CN220395714U - Liftable catheter for coal mine overburden separation layer grouting settlement reduction - Google Patents
Liftable catheter for coal mine overburden separation layer grouting settlement reduction Download PDFInfo
- Publication number
- CN220395714U CN220395714U CN202322006332.8U CN202322006332U CN220395714U CN 220395714 U CN220395714 U CN 220395714U CN 202322006332 U CN202322006332 U CN 202322006332U CN 220395714 U CN220395714 U CN 220395714U
- Authority
- CN
- China
- Prior art keywords
- outer sleeve
- liftable
- catheter
- stabilizing
- 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
- 239000003245 coal Substances 0.000 title claims abstract description 19
- 238000000926 separation method Methods 0.000 title claims abstract description 10
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 33
- 238000007569 slipcasting Methods 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 claims 1
- 239000011435 rock Substances 0.000 claims 1
- 230000006978 adaptation Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 11
- 239000007919 dispersible tablet Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
Landscapes
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model discloses a liftable conduit for coal mine overburden separation layer grouting settlement reduction, which relates to the technical field of coal mines and has the technical scheme that the liftable conduit comprises an outer sleeve, wherein the top surface of the outer sleeve is fixedly connected with a stabilizing shaft, a conduit body is arranged in the stabilizing shaft, the conduit body is inserted and installed in the outer sleeve, and an adaptation groove is formed in the inner bottom wall of the outer sleeve; the lower mounting cylinder is mounted on the lower surface of the outer sleeve, and the lower mounting cylinder is mutually matched with the matching groove; the second stabilizing ring is arranged at the left end of the second telescopic rod, the effect is that the friction force contacted with the outer surface of the catheter body is enhanced through the design of the anti-slip pad, so that the connection is more stable, the stabilizing shaft is limited through the limiting ring, the deflection of the catheter body is avoided, meanwhile, the catheter body can be assisted to move and fix through the design of the plurality of groups of movable balls, and the stability of the grouting of the catheter body is enhanced.
Description
Technical Field
The utility model relates to the technical field of coal mines, in particular to a liftable conduit for coal mine overburden separation layer grouting and settlement reduction.
Background
The underground coal mine is far away from the ground surface, coal is generally required to be extracted from underground excavation roadways, and grouting holes are required to be subjected to grouting in the excavation process.
For this, chinese application number: CN217106937U discloses a liftable conduit for coal mine overburden separation layer grouting subsidence reducing, which comprises a conduit, an outer sleeve, a clamping plate and stirring blades, wherein the outer sleeve is fixedly connected with the outside of the conduit, one end of the clamping plate extends out of the outer sleeve, the other end of the clamping plate is clung to a pushing block, the pushing block is in threaded connection with the conduit, a pushing block gear is meshed with a driving gear, the upper end of the driving gear is fixedly connected with an output shaft of a motor, the lower end of the driving gear is fixedly connected with a driving sprocket, the driving sprocket is meshed with a chain, the chain is meshed with a plurality of stirring sprockets, the stirring sprockets are fixedly connected with a spline shell, the spline shell rotates in the outer sleeve, the lower end of a spline shaft is fixedly connected with a plurality of stirring blades, and the stirring sliding plate rotates to connect the pushing block and the conduit in sliding connection. The utility model is provided with the pushing block, when the grouting is started, the motor drives the pushing block to push out the clamping plate and simultaneously push out the stirring blade from the stirring tank, so that the stirring blade is contacted with the slurry to start stirring, when the grouting is finished, the motor is reversed, the clamping block is retracted, and the stirring blade is retracted into the stirring tank.
However, when the guide pipe is stabilized in the sleeve, a push plate is required to stably mount the guide pipe in the sleeve, but the pressure of the push plate does not have enough stability, the guide pipe is deflected up and down, and the stability of the guide pipe during grouting is poor.
