CN203729875U - Rotating water seal device used for drilling machine - Google Patents
Rotating water seal device used for drilling machine Download PDFInfo
- Publication number
- CN203729875U CN203729875U CN201420047103.9U CN201420047103U CN203729875U CN 203729875 U CN203729875 U CN 203729875U CN 201420047103 U CN201420047103 U CN 201420047103U CN 203729875 U CN203729875 U CN 203729875U
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- China
- Prior art keywords
- water seal
- ring
- seal body
- hydraulic gland
- bearing
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- Expired - Fee Related
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Abstract
The utility model relates to a rotating water seal device used for a drilling machine. The rotating water seal device used for the drilling machine comprises a central spindle, a front baffle ring, a pressing cup, combined seals, seal rings, a positioning blot, a rotating cover, bearings, an O-shaped ring, a water seal bushing, a straight joint, a water seal body, an outer check ring and an inner check ring; a water inlet is formed in the side face of the water seal body, and the straight joint is arranged on the water inlet; the water seal bushing is arranged inside the water seal body, and the outer wall of the water seal bushing makes contact with the inner wall of the water seal body; one end of the water seal body is provided with the rotating cover. According to the rotating water seal device used for the drilling machine, two bearings are adopted, so that the positioning accuracy of the water seal central spindle is higher, and wear to a seal piece intensified by the function of the radial force is avoided. Two seal rings are additionally arranged on the inner sides of the combined seals on the two sides. Large particles in the mud are prevented from entering the combined seals, so that wear to the combined seals is reduced.
Description
Technical field
The utility model relates to a kind of water seal arrangement, is specifically related to the rotating water seal apparatus for a kind of rig.
Background technology
In horizontal directional drilling machine, the effect of rotation water seal is toward slurry conveyed in the main shaft rotating.Large and the potted component short problem in application life of the rotation water seal ubiquity water seal restriction loss of existing structure.
Utility model content
For addressing the above problem, technical problem to be solved in the utility model is to provide a kind of rotating water seal apparatus of rig.The utility model, by specially designed hydraulic gland, has been realized the object of minimizing restriction loss, the compensation effect that improves seal and prolongation seal life.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of rotating water seal apparatus for rig, comprises mandrel, front baffle ring, compression cup, combination envelope, sealing ring, positioning bolt, spiral cover, bearing, O shape circle, hydraulic gland, straight joint, water seal body, outer back-up ring and inner shield ring; On described water seal body side surface, be provided with water inlet, described straight joint is on described water inlet; Described hydraulic gland is in described water seal body inside, and the outer wall of described hydraulic gland contacts with described water seal body inwall; Be provided with described spiral cover in one end of described water seal body;
On the inwall of described hydraulic gland, be provided with two combination sealing grooves, described in each, combine in sealing groove and be all provided with a combination envelope, on the inwall of described hydraulic gland, be also provided with two seal grooves, described in each, in seal groove, be also all provided with a sealing ring; On the outer wall of described hydraulic gland, be provided with a circular hole and a slotted hole, described circular hole is just to described water inlet, and described positioning bolt is through the slotted hole that passes again described hydraulic gland after described water seal body;
Described mandrel is through described hydraulic gland, and the outer wall of described mandrel contacts with the inwall of two sealing rings with described mandrel, two combination envelopes;
Described bearing has two, and two described bearings are enclosed within respectively on the described mandrel at described hydraulic gland two ends; Wherein contact with described spiral cover near the bearing of described spiral cover; On the described mandrel of bearing one side away from described spiral cover, be provided with the shaft shoulder, be provided with described front baffle ring and inner shield ring at described bearing near a side of the described shaft shoulder, be provided with pressure ring and outer back-up ring at described bearing away from a side of the described shaft shoulder.
Further, on the sidewall contacting with two described bearings at described water seal body, be all provided with lubricating cup.
Wherein, straight joint is divided into external thread straight connector and internal thread straight joint: external thread straight connector is that two ends are screw thread, centre is outer-hexagonal, there is same threading path, also there is (the external screw thread reducing straight joint of the different threading paths in two ends, can be used in conjunction with movable joint, internal thread straight joint), use spanner and pipe wrench all can the application of force to twist; Internal thread straight joint is to be equivalent to an interior swivel nut, there is boss rib (strengthening the intensity of collar extension) at outside two ends, also there is the boss rib that is parallel to axial line one section of outside centre, mainly special in order to twist with spanner and pipe wrench, can directly connect with the threaded pipe in end, long multiplex this of carrier fluid pipeline carrys out transition.
Lubricating cup is a kind of lubricating arrangement, and the manual feeding lubricating device of oil-cup type, becomes oil gun to lubricating cup oiling, lubricating cup to oil site fuel feeding by operator with oil can.Be mainly used in low speed, underloading and intermittently used slide plane, exposed gear, chain and other single friction pairs.
Compression cup in common mechanical has following several effect: be 1, bearing location; 2, dustproof, gear oil; 3, carrying axial load.On large cuboid, process one section of less cylinder out, conventionally have: 1, on lathe, locate cuboid with four paws, car goes out cylinder; 2, CNC processing.
The beneficial effects of the utility model are: the rotating water seal apparatus of a kind of rig that the utility model provides, adopt two bearings, and make the positioning precision of water seal mandrel higher, avoid seal to be subject to the effect of radial load and aggravate its wearing and tearing.And the inner side of sealing in the combination of both sides, is provided with two sealing rings in addition, stops that particle large in mud enters combination envelope, thereby reduce the wearing and tearing that combination is sealed.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of hydraulic gland described in the utility model;
Fig. 3 is the sectional structure schematic diagram of hydraulic gland described in the utility model.
In accompanying drawing, the list of parts of each label representative is as follows:
1, mandrel, 2, front baffle ring, 3, lubricating cup, 4, compression cup, 5, combination envelope, 6, sealing ring, 7, positioning bolt, 8, spiral cover, 9, bearing, 10, O shape circle, 11, hydraulic gland, 12, straight joint, 13, water seal body, 14, outer back-up ring, 15, inner shield ring, 16, water inlet, 17, combination sealing groove, 18, seal groove, 19, circular hole, 20, slotted hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, for a rotating water seal apparatus for rig, comprise mandrel 1, front baffle ring 2, compression cup 4, combination envelope 5, sealing ring 6, positioning bolt 7, spiral cover 8, bearing 9, O shape circle 10, hydraulic gland 11, straight joint 12, water seal body 13, outer back-up ring 14 and inner shield ring 15; On described water seal body 13 sides, be provided with water inlet 16, described straight joint 12 is on described water inlet 16; Described hydraulic gland 11 is in described water seal body 13 inside, and the outer wall of described hydraulic gland 11 contacts with described water seal body 13 inwalls; Be provided with described spiral cover 8 in one end of described water seal body 13.
As shown in Figures 2 and 3, on the inwall of described hydraulic gland 11, be provided with two combination sealing grooves 17, described in each, combine and in sealing groove 17, be all provided with a combination envelope 5, on the inwall of described hydraulic gland 11, be also provided with two seal grooves 18, described in each, in seal groove 6, be also all provided with a sealing ring 6.Two combination envelopes 5 and two sealing rings 6 of the inside of hydraulic gland 11, play sealing function jointly.On the outer wall of described hydraulic gland 11, be provided with a circular hole 19 and a slotted hole 20, described circular hole 19 is just to described water inlet 16, and described positioning bolt 7 is through the slotted hole 20 that passes again described hydraulic gland 11 after described water seal body 13.Positioning bolt 7 inserts in the slotted hole of hydraulic gland 11, and restriction hydraulic gland 11 rotates and ensures that its circular hole 19 faces water inlet 16 directions, allows hydraulic gland 11 to carry out moving along water seal body 13 nose balances.Spiral cover 8 applies certain pretightning force by bearing 9 and pressure ring 4 to combination envelope 5, the wearing and tearing of compensation combination envelope 5.This structure makes to rotate water seal and has that restriction loss is little, the feature of long service life.In existing rotation water seal, do not limit the rotation of hydraulic gland 11, current enter water seal inside by annulus, and structure restriction loss meeting such under same diameter is larger.
Described mandrel 1 is through described hydraulic gland 11, and the outer wall of described mandrel 1 and described mandrel 1, two combinations are sealed 5 and contacted with the inwall of two sealing rings 6.Described bearing 9 has two, and two described bearings 9 are enclosed within respectively on the described mandrel 1 at described hydraulic gland 11 two ends; Wherein contact with described spiral cover 8 near the bearing 9 of described spiral cover 8; Be provided with described front baffle ring 2 and inner shield ring 15 at described bearing 9 near a side of the described shaft shoulder 21, be provided with pressure ring 4 and outer back-up ring 14 at described bearing 9 away from a side of the described shaft shoulder 21.On the sidewall contacting with two described bearings 9 at described water seal body 13, be all provided with lubricating cup 3.Two bearings 9 that are contained in water seal body 13 inside play a part supporting and positioning core axle 1.Existing rotation water seal inside does not have bearing, the rotation of mandrel, thereby cause the premature wear of seal by seal self-supporting.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (2)
1. for a rotating water seal apparatus for rig, it is characterized in that: comprise mandrel (1), front baffle ring (2), compression cup (4), combination envelope (5), sealing ring (6), positioning bolt (7), spiral cover (8), bearing (9), O shape circle (10), hydraulic gland (11), straight joint (12), water seal body (13), outer back-up ring (14) and inner shield ring (15); On described water seal body (13) side, be provided with water inlet (16), described straight joint (12) is on described water inlet (16); Described hydraulic gland (11) is in described water seal body (13) inside, and the outer wall of described hydraulic gland (11) contacts with described water seal body (13) inwall; Be provided with described spiral cover (8) in one end of described water seal body (13);
On the inwall of described hydraulic gland (11), be provided with two combination sealing grooves (17), described in each, combine and in sealing groove (17), be all provided with a combination envelope (5), on the inwall of described hydraulic gland (11), be also provided with two seal grooves (18), in seal groove described in each (6), be also all provided with a sealing ring (6); On the outer wall of described hydraulic gland (11), be provided with a circular hole (19) and a slotted hole (20), described circular hole (19) is just to described water inlet (16), and described positioning bolt (7) is through the slotted hole (20) that passes again described hydraulic gland (11) after described water seal body (13);
Described mandrel (1) is through described hydraulic gland (11), and the outer wall of described mandrel (1) contacts with the inwall of described two sealing rings (6) with described mandrel (1), described two combination envelopes (5);
Described bearing (9) has two, and two described bearings (9) are enclosed within respectively on the described mandrel (1) at described hydraulic gland (11) two ends; Wherein contact with described spiral cover (8) near the bearing (9) of described spiral cover (8); On the described mandrel (1) of bearing (9) one sides away from described spiral cover (8), be provided with the shaft shoulder (21), be provided with described front baffle ring (2) and inner shield ring (15) at described bearing (9) near a side of the described shaft shoulder (21), be provided with pressure ring (4) and outer back-up ring (14) at described bearing (9) away from a side of the described shaft shoulder (21).
2. a kind of rotating water seal apparatus for rig according to claim 1, is characterized in that: on the sidewall contacting with two described bearings (9) at described water seal body (13), be all provided with lubricating cup (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420047103.9U CN203729875U (en) | 2014-01-24 | 2014-01-24 | Rotating water seal device used for drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420047103.9U CN203729875U (en) | 2014-01-24 | 2014-01-24 | Rotating water seal device used for drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203729875U true CN203729875U (en) | 2014-07-23 |
Family
ID=51199956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420047103.9U Expired - Fee Related CN203729875U (en) | 2014-01-24 | 2014-01-24 | Rotating water seal device used for drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203729875U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018233218A1 (en) * | 2017-06-19 | 2018-12-27 | 珠海市英格尔特种钻探设备有限公司 | Portable drilling machine and power head water seal structure thereof |
| CN109237043A (en) * | 2018-11-30 | 2019-01-18 | 恒天九五重工有限公司 | A kind of rotary sealing appts of water supply or the air supply system dual fail-safe of drilling machine |
| CN109268504A (en) * | 2018-11-30 | 2019-01-25 | 恒天九五重工有限公司 | A kind of rotary sealing appts of dual fail-safe |
| CN109282039A (en) * | 2018-11-30 | 2019-01-29 | 恒天九五重工有限公司 | A kind of dual fail-safe and high voltage bearing rotary sealing appts |
| CN109282038A (en) * | 2018-11-30 | 2019-01-29 | 恒天九五重工有限公司 | A kind of high voltage bearing rotary sealing appts |
| CN109281613A (en) * | 2018-11-30 | 2019-01-29 | 恒天九五重工有限公司 | A kind of water supply of drilling machine or air supply system rotary sealing appts |
| CN109282036A (en) * | 2018-11-30 | 2019-01-29 | 恒天九五重工有限公司 | The water supply or air supply system dual fail-safe of drilling machine and high voltage bearing rotary sealing appts |
| CN109282040A (en) * | 2018-11-30 | 2019-01-29 | 恒天九五重工有限公司 | A kind of water supply of drilling machine or the high voltage bearing rotary sealing appts of air supply system |
| CN109340489A (en) * | 2018-12-13 | 2019-02-15 | 恒天九五重工有限公司 | A kind of wired and radio universal type rotary sealing appts |
| CN110107247A (en) * | 2019-05-30 | 2019-08-09 | 广州加士特密封技术有限公司 | A kind of slip seals structure |
-
2014
- 2014-01-24 CN CN201420047103.9U patent/CN203729875U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018233218A1 (en) * | 2017-06-19 | 2018-12-27 | 珠海市英格尔特种钻探设备有限公司 | Portable drilling machine and power head water seal structure thereof |
| CN109237043A (en) * | 2018-11-30 | 2019-01-18 | 恒天九五重工有限公司 | A kind of rotary sealing appts of water supply or the air supply system dual fail-safe of drilling machine |
| CN109268504A (en) * | 2018-11-30 | 2019-01-25 | 恒天九五重工有限公司 | A kind of rotary sealing appts of dual fail-safe |
| CN109282039A (en) * | 2018-11-30 | 2019-01-29 | 恒天九五重工有限公司 | A kind of dual fail-safe and high voltage bearing rotary sealing appts |
| CN109282038A (en) * | 2018-11-30 | 2019-01-29 | 恒天九五重工有限公司 | A kind of high voltage bearing rotary sealing appts |
| CN109281613A (en) * | 2018-11-30 | 2019-01-29 | 恒天九五重工有限公司 | A kind of water supply of drilling machine or air supply system rotary sealing appts |
| CN109282036A (en) * | 2018-11-30 | 2019-01-29 | 恒天九五重工有限公司 | The water supply or air supply system dual fail-safe of drilling machine and high voltage bearing rotary sealing appts |
| CN109282040A (en) * | 2018-11-30 | 2019-01-29 | 恒天九五重工有限公司 | A kind of water supply of drilling machine or the high voltage bearing rotary sealing appts of air supply system |
| CN109340489A (en) * | 2018-12-13 | 2019-02-15 | 恒天九五重工有限公司 | A kind of wired and radio universal type rotary sealing appts |
| CN110107247A (en) * | 2019-05-30 | 2019-08-09 | 广州加士特密封技术有限公司 | A kind of slip seals structure |
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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: 20140723 Termination date: 20220124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |