CN201738806U - Top driving gear speed reducing device of drilling machine - Google Patents
Top driving gear speed reducing device of drilling machine Download PDFInfo
- Publication number
- CN201738806U CN201738806U CN2010201975311U CN201020197531U CN201738806U CN 201738806 U CN201738806 U CN 201738806U CN 2010201975311 U CN2010201975311 U CN 2010201975311U CN 201020197531 U CN201020197531 U CN 201020197531U CN 201738806 U CN201738806 U CN 201738806U
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- Prior art keywords
- gear
- roller bearing
- bearing
- top drive
- drive mechanical
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- 238000005553 drilling Methods 0.000 title abstract description 16
- 230000009467 reduction Effects 0.000 claims abstract description 46
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000003129 oil well Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
The utility model discloses a top driving gear speed reducing device of a drilling machine, which comprises a gear speed reducing box that is internally provided with a reduction gear group; the gear speed reducing box is provided with a motor; and a water faucet central pipe is driven by the motor through the reduction gear group. The top driving gear speed reducing device has the advantages of simple and novel structure, convenient and fast manufacturing and overhauling, wide output rotating speed rang, large output torque, stable operation, low vibration and noise, high transmission efficiency, safety and reliability, long service life and the like, thus greatly improving the whole operation performance of a top driving drilling device.
Description
Technical field
The utility model relates to the gear drive in a kind of oil drilling and extracting equipment, the mechanical reduction gear that particularly a kind of oil-well rig top drive drilling system is used.
Background technology
The mode of traditional rotating disk, kelly bar drillng operation has two outstanding contradictions to fail effectively to be solved always.One can not in time be realized the spinfunction that circulates meeting bad ground owing to make a trip, or the landwaste precipitation, often causes bit freezing; Its two send to because conventional rig relies on rotating disk promotion kelly bar to rotate during creeping into, the length restriction of kelly bar drilling depth, so can only make up a joint at every turn, thereby efficient is low, labour intensity is big.
Top-drive drilling (being called for short the top drives), because it can be from the direct rotary drill column in top, derrick space, and send to downwards along exclusive guideway in the derrick, finishing drill string rotating creeps into, circulating fluid, connect thribble, multiple drill-well operations such as last shackle and back reaming, overcome the brill dish, the deficiency of kelly bar drilling well has significantly improved the ability and the efficient of drillng operation, has improved drilling safety, drilling practice shows: this device can be saved drilling time 20%～25%, and can prevent the generation of lock of tool drilling, and being used for off-angle drilling, economic effect is particularly remarkable when boring highly difficult directional well.
Existing top is driven and is adopted multi-form top to drive mechanical reduction gear, and about 10:1, the highest output speed is between 180～220RPM, between max. output torque 45000～60000N.m usually for gear-driven speed reducing ratio.Some top is driven and has been reached high pulling torque output, but but do clumsyly, less economical, some top is driven the output shaft that utilizes drilling motor and is stretched and connect the installation gear, this cantilevered is installed bigger alternation axial force and the radial load that causes motor bearings directly to bear gear drive and produce, and causes the serious unbalance loading of motor lower bearing, and bearing fatigue life is short, increase the frequency of maintenance that drive on the top, reduced the utilization rate of equipment; Also drive between drilling motor and gear reduction apparatus on some top has increased shaft coupling, has increased the overall height that drive on the top like this, has increased manufacturing cost and manufacture difficulty.
The utility model content
Goal of the invention of the present utility model is: at the problem of above-mentioned existence, provide a kind of compact conformation, manufacturability is strong, output torque is big, output speed wide ranges, efficient height, safe and reliable, the life-span long, the mechanical reduction gear of rig top drive stably turns round.
The technical solution of the utility model is achieved in that a kind of rig top drive mechanical reduction gear, comprise gear reduction box, be provided with train of reduction gears in the described gear reduction box, described gear reduction box is provided with motor, it is characterized in that: described motor drives swivel stem by described train of reduction gears.
Rig top drive mechanical reduction gear described in the utility model, its described gear reduction box comprises gear box cover and gear housing, described motor is arranged on the gear box cover.
Rig top drive mechanical reduction gear described in the utility model, its described train of reduction gears comprises high gear, intermediate gear shaft and output gear, described high gear is socketed on the output shaft of motor, on described motor output shaft, the high gear two ends are provided with bearing, be socketed with level driven gear at a high speed on described intermediate gear shaft top, described high speed level driven gear and high gear engagement, the gear part of described intermediate gear shaft and output gear engagement, described output gear is fixedlyed connected with the locating surface of swivel stem.
Rig top drive mechanical reduction gear described in the utility model, its two ends at described intermediate gear shaft are provided with bearing.
Rig top drive mechanical reduction gear described in the utility model, the bearing of its described intermediate gear shaft upper end is a double-row self-aligning roller bearing, its lower end is disposed with double-row self-aligning roller bearing and cylinder roller bearing from top to bottom.
Rig top drive mechanical reduction gear described in the utility model, its intermediate gear shaft below, gear housing are provided with the magnetic plug screw.
Rig top drive mechanical reduction gear described in the utility model, its on the described motor output shaft, the bearing that is provided with above the high gear is double-row self-aligning roller bearing, the bearing that its below is provided with is a cylinder roller bearing.
Rig top drive mechanical reduction gear described in the utility model, it is provided with check ring between cylinder roller bearing outer ring below the high gear and gear housing.
Rig top drive mechanical reduction gear described in the utility model, its described swivel stem top is connected with gear box cover by taper roll bearing, below the locating surface of swivel stem, be provided with thrust roller bearing, below described thrust roller bearing, be provided with cylinder roller bearing.
Rig top drive mechanical reduction gear described in the utility model, its described motor is connected by inside and outside seam with gear box cover.
The utility model is in gear drive, the downward axial force of rotor assembly has been offset by the axial force that high gear makes progress, the radial load of high gear transmission simultaneously by two ends down disposed thereon bearing bear, reduced requirement to motor bearings, simplified general structure simultaneously, under equal-wattage, drilling motor can be done forr a short time, improve the application life of motor, reduced manufacturing cost; Because intermediate gear shaft adopts the double-row self-aligning roller bearing supporting, drive gear housing on the top and bear axial load generation bending when distortion, aligning effect by double-row self-aligning roller bearing, guaranteed the ideal engagement of gears at different levels, make transmission more steady, make that the gear capacity under the same terms is stronger, gear can not break down when having guaranteed high pulling torque output, and the while has also been avoided the bearing unbalance loading and early stage fatigue damage takes place.
After adopting this technical scheme, the key technical index that drive on this top has reached: maximum (top) speed 220RPM, max. output torque reaches 82500N.m, in the 500Tons rank, reached the top drive mechanical reduction gear volume minimum, weight is the lightest.Therefore, the utlity model has compact conformation, manufacturability is strong, output torque is big, output speed wide ranges, efficient height, safe and reliable, advantage such as the life-span long, running is steady, use this novel top to drive mechanical reduction gear and promoted the oil-well rig top all sidedly and drive transaction capabilities.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Mark among the figure: 1 is motor, and 2,4 is double-row self-aligning roller bearing, and 3 is high gear, 5 is gear box cover, and 6 is intermediate gear shaft, and 7 is high speed level driven gear, 8 is swivel stem, and 9 is taper roll bearing, and 10 is gear housing, 11 is output gear, 12 is thrust roller bearing, and 13,15,16 is cylinder roller bearing, and 14 is the magnetic plug screw, 17 is check ring, and 18 is locating surface.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1, a kind of rig top drive mechanical reduction gear, comprise gear box cover 5 and gear housing 10, described gear box cover 5 and gear housing 10 constitute gear reduction box, in described gear reduction box, be provided with train of reduction gears, described gear box cover 5 is provided with motor 1, and described motor 1 is connected by inside and outside seam with gear box cover 5.
Described train of reduction gears comprises high gear 3, intermediate gear shaft 6 and output gear 11, described high gear 3 is socketed on the output shaft of motor 1, on described motor 1 output shaft, high gear 3 two ends are provided with bearing, the bearing of She Zhiing is a double-row self-aligning roller bearing 2 above it, the bearing that its below is provided with is a cylinder roller bearing 16, between described cylinder roller bearing 16 outer rings and gear housing 10, be provided with check ring 17, be used for the motor output shaft lower end under the cylinder roller bearing supporting is effectively located, prevent that motor output shaft strength in operation from upwards producing bigger swing.
Be socketed with level driven gear 7 at a high speed on described intermediate gear shaft 6 tops, two ends at described intermediate gear shaft 6 are provided with bearing, the bearing of its upper end is a double-row self-aligning roller bearing 4, its lower end is disposed with double-row self-aligning roller bearing 4 and cylinder roller bearing 15 from top to bottom, described high speed level driven gear 7 and high gear 3 engagements, below the intermediate gear shaft 6, gear housing 10 is provided with magnetic plug screw 14, described magnetic plug screw 14 can make intermediate gear shaft 6 be in suspended state work.
The gear part of described intermediate gear shaft 6 and output gear 11 engagements, described output gear 11 is fixedlyed connected with the locating surface 18 of swivel stem 8, described swivel stem 8 tops are connected with gear box cover 5 by taper roll bearing 9, below the locating surface 18 of swivel stem 8, be provided with thrust roller bearing 12, below described thrust roller bearing 12, be provided with cylinder roller bearing 13.
Operating principle of the present utility model: the power of motor output passes to level driven gear at a high speed by high gear, the level driven gear is bound up on the intermediate gear shaft by cylindrical interference at a high speed, therefore power is delivered to intermediate gear shaft by a high speed level driven gear again, pass to output gear by intermediate gear shaft again, output gear is installed on the positioning cylindrical surface of swivel stem by screw and straight pin, power is exported by swivel stem at last, swivel stem rotates the drill string rotating that drives under it, realizes the drillng operation of oil-well rig.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. rig top drive mechanical reduction gear, comprise gear reduction box, be provided with train of reduction gears in the described gear reduction box, described gear reduction box is provided with motor (1), it is characterized in that: described train of reduction gears comprises high gear (3), intermediate gear shaft (6) and output gear (11), described high gear (3) is socketed on the output shaft of motor (1), on described motor (1) output shaft, high gear (3) two ends are provided with bearing, be socketed with level driven gear (7) at a high speed on described intermediate gear shaft (6) top, described high speed level driven gear (7) and high gear (3) engagement, the gear part of described intermediate gear shaft (6) and output gear (11) engagement, described output gear (11) is fixedlyed connected with the locating surface (18) of swivel stem (8).
2. rig top drive mechanical reduction gear according to claim 1 is characterized in that: described gear reduction box comprises gear box cover (5) and gear housing (10), and described motor (1) is arranged on the gear box cover (5).
3. rig top drive mechanical reduction gear according to claim 1 is characterized in that: the two ends at described intermediate gear shaft (6) are provided with bearing.
4. rig top drive mechanical reduction gear according to claim 3, it is characterized in that: the bearing of described intermediate gear shaft (6) upper end is double-row self-aligning roller bearing (4), and its lower end is disposed with double-row self-aligning roller bearing (4) and cylinder roller bearing (15) from top to bottom.
5. according to claim 3 or 4 described rig top drive mechanical reduction gears, it is characterized in that: intermediate gear shaft (6) below, gear housing (10) are provided with magnetic plug screw (14).
6. rig top drive mechanical reduction gear according to claim 1, it is characterized in that: on described motor (1) output shaft, the bearing that is provided with of high gear (3) top is double-row self-aligning roller bearing (2), the bearing that its below is provided with is cylinder roller bearing (16).
7. rig top drive mechanical reduction gear according to claim 6 is characterized in that: be provided with check ring (17) between cylinder roller bearing (16) outer ring below high gear (3) and the gear housing (10).
8. rig top drive mechanical reduction gear according to claim 1, it is characterized in that: described swivel stem (8) top is connected with gear box cover (5) by taper roll bearing (9), locating surface (18) below in swivel stem (8) is provided with thrust roller bearing (12), is provided with cylinder roller bearing (13) in described thrust roller bearing (12) below.
9. rig top drive mechanical reduction gear according to claim 2 is characterized in that: described motor (1) is connected by inside and outside seam with gear box cover (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201975311U CN201738806U (en) | 2010-05-20 | 2010-05-20 | Top driving gear speed reducing device of drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201975311U CN201738806U (en) | 2010-05-20 | 2010-05-20 | Top driving gear speed reducing device of drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201738806U true CN201738806U (en) | 2011-02-09 |
Family
ID=43554084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201975311U Expired - Fee Related CN201738806U (en) | 2010-05-20 | 2010-05-20 | Top driving gear speed reducing device of drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201738806U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595423A (en) * | 2015-01-22 | 2015-05-06 | 中国石油天然气集团公司 | Two-gear gear speed reducing box used for top driving well drilling device |
| CN106150340A (en) * | 2015-03-24 | 2016-11-23 | 王傳宗 | Propulsion device |
| CN112065265A (en) * | 2020-09-11 | 2020-12-11 | 四川昆仑石油设备制造有限公司 | Control structure of top drive device |
| CN113847414A (en) * | 2021-11-08 | 2021-12-28 | 黄秀芳 | Auxiliary support sliding bearing and gear lubricating structure for motor shaft of reciprocating pump |
-
2010
- 2010-05-20 CN CN2010201975311U patent/CN201738806U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595423A (en) * | 2015-01-22 | 2015-05-06 | 中国石油天然气集团公司 | Two-gear gear speed reducing box used for top driving well drilling device |
| CN106150340A (en) * | 2015-03-24 | 2016-11-23 | 王傳宗 | Propulsion device |
| CN106150340B (en) * | 2015-03-24 | 2018-08-21 | 王傳宗 | propulsion device |
| CN112065265A (en) * | 2020-09-11 | 2020-12-11 | 四川昆仑石油设备制造有限公司 | Control structure of top drive device |
| CN113847414A (en) * | 2021-11-08 | 2021-12-28 | 黄秀芳 | Auxiliary support sliding bearing and gear lubricating structure for motor shaft of reciprocating pump |
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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: 20110209 Termination date: 20160520 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |