CN219302010U

CN219302010U - Deep hole water sampling device

Info

Publication number: CN219302010U
Application number: CN202223154097.0U
Authority: CN
Inventors: 黄永乐; 路杙; 胡利军; 王安乐; 谢耀权; 王朝一; 赵庆勇; 李彦恒; 胡明; 李兆凯; 章艳; 赵磊
Original assignee: PLA Rocket Force Engineering Design Research Institute
Current assignee: PLA Rocket Force Engineering Design Research Institute
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-07-04
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses a deep hole water sampling device which comprises a barrel body, wherein the barrel body is hollow cylindrical, the bottom of the barrel body is detachably connected with a balancing weight, the top of the barrel body is detachably connected with a gravity valve seat, the top of the gravity valve seat is provided with a water inlet, water can flow into the barrel body through the water inlet for storage, a gravity valve sealing ball head is arranged in the gravity valve seat, the gravity valve sealing ball head is connected with a traction device, and the traction device can control the gravity valve sealing ball head to move so as to control the opening and closing of the water inlet. The deep hole water sampling device has the advantages of simple structure, low cost, convenient use, easy maintenance and wide application, and is suitable for layered sampling of exploration holes of different water-bearing layers with different calibers and mineralization degrees; the use safety coefficient is high, accidents such as scrapping of a water well can be avoided, and the water well can be reused.

Description

Deep hole water sampling device

Technical Field

The utility model relates to the field of water taking in water quality analysis, in particular to a deep hole water sampling device.

Background

The geological survey work is a key link of engineering construction and has a critical influence on engineering quality, and the hydrogeological survey work is a link which is easy to ignore but can directly influence engineering design and engineering service life, in particular to hydrogeological survey in tunnel engineering, bridges and house foundation engineering under complex geological conditions.

In the hydrogeology reconnaissance work, traditional water sample collection system has: the water sampling device of the Beller pipe is simple, can only achieve water taking at the surface layer position of the water surface of the exploration hole, and is difficult to conduct accurate sampling analysis in a targeted manner when the hydrologic condition in the drilling hole is complex, layering is more, and mineralization degree is different; although the sampling depth of water obtained by the submersible pump method is enhanced, the problems of time consumption, labor consumption, low economical efficiency, limited sampling depth and the like exist. Therefore, it is necessary to design a simple, fast and economical device capable of exploring holes to collect water samples under the geological conditions of kilometers depth, arbitrary caliber and complex water waves.

Disclosure of Invention

The utility model provides a deep hole water sampling device which has the effects of simple structure, low cost, convenient use, easy maintenance and wide application. The specific technical scheme is as follows:

the utility model provides a deep hole water sampling device, wherein, including the staving, the staving is hollow cylindric, and the bottom and the balancing weight of staving can be dismantled and be connected, and the top and the gravity valve disk seat of staving can be dismantled and be connected, and the top of gravity valve disk seat is provided with the water inlet, and water can flow into the staving through the water inlet and store in, and gravity valve disk seat content has gravity valve seal bulb, and gravity valve seal bulb links to each other with draw gear, and draw gear steerable gravity valve seal bulb removes to control the opening and the shutoff of water inlet.

Further, the gravity valve seat is in a circular truncated cone shape, the diameter of the upper bottom surface of the circular truncated cone is smaller than that of the lower bottom surface of the circular truncated cone, the water inlet is formed in the position of the upper bottom surface of the circular truncated cone, and the diameter of the water inlet is smaller than that of the gravity valve sealing ball head.

Further, a rubber layer is arranged on the outer surface of the gravity valve sealing ball head.

Further, the inner side of the water inlet of the gravity valve seat is provided with a sealing ring.

Further, the gravity valve seat is connected with a positioning rope, and the positioning rope can limit the position of the positioning valve seat.

Further, be provided with the location platform on the lateral wall of gravity valve disk seat, be provided with the holding ring on the location platform, the holding ring links to each other with the locating rope.

Further, the positioning rope is a plastic rope.

Further, the gravity valve sealing ball head is connected with the fixed column, the fixed column is connected with the fixed ring, and the fixed ring is connected with the traction device.

Further, the traction device comprises a winch and a traction rope, the traction rope is connected with the gravity valve sealing ball head, and the winch controls the winding and unwinding of the traction rope to control the movement of the gravity valve sealing ball head.

Further, the traction rope is provided with scales to measure the descending depth of the barrel body.

The deep hole water sampling device has the advantages of simple structure, low cost, convenient use, easy maintenance and wide application, and is suitable for layered sampling of exploration holes of different water-bearing layers with different calibers and mineralization degrees; the use safety coefficient is high, accidents such as scrapping of a water well can be avoided, and the water well can be reused.

The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present utility model more readily apparent.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

FIG. 1 is a perspective view of a deep hole water sampling device of the present utility model;

FIG. 2 is a cross-sectional view of a deep hole water sampling apparatus of the present utility model with the water inlet closed;

fig. 3 is an enlarged view of a portion a of fig. 2;

fig. 4 is a cross-sectional view showing an opened water inlet of the deep hole water sampling device of the present utility model.

Detailed Description

For a better understanding of the objects, functions and specific embodiments of the present utility model, the deep hole water sampling device of the present utility model will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-4, the deep hole water sampling device of the utility model comprises a barrel body 1, wherein the barrel body 1 is hollow cylindrical, the bottom of the barrel body 1 is detachably connected with a balancing weight 2, the top of the barrel body 1 is detachably connected with a gravity valve seat 3, the detachable connection mode can be clamping connection or threaded connection, and the embodiment adopts threaded connection; the top of the gravity valve seat 3 is provided with a water inlet, water can flow into the barrel body 1 through the water inlet, the gravity valve seat 3 is internally provided with a gravity valve sealing ball head 4, the gravity valve sealing ball head 4 is connected with a traction device, and the traction device can control the gravity valve sealing ball head 4 to move so as to control the opening and closing of the water inlet.

Specifically, the gravity valve seat 3 is in a shape of a circular truncated cone, the diameter of the upper bottom surface of the circular truncated cone is smaller than that of the lower bottom surface of the circular truncated cone, the water inlet is formed in the position of the upper bottom surface of the circular truncated cone, and the diameter of the water inlet is smaller than that of the gravity valve sealing ball head 4 so as to prevent the gravity valve sealing ball head 4 from falling out of the water inlet. Preferably, the outer surface of the gravity valve sealing ball head 4 is provided with a rubber layer to improve the tightness when the gravity valve sealing ball head 4 contacts with the water inlet, thereby improving the reliability when the water inlet is closed, and notably, the inner side of the water inlet of the gravity valve seat 3 is also provided with a sealing ring to further improve the reliability when the water inlet is closed.

The gravity valve seat 3 of the present embodiment is also connected to a positioning rope which can restrict the position of the gravity valve seat. Specifically, be provided with locating platform 5 on the lateral wall of gravity valve disk seat 3, be provided with holding ring 6 on the locating platform 5, holding ring 6 links to each other with the locating rope, and the position that the locating rope can restrict staving 1 to transfer down prevents staving 1 to move down when getting water, leads to the water inlet to close. Preferably, the positioning ropes, the positioning table 5 and the positioning ring 6 are two groups and are symmetrically arranged on two sides of the outer side wall of the gravity valve seat 3.

As shown in fig. 3, the gravity valve sealing ball head 4 is connected with a fixed column, the fixed column is connected with a fixed ring 7, and the fixed ring 7 is connected with a traction device. The traction device of the embodiment comprises a winch and a traction rope, wherein the traction rope is connected with the gravity valve sealing ball head 4, and the winch controls the retraction of the traction rope to control the movement of the gravity valve sealing ball head 4. Preferably, the traction rope is provided with scales to measure the descending depth of the tub 1.

When the deep hole water sampling device is used, firstly, judging the layering position of underground water according to the exploratory hole core and the water return condition in the hole in the drilling process, and formulating a water sampling target position;

step two, sweeping the drilled holes before the drilling, and clearing obstacles in the holes so that the gravity valve seat 3 and the barrel body 1 can be smoothly lowered by gravity;

thirdly, operating the winch, lowering the gravity valve seat 3 and the barrel body 1, and simultaneously manually lowering the positioning rope to ensure that the whole lowering process of the plastic rope is not tensioned so as to ensure that the gravity valve sealing ball head 4 always abuts against the water inlet under the action of the gravity of the barrel body 1 and the balancing weight 2, thereby ensuring that the water inlet is in a closed state;

fourthly, observing scales on the traction rope, stopping the winch to pull down the traction rope after reaching a specified position, pulling the positioning rope to be tensioned by the manual operation, at this time, loading the gravity of the barrel body 1 and the balancing weight 2 by the positioning rope, then continuously operating the winch to pull down the traction rope by about 30cm, at this time, separating the gravity valve sealing ball head 4 from the water inlet due to the gravity action of the gravity valve sealing ball head 4, opening the water inlet, operating the winch to pull out the gravity valve seat 3 and the barrel body 1 from the hole after taking water for about 20 seconds, and simultaneously manually pulling the positioning rope, wherein the positioning rope is required to be ensured not to be tensioned in the synchronous pulling process of the positioning rope, the gravity valve sealing ball head 4 is ensured to be in contact with the water inlet, and the water inlet is ensured to be in a closed state:

and fifthly, after the gravity valve seat 3 and the barrel body 1 are provided with holes, unscrewing the gravity valve seat 3 and pouring water into the sampling bottle, thereby completing water taking.

And repeating the first step to the fifth step to obtain water from the next position.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The deep hole water sampling device is characterized by comprising a barrel body, wherein the barrel body is hollow cylindrical, the bottom of the barrel body is detachably connected with a balancing weight, the top of the barrel body is detachably connected with a gravity valve seat, the top of the gravity valve seat is provided with a water inlet, water can flow into the barrel body through the water inlet for storage, a gravity valve sealing ball head is arranged in the gravity valve seat, the gravity valve sealing ball head is connected with a traction device, and the traction device can control the gravity valve sealing ball head to move so as to control the opening and closing of the water inlet.

2. The deep hole water sampling device according to claim 1, wherein the gravity valve seat is in a shape of a circular truncated cone, the diameter of the upper bottom surface of the circular truncated cone is smaller than that of the lower bottom surface of the circular truncated cone, the water inlet is arranged at the position of the upper bottom surface of the circular truncated cone, and the diameter of the water inlet is smaller than that of the gravity valve sealing ball head.

3. The deep hole water sampling apparatus of claim 2, wherein the outer surface of the gravity valve sealing ball is provided with a rubber layer.

4. A deep hole water sampling apparatus according to claim 2, wherein a sealing ring is provided inside the water inlet of the gravity valve seat.

5. The deep hole water sampling apparatus of claim 1, wherein the gravity valve seat is connected to a positioning rope which restricts the position of the positioning valve seat.

6. The deep hole water sampling device according to claim 5, wherein a positioning table is arranged on the outer side wall of the gravity valve seat, a positioning ring is arranged on the positioning table, and the positioning ring is connected with the positioning rope.

7. The deep hole water sampling apparatus of claim 6, wherein the positioning rope is a plastic rope.

8. The deep hole water sampling apparatus of claim 1, wherein the gravity valve sealing ball is connected to a fixed post, the fixed post is connected to a fixed ring, and the fixed ring is connected to a traction device.

9. The deep hole water sampling apparatus of claim 1, wherein the pulling means comprises a hoist and a pulling rope, the pulling rope being connected to the gravity valve sealing ball, the hoist controlling retraction of the pulling rope to control movement of the gravity valve sealing ball.

10. A deep hole water sampling apparatus according to claim 9 wherein the pull cord is provided with graduations to measure the depth of descent of the barrel.