CN200946513Y - Wet type drilling water-injector for mining - Google Patents
Wet type drilling water-injector for mining Download PDFInfo
- Publication number
- CN200946513Y CN200946513Y CN 200620009939 CN200620009939U CN200946513Y CN 200946513 Y CN200946513 Y CN 200946513Y CN 200620009939 CN200620009939 CN 200620009939 CN 200620009939 U CN200620009939 U CN 200620009939U CN 200946513 Y CN200946513 Y CN 200946513Y
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- China
- Prior art keywords
- transmission shaft
- power transmission
- injector
- spring
- bearing
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- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a wet type drilling water-injector for mining, in particular a wet type drilling water-injector with a mechanical seal, which is characterized in that: a connector, a transmission shaft and a connecting sleeve are connected with each other by means of screw threads; the connecting sleeve is connected with a hollow drill pipe; an O-gasket ring is arranged between the connecting sleeve and the transmission shaft; a airtight injection cavity is formed around an outer cover and the transmission shaft; the outer cover is fixed and connected with two bearing blocks by means of screw thread; a spring is arranged on sealing tray and a notch clip device is clipped on the transmission shaft bond; the spring is covered on the two sealing trays; an outer head face of the sealing tray is pressed and combined with an inner head face of the two bearing blocks by means of the spring. The useful effects of the utility model are as follows: simple structure; mechanical seal; small seal friction of metallic plane; flexible running of the transmission shaft; high wear resistance of metallic plane; anti-aging; reliable seal of water-injector; long service life of equipment; the utility model be applicable widely for the wet type drilling water-injectors of underground mining.
Description
Technical field:
The utility model relates to a kind of mining-drilling machine and carries out the injector that wet boring uses, the injector of particularly mining wet boring mechanical seal.
Background technology:
At present, when drilling equipments such as electric coal drill that uses under the coal mine and anchor pole brill carry out wet boring, the injector that between rig and drilling rod, is adopted, its defective is that movable sealing mostly is rubber seal, because the rotating speed height of rig, the abrasion resistance of rubber seal is low, sealing surface frictional force is big, rubber seal easily wears out and causes leakage, and application life is short, rotates problems such as difficult bad adaptability.
Summary of the invention:
The purpose of this utility model, provide a kind of mining wet boring injector, it is to adopt the mechanical dynamic seal mode, be the one that is threaded by connector and power transmission shaft with the adapter sleeve three, power transmission shaft middle part and core boring, connector is connected with rig in use, adapter sleeve is connected with drilling rod, be provided with seal disc and O-ring seals between adapter sleeve and power transmission shaft and the drilling rod, supply water, realize the purpose of mechanical dynamic seal by the power transmission shaft transferring power with to the drilling rod in-core.
The utility model is mining, and the wet boring injector takes following technical scheme to realize, it is to be made of connector and power transmission shaft and seal disc, connector and power transmission shaft and adapter sleeve are interconnected by screw thread, connector is provided with taper key, connector is inserted in the adapter sleeve of rig, rotate transferring power with rig, the power transmission shaft middle part is provided with the key of protrusion, driving seal disc rotates together, the O-ring seals sealing is set between power transmission shaft and the seal disc, power transmission shaft middle part and the boring of axle core are to the water filling of hollow drilling rod, adapter sleeve is connected with the hollow drilling rod, the driving drilling rod rotates, the O-ring seals sealing is set between adapter sleeve and the power transmission shaft, overcoat is by end cap, back-up ring, bearing, bearing support constitutes, form an airtight water-injecting cavity around overcoat and the power transmission shaft, be connected and fixed by screw respectively between overcoat and two bearing supports, between overcoat and two bearing supports the O-ring seals sealing is set, two bearing supports are connected with power transmission shaft by bearing, by end cap and back-up ring rigid bearing, seal disc is provided with spring and recess card device on the transmission axle key, spring housing is contained on two seal discs, the inner face of the outer face of seal disc and two bearing supports is pressed together two planes by spring, plays the action function of metal flat movable sealing.
The effect of the utility model is mining wet boring injector is simple in structure, mechanical dynamic seal, the frictional force of metal flat sealing is little, power transmission shaft rotates flexibly, the abrasion resistance height of metal flat sealing, anti-aging, ensure that injector does not leak water, improve service life of equipment, be widely used in the wet boring injector of colliery underground mining.
Description of drawings:
The utility model is mining, and the wet boring injector will describe in further detail in conjunction with the accompanying drawings.
Accompanying drawing is the structural representation of the mining wet boring injector of the utility model.
1---connector 2---power transmission shaft 3---end cap 4---back-up ring 5---bearing 6---bearing support 7---overcoat 8-spring 9---O-ring seals 10---O-ring seals 11---seal disc 12---bearing support 13---adapter sleeve 14---O-ring seals
The specific embodiment:
With reference to accompanying drawing, the utility model is mining wet boring injector, it is to be made of with seal disc 11 connector 1 and power transmission shaft 2, connector 1 and power transmission shaft 2 and adapter sleeve 13 are interconnected by screw thread, connector 1 is provided with taper key, connector 1 is inserted in the adapter sleeve of rig, rotate transferring power with rig, power transmission shaft 2 middle parts are provided with the key of protrusion, driving seal disc 11 rotates together, O-ring seals 10 sealings are set between power transmission shaft 2 and the seal disc 11, power transmission shaft 2 middle parts and the boring of axle core are to the water filling of hollow drilling rod, adapter sleeve 13 is connected with the hollow drilling rod, the driving drilling rod rotates, O-ring seals 14 sealings are set between adapter sleeve 13 and the power transmission shaft 2, overcoat 7 is by end cap 3, back-up ring 4, bearing 5, bearing support 6 and 12 constitutes, overcoat 7 forms an airtight water-injecting cavity with around the power transmission shaft 2, be connected and fixed by screw respectively between overcoat 7 and two bearing supports 6 and 12, O-ring seals 9 sealings are set between overcoat 7 and two bearing supports 6 and 12, two bearing supports 6 are connected with power transmission shaft 2 by bearing 5 with 12, by end cap 3 and back-up ring 4 rigid bearings 5, seal disc 11 is provided with spring 8 and recess card device on the transmission axle key, spring 8 is sleeved on two seal discs 11, the outer face of seal disc 11 and two bearing supports 6 and 12 inner face are pressed together two planes by spring 8, play the action function of metal flat movable sealing.
The embodiment of the utility model is mining wet boring injector, the utility model is mining wet boring injector, it is to be made of with seal disc 11 connector 1 and power transmission shaft 2, connector 1 and power transmission shaft 2 and adapter sleeve 13 are interconnected by screw thread, connector 1 is provided with taper key, connector 1 is inserted in the adapter sleeve of rig, rotate transferring power with rig, power transmission shaft 2 middle parts are provided with the key of protrusion, driving seal disc 11 rotates together, O-ring seals 10 sealings are set between power transmission shaft 2 and the seal disc 11, power transmission shaft 2 middle parts and the boring of axle core are to the water filling of hollow drilling rod, adapter sleeve 13 is connected with the hollow drilling rod, the driving drilling rod rotates, O-ring seals 14 sealings are set between adapter sleeve 13 and the power transmission shaft 2, overcoat 7 is by end cap 3, back-up ring 4, bearing 5, bearing support 6 and 12 constitutes, overcoat 7 forms an airtight water-injecting cavity with around the power transmission shaft 2, be connected and fixed by screw respectively between overcoat 7 and two bearing supports 6 and 12, purpose is to prevent thread looseness in power transmission shaft 2 rotates, O-ring seals 9 sealings are set between overcoat 7 and two bearing supports 6 and 12, two bearing supports 6 are connected with power transmission shaft 2 by bearing 5 with 12, so that minimizing rotation friction, by end cap 3 and back-up ring 4 rigid bearings 5, seal disc 11 is provided with spring 8 and recess card device on the transmission axle key, spring 8 is sleeved on two seal discs 11, the outer face of seal disc 11 and two bearing supports 6 and 12 inner face are pressed together two planes by spring 8, the action function of metal flat movable sealing is played through the very low plane of roughness of grinding in two planes.
