CN220419309U - Groundwater pollution monitoring equipment - Google Patents

Abstract

The application provides groundwater pollution monitoring equipment, relates to the water quality monitoring equipment field. The monitoring device comprises a monitoring probe arranged above a monitoring well and a support frame for collecting and releasing the monitoring probe, wherein the support frame comprises a base and a vertical pipe arranged on the base, and a through hole coaxial with the vertical pipe and the monitoring well is formed in the base; a pair of vertical sliding holes are formed in the outer wall of the vertical pipe, a sleeve is arranged in the vertical pipe, a pair of limiting blocks are arranged on the outer wall of the upper part of the sleeve, and the pair of limiting blocks slide in the pair of sliding holes in a one-to-one correspondence manner; the outer wall of the monitoring probe is provided with a protective sleeve, the protective sleeve slides in the sleeve, and the outer diameter of the sleeve is smaller than the inner diameter of the monitoring well. The utility model has the effect that can prevent that monitoring probe from damaging because of the collision at the in-process of putting down.

Description

Groundwater pollution monitoring equipment

Technical Field

The application relates to the field of water quality monitoring equipment, in particular to groundwater pollution monitoring equipment.

Background

Groundwater is one of important water sources for agricultural irrigation and urban water, excessive exploitation and pollution of the groundwater can cause swamp, salinization, landslide, ground subsidence and other phenomena unfavorable to human beings under certain conditions, even surface water is polluted to different degrees, and comprehensive long-term monitoring of the groundwater is helpful for taking different protection measures to the groundwater in different places.

At present, a special monitoring well is drilled downwards at a position needing to be monitored in a common measure for monitoring the pollution condition of underground water, and a monitor is stretched into the water surface of the monitoring well to realize data acquisition. In order to reduce the time of personnel handheld equipment and improve the monitoring accuracy in the long-time monitoring process, a support is generally arranged at the wellhead of a monitoring well, and the monitor is lowered and fixed through the support.

However, in the process that the support was set up, need fix the support through the ground nail, when the soil property of the well head department of monitoring well was comparatively loose, probably can cause the well head to warp for the monitor produces the collision with the well head at the in-process that falls, during actual operation in addition, in order to improve operating efficiency, probably go on the fixed of support and the whereabouts of monitor simultaneously, but if the position of support installation and the offset of monitoring well are great, the monitor also produces the damage easily in the in-process of whereabouts.

Disclosure of Invention

In order to improve the problem that the monitor is easy to damage due to collision in the process of lowering, the application provides groundwater pollution monitoring equipment.

The application provides groundwater pollution monitoring equipment, adopts following technical scheme:

the underground water pollution monitoring equipment is arranged above the monitoring well and comprises a monitoring probe and a support frame for collecting and releasing the monitoring probe, wherein the support frame comprises a base and a vertical pipe arranged on the base, and a through hole coaxial with the vertical pipe and the monitoring well is formed in the base; a pair of vertical sliding holes are formed in the outer wall of the vertical pipe, a sleeve is arranged in the vertical pipe, a pair of limiting blocks are arranged on the outer wall of the upper part of the sleeve, and the pair of limiting blocks slide in the pair of sliding holes in a one-to-one correspondence manner; the outer wall of the monitoring probe is provided with a protective sleeve, the protective sleeve slides in the sleeve, and the outer diameter of the sleeve is smaller than the inner diameter of the monitoring well.

Through adopting above-mentioned technical scheme, before the monitoring probe is transferred, place the base subaerial and with the through-hole with the well head alignment of monitoring well, then release the sleeve pipe, after the bottom contact of stopper and slide hole, the sleeve pipe reaches spacing down, the sheathed tube lower part is located the monitoring well this moment, sheathed tube upper position is located the riser, sheathed tube lower part can effectively prevent the well head department deformation of monitoring well, then put into monitoring probe from the top of riser, monitoring probe rethread sleeve pipe smoothly enters into the monitoring well, and owing to be equipped with the lag on monitoring probe's the outer wall, can play the guard action to monitoring probe, prevent that monitoring probe from taking place to damage at the in-process of transferring.

Preferably, the inner diameter of the sleeve gradually increases from top to bottom, and the outer diameter of the protective sleeve is larger than the minimum inner diameter of the sleeve and smaller than the maximum inner diameter of the sleeve.

Through adopting above-mentioned technical scheme, after finishing monitoring, upwards mention the monitoring probe, because the external diameter of lag is between sheathed tube biggest internal diameter and minimum internal diameter for the monitoring probe rises to the back in a certain position, and the lag can block in the sleeve pipe, and lag and monitoring probe can be separated with the lag, the taking out and the depositing of monitoring probe of being convenient for.

Preferably, a wire tube is arranged at the top of the monitoring probe, and a data wire connected with the monitoring probe penetrates through the wire tube and is led out outwards; the monitoring probe is connected with the protective sleeve through threads.

By adopting the technical scheme, when pollution monitoring to underground water is performed again, the spool is held to insert the monitoring probe into the sleeve, so that the monitoring probe is aligned with the protective sleeve, at the moment, the spool is rotated, the monitoring probe can be connected with the protective sleeve, and then the separation of the protective sleeve and the sleeve is realized through the lower line pressing spool; after monitoring is finished, the monitoring probe is lifted by pulling the data line, after the spool is grasped, the clamping of the protective sleeve and the sleeve is realized by pulling the monitoring probe and the self gravity of the sleeve, and then the spool is rotated, so that the separation of the protective sleeve and the monitoring probe is realized.

Preferably, a pair of notches are arranged at the lower part of the outer wall of the vertical pipe, and the notches are positioned below the sliding holes; the notch is internally provided with a movable block with a trapezoid cross section, a pair of movable blocks are oppositely arranged, one side of each movable block is flush with the outer wall of the vertical pipe, the other side of each movable block is positioned on the inner side of the vertical pipe, and the sleeve moves downwards and pushes the pair of movable blocks to move towards the outer part of the vertical pipe.

Through adopting above-mentioned technical scheme, when the sleeve pipe is under, the sheathed tube bottom can produce the interference with a pair of movable block, and then under sheathed tube gravity and the artificial effect of pushing down the stopper for the sleeve pipe can continue to move in the monitoring well, at this in-process, two movable blocks are separated each other to the outside of displacement to the riser plays the effect that suggestion sleeve pipe has been under.

Preferably, the top of the notch is close to the sliding hole, and the bottom of the notch is communicated with the bottom of the vertical pipe.

Through adopting above-mentioned technical scheme, ensured that the movable block can be with the base contact, and then improve the stability and the smoothness of the in-process of outside removal of movable block, prevent that the movable block card from moving, just also ensured that sheathed tube lower part can reliably descend in the monitoring well.

Preferably, the top of base is equipped with a pair of spout, the bottom of movable block is equipped with the slider, the slider adaptation ground is in slide in the spout, the outer wall of slider with the one side inner wall that the spout kept away from the through-hole is equipped with the spring between.

By adopting the technical scheme, the sliding block slides in the sliding groove, and the sliding direction and the sliding distance are fixed, so that the movable block can be ensured to slide out of the sleeve smoothly; in the process that the movable block slides to the outside of the vertical pipe, the sliding block extrudes the spring, so that the spring is in a compressed energy storage state, and after the monitoring probe and the sleeve are lifted and reset, the spring can push the sliding block and the movable block to reset.

Preferably, the top of the base is also provided with a pair of accommodating grooves which are respectively and correspondingly communicated with the notches of the pair of sliding grooves one by one; one end of the clamping strip is adaptively arranged in the accommodating groove, and the other end of the clamping strip penetrates through the accommodating groove, extends into the sliding groove and abuts against the outer wall of the sliding block.

Through adopting above-mentioned technical scheme, after the pollution condition monitoring to the groundwater in the monitoring well finishes, sleeve pipe and monitoring probe displacement to the upper portion of riser, the spring promotes a pair of slider and movable block and resets, then place the one end of card strip in the storage tank, and at this moment, the other end and the slider contact of card strip, so, after monitoring probe takes out in the riser from, the sleeve pipe can produce the extrusion to a pair of movable block under the action of gravity for a pair of movable block has the trend of the outside removal of riser, and under the spacing effect of card strip, the slider can't produce the motion moreover, and then make the sleeve pipe be limited in the riser reliably and be located the upper portion of a pair of movable block.

Preferably, the base is provided with at least one pair of fixing holes, a ground nail is arranged in each of the plurality of fixing holes, and the base is anchored on the ground through the ground nail; an air cushion is arranged on the outer wall of the sleeve in a surrounding mode, the air pump supplies air to the air cushion through an air pipe, and the air cushion is attached to the inner wall of the monitoring well after being expanded.

By adopting the technical scheme, after the casing is put into the monitoring well, the ground nails are placed in the fixing holes and are knocked downwards, so that the ground nails are penetrated downwards deeply, reliable fixing of the base is realized, and under the supporting effect of the casing, the nailing process of the ground nails can not cause deformation or collapse of soil at the wellhead of the monitoring well, so that the monitoring probe can penetrate through the casing and enter the lower part of the monitoring well; after the casing pipe reaches the lower limit of the lowering, the air pump acts, so that the air cushion expands, on one hand, the support and collapse prevention effect on the wellhead of the monitoring well can be improved, and on the other hand, the gap between the inner wall of the monitoring well and the outer wall of the casing pipe can be complemented, so that the monitoring equipment can correspond to the monitoring wells with different inner diameters, the casing pipes with different outer diameters are prevented from being carried for monitoring, and the convenience in assembly and use of the monitoring equipment is improved.

In summary, the present application includes the following beneficial effects:

1. through the mutual cooperation of sleeve pipe and the air cushion of inflation, realize the transverse support effect to the well head of monitoring well, can prevent that the soil of well head department from comparatively becoming flexible and taking place to collapse, cause monitoring probe unable the transfer or transfer in-process to produce the damage, simultaneously, through the guard action of lag, can ensure that monitoring probe can not produce the collision and cause the damage because of the protrusion on the inner wall of monitoring well or other sturdy matters in the monitoring well at transfer and monitoring in-process.

2. The sliding block and the movable block are in a static state through the limiting action of the clamping strip on the sliding block, so that the bottom of the sleeve is clamped by the pair of movable blocks, and the limiting action on the sleeve is realized; the sleeve pipe can promote the movable block to shift out the riser at the in-process of transferring, and suggestion operating personnel can carry out the operation of puting in of monitoring probe, and the flow is more reasonable, ensures that monitoring probe reentry monitoring well under the dual protection effect that is in sleeve pipe and lag, has ensured that monitoring probe can not take place to damage because of friction or collision at the in-process of transferring or monitoring.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic view of the internal structure of the present application;

FIG. 3 is a schematic enlarged partial view at A in FIG. 1;

FIG. 4 is a schematic diagram showing the assembly state of the protective sleeve and the monitoring probe;

FIG. 5 is a reference diagram of the operational state of FIG. 2;

FIG. 6 is a second reference diagram of the operational state of FIG. 2;

in the figure: 1. monitoring the well; 2. monitoring a probe; 21. a protective sleeve; 22. a conduit; 23. a data line; 3. a support frame; 31. a base; 311. a through hole; 312. a chute; 313. a receiving groove; 314. a fixing hole; 315. ground nails; 316. clamping strips; 32. a riser; 321. a slide hole; 322. a notch; 323. a movable block; 324. a slide block; 325. a spring; 33. a sleeve; 331. a limiting block; 332. an air cushion; 333. and an air pipe.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

Fig. 1 is a schematic perspective view of the present application, and fig. 2 is a schematic view of the internal structure of the present application. Referring to fig. 1 and 2, the underground water pollution monitoring device is erected at a wellhead of a monitoring well 1 and comprises a support frame 3 and a monitoring probe 2, a data line 23 is arranged at the top of the monitoring probe 2, and the data line 23 transmits signals acquired by the monitoring probe 2 to a data processing center so as to evaluate the pollution condition of underground water in the monitoring well 1 in real time;

referring to fig. 2, the support 3 includes a stand pipe 32 and a base 31 with a through hole 311 in the middle, a pair of slide holes 321 extending vertically are provided on the outer wall of the stand pipe 32, a sleeve 33 capable of sliding up and down is provided in the stand pipe 32, a pair of stoppers 331 are provided on the outer wall of the sleeve 33, the pair of stoppers 331 slide in the pair of slide holes 321 in a one-to-one correspondence manner, one end of each stopper 331 is connected with the sleeve 33, and the other end of each stopper 331 passes through the slide hole 321 and extends to the outside of the stand pipe 32.

