CN217211561U

CN217211561U - Geotechnical sampling device for geotechnical engineering investigation

Info

Publication number: CN217211561U
Application number: CN202220681256.3U
Authority: CN
Inventors: 奚震峰; 刘峰; 奚赛英; 尤迪
Original assignee: CHANGZHOU CITY PLANNING AND DESIGN INSTITUTE
Current assignee: CHANGZHOU CITY PLANNING AND DESIGN INSTITUTE
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-08-16
Anticipated expiration: 2032-03-28

Abstract

The utility model discloses a geotechnical engineering reconnaissance is with ground sampling device, the on-line screen storage device comprises a base, the base top is fixed with the support, the support internal rotation is provided with the lead screw, the lead screw bottom runs through support and base wall thickness setting, base internally mounted has driving motor, lead screw bottom and driving motor's output shaft fixed connection, be connected with on the lead screw and remove the seat. The utility model discloses a drill bit bores into when appointed point, step motor stop work, the extension of second electric telescopic handle this moment, struts the toper piece of both sides, first electric telescopic handle extension afterwards, releases the movable rod, the sampler that is located the movable rod bottom bores into the ground and collects the sample, after the collection is accomplished, first electric telescopic handle returns and contracts, second electric telescopic handle also returns and contracts, drives the toper piece return of both sides, cover the sample, can avoid the sample to receive the pollution influence.

Description

Geotechnical sampling device for geotechnical engineering investigation

The technical field is as follows:

the utility model relates to a sampling device technical field especially relates to a geotechnical sampling device is used in geotechnical engineering investigation.

Background art:

the geotechnical engineering investigation refers to finding out, analyzing and evaluating geological and environmental characteristics and geotechnical engineering conditions of a construction site according to requirements of construction engineering, and compiling activities of investigation files, wherein a geotechnical sampling device is required in the geotechnical engineering investigation process; the existing rock soil sampling device has certain defects when in use, and can sample deep rock soil only by breaking shallow soil, so that shallow soil is doped in the sampling process, and the taken sample is influenced.

The utility model has the following contents:

to the above problem, the utility model provides a geotechnical sampling device is used in geotechnical engineering reconnaissance.

The utility model discloses a realize through following technical scheme:

a geotechnical sampling device for geotechnical engineering investigation comprises a base, wherein a support is fixed at the top end of the base, a lead screw is rotationally arranged in the support, the bottom end of the lead screw penetrates through the support and the wall thickness of the base, a driving motor is arranged in the base, the bottom end of the lead screw is fixedly connected with an output shaft of the driving motor, a movable seat is connected onto the lead screw, a lifting table is fixed on one side of the movable seat, a stepping motor and a rotary shaft sleeve are arranged on the lifting table, the rotary shaft sleeve penetrates through the wall thickness of the lifting table and is rotatably arranged on the lifting table, the stepping motor drives the rotary shaft sleeve to rotate, an internal spline is fixed in the rotary shaft sleeve, an external spline rod is arranged in the internal spline in a matching manner, an L-shaped support frame is further fixed on the lifting table, a connecting frame is fixed at the bottom end of the L-shaped support frame, and the top end of the external spline rod is rotatably connected onto the connecting frame, the portable sampler is characterized in that a first electric telescopic rod is arranged in the linking frame, the first electric telescopic rod is fixed on the L-shaped support frame, a movable rod is movably arranged inside the outer spline rod, the top end of the movable rod is fixedly connected with the bottom end of a piston rod of the first electric telescopic rod, the bottom end of the movable rod extends out of the outer spline rod, a sampler is fixed at the bottom end of the movable rod, and a drill bit used for protecting the sampler is arranged at the bottom end of the outer spline rod.

Preferably, the drill bit comprises a sealing body and conical blocks symmetrically hinged to the sealing body, and the sealing body is fixed on the external spline rod.

In order to facilitate opening of the conical blocks on the two sides, second electric telescopic rods are vertically fixed on the two sides inside the sealing body, push rods are fixed at the bottom ends of piston rods of the second electric telescopic rods, and idler wheels are installed at the bottom ends of the push rods.

Can drive the toper piece for the push rod and close, toper piece inner wall is fixed with the stop lever, the bar hole has been seted up on the push rod surface, the stop lever is inserted and is established inside the bar hole.

In order to collect rock soil, a conical groove is formed in the sampler.

The utility model has the advantages that: the rock soil sampling device for geotechnical engineering investigation has simple structure and convenient use, when in work, the stepping motor works to drive the rotating shaft sleeve to rotate, the rotating shaft sleeve rotates to drive the inner spline to rotate, the inner spline rotates to drive the outer spline rod to rotate, the outer spline rod rotates to drive the drill bit to rotate, in the process, the driving motor works to drive the screw rod to rotate, the screw rod drives the movable seat to move downwards, then the drill bit is driven to drill into the rock soil, when the drill bit drills into a specified point, the stepping motor stops working, the second electric telescopic rod extends at the moment to open the conical blocks on the two sides, the first electric telescopic rod extends to push out the movable rod, the sampler positioned at the bottom end of the movable rod drills into the rock soil and collects samples, after the collection is completed, first electric telescopic handle contracts, and second electric telescopic handle also contracts, drives the toper piece return of both sides, covers the sample, can avoid the sample to receive the pollution influence.

Description of the drawings:

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

FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the present invention;

fig. 3 is an enlarged view of a portion B of fig. 1 according to the present invention.

In the figure: 1 base, 2 supports, 3 lead screws, 4 driving motors, 5 elevating platforms, 6 step motors, 7 rotatory axle sleeves, 8 internal splines, 9 external spline rods, 10L-shaped support frames, 11 linking frames, 12 first electric telescopic rods, 13 movable rods, 14 samplers, 15 sealing bodies, 16 conical blocks, 17 second electric telescopic rods, 18 stop rods, 19 push rods and 20 strip-shaped holes.

The specific implementation mode is as follows:

the following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined.

The geotechnical sampling device for geotechnical engineering investigation shown in figures 1-3 comprises a base 1, wherein a support 2 is fixed at the top end of the base 1, a screw rod 3 is rotatably arranged in the support 2, the bottom end of the screw rod 3 penetrates through the support 2 and the wall thickness of the base 1, a driving motor 4 is arranged in the base 1, the bottom end of the screw rod 3 is fixedly connected with an output shaft of the driving motor 4, a moving seat is connected on the screw rod 3, a lifting table 5 is fixed at one side of the moving seat, a stepping motor 6 and a rotating shaft sleeve 7 are arranged on the lifting table 5, the rotating shaft sleeve 7 penetrates through the wall thickness of the lifting table 5 and is rotatably arranged on the lifting table 5, the stepping motor 6 drives the rotating shaft sleeve 7 to rotate, an internal spline 8 is fixed in the rotating shaft sleeve 7, an external spline rod 9 is arranged in the internal spline 8 in a matching manner, and an L-shaped support frame 10 is further fixed on the lifting table 5, l shape support frame 10 bottom mounting has linking frame 11, the external spline pole 9 top is rotated and is connected on linking frame 11, be provided with first electric telescopic handle 12 in linking frame 11, first electric telescopic handle 12 is fixed on L shape support frame 10, the internal activity of external spline pole 9 is provided with movable rod 13, the piston rod bottom fixed connection of 13 tops of movable rod and first electric telescopic handle 12, external spline pole 9 setting is stretched out in 13 bottoms of movable rod, and 13 bottom mountings of movable rod have sampler 14, the toper recess has been seted up in the sampler 14, the 9 bottoms of external spline pole are provided with the drill bit that is used for protecting sampler 14.

As shown in fig. 3, the drill bit includes that seal 15 and symmetry articulate the toper piece 16 on seal 15, seal 15 is fixed on outer spline rod 9, the equal vertical second electric telescopic handle 17 that is fixed with in the inside both sides of seal 15, the piston rod bottom mounting of second electric telescopic handle 17 has push rod 19, the gyro wheel is installed to push rod 19 bottom, 16 inner walls of toper piece are fixed with stop lever 18, bar hole 20 has been seted up on the surface of push rod 19, stop lever 18 inserts and establishes inside bar hole 20, and when second electric telescopic handle 17 shortened, stop lever 18 supported the bottommost in bar hole 20.

During operation, the step motor 6 works to drive the rotary shaft sleeve 7 to rotate, the rotary shaft sleeve 7 rotates to drive the internal spline 8 to rotate, the internal spline 8 rotates to drive the external spline rod 9 to rotate, the external spline rod 9 rotates to drive the drill bit to rotate, in the process, the driving motor 4 works to drive the screw rod 3 to rotate, the screw rod 3 drives the movable seat to move downwards, and further drives the drill bit to drill into the rock soil, when the drill bit drills into a specified point, the step motor 6 stops working, at the moment, the second electric telescopic rod 17 extends to prop open the conical blocks 16 on two sides, the first electric telescopic rod 12 extends to push out the movable rod 13, the sampler 14 at the bottom end of the movable rod 13 drills into the rock soil and collects samples, after collection is completed, the first electric telescopic rod 12 retracts, the second electric telescopic rod 17 also retracts to drive the conical blocks 16 on two sides to return, and the samples are covered.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a geotechnical sampling device is used in geotechnical engineering investigation which characterized in that: comprises a base (1), a bracket (2) is fixed at the top end of the base (1), a lead screw (3) is rotationally arranged in the bracket (2), the bottom end of the lead screw (3) penetrates through the bracket (2) and the wall thickness of the base (1), a driving motor (4) is arranged inside the base (1), the bottom end of the lead screw (3) is fixedly connected with an output shaft of the driving motor (4), a movable base is connected on the lead screw (3), a lifting platform (5) is fixed on one side of the movable base, a stepping motor (6) and a rotary shaft sleeve (7) are arranged on the lifting platform (5), the rotary shaft sleeve (7) penetrates through the wall thickness of the lifting platform (5) and is rotatably arranged on the lifting platform (5), the rotary shaft sleeve (6) drives the rotary shaft sleeve (7) to rotate, an internal spline (8) is fixed inside the rotary shaft sleeve (7), and an external spline rod (9) is arranged inside the internal spline (8), the utility model discloses a take-up stand, including elevating platform (5), L shape support frame (10), linking frame (11) are still fixed with L shape support frame (10) bottom mounting, the outer spline pole (9) top is rotated and is connected on linking frame (11), be provided with first electric telescopic handle (12) in linking frame (11), first electric telescopic handle (12) are fixed on L shape support frame (10), the inside activity of outer spline pole (9) is provided with movable rod (13), the piston rod bottom fixed connection of movable rod (13) top and first electric telescopic handle (12), outer spline pole (9) setting is stretched out to movable rod (13) bottom, and movable rod (13) bottom mounting has sampler (14), outer spline pole (9) bottom is provided with the drill bit that is used for protecting sampler (14).

2. The geotechnical sampling device for geotechnical engineering investigation of claim 1, wherein: the drill bit comprises a sealing body (15) and conical blocks (16) symmetrically hinged to the sealing body (15), and the sealing body (15) is fixed on the outer spline rod (9).

3. The geotechnical sampling device for geotechnical engineering investigation of claim 2, wherein: the sealing structure is characterized in that second electric telescopic rods (17) are vertically fixed on two sides of the interior of the sealing body (15), push rods (19) are fixed at the bottom ends of piston rods of the second electric telescopic rods (17), and idler wheels are installed at the bottom ends of the push rods (19).

4. The geotechnical sampling device for geotechnical engineering investigation of claim 3, wherein: the tapered block (16) inner wall is fixed with a stop rod (18), a strip-shaped hole (20) is opened on the surface of the push rod (19), and the stop rod (18) is inserted into the strip-shaped hole (20).

5. The geotechnical sampling device for geotechnical engineering investigation of claim 1, wherein: a conical groove is formed in the sampler (14).