CN216695727U

CN216695727U - Water pumping test device for coal mine hydrogeological exploration

Info

Publication number: CN216695727U
Application number: CN202220035595.4U
Authority: CN
Inventors: 吴冰冰; 龙洋
Original assignee: Guizhou Coalfield Xinrui Geological Exploration Co ltd
Current assignee: Guizhou Coalfield Xinrui Geological Exploration Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-06-07
Anticipated expiration: 2032-01-07

Abstract

The utility model relates to the technical field of coal mine exploration, and particularly discloses a water pumping test device for coal mine hydrogeological exploration, which comprises a water pumping mechanism and a supporting mechanism, wherein the water pumping mechanism comprises a water pumping pipe, a water pumping pump, an acquisition part, two electric hydraulic push rods, an acquisition plate, a control unit and a sampling cylinder, the water pumping pump is fixedly connected with the supporting mechanism and the water pumping pipe, the acquisition part comprises an acquisition pipe and an acquisition head, one end of the acquisition pipe is fixedly connected with the water pumping pump, the other end of the acquisition pipe is fixedly connected with the acquisition head, the acquisition head is fixed and penetrates through the acquisition plate, the two electric hydraulic push rods are both fixedly connected with the acquisition plate and a supporting plate, the sampling cylinder is placed on the top surface of a base, the control unit is fixed on the supporting plate, the water pumping test device for coal mine hydrogeological exploration solves the problem that the coal mine water sample extraction efficiency is low due to the fact that the coal mine water sample extraction process is complex when a water pumping test is carried out on most of water pumping test devices for coal mine hydrogeological exploration in the prior art.

Description

Water pumping test device for coal mine hydrogeological exploration

Technical Field

The application relates to the technical field of coal mine exploration, and particularly discloses a water pumping test device for coal mine hydrogeological exploration.

Background

The pumping test comprises the steps of pumping a certain amount of water from the pumping well, measuring the change of underground water levels at different time by the observation well at a certain distance, and analyzing the results of the pumping test by utilizing various underground water flow theoretical formulas or graphical methods thereof through the observation data.

Need carry out hydrogeological exploration to the colliery when mining to the colliery that can be better, the test of drawing water is the means of carrying out hydrogeological exploration to the colliery, and the staff can adopt colliery hydrogeological exploration to draw water the test device with drawing water when drawing water the test to the colliery, and most of colliery hydrogeological exploration for the test device of drawing water is comparatively complicated to the extraction process of colliery water sample when drawing water the test in the current, lead to the extraction efficiency of colliery water sample lower.

In view of this, the inventor provides a water pumping test device for coal mine hydrogeological exploration, so as to solve the problem that the extraction efficiency of coal mine water samples is low due to the fact that the extraction process of coal mine water samples is complex when the water pumping test is performed by most of the water pumping test devices for coal mine hydrogeological exploration.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a water pumping test device for coal mine hydrogeological exploration, which solves the problem that most of water pumping test devices for coal mine hydrogeological exploration in the prior art have relatively complex extraction process of coal mine water samples during water pumping test, so that the extraction efficiency of the coal mine water samples is relatively low.

In order to achieve the purpose, the basic scheme of the utility model provides a pumping test device for coal mine hydrogeological exploration, which comprises the following steps: the device comprises a water pumping mechanism for a water pumping test, a base provided with a through hole, a supporting mechanism and a drilling mechanism;

the supporting mechanism comprises four supporting rods and a supporting plate, the top surface of the supporting plate is provided with a moving port, the uniform ends of the four supporting rods are fixed on the top surface of the base, the other ends of the four supporting rods are fixed on the bottom surface of the supporting plate, the drilling mechanism is fixed on the top surface of the supporting plate, the pumping mechanism comprises a pumping pipe, a placing box, a moving unit, a pumping pump, two fixing units and a collecting unit, the moving unit comprises a first moving plate and two moving blocks, the fixing units comprise fixing rods and fixing plates, the first moving plate is placed on the supporting plate, the placing box and the pumping pump are both fixed on the top surface of the first moving plate, the two moving blocks are both fixed on the bottom surface of the first moving plate and slide in the moving port and abut against the inner surface of the moving port, the pumping pipe is placed in the placing box, one end of the pumping pipe penetrates through the pumping port and extends out of the placing box, and the other end of the pumping pipe penetrates through the side wall of the placing box and is fixedly connected with the pumping pump, two first fixing holes are formed in the top surface of the first moving plate, a plurality of second fixing holes which are symmetrically arranged are formed in the top surface of the supporting plate, one end of each fixing rod is fixed on the bottom surface of the fixing plate, the other end of each fixing rod is fixedly and slidably arranged in the first fixing hole and the second fixing hole, and the fixing plate abuts against the top surface of the moving plate;

the collection unit includes collection portion, two electronic hydraulic push rods, gather the board, control unit and sampling cylinder, collection portion is including gathering pipe and acquisition head, gather pipe one end fixed connection suction pump, other end fixed connection acquisition head, acquisition head is fixed and runs through the collection board, two electronic hydraulic push rod homogeneous end fixed connection acquisition boards, the other end is fixed on the backup pad bottom surface, the sampling cylinder is placed on the base top surface, and under the acquisition head, control unit fixes on the backup pad bottom surface, and electric suction pump and two electronic hydraulic push rods of connection.

Compared with the prior art, the utility model has the following effects: when a water pumping test is to be carried out on a coal mine, a worker firstly drills a coal bed by using a drilling mechanism, then places a sampling cylinder on the top surface of a base and under a collecting head, then moves a first moving plate to be right above a through hole, then draws a water pumping pipe out and places the water pumping pipe into the drill hole, when the water pumping pipe reaches a water pumping position, the worker starts a water pumping pump, the water pumping pipe starts to pump a water sample in the drill hole, meanwhile, a control unit controls two electric hydraulic push rods to move the collecting head downwards until the bottom end of the collecting head enters the sampling cylinder, then the water sample in the drill hole is pumped into the sampling cylinder, after the water sample in the sampling cylinder is completely collected, the worker stops the work of the water pumping pump, and the control unit controls the two electric hydraulic push rods to drive the collecting head to return to the original position The two electric hydraulic push rods, the collecting plate and the collecting head can stably collect the water sample of the collecting cylinder, so that the direct control of manually collecting the water sample of the collecting cylinder and the waste of the water sample in the process of entering the collecting cylinder are reduced, and the extraction efficiency of the water pumping test device for coal mine hydrogeological exploration on the coal mine water sample is improved; the arrangement of the water pumping pipes on the supporting plate can be disorderly by adopting the placing box, so that the arrangement time of workers on the water pumping pipes during water sample extraction is reduced, and the efficiency of the water pumping pipes for extracting a coal mine water sample is improved; the adoption can make things convenient for the drinking-water pipe mouth to remove to pass directly over the mouth with the mobile unit, has reduced the crooked degree of drinking-water pipe, has reduced the drinking-water pipe and has passed the frictional force between the mouth, has increased the life of drinking-water pipe.

Furthermore, the drinking-water pipe includes first soft plastic layer, second inflation layer and third water pumping layer, and the second inflation layer is fixed on the third water pumping layer lateral surface, and first soft plastic layer is fixed on the second inflation layer lateral surface, and has seted up a plurality of intercommunicating pores, and intercommunicating pore intercommunication second inflation layer and external world.

Compared with the prior art, the utility model has the following effects: first soft plastic layer and second inflation layer can be met water back quick inflation to block up the non-sampling area in the drilling, the water sample that has reduced the drinking-water pipe extraction receives the pollution of other regional waters, has improved the practicality of drinking-water pipe.

Further, the sampling cylinder comprises a cylinder body and two rotating mechanisms, each rotating mechanism comprises a rotating rod, a rotating plate, a rotating spring and a rotating frame, the two rotating rods are fixed to the upper end of the inner surface of the cylinder body, the rotating plates are connected with the rotating rods in a rotating mode, the rotating frames are fixed to the top surface of the cylinder body, one end of each rotating spring is fixed to each rotating frame, and the other end of each rotating spring is fixed to the top surface of each rotating plate.

Compared with the prior art, the utility model has the following effects: the rotating rod and the rotating plate can leave space for the collecting head when the collecting head injects a water sample into the barrel, the practicability of the collecting head is guaranteed, the rotating spring can enable the rotating plate to return to the original position after rotating, the water sample in the barrel is continuously protected, and the practicability of the rotating plate is improved.

