CN214944151U - Water stop for pumping water in hydrogeology drilling - Google Patents

Abstract

The utility model discloses a water stopper for pumping water in hydrogeological drilling, which relates to the technical field of geological detection and comprises a hollow column, wherein a hollow rod is arranged in the hollow column, the upper end of the hollow rod penetrates through the upper end opening of the hollow column and extends to the upper part of the hollow column, the lower end of the hollow rod penetrates through the bottom inner wall of the hollow column and extends to the lower part of the hollow column, a first groove is formed in the upper end of the inner part of the hollow column, a rotary drum matched with the first groove is arranged in the first groove, and the lower ends of the inner walls at two sides of the first groove and the lower end of the rotary drum are matched to form a first through hole; the utility model can pump water in layers without replacing the water stopper through the hollow rod, the first groove, the rotary drum and the annular cylinder, and can pump water in two water layers synchronously, thereby greatly increasing the working efficiency; through being provided with annular plate, lower annular plate and rubber ring, can separate the interior hydrology of distributive tank, avoid the rivers logical and reduce the accuracy nature of later stage experiment of two water layers.

Description

Water stop for pumping water in hydrogeology drilling

Technical Field

The utility model relates to a geology detects technical field, in particular to waterstop that hydrogeology drilling was drawn water.

Background

Hydrogeological survey, also known as hydrogeological survey, refers to the research work of hydrogeological survey for finding out hydrogeological conditions in a region, and aims to master the cause, distribution and movement rules of underground water and surface water, provide basis for reasonably exploiting and utilizing water resources and correctly designing and constructing foundation and piling projects, and comprises two aspects of underground and above-ground hydrogeological survey, wherein the underground hydrogeological survey is mainly used for investigating and researching the conditions of water level change, flow direction, chemical components and the like of underground water at different periods throughout the year, finding out the burying conditions and the corrosivity of the underground water, judging the possible changes and influences of the underground water in the construction and use stages of buildings, and providing prevention and treatment suggestions.

In the hydrological exploration work, the water pumping test is an important means for taking hydrogeological parameters and researching underground water, can provide basic parameters for water-rich division and underground water resource calculation, and with the continuous improvement of the accuracy of the hydrological geological exploration in China, two aquifers of diving and confined water are often involved in one hydrogeological drilling hole, layered water pumping and layered observation are needed to be carried out, but when the existing water stopper for pumping water in the hydrogeological drilling hole is used, the purpose of layered water pumping is achieved by replacing the water stopper usually, and therefore the work efficiency is reduced. Therefore, it is necessary to develop a water stop for hydrogeological drilling water pumping to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water stop that hydrogeology drilling was taken water to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a water stopper for pumping water in hydrogeological drilling comprises a hollow column, wherein a hollow rod is arranged in the hollow column, the upper end of the hollow rod penetrates through an upper end opening of the hollow column and extends to the upper side of the hollow column, the lower end of the hollow rod penetrates through the bottom inner wall of the hollow column and extends to the lower side of the hollow column, a first groove is formed in the upper end inside the hollow column, a rotary drum matched with the first groove is arranged in the first groove, the lower ends of the inner walls of the two sides of the first groove and the lower end of the rotary drum are matched and provided with first through holes, a filter screen is arranged in each first through hole formed in the rotary drum, the peripheral side of the filter screen is fixedly connected with the peripheral side inner wall of each first through hole in the rotary drum, a sealing block is arranged below the hollow column, a second groove is formed in the middle of the upper surface of the sealing block, and an annular drum is movably sleeved at the lower end of the outer surface of the hollow rod, the lower extreme of an annular section of thick bamboo runs through the bottom inner wall of hollow post and extends to the inner chamber of second recess, the inner wall swing joint of screw thread and second recess is passed through to annular section of thick bamboo surface lower extreme, the second through-hole has all been seted up to the both sides face lower extreme of hollow pole, the lower extreme of hollow pole be located the inner chamber of second recess and with the bottom inner wall fixed connection of second recess.

Preferably, the lower end of the outer surface of the hollow column is movably sleeved with an upper annular plate, the lower end of the outer surface of the hollow column is fixedly sleeved with a lower annular plate located below the upper annular plate, and the lower end of the outer surface of the hollow column is movably sleeved with a rubber ring located between the upper annular plate and the lower annular plate.

