CN215953023U

CN215953023U - Geotechnical sampling device for geotechnical engineering investigation

Info

Publication number: CN215953023U
Application number: CN202121944254.0U
Authority: CN
Inventors: 蒋俏静; 任永国; 褚衍坡; 顾俊
Original assignee: Wuxi Survey Design And Research Institute Co ltd
Current assignee: Wuxi Survey Design And Research Institute Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-03-04
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses a geotechnical sampling device for geotechnical engineering investigation, in particular to the technical field of geotechnical investigation, which comprises a sampling device support frame and a regulation and control support base, wherein the sampling device support frame comprises a drill bit, the regulation and control support base comprises a telescopic rod, the bottom end of the telescopic rod is movably connected with a support base, a motor drives the drill bit to rotate to drive a limit support rod to move downwards, meanwhile, the internal air pressure of an air bag frame is fixed and cannot be changed due to external reasons, the limit support rod moves downwards to drive the geotechnical sampling frame to move downwards through the air pressure in the air bag frame, the geotechnical sampling frame penetrates through a hole groove to collect the mined soil, the height collected at a single time is a fixed value, thereby replacing the length accumulated by the drill rod to estimate the approximate depth value of a sample, and utilizing the relatively constant single-time collection depth, meanwhile, the moving depth is prevented from being influenced externally, and the whole data is accurate.

Description

Geotechnical sampling device for geotechnical engineering investigation

Technical Field

The utility model relates to the technical field of geotechnical investigation, in particular to a geotechnical sampling device for geotechnical engineering investigation.

Background

The quality of soil sample is very important in the geotechnical sampling, in the probing and soil taking processes, the structure of soil is very easy to be singled, the soil sample with disturbed structure is used for testing, an error conclusion is necessarily obtained, engineering accidents or construction fund waste can be caused, the requirement of standardization on the quality of the soil sample is very important, the geotechnical sampling device is used for developing the soil by using a deep hole drill when carrying out data collection on the geotechnical, and the soil collection frame is used for collecting the soil sample with higher efficiency.

Present geotechnical sampling device is when the staff surveys geotechnical engineering, the sampling drilling tool of earlier trying to take a sample, and when loose soft stratum and sand bed sampling, the sampling drilling tool commonly used is under the condition of outer casing dado, soil collection frame is when carrying out data acquisition, the precision of the approximate degree of depth numerical value of only estimating the sample through the length that the drilling rod is accumulative, and the later stage is for measuring numerical value, the staff utilizes instrument such as tape measure to measure, work efficiency is lower, the easy emergence error of the geotechnical data degree of accuracy of later stage.

Accordingly, a geotechnical sampling apparatus for geotechnical engineering investigation is provided by those skilled in the art to solve the problems set forth in the above background art.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a geotechnical sampling apparatus for geotechnical engineering investigation, which cooperate to solve the above-mentioned problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a geotechnical engineering reconnaissance is with ground sampling device, includes the sampling device support frame, regulates and control the support base, the sampling device support frame includes the drill bit, the regulation and control supports the base and includes the telescopic link, the bottom swing joint of telescopic link supports the base, the outside swing joint of telescopic link has the gasbag frame, the bottom swing joint of gasbag frame has ground sample holder, one side swing joint that ground sample holder was kept away from to the gasbag frame has spacing bracing piece, the both sides swing joint that the base was supported in the regulation and control has high predetermined sill bar.

Through adopting above-mentioned scheme, through the adjustment to spacing bracing piece, it is spacing to the position of telescopic link, and the descending height of later stage drill bit can be comparatively accurate measurement for the original point, comparatively convenient height after using the adjustment.

Preferably, the upper surface of the regulation and control support base is movably connected with a data acquisition frame, and two ends of the data acquisition frame are designed into arc-shaped fan-shaped structures.

Through adopting above-mentioned scheme, the volume of design is great on the data acquisition frame, and circular-arc can avoid touching the top of data acquisition frame when the bottom of telescopic link moves down, causes the damage.

