CN216524882U

CN216524882U - Soil sampler

Info

Publication number: CN216524882U
Application number: CN202123121244.XU
Authority: CN
Inventors: 肖千奇; 隋健鸿; 雷野; 唐宏; 陈科杰; 陈昱坤
Original assignee: Chongqing Yukeyuan Environmental Protection Technology Co ltd
Current assignee: Chongqing Yukeyuan Environmental Protection Technology Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-05-13
Anticipated expiration: 2031-12-13

Abstract

The utility model relates to the technical field of soil sampling, in particular to a soil sampler, which comprises a bottom plate, a sampling cylinder and a motor with double output shafts, wherein the upper surface of the bottom plate is provided with a protective shell with a hollow interior; two screw rods are symmetrically arranged between the protective shell and the bottom plate; the two screw rods are provided with a first supporting plate in a penetrating way; the double-output-shaft motor is fixed on the first supporting plate, and two ends of the output shaft are respectively connected with the sampling cylinder and the driving gear; the sampling cylinder penetrates through the bottom plate, and one end of the sampling cylinder is detachably connected with the output shaft of the motor with double output shafts; the driving gear is positioned above the first supporting plate and is in power connection with a driven outer gear ring; the driven outer gear ring is provided with two pieces; the two driven outer gear rings are respectively sleeved on the two screw rods and are in threaded connection with the screw rods; the driven outer gear rings are rotatably arranged on the first supporting plate; by adopting the technical scheme of the utility model, the problems of time and labor waste when the existing soil sampling device samples soil can be solved, and the soil sampling device is simple to operate and low in learning cost.

Description

Soil sampler

Technical Field

The utility model relates to the technical field of soil sampling, in particular to a soil sampler.

Background

Soil sampling is an important link in the process of analyzing physicochemical properties of soil organic matters, nutrient content, particle size composition and the like, and the quality of soil sample collection is an important precondition related to the accuracy of experimental analysis results. The collection of present soil sample adopts the pipe sample thief usually, utilizes this sample thief to gather behind the soil sample, and the common mode of taking out the soil sample is released the soil sample from the pipe with the push rod, and the in-process of releasing not only wastes time and energy, still can inevitable extrudees the soil sample, destroys original soil to produce artificial disturbance to the sample.

In order to solve the technical problems, Chinese patent (patent publication No. CN208968858U) discloses a soil sampling device convenient for taking out a soil sample, wherein a rear half threaded pipe, a front half threaded pipe and a plum bolt are mutually matched, so that the device is convenient for taking out the soil sample in the threaded pipe, and meanwhile, artificial disturbance can not occur; the bottom plate is matched with the conical block, so that the phenomenon that the threaded pipe slips when standing alone during sampling is effectively avoided, and the device is more convenient to sample; by arranging the protective plate, sand and stones on the surface of the threaded rod can be removed when the threaded rod is withdrawn after sampling is finished, and the threads of the bottom plate and the sleeve are prevented from being damaged by the sand and stones;

although above-mentioned technical scheme has solved current soil sampling process and can produce the problem of artificial disturbance to the sample, nevertheless at the sampling in-process, need both hands to grip the holding rod and rotate the threaded rod and then take a sample to earth to all need the staff to rotate the threaded rod around the sample, work load and time cost when having increased the sample.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a soil sampler, which aims to solve the problem that the existing soil sampling device wastes time and labor when used for sampling soil.

According to the embodiment of the utility model, the soil sampler comprises a bottom plate, a sampling cylinder and a motor with double output shafts, wherein the upper surface of the bottom plate is provided with a protective shell with a hollow interior; two screw rods are symmetrically arranged between the protective shell and the bottom plate; the two screw rods are commonly provided with a first supporting plate for fixing a motor with double output shafts in a penetrating manner; two ends of an output shaft of the double-output shaft motor are respectively connected with a sampling cylinder and a driving gear;

the sampling cylinder penetrates through the bottom plate, and one end of the sampling cylinder is detachably connected with the output shaft of the motor with double output shafts; the driving gear is positioned above the first supporting plate, and is in power connection with a driven outer gear ring used for driving the first supporting plate to move along the axial direction of the screw rod; the driven outer gear ring is provided with two pieces; the two driven outer gear rings are respectively sleeved on the two screw rods and are in threaded connection with the screw rods; the driven outer gear rings are rotatably arranged on the first supporting plate.

The technical principle of the utility model is as follows:

when soil is sampled, the bottom plate is placed on the surface of the sampled soil, the two feet stand on the upper surface of the bottom plate, the first supporting plate is positioned close to the top end of the inner wall of the protective shell, and the sampling cylinder is connected with the output shaft of the motor with double output shafts; during sampling, a motor with double output shafts is started, and the two output shafts of the motor with double output shafts respectively drive a sampling cylinder and a driving gear to rotate at the same speed; the driving gear is meshed with a driven outer gear ring, the inner side surface of the driven outer gear ring is in threaded connection with the screw rod, the driven outer gear ring is also in rotary connection with the surface of the first supporting plate, the driving gear drives the driven outer gear ring to rotate, the driven outer gear ring drives the first supporting plate to move along the axial direction of the screw rod through threads, and the first supporting plate drives the double-output-shaft motor and the sampling cylinder to move up and down; the sampling tube moves towards the lower surface of the soil while rotating, and the soil is filled into the sampling tube; when the sampling cylinder is withdrawn, the double-output-shaft motor is controlled to rotate reversely, and the driving gear drives the driven outer gear ring to rotate reversely, so that the first supporting plate drives the double-output-shaft motor and the sampling cylinder to move towards the initial position; and after the sampling tube returns to the initial position, the sampling tube is detached, and the sampling can be finished.

Preferably, a planetary gear mechanism is meshed between the driving gear and the driven outer gear ring; the planetary gear mechanism comprises a plurality of planetary gears and a double-faced gear ring; the plurality of planet gears are rotatably arranged on the first supporting plate and are simultaneously meshed with the driving gear; the inner side of the double-sided gear ring is simultaneously meshed with the planet gear; a transmission gear for transmitting power is arranged between the driven outer gear ring and the double-sided gear ring; the transmission gears are rotatably arranged on the surface of the first supporting plate.

Through adopting above-mentioned technical scheme, the power of driving gear output passes through planetary gear mechanism after, and the rotational speed reduces, and the moment of torsion increase can improve the moment of torsion when driven outer gear ring rotates to make the sampler barrel can pierce harder soil and take a sample.

Preferably, the upper surface of the first support plate is detachably connected with a sealing cover through a bolt.

Through adopting above-mentioned technical scheme, sealed lid can prevent that debris from getting into, protects the normal transmission of planetary gear mechanism and driving gear.

Preferably, a second supporting plate is arranged on the two screw rods in a penetrating manner; the second supporting plate is arranged between the double-output-shaft motor and the bottom plate and is fixedly connected with the double-output-shaft motor; the lower surface of the second supporting plate is rotatably provided with a transmission sleeve; the transmission sleeve is arranged between the motor with the double output shafts and the sampling cylinder and is in spline connection with the output shafts of the motor with the double output shafts and the sampling cylinder respectively; an annular clamping block is arranged on the outer surface of the sampling tube; the surface of the transmission sleeve is rotatably provided with a plurality of buckles matched with the annular clamping blocks.

By adopting the technical scheme, the transmission sleeve is used for connecting the double-output-shaft motor and the sampling cylinder and transmitting power; the buckle mutually supports with annular fixture block, can quick assembly disassembly sampling tube, has improved staff's dismouting sampling tube.

Preferably, the outer surface of the protection shell is symmetrically provided with through holes convenient for dismounting the sampling cylinder.

By adopting the technical scheme, the sampling tube can penetrate through the through hole and press the clamping block, so that the sampling tube can be quickly disassembled and assembled.

