CN211602558U

CN211602558U - A groundwater sampling instrument for engineering geology detects

Info

Publication number: CN211602558U
Application number: CN202020110322.2U
Authority: CN
Inventors: 宫凤梧; 王满仓; 刘月东
Original assignee: Zhangjiakou Jidi Engineering Technology Co ltd
Current assignee: Zhangjiakou Jidi Engineering Technology Co ltd
Priority date: 2020-01-18
Filing date: 2020-01-18
Publication date: 2020-09-29
Anticipated expiration: 2030-01-18

Abstract

The utility model discloses a groundwater sampling tool for engineering geology detects, including the sampling tube, the lower extreme of sampling tube is connected with the toper pipe through screw-thread fit, the bottom of toper pipe is sealed most advanced, the outside upper end of sampling tube is fixed with outer metal lagging, the cylinder is connected with outer metal lagging through fixing bolt and is fixed, the outer wall lower extreme of sampling tube is that the welding has the metal spacer net in annular parcel, the inside lower extreme of sampling tube promotes and is provided with the piston, the outer wall of piston plugs up the inlet opening, the lower extreme of locating plate and the upper end of piston are laminated and are connected fixedly through positioning bolt; the utility model discloses the work of getting water that can be more convenient, this sampling tool's structure and easy operation, volume are less, more light, the sample of the different degree of depth groundwater of completion that can be very quick, and the practicality is strong.

Description

A groundwater sampling instrument for engineering geology detects

Technical Field

The utility model relates to an engineering detects technical field, specifically is a groundwater sampling tool for engineering geology detects.

Background

Engineering geological detection usually needs to carry out sampling investigation on underground water, at present, a depth-fixed sampler is mainly used for sampling deep underground water, or a method for pumping water and sampling by directly pumping water in an observation hole is adopted, most of obtained water samples are surface water samples or mixed water samples, the obtained water samples have strong layering property for underground water or other water samples with certain depth, the pollution degree difference of the water samples with different depths is large, and the existing underground water sampler is complex in structure, large in size, complex to operate and difficult to sample; to this end, we propose a groundwater sampling tool for engineering geological detection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a groundwater sampling tool for engineering geology detects to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a groundwater sampling tool for engineering geological detection comprises a sampling tube, wherein the lower end of the sampling tube is connected with a conical tube through thread fit, the bottom of the conical tube is a sealed tip, an outer metal sleeve plate is fixed at the upper end of the outer side of the sampling tube, an inverted U-shaped steel plate is welded at the upper end of the outer metal sleeve plate, a manganese steel plate is welded at the upper end of a transverse plate of the inverted U-shaped steel plate, an air cylinder is arranged at the upper end of the outer metal sleeve plate in a U-shaped groove of the inverted U-shaped steel plate and is fixedly connected with the outer metal sleeve plate through a fixing bolt, a pressure rod is fixedly connected with the end part of the output end of the air cylinder and extends into the sampling tube, a positioning plate at the lower end of the pressure rod is welded, a plurality of water inlet holes are formed in the lower end of the sampling tube along an annular wall, a metal separation net is welded, the inside lower extreme of sampling tube promotes and is provided with the piston, the outer wall of piston plugs up the inlet opening, the lower extreme of locating plate and the upper end laminating of piston are fixed through positioning bolt connection.

Preferably, the welding of the department of the upper port of conical duct has the external screw thread takeover, the inner wall lower extreme of sampling tube is provided with the internal thread, the cooperation of external screw thread takeover is screwed up in internal thread department.

Preferably, the setting of outer metal lagging is square steel sheet, the round hole has been seted up at the middle part of outer metal lagging, outer metal lagging establishes and welds in the outside upper end of sampling tube through the round hole cover, and the upper end of outer metal lagging and the upper end of sampling tube keep the same level.

Preferably, connecting plates are welded at the end part of the output end of the cylinder and the end part of the upper end of the pressure rod, and the two connecting plates are mutually attached and fixed through a connecting bolt.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, this groundwater sampling tool is when taking a sample to groundwater, only need squeeze into soil through the toper pipe with the sampling tube, when the inlet opening department reachd the water intaking degree of depth, accessible control cylinder drives the piston upward movement and breaks away from the inlet opening, inlet opening department is negative pressure state this moment, can suck groundwater into the sampling tube, and flow to the toper pipe by the influence of gravity, the metal spacer net that sets up can filter most earth, after the sample is accomplished, control cylinder drives the piston upward movement to original position, block up the inlet opening, then dial out the instrument from soil, dismantle the toper pipe from the bottom of sampling pipe, and pour out the sample water in the toper pipe can; the utility model discloses the work of getting water that can be more convenient, this sampling tool's structure and easy operation, volume are less, more light, the sample of the different degree of depth groundwater of completion that can be very quick, and the practicality is strong.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic structural diagram of the point B in fig. 1 according to the present invention.

In the figure: the sampling tube comprises a sampling tube 1, a conical tube 2, a pressure rod 3, a cylinder 4, an inverted U-shaped steel plate 5, a manganese steel plate 6, an external threaded connecting pipe 7, a piston 8, a water inlet hole 9, a metal separation net 10, a positioning plate 11, a positioning bolt 12, an external metal sleeve plate 13, a fixing bolt 14, a connecting plate 15 and a connecting bolt 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a groundwater sampling tool for engineering geological detection comprises a sampling tube 1, wherein the lower end of the sampling tube 1 is connected with a conical tube 2 in a threaded fit mode, an external thread connecting tube 7 is welded at the upper opening of the conical tube 2, internal threads are arranged at the lower end of the inner wall of the sampling tube 1, the external thread connecting tube 7 is screwed at the internal threads in a fit mode, so that the conical tube 2 can be screwed off the sampling tube 1, the bottom of the conical tube 2 is a sealed tip, and the tip is used for being inserted into soil;

an outer metal sleeve plate 13 is fixed at the upper end of the outer side of the sampling tube 1, the outer metal sleeve plate 13 is a square steel plate, a round hole is formed in the middle of the outer metal sleeve plate 13, the outer metal sleeve plate 13 is sleeved and welded at the upper end of the outer side of the sampling tube 1 through the round hole, the upper end of the outer metal sleeve plate 13 is flush with the upper end of the sampling tube 1, an inverted U-shaped steel plate 5 is welded at the upper end of the outer metal sleeve plate 13, a manganese steel plate 6 is welded at the upper end of a transverse plate of the inverted U-shaped steel plate 5, the manganese steel plate 6 can be hammered by using tools such as a hammer and the like, and the sampling tube 1 can be hammered;

the upper end of the outer metal sleeve plate 13 is positioned in a U-shaped groove of the inverted U-shaped steel plate 5 and is provided with an air cylinder 4, the air cylinder 4 is fixedly connected with the outer metal sleeve plate 13 through a fixing bolt 14, the end part of the output end of the air cylinder 4 extends into the sampling tube 1 and is fixedly connected with a pressure rod 3, the end part of the output end of the air cylinder 4 and the end part of the upper end of the pressure rod 3 are both welded with connecting plates 15, the two connecting plates 15 are mutually attached and are fixedly connected through a connecting, so that the installation and the disassembly are more convenient, the lower end of the pressure lever 3 is welded with the positioning plate 11, the lower end of the sampling tube 1 is provided with a plurality of water inlet holes 9 along the annular wall, the lower end of the outer wall of the sampling tube 1 is annularly wrapped and welded with the metal separation net 10, the metal separation net 10 covers the water inlet hole 9, the piston 8 is arranged at the lower end of the inner part of the sampling tube 1 in a pushing mode, the water inlet hole 9 is blocked by the outer wall of the piston 8, and the lower end of the positioning plate 11 is attached to the upper end of the piston 8 and is fixedly connected with the upper end of the piston 8 through a positioning bolt 12; this groundwater sampling tool is when taking a sample to groundwater, only need squeeze into soil through conical tube 2 with sampling tube 1, when inlet opening 9 locates to reach the water intaking degree of depth, accessible control cylinder 4 drives piston 8 upward movement and breaks away from inlet opening 9, inlet opening 9 department is negative pressure state this moment, can inhale during groundwater sampling tube 1, and flow to conical tube 2 by the influence of gravity, the metal that sets up separates net 10 and can filter most earth, the sample is accomplished the back, control cylinder 4 drives piston 8 upward movement to original position, block up inlet opening 9, then dial out the instrument from soil, dismantle conical tube 2 from the bottom of sampling tube 1, and with the water intaking in conical tube 2 pour out can, can be more convenient carry out work.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A groundwater sampling tool for engineering geology detection, includes sampling tube (1), its characterized in that: the lower extreme of sampling tube (1) is connected with conical tube (2) through screw-thread fit, the bottom of conical tube (2) is sealed most advanced, the outside upper end of sampling tube (1) is fixed with outer metal lagging (13), the upper end welding of outer metal lagging (13) has type of falling U steel sheet (5), and the diaphragm upper end welding of type of falling U steel sheet (5) has manganese steel sheet (6), the upper end of outer metal lagging (13) is located the U type groove of type of falling U steel sheet (5) and is provided with cylinder (4), cylinder (4) are connected fixedly through fixing bolt (14) and outer metal lagging (13), the output tip of cylinder (4) extends to fixedly connected with depression bar (3) in sampling tube (1), the lower extreme welding of depression bar (3) has locating plate (11), a plurality of inlet opening (9) have been seted up along the annular wall to the lower extreme of sampling tube (1), the outer wall lower extreme of sampling tube (1) is that the welding of annular parcel has metal to separate net (10), and the metal separates net (10) and covers inlet opening (9), the inside lower extreme promotion of sampling tube (1) is provided with piston (8), the outer wall of piston (8) is plugged up inlet opening (9), the lower extreme of locating plate (11) is laminated and is connected fixedly through positioning bolt (12) with the upper end of piston (8).

2. A groundwater sampling tool for engineering geological testing as claimed in claim 1, wherein: the welding of the department of the upper mouth of conical duct (2) has external screw thread to take over (7), the inner wall lower extreme of sampling tube (1) is provided with the internal thread, internal thread department is screwed up in the cooperation of external screw thread take over (7).

3. A groundwater sampling tool for engineering geological testing as claimed in claim 1, wherein: the utility model discloses a sampling tube, including outer metal sheathing board (13), the round hole has been seted up to the middle part of outer metal sheathing board (13), outer metal sheathing board (13) are established and are welded in the outside upper end of sampling tube (1) through the round hole cover, and the upper end of outer metal sheathing board (13) is held level with the upper end of sampling tube (1).

4. A groundwater sampling tool for engineering geological testing as claimed in claim 1, wherein: connecting plates (15) are welded at the end part of the output end of the air cylinder (4) and the end part of the upper end of the pressure lever (3), and the two connecting plates (15) are mutually attached and are fixedly connected through a connecting bolt (16).