CN220203868U - Colliery is directional long drilling full hole section major diameter screen pipe guard hole structure in pit - Google Patents
Colliery is directional long drilling full hole section major diameter screen pipe guard hole structure in pit Download PDFInfo
- Publication number
- CN220203868U CN220203868U CN202321497899.3U CN202321497899U CN220203868U CN 220203868 U CN220203868 U CN 220203868U CN 202321497899 U CN202321497899 U CN 202321497899U CN 220203868 U CN220203868 U CN 220203868U
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- Prior art keywords
- pipe
- directional
- screen pipe
- sleeve
- hole
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- 238000005553 drilling Methods 0.000 title claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 42
- 239000003245 coal Substances 0.000 claims abstract description 19
- 230000008719 thickening Effects 0.000 claims description 5
- 238000007569 slipcasting Methods 0.000 claims description 2
- 241001074085 Scophthalmus aquosus Species 0.000 claims 2
- 230000001681 protective effect Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model discloses a coal mine underground directional long-drilling full-hole section large-diameter screen pipe hole protection structure which comprises a guard bar sleeve and a pipe sleeve, wherein a thickened drill wall is arranged at the front end of the guard bar sleeve, an assembly groove is formed in the thickened drill wall, a directional screen pipe is pressed in the assembly groove, a grouting hole is formed in the directional screen pipe, the pipe sleeve is sleeved in the directional screen pipe, a metal rod penetrates through the pipe sleeve, the pipe sleeve and the directional screen pipe can rotate relatively, a wall groove is formed in the outer wall of the front end of the directional screen pipe, a clamping step is formed in the edge of the front end of the directional screen pipe, and the metal rod is movably assembled in the pipe sleeve. This colliery is directional long drilling full hole section major diameter screen pipe guard hole structure in pit is through being provided with guard bar cover, directional screen pipe, pipe box, and structural operation is simple, need not personnel to go to the shaft bottom, greatly reduced manpower operation cost, and the security is stronger, has solved the inconvenient operation, the poor problem of security.
Description
Technical Field
The utility model relates to the technical field of coal mining, in particular to a large-diameter screen pipe hole protection structure of a directional long-drilled hole section in a coal mine.
Background
The underground directional drilling post-grouting operation of the coal mine needs to use a special pipe sleeve, because the lower hole position of the pipe sleeve needs to be accurate and can not deviate, manual operation of operators is needed during mine operation, the directional sieve tube is driven into the grouting hole through a machine, but a fixing piece of the sieve tube can be synchronously pressed in and can not be taken out, on one hand, the operation is complex, on the other hand, the safety risk is increased when the operators operate in order to ensure the accuracy.
Therefore, a large-diameter screen pipe hole protection structure with directional long drilling holes and full hole sections in a coal mine well is needed, and the defects are overcome.
Disclosure of Invention
The utility model aims to provide a coal mine underground directional long-drilling full-hole section large-diameter screen pipe hole protection structure so as to solve the problems of complex operation and high risk in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a colliery is directional long drilling full hole section major diameter screen pipe guard hole structure in pit, includes guard bar cover and pipe box, guard bar cover front end is provided with the thickening and bores the wall, set up the mounting groove in the thickening bores the wall, the interior pressure has directional screen pipe of mounting groove, the slip casting hole has been seted up in the directional screen pipe, the pipe box has been cup jointed in the directional screen pipe, it has the metal pole to run through in the pipe box, but relative rotation between pipe box and the directional screen pipe, directional screen pipe front end outer wall is provided with the wall groove, directional screen pipe front end edge is provided with the card rank, the metal pole movable assembly is inside the pipe box, the logical groove has all been seted up from top to bottom to the pipe box front end, the outside fixed block that has been cup jointed to the punishment of metal pole, the fixed block is articulated has the pull rod, the pull rod is provided with two sets of, all articulated the hooked bar has from top to bottom to the pipe box front end.
Preferably, the pull rod is movably hinged with the hook rod respectively.
Preferably, the hook rod is embedded in the through groove to move, and the left side of the hook rod is uniformly provided with a hook block.
Preferably, a spring is movably arranged between the front end of the metal rod and the inner wall of the front end of the pipe sleeve, and the spring can relatively rotate in the pipe sleeve.