Preferably, the outer surface of the protective shell is provided with a graduated scale which is positioned on one side of the through hole.

Through adopting above-mentioned technical scheme, through the scale, can know the degree of depth that the sampler barrel pierces earth, accuracy when having improved soil sampling.

Preferably, a plurality of grooves are formed in the end face, far away from the motor with the double output shafts, of the sampling cylinder.

Through adopting above-mentioned technical scheme, speed when can improving the sampler barrel and pierce earth.

Compared with the prior art, the utility model has the following beneficial effects:

1. the sampling cylinder and the driving gear are driven to rotate by the double-output-shaft motor, the first supporting plate, the double-output-shaft motor and the sampling cylinder are driven by the driving gear through the driven outer gear ring to reciprocate along the axial direction of the screw rod, soil is sampled, and workload and time cost during sampling are reduced;

2. the whole sampling process can be completed by controlling the positive and negative rotation of the motor with double output shafts; the sampling tube can be quickly disassembled and assembled by matching the buckle with the annular clamping block, the operation is simple and quick, and the learning cost is low;

3. the driving gear improves the output torque through the planetary gear mechanism, reduces the output rotating speed, can improve the puncture force when the sampling cylinder samples, and is suitable for sampling harder soil;

4. the bottom plate is worn to locate by the sampler barrel to the sampler barrel can be dismantled with the transmission sleeve and be connected, and the through-hole of conveniently dismantling the sampler barrel is still seted up on the surface of protection casing, can improve the dismantlement speed of sampler barrel, conveniently takes a sample next time.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the internal structure of the protective housing according to the present invention;

FIG. 4 is a schematic view of the connection between a conventional sleeve and a sampling tube according to the present invention.

In the above drawings: the device comprises a base plate 1, a sampling cylinder 2, a double-output-shaft motor 3, a protective shell 4, a lead screw 5, a first supporting plate 6, a driving gear 7, a driven outer gear ring 8, a planetary gear 9, a double-sided gear ring 10, a transmission gear 11, a sealing cover 12, a second supporting plate 13, a transmission sleeve 14, an annular clamping block 15, a clamping buckle 16, a groove 17, a graduated scale 18 and a through hole 19.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

As shown in fig. 1 to 4, the soil sampler comprises a bottom plate 1, a sampling cylinder 2 and a motor 3 with double output shafts, wherein the upper surface of the bottom plate 1 is fixedly connected with a protective shell 4 through bolts, and the interior of the protective shell 4 is hollow; the lower surface of the bottom plate 1 is fixedly connected with a plurality of conical blocks, so that the bottom plate 1 is prevented from slipping when soil is sampled; two screw rods 5 are arranged between the protective shell 4 and the bottom plate, the two screw rods 5 are symmetrically arranged about the protective shell 4, and two ends of the two screw rods 5 are respectively fixedly connected with the inner wall of the protective shell 4 and the upper surface of the bottom plate 1; the two screw rods 5 are jointly penetrated with a first support plate 6 and a second support plate 13, and the first support plate 6 is positioned above the second support plate 13; a double-output-shaft motor 3 is fixedly connected between the first supporting plate 6 and the second supporting plate 13; two output shafts of the double-output-shaft motor 3 respectively penetrate through the first supporting plate 6 and the second supporting plate 13 and are respectively connected with a driving gear 7 and a transmission sleeve 14;

