CN209783943U

CN209783943U - Soil sampling device

Info

Publication number: CN209783943U
Application number: CN201920165881.0U
Authority: CN
Inventors: 杨万霞; 于丹丹; 胡飞龙
Original assignee: Nanjing Forestry University; Nanjing Institute of Environmental Sciences MEE
Current assignee: Nanjing Forestry University; Nanjing Institute of Environmental Sciences MEE
Priority date: 2019-01-30
Filing date: 2019-01-30
Publication date: 2019-12-13
Anticipated expiration: 2029-01-30

Abstract

the utility model relates to a soil sampling device, which comprises a soil taking mechanism arranged on a support frame, wherein the support frame is provided with a driving mechanism, and the driving mechanism is movably connected with the soil taking mechanism; the driving mechanism comprises a rolling bearing arranged in the side wall of the support frame, a rotating shaft arranged in the rolling bearing, a connecting disc welded at one end of the rotating shaft, a holding rod welded on the surface of the connecting disc, a solid helical gear welded at the other end of the rotating shaft, a T-shaped hollow rotating block arranged in the upper end wall of the support frame and a hollow helical gear welded at the lower end of the T-shaped hollow rotating block. This soil sampling device can be comparatively stable get soil, can get the soil of the same regional different degree of depth in addition when carrying out the soil sample, conveniently releases soil from getting soil mechanism after the sample, and the operation is more convenient.

Description

Soil sampling device

Technical Field

The utility model belongs to the technical field of the soil sampling, concretely relates to soil sampling device.

Background

The soil sampler has many kinds, collects soil samples on the surface of the farm land or the wasteland, can use a small-sized shovel to research general physical properties of the soil, such as soil volume weight, porosity, water holding property and the like, can use a cutting ring, the most common sampling tool is a soil drill, the soil drill is divided into two types of manual operation and mechanical operation, the manually operated soil drill has a plurality of types, the soil drill with a short handle and a screw head soil drill are provided, the latter has labor-saving soil feeding, and is particularly suitable for observing underground water level change, but the quantity of collected soil samples is small, when the soil samples for chemical analysis or physical analysis without original soil are collected, the original soil samples without damaging the soil structure or the shape are collected by using an open type soil drill, and the sleeve type soil drill is used.

Present common manual soil sampling device is when using, and is directly exerting pressure on device upper portion more for the device pressurized is stretched into and is taken a sample behind the earth, but in case need gather the sample of certain degree of depth, then do not exert pressure well, can't take out more sample soil from the mechanism of fetching earth after the sample in addition, and is comparatively loaded down with trivial details, and some devices are a whole and the volume is great moreover, and it is also comparatively troublesome to carry.

SUMMERY OF THE UTILITY MODEL

the utility model aims at providing a simple structure, a reasonable in design's a soil sampling device just for solving above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

A soil sampling device comprises a soil taking mechanism arranged on a support frame, wherein a driving mechanism is arranged on the support frame and is movably connected with the soil taking mechanism, the soil taking mechanism can be taken down from the support frame and can be replaced, and when soil at different depths is collected, hollow screw rods with different lengths can be replaced according to requirements;

The driving mechanism comprises a rolling bearing arranged in the side wall of the support frame, a rotating shaft arranged in the rolling bearing, a connecting disc welded at one end of the rotating shaft, a holding rod welded on the surface of the connecting disc, a solid helical gear welded at the other end of the rotating shaft, a T-shaped hollow rotating block arranged in the upper end wall of the support frame and a hollow helical gear welded at the lower end of the T-shaped hollow rotating block, wherein the hollow helical gear drives the T-shaped hollow rotating block to rotate after being driven by the solid gear, the T-shaped hollow rotating block drives the screw rod to move downwards or upwards through threads after rotating, the functions of inserting soil to fetch soil and taking out soil are achieved, and the rolling.

As the utility model discloses a further optimization scheme, the mechanism of fetching earth includes the cavity lead screw, locates logical pole in the cavity lead screw, welds the bulldozing piston at logical pole lower extreme at the circular piece of holding of logical pole upper end and welding, the bulldozing piston is located inside the cavity lead screw, need take out logical pole when fetching earth, will lead to the pole and insert the inside soil sample of cavity lead screw in order to extrude the cavity lead screw after the sample.

As the utility model discloses a further optimization scheme, the lower extreme of cavity lead screw sets to the sloping platform form, leave the space between bulldozing piston and the cavity lead screw inner wall, prevent that the frictional force between bulldozing piston and the cavity lead screw is too big and lead to soil sample to get out.

As the utility model discloses a further optimization scheme, be equipped with T shape cell in the upper end wall of support frame, and be equipped with the mouth that fetches earth in the lower endwall of support frame, make things convenient for the cavity lead screw to take a sample.

as the utility model discloses a further optimization scheme, T shape cavity turning block is located T shape hole inslot, and is equipped with the ball between T shape cavity turning block and the T shape hole groove, reduces the frictional resistance between T shape cavity turning block and the T shape hole groove.

As a further optimization scheme of the utility model, all be equipped with the hole groove that supplies the cavity lead screw to pass through in the mouth of borrowing, cavity helical gear, the T shape cavity rotation piece, be equipped with the inclined thread on the hole inslot wall, cooperate through screw thread and cavity lead screw, can play the effect of drive cavity lead screw, the precision is also higher moreover.

As a further optimization scheme of the utility model, cavity helical gear and solid helical gear meshing.

the beneficial effects of the utility model reside in that:

1) The utility model arranges the pressure applying mechanism at a horizontal position, converts circular motion into vertical linear motion of the hollow screw rod after gear adjustment, can be conveniently operated when taking soil samples of different depths, is more stable in the soil taking process, can not be influenced by external force to cause deviation of a sampling path or change of an angle, and improves the sampling efficiency;

2) The soil sampling mechanism of the utility model can be disassembled from the device, is convenient to replace, can sample soil at different depths, has wider application range, can conveniently take out soil samples in the soil sampling mechanism after sampling, and has more convenient operation;

3) The utility model discloses simple structure, stability is high, reasonable in design, the realization of being convenient for.

drawings

fig. 1 is a schematic view of the overall structure of the present invention;

Fig. 2 is a schematic sectional structure of the present invention;

Fig. 3 is a sectional view of the soil sampling mechanism of the present invention.

In the figure: 1. a support frame; 10. a soil taking port; 11. a T-shaped hole slot; 2. a soil taking mechanism; 20. a hollow lead screw; 21. a circular holding block; 22. a through rod; 23. a dozing piston; 3. a drive mechanism; 31. a rotating shaft; 32. connecting the disks; 33. a holding rod; 34. a rolling bearing; 35. a solid helical gear; 36. a T-shaped hollow turning block; 37. hollow helical gears.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

example 1

As shown in fig. 1-3, a soil sampling device comprises a soil sampling mechanism 2 arranged on a support frame 1, wherein a driving mechanism 3 is arranged on the support frame 1, and the driving mechanism 3 is movably connected with the soil sampling mechanism 2;

The driving mechanism 3 comprises a rolling bearing 34 arranged in the side wall of the support frame 1, a rotating shaft 31 arranged in the rolling bearing 34, a connecting disc 32 welded at one end of the rotating shaft 31, a holding rod 33 welded on the surface of the connecting disc 32, a solid helical gear 35 welded at the other end of the rotating shaft 31, a T-shaped hollow rotating block 36 arranged in the upper end wall of the support frame 1 and a hollow helical gear 37 welded at the lower end of the T-shaped hollow rotating block 36, the soil taking mechanism 2 comprises a hollow screw rod 20, a through rod 22 arranged in the hollow screw rod 20, a round holding block 21 welded at the upper end of the through rod 22 and a soil pushing piston 23 welded at the lower end of the through rod 22, the soil pushing piston 23 is positioned in the hollow screw rod 20, the lower end of the hollow screw rod 20 is arranged in an inclined table shape, a gap is reserved between the soil pushing piston 23 and the inner wall of the hollow screw rod 20, the T-shaped hollow rotating block 36 is positioned in the T-shaped hole groove 11, balls are arranged between the T-shaped hollow rotating block 36 and the T-shaped hole groove 11, hole grooves for the hollow screw rod 20 to pass through are formed in the soil taking port 10, the hollow helical gear 37 and the T-shaped hollow rotating block 36, helical threads are arranged on the inner wall of the hole grooves, and the hollow helical gear 37 is meshed with the solid helical gear 35.

It should be noted that, when in use, after the support frame 1 is transported to a designated sampling place, the hollow screw rod 20 is screwed into the T-shaped hole 11 at the upper end of the support frame 1, then the holding rod 33 is rotated, the holding rod 33 drives the connecting disc 32 to rotate, the connecting disc 32 drives the rotating shaft 31 to drive the solid helical gear 35 to rotate, the hollow helical gear 37 mutually kneaded with the solid helical gear 35 is driven, the hollow helical gear 37 and the T-shaped hollow rotating block 36 welded with the solid helical gear start to rotate, after the rotation, the hollow screw rod 20 is driven to move downwards, the hollow screw rod 20 passes through the soil taking port 10 on the support frame 1 and then is inserted into soil, soil is collected inside the hollow screw rod 20, after sampling is finished, the holding rod 33 is rotated reversely again, the hollow screw rod 20 can be screwed out of the soil, soil within a certain depth and a certain range is collected in the hollow screw rod 20, after being taken out, the through rod, the soil is pushed out of the hollow screw rod 20 to achieve the sampling function, and after the hollow screw rod 20 with different lengths needs to be replaced, the holding rod 33 only needs to be rotated reversely until the hollow screw rod 20 leaves the support frame 1.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. the utility model provides a soil sampling device, includes support frame (1), locates borrowing mechanism (2) on support frame (1), its characterized in that: the driving mechanism (3) is arranged on the support frame (1), and the driving mechanism (3) is movably connected with the soil taking mechanism (2);

The driving mechanism (3) comprises a rolling bearing (34) arranged in the side wall of the support frame (1), a rotating shaft (31) arranged in the rolling bearing (34), a connecting disc (32) welded at one end of the rotating shaft (31), a holding rod (33) welded on the surface of the connecting disc (32), a solid helical gear (35) welded at the other end of the rotating shaft (31), a T-shaped hollow rotating block (36) arranged in the upper end wall of the support frame (1) and a hollow helical gear (37) welded at the lower end of the T-shaped hollow rotating block (36).

2. A soil sampling device according to claim 1, wherein: the soil taking mechanism (2) comprises a hollow screw rod (20), a through rod (22) arranged in the hollow screw rod (20), a round holding block (21) welded at the upper end of the through rod (22) and a soil pushing piston (23) welded at the lower end of the through rod (22), wherein the soil pushing piston (23) is positioned in the hollow screw rod (20).

3. A soil sampling device according to claim 2, wherein: the lower end of the hollow screw rod (20) is arranged to be in an inclined table shape, and a gap is reserved between the bulldozing piston (23) and the inner wall of the hollow screw rod (20).

4. A soil sampling device according to claim 1, wherein: the soil sampler is characterized in that a T-shaped hole groove (11) is formed in the upper end wall of the support frame (1), and a soil sampling opening (10) is formed in the lower end wall of the support frame (1).

5. a soil sampling device according to claim 4, wherein: the T-shaped hollow rotating block (36) is positioned in the T-shaped hole groove (11), and a ball is arranged between the T-shaped hollow rotating block (36) and the T-shaped hole groove (11).

6. A soil sampling device according to claim 4, wherein: hole grooves for the hollow screw rods (20) to pass through are formed in the soil taking port (10), the hollow helical gears (37) and the T-shaped hollow rotating blocks (36), and oblique threads are arranged on the inner walls of the hole grooves.

7. A soil sampling device according to claim 1, wherein: the hollow bevel gear (37) is meshed with the solid bevel gear (35).