CN203835254U - Drive shaft assembly of spiral drilling rig - Google Patents
Drive shaft assembly of spiral drilling rig Download PDFInfo
- Publication number
- CN203835254U CN203835254U CN201420092964.9U CN201420092964U CN203835254U CN 203835254 U CN203835254 U CN 203835254U CN 201420092964 U CN201420092964 U CN 201420092964U CN 203835254 U CN203835254 U CN 203835254U
- Authority
- CN
- China
- Prior art keywords
- radially
- transmission shaft
- inner sleeve
- power transmission
- under
- 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
Landscapes
- Mounting Of Bearings Or Others (AREA)
Abstract
A drive shaft assembly of a spiral drilling rig is characterized in that a drive shaft and a drive shaft shell are combined in an inside and outside mode; a universal joint water cap, an alloy sleeve, an upper radial TC inner sleeve, a woodruff key, an upper radial TC outer sleeve, a multi-column pressure-loaded bearing, a pressure-bearing sleeve, an anti-falling semi-ring, a lower radial TC outer sleeve, a lower radial TC inner sleeve, an O-type sealing ring and a support sleeve are creatively combined from top to bottom to form the drive shaft assembly of the spiral drilling rig. The structure of the drive shaft assembly is changed, the number of threaded connection parts is reduced, the mechanical property of the structure is improved, assembling procedures are reduced, through improvement of the structure and the adding of the alloy sleeve, damage of external factors to the drive shaft is reduced or eliminated, the service life of the drive shaft is prolonged, and the maintenance cost of the spiral drilling rig is lowered.
Description
Technical field
The utility model relates to the Novel structure of a kind of oil drilling down-hole screw drill transmission shaft, specifically a kind of screw drill transmission shaft assembly.
Background technology
In Process of Oil Well Drilling, helicoid hydraulic motor in use shaft end endoporus endoporus under the effect of high speed slurry flows of power transmission shaft water receiving cap produces erosion phenomenon, has had a strong impact on application life and the safety of power transmission shaft; There is deviation in axiality and the power transmission shaft of the TC bearing of driving-shaft assembly inside, in use eccentric wear easily occurs TC bearing, causes TC bearing wear too much, affects the application life of a whole set of drilling tool; Before power transmission shaft inside, adopt the locking that is threaded more, be threaded in the potential safety hazard that exists drilling tool under flexural stress and tensile impact effect of stress frequently, and in the maintenance disassembly process of drilling tool, produce the situation of unnecessary thread damage, the operation and the labour intensity that have increased maintenance, maintenance efficiency is low.
Summary of the invention
The purpose of this utility model designs a kind of screw drill transmission shaft assembly, novel power transmission shaft internal construction, make it reach the mechanical property that reduces the raising structure that is threaded, reduce assembly process, by the improvement of structure and adding of alloy sheath, reduce or eliminate the damage of external factor to power transmission shaft, the application life of improving power transmission shaft, the maintenance cost of reduction drilling tool.
The technical solution of the utility model is achieved in the following ways:
The utility model comprises universal water saving cap, alloy sheath, on TC inner sleeve radially, woodruff key, on TC overcoat radially, multiple row pressure-loaded bearing, transmission shaft shell, for pressure-bearing cover, anti-lost semi-ring, under TC overcoat radially, under TC inner sleeve radially, power transmission shaft, O RunddichtringO and support set, it is characterized in that: TC inner sleeve radially under transmission shafts head part outer peripheral face is provided with, under TC inner sleeve outer peripheral face TC overcoat radially under being provided with radially, under radially TC inner sleeve bottom be threaded with power transmission shaft, under radially in TC set upper side be provided with the anti-lost semi-ring that the groove set with power transmission shaft interlocks, anti-lost semi-ring upper end be provided with power transmission shaft on the pressure-bearing cover that interlocks of set convex arc, under radially the upper end of TC overcoat be provided with the support set that is enclosed within anti-lost semi-ring and pressure-bearing cover periphery, under radially the periphery of TC overcoat be threaded with transmission shaft shell lower end, at pressure-bearing cover be provided with multiple row pressure-loaded bearing above support set, power transmission shaft periphery on multiple row pressure-loaded bearing is provided with radially TC inner sleeve, be provided with radially TC overcoat in the periphery of upper radially TC inner sleeve, on radially TC overcoat bottom be connected with transmission shaft shell top by woodruff key, on radially TC inner sleeve top be connected with power transmission shaft top screw thread, power transmission shaft upper end is threaded with universal water saving cap 1, in power transmission shaft upper end, week is provided with alloy sheath.
