CN114813203A - Manual rotation soil column appearance sampling device - Google Patents
Manual rotation soil column appearance sampling device Download PDFInfo
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- CN114813203A CN114813203A CN202110069804.7A CN202110069804A CN114813203A CN 114813203 A CN114813203 A CN 114813203A CN 202110069804 A CN202110069804 A CN 202110069804A CN 114813203 A CN114813203 A CN 114813203A
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- soil
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- bevel gear
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a manual rotation soil columnar sample sampling device which comprises a rack, a soil sampling rod, a soil sampling drill bit and a manual driving mechanism, wherein the soil sampling rod is arranged on the rack; the rack is provided with a limiting structure and a manual driving mechanism; the manual driving mechanism comprises a rocker, a first bevel gear, a first bearing, a second bevel gear and a second bearing; the second bevel gear is provided with the internal thread and is in threaded connection with the soil sampling rod, so that the rotation of the rocker is converted into the vertical movement of the soil sampling rod to drive the soil sampling drill bit to enter soil for sampling. Compared with the prior art, the manual rotation soil columnar sample sampling device provided by the invention has the advantages that the sampling drill bit is enabled to downwards enter soil by utilizing manual rotation force, and the soil columnar sample is taken out by reverse rotation. Through set up the scale on the pole of fetching earth for calculate the depth of fetching earth, be favorable to accurate sample.
Description
Technical Field
The invention relates to the technical field of soil sampling equipment, in particular to a manually-rotated soil columnar sample sampling device.
Background
Soil is a loose layer of material covering the earth's surface and is composed of various granular minerals, organic substances, organisms and the like. The soil conditioner can provide nutrient substances for biological growth, simultaneously record development and evolution information of the earth, and carry out deep research on soil by a large number of scientific researchers since the formation of science. Research shows that the soil columnar sample not only records the information of soil nutrient migration and transformation, but also records the development and evolution information of the earth ecosphere such as earth evolution, human activities, climate change and the like, and the development and evolution information of the universe. Therefore, the analysis of the soil is always a focus of research in the scientific community, and especially, the research on the evolution law of different soil level elements is more concerned by the scientific community. Therefore, accurate and rapid collection of soil column samples is a focus of scientific attention.
In the existing laboratory technology, a soil columnar sample is collected mainly by using gravity, and a sampler is hammered into soil to take out soil of different levels by mainly using an electric heavy hammer or a manual heavy hammer to knock. The electric power is adopted to save manpower, the instrument is fast, but the instrument is heavy and is not easy to carry outdoors, and the manpower is consumed by knocking the heavy hammer for sampling, and certain risks exist.
Disclosure of Invention
In view of the above-mentioned deficiencies in the prior art, the present invention provides a manually rotatable soil columnar sample sampling device, which is convenient to carry and saves labor in sampling.
The invention provides a manual rotation soil columnar sample sampling device which comprises a rack, a soil sampling rod, a soil sampling drill bit and a manual driving mechanism, wherein the soil sampling rod is connected with the rack;
the rack is provided with a limiting structure and a manual driving mechanism;
the outer wall of the soil sampling rod is provided with external threads and a sliding chute which extends axially along the soil sampling rod, and the sliding chute is matched with the limiting structure to limit the rotation of the soil sampling rod;
the top of the soil taking drill bit is fixedly connected with the bottom of the soil taking rod, and the bottom of the soil taking drill bit is provided with a columnar soil taking groove;
the manual driving mechanism comprises a rocker, a first bevel gear, a first bearing, a second bevel gear and a second bearing; the first bearing is arranged on the rack above the limiting structure, the rocker and the rack form rotary connection through the first bearing, and one end of the rocker is connected with a first bevel gear; the first bevel gear is meshed with the second bevel gear, a through hole is formed in the second bevel gear, internal threads matched with the external threads are arranged in the through hole, the second bevel gear is sleeved outside the soil sampling rod and is in threaded connection with the soil sampling rod, the second bevel gear is arranged above the limiting structure, and the second bevel gear is in rotational connection with the limiting structure through the second bearing.
Preferably, the limiting structure comprises a plurality of limiting blocks arranged at the same horizontal height at intervals.
Preferably, the limiting structure comprises a limiting table and a limiting block, the limiting table is used for supporting the second bearing and the second bevel gear, and the limiting block is matched with the sliding groove to limit the rotation of the soil taking rod.
Preferably, an opening is formed in the side face of the soil taking drill bit, and the opening is communicated with the soil taking groove.
Preferably, the lower part of the soil sampling drill bit is provided with at least two cutting edges.
Preferably, the inner side wall of the soil sampling groove is provided with a plurality of strip-shaped bulges in an inclined mode.
Preferably, a graduated scale extending along the axial direction of the soil sampling rod is arranged on the soil sampling rod.
Preferably, the rack comprises a housing and a plurality of support rods arranged at the lower part of the housing; the casing is the tubular structure of both ends open-ended, the pole setting of fetching earth is in the inboard of casing, limit structure sets up on the inner wall of casing, first bearing sets up on the casing of limit structure top.
Preferably, the support rod comprises a telescopic rod-like structure.
Preferably, one end of the support rod is fixed on the housing, and the other end of the support rod is provided with a support plate.
Compared with the prior art, the manual rotation soil columnar sample sampling device provided by the invention has the advantages that the sampling drill bit is enabled to downwards enter soil by utilizing manual rotation force, and the soil columnar sample is taken out by reverse rotation. Through set up the internal thread on the second bevel gear to with its and the pole threaded connection that fetches earth, make only can realize changing the rotation of rocker into the reciprocating of pole that fetches earth through two bevel gears, effectively simplified transmission structure, thereby effectively reduced the volume and the weight that adopt the device, made its portable, be favorable to reducing manufacturing cost simultaneously. Through set up the scale on the pole that fetches earth for calculate the depth of fetching earth, be favorable to accurate sample.
The features mentioned above can be combined in various suitable ways or replaced by equivalent features as long as the object of the invention is achieved.
Drawings
The invention will be described in more detail hereinafter on the basis of non-limiting examples only and with reference to the accompanying drawings. Wherein:
fig. 1 is a schematic structural diagram of a manual rotation soil column sampling device according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an earth-boring drill bit provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a rack and a limiting structure provided in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a rack and another limiting structure provided in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a rack and another limiting structure provided in an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a manually rotated soil column sampling device according to another embodiment of the present invention;
fig. 7 is a schematic structural view of a fixing plate according to another embodiment of the present invention.
Description of reference numerals:
1. a housing; 2. taking a soil rod; 3. a soil sampling drill bit; 4. a support bar; 5. a support plate; 6. a rocker; 7. a first bearing; 8. a first bevel gear; 9. a second bevel gear; 10. a second bearing; 11a, 11b, 11c, 11d, a limiting block; 12. a limiting table; 13. a chute; 14. a graduated scale; 15. a soil sampling groove; 16. an opening; 17. a knife edge; 18. strip-shaped bulges; 19. a handle; 20. a fixing plate; 21. mounting a through hole; 22. and (7) mounting a seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and more complete, the following technical solutions of the present invention will be described in detail, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the specific embodiments of the present invention belong to the protection scope of the present invention.
The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As shown in fig. 1, the manual rotation soil column sample sampling device comprises a frame, a soil sampling rod 2, a soil sampling drill 3 and a manual driving mechanism. The frame is used for supporting whole sampling device, and the frame includes casing 1 and sets up a plurality of bracing pieces 4 in casing 1 lower part, and casing 1 is the tubular structure of both ends opening 16, is provided with limit structure on the inner wall of casing 1, and in this embodiment, as shown in fig. 3, limit structure comprises a plurality of stopper 11a of interval setting at same level (for example 4). Casing 1 is vertical places, makes both ends opening 16 set up from top to bottom, and the vertical setting of pole 2 that fetches earth is in the inboard of casing 1, and the outer wall of pole 2 that fetches earth is provided with external screw thread (not shown in the figure) and along the spout 13 of pole 2 axial extensions that fetches earth, and spout 13 cooperatees with stopper 11a and forms sliding connection for the rotation of restriction pole 2 that fetches earth. The bottom of the soil taking rod 2 is fixed with a soil taking drill bit 3. The top of the soil sampling drill bit 3 is fixedly connected with the bottom of the soil sampling rod 2, the bottom of the soil sampling drill bit 3 is provided with a columnar soil sampling groove 15, and the soil sampling groove 15 is used for accommodating a columnar sample of soil. The manual driving mechanism is arranged on the shell 1 and is used for driving the soil taking rod 2 to move up and down. The manual driving mechanism comprises a rocker 6, a first bevel gear 8, a first bearing 7, a second bevel gear 9 and a second bearing 10; the first bearing 7 is arranged on the side wall of the shell 1 above the limiting structure, the first bearing 7 is a radial bearing, and the axis of a bearing hole of the first bearing is horizontally arranged; the rocker 6 is rotatably connected with the shell 1 through a first bearing 7, the rocker 6 penetrates through a bearing hole, one end of the rocker 6 is positioned on the inner side of the shell 1, and the other end of the rocker 6 is positioned on the outer side of the shell 1; the end of the rocker arm 6 located inside the housing 1 is connected to a first bevel gear 8, which first bevel gear 8 meshes with a second bevel gear 9 located therebelow. A through hole is arranged at the central position of the second bevel gear 9, an internal thread (not shown in the figure) matched with the external thread of the soil taking rod 2 is arranged in the through hole, and the second bevel gear 9 is sleeved outside the soil taking rod 2 and forms threaded connection with the soil taking rod 2. The second bevel gear 9 is arranged above the limit block 11a, and the second bevel gear 9 and the limit block 11a are in rotational connection through a second bearing 10. The second bearing 10 is a thrust bearing, the axis of a bearing hole of the thrust bearing is vertically arranged, and the soil sampling rod 2 penetrates through the bearing hole of the second bearing 10; the stopper 11a is used to support the second bearing 10 and the second bevel gear 9, while the stopper 11a cooperates with the first bevel gear 8 to restrict the up-and-down movement of the second bevel gear 9.
During sampling, the rocker 6 is manually rotated to drive the first bevel gear 8 to rotate, the second bevel gear 9 is driven to rotate by the first bevel gear 8, the soil taking rod 2 is driven to move downwards by the rotation of the second bevel gear 9 to generate downward power, and the soil taking drill bit 3 is moved downwards to drill into soil to obtain a columnar sample; the rocker 6 is rotated reversely to drive the sampling rod to move upwards, the soil sampling drill 3 is driven to move upwards, and the soil columnar sample is taken out. In order to facilitate the operator to turn the rocker 6, a handle 19 may be added to the rocker 6. Through set up the internal thread on second bevel gear 9 to with its and the pole 2 threaded connection that fetches earth, make only can realize changing the rotation of rocker 6 into the reciprocating of pole 2 that fetches earth through two bevel gears, effectively simplified transmission structure, thereby effectively reduced the volume and the weight that adopt the device, make its portable, be favorable to reducing manufacturing cost simultaneously. The cylindrical shell 1 can effectively shield each rotating part, and the dust is prevented, and the safety of manual operation is improved. The limiting block 11a integrates the functions of limiting the rotation of the soil taking rod 2 and the up-and-down movement of the second bevel gear 9, so that the limiting structure is simplified, the size and the weight of the device are further reduced, the device is convenient to carry, and the manufacturing cost is reduced. The manual driving mechanism is used for using the rocker 6, so that the operation is simple and labor-saving. The first bearing 7 and the second bearing 10 can effectively reduce the friction resistance when the rocker 6 and the second bevel gear 9 rotate.
In some embodiments, the support rod 4 is a rod-shaped structure with a telescopic variable length, and one end of the support rod 4 is fixed on the housing 1 through a buckle. Further, the other end of bracing piece 4 is provided with backup pad 5, and backup pad 5 is trapezoidal for support ground, through the length of adjusting bracing piece 4, makes geotome perpendicular to ground or domatic, and the sampling personnel can step on backup pad 5 during the soil sampling simultaneously, prevents that sampling device from rocking.
In some embodiments, the upper portion of the soil sampling rod 2 is provided with a graduated scale 14 extending along the axial direction of the soil sampling rod 2 for calculating the soil sampling depth, which is beneficial to accurate sampling. Further, the upper part of the soil sampling rod 2 is also provided with a stopper to limit the range of downward movement of the soil sampling rod 2.
In some embodiments, the left and right sides of the soil sampling drill bit 3 are respectively provided with an opening 16, the opening 16 is communicated with the soil sampling groove 15, and after soil sampling is completed, soil can be downwards sampled at the opening 16 by using a hard object such as a screwdriver.
Furthermore, in order to make the soil sampling drill bit 3 easily cut the soil, two knife edges 17 are arranged at the lower part of the soil sampling drill bit 3, and the two knife edges 17 rotate downwards to easily cut the soil, so that the soil enters the soil sampling groove 15.
Further, as shown in fig. 2, a plurality of strip-shaped protrusions 18 are provided on the inner side wall surface of the soil sampling groove 15, the strip-shaped protrusions 18 are inclined, and when the drill bit is rotated downward, the strip-shaped protrusions 18 are inclined in the opposite direction of the rotation, so that when the drill bit is rotated in the opposite direction, the strip-shaped protrusions 18 increase the soil gripping efficiency and prevent the soil from slipping. The strip-shaped bulges 18 can be in the shapes of triangle or square, etc., are not suitable to be too large, and the height and width ranges from 1 mm to 1.5 mm.
In some embodiments, the spacing structure may also be a structure comprising a spacing stage and a spacing block. The limiting table is used for supporting the second bearing 10 and the second bevel gear 9, the limiting table can be an annular bulge which is arranged on the inner wall of the shell 1 and the top of which is a plane, and the limiting table of the structure has a large starting range and is stable in support; as shown in fig. 4 and 5, the limiting table 12 may be composed of a plurality of projections arranged at the same horizontal height at intervals. The limiting block is arranged in the shell 1 and is matched with the sliding chute 13 on the soil taking rod 2 to form sliding connection so as to limit the rotation of the soil taking rod 2; as shown in fig. 4, the limiting block 11b may be disposed on the inner wall of the housing 1 below the limiting table 12; as shown in fig. 5, the limiting block 11c may also be directly disposed on the limiting block 12 at a side of the limiting block facing the center of the housing 1.
The improvement is based on the embodiment shown in fig. 1, and the housing 1 on the frame is replaced by a fixing plate 20 and a mounting seat 22. As shown in fig. 6, one end of the support rod 4 is fixed to the bottom of the fixing plate 20, the mounting seat 22 is fixed to the top of the fixing plate 20, and the mounting seat 22 is used for mounting the manual driving mechanism. As shown in fig. 7, a mounting through hole 21 is formed in the fixing plate 20, a plurality of limit blocks 11d are disposed on an inner wall of the mounting through hole 21, the limit blocks 11d and edges of the mounting through hole 21 together form a limit structure, the edges of the mounting through hole 21 support the second bearing 10 and the second bevel gear 9, and the limit blocks 11d limit the rotation of the soil-taking rod 2.
Finally, it should be noted that: the above embodiments and examples are only used to illustrate the technical solution of the present invention, but not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments and examples, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments or examples may still be modified, or some of the technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments or examples of the present invention.
Claims (10)
1. A manual rotation soil column sample sampling device is characterized by comprising a frame, a soil taking rod, a soil taking drill bit and a manual driving mechanism;
the rack is provided with a limiting structure and a manual driving mechanism;
the outer wall of the soil sampling rod is provided with external threads and a sliding chute which extends axially along the soil sampling rod, and the sliding chute is matched with the limiting structure to limit the rotation of the soil sampling rod;
the top of the soil taking drill bit is fixedly connected with the bottom of the soil taking rod, and the bottom of the soil taking drill bit is provided with a columnar soil taking groove;
the manual driving mechanism comprises a rocker, a first bevel gear, a first bearing, a second bevel gear and a second bearing; the first bearing is arranged on the rack above the limiting structure, the rocker and the rack form rotary connection through the first bearing, and one end of the rocker is connected with a first bevel gear; the first bevel gear is meshed with the second bevel gear, a through hole is formed in the second bevel gear, an internal thread matched with the external thread is arranged in the through hole, the second bevel gear is sleeved outside the soil taking rod and is in threaded connection with the soil taking rod, the second bevel gear is arranged above the limiting structure, and the second bevel gear is in rotational connection with the limiting structure through the second bearing.
2. The manual rotary soil columnar sample sampling device according to claim 1, wherein the limiting structure comprises a plurality of limiting blocks arranged at the same horizontal height at intervals.
3. The manual rotation soil column sample sampling device of claim 1, wherein the limiting structure comprises a limiting table and a limiting block, the limiting table is used for supporting the second bearing and the second bevel gear, and the limiting block is matched with the sliding groove to limit the rotation of the soil sampling rod.
4. The manual rotary soil columnar sample sampling device of claim 1, wherein the lateral surface of the soil sampling drill is provided with an opening, and the opening is communicated with the soil sampling groove.
5. The manual rotary soil columnar sampling device of claim 1, wherein the lower portion of the earth-taking drill bit is provided with at least two blades.
6. The manual rotary soil columnar sample sampling device as recited in claim 1, wherein a plurality of strip-shaped protrusions are obliquely arranged on the inner side wall of the soil sampling groove.
7. The manual rotary soil column sampling device of claim 1, wherein the soil sampling rod is provided with a graduated scale extending axially along the soil sampling rod.
8. The manual rotary soil column sampling device of any one of claims 1-7, wherein the housing comprises a housing and a plurality of support rods disposed at a lower portion of the housing; the casing is the tubular structure of both ends open-ended, the pole that fetches earth sets up the inboard of casing, limit structure sets up on the inner wall of casing, first bearing sets up on the casing of limit structure top.
9. The manually rotatable soil column sampling device of claim 8, wherein the support rod comprises a telescoping rod-like structure.
10. The manually rotatable soil column sampling device of claim 9, wherein one end of said support rod is fixed to said housing and the other end of said support rod is provided with a support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110069804.7A CN114813203A (en) | 2021-01-19 | 2021-01-19 | Manual rotation soil column appearance sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110069804.7A CN114813203A (en) | 2021-01-19 | 2021-01-19 | Manual rotation soil column appearance sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114813203A true CN114813203A (en) | 2022-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110069804.7A Pending CN114813203A (en) | 2021-01-19 | 2021-01-19 | Manual rotation soil column appearance sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114813203A (en) |
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2021
- 2021-01-19 CN CN202110069804.7A patent/CN114813203A/en active Pending
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