit rod 25, and the threaded sleeve 21 drives the cross plate 22 to move up and down, so that the universal wheel 23 extends out of the fixed frame 2, which is convenient for moving the device. After the device is moved to the specified position, the second driving motor 24 rotates in the opposite direction, so that the universal wheel 23 is retracted into the fixed frame 2. At this time, the anti-skid pad 3 contacts the ground, thereby preventing the device from sliding during use;

[0026] In the present embodiment, preferably, one end of the second rotating shaft 9 located on the outer side of the U-shaped support frame 1 is fixedly connected to the first driving motor 6, and the second rotating shaft 9 is connected to the first rotating shaft 8 through a transmission belt 7. Through the arrangement of the first rotating shaft 8, the second rotating shaft 9, the first driving motor 6 and the transmission belt 7, when in use, the first driving motor 6 is started to drive the second rotating shaft 9 to rotate, and then the first rotating shaft 8 is driven to rotate through the transmission belt 7, thereby rotating the reciprocating threaded rod 10, thereby achieving the purpose of facilitating the change of the sampling position, enabling multi-point sampling without moving the equipment, and improving the sampling efficiency;

[0027] In this embodiment, preferably, the rotating assembly includes a second drive motor 24 and a rotating rod 11, the second drive motor 24 is fixedly connected to the threaded block 17, and the output end of the second drive motor 24 is fixedly connected to the rotating rod 11. Through the arrangement of the second drive motor 24 and the rotating rod 11, when in use, the second drive motor 24 is started to drive the rotating rod 11 to rotate, thereby driving the sampling assembly to rotate, thereby achieving the effect of facilitating sampling;

[0028] In the present embodiment, preferably, the sampling assembly includes a sampling barrel 13, a second cylinder 26, a second telescopic rod 27 and a pressing plate 15. The sampling barrel 13 is fixedly connected to the connecting column 18. The top of the sampling barrel 13 is fixedly connected to the second cylinder 26, the bottom end of the second cylinder 26 is fixedly connected to the second telescopic rod 27, and the bottom end of the second telescopic rod 27 is fixedly connected to the pressing plate 15. Through the arrangement of the sampling barrel 13, the second cylinder 26, the second telescopic rod 27 and the pressing plate 15, when in use, the second cylinder 26 is started to drive the second telescopic rod 27 to extend and retract, thereby driving the pressing plate 15 to move up and down, thereby achieving the effect of facilitating the picking up of soil.

[0029] When using the multi-point sampling device for environmental detection of the present embodiment, the device is first moved to the specified position, and then the first driving motor 6 is started to drive the second rotating shaft 9 to rotate, and then the first rotating shaft 8 is driven to rotate by the transmission belt 7, and then the reciprocating threaded rod 10 is rotated, so as to facilitate changing the sampling position, and multi-point sampling can be achieved without moving the device, thereby improving the sampling efficiency, and then the second driving motor 24 is started to drive the rotating rod 11 to rotate, and then the sampling assembly is driven to rotate, so as to facilitate sampling, and then the first cylinder 14 is used to drive the first telescopic rod 12 to move downward, so as to change the sampling depth, and finally the second cylinder 26 is started to drive the second telescopic rod 27 to extend and retract, and then the pressing plate 15 is driven to move up and down, so as to facilitate the soil picking, and in the sampling process, the square block 19 is aligned with the square groove 20 and inserted, and then locked with the locking ring 16, so that the sampling assembly can be more stable on the device during detection and sampling, and the sampling assembly can be prevented from falling off due to long-term use.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A multi-point sampling device for environmental detection, characterized in that: The invention comprises a U-shaped support frame (1), wherein the four corners of the bottom end of the U-shaped support frame (1) are fixedly connected to a fixed frame (2), the interior of the fixed frame (2) is fixedly connected to a moving component, a square hole is provided on the surface of the U-shaped support frame (1), a handrail (4) is fixedly connected to one side of the top end of the U-shaped support frame (1), a sand guard plate (5) is provided on the front and back sides of the U-shaped support frame (1), and a plurality of slots are provided on both sides of the U-shaped support frame (1), wherein the interiors of the slots are respectively rotatably connected to a first rotating shaft (8) and a second rotating shaft (9), and the first rotating shaft (8) and the second rotating shaft (9) are rotatably connected to each other. The shafts (9) extend to the outside of the U-shaped support frame (1); the circumferential surfaces of the first rotating shaft (8) and the second rotating shaft (9) are fixedly connected to a reciprocating threaded rod (10); the surfaces of the reciprocating threaded rod (10) are threadedly connected to a threaded block (17); the bottom ends of the threaded blocks (17) are fixedly connected to a rotating assembly; the bottom ends of the rotating assembly are fixedly connected to a first cylinder (14); the bottom ends of the first cylinders (14) are fixedly connected to a first telescopic rod (12); the bottom ends of the first telescopic rod (12) are provided with a locking assembly; the bottom ends of the locking assemblies are fixedly connected to a sampling assembly.

