CN205100928U - Spy drain drilling sealing device - Google Patents
Spy drain drilling sealing device Download PDFInfo
- Publication number
- CN205100928U CN205100928U CN201520831866.7U CN201520831866U CN205100928U CN 205100928 U CN205100928 U CN 205100928U CN 201520831866 U CN201520831866 U CN 201520831866U CN 205100928 U CN205100928 U CN 205100928U
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- China
- Prior art keywords
- drilling
- hydraulic
- drilling rod
- seal
- sealing device
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- Expired - Fee Related
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Abstract
The utility model relates to a spy drain drilling sealing device belongs to and visits the drilling technical field that drains, including setting up two end covers that correspond on the drilling rod sleeve, both ends lids between fixedly be provided with annular seal shell, the inboard both ends lid of seal shell between the card be equipped with sealed packing element, for sealed hydraulic pressure cavity between the surface of sealed packing element and the casing, be provided with on the casing and import and export with hydraulic pump connection's hydraulic oil, sealed rubber ring and drilling rod between be provided with pulp water circulation passageway. The utility model discloses can effectively seal up the well drilling when drilling yard cuts off the power supply suddenly, prevent that well water from overflowing, it is sealed effectual, and the processing cost is low.
Description
Technical field
The utility model relates to leting speeper drilling technique field, is specifically related to a kind of leting speeper borehole sealing device.
Background technology
Water damage is one of colliery five the Nature disaster, is that prevention coal mine flood occurs, coal mining enterprise strict implement water damage control 16 word policies: " prediction, have to doubt and must visit, first visit and dig afterwards, first control and adopt afterwards ".Due to underground coal mine hydrology complex geologic conditions, water damage threatens comparatively serious, so the workload of leting speeper is larger under mine.When normal leting speeper creeps into, drill produce screenings and along with water burst generally by being discharged in the sump of drill site outside pulp water floss hole, slag slurry to be deposited in bottom sump and to carry out timing and clears up, water in storehouse is then pumped in upper level drainage system by water pump, when stopping is crept into, usual temporary closure boring, the method closed first drilling rod and drill bit is exited from boring, then the stop valve that hell is installed is closed, if but in the process of drilling, drill site is suddenly because of fault outage, equipment is shut down, at this moment, drilling rod is detained in the borehole, because stop valve cannot be closed, water in rock stratum is still continuous to flow out from boring, and the water in sump cannot be arranged outward because of power-off by water pump, when water yield of holing exceeds the capacity in pump hole, water will overflow sump and flood drill site and tunnel, need ponding that is artificial and machine removing drill site, consume a large amount of man power and materials, increase cost loss, even, high pressure storage area is hit if drilled, press water will be made to pour out along aperture at short notice, can cause and flood head and flood the generation that well disaster is even flooded in face, potential safety hazard is brought to the life of staff and property.
Utility model content
The purpose of this utility model is to provide a kind of leting speeper borehole sealing device that can seal drilling well when drill site power-off suddenly and prevent well water from overflowing.
Technical solution adopted in the utility model is: the end cap comprising two correspondences be arranged on drilling rod sleeve, the seal casinghousing of annular is fixedly installed between described two end cap, O-ring seal is arranged with between two end cap inside described seal casinghousing, hydraulic chamber for sealing between the external surface of described O-ring seal and housing, described housing is provided with the hydraulic oil be connected with hydraulic pump to import and export, between described O-ring seal and drilling rod, is provided with pulp water circulation passage.
The external surface of described O-ring seal is fitted the cartridge be provided with in fluted body, is axially arranged with support ring, described support ring is provided with the hydraulic fluid port for hydraulic oil turnover in the groove of described cartridge.
The axial arranged outside of described cartridge has end pressure ring.
The beneficial effects of the utility model are:
The utility model leting speeper borehole sealing device, the hydraulic chamber of the sealing that drilling rod is arranged, hydraulic chamber is connected with hydraulic pump, pass into high-voltage oil liquid O-ring seal can be made to be out of shape and seal the passage of fluid, prevent well water from overflowing, avoiding and too much flood drill site because overflowing well water, having saved the waste because clearing up the human and material resources that drill site brings.
The utility model leting speeper borehole sealing device, removable in hydraulic chamber cartridge and O-ring seal are set, owing to being set to the outlet of sliding friction and a small amount of slag slurry between O-ring seal and drilling rod, and O-ring seal necessary stress deformation ability seal channel, therefore it is fragile, and layering arranges the consumption that can reduce and change the rapidoprint that seal brings, cost-saving.
The utility model leting speeper borehole sealing device, can when do not rise pull out drilling rod quick blocking Drilling Water, when solving because of fault outage or hit suddenly high pressure pool, cannot pass through to pull out drilling rod, close a difficult problem for boring stop valve shutoff Drilling Water, ensure leting speeper job safety, prevention water damage accident occurs.
Accompanying drawing explanation
Fig. 1 is the utility model leting speeper borehole sealing device cross-sectional view.
In figure: 1-support ring, 2-cartridge, 3-end pressure ring, 4-O-ring seal, 5-drilling rod, 6-hydraulic chamber, 7-end cap, 8-seal casinghousing, 9-hydraulic oil is imported and exported, 10-deslagging drain port, 11-link flange, 12-drilling rod sleeve.
Detailed description of the invention
The embodiment one of the utility model leting speeper borehole sealing device, as shown in Figure 1, comprise hydraulic packing room and hydraulic hand-pump, the two ends of hydraulic packing room are provided with corresponding end cap 7, end cap 7 is fixedly assemblied on drilling rod sleeve 12, hydraulic packing room is the O-ring seal 4 of the ring-type be sleeved on drilling rod 5 from the inside to the outside successively and fits fixing cartridge 2 with the external surface of O-ring seal 4, the internal diameter size of O-ring seal 4 is greater than the diameter of drilling rod 5, in normal operating conditions, drilling rod 5 can freely be come in and gone out O-ring seal 4, the passage passed in and out for pulp water is had between O-ring seal 4 and drilling rod 5, the external surface of cartridge 2 is set to fluted body structure, the two ends of cartridge 2 are provided with the end pressure ring 3 limiting its axial displacement, support ring 1 is installed with in the groove of cartridge 2, support ring 1 is mainly used to prevent the axial deformation of cartridge 2 under the effect of hydraulic coupling, support ring 1 is provided with for the opening for hydraulic oil circulation, cartridge 2 is arranged in seal casinghousing 8, seal casinghousing 8 is provided with the hydraulic oil be connected with hydraulic hand-pump and imports and exports 9, the fluid of hydraulic hand-pump can be imported and exported 9 by hydraulic oil and enter in hydraulic seal cavity, such seal casinghousing 8, end cap 7 and cartridge 2 form a closed hydraulic chamber 6, hand pump hydraulic pump and hydraulic chamber 6 are interconnected by hydralic hose.Be provided with the deslagging delivery port 10 for getting rid of pulp water in the lower end of hydraulic packing room, deslagging drain port 10 is connected with deslagging drain valve, is connected with link flange 11 in the lower end of pulp water outlet.
When normally carrying out drilling operation, drilling rod passes the inner ring of O-ring seal 4 together with drill bit, then enter in boring drill through deslagging drain port, boring stop valve, borehole casing, the screenings produced in boring and adjoint rock stratum water drain into drill site sump outside boring, deslagging delivery port, water in storehouse is pumped in upper level drainage system by water pump, and the water be deposited in bottom sump is then regularly cleared up after discharge water.When needs pull out drilling rod with closed boring, after extracting drilling rod and drill bit, close boring stop valve and just can seal drilling well.When hitting high pressure pool when drilling, drilling well is sprayed for preventing water under high pressure, operating personnel answers the power supply of fast shut-off rig to make rig stop creeping into, and operate hydraulic hand-pump quick topping up in hydraulic chamber 6 and suppress, make like this O-ring seal 4 and drilling rod 5 fit tight leakproof time, and then according to high pressure pool water yield and water burst pressure size, the aperture of adjustment deslagging hydrophobic valve is planned to discharge water.After high pressure pool water damage is removed, when need continue to creep into, manual operation hydraulic pump makes hydraulic chamber 6 unload, and cartridge 2 and O-ring seal 4 return to original state gradually, again start rig and carry out drilling well, as stopped creeping into, operation rig, rises and pulls out drilling rod, take out drill bit, injection hole sealing is carried out to boring, after the grout cures in hole to be drilled, then removes borehole sealing device, deslagging drain valve, boring stop valve successively.