Therefore, in order to solve the technical problems, the application provides a liftable catheter for coal mine overburden separation layer grouting settlement reduction.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a liftable catheter for coal mine overburden separation layer grouting settlement reduction.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the liftable catheter for coal mine overburden separation layer grouting sinking reduction comprises an outer sleeve, wherein the top surface of the outer sleeve is fixedly connected with a stabilizing shaft, a catheter body is arranged in the stabilizing shaft, the catheter body is inserted and installed in the outer sleeve, and an adaptation groove is formed in the inner bottom wall of the outer sleeve;
the lower mounting cylinder is mounted on the lower surface of the outer sleeve, the lower mounting cylinder is mutually matched with the adapting groove, a first telescopic rod is fixedly connected to one side of the inner wall of the outer sleeve, a first stabilizing ring is arranged at one end, far away from the outer sleeve, of the first telescopic rod, an anti-slip pad is arranged on the inner side wall of the first stabilizing ring, and a second telescopic rod is arranged on the other side of the inner wall of the outer sleeve;
and the second stabilizing ring is arranged at the left end of the second telescopic rod.
Preferably, the inner wall of the outer sleeve is fixedly connected with a supporting block, and one end, far away from the outer sleeve, of the supporting block is fixedly connected with a limiting ring.
Preferably, the inner side wall of the limiting ring is provided with a groove, movable balls are arranged in the groove, and movable columns are arranged on the left side and the right side of each movable ball.
Preferably, the outer surface of the outer sleeve is fixedly connected with a stabilizing plate, and a leakage groove is formed in the stabilizing plate.
Preferably, the lower end surface of the catheter body is provided with a bottom ring, and the inside of the bottom ring is provided with a rotating shaft.
Preferably, the top surface of axis of rotation is provided with the motor body, the bottom of axis of rotation runs through the lower surface of bottom ring and is provided with the dispersible tablet.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, when the grouting device is used, firstly, the outer sleeve is mounted in the stabilizing shaft and the inner part of the adapting groove, then the outer sleeve passes through the lower mounting barrel to penetrate out, then the first telescopic rod and the second telescopic rod are started, the first stabilizing ring and the second stabilizing ring are abutted to the outer surface of the catheter body, the friction force contacted with the outer surface of the catheter body is enhanced through the design of the anti-skid pad, so that the connection is more stable, the stabilizing shaft is limited through the limiting ring, the deflection of the catheter body is avoided, meanwhile, the catheter body can be assisted to move and fix through the design of a plurality of groups of movable balls, the stability of grouting of the catheter body is enhanced, and the practicability of the design is reflected.
2. According to the utility model, through the lower mounting cylinder, the bottom ring, the rotating shaft and the dispersing sheets, when the device is used, firstly, the bottom end of the conduit body is limited through the lower mounting cylinder, then the conduit body is used for grouting materials, and then the motor body is started to drive the rotating shaft and the dispersing sheets to rotate, so that the materials flowing out of the stable shaft can be dispersed, the blockage is avoided, and the designed functionality is embodied.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic perspective view of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the outer sleeve and first stabilizer ring structure of the present utility model;
FIG. 3 is a schematic view of the outer sleeve and lower mounting barrel construction of the present utility model in a disassembled configuration;
FIG. 4 is a schematic illustration of the construction of the bottom ring and dispersible tablets of the present utility model;
fig. 5 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.
1. An outer sleeve; 2. a stabilizing shaft; 3. a catheter body; 4. an adaptation groove; 5. a lower mounting cylinder; 6. a first telescopic rod; 7. a first stabilizing ring; 8. an anti-slip pad; 9. a second stabilizing ring; 10. a support block; 11. a limiting ring; 12. a groove; 13. a movable ball; 14. a stabilizing plate; 15. a drain groove; 16. a bottom ring; 17. a rotating shaft; 18. and (3) dispersing tablets.
Detailed Description
An embodiment of a liftable conduit for coal mine overburden delamination grouting and subsidence reduction will be further described with reference to fig. 1 to 5.
The utility model provides a liftable catheter for coal mine overburden separation layer grouting settlement reduction, wherein a catheter body 3 and a motor body used in the application are directly purchased products in the market, and the principle and the connection mode are all the prior art well known to the person skilled in the art, so that the liftable catheter is not repeated herein, and the liftable catheter comprises an outer sleeve 1, wherein the top surface of the outer sleeve 1 is fixedly connected with a stable shaft 2, the catheter body 3 is arranged in the stable shaft 2, the catheter body 3 is inserted and installed in the outer sleeve 1, and an adaptation groove 4 is formed in the inner bottom wall of the outer sleeve 1;
the lower mounting cylinder 5 is mounted on the lower surface of the outer sleeve 1, the lower mounting cylinder 5 is mutually matched with the adapting groove 4, a first telescopic rod 6 is fixedly connected to one side of the inner wall of the outer sleeve 1, a first stabilizing ring 7 is arranged at one end, far away from the outer sleeve 1, of the first telescopic rod 6, an anti-slip pad 8 is arranged on the inner side wall of the first stabilizing ring 7, and a second telescopic rod is arranged on the other side of the inner wall of the outer sleeve 1;
the second stabilizing ring 9, the left end at the second telescopic link is installed to the second stabilizing ring 9, through installing the inside of stabilizing axle 2 and adaptation groove 4 with outer sleeve 1, wear out through lower installation section of thick bamboo 5 by hand, later through starting first telescopic link 6 and second telescopic link, through contradicting first stabilizing ring 7 and second stabilizing ring 9 on the surface of pipe body 3, through the frictional force of the design reinforcing of slipmat 8 with the contact of pipe body 3 surface for connect more stably.
The inner wall fixedly connected with supporting shoe 10 of outer sleeve 1, the one end fixedly connected with spacing ring 11 of outer sleeve 1 is kept away from to supporting shoe 10, and recess 12 has been seted up to spacing ring 11's inside wall, and recess 12's inside is provided with movable ball 13, and movable ball 13's left and right sides all is provided with movable post, carries out spacingly to stabilizing axle 2 through spacing ring 11, avoids pipe body 3 skew, can assist pipe body 3 to remove and fix through the design of multiunit movable ball 13 simultaneously, has strengthened the stability when pipe body 3 slip casting.
The surface fixedly connected with stabilizer plate 14 of outer sleeve 1, leak groove 15 has been seted up to the inside of stabilizer plate 14, the lower extreme surface of pipe body 3 is provided with the base ring 16, the inside of base ring 16 is provided with axis of rotation 17, the top surface of axis of rotation 17 is provided with motor body, the lower surface that the bottom of axis of rotation 17 runs through the base ring 16 is provided with dispersible tablet 18, carry out spacing with the bottom of pipe body 3 through lower mounting cylinder 5, carry out the grout with the material through pipe body 3 afterwards, then through the inside motor body of start-up, drive axis of rotation 17 and dispersible tablet 18 through the motor body and rotate, can disperse the material that stable axle 2 flew out, avoid the jam.
The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way; those skilled in the art will readily appreciate that the present utility model may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present utility model are possible in light of the above teachings without departing from the scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the present utility model.
Claims (6)
1. The utility model provides a liftable pipe for colliery cover rock separation layer slip casting subtracts heavy, includes outer sleeve (1), the top surface fixedly connected with of outer sleeve (1) stabilizes axle (2), the inside of stabilizing axle (2) is provided with pipe body (3), its characterized in that: the catheter body (3) is inserted and arranged in the outer sleeve (1), and an adapting groove (4) is formed in the inner bottom wall of the outer sleeve (1);
the lower mounting cylinder (5), the lower mounting cylinder (5) is mounted on the lower surface of the outer sleeve (1), the lower mounting cylinder (5) and the adapting groove (4) are mutually adapted, a first telescopic rod (6) is fixedly connected to one side of the inner wall of the outer sleeve (1), a first stabilizing ring (7) is arranged at one end, far away from the outer sleeve (1), of the first telescopic rod (6), an anti-slip pad (8) is arranged on the inner side wall of the first stabilizing ring (7), and a second telescopic rod is arranged at the other side of the inner wall of the outer sleeve (1);
and the second stabilizing ring (9) is arranged at the left end of the second telescopic rod.
