CN214305089U - Speed reducer special for petroleum drilling directional inclinometer - Google Patents
Speed reducer special for petroleum drilling directional inclinometer Download PDFInfo
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- CN214305089U CN214305089U CN202023276334.1U CN202023276334U CN214305089U CN 214305089 U CN214305089 U CN 214305089U CN 202023276334 U CN202023276334 U CN 202023276334U CN 214305089 U CN214305089 U CN 214305089U
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Abstract
The utility model provides a speed reducer special for a directional inclinometer for petroleum drilling, wherein the rear end of an output shaft is provided with a plurality of pin holes, primary pin shafts are fixed in the pin holes, and primary planet wheels are arranged at the rear end of each primary pin shaft; the gear ring is positioned at the periphery of the primary planet gear and meshed with the primary planet gear; the planet carrier is positioned in the gear ring and behind the output shaft, a through hole is formed in the center of the planet carrier, and the primary sun gear is fixed in the through hole and meshed with the primary planet gear; the planet carrier is provided with a plurality of pin holes along the circumferential direction, secondary pin shafts are fixed in the pin holes, and secondary planet wheels are arranged at the rear ends of the secondary pin shafts; the rear flange is fixed at the rear end of the gear ring; the front end of the secondary sun gear penetrates through the rear flange to be inserted into the gear ring and is meshed with the plurality of secondary planet gears. The utility model provides a technical scheme's beneficial effect is: the process of production, processing and assembly is simplified, the production cost is reduced, the axial size is shortened, and the problem of limited installation space is solved.
Description
Technical Field
The utility model relates to a mechanical transmission technical field especially relates to a special speed reducer of directional inclinometer of oil drilling.
Background
In a traditional planetary reducer, a deep groove ball bearing is arranged between a rear flange and an input shaft, and the reducer has the defects of overlong axial size, more complex structure, high processing and assembling difficulty and high production cost due to the fact that the reducer is provided with the input shaft, the deep groove ball bearing, an elastic retainer ring for a shaft and an elastic retainer ring for a hole, and cannot be installed under the condition that the axial installation space is limited. Therefore, it is necessary to develop a special planetary reducer, which has the characteristics of high precision, strong rigidity, small volume, compact structure, convenient installation and the like, and can be widely applied to the technical field of mechanical transmission.
SUMMERY OF THE UTILITY MODEL
In view of this, in order to solve the above problem, an embodiment of the present invention provides a speed reducer dedicated for a directional inclinometer for oil drilling.
An embodiment of the utility model provides a special speed reducer of directional inclinometer of oil drilling, include:
the rear end of the output shaft is provided with a plurality of pin holes at intervals along the circumferential direction, a primary pin shaft is fixed in each pin hole, the rear end of each primary pin shaft is positioned outside the pin hole, and a primary planet wheel is arranged at the rear end of each primary pin shaft;
the gear ring is positioned at the periphery of the primary planet gear, and the inner teeth of the gear ring are meshed with the outer teeth of the primary planet gear;
the planet carrier is positioned in the gear ring and behind the primary planet wheels, a through hole is formed in the center of the planet carrier, the primary sun wheel is fixed in the through hole and is coaxially arranged with the planet carrier, and the front end of the primary sun wheel is positioned outside the through hole and meshed with the primary planet wheels; the planet carrier is provided with a plurality of pin holes at intervals along the circumferential direction, a secondary pin shaft is fixed in each pin hole, the rear end of each secondary pin shaft protrudes out of the planet carrier, and a secondary planet wheel is arranged at the rear end of each secondary pin shaft;
the rear flange is fixed at the rear end of the gear ring; and the number of the first and second groups,
and the rear end of the secondary sun wheel is fixedly connected with input equipment, and the front end of the secondary sun wheel is inserted into the gear ring through the rear flange and meshed with the plurality of secondary planet wheels.
Furthermore, the front end of the output shaft is connected with the gear ring through a single-row deep groove ball bearing.
