CN217080414U - Filter material adding device for hollow spiral drilling well construction - Google Patents
Filter material adding device for hollow spiral drilling well construction Download PDFInfo
- Publication number
- CN217080414U CN217080414U CN202123051596.2U CN202123051596U CN217080414U CN 217080414 U CN217080414 U CN 217080414U CN 202123051596 U CN202123051596 U CN 202123051596U CN 217080414 U CN217080414 U CN 217080414U
- Authority
- CN
- China
- Prior art keywords
- disc
- inner ring
- screening
- supporting
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to an underground monitoring technology field. A filter material adding device for a hollow spiral drilling well building comprises a rotating disc, a supporting disc and a screening disc which are detachably connected from bottom to top; the rotating disc, the supporting disc and the screening disc respectively comprise an outer ring and an inner ring which are arranged inside and outside, the outer ring is used for supporting the inner wall of the hollow spiral drill, and the inner ring is used for being attached to the outer wall of the well pipe; the upper end and the lower end of the outer ring of the supporting plate are respectively detachably connected with the screening plate and the outer ring of the rotating plate; the upper end and the lower end of the inner ring of the supporting plate are respectively detachably connected with the screening plate and the inner ring of the rotating plate; the screening disc comprises a screening net, the inner side of the screening net is connected with the inner ring, and the outer side of the screening net is connected with the outer ring; the rotating disc also comprises a bearing, the bearing is fixed on the outer wall of the inner ring of the rotating disc, and blades are fixed on the outer wall of the bearing. This patent has realized that the filter material adds the even reinforced of in-process.
Description
Technical Field
The utility model relates to an underground monitoring technology field specifically is an auxiliary device who bores groundwater monitoring well.
Background
The underground water monitoring well is used as an important setting for underground water quality condition investigation in soil pollution condition investigation, and underground water in an investigation area can be collected by building the underground water monitoring well, so that the effect of analyzing the underground water quality condition is achieved. The hollow spiral well construction method is a common method in the underground water monitoring well construction method, can well meet the specification requirements of related technical specifications on well construction, is disclosed by application patent CN112983428A, and comprises the steps of drilling a hole to a set depth by using a hollow spiral drill, then placing a monitoring well pipe in the hollow spiral drill, filling a filter material in an annular area between the hollow spiral drill and the well pipe, and finally filling a water stop material between the upper layer of the filter material and the ground to construct a well platform, and then well construction is carried out.
The filling uniformity of the filler plays a certain role in supporting and fixing the well pipe.
Application patent CN 212454373U discloses a gravel packing device for an underground water monitoring well, which can uniformly disperse packing by covering a conical cap on the top end of a well pipe of the underground water monitoring well, and connecting the top point of the conical cap with a cylindrical part. But the device is greatly influenced by the adding point of the filter material, and the characteristic of uniform material distribution can be lost when the adding point of the filter material deviates greatly.
Therefore, a filter material adding device for an underground water monitoring well is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a filter material adds device for well is built to cavity auger to solve above at least one technical problem.
In order to achieve the aim, the utility model provides a filter material adding device for hollow auger well building, which is characterized by comprising a rotating disc, a supporting disc and a screening disc which are detachably connected from bottom to top;
the rotating disc, the supporting disc and the screening disc respectively comprise an outer ring and an inner ring which are arranged inside and outside, the outer ring is used for supporting the inner wall of the hollow spiral drill, and the inner ring is used for being attached to the outer wall of the well pipe;
the upper end and the lower end of the outer ring of the supporting disc are detachably connected with the screening disc and the outer ring of the rotating disc respectively;
the upper end and the lower end of the inner ring of the supporting disc are detachably connected with the screening disc and the inner ring of the rotating disc respectively;
the screening disc comprises a screening net, the inner side of the screening net is connected with the inner ring of the screening disc, and the outer side of the screening net is connected with the outer ring of the screening disc;
the rotating disc further comprises a bearing, the bearing is fixed on the outer wall of the inner ring of the rotating disc, and blades are fixed on the outer wall of the bearing.
This patent has realized that the filter material adds the even reinforced of in-process. The filter material with the excessive particle size can be prevented from entering through the screening net, the qualified filter material collides with the blades after descending through the supporting plate, the blades are pushed by the self gravity, then the blades in the rotating state can drive the filter material which falls subsequently to rotate, and finally the filter material falls uniformly through gaps among the blades.
Further preferably, the upper end and the lower end of the outer ring of the supporting disc are respectively connected with the screening disc and the outer ring of the rotating disc in a magnetic adsorption manner;
the upper end and the lower end of the inner ring of the supporting disc are respectively connected with the screening disc and the inner ring of the rotating disc in a magnetic adsorption mode.
The detachable connection of the rotating disc, the supporting disc and the screening disc is convenient to realize.
Or the upper end and the lower end of the outer ring of the supporting disc are respectively in threaded connection with the screening disc and the outer ring of the rotating disc;
the upper end and the lower end of the inner ring of the supporting disc are respectively in threaded connection with the screening disc and the inner ring of the rotating disc.
Or the top of the bearing is higher than the inner ring of the rotating disc, the inner ring of the supporting disc is positioned on the inner side of the bearing, and the inner ring of the supporting disc is vertically abutted against the inner ring of the rotating disc.
The inner ring of the supporting disk and the inner ring of the rotating disk can be detached conveniently.
Further preferably, the inner ring and the outer ring of the rotating disk are connected through at least three connecting rods arranged circumferentially, and the connecting rods are located above or below the blades.
The integration of the rotating disk is convenient to realize.
Further preferably, all the connecting rods are connected with a support ring, and the top of the support ring is abutted with the inner ring of the bearing.
Further preferably, a guide flow cover is sleeved on the inner ring of the rotating disc, and the guide flow cover comprises a support ring abutting against the inner ring of the bearing and a cover body expanding outwards from top to bottom;
the top of the support ring is connected with the cover body;
the air guide sleeve is covered above the bearing.
Avoid packing to pile up at the bearing department. Disturbing the rotation.
Or, be equipped with the conical cover that expands outward from last to down on the inner ring of supporting disk, the conical cover is established the top of bearing.
Avoid packing to pile up at the bearing department. Disturbing the rotation.
Further preferably, a flexible dust-proof sleeve is connected to the inner ring of the screening disc.
The flexible dustproof sleeve is used for shielding the well pipe. Avoiding filler entering the well pipe.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a cross-sectional view of embodiment 1 of the present invention;
fig. 3 is another cross-sectional view of embodiment 1 of the present invention;
fig. 4 is a cross-sectional view of the screening plate according to embodiment 1 of the present invention.
Wherein: 1. screening the disc; 11. screening the net; 12. an inner ring of the screening disc; 2. a support disc; 21. a support disc inner ring; 3. rotating the disc; 31. a bearing; 32. a blade; 33. the inner ring of the rotating disc, 4 is a flow guide cover, 5 is a conical cover, and 6 is a flexible dustproof cover.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
In specific embodiment 1, referring to fig. 1 to 4, a filter material adding device for hollow auger well construction includes a rotating disk 3, a supporting disk 2 and a screening disk 1 which are detachably connected from bottom to top; the rotating disc 3, the supporting disc 2 and the screening disc 1 respectively comprise an outer ring and an inner ring which are arranged inside and outside, the outer ring is used for supporting the inner wall of the hollow spiral drill, and the inner ring is used for being attached to the outer wall of a well pipe; the upper end and the lower end of the outer ring of the supporting disc 2 are detachably connected with the screening disc 1 and the outer ring of the rotating disc 3 respectively; the upper end and the lower end of the supporting disc inner ring 21 are respectively detachably connected with the screening disc 1 and the rotating disc inner ring 33; the screening disc 1 comprises a screening net 11, the inner side of the screening net 11 is connected with the inner ring of the screening disc, and the outer side of the screening net 11 is connected with the outer ring of the screening disc; the rotating disc 3 further comprises a bearing 31, the bearing 31 is fixed on the outer wall of the inner ring of the rotating disc 3, and the outer wall of the bearing 31 is fixed with blades. This patent has realized that the filter material adds the even reinforced of in-process. Firstly, the filtering materials with overlarge particle sizes can be prevented from entering through the screening net 11, the qualified filtering materials collide with the blades 32 after descending through the supporting plate 2, the blades 32 are pushed by the self gravity, then the blades 32 in a rotating state can drive the subsequently falling filtering materials to rotate, and finally the filtering materials uniformly fall through gaps among the blades 32.
The upper end and the lower end of the outer ring of the supporting disc 2 are respectively connected with the screening disc 1 and the outer ring of the rotating disc 3 in a magnetic adsorption manner; the upper end and the lower end of the supporting disc inner ring 21 are respectively connected with the screening disc inner ring 12 and the rotating disc inner ring 33 in a magnetic adsorption manner. The detachable connection of the rotating disc 3, the supporting disc 2 and the screening disc 1 is convenient to realize.
Or the upper end and the lower end of the outer ring of the supporting disk 2 are respectively in threaded connection with the screening disk 1 and the outer ring of the rotating disk 3; the upper end and the lower end of the inner ring of the supporting disc 2 are respectively in threaded connection with the screening disc 1 and the inner ring of the rotating disc 3.
Or the top of the bearing 31 is higher than the inner ring of the rotating disc 3, the inner ring of the support disc 2 is positioned inside the bearing 31, and the inner ring of the support disc 2 is vertically abutted against the inner ring of the rotating disc 3. Facilitating the detachability between the inner ring of the support disc 2 and the inner ring of the rotary disc 3.
The inner ring and the outer ring of the rotating disc 3 are connected through at least three connecting rods arranged circumferentially, and the connecting rods are positioned above or below the blades 32. The integration of the rotating disk 3 is facilitated. All the connecting rods are connected with a support ring, and the top of the support ring is propped against the inner ring of the bearing. The inner ring and the outer ring of the supporting disk can be connected through at least three connecting rods which are circumferentially arranged.
Referring to fig. 4, a flexible dust boot 6 is attached to the inner ring of the screening disk. The flexible boot 6 is used to shield the well pipe. Avoiding filler entering the well pipe. For example, the outer wall of the inner ring of the screening disc is provided with an annular groove, and the open end of the flexible dustproof sleeve is fixed with an elastic ring embedded into the annular groove.
In order to avoid the packing accumulation above the bearing, a cover body for protecting the bearing can be added, and the following schemes can be selected:
referring to fig. 2, a flow guide sleeve 4 is sleeved on the inner ring of the rotating disc, and the flow guide sleeve 4 comprises a support ring abutting against the inner ring of the bearing and a cover body expanding outwards from top to bottom; the top of the support ring is connected with the cover body; the air guide sleeve is covered above the bearing. The outer diameter of the bottom of the cover body is larger than that of the bearing.
Or, referring to fig. 3, a conical cover 5 expanding outwards from top to bottom is arranged on the inner ring of the support plate, and the conical cover 5 covers the upper part of the bearing. Avoid packing to pile up at the bearing department. Disturbing the rotation. The outer diameter of the bottom of the conical cover is larger than that of the bearing.
Compared with the prior art, the utility model discloses the filter material that adds is under the action of gravity of self, through screening net 11 and the rotatory effect of blade, lays the filter material evenly in the annular between groundwater monitoring well pipe and hollow twist drill, and the filter material is added to any direction of groundwater monitoring well, all can prevent effectively that filter material "bridging" phenomenon and hole collapse phenomenon from taking place.
The utility model discloses can avoid adopting the cavity spiral drill to build the well in-process and lead to "bridging" phenomenon to appear because of the inhomogeneous laying of filter material, can effectively prevent the hole of collapsing simultaneously, device simple structure and can dismantle, easy operation makes the well-building filter material add the qualification rate and can reach 100% on satisfying relevant technical specification requirement basis.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A filter material adding device for a hollow spiral drilling well building is characterized by comprising a rotating disc, a supporting disc and a screening disc which are detachably connected from bottom to top;
the rotating disc, the supporting disc and the screening disc respectively comprise an outer ring and an inner ring which are arranged inside and outside, the outer ring is used for supporting the inner wall of the hollow spiral drill, and the inner ring is used for being attached to the outer wall of the well pipe;
the upper end and the lower end of the outer ring of the supporting disc are detachably connected with the screening disc and the outer ring of the rotating disc respectively;
the upper end and the lower end of the inner ring of the supporting disc are detachably connected with the screening disc and the inner ring of the rotating disc respectively;
the screening disc comprises a screening net, the inner side of the screening net is connected with the inner ring of the screening disc, and the outer side of the screening net is connected with the outer ring of the screening disc;
the rotating disc further comprises a bearing, the bearing is fixed on the outer wall of the inner ring of the rotating disc, and blades are fixed on the outer wall of the bearing.
2. A filter material addition apparatus for a hollow auger shaft as claimed in claim 1, wherein: the upper end and the lower end of the outer ring of the supporting disc are respectively connected with the screening disc and the outer ring of the rotating disc in a magnetic adsorption manner;
the upper end and the lower end of the inner ring of the supporting disc are respectively connected with the screening disc and the inner ring of the rotating disc in a magnetic adsorption mode.
3. A filter material addition apparatus for a hollow auger shaft as claimed in claim 1, wherein: the upper end and the lower end of the outer ring of the supporting disc are respectively in threaded connection with the screening disc and the outer ring of the rotating disc;
the upper end and the lower end of the inner ring of the supporting disc are respectively in threaded connection with the screening disc and the inner ring of the rotating disc.
4. A filter material addition apparatus for a hollow auger shaft as claimed in claim 1, wherein: the top of the bearing is higher than the inner ring of the rotating disc, the inner ring of the supporting disc is located on the inner side of the bearing, and the inner ring of the supporting disc is vertically abutted against the inner ring of the rotating disc.
5. A filter material addition apparatus for a hollow auger shaft building according to claim 1 wherein: the inner ring and the outer ring of the rotating disc are connected through at least three connecting rods which are circumferentially arranged, and the connecting rods are positioned above or below the blades.
6. A filter material addition apparatus for a hollow auger shaft as claimed in claim 1, wherein: and the inner ring of the screening disc is connected with a flexible dustproof sleeve.
7. A filter material addition apparatus for a hollow auger shaft as claimed in claim 1, wherein: the inner ring of the supporting disk is provided with a conical cover which expands outwards from top to bottom, and the conical cover is covered above the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123051596.2U CN217080414U (en) | 2021-12-07 | 2021-12-07 | Filter material adding device for hollow spiral drilling well construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123051596.2U CN217080414U (en) | 2021-12-07 | 2021-12-07 | Filter material adding device for hollow spiral drilling well construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217080414U true CN217080414U (en) | 2022-07-29 |
Family
ID=82538568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123051596.2U Active CN217080414U (en) | 2021-12-07 | 2021-12-07 | Filter material adding device for hollow spiral drilling well construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217080414U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116241219A (en) * | 2023-05-06 | 2023-06-09 | 中石化绿源地热能开发有限公司 | Geothermal well moves water and fills gravel construction equipment |
-
2021
- 2021-12-07 CN CN202123051596.2U patent/CN217080414U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116241219A (en) * | 2023-05-06 | 2023-06-09 | 中石化绿源地热能开发有限公司 | Geothermal well moves water and fills gravel construction equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217080414U (en) | Filter material adding device for hollow spiral drilling well construction | |
| CN102116710B (en) | Device for drilling and coring lunar soil in moon outside hole | |
| CA2106074C (en) | Masonry coring system | |
| CN109779523B (en) | Drill rod spiral composite drilling machine for building | |
| CN108043491A (en) | A kind of rice processing equipment | |
| CN112983428B (en) | Method for building underground water environment monitoring well | |
| CN109630008A (en) | A kind of oil drilling and r eoovery machine being conveniently replaceable drill bit | |
| CN109156119B (en) | Pear field planting digging and filling device | |
| CN116548121A (en) | Seedling planting pit digging device with soil screening function | |
| CN114370237A (en) | Method for building underground water monitoring well by adopting hollow spiral drill | |
| CN214347734U (en) | Screening sand device for civil engineering | |
| CN210685891U (en) | Earth collection device for pile drilling machine | |
| KR19980087592A (en) | Grouting pipe device and grouting method for groundwater deep well | |
| CN204252121U (en) | A kind ofly amass native falling stop device for revolving the two V shape liftables digging a pore-forming | |
| CN108405297A (en) | A set of gypsum powder full automatic processing equipment | |
| CN206184730U (en) | High -efficient sieving mechanism | |
| CN211342828U (en) | Punching device for sampling rock soil in oil field exploration | |
| JPH11270266A (en) | Pile-driving machine with cleaning structure | |
| AU2013374173B2 (en) | Drill sample particle distributor | |
| CN220120426U (en) | Portable soft soil sampler | |
| CN206241973U (en) | A kind of hand-held suppresses the latent rig of impeller set | |
| CN207138247U (en) | Inorganic mineral powder screening plant | |
| CN117569288B (en) | Intelligent detection device for filling compactness of collapsible loess subgrade | |
| CN220524469U (en) | Petroleum drilling mud cooling device | |
| CN114515696B (en) | Screening and circulating grinding device capable of automatically judging natural mineral grain grading state |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |