CN211179059U

CN211179059U - Soil sampling and screening system

Info

Publication number: CN211179059U
Application number: CN201922118354.7U
Authority: CN
Inventors: 王婷
Original assignee: Jinan Ecological Environment Monitoring Center Of Shandong Province
Current assignee: Jinan Ecological Environment Monitoring Center Of Shandong Province
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-08-04
Anticipated expiration: 2029-11-29

Abstract

A soil sampling and screening system comprises a bracket, a lifting cylinder and a screening cylinder; the lifting cylinder and the screening cylinder are fixedly connected to the lower end of the support, a material conveying pipe is connected between the lifting cylinder and the screening cylinder at the upper part of the lifting cylinder and the screening cylinder, a drill rod and a screening shaft are respectively arranged in the lifting cylinder and the screening cylinder, the drill rod and the screening shaft are both arranged on the support, a transmission device is connected between the drill rod and the screening shaft, and the drill rod is connected with a driving device; the bottom of the drill rod is provided with a drill bit, and a helical blade is arranged on the drill rod above the drill bit; the screening shaft is provided with at least one mesh screen, and the side wall of the screening cylinder is provided with an outlet corresponding to each mesh screen. The drilling rod drills into soil and is upwards promoted by helical blade and gets into in the screening section of thick bamboo, and the epaxial mesh screen of screening rotates and sieves the material of equidimension not in the soil. This system sampling efficiency is high, both can bore dark sample, but the top layer sample again sieves when realizing soil collection, can carry out the breakage to bold soil, gets rid of the large granule impurity in the soil, can take a sample respectively to the soil of different particle sizes, and the sample is accurate.

Description

Soil sampling and screening system

Technical Field

The utility model relates to a device for being directed at soil takes a sample belongs to soil sampling technical field.

Background

The composition ratio in the soil is complex (including organic matters (generated by mineral substances, animals and plants and microbial residue decay), soil organisms (solid-phase substances), water, air, humus and the like), and the composition in the soil becomes more complex and polluted due to the reasons of industrialization process, mineral resource exploitation and smelting discharge thereof, long-term sewage irrigation and sludge application to the soil, atmospheric sedimentation caused by artificial activities, application of fertilizers and pesticides and the like. It is necessary to take samples of soil and monitor them for remedial action.

However, the current soil sampling device can only drill soil, cannot screen out large-particle impurities in the soil, and particularly cannot sample the soil in a dry exposed riverbed and screen out particle materials to obtain accurate soil sampling.

SUMMERY OF THE UTILITY MODEL

To the condition that current soil sampling technique exists, the utility model provides a can enough bore and get soil, can sieve again, take a sample accurate soil sampling screening system.

The utility model discloses a soil sampling screening system adopts following technical scheme:

the system comprises a bracket, a lifting cylinder and a screening cylinder; the lifting cylinder and the screening cylinder are fixedly connected to the lower end of the support, a material conveying pipe is connected between the lifting cylinder and the screening cylinder at the upper part of the lifting cylinder and the screening cylinder, a drill rod and a screening shaft are respectively arranged in the lifting cylinder and the screening cylinder, the drill rod and the screening shaft are both arranged on the support, a transmission device is connected between the drill rod and the screening shaft, and the drill rod is connected with a driving device; the bottom of the drill rod is provided with a drill bit, and a helical blade is arranged on the drill rod above the drill bit; the screening epaxial at least sets up a mesh screen, corresponds every mesh screen on the lateral wall of screening section of thick bamboo and sets up an export, and the bottom of screening section of thick bamboo is provided with the sample material mouth.

The support is provided with a connecting seat used for being connected with the lifting arm.

The conveying pipe is inclined downwards at one side of the screening cylinder.

