CN210289702U

CN210289702U - Water stopping device used in hydrogeological exploration water pumping test

Info

Publication number: CN210289702U
Application number: CN201920926712.4U
Authority: CN
Inventors: 薛奋宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-04-10
Anticipated expiration: 2029-06-19

Abstract

The utility model discloses a stagnant water device that hydrogeology exploration was used when pumping test, including threaded connection pipe, threaded connection pipe's one end fixedly connected with regulating pipe, the outside threaded connection of regulating pipe has the baffle, and the inside equidistance of baffle is excavated there are four screw holes, and threaded connection pipe's one end fixedly connected with steel pipe is kept away from to the regulating pipe, the middle part fixedly connected with driving plate in the steel pipe outside, and the upper and lower both ends of driving plate are all excavated the transmission groove, and the inside of transmission groove all rotates and is connected with the transmission shaft, the beneficial effects of the utility model are that: the utility model discloses compact structure, the practicality is strong, makes water swelling sealing rod more inseparable to the contact of pore wall in the use through setting up the pressure disk, can form the secondary stagnant water through the in close contact between baffle and the aperture simultaneously to make the experiment of drawing water can be better go on, in addition, through setting up the filter screen, make at the in-process pipeline of drawing water can not blockked up by impurity, guaranteed the inside cleanness of pipeline.

Description

Water stopping device used in hydrogeological exploration water pumping test

Technical Field

The utility model relates to a watertight fittings technical field specifically is a watertight fittings that hydrogeological exploration was used when pumping test.

Background

In the hydrology hole construction of hydrogeology exploration, need carry out the interior test of drawing water of driling, get drilling hydrology data, need completely cut off the water gushing on non-pumping section upper portion when drawing water, and generally all gush water through meeting water inflation sealing rod with upper portion and block completely isolated, thereby play sealed effect, but at the in-process of stagnant water, mostly do not set up secondary sealing device, make the stagnant water effect nevertheless tight, thereby influence follow-up experimental content and operation, it blocks up the pipeline to draw impurity probably to draw simultaneously among the process of drawing water, influence the experiment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a watertight fittings that hydrogeological exploration was used when drawing water experimental 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 water stopping device used in a hydrogeological exploration water pumping test comprises a threaded connecting pipe, one end of the threaded connecting pipe is fixedly connected with an adjusting pipe, the outer side of the adjusting pipe is in threaded connection with a baffle, four threaded holes are formed in the baffle at equal intervals, one end of the adjusting pipe, far away from the threaded connecting pipe, is fixedly connected with a steel pipe, the middle of the outer side of the steel pipe is fixedly connected with a transmission plate, transmission grooves are formed in the upper end and the lower end of the transmission plate, transmission shafts are rotatably connected in the transmission grooves, gears are fixedly connected on the outer sides of the transmission shafts, one end, close to the adjusting pipe, of the outer side of the steel pipe is connected with a first pressure plate in a sliding mode, the top and the bottom of one side of the first pressure plate are fixedly connected with first connecting rods, one end, far away from the first pressure plate, of each first connecting rod is fixedly connected, the one end sliding connection who keeps away from first pressure disk in the outside of steel pipe has the second pressure disk, the second pressure disk is close to the top and the equal fixedly connected with second connecting rod in bottom of first pressure disk one side, the equal fixedly connected with second rack in one end that the second pressure disk was kept away from to the second connecting rod, the second rack is connected with gear engagement, the outside of steel pipe just is located and all twines between first pressure disk, second pressure disk and the driving plate and has met water inflation sealing rod.

Preferably, the inner parts of the threaded holes are in threaded connection with limit screws.

Preferably, both ends of the outer side of the steel pipe are fixedly connected with baffle rings.

Preferably, the inside fixedly connected with filter screen of steel pipe.

Preferably, the first rack and the second rack are equal in size.

Preferably, the width of the two ends of the transmission groove is equal to the width of the second rack.

Preferably, the first rack, the second rack, the first connecting rod, the second connecting rod, the gear and the transmission shaft are all made of stainless steel.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses compact structure, the practicality is strong, makes water swelling sealing rod more inseparable to the contact of pore wall in the use through setting up the pressure disk, can form the secondary stagnant water through the in close contact between baffle and the aperture simultaneously to make the experiment of drawing water can be better go on, in addition, through setting up the filter screen, make at the in-process pipeline of drawing water can not blockked up by impurity, guaranteed the inside cleanness of pipeline.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention.

In the figure: 1. a threaded connection pipe; 2. an adjusting tube; 3. a baffle plate; 4. a transmission groove; 5. a gear; 6. a first platen; 7. a first connecting rod; 8. a drive shaft; 9. a drive plate; 10. a first rack; 11. a water-swelling sealing strip when meeting water; 12. a limit screw; 13. a threaded hole; 14. a steel pipe; 15. a second rack; 16. a second connecting rod; 17. a second platen; 18. a baffle ring; 19. and (4) a filter screen.

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. 1-2, the present invention provides a technical solution: a water stopping device used in a hydrogeological exploration water pumping test comprises a threaded connecting pipe 1, one end of the threaded connecting pipe 1 is fixedly connected with an adjusting pipe 2, the outer side of the adjusting pipe 2 is in threaded connection with a baffle 3, the depth of water pumping is convenient to adjust through adjusting the position of the baffle 3, four threaded holes 13 are equidistantly cut in the baffle 3, one end of the adjusting pipe 2, which is far away from the threaded connecting pipe 1, is fixedly connected with a steel pipe 14, the middle part of the outer side of the steel pipe 14 is fixedly connected with a transmission plate 9, transmission grooves 4 are respectively cut at the upper end and the lower end of the transmission plate 9, a transmission shaft 8 is rotatably connected in the transmission grooves 4, a gear 5 is respectively and fixedly connected in the outer side of the transmission shaft 8, one end, which is close to the adjusting pipe 2, of the outer side of the steel pipe 14 is slidably connected with a first pressure plate 6, the top and the bottom of one side of the first pressure plate 6, the first rack 10 is engaged with the gear 5, so as to be conveniently transmitted with the first rack 10 through the gear 5 and further drive the first pressure plate 6 to move, one end of the outer side of the steel pipe 14, which is far away from the first pressure plate 6, is slidably connected with a second pressure plate 17, the top and the bottom of one side of the second pressure plate 17, which is close to the first pressure plate 6, are fixedly connected with a second connecting rod 16, one end of the second connecting rod 16, which is far away from the second pressure plate 17, is fixedly connected with a second rack 15, the second rack 15 is engaged with the gear 5, so as to be conveniently transmitted with the second rack 15 through the gear 5 and further drive the second pressure plate 17 to move, the water-swelling water stop bar 11 is wound on the outer side of the steel pipe 14 and is positioned between the first pressure plate 6, the second pressure plate 17 and the transmission plate 9, the water-swelling water stop bar 11 is a unique new rubber product, and is a general name, the rubber generates two to three times of expansion deformation after meeting water, fills all irregular surfaces, cavities and gaps of the joint, and generates huge contact pressure to prevent leakage.

Further, the inside of screw hole 13 is threaded connection all has stop screw 12, is convenient for better carry out the secondary stagnant water through baffle 3.

Furthermore, both ends of the outer side of the steel tube 14 are fixedly connected with baffle rings 18, so that the first pressure plate 6 and the second pressure plate 17 are prevented from sliding off from the outer side of the steel tube 14.

Furthermore, the inside fixedly connected with filter screen 19 of steel pipe 14 is convenient for filter the impurity in the experiment of drawing water, prevents to block up the pipeline.

Furthermore, the first rack 10 and the second rack 15 are equal in size, so that better transmission through the gear 5 is facilitated.

Further, the width of the two ends of the transmission groove 4 is equal to the width of the second rack 15, so that the first pressure plate 6 and the second pressure plate 17 are prevented from rotating around the steel pipe 14 under the irregular action of water flow.

Furthermore, the first rack 10, the second rack 15, the first connecting rod 7, the second connecting rod 16, the gear 5 and the transmission shaft 8 are made of stainless steel, so that the equipment is prevented from rusting in the process of pumping water for a long time, and the service life of the equipment is prolonged.

Specifically, when the utility model is used, a drill hole is dug, so that two apertures with different sizes are formed in the drill hole, the aperture of the upper part is larger than the aperture of the lower part, the threaded connection pipe 1 is connected with the adjusting pipe 2 and the steel pipe 14 for the pumping test, after the steel pipe is put into the hole, the position of the baffle 3 is adjusted through the threads on the outer side of the adjusting pipe 2, so that the depth of the steel pipe 14 entering the aperture is adjusted, after the adjustment is completed, the baffle 3 is fixed in the upper aperture through the limiting screw 12 in the threaded hole 13, the steel pipe 14 goes deep into the lower aperture, when the second pressure plate 17 is subjected to the resistance of water flow in the hole, the second pressure plate 17 is moved upwards, so that the second connecting rod 16 is driven to move, the second connecting rod 16 drives the second rack 15 to move, so that the gear 5 is driven to rotate with the transmission shaft 8, the gear 5, first connecting rod 7 drives first pressure disk 6 and removes to make first pressure disk 6, driving plate 9 and second pressure disk 17 oppress and meet water inflation sealing rod 11 after meeting water, make meet water inflation sealing rod 11 and pore wall in close contact with, form the water-proof section, reach the effect of isolated top water, and then better draw water experimental.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 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.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. The water stopping device used in the hydrogeological exploration water pumping test comprises a threaded connecting pipe (1) and is characterized in that one end of the threaded connecting pipe (1) is fixedly connected with an adjusting pipe (2), the outer side of the adjusting pipe (2) is in threaded connection with a baffle (3), four threaded holes (13) are formed in the baffle (3) at equal intervals, one end, far away from the threaded connecting pipe (1), of the adjusting pipe (2) is fixedly connected with a steel pipe (14), the middle part of the outer side of the steel pipe (14) is fixedly connected with a transmission plate (9), transmission grooves (4) are formed in the upper end and the lower end of the transmission plate (9), transmission shafts (8) are rotatably connected in the transmission grooves (4), gears (5) are fixedly connected in the outer side of the transmission shafts (8), and one end, close to the adjusting pipe (2), of the outer side of the steel pipe (14) is in sliding connection with a first pressure plate, the top and the bottom of one side of the first pressure plate (6) are both fixedly connected with a first connecting rod (7), one end of the first connecting rod (7) far away from the first pressure plate (6) is fixedly connected with a first rack (10), the first rack (10) is meshed with the gear (5), one end of the outer side of the steel pipe (14) far away from the first pressure plate (6) is connected with a second pressure plate (17) in a sliding way, the top and the bottom of one side of the second pressure plate (17) close to the first pressure plate (6) are both fixedly connected with a second connecting rod (16), one end of the second connecting rod (16) far away from the second pressure plate (17) is fixedly connected with a second rack (15), second rack (15) are connected with gear (5) meshing, the outside of steel pipe (14) just is located and all twines between first pressure disk (6), second pressure disk (17) and driving plate (9) and has met water inflation sealing rod (11).

2. The water stopping device for the hydrogeological exploration water pumping test according to claim 1, wherein: and the inner parts of the threaded holes (13) are all in threaded connection with limit screws (12).

3. The water stopping device for the hydrogeological exploration water pumping test according to claim 1, wherein: and both ends of the outer side of the steel pipe (14) are fixedly connected with baffle rings (18).

4. The water stopping device for the hydrogeological exploration water pumping test according to claim 1, wherein: and a filter screen (19) is fixedly connected inside the steel pipe (14).

5. The water stopping device for the hydrogeological exploration water pumping test according to claim 1, wherein: the first rack (10) and the second rack (15) are equal in size.

6. The water stopping device for the hydrogeological exploration water pumping test according to claim 1, wherein: the width of the two ends of the transmission groove (4) is equal to that of the second rack (15).

7. The water stopping device for the hydrogeological exploration water pumping test according to claim 1, wherein: the first rack (10), the second rack (15), the first connecting rod (7), the second connecting rod (16), the gear (5) and the transmission shaft (8) are all made of stainless steel.