2. A liftable catheter for coal mine overburden grouting subsidence reduction according to claim 1, wherein: the inner wall of the outer sleeve (1) is fixedly connected with a supporting block (10), and one end, far away from the outer sleeve (1), of the supporting block (10) is fixedly connected with a limiting ring (11).
3. A liftable catheter for coal mine overburden grouting subsidence reduction according to claim 2, wherein: the inner side wall of the limiting ring (11) is provided with a groove (12), a movable ball (13) is arranged in the groove (12), and movable columns are arranged on the left side and the right side of the movable ball (13).
4. A liftable catheter for coal mine overburden grouting subsidence reduction according to claim 1, wherein: the outer surface of the outer sleeve (1) is fixedly connected with a stabilizing plate (14), and a leakage groove (15) is formed in the stabilizing plate (14).
5. A liftable catheter for coal mine overburden grouting subsidence reduction according to claim 1, wherein: the lower end surface of the catheter body (3) is provided with a bottom ring (16), and a rotating shaft (17) is arranged inside the bottom ring (16).
6. A liftable conduit for coal mine overburden grouting subsidence reduction according to claim 5, wherein: the top surface of axis of rotation (17) is provided with the motor body, the lower surface that the bottom of axis of rotation (17) runs through bottom ring (16) is provided with dispersion piece (18).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322006332.8U CN220395714U (en) | 2023-07-28 | 2023-07-28 | Liftable catheter for coal mine overburden separation layer grouting settlement reduction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322006332.8U CN220395714U (en) | 2023-07-28 | 2023-07-28 | Liftable catheter for coal mine overburden separation layer grouting settlement reduction |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220395714U true CN220395714U (en) | 2024-01-26 |
Family
ID=89603777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322006332.8U Active CN220395714U (en) | 2023-07-28 | 2023-07-28 | Liftable catheter for coal mine overburden separation layer grouting settlement reduction |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220395714U (en) |
-
2023
- 2023-07-28 CN CN202322006332.8U patent/CN220395714U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3797590A (en) | Underground mining system | |
CN112253128B (en) | Full-automatic full-section vertical shield tunneling machine | |
CN110080793B (en) | Pipe jacking construction operation device | |
CN220395714U (en) | Liftable catheter for coal mine overburden separation layer grouting settlement reduction | |
CN104863154B (en) | A kind of rotating mechanism of multifunctional hydraulic pile-grafting machine | |
CN106014303A (en) | Hydraulic cyclone supercharging device and supercharging method | |
KR100325792B1 (en) | Method and device for driving bore-holes, especially in the sea bed, using a guide tip | |
CN111173757B (en) | Underground self-fixing submersible pump | |
CN117626977A (en) | Drilling bored concrete pile blanking conduit construction device and method | |
CN203669735U (en) | Composite power pile work drilling machine | |
CN110965940B (en) | Automatic vertical drilling device | |
CN217922989U (en) | Road bridge construction joint filling equipment | |
CN1936197A (en) | Static-force-drill spinning type pile press | |
CN208294496U (en) | The mud-scraping apparatus of long-spiral drilling machine | |
CN114412457A (en) | Geotechnical engineering investigation drilling equipment | |
CN106522976A (en) | Reducing spiral conveying device for shield tunneling machine | |
CN201714425U (en) | Underground scraper conveyer used in coal mine | |
CN221545769U (en) | Desilting equipment for preventing and controlling coal mine water damage | |
CN205689221U (en) | A kind of compound only pulp grinder structure and there is this shielding tunnel excavator stopping pulp grinder structure | |
CN212743899U (en) | Positioning device of mining tunnel drilling machine | |
CN218991600U (en) | Lifting adjusting device for roadway tunneling drill bit | |
CN218669239U (en) | Operation device of slope anchor rod drilling machine | |
CN210504340U (en) | Electromechanical transportation transmission in colliery | |
CN117514007A (en) | Casing pipe connection and delivery device for high-position large-diameter drilling and use method | |
CN221646883U (en) | Improved generation prevents eccentric wear oil pipe device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |