CN215865881U - Vibration sampler - Google Patents
Vibration sampler Download PDFInfo
- Publication number
- CN215865881U CN215865881U CN202121466149.0U CN202121466149U CN215865881U CN 215865881 U CN215865881 U CN 215865881U CN 202121466149 U CN202121466149 U CN 202121466149U CN 215865881 U CN215865881 U CN 215865881U
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- hydraulic cylinder
- oil
- sampling tube
- rotary valve
- valve
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model provides a vibration sampler, comprising: rotary valve, hydraulic cylinder and sampling tube; a piston piece is arranged in the hydraulic cylinder and divides the interior of the hydraulic cylinder into an upper cavity and a lower cavity; a spring is arranged in the lower chamber of the hydraulic cylinder and is positioned between the bottom surface of the piston piece and the bottom surface of the lower chamber; the rotary valve is provided with an oil inlet, an oil outlet and an oil delivery port, the oil inlet of the rotary valve is connected with the hydraulic pump, the oil outlet of the rotary valve is connected with an oil tank, and the oil delivery port of the rotary valve is communicated with the upper cavity of the hydraulic cylinder through an oil delivery pipe; the sampling tube is arranged at the bottom of the hydraulic cylinder, a one-way valve is arranged in the sampling tube, and the one-way valve is positioned at the lower end of the sampling tube; and one end of the sampling tube, which is close to the hydraulic cylinder, is provided with a vent hole. The vibration sampler can increase the vibration frequency and improve the soil sampling efficiency.
Description
Technical Field
The utility model relates to the technical field of soil body sampling, in particular to a vibration sampler.
Background
In the geological survey in-process, need detect the underground soil of this region in order to know the characteristic of this region soil, then need go to gather soil and carry out the soil sample promptly to the destination before soil is detected in the underground, when carrying out the soil sample at present, the sampling process is comparatively troublesome, wastes time and energy.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, the present invention provides a vibration sampler with high vibration frequency and high soil sampling efficiency.
To achieve the above and other related objects, the present invention provides a vibration sampler comprising: rotary valve, hydraulic cylinder and sampling tube;
a piston piece is arranged inside the hydraulic cylinder and divides the inside of the hydraulic cylinder into an upper chamber and a lower chamber; a spring is arranged in a lower chamber of the hydraulic cylinder and is positioned between the bottom surface of the piston piece and the bottom surface of the lower chamber;
the rotary valve is provided with an oil inlet, an oil outlet and an oil delivery port, the oil inlet of the rotary valve is connected with the hydraulic pump, the oil outlet of the rotary valve is connected with an oil tank, and the oil delivery port of the rotary valve is communicated with the upper cavity of the hydraulic cylinder through an oil delivery pipe;
the sampling tube is arranged at the bottom of the hydraulic cylinder, a one-way valve is arranged in the sampling tube, and the one-way valve is positioned at the lower end of the sampling tube;
and one end of the sampling tube, which is close to the hydraulic cylinder, is provided with a vent hole.
Preferably, the vibration sampler further comprises a balancing weight arranged at the top of the hydraulic cylinder, and the oil conveying pipe penetrates through the balancing weight and is communicated with the upper cavity of the hydraulic cylinder.
Preferably, the check valve includes a valve and a base, the base is fixed to the inside of the sampling tube, and the valve is hinged to the base.
Preferably, the outer side surface of the lower end of the sampling tube is provided with a conical chamfer.
As described above, the vibration sampler of the present invention has the following beneficial effects:
when the vibration sampler works, hydraulic oil delivered by the hydraulic pump drives the rotary valve to rotate, and the upper chamber of the hydraulic cylinder is alternately communicated with the hydraulic pump and the oil tank when the rotary valve rotates; when the hydraulic pump is communicated with the upper chamber of the hydraulic cylinder, the piston piece moves downwards; when the oil tank is communicated with the upper cavity of the hydraulic cylinder, the piston piece moves upwards; repeated vibration is realized, and the vibration frequency can be increased only by increasing the oil pumping frequency of the hydraulic pump, so that the soil taking efficiency is improved; the sampler is pressed into soil under the action of vibration, the soil enters the sampling pipe through the one-way valve and cannot flow out, the soil in the sampling pipe is effectively prevented from falling off in the process of taking out the sampler, and the integrity of the sampled soil is ensured; the hydraulic oil of the sampler only passes through the upper cavity of the hydraulic cylinder, and the oil circuit is controlled more simply.
Drawings
Fig. 1 is a schematic structural diagram of a vibration sampler according to the present embodiment.
Fig. 2 is a schematic sectional view taken along the direction a-a in fig. 1.
Fig. 3 is an enlarged schematic view of the structure at B in fig. 2.
Fig. 4 is a schematic view showing a configuration in which a rotary valve of the vibration sampler of the present embodiment connects a hydraulic pump, an oil tank, and an oil feed pipe.
