CN220285707U - Anti-spraying hole device capable of sealing drill rod - Google Patents
Anti-spraying hole device capable of sealing drill rod Download PDFInfo
- Publication number
- CN220285707U CN220285707U CN202321746437.0U CN202321746437U CN220285707U CN 220285707 U CN220285707 U CN 220285707U CN 202321746437 U CN202321746437 U CN 202321746437U CN 220285707 U CN220285707 U CN 220285707U
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- CN
- China
- Prior art keywords
- sleeve
- sealing
- drill rod
- drill
- groove
- 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.)
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- 238000007789 sealing Methods 0.000 title claims abstract description 39
- 238000005507 spraying Methods 0.000 title abstract description 18
- 238000005553 drilling Methods 0.000 claims description 11
- 239000002893 slag Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims 5
- 230000002265 prevention Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 238000000605 extraction Methods 0.000 abstract description 8
- 239000000428 dust Substances 0.000 abstract description 6
- 239000003245 coal Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000011435 rock Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 13
- 239000012530 fluid Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses an anti-spraying hole device capable of sealing a drill rod, which is characterized in that a sealing sleeve is in two halves and consists of an outer sleeve, a flexible rubber body, an inner sleeve and balls, wherein the connecting sleeve is arranged at the right end of a split body, the right end of the connecting sleeve is movably connected in a groove in the outer sleeve through a positioning ring, the flexible rubber body is arranged in the groove of the outer sleeve and is fixed by a screw, the groove at the outer periphery of the inner sleeve is fixed with the flexible rubber body through the screw, and the balls are movably arranged at the inner periphery of the inner sleeve and are movably connected with the drill rod. Because the utility model adopts the two-half type sealing sleeve, the utility model can conveniently seal and mount or dismount the drill stem of the drill bit, and can effectively seal the drill hole by utilizing the rubber sealing gasket, thereby preventing water flow or gas from entering the roadway, and the filter screen or the coal rock dust can not enter the gas extraction pipeline system in the extraction opening, thereby greatly improving the safety and the efficiency of production.
Description
Technical field:
the utility model relates to an anti-spraying hole device capable of sealing a drill rod, which is used for underground drilling of a coal mine.
The background technology is as follows:
at present, when a coal mine is drilled underground, a large amount of water flow or gas is easy to gush out from the drilling hole, or water flow and gas are mixed to gush out, as a drill rod of a drilling machine used at present is in a gap with an anti-spraying hole, the drilling hole cannot be effectively plugged, the effect of sealing the water flow or the gas is not achieved, the water flow or the gas enters a roadway, casualties are extremely easy to cause, the construction safety is influenced, and the production efficiency is reduced. Moreover, because the drill bit is larger than the drill rod, the drill bit with too small anti-spraying holes of the conventional anti-spraying device is not easy to pass, is too large and is not easy to prevent spraying, and the drill rod is easy to wear, so that the drill rod needs to be replaced frequently, time and labor are wasted, and the construction cost is increased.
The utility model comprises the following steps:
the utility model aims to solve the technical problem of providing the anti-spraying hole device for the sealable drill rod, which adopts the two-half type sealing sleeve, can conveniently seal and mount or dismount the drill rod of the drill bit, can effectively seal the drill hole by utilizing the rubber sealing gasket, avoids water flow or gas from rushing out of the drill hole, prevents the water flow or the gas from entering a roadway, is internally provided with the filter screen or other dust removing components at the air extraction opening, and can not enter the gas extraction pipeline system, thereby avoiding casualties and greatly improving the safety and the efficiency of production.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the exhaust pipe of the anti-spraying hole device capable of sealing the drill rod is arranged at the upper middle part of the split fluid, the slag discharging pipe is arranged at the lower middle part of the split fluid, the sealing sleeve is formed by two halves, the outer sleeve, the flexible rubber body, the inner sleeve and the ball, the connecting sleeve is arranged at the right end of the split fluid, the right end of the connecting sleeve is movably connected in a groove in the outer sleeve through a positioning ring, the flexible rubber body is arranged in the groove of the outer sleeve and is fixed by a screw, the groove at the outer periphery of the inner sleeve is fixedly provided with the flexible rubber body through a screw, and the ball is movably arranged at the inner periphery of the inner sleeve and is movably connected with the drill rod.
The lower end of the sealing sleeve is provided with a hinge, the upper ends of the sealing sleeve are respectively provided with a chain fixing plate, and the two chain fixing plates can be opened and closed and locked by bolts.
The upper and lower middle parts of one half of the inner sleeve are provided with positioning pins, and the positioning pins and the positioning holes arranged in the upper and lower middle parts of the other half are closely spliced and positioned.
The ball is arranged at the upper end in the thread seat, and is elastically supported by a spring arranged in the thread seat, and the thread seat is inlaid at the inner periphery of the inner sleeve at equal intervals.
The beneficial effects of the utility model are as follows: due to the adoption of the two-half type sealing sleeve, when the drill rod is installed or disassembled, the sealing part of the drill rod can be separated, and the installation or the disassembly of the drill rod is not affected. The inner sleeve is inlaid with balls, and can longitudinally rotate along with the radial direction of the drill rod, so that the drill rod and the inner sleeve are not worn. The inner sleeve at the sealing part of the drill rod is connected with the shell through a flexible sealing body, and the inner sleeve can swing randomly along with the drill rod, so that normal drilling work is not affected. A filter screen or other dust removing and filtering components are arranged in the extraction opening, and coal rock dust and slag cannot enter the gas extraction pipeline system. The rubber sealing gasket can effectively seal the drilling hole, water flow or gas is prevented from flowing out of the drilling hole, water flow or gas is prevented from entering the roadway, the filter screen or other dust removing components are arranged in the extraction opening, and coal rock dust cannot enter the gas extraction pipeline system, so that casualties are avoided, and the safety and the efficiency of production are greatly improved.
Description of the drawings:
fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a right side view of fig. 1.
Fig. 3 is an enlarged view of a portion a of fig. 1.
The specific embodiment is as follows:
example 1: as shown in fig. 1, 2 and 3, an exhaust pipe 2 of an anti-spraying hole device capable of sealing a drill rod is arranged at the upper middle part of a split body 1, a slag discharging pipe 3 is arranged at the lower middle part of the split body 1, a sealing sleeve 16 is formed by an outer sleeve 6, a flexible rubber body 10, an inner sleeve 11 and balls 13, a connecting sleeve 4 is arranged at the right end of the split body 1, the right end of the connecting sleeve 4 is movably connected in a groove in the outer sleeve 6 through a positioning ring 5, the flexible rubber body 10 is arranged in the groove of the outer sleeve 6 and is fixed by a screw 17, the groove at the outer periphery of the inner sleeve 11 is used for fixing the flexible rubber body 10 through the screw 17, and the balls 13 are movably arranged at the inner periphery of the inner sleeve 11 and are movably connected with the drill rod.
Example 2: as shown in fig. 1, 2 and 3, a hinge 7 is disposed at the lower end of a sealing sleeve 16 of the anti-spraying hole device of the sealable drill rod, and interlocking fixing plates 8 are disposed at the upper ends of the sealing sleeve, and the two interlocking fixing plates 8 can be opened and closed and locked by bolts 9.
Example 3: as shown in fig. 1, 2 and 3, a positioning pin 18 is arranged at the upper and lower middle parts of one half of an inner sleeve 11 of the anti-spraying hole device of the sealable drill rod, and the positioning pin 18 and a positioning hole arranged at the upper and lower middle parts of the other half are tightly inserted and positioned.
Example 4: as shown in fig. 1, 2 and 3, the ball 13 of the anti-spraying hole device capable of sealing the drill rod is arranged at the upper end in the threaded seat 12, and is elastically supported by a spring 19 arranged in the threaded seat 12, and the threaded seat 12 is embedded at the inner periphery of the inner sleeve 11 at equal intervals.
Example 5: as shown in fig. 1, 2 and 3, the suction pipe 2 of the anti-spraying hole device capable of sealing the drill rod is internally provided with a filter screen 15.
Example 6: as shown in fig. 1, 2 and 3, an elastic sheath 14 is disposed at the left middle part of the split body 1 of the anti-spraying hole device of the sealable drill rod, and a rubber gasket 20 is connected to the left end of the elastic sheath 14 and seals the drill hole so as not to leak gas and water easily.
Example 7: as shown in fig. 1, 2 and 3, the sealing sleeve 16 of the anti-spraying hole device for sealing the drill rod can also be made into a whole.
Example 8: as shown in fig. 1, 2 and 3, the flexible rubber body 10, the rubber gasket 20 and the elastic sheath 14 of the anti-spraying hole device for sealing the drill rod are made of rubber, high polymer material and other nonmetallic materials.
Example 9: the operation method of the utility model comprises the following steps:
when the device is used, the elastic sheath and the sealing expansion sleeve are propped against the periphery of a drilling hole of a rock body, so that the functions of sealing the drilling hole and a drill rod are achieved. Then the sealing sleeve is opened to enable the drill bit and the drill rod to smoothly pass through the sealing hole of the drill rod, the positioning ring on the sealing sleeve is used for positioning, the positioning pin on the inner sleeve is inserted into the positioning hole, finally the interlocking fixing plate is closed and locked by the bolt, and finally the drill rod synchronously rotates through the ball to drill holes by the drill bit, so that the functions of sealing water, slag and gas are achieved. After the drilling is finished, the interlocking fixing plate of the sealing sleeve is opened, and the drill bit and the drill rod are taken out.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (6)
1. The utility model provides a but orifice prevention device of sealed drilling rod, includes that exhaust tube (2) set up middle part on reposition of redundant personnel body (1), and slag discharging pipe (3) set up middle part, characterized by under reposition of redundant personnel body (1): the sealing sleeve (16) is two halves, and consists of an outer sleeve (6), a flexible rubber body (10), an inner sleeve (11) and balls (13), wherein the connecting sleeve (4) is arranged at the right end of the split body (1), the right end of the connecting sleeve (4) is movably connected in a groove in the outer sleeve (6) through a positioning ring (5), the flexible rubber body (10) is arranged in the groove of the outer sleeve (6) and fixed by a screw (17), the groove at the outer periphery of the inner sleeve (11) is used for fixing the flexible rubber body (10) through the screw (17), and the balls (13) are movably arranged at the inner periphery of the inner sleeve (11) and are movably connected with a drill rod.
2. The sealable drill pipe anti-spray orifice device of claim 1, wherein: the lower end of the sealing sleeve (16) is provided with a hinge (7), the upper ends of the sealing sleeve are respectively provided with a chain fixing plate (8), and the two chain fixing plates (8) can be opened and closed and locked by bolts (9).
3. The sealable drill pipe anti-spray orifice device of claim 2, wherein: the upper and lower middle parts of one half of the inner sleeve (11) are provided with positioning pins (18), and the positioning pins (18) and the positioning holes arranged at the upper and lower middle parts of the other half are closely spliced and positioned.
4. The sealable drill pipe anti-spray orifice device of claim 2, wherein: the ball (13) is arranged at the inner upper end of the thread seat (12) in a built-in manner, and is elastically supported by a spring (19) arranged in the thread seat (12), and the thread seat (12) is inlaid at the inner periphery of the inner sleeve (11) at equal intervals.
5. The sealable drill pipe anti-spray orifice device of claim 2, wherein: the exhaust pipe (2) is internally provided with a filter screen (15).
6. The sealable drill pipe anti-spray orifice device of claim 2, wherein: the left middle part of the split body (1) is provided with an elastic sheath (14), and a rubber sealing gasket (20) is connected to the left end of the elastic sheath (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321746437.0U CN220285707U (en) | 2023-06-27 | 2023-06-27 | Anti-spraying hole device capable of sealing drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321746437.0U CN220285707U (en) | 2023-06-27 | 2023-06-27 | Anti-spraying hole device capable of sealing drill rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220285707U true CN220285707U (en) | 2024-01-02 |
Family
ID=89333034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321746437.0U Active CN220285707U (en) | 2023-06-27 | 2023-06-27 | Anti-spraying hole device capable of sealing drill rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220285707U (en) |
-
2023
- 2023-06-27 CN CN202321746437.0U patent/CN220285707U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |