CN201902163U - Flexible shock-absorbing transmission shaft assembly of spiral drilling rig - Google Patents
Flexible shock-absorbing transmission shaft assembly of spiral drilling rig Download PDFInfo
- Publication number
- CN201902163U CN201902163U CN2010206619099U CN201020661909U CN201902163U CN 201902163 U CN201902163 U CN 201902163U CN 2010206619099 U CN2010206619099 U CN 2010206619099U CN 201020661909 U CN201020661909 U CN 201020661909U CN 201902163 U CN201902163 U CN 201902163U
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- Prior art keywords
- transmission shaft
- bearing
- shaft assembly
- face
- bearing casing
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Abstract
A flexible shock-absorbing transmission shaft assembly of a spiral drilling rig comprises an upper bearing casing, a lower bearing casing, a radial bearing and a thrust bearing and is characterized in that a shock-absorbing rubber ring is arranged between the end face of the radial bearing and that of the thrust bearing, a round bevel edge is formed at the periphery of the opposite end face of the lower bearing casing and the upper bearing casing, and an annular groove is formed between the inclined plane of the bevel edge and the end face of the upper bearing casing. The rubber ring of the transmission shaft assembly can change the wave form and the frequency of shock and has good shock-absorbing effect; and the annular groove between the lower bearing casing and the upper bearing casing enhances the deforming capability of a transmission shaft without changing the strength of the transmission shaft, so as to avoid the impact of a drilling bit directly transmitting to the casings without any buffering, guarantee the safety of use and prolong the service life.
Description
Technical field
The utility model relates to the oil drilling and r eoovery machine field, specifically is a kind of screw drill transmission shaft assembly.
Background technology
In the oil drilling and r eoovery machine, the structure of existing helicoid hydraulic motor is that journal bearing 1 directly contacts with thrust bearing 2, and as shown in Figure 1, and upper bearing (metal) shell 3 also is that end face leans on extremely with lower bearing shell 4.This structure in use comes can have a strong impact on application life without any directly passing on the housing of cushioning to the impact force of drill bit.And can pass through by force after in compound brill, being subjected to resistance, make drilling tool be subjected to force environment abominable, easily produce down-hole accident.
The utility model content
In order to overcome the shortcoming that above-mentioned prior art exists, the purpose of this utility model is to provide a kind of flexible damping screw drill transmission shaft assembly, its good damping effect, safe in utilization and long service life.
For addressing the above problem, the utility model by the following technical solutions: this flexibility damping screw drill transmission shaft assembly comprises upper bearing (metal) shell, lower bearing shell, journal bearing, thrust bearing; Be provided with the yielding rubber circle between the end face of described journal bearing and the end face of thrust bearing.
As the further technical scheme of the utility model:
In this flexibility damping screw drill transmission shaft assembly, the periphery of described lower bearing shell and upper bearing (metal) shell opposing end faces is provided with a circle chamfering, forms cannelure between the inclined-plane that this chamfering forms and the end face of upper bearing (metal) shell.
The beneficial effects of the utility model are: it adds rubber ring between journal bearing and thrust bearing can change shocking waveshape and frequency, good damping effect, and the cannelure between lower bearing shell and the upper bearing (metal) shell has increased the deformability of power transmission shaft when not changing power transmission shaft intensity, thereby avoid the impact force of drill bit to have guaranteed safe in utilization and prolonged application life without any directly the passing on the housing of buffering.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described further:
Fig. 1 is the prior art constructions schematic diagram,
Fig. 2 is a structural representation of the present utility model,
Among the figure: 1 journal bearing, 2 thrust bearings, 3 upper bearing (metal) shells, 4 lower bearing shells, 5 yielding rubber circles, 6 cannelures.
The specific embodiment
As shown in Figure 2, this flexibility damping screw drill transmission shaft assembly mainly comprises upper bearing (metal) shell 3, lower bearing shell 4, journal bearing 1, thrust bearing 2.
Be provided with yielding rubber circle 5 between the end face of the end face of this journal bearing 1 and thrust bearing 2, change shocking waveshape and frequency.In addition, in this flexibility damping screw drill transmission shaft assembly, lower bearing shell 4 is provided with a circle chamfering with the periphery of upper bearing (metal) shell 1 opposing end faces, form cannelure 6 between the inclined-plane that this chamfering forms and the end face of upper bearing (metal) shell 1, when not changing power transmission shaft intensity, increased the deformability of power transmission shaft like this, avoid the impact force of drill bit can be, thereby guaranteed safe in utilization and prolonged application life without any directly the passing on the housing of buffering.
The same prior art of all the other technology.
Claims (2)
1. flexible damping screw drill transmission shaft assembly comprises upper bearing (metal) shell, lower bearing shell, journal bearing, thrust bearing, it is characterized in that: be provided with the yielding rubber circle between the end face of described journal bearing and the end face of thrust bearing.
2. flexible damping screw drill transmission shaft assembly according to claim 1 is characterized in that: the periphery of described lower bearing shell and upper bearing (metal) shell opposing end faces is provided with a circle chamfering, forms cannelure between the inclined-plane that this chamfering forms and the end face of upper bearing (metal) shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206619099U CN201902163U (en) | 2010-12-16 | 2010-12-16 | Flexible shock-absorbing transmission shaft assembly of spiral drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206619099U CN201902163U (en) | 2010-12-16 | 2010-12-16 | Flexible shock-absorbing transmission shaft assembly of spiral drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201902163U true CN201902163U (en) | 2011-07-20 |
Family
ID=44272763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206619099U Expired - Fee Related CN201902163U (en) | 2010-12-16 | 2010-12-16 | Flexible shock-absorbing transmission shaft assembly of spiral drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201902163U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268962A (en) * | 2011-08-09 | 2011-12-07 | 西南石油大学 | Oil seal screw drilling tool transmission shaft assembly with pressure compensation function |
| CN107407134A (en) * | 2015-04-17 | 2017-11-28 | 哈利伯顿能源服务公司 | Coupling mechanism for drive shaft transmission component |
-
2010
- 2010-12-16 CN CN2010206619099U patent/CN201902163U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268962A (en) * | 2011-08-09 | 2011-12-07 | 西南石油大学 | Oil seal screw drilling tool transmission shaft assembly with pressure compensation function |
| CN107407134A (en) * | 2015-04-17 | 2017-11-28 | 哈利伯顿能源服务公司 | Coupling mechanism for drive shaft transmission component |
| US10760351B2 (en) | 2015-04-17 | 2020-09-01 | Halliburton Energy Services, Inc. | Coupling mechanism for driveshaft transmission assembly |
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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: 20110720 Termination date: 20151216 |
|
| EXPY | Termination of patent right or utility model |