CN217739524U - Water level flow observation device for geological exploration pumping test - Google Patents
Water level flow observation device for geological exploration pumping test Download PDFInfo
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- CN217739524U CN217739524U CN202221424949.0U CN202221424949U CN217739524U CN 217739524 U CN217739524 U CN 217739524U CN 202221424949 U CN202221424949 U CN 202221424949U CN 217739524 U CN217739524 U CN 217739524U
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- geological exploration
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 238000005086 pumping Methods 0.000 title claims description 41
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 238000005553 drilling Methods 0.000 claims abstract description 17
- 230000007704 transition Effects 0.000 claims description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 4
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- 230000003139 buffering effect Effects 0.000 description 4
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
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- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model relates to a water level flow observation device for geological exploration test of drawing water belongs to the field of geological exploration equipment, and it is including detecting the buoy, be equipped with laser range finder on the detection buoy, wear to be equipped with the drilling rod that draws water along self depth direction in the well, still include spacing subassembly, spacing subassembly is used for the restriction to detect the buoy and draws water the distance between the drilling rod. This application carries out relative distance's injecing through spacing subassembly to the detection buoy that is carrying laser range finder and the drilling rod that draws water, makes the detection buoy be difficult for being close to the well inner wall, has reduced the influence of irregular concave-convex structure on the inner wall to the laser signal along vertical direction transmission from this, has improved water level measurement's data accuracy.
Description
Technical Field
The application relates to the field of geological exploration equipment, in particular to a water level flow observation device for a geological exploration pumping test.
Background
The pumping test is a common in-situ test method which is widely applied to the fields of hydrogeology, engineering geology and environmental geology and is used for finding out hydrogeological features of deep rocks and soil layers and obtaining various hydrogeological parameters of aquifers, and provides technical support for water finding well drilling, water resource exploitation schemes, foundation pit precipitation design, pollutant diffusion and the like.
The water level of pumping in-process is one of the important parameters that need carry out the measurement among the pumping test, and among the correlation technique, the drilling rod tip that stretches into in the well is installed the suction pump, places the buoy on the surface of water in the well, installs laser receiver on the buoy, and the well head of well sets up the reflecting plate, and laser emitter launches and receives laser signal to the well head of well and carries out laser rangefinder to reach the laser rangefinder between water level and the well head.
In view of the above-mentioned related technologies, the inventor believes that there is a defect that, for a well with a small caliber, a buoy carrying a laser emitter is easy to float to a position close to the inner wall of the well under the action of water surface tension, and an irregular bulge or a recess on the well wall between the water surface and the wellhead will obstruct the transmission path of a laser signal, so that the laser ranging precision is deviated.
SUMMERY OF THE UTILITY MODEL
In order to improve the above-mentioned problem, this application provides a water level flow observation device for geological exploration pumping test.
The application provides a water level flow observation device for geological exploration pumping test adopts following technical scheme:
the utility model provides a water level flow observation device for geological exploration pumping test, is including detecting the buoy, be equipped with laser range finder on the detection buoy, wear to be equipped with the drilling rod that draws water along self depth direction in the well, still include spacing subassembly, spacing subassembly is used for the restriction to detect the buoy and draws water the distance between the drilling rod.
Through adopting above-mentioned technical scheme, the relative distance of the detection buoy that is carrying laser range finder and the drilling rod that draws water is injectd by spacing subassembly, and the detection buoy is difficult for being close to well inner wall, has reduced concave-convex structure on the inner wall from this to the influence along the laser signal of vertical direction transmission, has improved measurement accuracy.
Preferably, the limiting assembly comprises a limiting sleeve ring, the limiting sleeve ring is sleeved outside the pumping drill rod, the limiting sleeve ring floats on the water surface, and the limiting sleeve ring is connected with the detection buoy.
By adopting the technical scheme, the limiting sleeve ring and the detection buoy float on the water surface together, the limiting sleeve ring is sleeved outside the pumping drill rod, namely, the transverse relative movement distance of the limiting sleeve ring relative to the pumping drill rod is limited, and the transverse movement position of the detection buoy connected with the limiting sleeve ring is also relatively limited.
Preferably, a flexible rope is arranged between the limiting sleeve ring and the detection buoy, one end of the flexible rope is fixedly connected with the detection buoy, and the other end of the flexible rope is fixedly connected with the outer ring side wall of the limiting sleeve ring.
Preferably, a gap is formed between the side wall of the inner ring of the limiting sleeve ring and the side wall of the pumping drill rod, a plurality of transition balls are embedded on the side wall of the inner ring of the limiting sleeve ring, and the transition balls are distributed in the circumferential direction of the limiting sleeve ring.
Through adopting above-mentioned technical scheme, when the drilling rod that draws water takes place circumference or axial displacement, the transition ball can be direct rather than the lateral wall contact and roll relatively, has reduced the striking influence that the spacing lantern ring received, has improved the state stability of the spacing lantern ring, and simultaneously, flexible rope makes the spacing lantern ring and detects the vibration transmission effect between the buoy and weaken greatly to the state stability of detecting the buoy has been improved.
Preferably, the edge of the detection buoy is fixedly connected with a buffer air bag ring.
Through adopting above-mentioned technical scheme, the buffering gasbag ring replaces to detect the buoy and the collision of spacing lantern ring, has great effect of alleviating to impact force, has further improved the state stability who detects the buoy.
Preferably, the limiting sleeve ring comprises two connecting half rings hinged to each other, the axis of the hinged shaft is perpendicular to the axis of the limiting sleeve ring, a fixing piece is arranged at one end, far away from the hinged shaft, of each connecting half ring, and the fixing piece is connected with the two connecting half rings simultaneously.
Preferably, the fixing piece is a fixing bolt, the ends, far away from the hinge shaft of the connecting half rings, of the two connecting half rings are fixedly connected with mounting rings, and the fixing bolt penetrates through all the mounting rings and is in threaded connection with one of the mounting rings.
Through adopting above-mentioned technical scheme, two looks articulated connecting semi-rings can expand the opening that supplies the drilling rod of drawing water to put into, and the spacing lantern ring of being convenient for is established in the cover outside the drilling rod of drawing water, and fixing bolt makes two connecting semi-rings be stable looks lock joint state through screw-thread fit.
Preferably, still include the reflection subassembly, the reflection subassembly is located the well head of water well, the coaxial fixedly connected with of well head of water well supports a section of thick bamboo, the reflection subassembly includes reflecting plate and connecting seat, the connecting seat slides with supporting a section of thick bamboo and is connected, and the direction of sliding is the circumference of a section of thick bamboo that supports, the reflecting plate is connected in one side of connecting seat orientation drilling rod that draws water, the reflecting plate is towards one side fixedly connected with reflector of laser range finder.
Through adopting above-mentioned technical scheme, the reflector can be with penetrating into the light of self along former direction of propagation reflection, then even the face of reflecting plate takes place the slope, laser range finder's laser signal still can normally transmit, has improved the precision of testing result.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the arrangement of the limiting assembly, the relative distance between the detection buoy carrying the laser range finder and the pumping drill rod is limited, and the detection buoy is not easy to be close to the inner wall of the well, so that the influence of a concave-convex structure on the inner wall on laser signal transmission is reduced, and the measurement precision is improved;
2. through the setting of clearance and transition ball between the drill rod lateral wall of drawing water of the inner ring lateral wall of stop collar, the drilling rod that draws water is less to the collision and the influence that the stop collar produced when taking place self axial or ascending position change in week, and then makes the stop collar less to the position influence that detects the buoy production, improves laser range finder's state stability.
Drawings
FIG. 1 is a schematic structural diagram of a water level flow observation device for embodying the water pumping test for geological exploration in the embodiment of the application.
Fig. 2 is a schematic structural diagram for embodying a specific structure of the limiting assembly in the embodiment of the present application.
Fig. 3 is a schematic structural diagram for embodying a reflection assembly in the embodiment of the present application.
Description of the reference numerals: 1. a water well; 11. a support cylinder; 12. pumping a drill rod; 2. a laser range finder; 21. detecting a buoy; 22. a cushion airbag ring; 3. a limiting component; 31. a limiting lantern ring; 311. connecting the half rings; 312. a fixing member; 313. a mounting ring; 32. a transition ball; 33. a flexible cord; 4. a reflective component; 41. a connecting seat; 42. a reflective plate; 43. a mirror.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a water level flow observation device for a geological exploration pumping test, which comprises a laser range finder 2, a detection buoy 21 and a limiting assembly 3, wherein the laser range finder 2 is arranged on the upper portion of the detection buoy; the well head of well 1 is located subaerial, and the depth direction of well 1 is vertical direction, and the pumping drilling rod 12 that carries out the pumping test stretches into in the well along the depth direction of well 1, and laser range finder 2 floats on the surface of water in well 1 through detecting buoy 21, and spacing subassembly 3 is used for injecing the relative distance that detects buoy 21 and pumping drilling rod 12. The laser range finder 2 in the present embodiment has a remote information transmission function, and performs wireless signal transmission with a signal reception terminal of an operator.
As shown in fig. 1 and 2, the stop assembly 3 includes a stop collar 31 and a flexible rope 33, the stop collar 31 is sleeved outside the pumping rod 12, and the stop collar 31 and the detection buoy 21 are made of the same material. The limiting sleeve ring 31 comprises a fixing piece 312 and two connecting half rings 311 which are hinged with each other, the hinge shaft is located at one end of the two connecting half rings 311, and the axis of the hinge shaft and the axis of the limiting sleeve ring 31 are parallel to the fixing piece 312 and are used for fixing the two connecting half rings 311. The end of each connecting half ring 311 far away from the self-hinged shaft is fixedly connected with a mounting ring 313, wherein the number of the mounting rings 313 on one connecting half ring 311 is two, and the number of the mounting rings 313 on the other connecting half ring 311 is one; when the two connector halves 311 are snapped together to form a complete ring, the three mounting rings 313 are coaxial. The fixing member 312 is a fixing bolt, and the fixing bolt passes through all the mounting rings 313 at the same time and is in threaded connection with any one of the mounting rings 313, so that the connection with the two connecting half rings 311 can be realized, that is, the two connecting half rings 311 also form the position-limiting lantern ring 31 with complete shape and stable state.
As shown in fig. 1 and 2, a gap is formed between the inner ring side wall of the position limiting collar 31 and the side wall of the pumping drill rod 12, a plurality of transition balls 32 are embedded on the inner ring side wall of the position limiting collar 31, each transition ball 32 freely rotates relative to the position limiting collar 31, and the plurality of transition balls 32 are arrayed along the circumferential direction of the position limiting collar 31. Even if the spacing collar 31 and the pumping rod 12 are coaxial, the distance of 1cm still exists between the transition ball 32 and the pumping rod 12, and because the spacing collar 31 also floats on the water surface, even if the pumping rod 12 touches the transition ball 32 in the process of moving along the self axial direction or the circumferential direction, the transition ball 32 rotates due to friction, the influence of the transition ball 32 on the state of the spacing collar 31 is reduced, and the stability of the position state of the spacing collar 31 is improved.
As shown in fig. 2, one end of the flexible rope 33 is fixedly connected with the outer ring side wall of the position-limiting lantern ring 31, and the other end is fixedly connected with the edge of the detection buoy 21; detect buoy 21's edge fixedly connected with buffering gasbag ring 22, detect buoy 21 is discoid in this embodiment, laser range finder 2 fixed mounting is in the central point who detects buoy 21, buffering gasbag ring 22 is coaxial with detection buoy 21, when detection buoy 21 is close to with stop collar 31 mutually, buffering gasbag ring 22 can replace detection buoy 21 to bear the collision of stop collar 31, the impact that detection buoy 21 received has been reduced, the state stability of laser range finder 2 is improved.
As shown in fig. 1 and 3, a support cylinder 11 is coaxially and fixedly connected to the wellhead of the well 1, and the upper end surface of the support cylinder 11 is about 15cm higher than the ground. The observation device further comprises a reflection assembly 4, the reflection assembly 4 comprises a reflection plate 42 and a connecting seat 41, a groove structure is arranged on the connecting seat 41, a roller is rotatably connected to the wall of the groove, the surface of the roller is in rolling butt joint with the wall of the supporting cylinder 11, and therefore the connecting seat 41 can slide along the circumferential direction of the supporting cylinder 11. The reflection plate 42 is fixedly connected to one side of the connecting seat 41 facing the pumping drill rod 12, and the surface of the reflection plate 42 is perpendicular to the axis of the well 1. The reflecting plate 42 is fixedly connected with a reflecting mirror 43 on one side facing the laser range finder 2, the reflecting mirror 43 can reflect the light rays emitted into the reflecting plate along the original propagation direction, and even if the plate surface of the reflecting plate 42 is slightly inclined, the laser signals of the laser range finder 2 can still be transmitted normally.
The implementation principle of the water level flow observation device for the geological exploration pumping test is as follows:
the limiting lantern ring 31 is sleeved outside the pumping drill rod 12 and is placed into water together with the detection buoy 21, laser signals are transmitted to the wellhead of the water well 1 and received intermittently along with the laser range finder 2, therefore, the change of the distance between the water surface and the wellhead is measured, and the measured data are transmitted to a receiving terminal of an operator through wireless signals.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a water level flow observation device for geological exploration pumping test, is including detecting buoy (21), be equipped with laser range finder (2) on detecting buoy (21), along self depth direction wear to be equipped with pumping drilling rod (12), its characterized in that in well (1): the device is characterized by further comprising a limiting assembly (3), wherein the limiting assembly (3) is used for limiting the distance between the detection buoy (21) and the pumping drill rod (12).
2. The water level flow observation device for the geological exploration water pumping test according to claim 1, wherein: the limiting assembly (3) comprises a limiting collar (31), the limiting collar (31) is sleeved outside the pumping drill rod (12), the limiting collar (31) floats on the water surface, and the limiting collar (31) is connected with the detection buoy (21).
3. The water level flow observation device for the geological exploration pumping test as claimed in claim 2, wherein: a flexible rope (33) is arranged between the limiting sleeve ring (31) and the detection buoy (21), one end of the flexible rope (33) is fixedly connected with the detection buoy (21), and the other end of the flexible rope is fixedly connected with the outer ring side wall of the limiting sleeve ring (31).
4. The water level flow observation device for the geological exploration water pumping test according to claim 2, wherein: a gap is formed between the inner ring side wall of the limiting sleeve ring (31) and the side wall of the pumping drill rod (12), a plurality of transition balls (32) are embedded on the inner ring side wall of the limiting sleeve ring (31), and the transition balls (32) are distributed in the circumferential direction of the limiting sleeve ring (31).
5. The water level flow observation device for the geological exploration pumping test as claimed in claim 2, wherein: the edge of the detection buoy (21) is fixedly connected with a buffer air bag ring (22).
6. The water level flow observation device for the geological exploration pumping test as claimed in claim 2, wherein: the limiting sleeve ring (31) comprises two connecting half rings (311) which are hinged with each other, the axis of a hinged shaft of the two connecting half rings is perpendicular to the axis of the limiting sleeve ring (31), a fixing piece (312) is arranged at one end, far away from the hinged shaft of the connecting half rings (311), and the fixing piece (312) is connected with the two connecting half rings (311) at the same time.
7. The water level flow observation device for the geological exploration water pumping test according to claim 6, wherein: the fixing pieces (312) are fixing bolts, mounting rings (313) are fixedly connected to one ends, far away from the hinge shaft of the connecting half rings (311), of the two connecting half rings, and the fixing bolts penetrate through all the mounting rings (313) and are in threaded connection with one of the mounting rings (313).
8. The water level flow observation device for the geological exploration pumping test as claimed in claim 1, wherein: still include reflection component (4), reflection component (4) are located the wellhead of well (1), the coaxial fixedly connected with in wellhead of well (1) supports a section of thick bamboo (11), reflection component (4) include reflecting plate (42) and connecting seat (41), connecting seat (41) slide with supporting a section of thick bamboo (11) and be connected, and the direction of sliding is the circumference of supporting a section of thick bamboo (11), reflecting plate (42) are connected in one side of connecting seat (41) orientation pumping drilling rod (12), one side fixedly connected with reflector (43) of reflecting plate (42) orientation laser range finder (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221424949.0U CN217739524U (en) | 2022-06-08 | 2022-06-08 | Water level flow observation device for geological exploration pumping test |
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CN202221424949.0U CN217739524U (en) | 2022-06-08 | 2022-06-08 | Water level flow observation device for geological exploration pumping test |
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CN217739524U true CN217739524U (en) | 2022-11-04 |
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- 2022-06-08 CN CN202221424949.0U patent/CN217739524U/en active Active
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Effective date of registration: 20231228 Address after: Building 3, No. 59, Yuquan Road, Shijingshan District, Beijing 100043 Patentee after: CHINA COAL GEOLOGY GROUP Co.,Ltd. Address before: Room 205, 303, No. 17, Lane 1088, Qishan Road, Pudong New Area, Shanghai, 200135 Patentee before: SHANGHAI CGC GEOPHYSICAL PROSPECTING MEASUREMENT CO.,LTD. |