Preferably, the lower ends of the two side surfaces of the hollow column are provided with sliding grooves, sliding blocks matched with the sliding grooves are arranged in the sliding grooves, and one side surface, far away from each other, of each sliding block penetrates through the inner wall of one side of each sliding groove and is fixedly connected with the inner wall of the upper annular plate.

Preferably, the equal fixedly connected with fixed block in both sides face upper end of hollow post, the top of fixed block is provided with the screw rod, the lower extreme of screw rod runs through the upper surface of fixed block and extends to the below of fixed block through the screw thread activity.

Preferably, the lower fixed surface of screw rod is connected with the connecting rod, two the lower extreme of connecting rod is connected with the laminating of the upper surface both sides of going up the annular plate respectively.

Preferably, a circular ring plate is fixedly sleeved at the upper end of the outer surface of the rotary drum, and the outer surface of the circular ring plate movably penetrates through the inner wall of one side of the first groove and extends to the outer side of the hollow column.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be provided with hollow pole and first recess in the hollow post, be provided with the rotary drum in the first recess, be provided with annular cylinder on the hollow pole, through rotating the rotary drum, make the water on the submerged layer flow into the inner chamber of hollow pole through first through-hole, in order to reach the pumping work to the submerged layer, drive the seal block through rotating the hollow pole and remove, make the second through-hole break away from the inner chamber of annular cylinder, thereby make the rivers of pressure-bearing water layer go into the inner chamber of hollow pole, in order to reach the pumping work to the pressure-bearing water layer, and then reached and need not to change the water stopper and can carry out pumping work in layers, this device can carry out pumping work to the water of two water layers simultaneously, can greatly increase the work efficiency of this device;

2. the utility model discloses a be provided with the upper annular plate on hollow post, lower annular plate and rubber ring, will go up annular plate and place in the diversion trench of diving layer and pressure-bearing water layer with lower annular plate, plug up the diversion trench, drive the connecting rod through rotating the screw rod and remove and then make the upper annular plate drive the slider at the vertical removal of inner chamber of spout to extrude the rubber ring, make the rubber ring receive the extrusion and appear warping, and then with the diversion trench internal water separation, avoid the rivers expert of two water layers and reduce the accuracy nature of later stage experiment.

Drawings

Fig. 1 is a schematic sectional view of the overall structure of the present invention.

Fig. 2 is the utility model discloses a hollow column structure cuts open schematic diagram down.

Fig. 3 is an enlarged schematic view of a structure in fig. 1 according to the present invention.

In the figure: 1. a hollow column; 2. a hollow shaft; 3. a first groove; 4. a rotating drum; 5. a first through hole; 6. A filter screen; 7. an annular cylinder; 8. a second through hole; 9. a sealing block; 10. a second groove; 11. an upper annular plate; 12. a lower annular plate; 13. a rubber ring; 14. a chute; 15. a slider; 16. a fixed block; 17. A screw; 18. a connecting rod; 19. a circular ring plate.

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.

The utility model provides a water stopper for hydrogeological drilling water pumping as shown in figures 1-3, which comprises a hollow column 1, the upper end opening of the hollow column 1 is communicated with the outside, a hollow rod 2 is arranged in the hollow column 1, the upper and lower end openings of the hollow rod 2 are communicated with the outside, the upper end of the hollow rod 2 penetrates through the upper end opening of the hollow column 1 and extends to the upper part of the hollow column 1, a first groove 3 is arranged at the upper end of the inside of the hollow column 1, a rotary drum 4 matched with the first groove 3 is arranged in the first groove 3, a sealing gasket is bonded on the inner wall of the first groove 3, the sealing gasket increases the sealing property between the rotary drum 4 and the first groove 3, the water leakage phenomenon is prevented, the lower ends of the inner walls at two sides of the first groove 3 are matched with the lower end of the rotary drum 4 and provided with a first through hole 5, a filter screen 6 is arranged in the first through hole 5 arranged on the rotary drum 4, the impurity of filter screen 6 in can being with aquatic filters, prevent in impurity inflow hollow post 1, the week side of filter screen 6 and the 5 week side inner wall fixed connection of first through-hole on the rotary drum 4, the fixed cover in surface upper end of rotary drum 4 has connect ring board 19, the surface activity of ring board 19 runs through one side inner wall of first recess 3 and extends to the outside of hollow post 1, drive rotary drum 4 at the inner chamber rotation of first recess 3 through rotating ring board 19, make first through-hole 5 on the first recess 3 and first through-hole 5 on the rotary drum 4 be same water flat line when rotary drum 4 rotates, thereby in the rivers income hollow post 1 of dive layer through first through-hole 5, in order to reach the water to dive layer and draw water work.

The lower end of the hollow rod 2 penetrates through the bottom inner wall of the hollow column 1 and extends to the lower part of the hollow column 1, a sealing block 9 is arranged below the hollow column 1, a second groove 10 is formed in the middle of the upper surface of the sealing block 9, an annular cylinder 7 is movably sleeved at the lower end of the outer surface of the hollow rod 2, a rubber pad is connected to the inner wall of the annular cylinder 7 in a bonding mode and plays a certain sealing role, meanwhile, the rubber pad extrudes the hollow rod 2 to prevent the hollow rod 2 from sliding off from the hollow column 1, the lower end of the annular cylinder 7 penetrates through the bottom inner wall of the hollow column 1 and extends to the inner cavity of the second groove 10, the lower end of the outer surface of the annular cylinder 7 is movably connected with the inner wall of the second groove 10 through threads, the lower end of the hollow rod 2 is located in the inner cavity of the second groove 10 and is fixedly connected with the bottom inner wall of the second groove 10, second through holes 8 are formed in the lower ends of two side faces of the hollow rod 2, and the sealing block 9 is driven to rotate by rotating the hollow rod 2, the sealed piece 9 rotates and makes second recess 10 break away from with annular section of thick bamboo 7, and then makes second through-hole 8 break away from the inner chamber of annular section of thick bamboo 7 to the water that reaches the pressure-bearing water layer flows in the inner chamber of hollow pole 2 through second through-hole 8, makes this device to the water of pressure-bearing water layer work of drawing water, and then makes this device can reach the purpose that the layering was drawn water, and this device can accomplish the work of drawing water to the water of two water layers in step simultaneously, and then improves the work efficiency of this device greatly.

An upper annular plate 11 is movably sleeved at the lower end of the outer surface of the hollow column 1, a lower annular plate 12 positioned below the upper annular plate 11 is fixedly sleeved at the lower end of the outer surface of the hollow column 1, a rubber ring 13 positioned between the upper annular plate 11 and the lower annular plate 12 is movably sleeved at the lower end of the outer surface of the hollow column 1, sliding grooves 14 are formed in the lower ends of two side surfaces of the hollow column 1, sliding blocks 15 matched with the sliding grooves 14 are arranged in the sliding grooves 14, one side surface, away from each other, of each sliding block 15 penetrates through the inner wall of one side of each sliding groove 14 and is fixedly connected with the inner wall of the upper annular plate 11, fixed blocks 16 are fixedly connected at the upper ends of the two side surfaces of the hollow column 1, screw rods 17 are arranged above the fixed blocks 16, rotating rings are fixedly connected to the upper surfaces of the screw rods 17, the lower ends of the screw rods 17 penetrate through the upper surfaces of the fixed blocks 16 through threads and extend to the lower portions of the fixed blocks 16, connecting rods 18 are fixedly connected to the lower surfaces of the screw rods 17, the lower extreme of two connecting rods 18 is connected with the laminating of the upper surface both sides of last annular plate 11 respectively, through placing the distributive channel with last annular plate 11 and lower annular plate 12, it drives screw rod 17 and rotates to rotate the swivel, screw rod 17 drives the vertical removal of fixed block 16 and then makes last annular plate 11 drive slider 15 at the vertical slip of the inner chamber of spout 14, make the rubber ring 13 that last annular plate 11 is right extrude, this is that rubber ring 13 appears warping, can be with the water separation in the distributive channel, avoid the aqueous phase circulation of two water layers and reduce the accuracy nature of later stage experiment.

The utility model discloses the theory of operation:

when the device is used, the device is firstly placed in a preset drill hole, then the upper annular plate 11 and the lower annular plate 12 are placed in the water diversion grooves of the diving layer and the bearing water layer to separate the diving layer from the bearing water layer, then the screw 17 is rotated to drive the connecting rod 18 to vertically move, the connecting rod 18 drives the upper annular plate 11 to move and further drives the sliding block 15 to vertically move in the inner cavity of the sliding groove 14, so that the rubber ring 13 is further extruded, the rubber ring 13 is attached to the inner wall of the water diversion groove, the water diversion effect is achieved, and the water phase circulation of the two water layers is avoided, so that the accuracy of later-stage experiments is reduced;

then the ring plate 19 is rotated to drive the rotary drum 4 to rotate, so that the first through hole 5 on the first groove 3 and the first through hole 5 on the rotary drum 4 are in the same horizontal line, at the moment, the water in the diving layer flows into the hollow column 1 through the first through hole 5 to achieve the water pumping work on the diving layer, then the hollow rod 2 is rotated to drive the sealing block 9 to move so as to enable the second through hole 8 to be separated from the inner cavity of the second groove 10, further the second through hole 8 is separated from the inner cavity of the ring-shaped drum 7, so that the water in the pressure-bearing water layer flows into the inner cavity of the hollow rod 2 through the second through hole 8 to achieve the water pumping work on the pressure-bearing water layer, thereby the water pumping work can be carried out in a layered manner without replacing a water stopper, meanwhile, the water pumping work on the water in two water layers can be carried out simultaneously, the working efficiency of the device can be effectively improved, and finally the water pipes outside are respectively placed in the hollow column 1 and the hollow rod 2, the water pumping work can be finished.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides a water stop that hydrogeology drilling pumped, includes hollow post (1), its characterized in that: the hollow column is characterized in that a hollow rod (2) is arranged in the hollow column (1), the upper end of the hollow rod (2) penetrates through an upper end opening of the hollow column (1) and extends to the upper side of the hollow column (1), the lower end of the hollow rod (2) penetrates through a bottom inner wall of the hollow column (1) and extends to the lower side of the hollow column (1), a first groove (3) is formed in the upper end of the inner portion of the hollow column (1), a rotary drum (4) matched with the first groove (3) is arranged in the first groove (3), first through holes (5) are formed in the lower ends of the inner walls of the two sides of the first groove (3) and the lower end of the rotary drum (4) in a matched mode, a filter screen (6) is arranged in the first through holes (5) formed in the rotary drum (4), the peripheral side of the filter screen (6) is fixedly connected with the peripheral side inner walls of the first through holes (5) in the rotary drum (4), and a sealing block (9) is arranged below the hollow column (1), second recess (10) have been seted up at the upper surface middle part of sealed piece (9), an annular section of thick bamboo (7) has been cup jointed in the activity of the surface lower extreme of hollow pole (2), the lower extreme of an annular section of thick bamboo (7) runs through the bottom inner wall of hollow post (1) and extends to the inner chamber of second recess (10), the inner wall swing joint of an annular section of thick bamboo (7) surface lower extreme through screw thread and second recess (10), second through-hole (8) have all been seted up to the both sides face lower extreme of hollow pole (2), the lower extreme of hollow pole (2) be located the inner chamber of second recess (10) and with the bottom inner wall fixed connection of second recess (10).

2. The water stop for hydrogeological drilling water pumping according to claim 1, wherein: the utility model discloses a hollow column, including hollow column (1), the outer surface lower extreme activity of hollow column (1) is cup jointed and is gone up annular plate (11), the fixed lower annular plate (12) that have connect the surface lower extreme of hollow column (1) and be located the lower annular plate (11) below of going up annular plate, the outer surface lower extreme activity of hollow column (1) is cup jointed and is located rubber ring (13) between annular plate (11) and lower annular plate (12) down.

3. The water stop for hydrogeological drilling water pumping according to claim 2, wherein: the hollow column is characterized in that sliding grooves (14) are formed in the lower ends of the two side faces of the hollow column (1), sliding blocks (15) matched with the sliding grooves (14) are arranged in the sliding grooves (14), and one side face, far away from each other, of each sliding block (15) penetrates through the inner wall of one side of each sliding groove (14) and is fixedly connected with the inner wall of the upper annular plate (11).

4. The water stop for hydrogeological drilling water pumping according to claim 3, wherein: the hollow column is characterized in that the upper ends of the two side faces of the hollow column (1) are fixedly connected with fixing blocks (16), a screw rod (17) is arranged above the fixing blocks (16), and the lower end of the screw rod (17) penetrates through the upper surface of the fixing blocks (16) through thread movement and extends to the lower side of the fixing blocks (16).

5. The water stop for hydrogeological drilling water pumping according to claim 4, wherein: the lower surface fixed connection of screw rod (17) has connecting rod (18), two the lower extreme of connecting rod (18) is connected with the laminating of the upper surface both sides of upper ring plate (11) respectively.

6. The water stop for hydrogeological drilling water pumping according to claim 5, wherein: the outer surface upper end of rotary drum (4) is fixed to be cup jointed circular ring board (19), the surface activity of circular ring board (19) runs through one side inner wall of first recess (3) and extends to the outside of hollow column (1).

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