The mesh screen is in a conical shape,

the lifting cylinder consists of an upper cylinder, a telescopic cylinder and a lower cylinder which are sequentially connected from top to bottom, the upper cylinder is fixedly connected to the bracket, and the middle telescopic cylinder can enable the whole lifting cylinder to be telescopic, so that the drilling of a drill rod is not influenced; a guide rod is arranged between the upper barrel and the lower barrel to ensure that the middle telescopic barrel cannot deflect when being stretched.

And a transmission device connected between the drill rod and the screening shaft is in belt transmission.

The driving device can adopt an electric motor or a hydraulic motor.

When in use, the soil sampling and screening system is connected to a lifting arm on a motor vehicle. And starting the driving device, and rotating the drill rod and the screening shaft. The lift arm drives whole device and moves down, and the drill bit of drilling rod bottom drills into soil, and soil rises along the drill bit to in upwards promoting the entering screening section of thick bamboo by helical blade, rotate by the epaxial mesh screen of screening, with the not material screening of equidimension in the soil, connect by the manual work and get.

The utility model discloses the sample is efficient, both can bore dark sample, but the top layer sample again, and application scope is wide. The soil is collected and screened simultaneously, so that large soil can be crushed, large particle impurities in the soil are removed, the screening of the soil with different particle sizes is realized, the soil with different particle sizes can be respectively sampled, the operation is convenient, and the sampling is accurate; adopt the rotating screen to be the rotation state, can make the material of large granule in the soil roll towards the mesh screen edge under the effect of centrifugal force and fall, be convenient for collect.

Drawings

Figure 1 is the utility model discloses soil sampling screening system's schematic structure diagram.

Figure 2 is the utility model discloses soil sampling screening system's user state schematic diagram.

In the figure: 1. the soil sampling and screening device comprises a motor, a driving wheel, a mounting frame, a drill rod, an upper barrel, a telescopic barrel, a helical blade, a drill bit part, a lower barrel, a driven wheel, a screening shaft, a coarse screen, a coarse material outlet, a blanking pipe, a middle screen, a middle material outlet, a fine screen, a bottom frame, a fine material outlet, a sampling material port, a belt, a conveying pipe, a connecting seat, a screening barrel, a guide rod, a soil sampling and screening system and a lifting arm, wherein the driving wheel is 2, the mounting frame is 3, the drill rod is 4, the upper barrel is 5, the telescopic barrel is 6, the helical blade is 7.

Detailed Description

As shown in FIG. 1, the soil sampling and screening system of the present invention comprises a frame 3, a lifting cylinder, a drill rod 4 and a screening cylinder 24. The upper part of the bracket 3 is provided with a connecting socket 23 for connection with a lifting arm 25 on the motor vehicle. The lifting cylinder and the screening cylinder 24 are both fixedly connected at the lower end of the bracket 3, a material conveying pipe 22 is arranged at the upper part between the lifting cylinder and the screening cylinder, and the material conveying pipe 22 inclines downwards towards the screening cylinder 24. The drill rod 4 is installed on the support 3 through a bearing, the upper portion of the drill rod 4 is connected with the motor 1 (a hydraulic motor can also be adopted), the bottom end of the drill rod 4 is provided with a drill bit 8, and the drill rod above the drill bit 8 is provided with a helical blade 7 so as to lift and convey the earth surface or the drilled soil. The outside of the drill rod 4 is provided with a lifting cylinder which is fixedly connected on the bracket 3. The lifting cylinder consists of an upper cylinder 5, a telescopic cylinder 6 and a lower cylinder 9 which are sequentially connected from top to bottom, the upper cylinder 5 is fixedly connected to the support 3, the middle telescopic cylinder 6 can enable the whole lifting cylinder to be telescopic, and the drill rod 4 is not influenced during drilling; a guide rod 25 is arranged between the upper barrel 5 and the lower barrel 9 to ensure that the middle telescopic barrel 6 does not deflect when being stretched. Screening section of thick bamboo 24 fixed connection is on support 3, be provided with screening axle 11 in the screening section of thick bamboo 24, the upper and lower end of screening axle 11 is installed on the chassis 18 of support 3 and screening section of thick bamboo 24 bottom through the bearing respectively, the belt drive that the upper end of screening axle 11 is passed through action wheel 2, follower 10 and belt 21 and is constituteed is connected with drilling rod 4, install follower 10 on the screening axle 11, install action wheel 2 on the drilling rod 4, belt 21 is connected between action wheel 2 and follower 10. The screening shaft 11 is provided with a mesh screen, which is a coarse screen 12, a middle screen 15 and a fine screen 17 from top to bottom in sequence, the outer wall of the screening cylinder 24 is provided with a coarse material outlet 13, a middle material outlet 16 and a fine material outlet 19 corresponding to the coarse screen 12, the middle screen 15 and the fine screen 17 respectively, each outlet is provided with a blanking pipe 14, and the bottom of the screening cylinder 24 is provided with a sampling material port 20.

In use, as shown in figure 2, the soil sampling and screening system 26 is connected to the lifting arm 27 through the connecting base 23, and the lifting arm 27 is fixed to the motor vehicle, and for the prior art, a hydraulic lifting arm on an excavator or a crane, or various manipulators can be adopted. The entire apparatus is transported by motor vehicles to the sampling site.

The soil sampling and screening system 26 described above is sampled as follows.

The motor 1 is started, the drill rod 4 and the screening shaft 11 rotate. The lifting arm 27 drives the whole device to move downwards, and the drill bit 8 at the bottom end of the drill rod 4 drills into soil, and the drill bit does not influence the drilling because the lifting cylinder is telescopic. The soil rises along the drill bit 8 and is lifted upwards by the helical blades 7 and enters the screening cylinder 24 through the material passing hole 22. The coarse sieve 12, the middle sieve 15 and the fine sieve 17 on the sieving shaft 11 sieve the impurities with different particle sizes in sequence, and the impurities are discharged through the blanking pipe 14 of the corresponding outlet and are manually taken. The required sampling soil is taken by the sampling port 20.

When the drill bit 8 drills down vertically, deep layer sampling can be realized, and when the drill bit 8 advances horizontally in a shallow layer, surface layer sampling can be realized.

Claims

1. The utility model provides a soil sampling screening system which characterized by: comprises a bracket, a lifting cylinder and a screening cylinder; the lifting cylinder and the screening cylinder are fixedly connected to the lower end of the support, a material conveying pipe is connected between the lifting cylinder and the screening cylinder at the upper part of the lifting cylinder and the screening cylinder, a drill rod and a screening shaft are respectively arranged in the lifting cylinder and the screening cylinder, the drill rod and the screening shaft are both arranged on the support, a transmission device is connected between the drill rod and the screening shaft, and the drill rod is connected with a driving device; the bottom of the drill rod is provided with a drill bit, and a helical blade is arranged on the drill rod above the drill bit; the screening epaxial at least sets up a mesh screen, corresponds every mesh screen on the lateral wall of screening section of thick bamboo and sets up an export, and the bottom of screening section of thick bamboo is provided with the sample material mouth.

2. The soil sampling screening system of claim 1, wherein: the support is provided with a connecting seat used for being connected with the lifting arm.

3. The soil sampling screening system of claim 1, wherein: the conveying pipe is inclined downwards at one side of the screening cylinder.

4. The soil sampling screening system of claim 1, wherein: the mesh screen is conical.

5. The soil sampling screening system of claim 1, wherein: the lifting cylinder is composed of an upper cylinder, a telescopic cylinder and a lower cylinder which are sequentially connected from top to bottom, and the upper cylinder is fixedly connected to the support.

6. The soil sampling screening system of claim 5, wherein: a guide rod is arranged between the upper barrel and the lower barrel.

7. The soil sampling screening system of claim 1, wherein: and a transmission device connected between the drill rod and the screening shaft is in belt transmission.

8. The soil sampling screening system of claim 1, wherein: the driving device can adopt an electric motor or a hydraulic motor.