Description of the reference numerals
10 oil pipeline
100 rotary valve
110 oil inlet
120 oil drain port
130 oil delivery port
200 hydraulic cylinder
210 piston element
220 upper chamber
230 lower chamber
300 sampling tube
310 air vent
320 conical chamfer
400 spring
500 hydraulic pump
600 oil tank
700 check valve
710 valve
720 base
800 counterweight block
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to the attached drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1 to 4, the vibration sampler of the present embodiment includes: a rotary valve 100, a hydraulic cylinder 200 and a sampling tube 300;
a piston member 210 is provided inside the hydraulic cylinder 200, and the piston member 210 divides the inside of the hydraulic cylinder 200 into an upper chamber 220 and a lower chamber 230; a spring 400 is arranged in the lower chamber 230 of the hydraulic cylinder 200, and the spring 400 is positioned between the bottom surface of the piston member 210 and the bottom surface of the lower chamber 230;
the rotary valve 100 is provided with an oil inlet 110, an oil discharge port 120 and an oil delivery port 130, the oil inlet 110 of the rotary valve 100 is connected to the hydraulic pump 500, the oil discharge port 120 of the rotary valve 100 is connected to the oil tank 600, and the oil delivery port 130 of the rotary valve 100 is communicated with the upper chamber 220 of the hydraulic cylinder 200 through the oil delivery pipe 10;
the sampling tube 300 is arranged at the bottom of the hydraulic cylinder 200, a one-way valve 700 is arranged in the sampling tube 300, and the one-way valve 700 is arranged at the lower end of the sampling tube 300;
the end of the sampling tube 300 adjacent to the cylinder 200 is provided with a vent 310.
When the vibration sampler works, the hydraulic oil delivered by the hydraulic pump 500 drives the rotary valve 100 to rotate, the upper chamber 220 of the hydraulic cylinder 200 is alternately communicated with the hydraulic pump 500 and the oil tank 600 in the rotating process of the rotary valve 100, when the hydraulic pump 500 is communicated with the upper chamber 220 of the hydraulic cylinder 200, the hydraulic oil enters the upper chamber 220, the piston member 210 moves downwards, and the spring 400 is compressed; when the oil tank 600 communicates with the upper chamber of the hydraulic cylinder 200, hydraulic oil is discharged outward from the upper chamber 220, and the piston member 210 is moved upward by the restoring force of the spring 400; repeated vibration is realized, and the vibration frequency can be increased only by increasing the oil pumping frequency of the hydraulic pump 500, so that the soil taking efficiency is improved; the vibration sampler is pressed into soil under the action of vibration, the soil enters the sampling tube 300 through the one-way valve 700 and cannot flow out, the one-way valve 700 plugs the bottom of the sampling tube 300, the soil in the sampling tube 300 is effectively prevented from falling off in the process of taking out the vibration sampler, and the integrity of the sampled soil is ensured; the hydraulic oil of the vibration sampler only passes through the upper cavity of the hydraulic cylinder 200, and the oil circuit is controlled more simply. During depression of the vibrating probe, water and air in the probe tube 300 are discharged through the vent holes 310.
The vibration sampler further comprises a balancing weight 800 arranged at the top of the hydraulic cylinder 200, and the oil delivery pipe 10 passes through the balancing weight 800 and is communicated with the upper chamber 220 of the hydraulic cylinder 200. The weight 800 can increase the force of the downward movement of the sampler. In this embodiment, in order to make the structure of the vibration sampler more compact, the oil pipeline 10 is a vertically arranged pipe fitting.
The check valve 700 includes a valve 710 and a base 720, the base 720 is fixed inside the sampling tube 300, the valve 710 is hinged to the base 720, and the base 720 supports the valve 710. This structure enables the one-way valve 700 to be stably disposed inside the sampling tube 300.
The outer side surface of the lower end of the sampling tube 300 is provided with a tapered chamfer 320. The tapered chamfer 320 facilitates entry of the sampling tube 300 into the soil.
In conclusion, the present invention effectively overcomes various disadvantages of the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (4)
1. A vibration sampler, comprising: a rotary valve (100), a hydraulic cylinder (200) and a sampling tube (300); a piston piece (210) is arranged inside the hydraulic cylinder (200), and the piston piece (210) divides the inside of the hydraulic cylinder (200) into an upper chamber (220) and a lower chamber (230); a spring (400) is arranged in a lower chamber (230) of the hydraulic cylinder (200), and the spring (400) is positioned between the bottom surface of the piston piece (210) and the bottom surface of the lower chamber (230);
an oil inlet (110), an oil outlet (120) and an oil delivery port (130) are formed in the rotary valve (100), the oil inlet (110) of the rotary valve (100) is connected with the hydraulic pump (500), the oil outlet (120) of the rotary valve (100) is connected with an oil tank (600), and the oil delivery port (130) of the rotary valve (100) is communicated with an upper chamber (220) of the hydraulic cylinder (200) through an oil delivery pipe (10);
the sampling tube (300) is arranged at the bottom of the hydraulic cylinder (200), a one-way valve (700) is arranged in the sampling tube (300), and the one-way valve (700) is positioned at the lower end of the sampling tube (300);
and a vent hole (310) is formed in one end, close to the hydraulic cylinder (200), of the sampling tube (300).
2. The vibratory sampler of claim 1, wherein: the oil delivery pipe (10) penetrates through the balancing weight (800) and is communicated with the upper chamber (220) of the hydraulic cylinder (200).
3. The vibratory sampler of claim 1, wherein: the check valve (700) comprises a valve (710) and a base (720), the base (720) is fixed inside the sampling tube (300), and the valve (710) is hinged with the base (720).
4. The vibratory sampler of claim 1, wherein: the outer side surface of the lower end of the sampling tube (300) is provided with a conical chamfer (320).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121466149.0U CN215865881U (en) | 2021-06-29 | 2021-06-29 | Vibration sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121466149.0U CN215865881U (en) | 2021-06-29 | 2021-06-29 | Vibration sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215865881U true CN215865881U (en) | 2022-02-18 |
Family
ID=80335822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121466149.0U Active CN215865881U (en) | 2021-06-29 | 2021-06-29 | Vibration sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215865881U (en) |
-
2021
- 2021-06-29 CN CN202121466149.0U patent/CN215865881U/en active Active
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