Preferably, the data acquisition frame comprises a sliding bottom plate, the two sides of the sliding bottom plate are movably connected with data reading plates, a sliding rail is arranged in the center of the data acquisition frame, and the sliding bottom plate and the sliding rail are arranged in a sliding state.

Through adopting above-mentioned scheme, promote the sliding bottom plate through the inside air current of gasbag and move down, comparatively audio-visual obtains the degree of depth of gathering soil from the data reading board, makes things convenient for the later stage to contrast.

Preferably, the sampling device support frame includes the grabbing control frame, the drill bit rotates to be connected in the bottom of grabbing the control frame, the material of drill bit is the high-speed steel that contains the cobalt.

Through adopting above-mentioned scheme, the drill bit is when mining soil, and its material can support the comparatively hard soil of exploitation, snatchs the control frame and makes things convenient for the staff to snatch to equipment.

Preferably, the top and the bottom of regulation and control support base all set up the multiunit hole groove that sets up at same vertical line, and every group the quantity of hole groove is 5, the top of telescopic link is provided with the rotating valve of convenient control.

Through adopting above-mentioned scheme, coupling assembling can be comparatively convenient stretch out and draw back the removal through multiunit hole groove, and the radius size in hole carries on spacingly to the migration distance of subassembly.

Preferably, the height-preset bottom rod, the rock-soil sampling frame and the limiting support rod all penetrate through the hole groove.

Through adopting above-mentioned scheme, ground sample frame moves the distance of conduction through spacing bracing piece downstream in step, and it makes data acquisition comparatively standard.

Preferably, the supporting base penetrates through the top end and the bottom end of the regulating and controlling supporting base, and the length of the supporting base is greater than that of the drill bit.

By adopting the scheme, the land has no data collection value in the surface soil in the mining process, the length of the drill bit can be mined for a certain distance from the bottom preferentially, and the support base is higher than the drill bit, so that the stability of the device can be realized.

The utility model has the technical effects and advantages that:

1. according to the rock-soil sampling device for geotechnical engineering investigation, the motor drives the drill bit to drive the limiting support rod to move downwards under the driving of rotation, meanwhile, the internal air pressure of the air bag frame is fixed and cannot be changed due to external reasons, the limiting support rod moves downwards to drive the rock-soil sampling frame to move downwards through the air pressure in the air bag frame, the rock-soil sampling frame penetrates through the hole groove and collects the mined soil, the height collected at a single time is a fixed value, therefore, the approximate depth value of a sample is estimated instead of the accumulated length of a drill rod, the constant single-time collection depth is utilized, the moving depth is prevented from being influenced by the external environment, and the overall data is accurate;

2. this geotechnical sampling device for geotechnical engineering investigation, the support base has confirmed the initial value Δ g of collection height, and the distance that sliding bottom moved down is delta H, and calculates to obtain the absolute value with the absolute value of both and be single data acquisition value to realized the diversification to soil data acquisition, comparatively reasonable recorded data avoids numerical value to calculate miscellaneous.

Drawings

FIG. 1 is a perspective view of a support frame of a sampling device according to the present invention;

FIG. 2 is a partial sectional view of a rock and soil sampling frame according to the present invention;

FIG. 3 is a partial cross-sectional view of a data reading plate according to the present invention.

In the figure: 1. a sampling device support frame; 101. a grabbing control frame; 102. a drill bit; 2. a regulating and supporting base; 201. a height-predetermined bottom bar; 202. an air bag holder; 203. a support base; 204. a hole groove; 205. a telescopic rod; 206. a rock-soil sampling frame; 207. a limiting support rod; 3. a data collection rack; 301. a sliding bottom plate; 302. a data reading board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawings 1-2 of the specification, the geotechnical sampling device for geotechnical engineering investigation of one embodiment of the utility model comprises a sampling device support frame 1 and an adjusting and supporting base 2, wherein the sampling device support frame 1 comprises a drill bit 102, the sampling device support frame 1 comprises a grabbing control frame 101, the drill bit 102 is rotatably connected to the bottom end of the grabbing control frame 101, a rotary valve at the top end of a telescopic rod 205 is rotated, the rotary valve is firstly loosened, the supporting base 203 can adjust the mining height, then the rotary valve is screwed tightly, the supporting base 203 is supported on the ground surface, the drill bit 102 is made of cobalt-containing high-speed steel, when the drill bit 102 mines soil, the drill bit can support and mine harder soil, the grabbing control frame 101 facilitates the equipment to be grabbed by workers, the adjusting and supporting base 2 comprises the telescopic rod 205, the bottom end of the telescopic rod 205 is movably connected with the supporting base 203, the supporting base 203 runs through in the top and the bottom of regulation and control supporting base 2, the length of supporting base 203 is greater than the length of drill bit 102, the soil is at the mining in-process, the soil on top layer does not have data acquisition's value, then the length of drill bit 102 can be preferably to a distance of bottom mining, the motor drives drill bit 102 and moves to the downside in the pivoted, drill bit 102 drives spacing bracing piece 207 and moves to the downside, because the inside atmospheric pressure of gasbag frame 202 is fixed, it can not change because of external reason, then spacing bracing piece 207 moves down and drives ground sample frame 206 and move to the downside through the inside air pressure of gasbag frame 202, supporting base 203 is higher than drill bit 102 and can realize the stationarity of device, the outside swing joint of telescopic link 205 has gasbag frame 202, the bottom swing joint of gasbag frame 202 has ground sample frame 206.

The side of the air bag frame 202 far away from the rock-soil sampling frame 206 is movably connected with a limit supporting rod 207, the position of the limit supporting rod 207 is limited by adjusting the limit supporting rod 207, the adjusted height is convenient to be an original point, the descending height of the drill bit 102 at the later stage can be accurately measured, two sides of the regulation and control supporting base 2 are movably connected with a height-preset bottom rod 201, the rock-soil sampling frame 206 and the limit supporting rod 207 are all penetrated through the hole grooves 204, the rock-soil sampling frame 206 moves synchronously through the distance transmitted by the downward movement of the limit supporting rod 207, the data acquisition is standard, the top and the bottom of the regulation and control supporting base 2 are both provided with a plurality of groups of hole grooves 204 arranged on the same vertical line, the number of each group is 5, the top end of the telescopic rod 205 is provided with a rotary valve which is convenient to control, and the connecting assembly can conveniently move telescopically through the plurality of groups of hole grooves 204, and the radius size in hole carries on spacingly to the displacement of subassembly, and the inside displaceable distance of data reading board 302 is fixed, and ground sample rack 206 removes to the bottom and represents that single data acquisition is complete to realized replacing the approximate degree of depth numerical value of the length estimation sample that accumulates to the drilling rod, utilized comparatively invariable single collection degree of depth, avoided simultaneously that the displacement degree of depth receives external influence, made whole data comparatively accurate.

Referring to the attached

drawings

1 and 3 of the specification, the upper surface of the regulation and control support base 2 is movably connected with a data acquisition frame 3, two ends of the data acquisition frame 3 are designed to be arc-shaped fan-shaped structures, the data acquisition frame 3 is designed to be large in size, the arc shape can prevent the bottom end of the telescopic rod 205 from touching the top end of the data acquisition frame 3 when moving downwards to cause damage, when the limiting support rod 207 moves downwards, the moving distance of the limiting support rod changes along with the downward moving depth of the drill 102, the initial value delta g of the acquisition height is determined by the support base 203, the data acquisition frame 3 comprises a sliding bottom plate 301, two sides of the sliding bottom plate 301 are movably connected with data reading plates 302, a sliding rail is arranged in the center of the data acquisition frame 3, the sliding bottom plate 301 and the sliding rail are arranged in a sliding state, air flow in the air bag pushes the sliding bottom plate 301 to move downwards, and the depth of the acquired soil is more intuitively obtained from the data reading plates 302, the comparison in the later period is facilitated, and the worker subtracts the initial height value delta g determined by the measured supporting base 203 from the absolute height value delta H of the data reading plate 302 through the recorded single-time descending value of the data reading plate 302 to obtain the single-time data acquisition sample depth;

ΔH-Δg

aiming at the diversification of soil acquisition data, the data is reasonably recorded, and the numerical calculation is prevented from being mixed.

The working principle is as follows: the worker moves the sampling device support frame 1 to a soil collection position by grasping the grasping control frame 101, and simultaneously rotates the rotary valve at the top end of the telescopic rod 205, the rotary valve is firstly loosened, the support base 203 can adjust the mining height, then the rotary valve is screwed tightly, so that the support base 203 is supported on the ground surface, the motor drives the drill bit 102 to move downwards while rotating, the drill bit 102 drives the limit support rod 207 to move downwards, the limit support rod 207 moves downwards to drive the rock-soil sampling frame 206 to move downwards through the air pressure in the air bag frame 202, the rock-soil sampling frame 206 passes through the hole groove 204 to collect the soil after mining, the movable distance in the data reading plate 302 is fixed, the rock-soil sampling frame 206 moves to the bottom end to represent the complete data collection once, and the approximate depth value of the sampling is estimated instead of the accumulated length of the drill rod, the relatively constant single acquisition depth is utilized, and the moving depth is prevented from being influenced externally, so that the overall data is relatively accurate.

When the spacing bracing piece 207 moved to the downside, its displacement changed along with the degree of depth that moves down of drill bit 102, and support base 203 and confirmed the initial value Δ g of gathering the height, spacing bracing piece 207 drives sliding bottom plate 301 and moves to the downside, then the staff is through the single decline numerical value of the data reading board 302 of record, with the height absolute value Δ H of data reading board 302 subtract the initial height value Δ g that supports base 203 and confirm after the measurement and draw the single data acquisition sample degree of depth, thereby the diversification to soil data collection has been realized, more reasonable recorded data, avoid numerical calculation to mix.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a geotechnical sampling device is used in geotechnical engineering investigation, includes sampling device support frame (1), regulation and control support base (2), its characterized in that: sampling device support frame (1) includes drill bit (102), regulation and control support base (2) and include telescopic link (205), the bottom swing joint of telescopic link (205) has support base (203), the outside swing joint of telescopic link (205) has air bag frame (202), the bottom swing joint of air bag frame (202) has ground sample frame (206), one side swing joint that ground sample frame (206) was kept away from in air bag frame (202) has spacing bracing piece (207), the both sides swing joint that regulation and control supported base (2) has high predetermined sill bar (201).

2. The geotechnical sampling device for geotechnical engineering investigation of claim 1, wherein: the upper surface of the regulation and control support base (2) is movably connected with a data acquisition frame (3), and two ends of the data acquisition frame (3) are designed to be arc-shaped fan-shaped structures.

3. The geotechnical sampling device for geotechnical engineering investigation of claim 2, wherein: the data acquisition frame (3) comprises a sliding bottom plate (301), the two sides of the sliding bottom plate (301) are movably connected with data reading plates (302), a sliding rail is arranged in the center of the data acquisition frame (3), and the sliding bottom plate (301) and the sliding rail are arranged in a sliding state.

4. The geotechnical sampling device for geotechnical engineering investigation of claim 1, wherein: the sampling device support frame (1) comprises a grabbing control frame (101), the drill bit (102) is rotatably connected to the bottom end of the grabbing control frame (101), and the drill bit (102) is made of cobalt-containing high-speed steel.

5. The geotechnical sampling device for geotechnical engineering investigation of claim 1, wherein: the top and the bottom of regulation and control support base (2) all set up multiunit hole groove (204) that set up at same vertical line, and every group the quantity of hole groove (204) is 5, the top of telescopic link (205) is provided with the rotation valve of convenient control.

6. The geotechnical sampling device for geotechnical engineering investigation of claim 5, wherein: the height-preset bottom rod (201), the rock-soil sampling frame (206) and the limiting support rod (207) penetrate through the hole groove (204).

7. The geotechnical sampling device for geotechnical engineering investigation of claim 1, wherein: the supporting base (203) penetrates through the top end and the bottom end of the adjusting and controlling supporting base (2), and the length of the supporting base (203) is larger than that of the drill bit (102).