CN209961511U

CN209961511U - Soil sampling device for geological exploration

Info

Publication number: CN209961511U
Application number: CN201920282819.XU
Authority: CN
Inventors: 葛胜伟; 向科俊; 高莎; 张微; 贺亮亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-06
Filing date: 2019-03-06
Publication date: 2020-01-17
Anticipated expiration: 2029-03-06

Abstract

The utility model relates to a geological exploration equipment technical field just discloses a soil sampling device for geological exploration, including handheld portion, ground, one side at handheld portion top is equipped with pneumatic conveyor, and the middle part fixed mounting on handheld portion top has driving motor, the middle part fixed mounting of handheld portion bottom has the shaft coupling, fixed cover is equipped with the pivot that is located the inside of shaft coupling on driving motor's the output shaft, the middle part of pivot inner chamber is equipped with the gas-supply pipe. This soil sampling device for geological exploration, through the mount, the stability when telescopic link and support improve sampling device sample, utilize the first spring on the telescopic link, when starting driving motor and driving the drilling rod and bore into the ground, reduce sampling device's vibrations, stability when improving sampling device operation, and when the drilling rod bores into ground and meets hard object, can play certain absorbing effect of buffering to sampling device's life has been improved.

Description

Soil sampling device for geological exploration

Technical Field

The utility model relates to a geological exploration equipment technical field specifically is a soil sampling device for geological exploration.

Background

The soil sampler is a tool for acquiring a soil sample, and commonly used soil drills, shovels and shovels are provided, wherein each soil drill consists of a drill bit made of hard materials (steel or hard plastics) and a handle, each drill bit is usually spiral or cylindrical, the top end of each spiral drill bit is a pair of sharp knife edges which can be rotatably cut into soil, an expanded soil containing cavity is formed next to the knife edges, and the soil samples to be collected can be guided into the cavities to be collected by downwards drilling into the soil surface along with the rotation of the handle.

However, current soil sampling device is when taking a sample, and the soil sample of a degree of depth can only be gathered usually to the drilling, can't acquire the soil sample of the different degree of depth simultaneously, and current soil sampling device that can acquire the soil sample of the different degree of depth simultaneously, causes the soil sample cross contamination of the different degree of depth easily in the sampling process to the accuracy of different degree of depth soil sample detection has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a soil sampling device is used in geological exploration possesses the advantage that improves work efficiency, avoid soil cross contamination, solved current soil sampling device when taking a sample, the soil sample of a degree of depth can only be gathered usually in a probing, can't acquire the soil sample of the different degree of depth simultaneously, and current can acquire the soil sampling device of the different degree of depth soil sample simultaneously, cause the soil sample cross contamination of the different degree of depth easily at the sampling in-process, thereby the problem to different degree of depth soil sample detection accuracy has been reduced.

The utility model provides a following technical scheme: a soil sampling device for geological exploration comprises a handheld part and a ground, wherein one side of the top of the handheld part is provided with a pneumatic conveying device, the middle of the top of the handheld part is fixedly provided with a driving motor, the middle of the bottom of the handheld part is fixedly provided with a shaft coupling, an output shaft of the driving motor is fixedly sleeved with a rotating shaft positioned in the shaft coupling, the middle of an inner cavity of the rotating shaft is provided with a gas pipe, the bottom of the rotating shaft is fixedly sleeved with a drill rod, the drill rod is movably sleeved with a sleeve, the side surface of the sleeve is fixedly connected with a fixing frame, one side of the bottom of the fixing frame is fixedly connected with a telescopic rod, the top of the telescopic rod is movably sleeved with a first spring, the bottom of the telescopic rod is fixedly connected with a support, the inner wall of the drill rod is provided with a sampling groove, the middle of the, and one end of the sampling block is fixedly connected with a connecting plate positioned in the drill rod, and the middle part of the inner cavity of the drill rod is provided with an air bag.

Preferably, the annular array has skewed tooth on the inner wall of sample piece, the sample piece comprises a cylinder that the diameter value is great and a diameter value is less and by the cylinder of chamfer cutting, and the inside of sample piece is cavity.

Preferably, one end of the gas pipe is fixedly sleeved with the gas outlet of the pneumatic conveying device, and the other end of the gas pipe is fixedly sleeved with the air bag.

Preferably, the top of the first spring is fixedly connected with the bottom of the fixing frame, and the bottom of the first spring is fixedly connected with the top of the section with the larger diameter value of the telescopic rod.

Preferably, one end of the second spring is fixedly connected with the bottom of the section with the larger diameter value of the sampling block, and the other end of the second spring is fixedly connected with the inner wall of the drill rod.

Preferably, the number of the connecting plates is two, an air bag is arranged between the two connecting plates, and the two connecting plates are movably sleeved in the drill rod.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this soil sampling device for geological exploration, it drills into ground to drive the drilling rod through driving motor, set for the degree of depth of drilling into according to the needs of surveying after, start pneumatic conveyor, carry compressed air to the gasbag in through the gas-supply pipe, gasbag inflation extrusion connecting plate, make the sample block hit out from the sample groove, and cooperate the skewed tooth on the inner wall of sample block, be convenient for obtain the sample from soil, utilize the multiunit and set up the sample block at co-altitude, can acquire the soil sample of the different degree of depth according to above-mentioned flow at a probing process, thereby soil sampling device's work efficiency has been improved, after the sample, the air in the discharge gasbag, the second spring drives the sample block withdrawal sample groove, avoid different degree of depth soil sample cross contamination, the accuracy of different degree of depth soil sample detection data has been improved.

2. This soil sampling device for geological exploration, through the mount, the stability when telescopic link and support improve sampling device sample, utilize the first spring on the telescopic link, when starting driving motor and driving the drilling rod and bore into the ground, reduce sampling device's vibrations, stability when improving sampling device operation, and when the drilling rod bores into ground and meets hard object, can play certain absorbing effect of buffering to sampling device's life has been improved.

Drawings

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

FIG. 2 is a schematic view of a second spring of the present invention;

fig. 3 is a schematic view of the helical teeth of the present invention.

In the figure: 1. a hand-held portion; 2. a ground surface; 3. a pneumatic conveying device; 4. a drive motor; 5. a coupling; 6. A rotating shaft; 7. a gas delivery pipe; 8. a drill stem; 9. a sleeve; 10. a fixed mount; 11. a telescopic rod; 12. a first spring; 13. a support; 14. a sampling groove; 15. sampling blocks; 151. helical teeth; 16. a second spring; 17. a connecting plate; 18. an air bag.

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. 1-3, a soil sampling device for geological exploration comprises a handheld portion 1 and a ground 2, wherein a pneumatic conveying device 3 is arranged on one side of the top of the handheld portion 1, a driving motor 4 is fixedly arranged in the middle of the top of the handheld portion 1, a coupler 5 is fixedly arranged in the middle of the bottom of the handheld portion 1, a rotating shaft 6 located inside the coupler 5 is fixedly sleeved on an output shaft of the driving motor 4, a gas pipe 7 is arranged in the middle of an inner cavity of the rotating shaft 6, one end of the gas pipe 7 is fixedly sleeved with a gas outlet of the pneumatic conveying device 3, the other end of the gas pipe 7 is fixedly sleeved with a gas bag 18, a drill rod 8 is fixedly sleeved at the bottom of the rotating shaft 6, a sleeve 9 is movably sleeved on the drill rod 8, a fixing frame 10 is fixedly connected to the side surface of the sleeve 9, a telescopic rod 11 is fixedly connected to, the top of the first spring 12 is fixedly connected with the bottom of the fixed frame 10, and the bottom of the first spring 12 is fixedly connected with the top of the section with the larger diameter value of the telescopic rod 11, the cooperation of the telescopic rod 11 and the first spring 12 is utilized to improve the stability of the sampling device in the operation process, and when the drill rod 8 meets a hard object in the drilling process, a certain buffering and damping effect is provided for the sampling device to avoid the damage of the sampling device, thereby the service life of the sampling device is prolonged, the bottom of the telescopic rod 11 is fixedly connected with the support 13, the inner wall of the drill rod 8 is provided with the sampling groove 14, the middle part of the sampling groove 14 is movably sleeved with the sampling block 15, the annular array on the inner wall of the sampling block 15 is provided with the inclined teeth 151, the sampling block 15 is composed of a cylinder with the larger diameter value and a cylinder with the smaller diameter value and is obliquely cut, the inside of the sampling block 15 is hollow, and the inclined teeth 151 of the annular array on, the soil is convenient to enter the sampling block 15, the soil sample after entering is prevented from falling out of the sampling block 15, one end of the sampling block 15 is movably sleeved with a second spring 16, one end of the second spring 16 is fixedly connected with the bottom of a section with a larger diameter value of the sampling block 15, the other end of the second spring 16 is fixedly connected with the inner wall of the drill rod 8, after the sampling block 15 is knocked out from the sampling groove 14 to obtain the soil sample, compressed air in an air bag 18 is discharged, the sampling block 15 is driven to reset and contract into the sampling groove 14 through the matching of the second spring 16, so that the cross contamination of the soil at different depths is avoided, the drill rod 8 is convenient to return to the ground 2, one end of the sampling block 15 is fixedly connected with connecting plates 17 positioned inside the drill rod 8, the number of the connecting plates 17 is two, the air bag 18 is arranged between the two connecting plates 17, and the two connecting plates 17 are movably sleeved inside the drill rod 8, the middle part of the inner cavity of the drill rod 8 is provided with an air bag 18.

The working principle is as follows: firstly, fixing a fixing frame 10 on the ground 2, supporting a sampling device by using a support 13 at the bottom of the fixing frame 10, then setting the depth to be drilled, starting a driving motor 4 to drive a rotating shaft 6 to rotate, driving a drill rod 8 to rotate by the rotating shaft 6, drilling the drill rod 8 to the corresponding depth of the ground 2 according to the set drilling depth, reducing the vibration generated in the operation process of the sampling device and improving the operation stability of the sampling device by using the cooperation of an expansion rod 11 at the bottom of the fixing frame 10 and a first spring 12 in the operation process of the sampling device, finally, starting a pneumatic conveying device 3, conveying compressed air into an air bag 18 through an air pipe 7, expanding the air bag 18 to extrude a connecting plate 17, so that the sampling block 15 is knocked out from a sampling groove 14, and soil is kept in the sampling block 15 by matching with inclined teeth 151 on the inner wall of the sampling block 15, and using a plurality of groups of sampling blocks 15 arranged at different heights, and (4) obtaining soil samples of different depths in one drilling process according to the flow.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Various filling approaches are used herein for convenience in describing the invention only and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention, and furthermore, the terms "comprise," "include," or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 for geological exploration, includes handheld portion (1), ground (2), its characterized in that: one side of the top of the handheld part (1) is provided with a pneumatic conveying device (3), the middle of the top of the handheld part (1) is fixedly provided with a driving motor (4), the middle of the bottom of the handheld part (1) is fixedly provided with a coupler (5), an output shaft of the driving motor (4) is fixedly sleeved with a rotating shaft (6) positioned inside the coupler (5), the middle of an inner cavity of the rotating shaft (6) is provided with a gas pipe (7), the bottom of the rotating shaft (6) is fixedly sleeved with a drill rod (8), the drill rod (8) is movably sleeved with a sleeve (9), the side of the sleeve (9) is fixedly connected with a fixing frame (10), one side of the bottom of the fixing frame (10) is fixedly connected with a telescopic rod (11), the top of the telescopic rod (11) is movably sleeved with a first spring (12), and the bottom of the telescopic rod (11), sample groove (14) have been seted up on the inner wall of drilling rod (8), the middle part movable sleeve of sample groove (14) is equipped with sampling block (15), the one end movable sleeve of sampling block (15) is equipped with second spring (16), and the one end fixedly connected with of sampling block (15) is located drilling rod (8) inside connecting plate (17), the middle part of drilling rod (8) inner chamber is equipped with gasbag (18).

2. A soil sampling device for geological exploration, as defined by claim 1, wherein: annular array has skewed tooth (151) on the inner wall of sample piece (15), sample piece (15) are by the great cylinder of a diameter value and a diameter value less and by the cylinder constitution of chamfer cutting, and the inside of sample piece (15) is cavity.

3. A soil sampling device for geological exploration, as defined by claim 1, wherein: one end of the gas pipe (7) is fixedly sleeved with the gas outlet of the pneumatic conveying device (3), and the other end of the gas pipe (7) is fixedly sleeved with the air bag (18).

4. A soil sampling device for geological exploration, as defined by claim 1, wherein: the top of the first spring (12) is fixedly connected with the bottom of the fixing frame (10), and the bottom of the first spring (12) is fixedly connected with the top of the section with the larger diameter value of the telescopic rod (11).

5. A soil sampling device for geological exploration, as defined by claim 1, wherein: one end of the second spring (16) is fixedly connected with the bottom of the section with the larger diameter value of the sampling block (15), and the other end of the second spring (16) is fixedly connected with the inner wall of the drill rod (8).

6. A soil sampling device for geological exploration, as defined by claim 1, wherein: the number of the connecting plates (17) is two, an air bag (18) is arranged between the two connecting plates (17), and the two connecting plates (17) are movably sleeved inside the drill rod (8).