CN218445456U

CN218445456U - Water source sampling detection device

Info

Publication number: CN218445456U
Application number: CN202222675793.XU
Authority: CN
Inventors: 朱昱桦; 华兴; 李雪莲; 罗昆旭
Original assignee: Guizhou Geological Survey Institute
Current assignee: Guizhou Geological Survey Institute
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-02-03
Anticipated expiration: 2032-10-11

Abstract

The utility model provides a water source sampling test device, includes upper end open-ended sampling tube, evenly be provided with a plurality of baffles in the sampling tube and separate into a plurality of sample chambeies with the sampling tube, sample chamber bottom is provided with the piston, baffle center department is equipped with the shaft hole, and is a plurality of the piston upper end is connected with same push-and-pull rod jointly, just the push-and-pull rod is located sliding connection in the shaft hole, and the push-and-pull rod upper end that is located the top is connected with actuating mechanism, sample chamber side is connected with sampling mechanism, sample chamber bottom side is connected with the stock layout subassembly, sampling mechanism has when making the piston rebound will sample chamber space becomes sampling chamber and air discharge chamber. The utility model provides a water source sampling test device makes it avoid same inlet opening to form convection current when the sample and influences sampling efficiency, and all can realize the sample at arbitrary angle.

Description

Water source sampling detection device

Technical Field

The utility model relates to a geological survey water source sampling equipment technical field, in particular to water source sampling test device.

Background

Hydrogeological exploration, also known as hydrogeological exploration, refers to hydrogeological investigation and research work carried out to find out hydrogeological conditions of a region, and aims to master the causes, distribution and movement rules of underground water and surface water, so as to provide a basis for reasonably exploiting and utilizing water resources and correctly carrying out design and construction of foundation and piling projects, and comprises two aspects of hydrogeological exploration underground and overground hydrogeological exploration.

When a water source is sampled, the existing equipment can only carry out fixed-point sampling, and cannot simultaneously obtain samples near sampling points, so that certain errors exist in detected sample data, the data are not accurate enough, and the reference value is low.

In order to solve the existing problems, the Chinese patent discloses a hydrogeology exploration water source sampling detection device, and the application number is CN202022410076.5, a utility model patent, the device is provided with a plurality of sampling cavities, samples around the sampling point can be obtained, and therefore errors are effectively reduced; however, the device is when taking a sample, and the removal through the piston rod makes the thief hole be in the open mode and realizes taking a sample, because a plurality of sample chambeies all are located and take a sample under water, and the water source sample passes through the thief hole and enters into to the sample chamber during sample under this state, and the air in the sample chamber also need be discharged outside the sample chamber through same thief hole simultaneously for this thief hole forms the convection current state and influences sampling efficiency. Meanwhile, the device needs to be placed at a preset depth underwater before sampling, the sampling cavity is kept in a closed state before sampling, and sampling can be realized only when the sampling hole is located at the upper position of the sampling cavity during sampling, so that the device is influenced by the placement angle.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a water source sampling test device for solve the problem among the background art, make the device avoid same inlet opening to form the convection current when the sample and influence sampling efficiency, and all can realize the sample at arbitrary angle.

In order to realize the purpose, the following technical scheme is adopted: the utility model provides a water source sampling test device, includes upper end open-ended sampling tube, evenly be provided with a plurality of baffles in the sampling tube and separate the sampling tube into a plurality of sample chambeies, sample chamber bottom is provided with the piston, baffle center department is equipped with the shaft hole, and is a plurality of the piston upper end is connected with same push-and-pull rod jointly, just the push-and-pull rod is located shaft hole sliding connection, and the push-and-pull rod upper end that is located the top is connected with actuating mechanism, sample chamber side is connected with sampling mechanism, sample chamber top side and bottom side all are connected with the stock layout subassembly, sampling mechanism will when having the messenger's piston rebound sample chamber space into sampling chamber and exhaust chamber.

Preferably, the sampling mechanism comprises a water inlet assembly arranged on the side face of the bottom of the sampling cavity and an exhaust assembly arranged on the side face of the top of the sampling cavity, and the water inlet assembly and the exhaust assembly are both provided with structures capable of realizing sealing when the piston stops.

Preferably, the subassembly of intaking is including setting up first screw hole and the inlet tube in sample chamber bottom side, the one end and the first screw hole threaded connection of inlet tube, the other end of inlet tube is located the sampling tube outside, the inner wall annular of inlet tube is provided with first ring channel, be provided with first movable plate in the inlet tube, first movable plate is outer along laminating at the tank bottom sliding connection of first ring channel, one side that first movable plate is close with first screw hole is equipped with first spring, the other end of first spring supports and leans on the cell wall of first ring channel, first movable plate is equipped with the inlet opening with first ring channel cell wall level relative position.