Furthermore, the front end of the output shaft is connected with the gear ring through two single-row deep groove ball bearings, a circlip for holes is arranged between the two single-row deep groove ball bearings, a third annular groove is arranged at the position of the gear ring opposite to the circlip for holes, and the circlip for holes is located in the third annular groove.
Furthermore, the front end of the output shaft is provided with a split retainer ring.
Furthermore, a single-row deep groove ball bearing is fixed at the rear end of the secondary sun wheel.
Furthermore, a plurality of oil holes arranged at intervals penetrate through the planet carrier, the rear end of the output shaft extends in an annular shape to form a protruding portion in a protruding mode in the circumferential direction, the pin holes are formed in the protruding portion, and the protruding portion penetrates through the oil holes arranged at intervals.
Further, the gear ring is connected with the rear flange through a screw connector.
Furthermore, a gasket is arranged between the rear flange and the secondary planet wheel.
Furthermore, a gasket is arranged between the planet carrier and the primary planet wheel.
Furthermore, one end of the primary pin shaft, which is opposite to the primary planet wheel, is recessed inwards to form a first annular groove, and the first annular groove is positioned on the periphery of the primary pin shaft; and/or the presence of a gas in the gas,
and one end of the secondary pin shaft, which is opposite to the secondary planet wheel, is inwards sunken to form a second annular groove, and the second annular groove is positioned on the periphery of the secondary pin shaft.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is: compared with the traditional planetary reducer, the planetary reducer has the advantages of simplicity, fewer parts, convenience in processing, production and assembly, and capability of greatly reducing the production cost; the axial dimension is shorter than that of the traditional planetary reducer, the installation requirement can be still met when the space is limited, and the production and the use are convenient; the device has the characteristics of high precision, strong rigidity, small volume, compact structure, convenient installation and the like, and can be widely applied to the technical field of mechanical transmission.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a speed reducer dedicated for a directional inclinometer in oil drilling according to the present invention;
FIG. 2 is a cross-sectional view of the carrier of FIG. 1 in a transverse direction;
FIG. 3 is a longitudinal cross-sectional view of the carrier of FIG. 1;
FIG. 4 is a cross-sectional view of the output shaft of FIG. 1 in a transverse direction;
fig. 5 is a longitudinal sectional view of the output shaft of fig. 1.
In the figure: 1-output shaft, 2-split retainer ring, 3, 5, 15, 16-single-row deep groove ball bearing, 4-elastic retainer ring for hole, 6-first-stage pin shaft, 7-first-stage planet wheel, 8, 18-gasket, 9-planet carrier, 91-through hole, 1a, 92-pin hole, 10-second-stage pin shaft, 11-second-stage planet wheel, 12-M3X10 inner hexagonal countersunk head screw, 13-rear flange, 14-second-stage sun wheel, 17-M3X10 inner hexagonal countersunk head screw, 19-first-stage sun wheel, 20-gear ring, 21-first annular groove, 22-second annular groove, 23-protruding part, 1b, 24-oil hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
Referring to fig. 1 to 5, an embodiment of the present invention provides a speed reducer dedicated for a directional inclinometer for petroleum drilling, including an output shaft 1, a gear ring 20, a planet carrier 9, a rear flange 13, and a secondary sun gear 14.
The rear end of the output shaft 1 is provided with a plurality of pin holes at intervals along the circumferential direction, in the embodiment, three pin holes are arranged, a first-stage pin shaft 6 is fixed in each pin hole, the rear end of each first-stage pin shaft 6 is positioned outside the pin hole, and a first-stage planet wheel 7 is arranged at the rear end of each first-stage pin shaft 6. The ring gear 20 is located 7 peripheries of one-level planet wheel, ring gear 20 internal tooth with 7 external teeth of one-level planet wheel mesh mutually, output shaft 1 front end with connect through single deep groove ball bearing between the ring gear 20, the 1 front end of output shaft is equipped with split ring 2, the dismouting of being convenient for.
The rear flange 13 is fixed at the rear end of the gear ring 20, and the gear ring 20 and the rear flange 13 are connected through a spigot and are locked and fixed by screw connectors (M3X10 hexagon socket countersunk head screws 12 and 17). A gasket 18 is arranged between the rear flange 13 and the secondary planet wheel 11, a gasket 8 is arranged between the planet carrier 9 and the primary planet wheel 7, and the gasket is used for reducing friction between the planet carrier 9 and the primary planet wheel 7 and between the rear flange 13 and the secondary planet wheel 11, so that abrasion and resistance can be reduced.
The rear end of the secondary sun gear 14 is used for being fixedly connected with an input device, and the front end of the secondary sun gear is used for penetrating through the rear flange 13, being inserted into the gear ring 20 and being meshed with the plurality of secondary planet gears 11. The rear end of the secondary sun gear 14 is provided with threads for connecting with an input device. A single-row deep groove ball bearing is fixed at the rear end of the secondary sun gear 14, and in the embodiment, two single-row deep groove ball bearings 15 and 16 are arranged for supporting the input device.
During operation, pass back flange 13 with second grade sun gear 14 front end and insert to ring gear 20 in, mesh with a plurality of second grade planet wheel 11 mutually, input device drive second grade sun gear 14 rotates, second grade sun gear 14 drives second grade planet wheel 11 through the external toothing and rotates on second grade round pin axle 10, second grade round pin axle 10 drives planet carrier 9 and rotates, planet carrier 9 drives one-level sun gear 19 and rotates, one-level sun gear 19 drives one-level planet wheel 7 through the external toothing and rotates on one-level round pin axle 6, one-level round pin axle 6 drives output shaft 1 and rotates.
The utility model provides a planetary reducer, between one-level round pin axle 6 and one-level planet wheel 7, all do not have bearing between second grade round pin axle 10 and the second grade planet wheel 11, the assembly of being convenient for, it is with low costs. The input equipment drives the second-level sun gear 14 to operate, the structure omits parts such as an input shaft of the speed reducer, a bearing, an elastic retainer ring for the shaft and the like, simplifies the procedures of production, processing and assembly, reduces the production cost, and more importantly, the structure shortens the axial size, is convenient to produce and use, and solves the problem of limited installation space. Meanwhile, the device has the characteristics of high precision, strong rigidity, small volume, compact structure, convenience in installation and the like, and can be widely applied to the technical field of mechanical transmission.
One end of the first-stage pin shaft 6 opposite to the first-stage planet wheel 7 is inwards recessed to form a first annular groove 21, the first annular groove 21 is positioned on the periphery of the first-stage pin shaft 6, one end of the second-stage pin shaft 10 opposite to the second-stage planet wheel 11 is inwards recessed to form a second annular groove 22, the second annular groove 22 is positioned on the periphery of the second-stage pin shaft 10, and lubricating oil can be filled in the first annular groove 21 and the second annular groove 22 to play a lubricating role.
In this embodiment, the front end of the output shaft 1 is connected with the gear ring 20 through two single-row deep groove ball bearings 3 and 5, a circlip 4 for holes is arranged between the two single-row deep groove ball bearings, a third annular groove is arranged at a position of the gear ring 20 opposite to the circlip 4 for holes, and the circlip 4 for holes is located in the third annular groove, so that the deep groove ball bearings 3 and 5 can be prevented from moving in the axial direction. The single-row deep groove ball bearing is an immovable deep groove ball bearing or an immovable open bearing. The outer ring of the single-row deep groove ball bearing serves as a spigot of the speed reducer and is used for being connected with output equipment, the axial size of the speed reducer is shortened, and the assembly error of the speed reducer is reduced.
