CN201090718Y - Top drive gear box for well drilling - Google Patents
Top drive gear box for well drilling Download PDFInfo
- Publication number
- CN201090718Y CN201090718Y CNU2007201881416U CN200720188141U CN201090718Y CN 201090718 Y CN201090718 Y CN 201090718Y CN U2007201881416 U CNU2007201881416 U CN U2007201881416U CN 200720188141 U CN200720188141 U CN 200720188141U CN 201090718 Y CN201090718 Y CN 201090718Y
- Authority
- CN
- China
- Prior art keywords
- bearing
- suspension ring
- boss
- cover
- driving gear
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a top drive gear case used in well drilling, comprising a case body (1), a suspension sleeve (2) and a flying ring (3). The utility model is characterized in that a lug boss (2a) is arranged on the outer circle at the upper end of the suspension sleeve (2); a first bearing (4) is arranged at the lower end of the lug boss (2a) and is positioned by the bottom face of a bearing hole (1a) on the case body(1); a circular oil collecting groove (1b) is arranged at the bottom face; an oil return hole (1c) communicated with the outside is arranged in the circular oil collecting groove (1b); a second bearing (5) is arranged at the upper end of the lug boss (2a) and props against the adjacent components through a spacing sheath (6). The top drive gear case can prolong the service life of the main shaft and the main thrust block, lubricate and seal the bearing of the suspension sleeve and keep the bearing of the suspension sleeve free from dust; meanwhile, the turret of the top drive gear case has great bearing capacity and is stable and reliable.
Description
Technical field
The utility model relates to a kind of oil drilling device, relates in particular to a kind of top-driving gear-box of oil drilling device.
Background technique
The oil drilling top driving device is that power drives a kind of device of gear reduction box from drilling rod top-driving drilling tool through the top, is the important technology in current oil-well drilling equipment field, and the top-driving gear-box is to push up to drive one of key equipment of drilling rig.Present existing top-driving gear-box, two kinds of structural types are generally arranged: a kind of is single load passage, be that drilling process and the process of making a trip are main shaft and main thrust bearings carrying, this kind structure is comparatively simple, but its overall process carrying form has had a strong impact on the working life of its main shaft and main thrust bearings; Another kind is two load passages, drilling process is main shaft and main thrust bearings carrying, the process that makes a trip is then directly acted on the casing through hanging cover and bearing thereof by the suspension ring in the returning head device, improved the working life of main shaft and main thrust bearings effectively, but be positioned at the gear reduction box body and hang cover outside because of it hangs the cover bearing, turret head promptly hangs cover and suspension ring assembly itself again for revolving part, and is dustproof for it, lubricate and oil sealing brings great difficulty.In addition, suspension ring are enclosed within to hang and put, with the joining mode of suspension cover, a kind of is to connect with the suspension ring end cap by bolt, and the suspension ring end cap is affixed with the suspension cover by bolt, makes suspension ring be fixed on suspension to put, or radially pass suspension ring with radial peg along suspension ring and stretch in the suspension cover, adopt the suspension ring of these two kinds of means of fixation, after work a period of time, put from suspension easily and come off.
The model utility content
Technical problem to be solved in the utility model is, provides a kind of and can improve main shaft and main thrust bearings working life, is convenient to hang the top-driving gear-box of dustproof, the lubricated and oil sealing of cover bearing again.
The technical solution of the utility model is as follows: a kind of drilling well top-driving gear-box, comprise casing, hang cover and suspension ring, described suspension set upper side cylindrical is provided with boss, clutch shaft bearing is equipped with in described boss lower end, this bearing is by the bottom end location of casing bearing hole, on this end face, be provided with annular oil trap, establish spill port in this oil trap, and communicate with the external world by spill port; Second bearing is equipped with in described boss upper end, and this bearing is by spacer sleeve and the inconsistent realization of adjacent parts location.
Described clutch shaft bearing is a self-aligning thrust roller bearing, and described second bearing is a tapered roller bearing.
The housing plate of described casing lower end surface and the oil sealing of wherein being adorned are the two halves split-type structural, and the cylindrical joint of two halves end cap is provided with journal stirrup and passes through Bolt Connection.
Described suspension cover lower end cylindrical is provided with annular groove, and described suspension ring are the two halves split-type structural, are provided with boss in its endoporus, and this boss snaps in the groove, and one of them is circumferentially fixing by key and suspension cover for described suspension ring; Described suspension ring cylindrical joint is provided with journal stirrup and passes through Bolt Connection.
The suspension ring end cap of described suspension ring lower end surface and the oil sealing of wherein being adorned are the two halves split-type structural, and the cylindrical joint of two halves end cap is provided with journal stirrup and passes through Bolt Connection.
Adopt above technological scheme, guaranteeing that the drilling operation course neutralization makes a trip under the different prerequisite of the load passage of process, be installed in box house hanging the cover bearing, hanging cover top is stuck in the casing by bearing, after driving, power can rotate freely, owing to adopt two load channel design forms, be that drilling process is main shaft and main thrust bearings carrying, the process that makes a trip is then directly acted on the casing through hanging cover and bearing thereof by suspension ring, thereby reduce main shaft and the main thrust bearings carrying time, improve its working life, and suspension cover bearing is in box house and design has lubrication channel, efficiently solves it and prevents dust, lubricated, with the oil sealing problem; In addition, suspension ring snap in by boss and hang in the cover, and hang cover and connect firmly, and turret head can carry bigger load, and housing plate, suspension ring end cap and the oil sealing wherein adorned are the two halves split-type structural, are convenient to mounting or dismounting, keep in repair.
The beneficial effects of the utility model are:
1, can improve the working life of gear-box main shaft and main thrust bearings, be convenient to hang dustproof, the lubricated and oil sealing of cover bearing again.
2, suspension ring connect firmly with the suspension cover, and the turret head bearing capacity is strong, reliable and stable.
3, oil trap and spill port have alleviated the oil sealing burden of institute's charge of oil envelope in housing plate and the suspension ring end cap, have improved oil sealing working life, and in addition, the two halves split-type structural is convenient to dismounting, is changed oil sealing.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, the utility model mainly comprises casing 1, hangs cover 2, suspension ring 3, clutch shaft bearing 4 and second bearing 5 etc.Be provided with in the internal support hole 1a of casing 1 can bear larger axis to the self-aligning thrust roller bearing of power as clutch shaft bearing 4, tapered roller bearing is set as second bearing 5, with the radial displacement of this tapered roller bearing restriction main shaft 14; Suspension cover 2 upper end cylindricals are provided with boss 2a and snap between the clutch shaft bearing 4 and second bearing 5, clutch shaft bearing 4 is installed in boss 2a lower end, this bearing is by the bottom end location of casing 1 bearing hole 1a, on this end face, be provided with annular oil trap 1b, be provided with spill port 1c in this oil trap 1b, oil trap 1b is connected with the external world by spill port 1c; Boss 2a is equipped with second bearing 5 in the upper end, and this bearing is by the inconsistent realization of spacer sleeve 6 and adjacent parts location.The housing plate 7 of casing 1 lower end surface and the oil sealing of wherein being adorned are the two halves split-type structural, and two semicircle end caps butt joints are provided with journal stirrup at the joint of housing plate 7 cylindricals, and journal stirrup connects by bolt 8.
Hang cover 2 lower end cylindricals and be provided with annular groove, suspension ring 3 are the two halves split-type structural, its endoporus is provided with boss 3a, this boss 3a snaps in the groove that hangs cover 2, wherein half of described suspension ring 3 circumferentially fixed with hanging cover 2 by key 9, and suspension ring 3 cylindrical joints are provided with journal stirrup, and journal stirrup connects by bolt 10, because of the two halves of suspension ring 3 are fixedly connected by bolt 10, so it is circumferentially fixing only to need half of suspension ring fitting key 9 to realize.The suspension ring end cap 11 of suspension ring 3 lower end surfaces and the oil sealing of wherein being adorned are the two halves split-type structural, and the cylindrical joint of two halves end cap is provided with journal stirrup and connects by bolt 12.
During work, power behind the gear double reduction, is given main shaft 14 with transmission of power by two input shafts 13 of symmetric arrangement, by main shaft 14 transmission of power is carried out drillng operation to drilling tool again.Owing to hang the block bearing 4 of cover, 5 are installed in gear housing inside, do not need independent dust guard, and spacer sleeve 6 endoporus and second bearing, 5 end faces form an oil trap, in the gear-box drilling process and the process that makes a trip, lubricant oil can pass through main thrust bearings 15, roller bearing 16 flow in this oil trap, lubricant oil is by hanging the tapered roller bearing 5 on the cover 2, behind the self-aligning thrust roller bearing 4, enter among the annular oil trap 1b of bearing hole 1a bottom end, thereby form oil circulation by spill port 1c again, solved suspension thus and put two bearings 4,5 lubrication problem.Effect because of two oil traps and spill port 1c significantly reduces the oil mass that enters housing plate 7 and suspension ring end cap 11, has alleviated the work load of two end cap and inner oil sealing thereof.Simultaneously, housing plate 7 and suspension ring end cap 11 and the oil sealing of wherein being adorned are the two halves split-type structural, when as the oil seal failure of easily damaged parts, can the scene open end cap easily and change, and have reduced engineering time, have improved the utilization ratio of this device.
Claims (5)
1. drilling well top-driving gear-box, comprise casing (1), hang cover (2) and suspension ring (3), it is characterized in that: hang cover (2) upper end cylindrical and be provided with boss (2a), clutch shaft bearing (4) is equipped with in described boss (2a) lower end, this bearing is by the bottom end location of casing (1) bearing hole (1a), on this end face, be provided with annular oil trap (1b), establish spill port (1c) in this oil trap (1b), and communicate with the external world by spill port (1c); Second bearing (5) is equipped with in described boss (2a) upper end, and this bearing is by the inconsistent realization of spacer sleeve (6) and adjacent parts location.
2. drilling well top-driving gear-box according to claim 1 is characterized in that: described clutch shaft bearing (4) is a self-aligning thrust roller bearing, and described second bearing (5) is a tapered roller bearing.
3. drilling well top-driving gear-box according to claim 1, it is characterized in that: the housing plate (7) of described casing (1) lower end surface and the oil sealing of wherein being adorned are the two halves split-type structural, and the cylindrical joint of two halves end cap is provided with journal stirrup and connects by bolt (8).
4. drilling well top-driving gear-box according to claim 1, it is characterized in that: described suspension cover (2) lower end cylindrical is provided with annular groove, described suspension ring (3) are the two halves split-type structural, its endoporus is provided with boss (3a), this boss (3a) snaps in the groove, and one of them is circumferentially fixing by key (9) and suspension cover (2) for described suspension ring (3); Suspension ring (3) cylindrical joint is provided with journal stirrup and connects by bolt (10).
5. according to claim 1 or 4 described drilling well top-driving gear-boxes, it is characterized in that: the suspension ring end cap (11) of described suspension ring (3) lower end surface and the oil sealing of wherein being adorned are the two halves split-type structural, and the cylindrical joint of two halves end cap is provided with journal stirrup and connects by bolt (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201881416U CN201090718Y (en) | 2007-10-31 | 2007-10-31 | Top drive gear box for well drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201881416U CN201090718Y (en) | 2007-10-31 | 2007-10-31 | Top drive gear box for well drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201090718Y true CN201090718Y (en) | 2008-07-23 |
Family
ID=39862479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201881416U Expired - Fee Related CN201090718Y (en) | 2007-10-31 | 2007-10-31 | Top drive gear box for well drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201090718Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996067A (en) * | 2012-12-26 | 2013-03-27 | 中国石油集团长城钻探工程有限公司顶驱技术分公司 | Hanging ring adapter with oppositely-opened top drive |
| CN103459868A (en) * | 2011-03-30 | 2013-12-18 | 奥依列斯工业株式会社 | Thrust sliding bearing and mechanism combining thrust sliding bearing and piston rod |
| CN108086991A (en) * | 2017-12-27 | 2018-05-29 | 上海振华重工集团(南通)传动机械有限公司 | A kind of new offshore wind farm Pile development machine drive system |
| CN109854721A (en) * | 2019-02-27 | 2019-06-07 | 中交天和机械设备制造有限公司 | Embedding rock drilling machine driving portion |
-
2007
- 2007-10-31 CN CNU2007201881416U patent/CN201090718Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103459868A (en) * | 2011-03-30 | 2013-12-18 | 奥依列斯工业株式会社 | Thrust sliding bearing and mechanism combining thrust sliding bearing and piston rod |
| CN103459868B (en) * | 2011-03-30 | 2016-04-13 | 奥依列斯工业株式会社 | The combined mechanism of thrust slide bearing and thrust slide bearing and piston rod |
| CN102996067A (en) * | 2012-12-26 | 2013-03-27 | 中国石油集团长城钻探工程有限公司顶驱技术分公司 | Hanging ring adapter with oppositely-opened top drive |
| CN108086991A (en) * | 2017-12-27 | 2018-05-29 | 上海振华重工集团(南通)传动机械有限公司 | A kind of new offshore wind farm Pile development machine drive system |
| CN109854721A (en) * | 2019-02-27 | 2019-06-07 | 中交天和机械设备制造有限公司 | Embedding rock drilling machine driving portion |
| CN109854721B (en) * | 2019-02-27 | 2023-09-08 | 中交天和机械设备制造有限公司 | Driving part of rock-socketed drilling machine |
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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: 20080723 Termination date: 20111031 |