Claims (2)
1, a kind of mining wet boring injector, it is to be made of with seal disc (11) connector (1) and power transmission shaft (2), it is characterized in that connector (1) and power transmission shaft (2) and adapter sleeve (13) are interconnected by screw thread, connector (1) is provided with taper key, connector (1) is inserted in the adapter sleeve of rig, power transmission shaft (2) middle part is provided with the key of protrusion, O-ring seals (10) sealing is set between power transmission shaft (2) and the seal disc (11), power transmission shaft (2) middle part and the boring of axle core are to the water filling of hollow drilling rod, adapter sleeve (13) is connected with the hollow drilling rod, O-ring seals (14) sealing is set between adapter sleeve (13) and the power transmission shaft (2), overcoat (7) is by end cap (3), back-up ring (4), bearing (5), bearing support (6) constitutes with (12), seal disc (11) is provided with spring (8) and recess card device on the transmission axle key, spring (8) is sleeved on two seal discs (11), and the outer face of seal disc (11) and two bearing supports (6) are pressed together two planes by spring (8) with the inner face of (12).
2, mining wet boring injector according to claim 1, it is characterized in that overcoat (7) and power transmission shaft (2) form an airtight water-injecting cavity on every side, be connected and fixed by screw respectively between overcoat (7) and two bearing supports (6) and (12), O-ring seals (9) sealing is set between overcoat (7) and two bearing supports (6) and (12), two bearing supports (6) are connected with power transmission shaft (2) by bearing (5) with (12), by end cap (3) and back-up ring (4) rigid bearing (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620009939 CN200946513Y (en) | 2006-09-12 | 2006-09-12 | Wet type drilling water-injector for mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620009939 CN200946513Y (en) | 2006-09-12 | 2006-09-12 | Wet type drilling water-injector for mining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200946513Y true CN200946513Y (en) | 2007-09-12 |
Family
ID=38733574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620009939 Expired - Fee Related CN200946513Y (en) | 2006-09-12 | 2006-09-12 | Wet type drilling water-injector for mining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200946513Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533502A (en) * | 2014-12-26 | 2015-04-22 | 枣庄矿业集团高庄煤业有限公司 | Simple coal injector |
| CN104563888A (en) * | 2015-02-09 | 2015-04-29 | 李阳铭 | Deep-plowing deep-scarifying spiral bit |
| CN106978985A (en) * | 2017-05-10 | 2017-07-25 | 中铁工程装备集团有限公司 | A kind of anti-swelling device of rig |
| CN113417586A (en) * | 2021-04-24 | 2021-09-21 | 才艳梅 | Wellhead high-pressure circulating guide tap |
| CN114856559A (en) * | 2022-05-13 | 2022-08-05 | 中煤科工集团西安研究院有限公司 | Coal mine underground rapid plug-in high-pressure dynamic sealing rotary water feeder and use method |
| CN114876456A (en) * | 2022-05-13 | 2022-08-09 | 中煤科工集团西安研究院有限公司 | Underground coal mine sealed plug-in wired signal transmission rotary water feeder and use method |
-
2006
- 2006-09-12 CN CN 200620009939 patent/CN200946513Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533502A (en) * | 2014-12-26 | 2015-04-22 | 枣庄矿业集团高庄煤业有限公司 | Simple coal injector |
| CN104563888A (en) * | 2015-02-09 | 2015-04-29 | 李阳铭 | Deep-plowing deep-scarifying spiral bit |
| CN104563888B (en) * | 2015-02-09 | 2019-07-26 | 广西五丰机械有限公司 | A kind of deep ploughing subsoiling augers |
| CN106978985A (en) * | 2017-05-10 | 2017-07-25 | 中铁工程装备集团有限公司 | A kind of anti-swelling device of rig |
| CN113417586A (en) * | 2021-04-24 | 2021-09-21 | 才艳梅 | Wellhead high-pressure circulating guide tap |
| CN114856559A (en) * | 2022-05-13 | 2022-08-05 | 中煤科工集团西安研究院有限公司 | Coal mine underground rapid plug-in high-pressure dynamic sealing rotary water feeder and use method |
| CN114876456A (en) * | 2022-05-13 | 2022-08-09 | 中煤科工集团西安研究院有限公司 | Underground coal mine sealed plug-in wired signal transmission rotary water feeder and use method |
| CN114876456B (en) * | 2022-05-13 | 2023-05-12 | 中煤科工集团西安研究院有限公司 | Underground coal mine sealing plug-in wired signal transmission rotary water feeder and use method thereof |
| CN114856559B (en) * | 2022-05-13 | 2023-05-16 | 中煤科工集团西安研究院有限公司 | Underground coal mine rapid-plugging high-pressure dynamic sealing rotary water feeder and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070912 Termination date: 20120912 |