The last oilhole that runs through to be equipped with a plurality of intervals and set up of planet carrier 9, the protruding extension of output shaft 1 rear end to the circumferencial direction is cyclic annular and sets up protruding portion 23, the pinhole is located protruding portion 23 is last, protruding portion 23 runs through the oilhole that is equipped with a plurality of intervals and sets up, the oil return of being convenient for.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The special speed reducer for the directional inclinometer for the petroleum drilling is characterized by comprising:
the rear end of the output shaft is provided with a plurality of pin holes at intervals along the circumferential direction, a primary pin shaft is fixed in each pin hole, the rear end of each primary pin shaft is positioned outside the pin hole, and a primary planet wheel is arranged at the rear end of each primary pin shaft;
the gear ring is positioned at the periphery of the primary planet gear, and the inner teeth of the gear ring are meshed with the outer teeth of the primary planet gear;
the planet carrier is positioned in the gear ring and behind the primary planet wheels, a through hole is formed in the center of the planet carrier, the primary sun wheel is fixed in the through hole and is coaxially arranged with the planet carrier, and the front end of the primary sun wheel is positioned outside the through hole and meshed with the primary planet wheels; the planet carrier is provided with a plurality of pin holes at intervals along the circumferential direction, a secondary pin shaft is fixed in each pin hole, the rear end of each secondary pin shaft protrudes out of the planet carrier, and a secondary planet wheel is arranged at the rear end of each secondary pin shaft;
the rear flange is fixed at the rear end of the gear ring; and the number of the first and second groups,
and the rear end of the secondary sun wheel is fixedly connected with input equipment, and the front end of the secondary sun wheel is inserted into the gear ring through the rear flange and meshed with the plurality of secondary planet wheels.
2. The speed reducer special for the directional inclinometer during oil drilling as claimed in claim 1, wherein the front end of the output shaft is connected with the gear ring through a single-row deep groove ball bearing.
3. The speed reducer special for the directional inclinometer during oil drilling as claimed in claim 2, wherein the front end of the output shaft is connected with the gear ring through two single-row deep groove ball bearings, a circlip for holes is arranged between the two single-row deep groove ball bearings, a third annular groove is arranged at the position of the gear ring opposite to the circlip for holes, and the circlip for holes is positioned in the third annular groove.
4. The speed reducer special for the directional inclinometer during oil drilling as claimed in claim 1, wherein the front end of the output shaft is provided with a split washer.
5. The speed reducer special for the directional inclinometer during oil drilling as claimed in claim 1, wherein a single-row deep groove ball bearing is fixed on the rear end of the secondary sun gear.
6. The reducer of claim 1, wherein the planet carrier has a plurality of spaced oil holes, the rear end of the output shaft extends in a circular manner to form a protruding portion, the pin hole is formed in the protruding portion, and the protruding portion has a plurality of spaced oil holes.
7. The speed reducer special for the oil drilling directional inclinometer as claimed in claim 1, wherein the gear ring is connected with the rear flange through a screw joint.
8. The reducer special for the oil drilling directional inclinometer of claim 1, characterized in that a gasket is arranged between the rear flange and the secondary planet wheel.
9. The reducer special for the directional inclinometer during oil drilling as claimed in claim 1, wherein a gasket is arranged between the planet carrier and the primary planet wheel.
10. The speed reducer special for the oil drilling directional inclinometer as claimed in claim 1, wherein one end of the primary pin shaft, which is opposite to the primary planet wheel, is recessed inwards to form a first annular groove, and the first annular groove is located at the periphery of the primary pin shaft; and/or the presence of a gas in the gas,
and one end of the secondary pin shaft, which is opposite to the secondary planet wheel, is inwards sunken to form a second annular groove, and the second annular groove is positioned on the periphery of the secondary pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023276334.1U CN214305089U (en) | 2020-12-29 | 2020-12-29 | Speed reducer special for petroleum drilling directional inclinometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023276334.1U CN214305089U (en) | 2020-12-29 | 2020-12-29 | Speed reducer special for petroleum drilling directional inclinometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214305089U true CN214305089U (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023276334.1U Active CN214305089U (en) | 2020-12-29 | 2020-12-29 | Speed reducer special for petroleum drilling directional inclinometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214305089U (en) |
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2020
- 2020-12-29 CN CN202023276334.1U patent/CN214305089U/en active Active
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