2. The multi-point sampling device for environmental detection according to claim 1, characterized in that: The locking assembly comprises a square groove (20), a connecting column (18), a square block (19) and a locking ring (16); the bottom end of the first telescopic rod (12) is provided with a square groove (20); the interior of the first telescopic rod (12) is slidably connected with the connecting column (18); square blocks (19) are provided on both sides of the circumferential surface of the connecting column (18); the square blocks (19) are snap-connected to the square groove (20); and the outer surface of the first telescopic rod (12) is provided with a locking ring (16).

3. The multi-point sampling device for environmental detection according to claim 1, characterized in that: The moving assembly comprises a universal wheel (23), a limiting rod (25), a transverse plate (22), a threaded sleeve (21), a reciprocating threaded rod (10) and a second driving motor (24); the middle of the inner upper surface of the fixed frame (2) is fixedly connected to the second driving motor (24); the output end of the second driving motor (24) is sleeved with the reciprocating threaded rod (10); the bottom of the reciprocating threaded rod (10) is fixedly connected to a baffle; and the limiting rods (25) are symmetrically arranged on both sides of the reciprocating threaded rod (10). 5), the top end of the limit rod (25) is fixedly connected to the fixed frame (2), the circumferential surface of the reciprocating threaded rod (10) is threadedly connected to a threaded sleeve (21), the threaded sleeve (21) is slidably connected to the limit rod (25), the bottom end of the threaded sleeve (21) is symmetrically fixedly connected to vertical rods on both sides, the bottom ends of the vertical rods are fixedly connected to horizontal plates (22), the middle part of the bottom end of the horizontal plate (22) is fixedly connected to a universal wheel (23), and the bottom end of the fixed frame (2) is provided with an anti-slip pad (3).

4. The multi-point sampling device for environmental detection according to claim 1, characterized in that: One end of the second rotating shaft (9) located outside the U-shaped support frame (1) is fixedly connected to the first driving motor (6), and the second rotating shaft (9) is transmission-connected to the first rotating shaft (8) via a transmission belt (7).

5. The multi-point sampling device for environmental detection according to claim 1, characterized in that: The rotating assembly comprises a second driving motor (24) and a rotating rod (11); the second driving motor (24) is fixedly connected to the threaded block (17); and the output ends of the second driving motor (24) are fixedly connected to the rotating rod (11).

6. The multi-point sampling device for environmental detection according to claim 2, characterized in that: The sampling assembly comprises a sampling barrel (13), a second air cylinder (26), a second telescopic rod (27) and a pressing plate (15); the sampling barrel (13) is fixedly connected to a connecting column (18); the top end of the sampling barrel (13) is fixedly connected to the second air cylinder (26); the bottom end of the second air cylinder (26) is fixedly connected to the second telescopic rod (27); and the bottom end of the second telescopic rod (27) is fixedly connected to the pressing plate (15).

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