the driving gear 7 is positioned on the upper surface of the first supporting plate 6, and the driving gear 7 is connected with a planetary gear mechanism; as shown in fig. 3, the planetary gear mechanism comprises three planet gears 9 and a double-sided ring gear 10, wherein the three planet gears 9 are all rotatably connected to the surface of the first support plate 6; the three planet gears 9 are uniformly distributed around the driving gear 7 in the circumferential direction and are meshed with the driving gear 7 at the same time; the inner ring and the outer ring of the double-sided gear ring 10 are both provided with teeth, and the inner side of the double-sided gear ring 10 is simultaneously meshed with the three planet gears 9; two transmission gears 11 are meshed on the outer side of the double-sided gear ring 10, and the two transmission gears 11 are respectively positioned on two sides of the double-sided gear ring 10 and are symmetrically arranged relative to the double-sided gear ring 10; the two transmission gears 11 are respectively meshed with driven outer gear rings 8, the two driven outer gear rings 8 are respectively sleeved on the surfaces of the two screw rods 5, and the inner side surfaces of the two driven outer gear rings 8 are both in threaded connection with the screw rods 5; the two driven outer gear rings 8 are also simultaneously and rotationally arranged on the surface of the first supporting plate 6; the upper surface of the first supporting plate 6 is detachably connected with a sealing cover 12 through a bolt, the sealing cover 12 covers the upper surface of the first supporting plate 6, and the sealing cover 12 and the upper surface of the first supporting plate 6 jointly form a cavity for protecting the planetary gear mechanism, the transmission gear 11 and the driven outer gear ring 8;

the transmission sleeve 14 is rotatably connected to the lower surface of the second support plate 13; as shown in fig. 4, the transmission sleeve 14 is in spline connection with the output end of the dual-output shaft motor 3; the outer surface of the transmission sleeve 14 is rotatably provided with two buckles 16, the two buckles 16 are symmetrically arranged relative to the transmission sleeve 14, and an elastic rotating shaft is arranged between the buckles 16 and the transmission sleeve 14; the elastic rotating shaft comprises a torsion spring and a rotating shaft, the torsion spring is sleeved on the surface of the rotating shaft, and two ends of the torsion spring are respectively abutted against the sampling tube 2 and the buckle 16, so that the rotated buckle 16 can be automatically reset; a sampling tube 2 penetrates through the lower part of the transmission sleeve 14, and the sampling tube 2 is in splined connection with the transmission sleeve 14; an annular fixture block 15 is integrally formed on the outer surface of the sampling tube 2, and the annular fixture block 15 is matched with a buckle 16; the annular clamping block 15 and the two buckles 16 are both in the prior art, and the clamping mode also belongs to the conventional means, so the detailed structure is not described herein; when the annular clamping block 15 and the two buckles 16 are mutually clamped, the sampling cylinder 2 is fixedly connected with the transmission sleeve 14, and the output end of the double-output-shaft motor 3 can drive the sampling cylinder 2 to rotate through the transmission sleeve 14; when the sampling tube 2 needs to be taken down, the upper end of the buckle 16 is pressed at the same time, the buckle 16 is not clamped with the annular clamping block 15, and the sampling tube 2 can be taken down at the moment;

the sampling tube 2 penetrates through the bottom plate 1, as shown in fig. 1 and 2, two strip-shaped through holes 19 are formed in the surface of the protective shell 4, and the two through holes 19 are symmetrically arranged relative to the sampling tube 2, so that workers can conveniently disassemble and assemble the sampling tube 2; the outer surface of the protective shell 4 is also provided with a graduated scale 18, and the graduated scale 18 is positioned at one side of the through hole 19; the bottom end face of the sampling tube 2 is also provided with a plurality of grooves 17.

The implementation principle of the embodiment of the application is as follows:

before sampling soil, firstly placing the bottom plate 1 on the soil surface, and simultaneously respectively standing two feet on the upper surface of the bottom plate 1 to fix the bottom plate 1 at the current position; at the moment, the motor 3 with double output shafts is positioned at the top end of the screw rod 5, the sealing cover 12 is attached to the top end of the inner wall of the protective shell 4, and the bottom end of the sampling cylinder 2 is flush with the upper surface of the bottom plate 1; when sampling soil, starting the motor 3 with double output shafts, and gradually puncturing the soil by the sampling cylinder 2 while rotating to sample the soil; when the sampling depth is reached, controlling a motor 3 with double output shafts to rotate reversely, and lifting the sampling cylinder 2 while rotating until the sampling cylinder returns to the original position to finish soil sampling; when the sampling tube 2 needs to be detached, a worker presses the two buckles 16 on the outer surface of the transmission sleeve 14 simultaneously with one hand through the through hole 19 on the outer surface of the protective shell 4, and holds the sampling tube 2 with the other hand; at the moment, the two buckles 16 rotate and are not clamped with the annular clamping blocks 15 on the outer surface of the sampling tube 2, the sampling tube 2 automatically falls off under the action of gravity, and the sampling tube 2 can be taken out by the other hand and the internal soil is analyzed.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. The utility model provides a soil sampler, includes bottom plate (1), sampler barrel (2) and dual output shaft motor (3), its characterized in that: the upper surface of the bottom plate (1) is provided with a protective shell (4) with a hollow interior; two screw rods (5) are symmetrically arranged between the protective shell (4) and the bottom plate (1); the two screw rods (5) are provided with a first supporting plate (6) for fixing the double-output-shaft motor (3) in a penetrating way; two ends of an output shaft of the double-output-shaft motor (3) are respectively connected with a sampling cylinder (2) and a driving gear (7);

the sampling cylinder (2) penetrates through the bottom plate (1), and one end of the sampling cylinder is detachably connected with an output shaft of the motor (3) with double output shafts; the driving gear (7) is positioned above the first supporting plate (6), and is in power connection with a driven outer gear ring (8) which is used for driving the first supporting plate (6) to move along the axial direction of the screw rod (5); the driven outer gear ring (8) is provided with two pieces; the two driven outer gear rings (8) are respectively sleeved on the two screw rods (5) and are in threaded connection with the screw rods (5); and the driven outer gear rings (8) are rotatably arranged on the first supporting plate (6).

2. A soil sampler according to claim 1 wherein: a planetary gear mechanism is meshed between the driving gear (7) and the driven outer gear ring (8); the planetary gear mechanism comprises a plurality of planet gears (9) and a double-faced gear ring (10); the planetary gears (9) are rotatably arranged on the first supporting plate (6) and are simultaneously meshed with the driving gear (7); the inner side of the double-sided gear ring (10) is simultaneously meshed with the planet gear (9); a transmission gear (11) for transmitting power is arranged between the driven outer gear ring (8) and the double-faced gear ring (10); the transmission gears (11) are rotatably arranged on the surface of the first supporting plate (6).

3. A soil sampler as claimed in claim 2, wherein: the upper surface of the first supporting plate (6) is detachably connected with a sealing cover (12) through a bolt.

4. A soil sampler according to claim 3 wherein: a second support plate (13) is arranged on the two screw rods (5) in a penetrating manner; the second supporting plate (13) is arranged between the double-output-shaft motor (3) and the bottom plate (1) and is fixedly connected with the double-output-shaft motor (3); a transmission sleeve (14) is rotatably arranged on the lower surface of the second supporting plate (13); the transmission sleeve (14) is arranged between the double-output-shaft motor (3) and the sampling cylinder (2) and is respectively connected with the output shaft of the double-output-shaft motor (3) and the sampling cylinder (2) through splines; an annular clamping block (15) is arranged on the outer surface of the sampling tube (2); the surface of the transmission sleeve (14) is rotatably provided with a plurality of buckles (16) which are matched with the annular clamping blocks (15).

5. A soil sampler according to claim 1 wherein: the outer surface of the protection shell (4) is symmetrically provided with through holes (19) convenient for dismounting the sampling cylinder (2).

6. A soil sampler according to claim 5 wherein: the outer surface of the protective shell (4) is provided with a graduated scale (18), and the graduated scale (18) is located on one side of the through hole (19).

7. A soil sampler according to claim 1 wherein: a plurality of grooves (17) are formed in the end face, far away from the double-output shaft motor (3), of the sampling cylinder (2).