A pair of notches 322 are formed in the lower portion of the vertical pipe 32 and located below the sliding hole 321, movable blocks 323 with trapezoid cross sections are formed in the notches 322, the bottoms of the notches 322 are communicated with the bottoms of the vertical pipe 32 and are open, the bottoms of the movable blocks 323 can slide on the base 31, the pair of movable blocks 323 are oppositely arranged, specifically, two inclined planes of the pair of movable blocks 323 are oppositely arranged, the distance between the pair of movable blocks 323 is gradually reduced from top to bottom, meanwhile, a pair of sliding grooves 312 and a pair of accommodating grooves 313 are formed in the top of the base 31, springs 325 are arranged in the sliding grooves 312, sliding blocks 324 are arranged at the bottoms of the movable blocks 323, the sliding blocks 324 can slide in the sliding grooves 312 and compress the springs 325, the notch of the accommodating grooves 313 are flush with the notch of the sliding grooves 312 and are communicated with each other, the depth of the accommodating grooves 313 is smaller than that of the sliding grooves 312, one end of a clamping strip 316 is placed in the accommodating grooves 313, and the other end of the clamping strip 316 enters the sliding grooves 312 through the accommodating grooves 313 and contacts with the outer walls of the sliding grooves 324. The sliding groove 312 is matched with the sliding block 324, so that the limiting and guiding effects on the displacement of the movable block 323 are realized, and the movable block 323 can be prevented from being blocked in the notch 322 or falling into the monitoring well 1; when the clamping bar 316 is placed in the accommodating groove 313 and the sliding groove 312 and abuts against the sliding block 324, the movable block 323 cannot generate displacement, and the sleeve 33 is limited in the riser 32.

Fig. 3 is a schematic partial enlarged view at a in fig. 1. Referring to fig. 3 in combination with fig. 2, when the casing 33 needs to be lowered, the clamping strip 316 is taken out, under the action of the self gravity of the casing 33 or the manual lowering of the limiting block 331, the casing 33 can push the pair of movable blocks 323 to be separated from each other and move towards the outside of the vertical pipe 32, so that the casing 33 can smoothly enter the monitoring well 1, the limiting effect on the casing 33 can be achieved through the arrangement of the movable blocks 323, the casing 33 is prevented from automatically falling under the condition of no operation, the alignment difficulty of the casing 33 and the monitoring well 1 is increased, on the other hand, after the movable blocks 323 are observed to be moved out of the vertical pipe 32 by an operator, the casing 33 can be known to be in a state of being inserted into the monitoring well 1, and then the connection effect of the monitoring probe 2 and the protecting sleeve 21 can be carried out, so that the flow is more reasonable, the effect of prompting the operator can be achieved, the monitoring probe 2 can be prevented from being put into the monitoring well 1 when the casing 33 is not put into the monitoring well 1 or the protecting sleeve 21 is not connected with the monitoring probe 2, and the monitoring probe 2 is prevented from being damaged in the monitoring process due to friction or collision.

Fig. 4 is a schematic diagram showing an assembled state of the protection sleeve 21 and the monitoring probe 2. Referring to fig. 4 in combination with fig. 2, further, an air cushion 332 is arranged on the outer wall of the sleeve 33 in a surrounding manner, and the air pump supplies air or pumps air to the air cushion 332 through an air pipe 333, so that the air cushion 332 is in an expanded or contracted state, and the inner diameter of the sleeve 33 is gradually increased from top to bottom; the inner wall of the protective sleeve 21 is provided with an internal thread, the outer wall of the monitoring probe 2 is provided with an external thread matched with the internal thread, thus, the protective sleeve 21 and the monitoring probe 2 can be reliably connected through the threads, the protective sleeve 21 and the monitoring probe 2 are separated from each other in the initial stage, the protective sleeve 21 is arranged in the sleeve 33, and the outer diameter of the protective sleeve 21 is larger than the top inner diameter of the sleeve 33 and smaller than the bottom outer diameter of the sleeve 33, so that the protective sleeve 21 can be blocked on the upper part of the sleeve 33.

