CN209961521U

CN209961521U - Soil sampling device

Info

Publication number: CN209961521U
Application number: CN201920767784.9U
Authority: CN
Inventors: 刘彦春; 尚晴
Original assignee: Henan University
Current assignee: Henan University
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-01-17
Anticipated expiration: 2029-05-27

Abstract

The utility model relates to a soil sampling technical field specifically is a soil sampling device, including advancing the pipe soon, both ends difference integral type is equipped with first ring and second ring about advancing the pipe soon, be equipped with driven gear and helical blade on advancing the pipe side wall soon, second ring lower extreme fixedly connected with saw sword, advance the pipe soon and be connected with the rotation of connection box body, driven gear is located the connecting box body, the driven gear left side is equipped with the power, the driven gear right side is connected with driving gear transmission, it all is equipped with the handle to connect the box body left and right sides, and handle outside fixedly connected with slipmat, it is equipped with the screw hole to connect box body upper end middle part, the spiro union has the screw thread post in the screw thread hole, the screw thread post upper end is equipped with apron and screw thread post lower extreme and is equipped with the draw-in groove: the servo motor drives the precession pipe to rotate downwards, and then drives the sampling tube to take a sample, need not hammer the sampling tube and can accomplish soil sampling, and the sample is light laborsaving and can avoid the device wearing and tearing.

Description

Soil sampling device

Technical Field

The utility model relates to a soil sampling technical field specifically is a soil sampling device.

Background

Soil sampling device is soil sampler promptly, is the instrument that is used for acquireing the soil sample, along with social development and scientific progress, in multiple fields such as agricultural production, soil restoration, geological survey, all need investigate the detection to the soil environment in the target area, knows soil structure, composition etc. consequently need sample soil, and soil sampling equipment divide into two types on the whole: the soil sampler mainly aims at soil with relatively high soil hardness for taking soil in the field. .

Among the prior art, when soil sampling, it is less to adopt the diameter usually, can form a complete set hammer directly squeeze into the sampling tube in the soil, and then take out soil sample, and there is high frequency hammering to require highly to the contact surface material, and easily causes wearing and tearing, and after the sample was accomplished, need use other supporting devices to take out the sampling tube from soil, wastes time and energy, troublesome poeration, provides a soil sampling device for this to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soil sampling device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a soil sampling device comprises a precession pipe, wherein a first circular ring and a second circular ring are respectively and integrally arranged on the outer side of the upper end of the precession pipe and the inner side of the lower end of the precession pipe, a driven gear and a helical blade are sequentially and fixedly arranged on the precession pipe below the first circular ring, the lower end of the second circular ring is fixedly connected with a saw cutter, the first circular ring on the upper end of the precession pipe is rotatably connected with a connecting box body through a groove, the driven gear is arranged in a cavity of the connecting box body, a power supply fixedly connected to the bottom of the cavity of the connecting box body is arranged on the left side of the driven gear, the right side of the driven gear is in transmission connection with a driving gear, a servo motor is arranged on the right side of the driving gear and fixedly connected in the cavity of the connecting box body, handles are arranged on the left side and the right side of the connecting box, threaded post has screwed joint in the screw hole, threaded post upper end integral type fixed connection apron, and threaded post lower extreme is equipped with the draw-in groove, the joint has the sampling tube in the draw-in groove.

Preferably, the saw blade is of a circular ring structure consisting of sawteeth with wide upper parts and narrow lower parts, and the thickness of the upper ends of the sawteeth on the saw blade is the same as that of the second circular ring.

Preferably, the groove is of a circular ring structure, a plurality of groups of balls are circumferentially arranged on the upper side and the lower side of the groove, and the first circular ring is located between the plurality of groups of balls which are vertically distributed.

Preferably, the size of the threaded hole is the same as the outer diameter of the screwing pipe, and the central axis of the threaded hole and the central axis of the screwing pipe are positioned on the same straight line.

Preferably, the outer diameter of the sampling tube is the same as the size of the clamping groove, the outer diameter of the sampling tube is the same as the inner diameter of the second circular ring, and the sampling tube is connected with the second circular ring in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the servo motor drives the precession tube to rotate downwards so as to drive the sampling tube to sample, soil sampling can be completed without hammering the sampling tube, sampling is easy and labor-saving, and abrasion of the device can be avoided;

2. after soil sampling is completed, the servo motor rotates reversely, the precession tube drives the sampling tube to move upwards, and the sampling tube is easily taken out of the soil, so that the structure is simple and the operation is convenient;

3. when the precession pipe is precessing in soil, the sampling tube of joint in the draw-in groove does not rotate, keeps the integrality of soil sample section structure.

Drawings

FIG. 1 is a front view of the structure of the present invention;

fig. 2 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 3 is a perspective view of a precession tube structure;

FIG. 4 is an enlarged view of the structure at A in FIG. 2;

fig. 5 is an enlarged view of the structure at B in fig. 2.

In the figure: the device comprises a screwing-in pipe 1, a first circular ring 11, a second circular ring 12, a driven gear 13, a helical blade 14, a saw blade 2, a connecting box body 3, a groove 31, a ball 32, a servo motor 4, a driving gear 41, a power supply 5, a handle 6, an anti-slip pad 61, a threaded hole 7, a cover plate 8, a threaded column 81, a clamping groove 82 and a sampling pipe 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a soil sampling device, including advancing pipe 1 soon, advance 1 upper end outside of pipe and advance 1 lower extreme inboard of pipe soon respectively the integral type and be equipped with first ring 11 and second ring 12, first ring 11 below is equipped with driven gear 13 and helical blade 14 on advancing pipe 1 soon fixedly in proper order, 12 lower extreme fixedly connected with saw sword 2 of second ring, saw sword 2 is the ring structure of constituteing by narrow sawtooth under the width, and sawtooth upper end thickness on saw sword 2 is the same with 12 thickness of second ring, when sampling device shifts down in soil, saw sword 2 can block soil and get into the space between advancing pipe 1 and the sampling tube 9 soon, and then avoid the device impaired, the extension live time.

The first ring 11 at the upper end of the precession tube 1 is rotatably connected with the connection box body 3 through a groove 31, the groove 31 is a ring structure, and the upper and lower sides of the groove 31 are circumferentially provided with a plurality of groups of balls 32, in the specific implementation, the balls 32 circumferentially arranged at the upper and lower sides of the groove 31 are not less than three groups, the first ring 11 is positioned between the plurality of groups of balls 32 distributed up and down, the balls 32 mainly play a role of rotatably supporting the first ring 11, the driven gear 13 is positioned in the cavity of the connection box body 3, the left side of the driven gear 13 is provided with a power supply 5 fixedly connected with the bottom of the cavity of the connection box body 3, the right side of the driven gear 13 is in transmission connection with the driving gear 41, the right side of the driving gear 41 is provided with a servo motor 4, the servo motor 4 is fixedly connected in the cavity of the connection box body 3, the servo motor 4 drives the precession tube 1 to rotate downwards, the sampling is easy and labor-saving, and the abrasion of the device can be avoided.

The left side and the right side of the connecting box body 3 are both provided with handles 6, the outer sides of the handles 6 are fixedly connected with anti-slip pads 61, the middle part of the upper end of the connecting box body 3 is provided with a threaded hole 7, the size of the threaded hole 7 is the same as the outer diameter of the screwing pipe 1, the central axis of the threaded hole 7 is positioned on the same straight line with the central axis of the screwing pipe 1, a threaded post 81 is screwed in the threaded hole 7, the upper end of the threaded post 81 is fixedly connected with a cover plate 8 in an integrated manner, the lower end of the threaded post 81 is provided with a clamping groove 82, a sampling pipe 9 is clamped in the clamping groove 82, the sampling pipe 9 is inserted into the inner cavity of the screwing pipe 1 from the lower end of the screwing pipe 1, the upper end of the sampling pipe 9 is clamped in the clamping groove 82 at the lower end of the threaded post 81, the outer diameter of the sampling pipe 9 is the same as the size of the clamping groove 82, the outer, sampling tube 9 of joint in draw-in groove 82 does not rotate, keeps the integrality of soil sample section structure, and the back is accomplished in the sample, adjusts servo motor 4 and makes its reverse motion, and helical blade 14 makes the pipe of advancing 1 soon with soil effect when the drive advances pipe 1 rotation soon and shifts up, when sampling device is whole to be taken out from soil, downwards rotates apron 8, with sampling tube 9 follow draw-out in draw-in groove 82 can.

