CN210533765U

CN210533765U - Soil sampler

Info

Publication number: CN210533765U
Application number: CN201921503292.5U
Authority: CN
Inventors: 刘加刚; 方海华; 马立芹
Original assignee: Beijing Huahao Water Conservancy And Hydropower Engineering Co Ltd
Current assignee: Beijing Huahao Water Conservancy And Hydropower Engineering Co Ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-05-15
Anticipated expiration: 2029-09-10

Abstract

The utility model relates to a soil sampler, the electric iron comprises a handle, the sampling rod of rigid coupling at the handle middle part, wherein the sampling rod axis is perpendicular with the handle axis, still include the drill bit that handle one end was kept away from at the sampling rod to the rigid coupling, threaded connection is the atress board on the sampling rod, run through the drill bit and keep away from the one end of sampling rod and seted up a mounting hole, the mounting hole runs through to handle department, install a step shaft in the mounting hole, the step shaft includes the staff of staff and rigid coupling in staff towards drill bit one end, the rigid coupling has helical blade on the staff, be provided with a joint subassembly on the staff, set up in the mounting hole with the spacing hole of joint subassembly cooperation in order to realize step shaft and sampling rod rigid coupling, set up in the mounting hole and rotate the spacing groove of being connected with realization step shaft and sampling. The utility model discloses have can be very laborsaving just inject the sampler in soil to very light just can take out sample soil from the sample connection, saved strength, improved work efficiency's effect.

Description

Soil sampler

Technical Field

The utility model relates to a soil sampling instrument especially relates to a soil sampler.

Background

Soil sampler refers to a tool for taking a soil sample. The soil sampling full-layer, equivalent and convenient requirements can be really met, and the difficult problem of accurately collecting soil samples which is difficult to realize is solved for soil fertilizer work such as soil testing formula fertilization and soil monitoring. What generally adopt is T type sampler, it includes handle and rigid coupling at the thief rod of handle middle part, and handle and thief rod axis are perpendicular, keep away from one side of handle at the thief rod and seted up the sample connection, during the use, the one end of seting up the sample connection with the sampler is heavy directly downwards, and the handle back and forth rotation is being held to both hands, pushes down simultaneously, upwards provides the sampler after reaching the degree of depth that needs the sample, then uses to glue the hammer and do up to hit the sample connection and take out appearance soil.

When the sampler is used for sampling, a worker needs to expend great effort to press down the sampler, and the sampler is very laborious. If soil excessively glues when taking out sample soil from the sample connection equally, can glue in the sample connection, need dig out soil a bit with the help of the instrument, it is very troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a soil sampler can be very laborsaving just inject the sampler in soil to very light just can take out sample soil from the sample connection, saved strength, improved work efficiency.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a soil sampler, which comprises a handle, the rigid coupling is at the thief rod at handle middle part, wherein thief rod axis and handle axis are perpendicular, still include the rigid coupling and keep away from the drill bit of handle one end at the thief rod, threaded connection is the atress board on the thief rod, the one end of keeping away from the thief rod through the drill bit has seted up a mounting hole, the mounting hole runs through to handle department, install a step shaft in the mounting hole, the step shaft includes the staff of staff and rigid coupling in staff towards drill bit one end, the rigid coupling has helical blade on the staff, be provided with a joint subassembly on the staff, set up in the mounting hole with the spacing hole of joint subassembly cooperation in order to realize staff and thief rod rigid coupling, set up in the mounting hole with the spacing groove of joint subassembly cooperation in order to realize that step shaft and thief.

Through above-mentioned technical scheme, during the use, at first make joint subassembly and spacing hole cooperation, then place the atress board subaerial, the thief rod runs through the atress board, and the staff just can be the thief rod screw in underground through twist grip, and the thief rod drives simultaneously and rotates through joint subassembly and spacing hole complex step shaft, and when the thief rod screw in downwards, soil also is in through rotatory blade screw in mounting hole, accomplishes the sample to soil. After the sample finishes, the backward rotation thief rod so screw out the thief rod, then make joint subassembly and spacing groove cooperation, the thief rod is connected with the ladder axle rotation this moment, through rotatory ladder axle, and the soil that is located the mounting hole is screwed out along helical blade from the one end of mounting hole towards the drill bit, and very convenient just can take out sample soil.

The utility model discloses further set up to: the helical blade is abutted against the wall of the mounting hole.

Through above-mentioned technical scheme, when rotatory step shaft took out appearance soil, because helical blade and mounting hole pore wall butt, appearance soil in the mounting hole can all be through helical blade back-out, avoids remaining.

The utility model discloses further set up to: and a first handle is fixedly connected to one end of the large shaft, which is far away from the small shaft.

Through above-mentioned technical scheme, thereby make things convenient for the rotatory step shaft of staff to rotate out the appearance soil that is located the mounting hole.

The utility model discloses further set up to: the joint subassembly includes along the symmetry of staff axis circumference to set up a plurality of holes of placing on the staff periphery, sliding connection is the joint piece of rectangle in the cross-section of placing in the hole, the rigid coupling is placing the spring between hole blind end and the joint piece, be located staff axis department and rotate the auxiliary shaft of being connected and the stay cord of rigid coupling in joint piece towards spring one end with the staff, the stay cord other end runs through places hole blind end rigid coupling on the auxiliary shaft, spacing hole has been seted up a plurality ofly respectively with joint piece one-to-one, the spacing groove is seted up along the interior circumference of thief rod.

Through above-mentioned technical scheme, when the joint piece was located spacing hole department, under the spring action, the relative position of fixed step shaft and thief rod in the spacing hole of joint piece embedding made step shaft and thief rod rigid coupling. When the auxiliary shaft is rotated after sampling is completed, the auxiliary shaft winds the pull rope on the auxiliary shaft, meanwhile, the pull rope drives the clamping block to go deep into the placing hole, and the stepped shaft and the sampling rod are disengaged. Then to the relative position of spacing groove end removal step shaft in the mounting hole, when the joint piece removed the spacing groove position, under the spring action, the joint piece drove the stay cord and spin off from the auxiliary shaft, imbeds the spacing inslot simultaneously, restricts the axial displacement of living step shaft and thief rod, and the step shaft can only be rotary motion for the thief rod this moment, and both are in and rotate the connection status.

The utility model discloses further set up to: and a second handle is fixedly connected to one end of the auxiliary shaft, which faces the handle.

Through above-mentioned technical scheme, thereby the staff just can rotate the auxiliary shaft through rotatory second handle and twine the stay cord on the auxiliary shaft, operates simplyr.

The utility model discloses further set up to: and a storage groove is formed in the position, fixedly connected with the pull rope, of the auxiliary shaft.

Through above-mentioned technical scheme, when rotatory auxiliary shaft, the stay cord winding has been avoided the direct winding of stay cord to influence auxiliary shaft's normal rotation in accomodating the groove.

The utility model discloses further set up to: and the stress plate is in threaded connection with a bolt, and the bolt penetrates through the stress plate and is directly screwed into the ground.

Through above-mentioned technical scheme, can avoid when the rotatory thief rod goes into the underground and takes a sample deeply, the normal sample work that the atress board influences the thief rod along with the thief rod is rotatory.

The utility model discloses further set up to: the bolts are obliquely arranged and form a certain included angle with the vertical surface.

Through above-mentioned technical scheme, can increase the atress board and bear the axial force, avoid when screw in sample rod atress board drive bolt from ground breaking away from.

To sum up, the utility model discloses a beneficial technological effect does:

1. the sampler can be inserted into the soil in a labor-saving manner, and the sample soil can be taken out from the sampling port easily, so that the labor is saved, and the working efficiency is improved;

2. the arrangement of the clamping assembly, the limiting hole and the limiting groove enables the stepped shaft and the sampling rod to be fixedly connected and rotatably connected, so that the operation is more flexible;

3. the setting of bolt can avoid when the rotatory thief rod goes into the underground and takes a sample deeply, and the normal sample work that the atress board influences the thief rod along with the thief rod is rotatory.

Drawings

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

FIG. 2 is a schematic illustration of a snap-fit assembly;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

In the figure, 1, a handle; 2. a sampling rod; 21. a drill bit; 22. mounting holes; 221. a limiting hole; 222. a limiting groove; 3. a stress plate; 31. a bolt; 4. a stepped shaft; 41. a large shaft; 42. a small shaft; 421. a helical blade; 43. a clamping assembly; 431. placing holes; 432. a clamping block; 433. a spring; 434. an auxiliary shaft; 4341. a receiving groove; 435. pulling a rope; 436. a second handle; 44. a first handle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a soil sampler, including handle 1, rigid coupling at the thief rod 2 at handle 1 middle part, 2 axes of thief rod and 1 axes of handle are perpendicular and have a drill bit 21 at the one end rigid coupling that thief rod 2 kept away from handle 1, and it has the external screw thread to process on 2 outer circumferences of thief rod, and it has a atress board 3 to go back threaded connection simultaneously on thief rod 2. Run through drill bit 21 and keep away from the one end of thief rod 2 and seted up a mounting hole 22, mounting hole 22 runs through to handle 1 department, install a step shaft 4 in mounting hole 22 simultaneously, step shaft 4 includes macroaxis 41 and the staff 42 of rigid coupling in macroaxis 41 one end, macroaxis 41 footpath is unanimous with mounting hole 22, staff 42 is located mounting hole 22 and the rigid coupling has helical blade 421, helical blade 421 and mounting hole 22 pore wall butt, wherein staff 42 is located the one end of macroaxis 41 towards drill bit 21. Meanwhile, the large shaft 41 is provided with a clamping assembly 43, a limiting hole 221 which is matched with the clamping assembly 43 to fixedly connect the stepped shaft 4 and the sampling rod 2 is formed in the mounting hole 22, and a limiting groove 222 which is matched with the clamping assembly 43 to rotatably connect the stepped shaft 4 and the sampling rod 2 is formed.

During the use, at first make joint subassembly 43 and spacing hole 221 cooperation, then place atress board 3 subaerial, thief rod 2 runs through atress board 3, the staff just can be 2 spiral screw in underground the thief rod through twist grip 1, thief rod 2 drives simultaneously and rotates through joint subassembly 43 and spacing hole 221 complex step shaft 4, when thief rod 2 is screwed in downwards, soil also through rotatory blade screw in mounting hole 22 in, the completion is to the sample of soil. The back that the sample finishes, thereby the backward rotation thief rod 2 back swing out thief rod 2, then make joint subassembly 43 and spacing groove 222 cooperation, thief rod 2 rotates with step shaft 4 this moment and is connected, through rotatory step shaft 4, is located the appearance soil in mounting hole 22 and revolves out along helical blade 421 from mounting hole 22 towards the one end of drill bit 21, and very convenient just can take out appearance soil.

Referring to fig. 2, a first handle 44 is fixed to an end of the large shaft 41 remote from the small shaft 42 in order to facilitate the worker to rotate the stepped shaft 4 to rotate the sample soil in the mounting hole 22.