Preferably, a limiting block is welded at the rear end of the metal rod, a limiting convex step is arranged at the edge of the rear end of the pipe sleeve, and the hook rod is matched with the limiting convex step.
Preferably, the guard bar sleeve is fixed at the edge of the coal mine shaft through a fixing assembly.
Compared with the prior art, the utility model has the beneficial effects that: the large-diameter screen pipe hole protection structure of the underground directional long-drilling full-hole section of the coal mine not only realizes the reduction of labor operation cost and stronger safety, but also realizes the retrievable cleaning of the pipe sleeve, the repeated operation, no material loss and higher hole protection precision;
(1) The protective rod sleeve fixing assembly is fixed at the edge of a coal mine through the protective rod sleeve, the directional sieve tube and the pipe sleeve are arranged, the directional sieve tube is assembled in the assembly groove at the front end of the protective rod sleeve in a pressing mode and is not easy to fall out, the pipe sleeve is movably sleeved in the directional sieve tube, the pipe sleeve extends out to the bottom of the well, the end of the pipe sleeve extends out of the grouting hole, then the metal rods are rotated by 90 degrees, two groups of hook rods are respectively positioned at the front end of the wall groove, an operator pushes the metal rods downwards, the fixing block moves downwards, so that the two groups of pull rods push the hook rods to open the hook rods outwards from the through groove, the pipe sleeve is rotated by 90 degrees, the hook blocks are hooked outside, the whole pipe sleeve is pushed downwards, and the directional sieve tube is pushed out of the assembly groove under the action of the hook blocks and the clamping steps.
(2) The hook block and the clamping step are arranged, when the directional sieve tube is slowly separated from the guard bar sleeve until the guard bar sleeve is almost completely separated, the pipe sleeve is rotated, the hook block and the clamping step are separated and limited, the metal rod is pulled back, the pipe sleeve is retracted upwards, the directional sieve tube can fall off from the assembly groove under the action of gravity to block the hole, the determination and the blocking of the position of the guard hole are realized, the operation is completed through structural linkage, the pipe sleeve can be recovered and cleaned, the repeated operation can be realized, and no material loss is caused;
(3) Through being provided with metal pole, spacing protruding order, stopper, the metal pole is pulled back to the stopper and is deviate from the pipe box after, and the metal pole can advance one section more in the pipe box under the effect of spring, slightly pushes up the metal pole to spacing protruding order direction this moment, makes the stopper card can not reset in spacing protruding order department, can accomplish the fixed of metal pole and pipe box relative position, and the hooked rod is closed completely this moment, does not influence the taking out of pipe box, can not scratch directional screen pipe inner wall and cause directional screen pipe position skew, and the protection hole precision is higher.
Drawings
FIG. 1 is a schematic cross-sectional elevation view of the present utility model;
FIG. 2 is a schematic side view of a directional screen of the present utility model;
FIG. 3 is a schematic illustration of a cross-sectional elevation of a pipe sleeve according to the present utility model;
fig. 4 is a schematic side view of the sleeve of the present utility model.
In the figure: 1. a guard bar sleeve; 2. a metal rod; 3. a pipe sleeve; 4. a directional screen; 5. clamping steps; 6. a hook rod; 7. grouting holes; 8. a wall groove; 9. an assembly groove; 10. thickening the drill wall; 11. a hook block; 12. a through groove; 13. a fixed block; 14. a pull rod; 15. a spring; 16. a limiting block; 17. and limiting the convex steps.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1: referring to fig. 1-4, a large-diameter screen pipe guard hole structure of a directional long drilling full-hole section in a coal mine well comprises a guard bar sleeve 1 and a pipe sleeve 3, wherein a thickened drill wall 10 is arranged at the front end of the guard bar sleeve 1, an assembly groove 9 is formed in the thickened drill wall 10, a directional screen pipe 4 is pressed in the assembly groove 9, a grouting hole 7 is formed in the directional screen pipe 4, the pipe sleeve 3 is sleeved in the directional screen pipe 4, a metal rod 2 penetrates through the pipe sleeve 3, the pipe sleeve 3 and the directional screen pipe 4 can relatively rotate, a wall groove 8 is formed in the outer wall of the front end of the directional screen pipe 4, a clamping step 5 is arranged at the edge of the front end of the directional screen pipe 4, the metal rod 2 is movably assembled inside the pipe sleeve 3, through grooves 12 are formed in the upper part and the lower part of the front end of the pipe sleeve 3, a fixed block 13 is fixedly sleeved outside the metal rod 2, a pull rod 14 is hinged to the fixed block 13, two groups of pull rods 14 are respectively, and a hook rod 6 is hinged to the front end of the pipe sleeve 3;
specifically, as shown in fig. 1, 2, 3 and 4, the fixing component of the guard bar sleeve 1 is fixed at the edge of a coal mine, the directional sieve tube 4 is assembled in the assembly groove 9 at the front end of the guard bar sleeve 1 in a pressing way, the directional sieve tube 4 is not easy to fall out, the pipe sleeve 3 is movably sleeved in the directional sieve tube 4, the pipe sleeve 3 stretches out to the bottom of the well, the end of the pipe sleeve extends out of the grouting hole 7, then the metal bar 2 is rotated by 90 degrees, two groups of hook bars 6 are respectively positioned at the front end of the wall groove 8, an operator pushes the metal bar 2 downwards, the fixing block 13 moves downwards, so that the two groups of pull bars 14 push the hook bars 6 outwards from the through groove 12, then the pipe sleeve 3 is rotated by 90 degrees, at the moment, the whole pipe sleeve 3 is pushed downwards, and the directional sieve tube 4 is pushed out of the assembly groove 9 under the action of the hook blocks 11 and the clamping steps 5.
Example 2: the pull rod 14 is movably hinged with the hook rod 6 respectively, the hook rod 6 is embedded in the through groove 12 to move, the left side of the hook rod 6 is uniformly provided with a hook block 11, a spring 15 is movably arranged between the front end of the metal rod 2 and the inner wall of the front end of the pipe sleeve 3, and the spring 15 can relatively rotate in the pipe sleeve 3;
specifically, as shown in fig. 1, 2, 3 and 4, when the directional screen 4 is slowly separated from the guard bar sleeve 1 until almost completely separated, the sleeve 3 is rotated, the hook block 11 is separated from the clamping step 5 to limit, the metal bar 2 is pulled back, the sleeve 3 is retracted upwards, the directional screen 4 falls off from the assembly groove 9 under the action of gravity to block the hole, the position of the guard hole is determined and blocked, and the operation is completed through structural linkage.
Example 3: a limiting block 16 is welded at the rear end of the metal rod 2, a limiting convex step 17 is arranged at the edge of the rear end of the pipe sleeve 3, the hook rod 6 is matched with the limiting convex step 17, and the guard rod sleeve 1 is fixed at the edge of a coal mine through a fixing component;
specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, after the metal rod 2 is pulled back to the limit block 16 to be separated from the pipe sleeve 3, the metal rod 2 can advance a section in the pipe sleeve 3 under the action of the spring 15, at this time, the metal rod 2 is slightly pressed upwards towards the limit convex step 17, so that the limit block 16 is clamped at the limit convex step 17 and cannot be reset, the fixing of the relative position of the metal rod 2 and the pipe sleeve 3 can be completed, at this time, the hook rod 6 is completely closed, the taking out of the pipe sleeve 3 is not influenced, and the position deflection of the directional sieve tube 4 caused by scraping the inner wall of the directional sieve tube 4 is avoided.