The working principle is as follows: when the sampling device is used in practice, the cover plate 8 is initially positioned at the position closest to the upper end of the connecting box body 3, the sampling tube 9 is inserted into the cavity in the precession tube 1 from the lower end of the precession tube 1, the upper end of the sampling tube 9 is clamped in the clamping groove 82 at the lower end of the threaded column 81, the cover plate 8 is adjusted upwards to drive the lower end of the sampling tube 9 to be parallel to the lower end of the second circular ring 12, the sampling device is vertically erected above a target position, a worker correspondingly holds the handles 6 at two sides with two hands, the power supply 5 is switched on and the servo motor 4 is switched on, the driving gear 41 drives the precession tube 1 to rotate downwards through the driven gear 13, the arrangement of the saw blade 2 and the spiral blade 14 can enable the sampling device to rotate downwards more easily and quickly, after sampling is completed, the servo motor 4 is adjusted to move reversely, the spiral blade 14 acts on soil to enable the precession tube 1 to move upwards when the precession tube 1, the cover plate 8 is rotated downwards, and the sampling tube 9 is pulled out from the clamping groove 82.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A soil sampling device, includes precession pipe (1), its characterized in that: the upper end outer side of the spirally-feeding pipe (1) and the lower end inner side of the spirally-feeding pipe (1) are respectively provided with a first circular ring (11) and a second circular ring (12) in an integrated manner, the lower part of the first circular ring (11) is sequentially fixedly provided with a driven gear (13) and a helical blade (14) on the spirally-feeding pipe (1), the lower end of the second circular ring (12) is fixedly connected with a saw knife (2), the first circular ring (11) on the upper end of the spirally-feeding pipe (1) is rotatably connected with the connecting box body (3) through a groove (31), the driven gear (13) is positioned in a cavity of the connecting box body (3), the left side of the driven gear (13) is provided with a power supply (5) fixedly connected to the bottom of the cavity of the connecting box body (3), the right side of the driven gear (13) is in transmission connection with a driving gear (41), the right side of the driving gear (41) is provided with a servo motor (4) and the servo, connect box body (3) the left and right sides and all be equipped with handle (6), and handle (6) outside fixedly connected with slipmat (61), it is equipped with screw hole (7) to connect box body (3) upper end middle part, threaded hole (7) internal thread has screw thread post (81), screw thread post (81) upper end integral type fixed connection apron (8), and screw thread post (81) lower extreme is equipped with draw-in groove (82), the joint has sampling tube (9) in draw-in groove (82).

2. A soil sampling device according to claim 1, wherein: the saw blade (2) is of a circular ring structure consisting of sawteeth which are wide at the top and narrow at the bottom, and the thickness of the upper ends of the sawteeth on the saw blade (2) is the same as that of the second circular ring (12).

3. A soil sampling device according to claim 1, wherein: the groove (31) is of a circular ring structure, a plurality of groups of balls (32) are circumferentially arranged on the upper side and the lower side of the groove (31), and the first circular ring (11) is located in the middle of the plurality of groups of balls (32) which are vertically distributed.

4. A soil sampling device according to claim 1, wherein: the size of the threaded hole (7) is the same as the outer diameter of the screwed pipe (1), and the central axis of the threaded hole (7) and the central axis of the screwed pipe (1) are positioned on the same straight line.

5. A soil sampling device according to claim 1, wherein: sampling tube (9) external diameter is the same with draw-in groove (82) size, and sampling tube (9) external diameter is the same with second ring (12) internal diameter size, sliding connection between sampling tube (9) and second ring (12).