CN212674524U

CN212674524U - Groundwater sampler for engineering geological exploration

Info

Publication number: CN212674524U
Application number: CN202021344403.5U
Authority: CN
Inventors: 王真真
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-03-09
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses a groundwater sampler for engineering geological exploration, which can simultaneously carry out two-stage sampling on groundwater with the same depth, reserve a real water sample and filter the water sample, and is convenient for detecting the quality of the groundwater, and is characterized in that a sampling cylinder and an outer sliding cylinder are sleeved with each other, a main sliding chute is arranged on the outer side surface of the sampling cylinder, a main water inlet groove is arranged on the outer side surface of the sampling cylinder near the top end, the main water inlet groove is positioned above the main sliding chute, an auxiliary sliding chute symmetrical to the main sliding chute is arranged on the outer side surface of the sampling cylinder, an auxiliary water inlet groove is arranged on the outer side surface of the sampling cylinder, the auxiliary water inlet groove is positioned above the auxiliary sliding chute, a filter screen is arranged in the auxiliary water inlet groove, two lifting rings are arranged at the top of the sampling cylinder, a main limiting plate is arranged at the bottom of the outer sliding cylinder, the main limiting plate is arranged in the, the outer sliding barrel is provided with a main through groove, the main through groove corresponds to the main water inlet groove, and the outer sliding barrel is provided with an auxiliary through groove.

Description

Groundwater sampler for engineering geological exploration

Technical Field

The utility model relates to an engineering geological exploration is with groundwater sampler relates to a groundwater sampler for engineering geological exploration, belongs to the exploration equipment field. In particular to an underground water sampler for engineering geological exploration, which can simultaneously carry out two-stage sampling on underground water with the same depth, reserve a real water sample and filter the water sample, and facilitate the detection of the quality of the underground water.

Background

At present, the current sampling mode when carrying out groundwater sampling adopts the sampling tube to take a sample to the water of depthkeeping, but the impurity that exists in this kind of sampling mode water when taking a sample mixes in the sampling aquatic equally, in the time of follow-up adoption instrument analysis and detection, the quality of water that these content impurity are many blocks up the detecting instrument pipeline easily, cause the influence, when filtering grouping again after the sample, the grouping transfer in-process, there is certain influence to the detection precision of water, and directly adopt the filter screen structure during the sample, can influence water quality testing's accuracy again, thereby can't accurately judge the true quality of water condition of groundwater.

Notice No. CN209432517U discloses a deep groundwater monitoring well blind sight condition depthkeeping water quality sampling device, including the sample barrel, the sample barrel is cylindrical structure, the upper end of sample barrel is provided with sample barrel roof, the spring assembly is installed to the lower extreme of sample barrel roof, the central point of sample barrel roof puts and is provided with piston control apron, the electro-magnet is installed to piston control apron's below, the electro-magnet is the annular, and electro-magnet internally mounted has the piston transfer line, two copper spring pieces are installed to sample barrel roof downside, the lower extreme of piston transfer line is provided with the copper ball, the lower extreme of copper ball is provided with the piston, the lower extreme of sample barrel is provided with the lower cover, the central point of lower cover is provided with the water inlet, this sampling device can't carry out the sample in grades to the sample water, contain the too much quality of.

Notice No. CN208636093U discloses groundwater sampling device, which comprises an outer shell, the equal fixed mounting in the left and right sides of shell has the handle, the top fixed mounting of shell has the cap, the mounting groove has all been seted up to the left and right sides wall of shell, and its filtration of the device can filter sample quality of water impurity, influences the judgement of personnel to the real quality of water of groundwater.

Disclosure of Invention

In order to improve the condition, the utility model relates to an engineering geological exploration is with groundwater sampler provides one kind and can carry out the doublestage sample simultaneously to same degree of depth groundwater, reserves true water sample and filtration water sample, groundwater sampler for engineering geological exploration of the groundwater quality of being convenient for detection.

The utility model relates to an engineering geological exploration is with groundwater sampler is realized like this: the utility model relates to an engineering geological exploration groundwater sampler comprises a main body device and a water drawing device, wherein the main body device comprises a connecting block, lifting rings, an outer sliding cylinder, a main through groove, a main sliding groove, a sampling cylinder, a connecting frame, a filter screen, an auxiliary limiting plate, a main water inlet groove, an auxiliary through groove, an auxiliary sliding groove and a main limiting plate, the sampling cylinder is sleeved with the outer sliding cylinder, the outer side surface of the sampling cylinder is provided with the main sliding groove, the outer side surface of the sampling cylinder is provided with the main water inlet groove near the top end, the main water inlet groove is positioned above the main sliding groove, the outer side surface of the sampling cylinder is provided with the auxiliary sliding groove symmetrical to the main sliding groove, the outer side surface of the sampling cylinder is provided with the auxiliary water inlet groove, the auxiliary water inlet groove is positioned above the auxiliary sliding groove, the filter screen is arranged in the auxiliary water inlet groove, the top of the sampling cylinder is provided with two lifting, the auxiliary limiting plate is arranged in an auxiliary sliding groove, a main through groove is formed in an outer sliding cylinder, the main through groove corresponds to a main water inlet groove, an auxiliary through groove is formed in the outer sliding cylinder, the auxiliary through groove corresponds to an auxiliary water inlet groove, a connecting block is arranged at the center of the top of the outer sliding cylinder, the connecting block is connected with the top of the outer sliding cylinder through a connecting frame, the water drawing device comprises a main sampling lifting ring, a water inlet cavity, a main piston rod, a sliding rod, an auxiliary gear, an auxiliary piston, a main piston rod groove, a sliding rod groove, an auxiliary gear groove, a main gear groove, an auxiliary piston rod groove, a main piston, an auxiliary water inlet cavity and an auxiliary piston rod, the sliding rod groove is formed in the center of a sampling cylinder, one end of the sliding rod is arranged in the sliding rod groove, the other end of the sliding rod penetrates through the connecting block to extend upwards for a certain distance, the other end of the sliding rod is provided with the sampling, the main gear groove is internally provided with a main gear, the main gear is meshed with a slide rod, an auxiliary gear groove is arranged in the lower section of the sampling cylinder, the auxiliary gear groove is communicated with the slide rod groove, the auxiliary gear groove is symmetrical to the main gear groove, an auxiliary gear is arranged in the auxiliary gear groove, the auxiliary gear is meshed with the slide rod, the lower section of the sampling cylinder is provided with a main piston rod groove, the main piston rod groove is communicated with the main gear groove, the lower section of the sampling cylinder is provided with an auxiliary piston rod groove, the auxiliary piston rod groove is communicated with the slide rod groove, the upper section of the sampling cylinder is provided with a cylindrical main cavity, a circular main piston is arranged in the main cavity, the main cavity is divided into an upper part and a lower part by the main piston, the upper part of the main cavity is provided with a main water inlet cavity communicated with the main water inlet groove, the lower part of the main cavity is provided with a main movable cavity communicated with the main piston rod groove, the main piston rod is arranged at the bottom, the utility model discloses a sampling cylinder, including a main piston rod, a sampling cylinder, an auxiliary cavity, an auxiliary piston rod, a main gear, a water inlet groove, a connecting block, a lifting rod, a sealing ring, a seal ring, the auxiliary piston edge has equally been put to auxiliary piston edge, main intake groove notch area is greater than auxiliary intake groove notch area, auxiliary cavity and main cavity are symmetrical, the auxiliary cavity embeds there is the circular shape to assist the piston, two parts about the cavity divide into will be assisted to the auxiliary piston, the cavity top is assisted the intake chamber, and assist the intake chamber and assist the intake groove and be linked together, the branch is assisted the movable chamber down, and assist movable chamber and auxiliary piston rod groove and communicate mutually, the auxiliary piston rod has been put to the auxiliary piston bottom, and the auxiliary piston rod extends to the auxiliary piston rod inslot.

Has the beneficial effects.

The method has the advantages that the two-stage sampling can be performed on underground water with the same depth, a real water sample and a filtered water sample are obtained simultaneously, and the subsequent water body storage and detection are facilitated.

Secondly, the device has simple structure and convenient use.

Drawings

Figure 1 the utility model relates to a three-dimensional structure chart of groundwater sampler for engineering geological exploration.

Fig. 2 the utility model relates to a structural schematic diagram of groundwater sampler for engineering geological exploration.

Figure 3 the utility model relates to a three-dimensional structure chart when groundwater sampler uses for engineering geological exploration.

In the attached drawings

Wherein the method comprises the following steps: sampling rings 1, connecting blocks 2, lifting rings 3, an outer sliding cylinder 4, a main through groove 5, a main sliding groove 6, a sampling cylinder 7, a connecting frame 8, a main water inlet cavity 9, a filter screen 10, a main piston rod 11, a sliding rod 12, an auxiliary gear 13, an auxiliary limiting plate 14, an auxiliary piston 15, a main piston rod groove 16, a sliding rod groove 17, an auxiliary gear groove 18, a main water inlet groove 19, a main gear groove 20, an auxiliary piston rod groove 21, a main piston 22, an auxiliary water inlet cavity 23, an auxiliary water inlet groove 24, an auxiliary through groove 25, an auxiliary sliding groove 26, an auxiliary piston rod 27 and a main limiting plate 28.

The specific implementation mode is as follows:

the utility model relates to an engineering geological exploration is with groundwater sampler is realized like this: the utility model relates to a groundwater sampler for engineering geological exploration, which comprises a main body device and a water drawing device, wherein the main body device comprises a connecting block 2, lifting rings 3, an outer slide cylinder 4, a main through groove 5, a main chute 6, a sampling cylinder 7, a connecting frame 8, a filter screen 10, an auxiliary limiting plate 14, a main water inlet groove 19, an auxiliary water inlet groove 24, an auxiliary through groove 25, an auxiliary chute 26 and a main limiting plate 28, the sampling cylinder 7 is sleeved with the outer slide cylinder 4, the outer side surface of the sampling cylinder 7 is provided with the main chute 6, the outer side surface of the sampling cylinder 7 is provided with the main water inlet groove 19 near the top end, the main water inlet groove 19 is positioned above the main chute 6, the outer side surface of the sampling cylinder 7 is provided with the auxiliary chute 26 symmetrical to the main chute 6, the outer side surface of the sampling cylinder 7 is provided with the auxiliary water inlet groove 24, the auxiliary water inlet groove 24 is positioned above the auxiliary chute 26, the filter screen 10 is arranged in the, the bottom of the outer sliding barrel 4 is provided with a main limit plate 28, the main limit plate 28 is arranged in the main sliding chute 6, the bottom of the outer sliding barrel 4 is provided with an auxiliary limit plate 14, the auxiliary limit plate 14 is arranged in the auxiliary sliding chute 26, the outer sliding barrel 4 is provided with a main through groove 5, the main through groove 5 corresponds to the main water inlet groove 19, the outer sliding barrel 4 is provided with an auxiliary through groove 25, the auxiliary through groove 25 corresponds to the auxiliary water inlet groove 24, the center of the top of the outer sliding barrel 4 is provided with a connecting block 2, the connecting block 2 is connected with the top of the outer sliding barrel 4 through a connecting frame 8,

the water drawing device comprises a main sampling hanging ring 1, a water inlet cavity, a main piston rod 11, a slide rod 12, an auxiliary gear 13, an auxiliary piston 15, a main piston rod groove 16, a slide rod groove 17, an auxiliary gear groove 18, a main gear groove 20, an auxiliary piston rod groove 21, a main piston 22, an auxiliary water inlet cavity 23 and an auxiliary piston rod 27, wherein the center of a sampling cylinder 7 is provided with the slide rod groove 17, one end of the slide rod 12 is arranged in the slide rod groove 17, the other end of the slide rod 12 penetrates through a connecting block 2 to extend upwards for a certain distance, the other end of the slide rod 12 is provided with the sampling hanging ring 1, the sampling cylinder 7 is divided into an upper section and a lower section, the lower section of the sampling cylinder 7 is internally provided with the main gear groove 20, the main gear groove 20 is communicated with the slide rod groove 17, the main gear is internally provided with a main gear, the lower section of the sampling cylinder 7 is provided with the auxiliary gear groove 18, the auxiliary gear groove 18 is communicated, an auxiliary gear 13 is arranged in an auxiliary gear groove 18, the auxiliary gear 13 is meshed with a sliding rod 12, a main piston rod groove 16 is arranged at the lower section of a sampling cylinder 7, the main piston rod groove 16 is communicated with a main gear groove 20, an auxiliary piston rod groove 21 is arranged at the lower section of the sampling cylinder 7, the auxiliary piston rod groove 21 is communicated with a sliding rod groove 17, a cylindrical main cavity is arranged at the upper section of the sampling cylinder 7, a circular main piston 22 is arranged in the main cavity, the main cavity is divided into an upper part and a lower part by the main piston 22, the main cavity is divided into a main water inlet cavity 9, the main water inlet cavity 9 is communicated with a main water inlet groove 19, the lower part of the main cavity is divided into a main movable cavity, the main movable cavity is communicated with the main piston rod groove 16, a main piston rod 11 is arranged at the bottom of the main piston 22, the main piston rod 11 extends into the main piston rod groove 16, the main piston rod 11 is meshed with a main gear, a cylindrical auxiliary cavity, it has circular shape to assist the cavity built-in to have a circular shape to assist piston 15, and assist piston 15 will assist the cavity and divide into two parts from top to bottom, and assist cavity top to be assisted intake chamber 23, and assist intake chamber 23 and assist intake chamber 24 and be linked together, and assist the cavity sub-unit and be assisted the activity chamber, and assist the activity chamber and assist piston rod groove 21 and be linked together, and assist piston 15 bottom has put and has assisted piston rod 27, and assist piston rod 27 and extend to and assist in the piston rod groove 21, assist piston rod 27 and the meshing of auxiliary gear 13, connecting block 2 overhead has the lifting bar, main piston 22 edge has put the sealing washer, assist 15 edges of piston and have put the sealing washer equally, 19 notch areas in main intake chamber are greater than and assist 24 notch areas.

When the sampling device is used, firstly, pull ropes are respectively wound on the sampling lifting rings 1 and the lifting rings 3, the lifting rings 3 are lifted through the pull ropes, an underground water sampler is slowly placed at a sampling point of a water body to be sampled, then the sampling lifting rings 1 are gradually pulled upwards through the pull ropes, at the moment, the outer sliding cylinder 4 slides upwards relative to the sampling cylinder 7, the position of the sampling cylinder 7 is kept unchanged under the action of gravity and the lifting force of the pull ropes on the sampling lifting rings 1, the main through groove 5 and the auxiliary through groove 25 can simultaneously and gradually move upwards along with the outer sliding cylinder 4, so that the main through groove 5 can be gradually communicated with the main water inlet groove 19, the auxiliary through groove 25 can be gradually communicated with the auxiliary water inlet groove 24, meanwhile, in the upward movement process of the outer sliding cylinder 4 relative to the sampling cylinder 7, the sampling lifting rod 1 drives the sliding rod 12 to move upwards, the sliding rod, the auxiliary gear 13 drives the auxiliary piston 15 to move downwards, so that the space between the main water inlet cavity 9 and the auxiliary water inlet cavity 23 is gradually increased, the pressure is gradually reduced, water flow respectively enters the main water inlet cavity 9 and the auxiliary water inlet cavity 23 through the main water inlet groove 19 and the auxiliary water inlet groove 24, water entering from the auxiliary water inlet groove 24 with the filter screen 10 is filtered, primary treatment on a water sample can be realized, and the water pressed from the main water inlet groove 19 without the filter screen 10 is an original water sample;

when the outer sliding barrel 4 moves upwards relative to the sampling barrel 7, the main limiting plate 28 at the bottom of the outer sliding is matched with the main chute 6, the auxiliary limiting plate 14 is matched with the auxiliary chute 26, the relative movement of the outer sliding barrel 4 and the sampling barrel 7 is guided, the main water inlet groove 19 and the main through groove 5 can be communicated with each other, the auxiliary water inlet groove 24 and the auxiliary through groove 25 can be communicated with each other, when the outer sliding barrel 4 moves to the bottom close to the top end of the sampling barrel 7, the main limiting plate 28 and the auxiliary limiting plate 14 are respectively limited in the main chute 6 and the auxiliary chute 26, the outer sliding barrel 4 and the sliding rod 12 are prevented from falling off from the top end of the sampling barrel 7, meanwhile, the notch of the main water inlet groove 19 and the notch of the auxiliary water inlet groove 24 are respectively attached to the inner wall of the outer chute, so that the main water inlet groove 19 and the auxiliary water inlet groove 24 are blocked, the overflow of a water sample can be avoided, and then, taking out the sampler, and then respectively taking out the water samples in the two main water inlet cavities 9 and the auxiliary water inlet cavity 23 to finish the collection of the water samples;

in the water sample collection process, two different sampling environments are set, the simultaneous collection of an original water sample and a filtered water sample can be realized, after water pressed in from the auxiliary water inlet groove 24 with the filter screen 10 is filtered by the filter screen 10, impurities in water can be removed preliminarily, the protection of an analyzer during subsequent water sample analysis is facilitated, the damage of the detecting instrument caused by the impurities is avoided, the water entering from the main water inlet groove 19 can keep the most original composition, the condition of the water sample is conveniently analyzed, the auxiliary water inlet groove 24 with the filter screen 10 is matched with the main water inlet groove 19 without the filter screen 10 for use, the preliminarily treated water sample and the original water sample can be taken out simultaneously, the detection of an underground water body is facilitated, and the detection precision is improved;

the lifting rod is arranged on the connecting block 2, so that the device can be fixed, the phenomenon that the device is inclined in the process of using a pull rope to lift the device is avoided, and the position of the sampling cylinder 7 can be fixed by matching with the sampling lifting ring 1 during sampling so as to ensure the position of a sampling point;

the edge of the main piston 22 is provided with a sealing ring, and the edge of the auxiliary piston 15 is also provided with a sealing ring, so that a collected water sample can be prevented from entering a main movable cavity or an auxiliary movable cavity from the edge of the main piston 22 or the auxiliary piston 15 and further entering the main gear groove 20 and the auxiliary gear groove 18 to influence the normal use of the device;

the design that the notch area of the auxiliary water inlet groove 24 is larger than the notch area of the main water inlet groove 19 can avoid that the water inlet flow speed in the auxiliary water inlet groove 24 is smaller than that in the main water inlet groove 19 due to the filtration of the filter screen 10 in the auxiliary water inlet groove 24 when sampling is carried out, so that the water inlet amount in the auxiliary water inlet cavity 23 is different from that in the main water inlet cavity 9, the device is inclined in the sampling process, and the smooth development of the sampling work is influenced;

the purpose of simultaneously carrying out two-stage sampling on underground water with the same depth, reserving a real water sample and filtering the water sample and facilitating underground water quality detection is achieved.

The above embodiments are the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.

Claims

1. The utility model provides an engineering geological exploration is with ground water sampler, characterized by: the water drawing device comprises a main body device and a water drawing device, wherein the main body device comprises a connecting block, lifting rings, an outer sliding barrel, a main through groove, a main sliding groove, a sampling barrel, a connecting frame, a filter screen, an auxiliary limiting plate, a main water inlet groove, an auxiliary through groove, an auxiliary sliding groove and a main limiting plate, the sampling barrel is sleeved with the outer sliding barrel, the outer side surface of the sampling barrel is provided with the main sliding groove, the main water inlet groove is arranged on the outer side surface of the sampling barrel, the main water inlet groove is arranged close to the top end of the sampling barrel, the main water inlet groove is positioned above the main sliding groove, the outer side surface of the sampling barrel is provided with the auxiliary sliding groove symmetrical to the main sliding groove, the outer side surface of the sampling barrel is provided with the auxiliary water inlet groove, the auxiliary water inlet groove is positioned above the auxiliary sliding groove, the filter screen is arranged in the auxiliary water inlet groove, the top, the outer sliding cylinder is provided with a main through groove corresponding to the main water inlet groove, the outer sliding cylinder is provided with an auxiliary through groove corresponding to the auxiliary water inlet groove, the center of the top of the outer sliding cylinder is provided with a connecting block, the connecting block is connected with the top of the outer sliding cylinder through a connecting frame, the water drawing device consists of a main sampling lifting ring, a water inlet cavity, a main piston rod, a slide rod, an auxiliary gear, an auxiliary piston, a main piston rod groove, a slide rod groove, an auxiliary gear groove, an auxiliary piston rod groove, a main piston, an auxiliary water inlet cavity and an auxiliary piston rod, the center of the sampling cylinder is provided with the slide rod groove, one end of the slide rod is arranged in the slide rod groove, the other end of the slide rod penetrates through the connecting block to extend upwards for a certain distance, the other end of the slide rod is provided with the sampling lifting ring, the sampling cylinder is divided into an upper section and a lower section of the sampling cylinder is internally provided with the main gear groove which is communicated with, an auxiliary gear groove is formed in the lower section of the sampling cylinder and is communicated with the slide bar groove, the auxiliary gear groove is symmetrical to the main gear groove, an auxiliary gear is arranged in the auxiliary gear groove and is meshed with the slide bar, a main piston groove is formed in the lower section of the sampling cylinder and is communicated with the main gear groove, an auxiliary piston groove is formed in the lower section of the sampling cylinder and is communicated with the slide bar groove, a cylindrical main cavity is formed in the upper section of the sampling cylinder, a circular main piston is arranged in the main cavity, the main cavity is divided into an upper part and a lower part by the main piston, the upper part of the main cavity is a main water inlet cavity which is communicated with the main water inlet groove, the lower part of the main cavity is a main movable cavity which is communicated with the main piston groove, a main piston rod is arranged at the bottom of the main piston and extends into the main piston rod groove, the main piston rod is meshed with the main gear, a cylindrical auxiliary cavity is formed in the upper section of the sampling cylinder, the auxiliary cavity is symmetrical to the main cavity, a circular auxiliary piston is arranged in the auxiliary cavity, the auxiliary piston divides the auxiliary cavity into an upper part and a lower part, the upper part of the auxiliary cavity is an auxiliary water inlet cavity, the auxiliary water inlet cavity is communicated with the auxiliary water inlet groove, the lower part of the auxiliary cavity is an auxiliary movable cavity, the auxiliary movable cavity is communicated with the auxiliary piston groove, an auxiliary piston rod is arranged at the bottom of the auxiliary piston, the auxiliary piston rod extends into the auxiliary piston rod groove, and the auxiliary piston rod is meshed with the auxiliary gear.

2. The groundwater sampler for engineering geological exploration according to claim 1, wherein a lifting rod is disposed on the connecting block.

3. The groundwater sampler for engineering geological exploration according to claim 1, wherein a sealing ring is arranged at the edge of the main piston.

4. The groundwater sampler for engineering geological exploration according to claim 1, wherein a sealing ring is also arranged at the edge of the auxiliary piston.

5. The groundwater sampler as claimed in claim 1, wherein the notch area of the primary intake trough is larger than the notch area of the secondary intake trough.