Further, still include stop gear, stop gear includes limiting plate, stopper and butt plate, and the fixed one end of limiting plate is fixed on the base top surface, and spacing mouth has been seted up to the other end, and stopper one end is fixed on the barrel side, other end fixed connection butt plate, and the stopper slides in spacing mouth, and barrel one end is kept away from to butt plate butt limiting plate.

Compared with the prior art, the utility model has the following effects: limiting mechanism can restrict the barrel, prevents that the barrel from being knocked down or remove by the collecting head spun water sample when carrying out the collection of water sample, has guaranteed the stability of barrel position.

Further, the drilling mechanism comprises a second movable plate, four positioning units, a power unit and a drilling unit, the second movable plate is placed on the supporting plate, the positioning units comprise a positioning rod and a positioning plate, one end of the positioning rod is fixedly connected with the positioning plate, the other end of the positioning rod passes through the second movable plate and slides in a second fixed hole, the four positioning units are symmetrically arranged along the central line of the second movable plate, the drilling unit comprises a drill bit, a drilling threaded rod, a limiting frame, a drilling threaded pipe, two limiting blocks, a first gear and a supporting pipe, the supporting pipe is fixed on the top surface of the second movable plate, one end of each of the two limiting blocks is fixedly connected with the drilling threaded pipe, the other end of each of the two limiting blocks is rotatably connected with the supporting pipe, one end of the limiting frame is fixed on the bottom surface of the second movable plate, the other end of the limiting frame slides in the moving port, the drilling threaded rod is in threaded connection with the drilling threaded pipe and the limiting frame, the first gear is fixed on the drilling threaded pipe, the drill bit is fixed on the bottom surface of the drilling threaded rod, and the power unit is fixed on the second movable plate and meshed with the first gear.

Compared with the prior art, the utility model has the following effects: the drill bit and the drilling threaded rod can drill a coal seam in a coal mine, the water pumping pipe is convenient to extract a water sample in the coal seam, the practicability of the water pumping pipe is guaranteed, the first movable plate can conveniently move the drill bit and the drilling threaded rod, and the practicability of the drill bit and the drilling threaded rod is improved.

Further, the power unit includes motor power, the second gear, the driving shaft, the third gear, driven shaft and restriction portion, restriction portion includes restriction pipe and restriction dish, restriction groove has been seted up on the restriction intraductal surface, the restriction dish rotates at the restriction inslot, motor power and restriction pipe are all fixed on second movable plate top surface, one section fixed connection motor power's of driving shaft motor shaft, other end fixed connection third gear, driven shaft one end fixed connection restriction dish, other end fixed connection second gear, first gear of second gear meshing and third gear.

Compared with the prior art, the utility model has the following effects: the second gear can reduce the rotational speed that the third gear transmission was come to increase the moment of torsion that the drilling threaded rod received, let the drill bit can be more stable and quick drill the coal seam, improved the practicality of drill bit.

Further, still include four moving mechanism, moving mechanism includes carriage release lever, carriage release tray, carriage release rack and walking wheel, and carriage release lever one end is fixed on the base bottom surface, and other end fixed connection carriage release tray, the diameter of carriage release tray are greater than the rod footpath of carriage release lever, and carriage release lever and carriage release tray all rotate and connect the carriage release rack, and the walking wheel rotates and connects the double-phase internal surface of carriage release rack.

Compared with the prior art, the utility model has the following effects: the four moving mechanisms can change the sliding between the base and the ground into rolling, so that the resistance of the workers when moving the base is reduced, and the efficiency of the workers for moving the base is increased.

Further, the stabilizing mechanism comprises four stabilizing mechanisms, each stabilizing mechanism comprises a first stabilizing frame, a stabilizing rod, a stabilizing bolt, a stabilizing spring and a second stabilizing frame, the first stabilizing frame is fixed on the top surface of the base, the second stabilizing frame is fixed on the side surface of the base, the stabilizing rod slides between the second stabilizing frame and the base, a first stabilizing threaded hole is formed in the stabilizing rod, two second stabilizing threaded holes which are arranged in a row are formed in the second stabilizing frame, the first stabilizing threaded hole and the second stabilizing threaded holes are matched with the stabilizing bolt, the stabilizing bolt is in threaded connection with the stabilizing frames and the stabilizing rod, one end of the stabilizing spring is fixed on the bottom surface of the stabilizing plate, and the other end of the stabilizing spring is fixedly connected with the top surface of the stabilizing rod.