When drill site breaks down power failure, rig has a power failure and shuts down, cause pumping drainage to stop simultaneously, because drilling rod 5 is still detained in the borehole, stop valve cannot be closed, at this moment the water in rock stratum is still continuous to flow out from boring, the pulp water flowed out is discharged in sump by deslagging drain port 10, at this moment staff should operate hydraulic hand-pump as early as possible and suppresses to hydraulic chamber 6 internal-filling liquid, when hydraulic coupling reaches about 5MP, make O-ring seal 4 and cartridge 2 stress deformation and be adjacent to drilling rod 5, make the clearance seal of drilling rod 5 and O-ring seal 4, then closing deslagging drain valve makes deslagging drain port 10 close, at this moment the water in boring is just by reliably shutoff, prevent pulp water from flowing out.When after drill site failture evacuation service restoration, first should start water pump and recover proper drainage, open deslagging drain valve and then and make deslagging drain port 10 draining, last rotation manual hydraulic pump feather valve, remove the pressure of hydraulic packing indoor, after making cartridge 2 and O-ring seal 4 return to original state gradually, so just again can start rig and carry out drilling well.
Leting speeper borehole sealing device is normally creeping into, tipping with rise pull out drilling rod time, drilling rod 5 passes the inner ring duct of O-ring seal 4 together with drill bit, the operating procedure of normal drilling well is identical with operating procedure when not installing leting speeper borehole sealing device additional, operating personnel need not increase operating procedure, and leting speeper borehole sealing device most of accessory be hydraulic drill rig change under old, for ensureing sealing effectiveness, cartridge 2 and O-ring seal 4 is only had to adopt new material, rapidoprint is easy to obtain, under guarantee result of use prerequisite, cost of manufacture is low, owing to being set to the passage passed in and out for pulp water between O-ring seal 4 and drilling rod 5, and O-ring seal 4 necessary stress deformation ability seal channel, therefore it is fragile, and O-ring seal 4 and cartridge 2 layering arrange the consumption that can reduce and change the rapidoprint that seal brings, cost-saving.
Claims (3)
1. a leting speeper borehole sealing device, it is characterized in that: the end cap comprising two correspondences be arranged on drilling rod sleeve, the seal casinghousing of annular is fixedly installed between described two end cap, O-ring seal is arranged with between two end cap inside described seal casinghousing, hydraulic chamber for sealing between the external surface of described O-ring seal and housing, described housing is provided with the hydraulic oil be connected with hydraulic pump to import and export, between described O-ring seal and drilling rod, is provided with the passage that pulp water circulates.
2. leting speeper borehole sealing device according to claim 1, it is characterized in that: the external surface of O-ring seal is fitted the cartridge be provided with in fluted body, be axially arranged with support ring in the groove of described cartridge, described support ring be provided with the hydraulic fluid port for hydraulic oil turnover.
3. leting speeper borehole sealing device according to claim 2, is characterized in that: the axial arranged outside of described cartridge has end pressure ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520831866.7U CN205100928U (en) | 2015-10-26 | 2015-10-26 | Spy drain drilling sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520831866.7U CN205100928U (en) | 2015-10-26 | 2015-10-26 | Spy drain drilling sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205100928U true CN205100928U (en) | 2016-03-23 |
Family
ID=55516714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520831866.7U Expired - Fee Related CN205100928U (en) | 2015-10-26 | 2015-10-26 | Spy drain drilling sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205100928U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505525A (en) * | 2019-01-08 | 2019-03-22 | 王康华 | A kind of drill steel that jumbolter uses and bit shank sealing structure |
| CN112576218A (en) * | 2020-12-12 | 2021-03-30 | 山东泰山能源有限责任公司协庄煤矿 | Water exploration and drainage drilling blowout prevention water separator and working method |
-
2015
- 2015-10-26 CN CN201520831866.7U patent/CN205100928U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505525A (en) * | 2019-01-08 | 2019-03-22 | 王康华 | A kind of drill steel that jumbolter uses and bit shank sealing structure |
| CN112576218A (en) * | 2020-12-12 | 2021-03-30 | 山东泰山能源有限责任公司协庄煤矿 | Water exploration and drainage drilling blowout prevention water separator and working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160323 Termination date: 20161026 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |