CN211927345U

CN211927345U - Sampling device for rock and soil investigation

Info

Publication number: CN211927345U
Application number: CN202020660545.6U
Authority: CN
Inventors: 张军; 牛欣欣; 胡静
Original assignee: Xi'an Railway Vocational And Technical Institute
Current assignee: Xi'an Railway Vocational And Technical Institute
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-11-13
Anticipated expiration: 2030-04-27

Abstract

The utility model discloses a ground reconnaissance sampling device belongs to soil sampling equipment technical field, and the device includes: a beam and two support beams; the cross beam is arranged between the two support beams; a first motor is arranged on the cross beam, a rotating shaft is vertically arranged on the motor, and a first gear is nested on the rotating shaft; two threaded rods are vertically arranged on the cross beam, second gears are nested on the two threaded rods, and sliding blocks are connected to the two threaded rods in a threaded mode; the two second gears are positioned above the sliding block and are both meshed with the first gear; a connecting rod vertically penetrates through the sliding block, a hollow pipe is arranged below the connecting rod, and a second motor is arranged in the hollow pipe; the connecting rod penetrates through the hollow pipe and is connected with the second motor; the lower end of the second motor is vertically provided with a driving shaft. The utility model discloses a settlement of motor has replaced the manual work and has directly got the article, and through the setting of slider and connecting rod, has avoided the problem of the skew route of drill bit in the sampling process.

Description

Sampling device for rock and soil investigation

Technical Field

The utility model relates to a soil sampling equipment technical field, concretely relates to ground reconnaissance sampling device.

Background

At present, with the rapid development of economy in China, geological exploration in the fields of petroleum and natural gas, mine engineering, construction of building foundation engineering, geology, hydrology and the like is continuously progressed, the geological exploration is to survey and detect geology through various means and methods, determine a proper bearing stratum, determine a foundation type according to the foundation bearing capacity of the bearing stratum and calculate the investigation and research activities of foundation parameters, and the geological exploration is to find an industrially significant mineral deposit in the general survey of mineral products and provide the mineral reserve and geological data required by the mine construction design for finding the quality and quantity of the mineral products and absorbing the technical conditions of exploitation and utilization. The investigation and research work is carried out on the geological conditions such as rocks, stratums, structures, mineral products, hydrology, landforms and the like in a certain area, and during the geological exploration, the sampling of soil layers is an important link, so that a sampling device for geotechnical exploration is needed so as to research the local soil layers.

Among the prior art, sampling equipment is mostly the hand butyl sample shovel, through excavating the sample to the selected area, or the equidistance sets up the cavity of storing soil in the sample tube, then utilizes the drill bit to bring the drilling rod into the underground, and the entry entering cavity on this in-process soil on through the drilling rod.

In implementing the present invention, the inventors found that at least the following problems exist in the prior art: firstly, the surface sampling is convenient, and the labor consumption is large when the sampling is carried out on a soil layer with deeper underground; secondly, the risk of deviating from the selected position in the excavation process exists by means of manual excavation sampling; moreover, the drill bit is used for being brought into the drill rod to enter the underground, and soil with different depths can enter the drill rod, so that sampling is inaccurate.

Disclosure of Invention

The utility model is directed to the above-mentioned problem, a ground reconnaissance sampling device is provided.

The utility model adopts the technical proposal that: a geotechnical investigation sampling device includes: a beam and two support beams; the cross beam is arranged between the two support beams;

a first motor is arranged on the cross beam, a rotating shaft is vertically arranged on the motor, and a first gear is nested on the rotating shaft;

two threaded rods are vertically arranged on the cross beam, second gears are nested on the two threaded rods, and sliding blocks are connected to the two threaded rods in a threaded mode; the two second gears are positioned above the sliding block, and both the two second gears are meshed with the first gear;

a connecting rod vertically penetrates through the sliding block, a hollow tube is arranged below the connecting rod, and a second motor is arranged in the hollow tube; the connecting rod penetrates through the hollow pipe and is connected with the second motor;

a driving shaft is vertically arranged at the lower end of the second motor; a blocking block is arranged below the second motor in the hollow pipe; the driving shaft penetrates through the blocking block, and a drill bit is arranged at the lower end of the driving shaft; a spring is arranged on the driving shaft between the blocking block and the second motor;

the drill bit is hollow inside, and through holes are formed in the upper end part of the side face of the drill bit at equal intervals.

And further, bearings are arranged between the two threaded rods and the cross beam.

Further, the drill bit is matched with the size of the hollow pipe; the height of the part of the drill bit provided with the through hole is less than or equal to the height from the blocking block to the bottom of the hollow tube.

Furthermore, the drill bit is provided with spiral marks.

Furthermore, a fixing plate is transversely arranged at the lower end of the supporting beam, and a positioning pin is connected to the fixing plate in a threaded mode.

Furthermore, the second motor is movably connected with the hollow pipe, and the connecting rod is movably connected with the hollow pipe and the sliding block; the driving shaft is movably connected with the blocking block.

Further, the first motor and the second motor are provided with a built-in storage battery.

Furthermore, the supporting beam is provided with scale marks.

The utility model has the advantages that:

firstly, the device replaces manual work to directly take products through the setting of the motor, and the problem that a drill bit deviates from a route in the sampling process is avoided through the arrangement of the sliding block and the connecting rod; secondly, through the setting of spring for in the soil of having avoided other depths sneaks into the drill bit in the sample process, thereby make the more accurate of reacing the sample.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

Fig. 1 is a schematic front structural view of an embodiment of the present invention;

FIG. 2 is a schematic view of a hollow tube and drill bit configuration according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a cross beam and a support beam according to an embodiment of the present invention.

Reference numerals:

the device comprises a beam 1, a supporting beam 2, a fixing plate 201, a positioning pin 202, a first motor 3, a rotating shaft 301, a first gear 302, a threaded rod 4, a second gear 401, a sliding block 402, a connecting rod 403, a hollow tube 5, a second motor 501, a blocking block 502, a driving shaft 6, a drill 601, a spring 602 and a through hole 603.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 3, as shown in fig. 1 to 3, a sampling apparatus for geotechnical investigation, comprising: a cross beam 1 and two support beams 2; the beam 1 is arranged between the two support beams 2;

a first motor 3 is arranged on the cross beam, a rotating shaft 301 is vertically arranged on the motor 3, and a first gear 302 is nested on the rotating shaft 301;

two threaded rods 4 are vertically arranged on the cross beam 1, second gears 401 are nested on the two threaded rods 4, and sliding blocks 402 are in threaded connection with the two threaded rods 4; two second gears 401 are located above the slider 402, and both the two second gears 401 are meshed with the first gear 302;

a connecting rod 403 is vertically arranged in a penetrating manner on the sliding block 402, a hollow tube 5 is arranged below the connecting rod 403, and a second motor 501 is arranged in the hollow tube 5; the connecting rod 403 penetrates through the hollow tube 5 and is connected with the second motor 501;

the lower end of the second motor 501 is vertically provided with a driving shaft 6; a stop block 502 is arranged below a second motor 501 in the hollow pipe 5; the driving shaft 6 penetrates through the stop block 502 and is provided with a drill bit 601 at the lower end; a spring 602 is arranged on the driving shaft 6 between the stop block 502 and the second motor 501;

the drill 601 is hollow inside and has through holes 603 at equal intervals at the upper end of the side surface.

When the rock-soil exploration sampling device provided by the utility model is used, a user determines a sampling position, then the supporting beam 2 is fixed, and the drill bit 601 is aligned to the sampling position, so that the preparation before sampling is completed;

then, the first motor 3 and the second motor 501 are started, the rotating shaft 301 is driven by the first motor 3 to rotate, then the first gear 302 rotates, meanwhile, the second gear 401 meshed with the first gear 302 rotates, so that the sliding block 402 moves downwards along the threaded rod 4, the second motor 501 enables the driving shaft 6 to rotate, the driving shaft 6 rotates to drive the drill bit 601 to rotate, and the drill bit 601 enters the ground in the process of downward moving of the sliding block;

then, when the drill bit 601 reaches a specified position by observing the scale marks, the first motor 3 is turned off, then the upper end of the connecting rod 403 is manually pressed, the connecting rod 403 moves downwards along the inner wall of the hollow tube 5, the drill bit 601 simultaneously moves downwards, the through hole 603 moves out of the hollow tube 5, the drill bit 601 enters soil into the drill bit 601 through spiral marks, then the connecting rod 403 is released, the drill bit returns under the action of the spring 602, and the second motor 501 is turned off;

next, the first motor 3 is activated to rotate the shaft 301, so that the slide block 402 moves upward, the hollow tube 5 is removed from the soil, and then the drill bit 601 is manually unscrewed to take the sample out.

In one embodiment of the utility model, bearings are arranged between the two threaded rods 4 and the crossbeam 1; in this way, the mutual wear between the threaded rod 4 and the cross beam 1 is reduced.

In one embodiment of the utility model, the drill 601 is matched with the hollow pipe 5 in size; the height of the part of the drill 601 provided with the through hole 603 is less than or equal to the height from the stop block 502 to the bottom of the hollow tube 5; in this way, the through hole 603 is located in the hollow tube 5 in the initial position without contacting the soil.

In an embodiment of the utility model, the drill bit is provided with spiral marks; in this manner, the drill bit 601 can be facilitated to enter the soil, and the soil can be enabled to move along the spiral mark.

In an embodiment of the present invention, the lower end of the supporting beam 2 is transversely provided with a fixing plate 201, and the fixing plate 201 is connected with a positioning pin 202 by a screw thread; in this way, the support beam 2 is more stable on the ground.

In an embodiment of the present invention, the second motor 501 is movably connected to the hollow tube 5, and the connecting rod 403 is movably connected to both the hollow tube 5 and the sliding block 402; the driving shaft 6 is movably connected with the blocking block 502; thus, the connecting rod 403 is prevented from being stuck in the moving process, and the failure of the sampling process is avoided.

In an embodiment of the present invention, the first motor 3 and the second motor 501 have a built-in battery.

In an embodiment of the present invention, the supporting beam 2 is provided with scale marks; thus, the depth of the drill bit 601 entering the soil can be accurately observed, and sampling is convenient.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A geotechnical investigation sampling device includes: a cross beam (1) and two support beams (2); the device is characterized in that the cross beam (1) is arranged between two support beams (2);

a first motor (3) is arranged on the cross beam, a rotating shaft (301) is vertically arranged on the motor (3), and a first gear (302) is nested on the rotating shaft (301);

two threaded rods (4) are vertically arranged on the cross beam (1), second gears (401) are nested on the two threaded rods (4), and sliding blocks (402) are connected to the two threaded rods (4) in a threaded mode; the two second gears (401) are positioned above the sliding block (402), and the two second gears (401) are meshed with the first gear (302);

a connecting rod (403) vertically penetrates through the sliding block (402), a hollow tube (5) is arranged below the connecting rod (403), and a second motor (501) is arranged in the hollow tube (5); the connecting rod (403) penetrates through the hollow pipe (5) and is connected with the second motor (501);

a driving shaft (6) is vertically arranged at the lower end of the second motor (501); a blocking block (502) is arranged below a second motor (501) in the hollow pipe (5); the driving shaft (6) penetrates through the blocking block (502) and the lower end of the driving shaft is provided with a drill bit (601); a spring (602) is arranged on the driving shaft (6) between the stop block (502) and the second motor (501);

the drill bit (601) is hollow inside, and through holes (603) are formed in the upper end portion of the side face of the drill bit at equal intervals.

2. The geotechnical investigation sampling device of claim 1, wherein, a bearing is arranged between the two threaded rods (4) and the beam (1).

3. The geotechnical investigation sampling device according to claim 1, wherein said drill bit (601) is matched in size to the hollow tube (5); the height of the part of the drill bit (601) provided with the through hole (603) is less than or equal to the height from the stop block (502) to the bottom of the hollow pipe (5).

4. The geotechnical investigation sampling device of claim 1, wherein the drill bit is provided with spiral marks.

5. The geotechnical investigation sampling device according to claim 1, wherein the lower end of the support beam (2) is transversely provided with a fixing plate (201), and the fixing plate (201) is in threaded connection with a positioning pin (202).

6. The geotechnical investigation sampling device according to claim 1, wherein the second motor (501) is movably connected with the hollow pipe (5), and the connecting rod (403) is movably connected with the hollow pipe (5) and the sliding block (402); the driving shaft (6) is movably connected with the blocking block 502.

7. The geotechnical investigation sampling device according to claim 1, wherein the first motor (3) and the second motor (501) are provided with built-in batteries.

8. The geotechnical investigation sampling device according to claim 1, wherein the support beam (2) is provided with scale marks.