CN219284709U

CN219284709U - Hydraulic soil sample withdrawing device

Info

Publication number: CN219284709U
Application number: CN202223168815.XU
Authority: CN
Inventors: 陈娟娟; 周会军; 苏朋朋; 杨永涛; 孟兆兴; 张藤藤; 崔辰亮; 冯晓; 李春亮
Original assignee: China Chemical Mingda Hebei Geology Engineering Co Ltd
Current assignee: China Chemical Mingda Hebei Geology Engineering Co Ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-06-30
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses a hydraulic soil sample withdrawing device, and relates to the technical field of geotechnical engineering investigation. It includes the soil sampler body and the soil sample box in the soil sampler body, its characterized in that: the device also comprises a frame with an opening at the upper end; a transverse expansion device is arranged on the frame; the output end of the telescopic device is connected with an extension rod; the frame is rotatably connected with an annular top frame through a top frame rotating shaft, and the annular top frame is correspondingly matched with the extension rod; the annular top frame is in clamping fit with the soil sampler body; the extension rod is correspondingly matched with the soil sampler body. The beneficial effects of the utility model are as follows: when the device is used, the soil sample is conveniently taken out, the influence on the soil sample is reduced, and the device is convenient to operate and high in efficiency.

Description

Hydraulic soil sample withdrawing device

Technical Field

The utility model relates to the technical field of geotechnical engineering investigation, in particular to a hydraulic soil sample withdrawing device.

Background

In geotechnical engineering investigation work, the types of soil sampler are many, and open thin-wall soil sampler and thick-wall soil sampler are commonly used soil sampler. In the operation, the soil sampler is generally driven or pressed into the soil layer of the drill hole by adopting a heavy hammer less driving method or a static pressure method, and then the soil sampler is taken out of the drill hole, and the soil sample in the soil sampler and the iron sheet sample box are pushed out.

When the compaction degree of the soil sample is high, the outer wall of the soil sampler is often knocked by a hammer to loosen the soil sample and then withdraw the soil sample, and the operation method can generate great disturbance on the sample and seriously influence the test result of the soil, so that the soil sample withdrawing device with convenient operation and high efficiency is needed.

Disclosure of Invention

The utility model aims to solve the technical problems and provides a hydraulic soil sample withdrawing device aiming at the technical defects. When the device is used, the soil sample is conveniently taken out, the influence on the soil sample is reduced, and the device is convenient to operate and high in efficiency.

The technical scheme adopted by the utility model is as follows: the utility model provides a fluid pressure type soil sample moves back appearance device, including the soil sampler body and the soil sample box in the soil sampler body, its characterized in that: the device also comprises a frame with an opening at the upper end; a transverse expansion device is arranged on the frame; the output end of the telescopic device is connected with an extension rod; the frame is rotatably connected with an annular top frame through a top frame rotating shaft, and the annular top frame is correspondingly matched with the extension rod; the annular top frame is in clamping fit with the soil sampler body; the extension rod is correspondingly matched with the soil sampler body.

Further optimizing the technical scheme, the telescopic device of the hydraulic soil sample withdrawal device comprises a hydraulic oil cylinder; the left end of the hydraulic cylinder is fixedly connected with the frame through a fixed plate; the upper end of the hydraulic cylinder is communicated with two oil pressure interfaces; the piston at the right end of the hydraulic cylinder is fixedly connected with the extension rod.

Further optimize this technical scheme, a fluid pressure type soil sample moves back frame lower extreme of appearance device and is provided with the landing leg.

Further optimize this technical scheme, a fluid pressure type soil sample moves back between extension rod and the piston of appearance device through adjustable telescopic link fixed connection.

Further optimizing the technical scheme, the inner side of the annular top frame of the hydraulic soil sample withdrawal device is provided with an inner bolt matched with the soil sampler body; the inner side diameter of the annular top frame is larger than the diameter of the soil sample box.

Further optimize this technical scheme, a fluid pressure type soil sample moves back interior fixedly connected with of frame of appearance device and geotome body complex support.

Compared with the traditional soil sample withdrawal device, the utility model has the beneficial effects that:

1. the annular top frame, the soil sampler body, the top frame rotating shaft, the frame, the hydraulic oil cylinder, the piston, the extension rod and the soil sample box are matched, so that a soil sample can be conveniently taken out;

2. the extension rod and the piston are fixedly connected through the adjustable telescopic rod, so that the length can be conveniently adjusted to push out the soil sample box better, the soil sample box can be prevented from being pushed out too short in distance, the exposed part is too short, and the soil sample box is inconvenient to take out;

3. an inner bolt matched with the soil sampler body is arranged on the inner side of the annular top frame, so that the inner bolt is convenient to connect with the soil sampler body with external threads, and is convenient to fix and use; the outside of geotome body is conveniently supported in the setting of support.

Drawings

FIG. 1 is a side view of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a left side view of the annular top frame of the present utility model;

FIG. 4 is a schematic view of the structure of the annular top frame of the present utility model;

in the figure, 1, a soil sampler body; 2. a soil sample box; 3. a frame; 4. an extension rod; 5. a top frame rotating shaft; 6. an annular top frame; 7. a hydraulic cylinder; 8. a fixing plate; 9. an oil pressure interface; 10. a support leg; 11. a bracket; 12. and (3) a piston.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description.

As shown in fig. 1-4, a hydraulic soil sample withdrawal device comprises a soil sampler body 1 and a soil sample box 2 in the soil sampler body 1, and is characterized in that: a frame 3 with an open upper end is also included; a transverse telescopic device is arranged on the frame 3; the output end of the telescopic device is connected with an extension rod 4; the frame 3 is rotatably connected with an annular top frame 6 through a top frame rotating shaft 5, and the annular top frame 6 is correspondingly matched with the extension rod 4; the annular top frame 6 is matched with the soil sampler body 1 in a clamping way; the extension rod 4 is correspondingly matched with the soil sampler body 1; the telescopic device comprises a hydraulic cylinder 7; the left end of the hydraulic cylinder 7 is fixedly connected with the frame 3 through a fixing plate 8; the upper end of the hydraulic cylinder 7 is communicated with two oil pressure interfaces 9; the piston 12 at the right end of the hydraulic cylinder 7 is fixedly connected with the extension rod 4; the lower end of the frame 3 is provided with a supporting leg 10; the extension rod 4 is fixedly connected with the piston 12 through an adjustable telescopic rod; an inner bolt matched with the soil sampler body 1 is arranged on the inner side of the annular top frame 6; the inner side diameter of the annular top frame 6 is larger than the diameter of the soil sample box 2; the frame 3 is fixedly connected with a bracket 11 matched with the soil sampler body 1.

When in use, the hydraulic cylinder 7 is transversely fixed on the frame 3 through the fixing plate 8 and is fixed at the left end of the frame 3, and the hydraulic pump is externally connected through the oil pressure interface 9 on the hydraulic cylinder 7;

then the annular top frame 6 is rotated to enable an opening of the annular top frame 6 to face upwards, then the soil sampler body 1 taken out of a drill hole is sleeved into the annular top frame 6, then the soil sampler body 1 and the annular top frame 6 connected with the soil sampler body 1 are rotated, through the arrangement of the top frame rotating shaft 5, the soil sampler body 1 and the annular top frame 6 are rotated and put on the frame 3 through the top frame rotating shaft 5, at the moment, the piston 12 of the soil sampler body 1 and the piston 12 of the hydraulic cylinder 7 are arranged on an axis, then an external hydraulic pump is started, the piston 12 on the hydraulic cylinder 7 drives the extension rod 4 to move, the extension rod 4 is propped against the soil sample plane in the soil sampler body 1 after moving, and is slowly propped in, the soil sample box 2 is slowly pushed out, generally after 15cm-20cm is pushed out, the soil sample box 2 can be manually taken out, two ends of the soil sample are cut and sealed, the operation is completed, and then the hydraulic pump is started to enable the piston 12 on the hydraulic cylinder 7 to return to a starting state, so that the soil sample is conveniently taken out;

the extension rod 4 is fixedly connected with the piston 12 through an adjustable telescopic rod, the distance between the extension rod 4 and the piston 12 can be controlled by adjusting the length of the telescopic rod, when the distance is far, the longer the distance between the extension rod 4 and the piston 12 is, the closer the distance between the extension rod 4 and the piston 12 is, the better the soil sample box 2 is pushed out by conveniently adjusting the length, and the soil sample box 2 is prevented from being pushed out too short, and the exposed part is too short and inconvenient to take out;

an inner bolt matched with the soil sampler body 1 is arranged on the inner side of the annular top frame 6, so that the inner bolt is conveniently connected with the soil sampler body 1 provided with external threads, and is convenient and better to fix and use; the support 11 is provided to conveniently support the outside of the geotome body 1.

It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.

Claims

1. The utility model provides a fluid pressure type soil sample moves back appearance device, includes soil sampler body (1) and soil sampler body (1) interior soil sample box (2), its characterized in that: the device also comprises a frame (3) with an opening at the upper end; a transverse expansion device is arranged on the frame (3); the output end of the telescopic device is connected with an extension rod (4); an annular top frame (6) is rotatably connected to the frame (3) through a top frame rotating shaft (5), and the annular top frame (6) is correspondingly matched with the extension rod (4); the annular top frame (6) is in clamping fit with the soil sampler body (1); the extension rod (4) is correspondingly matched with the soil sampler body (1).

2. The hydraulic soil sample withdrawal device according to claim 1, wherein: the telescopic device comprises a hydraulic cylinder (7); the left end of the hydraulic cylinder (7) is fixedly connected with the frame (3) through a fixed plate (8); the upper end of the hydraulic cylinder (7) is communicated with two oil pressure interfaces (9);

the piston (12) at the right end of the hydraulic oil cylinder (7) is fixedly connected with the extension rod (4).

3. The hydraulic soil sample withdrawal device according to claim 1, wherein: the lower end of the frame (3) is provided with a supporting leg (10).

4. The hydraulic soil sample withdrawal device according to claim 2, wherein: the extension rod (4) is fixedly connected with the piston (12) through an adjustable telescopic rod.

5. The hydraulic soil sample withdrawal device according to claim 1, wherein: an inner bolt matched with the soil sampler body (1) is arranged on the inner side of the annular top frame (6); the inner side diameter of the annular top frame (6) is larger than the diameter of the soil sample box (2).

6. The hydraulic soil sample withdrawal device according to claim 1, wherein: the frame (3) is fixedly connected with a bracket (11) matched with the soil sampler body (1).