Power transmission shaft is made as cylindrical, top is provided with the male thread being connected with upper radially TC inner sleeve, middle and lower part be provided with the groove of anti-lost semi-ring kissing and with the convex arc of pressure-bearing cover kissing, bottom be provided with under male thread that radially TC inner sleeve is connected, bottom is provided with the box thread being connected with drill bit.
Transmission shaft shell top is provided with male thread, and bottom is provided with box thread, is provided with two hole enlargement steps that the little lower diameter of diameter is large in top week, and lower hole enlargement step is made as latus rectum below.
The utility model has the advantages that the structure that has changed driving-shaft assembly, reduce the position being threaded, improve the mechanical property of structure, reduce assembly process, by the improvement of structure and adding of alloy sheath, reduce or eliminate the damage of external factor to power transmission shaft, the application life of improving power transmission shaft, the maintenance cost of reduction drilling tool.
Brief description of the drawings
Fig. 1 is assembly structure schematic diagram of the present utility model.
Radially radially radially radially TC inner sleeve, 12-power transmission shaft, 13-O RunddichtringO under TC overcoat, 11-under TC overcoat, 6-multiple row pressure-loaded bearing, 7-transmission shaft shell, 8-pressure-bearing cover, the anti-lost semi-ring of 9-, 10-on TC inner sleeve, 4-woodruff key, 5-on the universal water saving cap of 1-, 2-alloy sheath, 3-in figure, 14-O RunddichtringO, 15-support set.
Detailed description of the invention
For further disclosing the technical solution of the utility model, elaborate by embodiment below in conjunction with Figure of description:
The utility model comprises universal water saving cap 1, alloy sheath 2, on TC inner sleeve 3 radially, woodruff key 4, on TC overcoat 5 radially, multiple row pressure-loaded bearing 6, transmission shaft shell 7, for pressure-bearing cover 8, anti-lost semi-ring 9, under TC overcoat 10 radially, under TC inner sleeve 11 radially, power transmission shaft 12, O RunddichtringO 14 and support set 15, it is characterized in that: power transmission shaft (12) shaft head divide outer peripheral face be provided with under TC inner sleeve 11 radially, under TC inner sleeve 11 outer peripheral faces TC overcoat 10 radially under being provided with radially, under radially TC inner sleeve bottom be threaded with power transmission shaft, under radially TC inner sleeve 11 upper ends be provided with the anti-lost semi-ring 9 that the groove set with power transmission shaft interlocks, anti-lost semi-ring 9 upper ends be provided with power transmission shaft on the pressure-bearing cover that interlocks of set convex arc, under radially the upper end of TC overcoat 10 be provided with and be enclosed within anti-lost semi-ring 9 and pressure-bearing is overlapped the support set of 8 peripheries, under radially the periphery of TC overcoat 10 be threaded with transmission shaft shell 7 lower ends, at pressure-bearing cover 8 be provided with multiple row pressure-loaded bearing 6 above support set 15, power transmission shaft periphery on multiple row pressure-loaded bearing is provided with radially TC inner sleeve 3, be provided with radially TC overcoat 5 in the periphery of upper radially TC inner sleeve, on radially TC overcoat bottom be connected with transmission shaft shell 7 tops by woodruff key 4, on radially TC inner sleeve top be connected with power transmission shaft top screw thread, power transmission shaft upper end is threaded with universal water saving cap 1, in power transmission shaft upper end, be provided with alloy sheath 2 week.
