CN209961511U - A soil sampling device for geological exploration - Google Patents

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

A soil sampling device for geological exploration

technical field

The utility model relates to the technical field of geological exploration equipment, in particular to a soil sampling device for geological exploration.

Background technique

Soil sampler refers to a tool used to obtain soil samples. Commonly used are soil drills, shovels and shovels. Earth drills are composed of drill bits and handles made of hard materials (steel or hard plastic). The drill bits are often spiral or The top of the cylindrical and helical drill bit is a pair of sharp knife edges that can be rotated to cut into the soil, followed by an enlarged soil holding cavity. With the rotation of the handle, it can drill down into the soil surface, and the soil samples of the soil layer to be collected can be collected. Introduce into the cavity for collection.

However, when the existing soil sampling device performs sampling, it is usually only possible to collect soil samples of one depth at a time, and it is impossible to obtain soil samples of different depths at the same time, and the existing soil sampling devices can simultaneously obtain soil samples of different depths. , it is easy to cause cross-contamination of soil samples at different depths during the sampling process, thereby reducing the accuracy of soil samples at different depths.

Utility model content

In view of the shortcomings of the prior art, the utility model provides a soil sampling device for geological exploration, which has the advantages of improving work efficiency and avoiding soil cross-contamination, and solves the problem that when the existing soil sampling device performs sampling, one drilling usually only Soil samples at one depth can be collected, but soil samples at different depths cannot be obtained at the same time, and the existing soil sampling device that can obtain soil samples at different depths at the same time is easy to cause cross-contamination of soil samples at different depths during the sampling process, thereby reducing The problem of detection accuracy of soil samples at different depths was discussed.

The utility model provides the following technical solutions: a soil sampling device for geological exploration, comprising a hand-held part and a ground; one side of the top of the hand-held part is provided with a pneumatic conveying device, and a driving motor is fixedly installed in the middle of the top of the hand-held part, so The middle part of the bottom end of the hand-held part is fixedly installed with a coupling, the output shaft of the driving motor is fixedly sleeved with a rotating shaft located inside the coupling, the middle part of the inner cavity of the rotating shaft is provided with an air pipe, and the bottom of the rotating shaft is fixedly sleeved There is a drill rod, a sleeve is movably sleeved on the drill rod, a fixing frame is fixedly connected to the side of the sleeve, a telescopic rod is fixedly connected to one side of the bottom of the fixing frame, and the top of the telescopic rod is movably sleeved with The first spring, and 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 sampling groove is movably sleeved with a sampling block, and one end of the sampling block is movably sleeved with a second A spring is provided, and one end of the sampling block is fixedly connected with a connecting plate located inside the drill pipe, and an airbag is provided in the middle of the inner cavity of the drill pipe.

Preferably, an annular array of helical teeth is arranged on the inner wall of the sampling block, the sampling block is composed of a cylinder with a larger diameter and a cylinder with a smaller diameter and beveled, and the interior of the sampling block is hollow .

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

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

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

Preferably, the number of the connecting plates is two, an air bag is provided between the two connecting plates, and both the connecting plates are movably sheathed inside the drill pipe.

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

1. The soil sampling device for geological exploration drives the drill pipe to drill into the ground through the driving motor. After setting the drilling depth according to the needs of the detection, the pneumatic conveying device is started, and the compressed air is conveyed into the air bag through the air pipe, and the air bag is expanded. Squeeze the connecting plate so that the sampling block is knocked out from the sampling groove, and cooperate with the helical teeth on the inner wall of the sampling block to facilitate the acquisition of samples from the soil. Using multiple sets of sampling blocks set at different heights, according to the above process, it can be done once. Soil samples at different depths are obtained during the drilling process, thereby improving the working efficiency of the soil sampling device. After sampling, the air in the air bag is discharged, and the second spring drives the sampling block to retract into the sampling tank, avoiding cross-contamination of soil samples at different depths and improving Accuracy of detection data of soil samples at different depths.

2. The soil sampling device for geological exploration improves the stability of the sampling device during sampling through the fixing frame, the telescopic rod and the support, and uses the first spring on the telescopic rod to lower the speed when the driving motor is started to drive the drill pipe to drill into the ground. The vibration of the sampling device improves the stability of the sampling device during operation, and when the drill pipe encounters a hard object when drilling into the ground, it can play a certain role in buffering and shock absorption, thereby improving the service life of the sampling device.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the schematic diagram of the second spring of the utility model structure;

FIG. 3 is a schematic diagram of the helical tooth of the structure of the present invention.

In the figure: 1. Hand-held part; 2. Ground; 3. Pneumatic conveying device; 4. Driving motor; 5. Coupling; 6. Rotating shaft; 7. Gas pipeline; 8. Drill pipe; 9. Sleeve; Fixed frame; 11, telescopic rod; 12, first spring; 13, support; 14, sampling slot; 15, sampling block; 151, helical tooth; 16, second spring; 17, connecting plate; 18, air bag.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figure 1-3, a soil sampling device for geological exploration, including a hand-held part 1 and a ground 2, a pneumatic conveying device 3 is provided on one side of the top of the hand-held part 1, and a driving motor is fixedly installed in the middle of the top of the hand-held part 1 4. The middle part of the bottom end of the hand-held part 1 is fixedly installed with a coupling 5, the output shaft of the driving motor 4 is fixedly sleeved with a rotating shaft 6 located inside the coupling 5, and the middle part of the inner cavity of the rotating shaft 6 is provided with a gas transmission pipe 7, and the gas transmission pipe One end of 7 is fixedly sleeved with the air outlet of the pneumatic conveying device 3, and the other end of the gas transmission pipe 7 is fixedly sleeved with the air bag 18, and the bottom of the rotating shaft 6 is fixedly sleeved with a drill pipe 8, and the drill pipe 8 is movably sleeved with a sleeve. 9. A fixing frame 10 is fixedly connected to the side of the sleeve 9, a telescopic rod 11 is fixedly connected to one side of the bottom of the fixing frame 10, a first spring 12 is movably sleeved on the top of the telescopic rod 11, and the top of the first spring 12 is connected to the fixing frame The bottom of 10 is fixedly connected, and the bottom of the first spring 12 is fixedly connected to the top of the larger diameter section of the telescopic rod 11, and the cooperation of the telescopic rod 11 and the first spring 12 is used to improve the stability of the sampling device during operation, and When the drill rod 8 encounters a hard object during the drilling process, it provides a certain buffering and shock absorption effect for the sampling device to avoid damage to the sampling device, thereby improving the service life of the sampling device, and the bottom of the telescopic rod 11 is fixedly connected with a support The seat 13, the inner wall of the drill pipe 8 is provided with a sampling groove 14, the middle of the sampling groove 14 is movably sleeved with a sampling block 15, the inner wall of the sampling block 15 is annularly arranged with helical teeth 151, and the sampling block 15 is composed of a larger diameter value. The cylinder is composed of a cylinder with a smaller diameter and is beveled, and the interior of the sampling block 15 is hollow. The annular array of helical teeth 151 on the inner wall of the sampling block 15 is used to facilitate the entry of soil into the interior of the sampling block 15, and to prevent the soil from entering the interior of the sampling block 15. The soil sample is dropped from 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 to the bottom of the larger diameter section of the sampling block 15, and the second spring 16 The other end is fixedly connected with the inner wall of the drill pipe 8. After the sampling block 15 is knocked out of the sampling groove 14 to obtain the soil sample, the compressed air in the air bag 18 is discharged, and through the cooperation of the second spring 16, the sampling block 15 is driven to reset and contract. into the sampling tank 14, so as to avoid cross-contamination of soils of different depths, and facilitate the return of the drill pipe 8 to the ground 2, and one end of the sampling block 15 is fixedly connected with a connecting plate 17 located inside the drill pipe 8, and the number of the connecting plates 17 is Two, an air bag 18 is provided between the two connecting plates 17 , and the two connecting plates 17 are movably sheathed inside the drill pipe 8 , and an air bag 18 is provided in the middle of the inner cavity of the drill pipe 8 .

Working principle: First, fix the fixing frame 10 on the ground 2, use the support 13 at the bottom of the fixing frame 10 to support the sampling device, then set the depth to be drilled, start the driving motor 4 to drive the rotating shaft 6 to rotate, and the rotating shaft 6 The drill rod 8 is driven to rotate, and the drill rod 8 is drilled to the corresponding depth of the ground 2 according to the set drilling depth. During the operation of the sampling device, the cooperation of the telescopic rod 11 at the bottom of the fixing frame 10 and the first spring 12 is used to reduce the sampling rate. The vibration generated during the operation of the device improves the operation stability of the sampling device. Finally, the pneumatic conveying device 3 is started, and the compressed air is transported into the air bag 18 through the air transmission pipe 7. The air bag 18 expands and squeezes the connecting plate 17, so that the sampling block 15 Knock out from the sampling groove 14, and cooperate with the helical teeth 151 on the inner wall of the sampling block 15 to keep the soil inside the sampling block 15, using multiple groups of sampling blocks 15 arranged at different heights, according to the above process in one drilling process Obtain soil samples at different depths.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. The various filling methods used in this document are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood For the purpose of limiting the present invention, furthermore, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or apparatus comprising a series of elements includes not only those elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

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).

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