Preferably, the exhaust subassembly is including setting up second screw hole and the blast pipe in sample chamber top side, the one end and the second screw hole threaded connection of blast pipe, the other end of blast pipe is located the sampling tube outside, the blast pipe inner wall annular is provided with the second ring channel, be provided with the second movable plate in the blast pipe, the second movable plate is outer along laminating at the tank bottom sliding connection of second ring channel, one side that the second screw hole was kept away from to the second movable plate is equipped with the second spring, the other end of second spring supports and leans on the cell wall of second ring channel, the second movable plate is equipped with the exhaust hole with second ring channel cell wall level relative position.

Preferably, the water inlet pipe and the exhaust pipe are provided with external threads at two ends, and the models of the first threaded hole and the second threaded hole are the same.

Preferably, the stock layout subassembly is including setting up third screw hole and the plunger in sample chamber bottom side, plunger one end and third screw hole threaded connection.

Preferably, actuating mechanism includes wire rope and support, wire rope's one end is connected with the push-and-pull rod upper end that is located the top, the support is fixed to be set up in sampling tube port department, wire rope's the other end passes the support and outwards extends and be connected with the pull ring, and the cover is equipped with fixed cover on the wire rope that is located the support upper end, fixed cover lower extreme is fixed on the support, fixed cover upper end has the predetermined distance with the pull ring bottom.

Preferably, a push plate is arranged at the joint of the steel wire rope and the push-pull rod.

Preferably, the bottom of the sampling tube is provided with a balancing weight.

Preferably, a sealing ring is arranged at the joint of the push-pull rod and the shaft hole.

The utility model discloses the beneficial effect who gains:

the utility model discloses a water source sampling test device through setting up a plurality of sample chambeies, on reaching the basis of taking a sample to the peripheral sample in sampling point position, through setting up water inlet assembly and exhaust subassembly, makes it avoid same inlet opening to form convection current when the sample and influences sampling efficiency, and all can realize the sample at arbitrary angle.

Drawings

Fig. 1 is a schematic structural view of the water source sampling and detecting device of the present invention.

Fig. 2 is the structure schematic diagram of the sampling process of the water source sampling and detecting device of the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 1.

In the figure, 1-sampling tube, 2-clapboard, 3-sampling cavity, 311-sampling chamber, 312-exhaust chamber, 4-piston, 5-push-pull rod, 6-water inlet tube, 7-first annular groove, 8-first movable plate, 9-first spring, 10-water inlet hole, 11-exhaust tube, 12-second annular groove, 13-second movable plate, 14-second spring, 15-exhaust hole, 16-plunger, 17-steel wire rope, 18-bracket, 19-pull ring, 20-fixed sleeve, 21-push plate and 22-counterweight.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only 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 therefore, should not be construed as limiting the present invention.

Referring to the attached drawings 1-3, a water source sampling detection device comprises a sampling tube 1 with an opening at the upper end, a plurality of partition plates 2 are uniformly arranged in the sampling tube 1 and divide the sampling tube 1 into a plurality of sampling cavities 3, a piston 4 is arranged at the bottom of each sampling cavity 3, a shaft hole is formed in the center of each partition plate 2, the upper ends of the plurality of pistons 4 are jointly connected with a same push-pull rod 5, the push-pull rods 5 are positioned in the shaft holes and are in sliding connection, a driving mechanism is connected to the upper end of the push-pull rod 5 positioned at the top, a sampling mechanism is connected to the side surface of each sampling cavity 3, sample discharge assemblies are connected to the side surface of the top and the side surface of the bottom of each sampling cavity 3, and the sampling mechanism divides the sampling cavities 3 into a sampling chamber 311 and an exhaust chamber 312 when the pistons 4 move upwards, so that the process of water source samples entering the sampling cavities 3 and the exhaust of the sampling cavities 3 are not influenced and are mutually associated; sampling mechanism is including setting up the subassembly of intaking to 3 bottom sides in sample chamber and setting up the exhaust subassembly in 3 top sides in sample chamber, and the subassembly of intaking realizes the confined structure when all having piston 4 to stop moving with the exhaust subassembly to realize sealing when piston 4 stops moving, avoid the sample to run off.

As the preferred embodiment of the above embodiment, the water inlet assembly comprises a first threaded hole and a water inlet pipe 6 which are arranged on the side surface of the bottom of the sampling cavity 3, one end of the water inlet pipe 6 is in threaded connection with the first threaded hole, the other end of the water inlet pipe 6 is positioned outside the sampling tube 1, a first annular groove 7 is annularly arranged on the inner wall of the water inlet pipe 6, a first moving plate 8 is arranged in the water inlet pipe 6, the outer edge of the first moving plate 8 is attached to the bottom of the first annular groove 7 in a sliding connection mode, a first spring 9 is arranged on one side, close to the first threaded hole, of the first moving plate 8, the other end of the first spring 9 abuts against the groove wall of the first annular groove 7, and a water inlet hole 10 is arranged at the position, horizontally opposite to the groove wall of the first annular groove 7, of the first moving plate 8. The exhaust assembly comprises a second threaded hole and an exhaust pipe 11 which are arranged on the side face of the top of the sampling cavity 3, one end of the exhaust pipe 11 is in threaded connection with the second threaded hole, the other end of the exhaust pipe 11 is located outside the sampling pipe 1, a second annular groove 12 is annularly arranged on the inner wall of the exhaust pipe 11, a second moving plate 13 is arranged in the exhaust pipe 11, the second moving plate 13 is in sliding connection with the bottom of the second annular groove 12 along the joint, a second spring 14 is arranged on one side, away from the second threaded hole, of the second moving plate 13, the other end of the second spring 14 abuts against the groove wall of the second annular groove 12, and exhaust holes 15 are formed in the horizontal opposite positions of the second moving plate 13 and the groove wall of the second annular groove 12. When the sampling device is used, the push-pull rod 5 moves upwards to drive the piston 4 to move upwards, the water inlet pipe 6 in the water inlet assembly absorbs water, the first moving plate 8 moves towards the sampling tube 1, the first spring 9 is compressed, the water inlet hole 10 is opened, and a sample enters the corresponding sampling cavity 3 through the water inlet hole 10; meanwhile, the volume of the sampling chamber 311 is increased to realize sampling, the volume of the exhaust chamber 312 is gradually reduced, the second moving plate 15 on the exhaust assembly is pushed to move to the side far away from the sampling tube 1, the second spring 14 is compressed, and the exhaust hole 15 is opened, so that exhaust is realized, convection of a water inlet process and an exhaust process is avoided, and the sampling efficiency is effectively improved; when the piston 4 stops moving, the first spring 9 and the second spring 14 recover the elastic force, so that the water inlet hole 10 and the air outlet hole 15 are in a closed state, and the sample is prevented from losing. And water inlet assembly and exhaust subassembly set up respectively in the sampling tube left and right sides, avoid inlet tube 6 to intake the department because the condition that the disturbance appears in the convection current influences the error.

For convenient to use, intake assembly and exhaust assembly adopt the same structure, all are equipped with the external screw thread at

inlet tube

6 and 11 both ends of blast pipe, and first screw hole is the same with second screw hole model size.

Arrange the appearance subassembly including setting up third screw hole and plunger 16 in sample chamber 3 bottom side, plunger 16 one end and third screw hole threaded connection, the sample is accomplished the back, can make the sample flow through taking out plunger 16.

The driving mechanism comprises a steel wire rope 17 and a support 18, one end of the steel wire rope 17 is connected with the upper end of a push-pull rod 5 positioned at the top, the support 18 is fixedly arranged at the port of the sampling tube 1, the other end of the steel wire rope 17 penetrates through the support 18 to extend outwards to be connected with a pull ring 19, a fixing sleeve 20 is sleeved on the steel wire rope 17 positioned at the upper end of the support 18, the lower end of the fixing sleeve 20 is fixed on the support 18, and the upper end of the fixing sleeve 20 has a preset distance from the bottom of the pull ring 19; the fixing sleeve 20 is a sleeve or a straight pipe capable of being flexibly stored, so that the steel wire rope 17 can move when being located in the fixing sleeve 20, and the length of the fixing sleeve 20 cannot be changed, and the sleeve or the straight pipe capable of being flexibly stored is common in the market, and is not described herein again for the prior art.

In order to facilitate the recovery of the state before sampling, a push plate 21 is arranged at the joint of the steel wire rope 17 and the push-pull rod 5, and the piston 4 is moved to the bottom of the sampling cavity 3 by pushing the push plate 21; the bottom of the sampling tube 1 is provided with a balancing weight 22, and the joint of the push-pull rod 5 and the shaft hole is provided with a sealing ring.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a water source sampling test device, includes upper end open-ended sampling tube (1), evenly be provided with a plurality of baffles (2) in sampling tube (1) and separate sampling tube (1) into a plurality of sample chambeies (3), its characterized in that: the sampling device is characterized in that a piston (4) is arranged at the bottom of the sampling cavity (3), a shaft hole is formed in the center of the partition plate (2), the upper end of the piston (4) is connected with the same push-pull rod (5) jointly, the push-pull rod (5) is located in the shaft hole and connected in a sliding mode, the upper end of the push-pull rod (5) located at the top is connected with a driving mechanism, the side face of the sampling cavity (3) is connected with a sampling mechanism, the side face of the top of the sampling cavity (3) and the side face of the bottom of the sampling cavity (3) are connected with a sample discharging assembly, and the sampling mechanism is provided with a sampling chamber (311) and an exhaust chamber (312) which are formed by the sampling cavity (3) at intervals when the piston (4) moves upwards.

2. The water source sampling and testing device as claimed in claim 1, wherein: the sampling mechanism comprises a water inlet assembly arranged on the side face of the bottom of the sampling cavity (3) and an exhaust assembly arranged on the side face of the top of the sampling cavity (3), and the water inlet assembly and the exhaust assembly are provided with closed structures when the piston (4) stops.

3. The water source sampling and testing device of claim 2, wherein: the water inlet assembly comprises a first threaded hole and a water inlet pipe (6) which are arranged on the side face of the bottom of the sampling cavity (3), one end of the water inlet pipe (6) is in threaded connection with the first threaded hole, the other end of the water inlet pipe (6) is located outside the sampling pipe (1), a first annular groove (7) is formed in the inner wall of the water inlet pipe (6) in an annular mode, a first movable plate (8) is arranged in the water inlet pipe (6), the first movable plate (8) is in sliding connection with the groove bottom of the first annular groove (7) along the laminating mode, a first spring (9) is arranged on one side, close to the first threaded hole, of the first movable plate (8), the other end of the first spring (9) is abutted to the groove wall of the first annular groove (7), and the first movable plate (8) and the horizontal relative position of the groove wall of the first annular groove (7) are provided with a water inlet hole (10).

4. The water source sampling and testing device of claim 3, wherein: exhaust subassembly is including setting up second screw hole and blast pipe (11) at sample chamber (3) top side, the one end and the second screw hole threaded connection of blast pipe (11), the other end of blast pipe (11) is located sampling tube (1) outside, blast pipe (11) inner wall ring shape is provided with second ring channel (12), be provided with second movable plate (13) in blast pipe (11), second movable plate (13) are outer along laminating at the tank bottom sliding connection of second ring channel (12), one side that the second screw hole was kept away from in second movable plate (13) is equipped with second spring (14), the other end of second spring (14) supports and leans on the cell wall of second ring channel (12), second movable plate (13) and second ring channel (12) cell wall level relative position are equipped with exhaust hole (15).

5. The water source sampling and testing device of claim 4, wherein: the water inlet pipe (6) and the exhaust pipe (11) are provided with external threads at two ends, and the first threaded hole is the same as the second threaded hole in size.

6. The water source sampling and testing device of claim 1, wherein: the stock layout assembly comprises a third threaded hole and a plunger (16) which are arranged on the side face of the bottom of the sampling cavity (3), and one end of the plunger (16) is in threaded connection with the third threaded hole.

7. The water source sampling and testing device as claimed in claim 1, wherein: actuating mechanism includes wire rope (17) and support (18), the one end of wire rope (17) is connected with push-and-pull rod (5) upper end that is located the top, support (18) are fixed to be set up in sampling tube (1) port department, the other end of wire rope (17) passes support (18) and outwards extends and be connected with pull ring (19), and wire rope (17) that is located support (18) upper end is gone up the cover and is equipped with fixed cover (20), fixed cover (20) lower extreme is fixed on support (18), fixed cover (20) upper end has predetermined distance with pull ring (19) bottom.

8. The water source sampling and testing device of claim 7, wherein: a push plate (21) is arranged at the joint of the steel wire rope (17) and the push-pull rod (5).

9. A water source sampling and testing device according to any one of claims 1 to 8, wherein: and a balancing weight (22) is arranged at the bottom of the sampling tube (1).

10. A water source sampling and testing device according to any one of claims 1 to 8, wherein: and a sealing ring is arranged at the joint of the push-pull rod (5) and the shaft hole.