CN215640248U

CN215640248U - Soil sampling device for geological survey instrument

Info

Publication number: CN215640248U
Application number: CN202121583356.4U
Authority: CN
Inventors: 庞雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-01-25
Anticipated expiration: 2031-07-13

Abstract

The utility model discloses a soil sampling device for a geological survey instrument, which belongs to the technical field of geological survey equipment and comprises a rotary drum in driving connection with the outside, wherein a helical blade is arranged on the outside of the rotary drum, a sampling device in threaded connection with the inner wall of the bottom of the rotary drum is arranged inside the rotary drum, the sampling device comprises a drill bit, a sampling sleeve is arranged on the upper part of the outer side of the drill bit, a rotating shaft is arranged at the top end of the drill bit, the sampling sleeve is in threaded connection with the inner wall of the bottom of the rotary drum, the sampling sleeve is in sliding connection with the inner wall of the upper part of the rotary drum, a pushing device comprises a pushing plate, connecting rods distributed along the circumference are arranged at the top end of the pushing plate, the connecting rods penetrate through the top end of the sampling sleeve and are connected with a top plate, a sleeve sleeved on the outside of the rotating shaft is connected with the top of the top plate, rock stratum samples in the sampling sleeve are pushed out of the sampling sleeve through the pushing device, and the difficulty in taking out of the traditional sampling equipment is avoided, the dead condition of sample card takes place, has improved the practicality and the sampling efficiency of device.

Description

Soil sampling device for geological survey instrument

Technical Field

The utility model belongs to the technical field of geological survey equipment, and particularly relates to a soil sampling device for a geological survey instrument.

Background

The measures of soil retaining structure, underground water control, environment protection and the like required for ensuring the safety and stability of an underground space formed by downward excavation of the ground during the construction of the underground structure are called geological survey, the geological survey carries out investigation and detection on the geology by various means and methods, a proper bearing layer is determined, the foundation type is determined according to the foundation bearing capacity of the bearing layer, and the investigation and research activities of basic parameters are calculated. In the process of geological surveying, a geological surveying instrument is used for carrying out mass sampling work on relevant soil and soil layer structures.

The Chinese utility model with the patent application number of CN201810460022.4 discloses a soil sampling device, which comprises a sampling barrel, a transmission cavity, a telescopic rod, a sampling tube and a material stopping mechanism; the device is characterized in that the transmission cavity is fixedly arranged at the upper end of the annular fixed block, four groups of telescopic rods are arranged at the lower end of the annular fixed block, the movable ends of the telescopic rods are hinged with the annular fixed block, and the fixed ends of the telescopic rods are hinged with the fixed plate; the sampling barrel penetrates through the transmission cavity and is rotatably connected with the transmission cavity, a ring gear is fixedly mounted on the sampling barrel positioned on the inner side of the transmission cavity, and the ring gear is meshed with a driving gear fixedly mounted at the output end of the motor; the inner side of the sampling barrel is connected with a sampling tube in a sliding way; the sampling tube inboard is provided with the sample chamber, and the sample intracavity side is provided with stock stop, and stock stop includes sleeve, threaded rod, fan-shaped baffle, connecting rod and rotary joint.

Among above-mentioned soil sampling device, in-service use dies soil card inside the sampling bucket easily, causes the inside card of device to die, or can't take out the condition emergence of sample, influences the next use of device.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect of dead sampling in the prior art, the utility model provides the soil sampling device for the geological surveying instrument, which can take out a sample efficiently.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a soil sampling device for geological surveying instrument, including the rotary drum that is connected with external drive, be equipped with helical blade outside the rotary drum, be equipped with the sampling device with rotary drum bottom inner wall threaded connection in the rotary drum inside.

Preferably, the sampling device comprises a drill bit, a sampling sleeve is arranged on the upper portion of the outer side of the drill bit, a rotating shaft is arranged at the top end of the drill bit, the sampling sleeve is in threaded connection with the inner wall of the bottom of the rotating cylinder, and the sampling sleeve is in sliding connection with the inner wall of the upper portion of the rotating cylinder.

Preferably, a plurality of crushing ridges are uniformly arranged on the outer portion of the drill bit along the circumference.

Preferably, a pushing device is arranged outside the rotating shaft.

Preferably, the pushing device comprises a push plate, connecting rods distributed along the circumference are arranged at the top end of the push plate, the connecting rods penetrate through the top end of the sampling sleeve and are connected with the top plate, and the top of the top plate is connected with a sleeve connected to the outer portion of the rotating shaft in a connecting mode.

Preferably, a handle is arranged at the top of the sleeve. The sleeve is pressed down and pulled up through the handle.

Compared with the prior art, the utility model has the following beneficial effects: according to the rock stratum sample sampling device, the rock stratum sample in the sampling sleeve is pushed out of the sampling sleeve through the pushing device, so that the situation that the sample is difficult to take out and the sampling is blocked in the traditional sampling equipment is avoided, and the practicability and the sampling efficiency of the device are improved.

Drawings

The utility model is further described with reference to the following figures and detailed description.

FIG. 1 is a schematic diagram of a soil sampling device for a geological survey apparatus according to the present invention.

In the figure: 1. a rotating drum; 2. a helical blade; 3. a sampling device; 4. a drill bit; 5. breaking ridges; 6. a sampling sleeve; 7. a rotating shaft; 8. a pushing device; 9. pushing the plate; 10. a connecting rod; 11. a top plate; 12. a sleeve; 13. a handle.

Detailed Description

In order to make the technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following specific embodiments.

The utility model discloses a soil sampling device for a geological survey instrument, which comprises a rotary drum 1 in driving connection with the outside, wherein a helical blade 2 is arranged on the outside of the rotary drum 1, and a sampling device 3 in threaded connection with the inner wall of the bottom of the rotary drum 1 is arranged in the rotary drum 1, and the helical blade 2 is arranged on the outside of the rotary drum 1. The helical blade 2 can reduce the sampling resistance of the rotary drum 1 and improve the sampling efficiency. Sampling device 3 includes drill bit 4, the outside upper portion of drill bit 4 is provided with sample cover 6, the top of drill bit 4 is provided with pivot 7, sample cover 6 and 1 bottom inner wall threaded connection of rotary drum, sample cover 6 and 1 upper portion inner wall sliding connection of rotary drum.

A plurality of crushing ridges 5 are uniformly arranged on the outer portion of the drill bit 4 along the circumference, so that the sampling resistance is reduced, and the sampling efficiency is improved.

And a pushing device 8 is arranged outside the rotating shaft 7. The pushing device 8 comprises a pushing plate 9, connecting rods 10 distributed along the circumference are arranged at the top end of the pushing plate 9, the connecting rods 10 penetrate through the top end of the sampling sleeve 6 and are connected with a top plate 11, and a sleeve 12 connected to the outer portion of the rotating shaft 7 is connected to the top of the top plate 11 in a connecting mode. A handle 13 is arranged on the top of the sleeve 12, and the sleeve 12 is realized by the handle 13. The axial movement along the rotating shaft 7 is convenient for discharging in the sampling sleeve 6.

The driving motor system passes through gear engagement and acts on the drive rotary drum 1 and rotates, the user pushes down thrust unit 8 through handle 13, when rotary drum 1 is rotatory, with soil restriction in the sample cover 6 outsidely, when the rotary drum 1 bores to certain degree of depth, with thrust unit 8 pull-up, pivot 7 rotates, make sample cover 6 rotate and descend, sample cover 6 intussuseption is full of soil sample this moment, 7 antiport of pivot, release sample cover 6 with the inside rock stratum sample of sample cover 6 through thrust unit 8, it is difficult to take out to have avoided traditional sampling equipment sample, the dead condition of sample card takes place, the practicality and the sampling efficiency of device have been improved.

It should be understood that the detailed description and specific examples, while indicating the utility model, are given by way of illustration only, since various other embodiments will become apparent to those skilled in the art upon reference to the following detailed description.

Claims

1. A soil sampling device for geological surveying instruments, comprising a drum (1) connected with an external drive, characterized in that: the spiral blade (2) is arranged outside the rotary drum (1), and the sampling device (3) in threaded connection with the inner wall of the bottom of the rotary drum (1) is arranged inside the rotary drum (1).

2. A soil sampling device for a geological survey instrument as claimed in claim 1, wherein: sampling device (3) include drill bit (4), the outside upper portion of drill bit (4) is provided with sample cover (6), the top of drill bit (4) is provided with pivot (7), sample cover (6) and rotary drum (1) bottom inner wall threaded connection, sample cover (6) and rotary drum (1) upper portion inner wall sliding connection.

3. A soil sampling device for a geological survey instrument as claimed in claim 2, wherein: and crushing ridges (5) are uniformly arranged on the outer part of the drill bit (4) along the circumference.

4. A soil sampling device for a geological survey instrument as claimed in claim 2, wherein: and a pushing device (8) is arranged outside the rotating shaft (7).

5. A soil sampling device for a geological survey instrument as claimed in claim 4, wherein: thrust unit (8) are including push pedal (9), the top of push pedal (9) is provided with connecting rod (10) along the circumference distribution, connecting rod (10) run through the top of sample cover (6) and are connected with roof (11), roof (11) top adapter sleeve connects sleeve pipe (12) in pivot (7) outside.

6. A soil sampling device for a geological survey instrument as claimed in claim 5, wherein: a handle (13) is arranged at the top of the sleeve (12).