Working principle: the protective rod sleeve 1 cylinder fixing component is fixed at the edge of a coal mine, the directional sieve tube 4 is assembled in the assembling groove 9 at the front end of the protective rod sleeve 1 in a pressing way, the release is difficult, the pipe sleeve 3 is movably sleeved in the directional sieve tube 4, the pipe sleeve 3 stretches out to the bottom of the well, the end head of the pipe sleeve stretches out from the grouting hole 7, then the metal rod 2 is rotated by 90 degrees, the two groups of hook rods 6 are respectively positioned at the front end of the wall groove 8, an operator pushes the metal rod 2 downwards, the fixing block 13 moves downwards, therefore, the two groups of pull rods 14 push the hook rods 6 to open outwards from the through groove 12, the pipe sleeve 3 is rotated by 90 degrees, the hook block 11 is hooked outside at the moment, the whole pipe sleeve 3 is pushed downwards, the directional sieve tube 4 is pushed out from the assembling groove 9 under the action of the hook block 11 and the clamping step 5, when the directional screen pipe 4 slowly breaks away from the guard bar sleeve 1 until almost completely breaks away from the guard bar sleeve, the pipe sleeve 3 is rotated, the hook block 11 and the clamping step 5 are separated and limited, the metal rod 2 is pulled back, the pipe sleeve 3 is retracted upwards, the directional screen pipe 4 can fall off from the assembly groove 9 under the action of gravity to block holes, the determination and the blocking of the guard hole position are realized, after the metal rod 2 is pulled back to the limiting block 16 to be separated from the pipe sleeve 3, the metal rod 2 can advance for a section again in the pipe sleeve 3 under the action of the spring 15, at the moment, the metal rod 2 is slightly pressed upwards towards the limiting convex step 17, the limiting block 16 is clamped at the limiting convex step 17 and cannot be reset, the fixing of the relative position of the metal rod 2 and the pipe sleeve 3 can be completed, at the moment, the hook rod 6 is completely closed, and the taking out of the pipe sleeve 3 is not influenced.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a colliery is directional long drilling full hole section major diameter screen pipe guard hole structure in pit, includes guard bar cover (1) and pipe box (3), its characterized in that: the utility model discloses a metal pole cover, including pillar cover (1), pillar cover, pipe cover (3), pipe cover (4), metal pole (14) are provided with thickening brill wall (10) in pillar cover (1) front end, set up assembly groove (9) in thickening brill wall (10), set up directional screen pipe (4) in assembly groove (9), set up slip casting hole (7) in directional screen pipe (4), pipe cover (3) have been cup jointed in directional screen pipe (4), but run through metal pole (2) in pipe cover (3), but relative rotation between pipe cover (3) and directional screen pipe (4), directional screen pipe (4) front end outer wall is provided with wall groove (8), directional screen pipe (4) front end edge is provided with clamping order (5), metal pole (2) movable assembly is inside pipe cover (3), pipe cover (3) front end all has set up logical groove (12) from top to bottom, metal pole (2) external fixation cup joints fixed block (13), respectively articulates pull rod (14), pull rod (14) are provided with two sets of pipe cover, all articulated hook rod (6) from top to bottom.
2. The coal mine downhole directional long-drilled full-hole section large-diameter screen pipe hole protection structure according to claim 1, wherein: the pull rod (14) is movably hinged with the hook rod (6) respectively.
3. The coal mine downhole directional long-drilled full-hole section large-diameter screen pipe hole protection structure according to claim 1, wherein: the hook rod (6) is embedded in the through groove (12) to move, and a hook block (11) is uniformly machined on the left side of the hook rod (6).
4. The coal mine downhole directional long-drilled full-hole section large-diameter screen pipe hole protection structure according to claim 1, wherein: a spring (15) is movably arranged between the front end of the metal rod (2) and the inner wall of the front end of the pipe sleeve (3), and the spring (15) can relatively rotate in the pipe sleeve (3).
5. The coal mine downhole directional long-drilled full-hole section large-diameter screen pipe hole protection structure according to claim 1, wherein: the rear end of the metal rod (2) is welded with a limiting block (16), the edge of the rear end of the pipe sleeve (3) is provided with a limiting convex step (17), and the hook rod (6) is matched with the limiting convex step (17).
6. The coal mine downhole directional long-drilled full-hole section large-diameter screen pipe hole protection structure according to claim 1, wherein: the guard bar sleeve (1) is fixed at the edge of the coal mine through the fixing component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321497899.3U CN220203868U (en) | 2023-06-13 | 2023-06-13 | Colliery is directional long drilling full hole section major diameter screen pipe guard hole structure in pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321497899.3U CN220203868U (en) | 2023-06-13 | 2023-06-13 | Colliery is directional long drilling full hole section major diameter screen pipe guard hole structure in pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220203868U true CN220203868U (en) | 2023-12-19 |
Family
ID=89142953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321497899.3U Active CN220203868U (en) | 2023-06-13 | 2023-06-13 | Colliery is directional long drilling full hole section major diameter screen pipe guard hole structure in pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220203868U (en) |
-
2023
- 2023-06-13 CN CN202321497899.3U patent/CN220203868U/en active Active
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