Environment-friendly detection sampler

Abstract

The utility model relates to the field of environmental protection detection technology, especially an environmental protection detection sampler, the utility model has the advantages of: through the fastening bolt is tightened, the guide sleeve is locked, the push rod is positioned, the push rod can be driven to stretch out or retract when the sampling drill cylinder and the connecting thread sleeve rotate, a plurality of fixed thorn cones on the push plate can be inserted into the top of the sample core, the sample core can be stably fixed, the sample core is more stable to pull out, the sampling drill cylinder and the connecting thread sleeve are reversed, the push rod can drive the push plate, thereby pushing out the sample core in the sampling drill cylinder, the sample core is more stable and reliable when pulling out, the sample core is convenient to push out after pulling out, when drilling, the pulling effect can be achieved, the sampling drill cylinder can be automatically pulled down, the operator does not need to press hard, the locking and loosening of the guide sleeve can be realized through the fastening bolt, when loosening, the push rod rotates along with the connecting thread sleeve, the sampling drill cylinder can be used according to the ordinary sampling drill cylinder, and the convenience is improved.

Description

Technical Field

[0001] This utility model relates to the field of environmental protection testing technology, and in particular to an environmental protection testing sampler. Background Technology

[0002] Soil environment actually refers to the soil sphere that continuously covers the Earth's land surface. Soil environmental elements include farmland, grassland, and woodland; it is an important layer among the four major spheres of the human living environment, connecting and influencing the other spheres. Soil environmental testing requires soil sampling. Currently, most methods involve drilling into the soil to obtain soil core samples. However, current environmental testing samplers still have the following problems in practical use:

[0003] Currently, when the sampler drills are inserted into the barrel, the core sample is either too tight, making it difficult to remove the core sample from the drill barrel, or too loose, causing the core sample to detach during extraction and making it difficult to pull out the core sample. Utility Model Content

[0004] The purpose of this invention is to at least solve one of the aforementioned technical defects.

[0005] Therefore, one objective of this utility model is to propose an environmental protection testing sampler to solve the problems mentioned in the background art and overcome the shortcomings of the existing technology.

[0006] To achieve the above objectives, one embodiment of this utility model provides an environmental protection detection sampler, including a top fixed frame. A connecting threaded sleeve is rotatably connected to the center of the bottom surface of the inner wall of the top fixed frame. The bottom of the connecting threaded sleeve extends through the bottom surface of the top fixed frame and is fixedly connected to a sampling drill cylinder. The connecting threaded sleeve communicates with the interior of the sampling drill cylinder. A driven bevel gear is fixedly connected to the top of the outer wall of the connecting threaded sleeve. A drive motor is fixedly connected to the middle of one side of the bottom surface of the inner wall of the top fixed frame. A drive bevel gear is fixedly connected to the output end of the drive motor. The drive bevel gear meshes with the driven bevel gear. A push rod is threadedly connected to the inner wall of the threaded sleeve. A push plate is fixedly connected to the bottom end of the push rod. Several fixed spikes are fixedly connected to the bottom surface of the push plate. A fixed sleeve is fixedly connected to the center of the top surface of the top fixed frame. The fixed sleeve passes through the top surface of the inner wall of the top fixed frame. A guide sleeve is rotatably connected to the inner wall of the fixed sleeve. Guide blocks are fixedly connected to both sides of the inner wall of the guide sleeve. Guide grooves are opened in the middle of both sides of the push rod. The two guide blocks are slidably connected to the two guide grooves respectively. A fastening bolt is threadedly connected to the middle of one side of the fixed sleeve. The fastening bolt can penetrate to the inner wall of the fixed sleeve and press against the outer wall of the guide sleeve.

[0007] Preferably, in any of the above embodiments, a push handle is fixedly connected to the center of the top of both sides of the outer wall of the top fixed frame, the two push handles are symmetrically arranged on the left and right, and the outer walls of the two push handles are fixedly connected with anti-slip sleeves.

[0008] The technical effect achieved by adopting the above solution is that it facilitates gripping and pushing operation by pushing the handle and anti-slip sleeve.

[0009] Preferably, in any of the above schemes, the diameter of the push plate is smaller than the diameter of the inner wall of the sampling drill cylinder, the top edge of the sampling drill cylinder is provided with a vent hole communicating with the inside of the sampling drill cylinder, and a plurality of fixed spikes in an annular array are distributed on the bottom surface of the push plate.

[0010] The technical effect achieved by adopting the above scheme is that air can be discharged during drilling through the vent hole, which facilitates the pushing of the core sample.

[0011] Preferably, in any of the above schemes, the length of the push rod is greater than the distance between the bottom of the sampling drill barrel and the top cover of the fixed frame, and the opening length of the two guide grooves is adapted to the length of the push rod.

[0012] The technical effect achieved by adopting the above scheme is that the pushing and guiding stroke of the push rod is sufficient to push out the sample core inside the sampling drill barrel.

[0013] Preferably, in any of the above embodiments, the length of the guide sleeve is equal to the length of the fixed sleeve, the upper and lower sides of the outer wall of the guide sleeve are rotatably connected to the fixed sleeve through bearings, and a damping layer is fixedly connected to the middle of the outer wall of the guide sleeve at the position corresponding to the fastening bolt.

[0014] The technical effect achieved by adopting the above solution is that the damping layer can make the fastening bolts press the guide sleeve more effectively, thereby improving the locking and fixing effect.

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

[0016] 1. This environmental protection sampling device, by tightening the fastening bolts and locking the guide sleeve, positions the push rod. When the sampling drill cylinder and the connecting threaded sleeve rotate, the push rod can extend and retract. Then, several fixed spikes on the push plate can be inserted into the top of the sample core, thus stably fixing the sample core and making the pull-out more stable. After pulling out, reversing the sampling drill cylinder and the connecting threaded sleeve can drive the push rod to push the push plate, thereby pushing out the sample core inside the sampling drill cylinder. This makes the sample core extraction more stable and reliable, and also facilitates the removal of the sample core after it is pulled out. Moreover, during drilling, it can have a pulling effect and automatically pull down the sampling drill cylinder, so the operator does not need to press down forcefully, improving the convenience of operation.

[0017] 2. This environmental protection testing sampler can lock and unlock the guide sleeve by tightening and loosening the fastening bolts. When unlocked, the push rod can rotate with the connecting threaded sleeve, thereby preventing the push rod from being pushed. This allows it to be used like a regular sampling drill, improving convenience. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a side view of the structure of this utility model;

[0020] Figure 3 This utility model Figure 2 Schematic diagram of the cross-sectional structure at point AA;

[0021] Figure 4 This utility model Figure 3 Schematic diagram of the cross-sectional structure at point BB.

[0022] In the diagram: 1-Top fixed frame, 2-Connecting threaded sleeve, 3-Driven bevel gear, 4-Sampling drill barrel, 5-Drive motor, 6-Drive bevel gear, 7-Fixed sleeve, 8-Guide sleeve, 9-Guide block, 10-Push rod, 11-Guide groove, 12-Fasting bolt, 13-Push handle, 14-Push plate, 15-Fixed spike. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings, but the scope of protection of the present invention is not limited to the following description.

[0024] Example 1: As Figures 1 to 4As shown, an environmental protection sampling device includes a top fixed frame 1. A threaded sleeve 2 is rotatably connected to the center of the bottom surface of the inner wall of the top fixed frame 1. The bottom of the threaded sleeve 2 extends through the bottom surface of the top fixed frame 1 and is fixedly connected to a sampling drill cylinder 4. The threaded sleeve 2 communicates with the inside of the sampling drill cylinder 4. A driven bevel gear 3 is fixedly connected to the top of the outer wall of the threaded sleeve 2. A drive motor 5 is fixedly connected to the middle of one side of the bottom surface of the inner wall of the top fixed frame 1. A drive bevel gear 6 is fixedly connected to the output end of the drive motor 5. The drive bevel gear 6 meshes with the driven bevel gear 3. A push rod 1 is threadedly connected to the inner wall of the threaded sleeve 2. 0. A push plate 14 is fixedly connected to the bottom end of the push rod 10. Several fixed spikes 15 are fixedly connected to the bottom surface of the push plate 14. A fixed sleeve 7 is fixedly connected to the center of the top surface of the top fixed frame 1. The fixed sleeve 7 passes through the top surface of the inner wall of the top fixed frame 1. A guide sleeve 8 is rotatably connected to the inner wall of the fixed sleeve 7. Guide blocks 9 are fixedly connected to both sides of the inner wall of the guide sleeve 8. Guide grooves 11 are opened in the middle of both sides of the push rod 10. The two guide blocks 9 are slidably connected to the two guide grooves 11 respectively. A fastening bolt 12 is threadedly connected to the middle of one side of the fixed sleeve 7. The fastening bolt 12 can penetrate into the inner wall of the fixed sleeve 7 and press against the outer wall of the guide sleeve 8.

[0025] As an optional technical solution of this utility model, a push handle 13 is fixedly connected to the center of the top of both sides of the outer wall of the top fixed frame 1. The two push handles 13 are symmetrically arranged on the left and right. The outer walls of the two push handles 13 are fixedly connected to anti-slip sleeves, which facilitates gripping and pushing operation through the push handles 13 and anti-slip sleeves.

[0026] As an optional technical solution of this utility model, the diameter of the push plate 14 is smaller than the diameter of the inner wall of the sampling drill cylinder 4. The top edge of the sampling drill cylinder 4 is provided with a vent hole that communicates with the inside of the sampling drill cylinder 4. Several fixed spikes 15 are arranged in a ring array on the bottom surface of the push plate 14. The vent hole allows air to be discharged during drilling, which facilitates the pushing of the sample core.

[0027] As an optional technical solution of this utility model, the length of the push rod 10 is greater than the distance between the bottom of the sampling drill cylinder 4 and the top cover of the top fixed frame 1. The opening length of the two guide grooves 11 is adapted to the length of the push rod 10, so that the pushing and guiding stroke of the push rod 10 is sufficient to push out the sample core inside the sampling drill cylinder 4.

[0028] As an optional technical solution of this utility model, the length of the guide sleeve 8 is equal to the length of the fixed sleeve 7. The upper and lower sides of the outer wall of the guide sleeve 8 are rotatably connected to the fixed sleeve 7 through bearings. A damping layer is fixedly connected to the middle of the outer wall of the guide sleeve 8 at the position corresponding to the fastening bolt 12. The damping layer can make the fastening bolt 12 press the guide sleeve 8 better, thereby improving the locking and fixing effect.

[0029] An environmental protection testing sampler works on the following principle:

[0030] 1) The top of the sample core can be inserted through several fixed spikes 15 on the push plate 14;

[0031] 2) By tightening the fastening bolt 12, the guide sleeve 8 is locked, thereby positioning the push rod 10. When the sampling drill barrel 4 and the connecting threaded sleeve 2 rotate, the push rod 10 can be driven to extend and retract.

[0032] 3) Then start the drive motor 5 to drive the threaded sleeve 2 and the sampling drill 4 to rotate, thereby pulling down the sampling drill 4 through the threaded transmission between the threaded sleeve 2 and the push rod 10, so that it automatically drills into the soil layer.

[0033] 4) After sampling is completed, pull upward to remove the sample core, then reverse the sampling drill cylinder 4 and the connecting threaded sleeve 2, which can drive the push rod 10 to push the push plate 14, thereby pushing out the sample core inside the sampling drill cylinder 4.

[0034] In summary, this environmental protection sampling device, by tightening the fastening bolt 12 and locking the guide sleeve 8, positions the push rod 10. When the sampling drill cylinder 4 and the connecting threaded sleeve 2 rotate, the push rod 10 can extend and retract. Then, several fixed spikes 15 on the push plate 14 can be inserted into the top of the sample core, thus stably fixing the sample core and making the pull-out more stable. After pulling out, reversing the sampling drill cylinder 4 and the connecting threaded sleeve 2 can drive the push rod 10 to push the push plate 14, thereby pushing out the sample core inside the sampling drill cylinder 4, making the sample core pull-out more stable and reliable. At the same time, it is also easy to push out the sample core after it is pulled out. By tightening and loosening the fastening bolt 12, the guide sleeve 8 can be locked and released. When released, the push rod 10 can rotate with the connecting threaded sleeve 2, thereby preventing the push rod 10 from being pushed. Thus, it can be used like a regular sampling drill cylinder, improving convenience.

[0035] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions, and alterations to the above embodiments within the scope of the present invention without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An environmental protection testing sampler, characterized in that: The system includes a top fixed frame (1), a connecting threaded sleeve (2) rotatably connected to the center of the bottom surface of the inner wall of the top fixed frame (1), the bottom of the connecting threaded sleeve (2) penetrating through the bottom surface of the top fixed frame (1) and fixedly connected to a sampling drill cylinder (4), the connecting threaded sleeve (2) communicating with the inside of the sampling drill cylinder (4), a driven bevel gear (3) fixedly connected to the top of the outer wall of the connecting threaded sleeve (2), a drive motor (5) fixedly connected to the middle of one side of the bottom surface of the inner wall of the top fixed frame (1), a drive bevel gear (6) fixedly connected to the output end of the drive motor (5), the drive bevel gear (6) meshing with the driven bevel gear (3), a push rod (10) threadedly connected to the inner wall of the connecting threaded sleeve (2), and the bottom of the push rod (10) A push plate (14) is fixedly connected to the end. Several fixed spikes (15) are fixedly connected to the bottom surface of the push plate (14). A fixed sleeve (7) is fixedly connected to the center of the top surface of the top fixed frame (1). The fixed sleeve (7) penetrates the top surface of the inner wall of the top fixed frame (1). A guide sleeve (8) is rotatably connected to the inner wall of the fixed sleeve (7). Guide blocks (9) are fixedly connected to both sides of the inner wall of the guide sleeve (8). Guide grooves (11) are opened in the middle of both sides of the push rod (10). The two guide blocks (9) are slidably connected to the two guide grooves (11) respectively. A fastening bolt (12) is threadedly connected to the middle of one side of the fixed sleeve (7). The fastening bolt (12) can penetrate into the inner wall of the fixed sleeve (7) and press against the outer wall of the guide sleeve (8).

2. The environmental protection sampling device according to claim 1, characterized in that: Push handles (13) are fixedly connected to the center of the top of both sides of the outer wall of the top fixed frame (1). The two push handles (13) are symmetrically arranged on the left and right, and anti-slip sleeves are fixedly connected to the outer walls of the two push handles (13).

3. The environmental protection sampling device according to claim 2, characterized in that: The diameter of the push plate (14) is smaller than the diameter of the inner wall of the sampling drill tube (4). The top edge of the sampling drill tube (4) is provided with a ventilation hole that communicates with the inside of the sampling drill tube (4). A plurality of fixed spikes (15) are arranged in a ring array on the bottom surface of the push plate (14).

4. The environmental protection detection sampler according to claim 3, characterized in that: The length of the push rod (10) is greater than the distance between the bottom of the sampling drill tube (4) and the top cover of the top fixed frame (1), and the opening length of the two guide grooves (11) is adapted to the length of the push rod (10).

5. An environmental protection testing sampler according to claim 4, characterized in that: The length of the guide sleeve (8) is equal to the length of the fixed sleeve (7). The upper and lower sides of the outer wall of the guide sleeve (8) are rotatably connected to the fixed sleeve (7) through bearings. A damping layer is fixedly connected to the middle part of the outer wall of the guide sleeve (8) at the position corresponding to the fastening bolt (12).

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