Compared with the prior art, the utility model has the following effects: the stabilizer bar can be fixed the base, and the relative stability of the drill bit during operation base position of being convenient for has improved the practicality of base, and stabilizing spring can extrude the stabilizer bar after the stabilizer bar inserts ground, has improved the practicality of stabilizer bar.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a front view of an embodiment of a water pumping test device for coal mine hydrogeological exploration;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a partial enlarged view of portion A of FIG. 2;

FIG. 4 is a partial enlarged view of portion B of FIG. 2;

FIG. 5 is an enlarged view of a portion C of FIG. 2;

fig. 6 is a schematic structural view of the pumping tube in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The following is further detailed by the specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a base 1, a supporting rod 2, a water suction pump 3, a placing box 4, a drilling threaded rod 5, a power motor 6, a supporting plate 7, a sampling cylinder 8, a water suction pipe 9, a rotating plate 10, a collecting head 11, a limiting frame 12, a stabilizing rod 13, a stabilizing bolt 14, a third water suction layer 15 and a second expansion layer 16.

Example (b):

the specific implementation process of the utility model comprises the following steps: a water pumping test device for coal mine hydrogeological exploration is shown in figures 1 and 2 and comprises a water pumping mechanism for a water pumping test, a base 1 with a through hole, a supporting mechanism and a drilling mechanism;

the supporting mechanism comprises four supporting rods 2 and a supporting plate 7, the top surface of which is provided with a moving port, the uniform ends of the four supporting rods 2 are fixed on the top surface of a base 1, the other ends of the four supporting rods are fixed on the bottom surface of the supporting plate 7, the drilling mechanism is fixed on the top surface of the supporting plate 7, the pumping mechanism comprises a pumping pipe 9, a placing box 4, the side surface of which is provided with a pumping port, a moving unit, a pumping pump 3, two fixing units and a collecting unit, the moving unit comprises a first moving plate and two moving blocks, the fixing units comprise fixing rods and fixing plates, the first moving plate is placed on the supporting plate 7, the placing box 4 and the pumping pump 3 are both fixed on the top surface of the first moving plate, the two moving blocks are both fixed on the bottom surface of the first moving plate and slide in the moving port and abut against the inner surface of the moving port, the pumping pipe 9 is placed in the placing box 4, one end of the pumping pipe passes through the pumping port and extends out of the placing box 4, and the other end of the pumping pipe passes through the side wall of the placing box 4 and is fixedly connected with the pumping pump 3, two first fixing holes are formed in the top surface of the first moving plate, a plurality of second fixing holes are symmetrically formed in the top surface of the supporting plate 7, one end of each fixing rod is fixed to the bottom surface of the corresponding fixing plate, the other end of each fixing rod is fixedly and slidably arranged in the corresponding first fixing hole and the corresponding second fixing hole, and the fixing plates abut against the top surfaces of the moving plates;

the collection unit includes collection portion, two electronic hydraulic rod, gather the board, the control unit and sampling cylinder 8, collection portion includes collection pipe and collection head 11, collection pipe one end fixed connection suction pump 3, other end fixed connection collection head 11, collection head 11 is fixed and runs through the collection board, two electronic hydraulic rod homogeneous end fixed connection gather the board, the other end is fixed on 7 bottom surfaces of backup pad, sampling cylinder 8 is placed on 1 top surface of base, and under collection head 11, the control unit is fixed on 7 bottom surfaces of backup pad, and electricity connection suction pump 3 and two electronic hydraulic rod.

As shown in fig. 6, the pumping pipe 9 includes a first soft plastic layer, a second expansion layer 16 and a third pumping layer 15, the second expansion layer 16 is fixed on the outer side of the third pumping layer 15, the first soft plastic layer is fixed on the outer side of the second expansion layer 16 and is provided with a plurality of communication holes, and the communication holes communicate the second expansion layer 16 with the outside.

As shown in fig. 2 and fig. 3, the sampling cartridge 8 comprises a cartridge body and two rotating mechanisms, each rotating mechanism comprises a rotating rod, a rotating plate 10, a rotating spring and a rotating frame, the two rotating rods are fixed on the upper end of the inner surface of the cartridge body, the rotating plate 10 is rotatably connected with the rotating rod, the rotating frame is fixed on the top surface of the cartridge body, one end of the rotating spring is fixed on the rotating frame, and the other end of the rotating spring is fixed on the top surface of the rotating plate 10.

As shown in fig. 1 and 2, the barrel fixing device further comprises a limiting mechanism, the limiting mechanism comprises a limiting plate, a limiting block and a butt plate, one end of the limiting plate is fixed on the top surface of the base 1, a limiting opening is formed in the other end of the limiting plate, one end of the limiting block is fixed on the side face of the barrel, the other end of the limiting block is fixedly connected with the butt plate, the limiting block slides in the limiting opening, and the butt plate is abutted against the limiting plate to keep away from one end of the barrel.

As shown in fig. 2 and 4, the drilling mechanism comprises a second moving plate, four positioning units, a power unit and a drilling unit, the second moving plate is placed on a support plate 7, the positioning units comprise a positioning rod and a positioning plate, one end of the positioning rod is fixedly connected with the positioning plate, the other end of the positioning rod passes through the second moving plate and slides in a second fixed hole, the four positioning units are symmetrically arranged along the central line of the second moving plate, the drilling unit comprises a drill bit, a drilling threaded rod 5, a limiting frame 12, a drilling threaded pipe, two limiting blocks, a first gear and a support pipe, the support pipe is fixed on the top surface of the second moving plate, one end of each of the two limiting blocks is fixedly connected with the drilling threaded pipe, the other end of each of the two limiting blocks is rotatably connected with the support pipe, one end of the limiting frame 12 is fixed on the bottom surface of the second moving plate, the other end of the limiting frame slides in the moving hole, the drilling threaded rod 5 is in threaded connection with the drilling threaded pipe and the limiting frame 12, the first gear is fixed on the drilling threaded pipe, the drill bit is fixed on the bottom surface of the drilling threaded rod 5, and the power unit is fixed on the second moving plate and meshed with the first gear.

As shown in fig. 1 and 2, the power unit includes motor 6, the second gear, the driving shaft, the third gear, driven shaft and restriction portion, restriction portion includes restriction pipe and restriction dish, the restriction groove has been seted up on the restriction intraductal surface, the restriction dish rotates in the restriction inslot, motor 6 and restriction pipe are all fixed on second movable plate top surface, the motor shaft of one section fixed connection motor 6 of driving shaft, other end fixed connection third gear, driven shaft one end fixed connection restriction dish, other end fixed connection second gear, first gear of second gear meshing and third gear.

As shown in fig. 1 and 2, the four-wheel-type mobile robot further comprises four moving mechanisms, each moving mechanism comprises a moving rod, a moving disc, a moving frame and a moving wheel, one end of each moving rod is fixed on the bottom surface of the base 1, the other end of each moving rod is fixedly connected with the moving disc, the diameter of each moving disc is larger than the diameter of each moving rod, the moving rods and the moving discs are rotatably connected with the moving frames, and the moving wheels are rotatably connected with the two inner surfaces of the moving frames.

As shown in fig. 2 and 5, the stabilizer further includes four stabilizing mechanisms, each stabilizing mechanism includes a first stabilizing frame, a stabilizing rod 13, a stabilizing bolt 14, a stabilizing spring and a second stabilizing frame, the first stabilizing frame is fixed on the top surface of the base 1, the second stabilizing frame is fixed on the side surface of the base 1, the stabilizing rod 13 slides between the second stabilizing frame and the base 1, a first stabilizing threaded hole is formed in the stabilizing rod 13, two second stabilizing threaded holes arranged in a row are formed in the second stabilizing frame, the first stabilizing threaded hole and the second stabilizing threaded hole are matched with the stabilizing bolt 14, the stabilizing bolt 14 is in threaded connection with the stabilizing frame and the stabilizing rod 13, one end of the stabilizing spring is fixed on the bottom surface of the stabilizing plate, and the other end of the stabilizing spring is fixedly connected with the top surface of the stabilizing rod 13.

When a water pumping test is to be carried out on a coal mine, a worker firstly drills a hole in the coal seam by using a drilling mechanism, then places the sampling cylinder 8 on the top surface of the base 1 and under the collecting head 11, then the first moving plate is moved to the position right above the through hole, then the staff draws out the pumping pipe 9 and puts the pumping pipe into the drill hole, when the water pumping pipe 9 reaches the position for pumping water, a worker starts the water pumping pump 3, the water pumping pipe 9 starts to pump the water sample in the drilled hole, meanwhile, the control unit controls the two electric hydraulic push rods to move the collecting head 11 downwards until the bottom end of the collecting head 11 enters the sampling cylinder 8, then a water sample in a drill hole is pumped into the sampling cylinder 8, after the water sample collection in the sampling cylinder 8 is finished, the worker stops the work of the water suction pump 3, the control unit can control the two electric hydraulic push rods to drive the collection head 11 to return to the original position, and the water suction pump 3 and the control unit are electrically connected with an external power supply.

First soft plastic layer and second inflation layer 16 can be after meeting water and expand fast to block up the non-sampling area in the drilling hole, the water sample that has reduced the extraction of drinking-water pipe 9 receives the first soft plastic layer of pollution of the water in other regions can be formed by the nylon preparation, and second inflation layer 16 can have the preparation of meeting water inflation rubber to form, and water layer 15 can be made by soft pvc pipe to the third.

The rotary rod and the rotary plate 10 can reserve a space for the collecting head 11 when the collecting head 11 injects a water sample into the barrel, the practicability of the collecting head 11 is guaranteed, the rotary spring can enable the rotary plate 10 to return to the original position after rotating, and the rotary plate 10 and the rotary rod can be made of stainless steel.

Stop gear can restrict the barrel, prevents that the barrel from being knocked down or remove by the 11 spun water samples of collection head when carrying out the collection of water sample, has guaranteed the stability of barrel position, and the limiting plate can be made by the stainless steel and form.

When going on driling to the coal seam, the staff removes the second movable plate and passes directly over the hole earlier, restarts the power pack, and the power pack can take first gear to rotate, and first gear can take the drilling screwed pipe to rotate together, and relative movement can take place with spacing 12 and drilling screwed pipe for drilling threaded rod 5, drilling screwed pipe downstream to taking the drill bit to drill the coal seam, the power pack reversal can be taken drilling threaded rod 5 and drill bit upward movement together.

When the drilling threaded rod 5 is to be moved downwards, a worker starts the power motor 6, the power motor 6 drives the driving shaft and the third gear to rotate, the third gear drives the second gear to rotate, the second gear drives the third gear to rotate, and the drilling threaded rod 5 starts to move downwards under the action of the third gear and the drilling threaded pipe.

Four moving mechanism can become the roll to the slip between base 1 and the ground, have reduced the resistance that the staff received when removing base 1, have increased the efficiency that the staff removed base 1, remove the frame and can be made by the stainless steel, remove the dish and can increase walking wheel pivoted angle.

When will fixing base 1, the staff screws out stabilizing bolt 14 from the second stabilizing thread hole and the first stabilizing thread hole of the top earlier, then inserts stabilizing rod 13 under the ground to let the second stabilizing thread hole of the bottom align with first stabilizing thread hole, screw in stabilizing bolt 14 in the second stabilizing thread hole and the first stabilizing thread hole of the bottom at last, form the fixed to stabilizing rod 13.

When the water pumping test device for coal mine hydrogeological exploration works, a worker firstly drills a coal seam by using a drilling mechanism, then places a sampling cylinder 8 on the top surface of a base 1 and under a collecting head 11, then moves a first movable plate to be right above the drilled hole, then draws a water pumping pipe 9 out and puts the water pumping pipe into the drilled hole, when the water pumping pipe 9 reaches a water pumping position, the worker starts a water pumping pump 3, the water pumping pipe 9 starts to pump a water sample in the drilled hole, meanwhile, a control unit controls two electric hydraulic push rods to move the collecting head 11 downwards until the bottom end of the collecting head 11 enters the sampling cylinder 8, then the water sample in the drilled hole is pumped into the sampling cylinder 8, after the collection in the sampling cylinder 8 is finished, the worker stops the work of the water pumping pump 3, the control unit controls the two electric hydraulic push rods to drive the collecting head 11 to return to the original position, the water pump 3 and the control unit are both electrically connected with an external power supply.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. The utility model provides a coal mine hydrogeology exploration is with test device that draws water which characterized in that: the device comprises a water pumping mechanism for a water pumping test, a base provided with a through hole, a supporting mechanism and a drilling mechanism;

2. The water pumping test device for coal mine hydrogeological exploration according to claim 1, wherein: the drinking-water pipe includes first soft plastic layer, second inflation layer and third water pumping layer, and the second inflation layer is fixed on the third water pumping layer outside face, and first soft plastic layer is fixed on the second inflation layer outside face, and has seted up a plurality of intercommunicating pores, and intercommunicating pore intercommunication second inflation layer and external.

3. The water pumping test device for coal mine hydrogeological exploration according to claim 1, wherein: the sampling cylinder comprises a cylinder body and two rotating mechanisms, wherein each rotating mechanism comprises a rotating rod, a rotating plate, a rotating spring and a rotating frame, the two rotating rods are fixed to the upper end of the inner surface of the cylinder body, the rotating plates are connected with the rotating rods in a rotating mode, the rotating frames are fixed to the top surface of the cylinder body, one end of each rotating spring is fixed to the rotating frame, and the other end of each rotating spring is fixed to the top surface of the rotating plate.

4. The water pumping test device for coal mine hydrogeological exploration according to claim 3, wherein: still include stop gear, stop gear includes limiting plate, stopper and butt plate, and the fixed one end of limiting plate is fixed on the base top surface, and spacing mouth has been seted up to the other end, and stopper one end is fixed on the barrel side, other end fixed connection butt plate, and the stopper slides in spacing mouth, and barrel one end is kept away from to butt plate butt limiting plate.

5. The water pumping test device for coal mine hydrogeological exploration according to claim 1, wherein: the drilling mechanism comprises a second moving plate, four positioning units, a power unit and a drilling unit, the second moving plate is placed on a supporting plate, the positioning units comprise a positioning rod and a positioning plate, one end of the positioning rod is fixedly connected with the positioning plate, the other end of the positioning rod penetrates through the second moving plate and slides in a second fixed hole, the four positioning units are symmetrically arranged along the central line of the second moving plate, each drilling unit comprises a drill bit, a drilling threaded rod, a limiting frame, a drilling threaded pipe, two limiting blocks, a first gear and a supporting pipe, the supporting pipe is fixed on the top surface of the second moving plate, one end of each limiting block is fixedly connected with the drilling threaded pipe, the other end of each limiting block is rotatably connected with the supporting pipe, one end of the limiting frame is fixed on the bottom surface of the second moving plate, the other end of the limiting frame slides in a moving port, the drilling threaded rod is in threaded connection with the drilling threaded pipe and the limiting frame, the first gear is fixed on the drilling threaded pipe, and the drill bit is fixed on the bottom surface of the drilling threaded rod, the power unit is fixed on the second moving plate and is meshed with the first gear.

6. The water pumping test device for coal mine hydrogeological exploration according to claim 5, wherein: the power unit includes motor power, the second gear, the driving shaft, the third gear, driven shaft and restriction portion, restriction portion includes restriction pipe and restriction dish, restriction groove has been seted up on the restriction intraductal surface, the restriction dish rotates at the restriction inslot, motor power and restriction pipe are all fixed on second movable plate top surface, one section fixed connection motor power's of driving shaft motor shaft, other end fixed connection third gear, driven shaft one end fixed connection restriction dish, other end fixed connection second gear, first gear of second gear meshing and third gear.

7. The water pumping test device for coal mine hydrogeological exploration according to claim 1, wherein: still include four moving mechanism, moving mechanism includes carriage release lever, removal dish, removal frame and walking wheel, and carriage release lever one end is fixed on the base bottom surface, and other end fixed connection removes the dish, and the diameter that removes the dish is greater than the rod footpath of carriage release lever, and carriage release lever and removal dish all rotate to connect and remove the frame, and the walking wheel rotates to connect and removes the double-phase internal surface of frame.

8. The water pumping test device for coal mine hydrogeological exploration according to claim 7, wherein: still include four stabilizing mean, stabilizing mean includes first steadying frame, the stabilizer bar, stabilizing bolt, stabilizing spring and second steadying frame, first steadying frame is fixed on the base top surface, the second steadying frame is fixed on the base side, the stabilizer bar slides between second steadying frame and base, first stable screw hole has been seted up on the stabilizer bar, set up two second stable screw holes of arranging to be one on the second steadying frame, first stable screw hole all cooperatees with stabilizing bolt with second stable screw hole, stabilizing bolt threaded connection steadying frame and stabilizer bar, stabilizing spring one end is fixed on the steadying plate bottom surface, other end fixed connection stabilizer bar top surface.