Referring to fig. 2 and 3, the locking assembly 43 includes four placing holes 431 symmetrically formed on the outer circumferential surface of the large shaft 41 along the circumference of the axis of the large shaft 41, a locking block 432 having a rectangular cross section and slidably coupled to the placing holes 431, a spring 433 fixedly coupled between the closed end of the placing holes 431 and the locking block 432, an auxiliary shaft 434 rotatably coupled to the large shaft 41 at the axis of the large shaft 41, and a pulling rope 435 fixedly coupled to one end of the locking block 432 facing the spring 433, wherein the other end of the pulling rope 435 penetrates through the closed end of the placing holes 431 and is fixedly coupled to the auxiliary shaft 434. The four limiting holes 221 are respectively corresponding to the clamping blocks 432 one by one. The limiting groove 222 is opened along the inner circumferential surface of the sampling rod 2 and located at one side of the limiting hole 221 facing the drill 21. The end of the clamping block 432 away from the spring 433 is machined into a circular arc shape so as to be freely rotatable in the limiting groove 222. When the clamping block 432 is located at the position of the limit hole 221, under the action of the spring 433, the clamping block 432 is embedded into the limit hole 221 to fix the relative positions of the stepped shaft 4 and the sampling rod 2, so that the stepped shaft 4 is fixedly connected with the sampling rod 2. When the auxiliary shaft 434 is rotated after sampling is completed, the auxiliary shaft 434 winds the pulling rope 435 on the auxiliary shaft 434, meanwhile, the pulling rope 435 drives the clamping block 432 to penetrate into the placing hole 431, and the stepped shaft 4 is disengaged from the sampling rod 2. Then move the relative position of step shaft 4 in mounting hole 22 to spacing groove 222 end, when joint piece 432 moved spacing groove 222 position, under the effect of spring 433, joint piece 432 drove stay cord 435 and spins off from auxiliary shaft 434, imbeds simultaneously in spacing groove 222, restricts the axial displacement of step shaft 4 and thief rod 2, and step shaft 4 can only be rotary motion for thief rod 2 this moment, and both are in and rotate the connected state.

Referring to fig. 2 and 3, in order to facilitate the worker to rotate the auxiliary shaft 434 to wind the pulling rope 435 around the auxiliary shaft 434, a second handle 436 is fixedly connected to one end of the auxiliary shaft 434 away from the small shaft 42, and the worker can rotate the auxiliary shaft 434 by rotating the second handle 436, which is simpler to operate.

Meanwhile, a storage groove 4341 is formed in the auxiliary shaft 434 at a position fixedly connected with the pull rope 435, and when the auxiliary shaft 434 is rotated, the pull rope 435 is wound in the storage groove 4341, so that the pull rope 435 is prevented from being directly wound on the auxiliary shaft 434 to influence the normal rotation of the auxiliary shaft 434.

Referring to fig. 1, in order to avoid that when the rotary sampling rod 2 goes deep into the ground to take a sample, the stress plate 3 rotates along with the sampling rod 2 so as to influence the normal sampling work of the sampling rod 2, a bolt 31 is connected to the stress plate 3 through a thread, and the bolt 31 penetrates through the stress plate 3 and is directly screwed into the ground to fix the relative position of the ground and the stress plate 3. Simultaneously in order to make the better axial force that bears of atress board 3, avoid when screw in sample rod 2 3 atress of atress board to drive bolt 31 and break away from ground, bolt 31 slope sets up, personally submits certain contained angle with vertical.