When the sleeve 33 is lowered, the air pump pumps out the air in the air cushion 332, so that the air cushion 332 is contracted, the sleeve 33 can slide in the vertical pipe 32 and is inserted into the monitoring well 1, after the monitoring well 1 is inserted into the lower part of the sleeve 33, the air pump supplies air to the air cushion 332, so that the air cushion 332 is expanded, on one hand, the transverse supporting force on the wellhead of the monitoring well 1 can be improved, the wellhead can not collapse, the monitoring probe 2 can smoothly pass through, on the other hand, when the inner diameter of the monitoring well 1 is far larger than the outer diameter of the sleeve 33, the gap between the monitoring well 1 and the sleeve 33 can be complemented through the expansion of the air cushion 332, the stability of the vertical pipe 32 can be improved, and the vertical pipe 32 is prevented from being inclined or swayed at a large angle. After the casing 33 is lowered, the upper part of the casing 33 is positioned in the vertical pipe 32, the lower part of the casing 33 is suspended, then the lower part of the casing 33 is inserted into the monitoring well 1, so that the base 31, the vertical pipe 32, the casing 33 and the monitoring well 1 are in a coaxial state, and then the ground nail 315 is inserted into the fixing hole 314 on the base 31, so that the base 31 is fixed on the ground.

Fig. 5 is a reference diagram of the operational state of fig. 2. Referring to fig. 5, after the casing 33 is completely lowered, the conduit 22 at the top of the monitoring probe 2 is held, the monitoring probe 2 is placed in the riser 32 and is threaded into the casing 33, and since the conduit 22 is a hard tube, after the monitoring probe 2 is aligned with the protecting sleeve 21, the protecting sleeve 21 is locked in the casing 33, and the threaded connection between the protecting sleeve 21 and the monitoring probe 2 can be completed by rotating the conduit 22.

Fig. 6 is a second reference diagram of the operational state of fig. 2. Referring to fig. 6, the wire pressing pipe 22 is held again and pressed down, so that the locking effect of the protective sleeve 21 and the sleeve 33 is released, and then the monitoring probe 2 can be lowered by continuously feeding the data wire 23 penetrating from the wire pressing pipe 22 into the sleeve 33, so that the monitoring probe 2 can enter the monitoring well 1 under the protection effect of the protective sleeve 21, the monitoring probe 2 is not prevented from data acquisition, and meanwhile, a good protection effect can be achieved, collision between protrusions or other sundries in the monitoring well 1 and the monitoring probe 2 can be effectively prevented, and the monitoring probe 2 is ensured to be in a reliable working state.

After the monitoring is finished, the monitoring probe 2 can be lifted and recovered by pulling the data wire 23, and before the protective sleeve 21 is clamped with the sleeve 33, the top of the spool 22 is displaced to the outside of the riser 32, so that the spool 22 is held and lifted upwards again, the clamping of the protective sleeve 21 and the sleeve 33 can be realized, and the data wire 23 and the monitoring probe 2 are prevented from being disconnected even damaged when the clamping is realized by directly pulling the data wire 23; after the protective sleeve 21 is blocked, the movable block 323 is reset under the action of the elastic force of the spring 325 to provide a supporting effect on the sleeve 33, and then the spool 22 is reversely rotated, so that the monitoring probe 2 can be screwed out of the protective sleeve 21 to realize the recovery of the monitoring probe 2, and the protective sleeve 21 can be kept in a blocked state until the next monitoring, and is connected with the monitoring probe 2.

The working process of the application is specifically as follows: the clamping strip 316 is taken out of the containing groove 313 and the sliding groove 312, the limiting effect on the sliding block 324 is relieved, in this way, the sleeve 33 can move downwards under the action of self gravity and push the two movable blocks 323 to move towards the outside of the vertical pipe 32, after the limiting block 331 is contacted with the bottom of the sliding block 324 to reach the lower limit, the sleeve 33 is inserted into the monitoring well 1, then the air is conveyed to the air cushion 332 through the air pump, the air cushion 332 is expanded and then is tightly attached to the monitoring well 1, then the base 31 is attached to the ground, the ground nails 315 are nailed into the fixing holes 314, the fixing of the base 31 on the ground is achieved, then the spool 22 is held, the monitoring probe 2 is placed into the vertical pipe 32 and is contacted with the protective sleeve 21, then the spool 22 is rotated, the threaded connection between the monitoring probe 2 and the protective sleeve 21 is completed, the clamping effect of the protective sleeve 21 and the sleeve 33 is relieved, and finally the monitoring probe 2 can be continuously lowered in the monitoring well 1, so that the underground water in the monitoring well 1 is monitored, and the condition of the water quality of the underground water at the position is determined.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. Groundwater pollution monitoring equipment is arranged above a monitoring well (1) and comprises a monitoring probe (2) and a support frame (3) for collecting and releasing the monitoring probe (2), and is characterized in that the support frame (3) comprises a base (31) and a vertical pipe (32) arranged on the base (31), and a through hole (311) coaxial with the vertical pipe (32) and the monitoring well (1) is formed in the base (31);

a pair of vertical sliding holes (321) are formed in the outer wall of the vertical pipe (32), a sleeve (33) is arranged in the vertical pipe (32), a pair of limiting blocks (331) are arranged on the outer wall of the upper part of the sleeve (33), and the pair of limiting blocks (331) slide in the pair of sliding holes (321) in a one-to-one correspondence mode;

the outer wall of the monitoring probe (2) is provided with a protective sleeve (21), the protective sleeve (21) slides in a sleeve (33), and the outer diameter of the sleeve (33) is smaller than the inner diameter of the monitoring well (1).

2. Groundwater pollution monitoring device according to claim 1, characterized in that the inner diameter of the casing (33) increases gradually from top to bottom, the outer diameter of the protective jacket (21) being larger than the smallest inner diameter of the casing (33) and smaller than the largest inner diameter of the casing (33).

3. Groundwater pollution monitoring device according to claim 2, characterized in that the top of the monitoring probe (2) is provided with a conduit (22), and a data line (23) connected with the monitoring probe (2) is arranged in the conduit (22) in a penetrating way and led out;

the monitoring probe (2) is connected with the protective sleeve (21) through threads.

4. Groundwater pollution monitoring device according to claim 1, characterized in that the lower part of the outer wall of the riser (32) is provided with a pair of indentations (322), the indentations (322) being located below the slide holes (321);

the notch (322) is internally provided with a movable block (323) with a trapezoid cross section, the movable blocks (323) are oppositely arranged, one side of each movable block (323) is flush with the outer wall of the vertical pipe (32), the other side of each movable block (323) is positioned at the inner side of the vertical pipe (32), and the sleeve (33) moves downwards and pushes the movable blocks (323) to move towards the outer part of the vertical pipe (32).

5. Groundwater pollution monitoring device according to claim 4, characterized in that the top of the gap (322) is close to the slide hole (321), the bottom of the gap (322) is in communication with the bottom of the riser (32).

6. Groundwater pollution monitoring device according to claim 4, characterized in that the top of the base (31) is provided with a pair of sliding grooves (312), the bottom of the movable block (323) is provided with a sliding block (324), the sliding block (324) slides in the sliding groove (312) in a fitting manner, and a spring (325) is arranged between the outer wall of the sliding block (324) and the inner wall of the sliding groove (312) on one side far away from the through hole (311).

7. The groundwater pollution monitoring device according to claim 6, wherein the top of the base (31) is further provided with a pair of receiving grooves (313), the receiving grooves (313) are respectively and correspondingly communicated with the notches of the sliding grooves (312);

one end of the clamping strip (316) is adaptively arranged in the accommodating groove (313), and the other end of the clamping strip (316) penetrates through the accommodating groove (313), extends into the sliding groove (312) and abuts against the outer wall of the sliding block (324).

8. Groundwater pollution monitoring device according to any one of claims 1-7, characterized in that the base (31) is provided with at least one pair of fixing holes (314), a ground nail (315) is arranged in each of the fixing holes (314), and the base (31) is anchored on the ground through the ground nail (315);

an air cushion (332) is arranged on the outer wall of the sleeve (33) in a surrounding mode, the air pump supplies air to the air cushion (332) through an air pipe (333), and the air cushion (332) is attached to the inner wall of the monitoring well (1) after being expanded.