In the time of assembling, under first general, radially TC inner sleeve is arranged on power transmission shaft 12 spindle nose parts, under TC inner sleeve 11 outsides covers TC overcoat 10 radially up and down radially, again anti-lost semi-ring 9 is buckled in the groove of power transmission shaft, put pressure-bearing cover 8 in anti-lost semi-ring 9 outsides, put support set 15 in pressure-bearing cover and the outside of anti-lost semi-ring, the lower surface of support set with under the upper surface axial location of TC overcoat 10 radially, the lower surface axial location of the outer ring of the upper surface of support set 15 and multiple row pressure-loaded bearing 6, multiple row pressure-loaded bearing and power transmission shaft 12 are matched in clearance, convenient for assembly and maintenance, the inner ring lower end of multiple row pressure-loaded bearing and pressure-bearing put end face axial location, on 6 upper surface, outer ring axial location of the lower surface of TC overcoat 5 and multiple row pressure-loaded bearing radially, the half the circumference of the sleeve where it joins the shoulder face axial location of the half the circumference of the sleeve where it joins the shoulder face of transmission shaft shell 7 endoporus and upper radially TC overcoat 5, on radially TC inner sleeve 3 by the inner ring of power transmission shaft 12 upper end screw-threaded coupling multiple row pressure-loaded bearings 6, finally, radially TC overcoat 10 is connected with transmission shaft shell 7 by screw thread, and the radially upper surface of TC overcoat 10 and support set 14 lower surface axial location (10), the axial cooperation of the inside of final locking driving-shaft assembly.In the step groove of power transmission shaft upper end, be coated with anaerobic adhesive alloy sheath 2 is installed, leave the fitting allowance of 1mm at power transmission shaft upper surface and universal water saving cap 1 inner face, leave the gap of 1mm, in the situation that multiple row pressure-loaded bearing produces gap, can automatically eliminate a small amount of gap of generation, be conducive to extend the application life of driving-shaft assembly.Upper radially TC overcoat 5 and under radially between TC overcoat 10 and transmission shaft shell, increased O-ring seals 13,14, avoided mud and silt to enter into connection of thread, the phenomenon of the dismounting thread gluing of generation.
Claims (3)
1. a screw drill transmission shaft assembly, comprise universal water saving cap, alloy sheath, on TC inner sleeve radially, woodruff key, on TC overcoat radially, multiple row pressure-loaded bearing, transmission shaft shell, for pressure-bearing cover, anti-lost semi-ring, under TC overcoat radially, under TC inner sleeve radially, power transmission shaft, O RunddichtringO and support set, it is characterized in that: TC inner sleeve radially under transmission shafts head part outer peripheral face is provided with, under TC inner sleeve outer peripheral face TC overcoat radially under being provided with radially, under radially TC inner sleeve bottom be threaded with power transmission shaft, under radially in TC set upper side be provided with the anti-lost semi-ring that the groove set with power transmission shaft interlocks, anti-lost semi-ring upper end be provided with power transmission shaft on the pressure-bearing cover that interlocks of set convex arc, under radially the upper end of TC overcoat be provided with the support set that is enclosed within anti-lost semi-ring and pressure-bearing cover periphery, under radially the periphery of TC overcoat 1 be threaded with transmission shaft shell lower end, at pressure-bearing cover be provided with multiple row pressure-loaded bearing above support set, power transmission shaft periphery on multiple row pressure-loaded bearing is provided with radially TC inner sleeve, be provided with radially TC overcoat in the periphery of upper radially TC inner sleeve, on radially TC overcoat bottom be connected with transmission shaft shell top by woodruff key, on radially TC inner sleeve top be connected with power transmission shaft top screw thread, power transmission shaft upper end is connected with universal water saving cap thread, in power transmission shaft upper end, week is provided with alloy sheath.
2. screw drill transmission shaft assembly according to claim 1, it is characterized in that: power transmission shaft is made as cylindrical, top is provided with the male thread being connected with upper radially TC inner sleeve, middle and lower part be provided with the groove of anti-lost semi-ring kissing and with the convex arc of pressure-bearing cover kissing, bottom be provided with under male thread that radially TC inner sleeve is connected, bottom is provided with the box thread being connected with drill bit.
3. screw drill transmission shaft assembly according to claim 1, is characterized in that: transmission shaft shell top is provided with male thread, and bottom is provided with box thread, is provided with two hole enlargement steps that the little lower diameter of diameter is large in top week, and lower hole enlargement step is made as latus rectum below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420092964.9U CN203835254U (en) | 2014-03-04 | 2014-03-04 | Drive shaft assembly of spiral drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420092964.9U CN203835254U (en) | 2014-03-04 | 2014-03-04 | Drive shaft assembly of spiral drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203835254U true CN203835254U (en) | 2014-09-17 |
Family
ID=51513111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420092964.9U Expired - Fee Related CN203835254U (en) | 2014-03-04 | 2014-03-04 | Drive shaft assembly of spiral drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203835254U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299063A (en) * | 2015-09-16 | 2016-02-03 | 盐城市大冈石油工具厂有限责任公司 | Endurance alloy combination bearing of screw rod drill |
| CN106121510A (en) * | 2016-08-25 | 2016-11-16 | 天津立林石油机械有限公司 | Integral type semi-ring driving-shaft assembly |
| CN106150341A (en) * | 2016-08-25 | 2016-11-23 | 天津立林石油机械有限公司 | Double compensation automatic pressure-regulating oil seal transmission shaft assembly |
| CN106194004A (en) * | 2016-08-30 | 2016-12-07 | 天津立林石油机械有限公司 | Nearly drill bit driving-shaft assembly |
| CN108194033A (en) * | 2017-12-21 | 2018-06-22 | 天津立林石油机械有限公司 | Helicoid hydraulic motor double compensation automatic pressure-regulating oil seal transmission shaft assembly |
| CN111852334A (en) * | 2019-04-30 | 2020-10-30 | 中国石油化工股份有限公司 | Reactive torque automatic balancing device for screw drill, drilling pipe string and method |
-
2014
- 2014-03-04 CN CN201420092964.9U patent/CN203835254U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299063A (en) * | 2015-09-16 | 2016-02-03 | 盐城市大冈石油工具厂有限责任公司 | Endurance alloy combination bearing of screw rod drill |
| CN106121510A (en) * | 2016-08-25 | 2016-11-16 | 天津立林石油机械有限公司 | Integral type semi-ring driving-shaft assembly |
| CN106150341A (en) * | 2016-08-25 | 2016-11-23 | 天津立林石油机械有限公司 | Double compensation automatic pressure-regulating oil seal transmission shaft assembly |
| CN106194004A (en) * | 2016-08-30 | 2016-12-07 | 天津立林石油机械有限公司 | Nearly drill bit driving-shaft assembly |
| CN108194033A (en) * | 2017-12-21 | 2018-06-22 | 天津立林石油机械有限公司 | Helicoid hydraulic motor double compensation automatic pressure-regulating oil seal transmission shaft assembly |
| CN108194033B (en) * | 2017-12-21 | 2024-03-29 | 天津立林石油机械有限公司 | Double-compensation automatic pressure-regulating oil seal transmission shaft assembly of screw drilling tool |
| CN111852334A (en) * | 2019-04-30 | 2020-10-30 | 中国石油化工股份有限公司 | Reactive torque automatic balancing device for screw drill, drilling pipe string and method |
| CN111852334B (en) * | 2019-04-30 | 2021-09-24 | 中国石油化工股份有限公司 | Reactive torque automatic balancing device for screw drill, drilling pipe string and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203835254U (en) | Drive shaft assembly of spiral drilling rig | |
| CN202047748U (en) | Ultra short radius horizontal well flexible drilling tool | |
| CN101307674B (en) | Long life spiral transduction apparatus | |
| CN103046896A (en) | Fracturing bridge plug | |
| CN104120971B (en) | A kind of torsion generator that unidirectional impact is provided | |
| CN103362438B (en) | Power section of hydraulic balance turbodrill | |
| CN203905875U (en) | One-way high-frequency impact reversing motor | |
| CN107152237A (en) | A kind of high pulling torque self-balancing low speed turbodrill | |
| CN202260661U (en) | Combined all-metal screw stator | |
| CN105937383A (en) | Soluble full-bore ball seat working barrel | |
| CN108716362B (en) | Hydraulic bearing screw drilling tool | |
| CN202249752U (en) | Seal transmission shaft | |
| CN201412443Y (en) | Multi-row serial thrust conical roller bearing | |
| CN207420489U (en) | Antioverloading helicoid hydraulic motor | |
| CN202913946U (en) | Screw drill | |
| CN206329272U (en) | A kind of screw drill transmission shaft assembly | |
| CN106014198B (en) | A kind of efficient connecting pipes drilling rig | |
| CN203516414U (en) | Split type rotating shaft | |
| CN210918920U (en) | Self-rotating dynamic stabilization short joint | |
| CN202360020U (en) | Floating device of drilling and exploring machine | |
| CN203685092U (en) | Continuous milling device | |
| CN104779733A (en) | Oil submersible motor | |
| CN205089228U (en) | Drill rod lifting and extracting device for rotary drilling rig | |
| CN205089519U (en) | Mud generator in pit with wear proof device | |
| CN212154690U (en) | Rotary drilling rig elevator with built-in gas transmission channel |
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: 20140917 Termination date: 20150304 |
|
| EXPY | Termination of patent right or utility model |