The implementation principle of the embodiment is as follows: during the use, at first fix stress plate 3 subaerial at needs sample through bolt 31, then make joint piece 432 and spacing hole 221 cooperation, 2 spirals of operation thief rod run through stress plate 3, the staff just can be 2 spiral screw in underground the thief rod through twist grip 1, thief rod 2 drives the step shaft 4 simultaneously rotatory, when thief rod 2 screwed in downwards, soil also passes through helical blade 421 screw in mounting hole 22 in, the completion is to the sample of soil. After the sampling is finished, the sampling rod 2 is rotated reversely, so that the sampling rod 2 is screwed out, then the second handle 436 is rotated, the second handle 436 drives the auxiliary shaft 434 to rotate, so that the pull rope 435 is wound in the accommodating groove 4341, and the clamping block 432 is moved out of the limiting hole 221 and retracted into the accommodating hole 431. Then, the stepped shaft 4 is moved towards the direction of the limiting groove 222, when the position of the limiting groove 222 is reached, the clamping block 432 drives the pulling rope 435 to be screwed off from the auxiliary shaft 434 under the action of the spring 433, and meanwhile, the pulling rope is embedded into the limiting groove 222 to limit the axial movement of the stepped shaft 4 and the sampling rod 2, the clamping block 432 can rotate in the limiting groove 222, and at the moment, the sampling rod 2 and the stepped shaft 4 are in a rotating connection state. Then the first handle 44 is rotated, the first handle 44 drives the helical blade 421 fixed on the stepped shaft 4 to rotate, the soil in the mounting hole 22 is screwed out from the mounting hole 22 to one end of the drill bit 21 along the helical blade 421, and the sample soil can be taken out very conveniently. The sampler can be inserted into soil in a labor-saving manner, and the sample soil can be easily taken out from the sampling port, so that the labor is saved, and the working efficiency is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a soil sampler, includes handle (1), rigid coupling sampling rod (2) at handle (1) middle part, and wherein sampling rod (2) axis and handle (1) axis are perpendicular, its characterized in that: the sampling device also comprises a drill bit (21) fixedly connected with one end of the sampling rod (2) far away from the handle (1), and a stress plate (3) in threaded connection with the sampling rod (2), wherein one end penetrating through the drill bit (21) far away from the sampling rod (2) is provided with a mounting hole (22), the mounting hole (22) penetrates through the handle (1), a stepped shaft (4) is installed in the mounting hole (22), the stepped shaft (4) comprises a large shaft (41) and a small shaft (42) fixedly connected with one end of the large shaft (41) facing the drill bit (21), the small shaft (42) is fixedly connected with a helical blade (421), the large shaft (41) is provided with a clamping component (43), the mounting hole (22) is internally provided with a limiting hole (221) matched with the clamping component (43) to realize the fixed connection of the stepped shaft (4) and the sampling rod (2), a limiting groove (222) matched with the clamping component (43) to realize the rotary connection of the stepped shaft (4) and the sampling rod (2) is formed in the mounting hole (22).

2. A soil sampler according to claim 1, wherein: the spiral blade (421) is abutted against the wall of the mounting hole (22).

3. A soil sampler according to claim 1, wherein: one end of the large shaft (41) far away from the small shaft (42) is fixedly connected with a first handle (44).

4. A soil sampler according to claim 1, wherein: the clamping assembly (43) comprises a plurality of placing holes (431) symmetrically formed in the outer circumferential surface of a large shaft (41) along the circumference of the axis of the large shaft (41), clamping blocks (432) slidably connected in the placing holes (431), springs (433) fixedly connected between the closed ends of the placing holes (431) and the clamping blocks (432), auxiliary shafts (434) located at the axis of the large shaft (41) and rotatably connected with the large shaft (41) and pull ropes (435) fixedly connected to one ends of the clamping blocks (432) facing the springs (433), the other ends of the pull ropes (435) penetrate through the placing holes (431), the closed ends of the auxiliary shafts (434), a plurality of limiting holes (221) are formed and correspond to the clamping blocks (432) one to one, and limiting grooves (222) are formed in the inner circumferential surface of a sampling rod (2).

5. A soil sampler according to claim 4, wherein: and a second handle (436) is fixedly connected to one end of the auxiliary shaft (434) facing the handle (1).

6. A soil sampler according to claim 4, wherein: the auxiliary shaft (434) is fixedly connected with the pull rope (435) and is provided with a containing groove (4341).

7. A soil sampler according to claim 1, wherein: the stress plate (3) is connected with a bolt (31) through threads, and the bolt (31) penetrates through the stress plate (3) and is directly screwed into the ground.

8. A soil sampler according to claim 7, wherein: the bolt (31) is obliquely arranged and forms a certain included angle with the vertical surface.