CN206487429U - The screw drill transmission shaft of new structure - Google Patents
The screw drill transmission shaft of new structure Download PDFInfo
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- CN206487429U CN206487429U CN201720093351.0U CN201720093351U CN206487429U CN 206487429 U CN206487429 U CN 206487429U CN 201720093351 U CN201720093351 U CN 201720093351U CN 206487429 U CN206487429 U CN 206487429U
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- bearings
- transmission shaft
- power transmission
- housing
- pressure
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Abstract
The utility model proposes a kind of screw drill transmission shaft of new structure, including：Power transmission shaft, anti-lost housing, upper TC bearings, lower TC bearings, multi-row radical thrust ball bearing, housing, disjunctor water cap, the first pressure-bearing set, the second pressure-bearing set, housing is provided with the outside of the power transmission shaft, the power transmission shaft is sequentially installed with the first pressure-bearing set, lower TC bearings, the second pressure-bearing set, multi-row radical thrust ball bearing, upper TC bearings by lower end to upper end, and the first pressure-bearing set, lower TC bearings, the second pressure-bearing set, multi-row radical thrust ball bearing, upper TC bearings are arranged in the space surrounded by the housing and the power transmission shaft.The utility model integrally uses the assemble method of stacked, and inside is not threadedly coupled, easy to assembly simple, using disjunctor water cap and the axial compressive force of lower TC bearings, each part in fixed conveyor axle inside, it is ensured that normal work.
Description
Technical field
The utility model is related to helicoid hydraulic motor technical field, more particularly to a kind of screw drill transmission shaft of new structure.
Background technology
TC bearings represent hard alloy (TC) journal bearing, are the key fitments of the helicoid hydraulic motor for oil exploitation.
Existing TC bearings are obtained by hard alloy bar, casting tungsten carbide powder and steel body by furnace brazing sinter molding.
Helicoid hydraulic motor is a kind of downhole tool by power of mud, and it is total by driving-shaft assembly, motor assembly, universal drive shaft
Into, anti-lost assembly and the most of composition of by-pass valve assembly five.
Existing screw drill transmission shaft has the following disadvantages：
1st, the upper and lower TC bearings moving-coil of existing product structure is gone into the well using by after slurry erosion, dismounting is tired using threaded connection
Difficult and screw thread easy damaged.
2nd, existing structure TC bearing arrangements are complicated, and production and processing cost is high.
3rd, power transmission shaft upper end is directly washed away by mud, and serious by erosion attack, service life is short.
4th, at power transmission shaft complete machine structure screwing position 4, it is required to during assembling by assembling and disassembling stand special equipment, work is strong
Degree is big, wastes time and energy.
Utility model content
The purpose of this utility model is intended at least solve one of described technological deficiency.
Therefore, the purpose of this utility model is to propose a kind of screw drill transmission shaft of new structure, solve existing
Screw drill transmission shaft is using threaded connection, the problem of dismantling difficult and screw thread easy damaged.
To achieve these goals, the utility model provides a kind of screw drill transmission shaft of new structure, including：Transmission
Axle, anti-lost housing, upper TC bearings, lower TC bearings, multi-row radical thrust ball bearing, housing, disjunctor water cap, the first pressure-bearing set,
Two pressure-bearing sets,
Housing is provided with the outside of the power transmission shaft, the power transmission shaft upper end is fixedly connected with disjunctor water cap, the disjunctor water cap
Wear ring is provided with the junction of the power transmission shaft, the housing upper end is connected with adjustable bending housing, housing lower end and anti-lost shell
Body connect, the power transmission shaft from lower end to upper end be sequentially installed with the first pressure-bearing set, lower TC bearings, the second pressure-bearing set, multiple row to
Heart thrust ball bearing, upper TC bearings, and the first pressure-bearing set, lower TC bearings, the second pressure-bearing set, multiple row angular contact ball bearing
Hold, upper TC bearings are arranged in the space surrounded by the housing and the power transmission shaft.
Further, the upper TC bearings include upper TC bearings moving-coil, upper TC bearings Jing Quan, and the upper TC bearings Jing Quan is set
The outside of the TC bearings moving-coil on described is put, and the upper TC bearings moving-coil is brought into close contact with the power transmission shaft.
Further, the lower TC bearings include lower TC bearings moving-coil, lower TC bearings Jing Quan, and the lower TC bearings Jing Quan is set
Put in the outside of the lower TC bearings moving-coil, and the lower TC bearings moving-coil is brought into close contact with the power transmission shaft.
Further, hydropneumatic O shape rubber seal is designed with the top and bottom of the housing and power transmission shaft.
Further, it is additionally provided with spacer between the second pressure-bearing set and the lower TC bearings.
Further, adjustment ring is provided between the disjunctor water cap and the housing.
Further, the upper end of the power transmission shaft is additionally provided with erosion control set.
The utility model integrally uses the assemble method of stacked, and inside is not threadedly coupled, easy to assembly simple, uses
Each part inside the axial compressive force of disjunctor water cap and lower TC bearings, fixed conveyor axle, it is ensured that normal work.
Power transmission shaft of the present utility model and upper TC bearings, lower TC bearings are all compressed using end face and positioned, easy removal,
After traditional power transmission shaft is solved due to use of going into the well, after the stress deformation of the dynamic set of upper and lower TC bearings and erosion, it is difficult to dismantle, and
When screw thread is dismantled the problem of subject to damage.
The utility model is additionally provided with erosion control set in the upper end of power transmission shaft, effectively power transmission shaft can be protected to rush when going into the well and using
Brush, reduces maintenance cost, extends the service life of power transmission shaft.
The additional aspect of the utility model and advantage will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined
Become substantially and be readily appreciated that, wherein：
Fig. 1 is structure chart of the present utility model.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
The utility model provides a kind of screw drill transmission shaft of new structure, shown in refer to the attached drawing 1, including：Power transmission shaft
10th, anti-lost housing 7, upper TC bearings, lower TC bearings, multi-row radical thrust ball bearing 3, housing 6, disjunctor water cap 14, the first pressure-bearing
The 11, second pressure-bearing set 4 is covered,
The outside of power transmission shaft 10 is provided with housing 6, and the upper end of power transmission shaft 10 is fixedly connected with disjunctor water cap 14, and disjunctor water cap 14 is with passing
The junction of moving axis 10 is provided with wear ring 13, and the upper end of housing 6 is connected with adjustable bending housing, and the lower end of housing 6 connects with anti-lost housing 7
Connect, it is centripetal that power transmission shaft 10 is sequentially installed with the first pressure-bearing set 11, lower TC bearings, the second pressure-bearing set 12, multiple row by lower end to upper end
Thrust ball bearing 3, upper TC bearings, and the first pressure-bearing set 11, lower TC bearings, the second pressure-bearing set 12, multi-row radical thrust ball bearing
3rd, upper TC bearings are arranged in the space surrounded by housing 6 and power transmission shaft 10.
Upper TC bearings include the quiet circle 2 of upper TC bearings moving-coil 1, upper TC bearings, and the upper quiet circle 2 of TC bearings is arranged on TC bearings and moved
The outside of circle 1, and upper TC bearings moving-coil 1 is brought into close contact with power transmission shaft 10.
Further, lower TC bearings include the quiet circle 8 of lower TC bearings moving-coil 9, lower TC bearings, and the lower quiet circle 8 of TC bearings is arranged on
The outside of lower TC bearings moving-coil 9, and lower TC bearings moving-coil 9 is brought into close contact with power transmission shaft 10.
Further, housing 6 at the top and bottom of power transmission shaft 10 with being designed with hydropneumatic O shape rubber seal
(B1、B2)。
Further, it is additionally provided with spacer 5 between the second pressure-bearing set 12 and lower TC bearings.
Further, adjustment ring 12 is provided between disjunctor water cap 14 and housing 6.
Further, the upper end of power transmission shaft 10 is additionally provided with erosion control set.
The utility model integrally uses the assemble method of stacked, and inside is not threadedly coupled, easy to assembly simple, uses
Each part inside the axial compressive force of disjunctor water cap and lower TC bearings, fixed conveyor axle, it is ensured that normal work.
Power transmission shaft of the present utility model and upper TC bearings, lower TC bearings are all compressed using end face and positioned, easy removal,
After traditional power transmission shaft is solved due to use of going into the well, after the stress deformation of the dynamic set of upper and lower TC bearings and erosion, it is difficult to dismantle, and
When screw thread is dismantled the problem of subject to damage.
The utility model is additionally provided with erosion control set in the upper end of power transmission shaft, effectively power transmission shaft can be protected to rush when going into the well and using
Brush, reduces maintenance cost, extends the service life of power transmission shaft.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is not departing from the utility model
Principle and objective in the case of above-described embodiment can be changed in the range of the utility model, change, replace and
Modification.Scope of the present utility model is extremely equally limited by appended claims.
Claims (7)
1. a kind of screw drill transmission shaft of new structure, it is characterised in that including：Power transmission shaft, anti-lost housing, upper TC bearings,
Lower TC bearings, multi-row radical thrust ball bearing, housing, disjunctor water cap, the first pressure-bearing set, the second pressure-bearing set,
Housing is provided with the outside of the power transmission shaft, the power transmission shaft upper end is fixedly connected with disjunctor water cap, the disjunctor water cap and institute
The junction for stating power transmission shaft is provided with wear ring, and the housing upper end is connected with adjustable bending housing, and housing lower end connects with anti-lost housing
Connect, the power transmission shaft is by lower end to upper end is sequentially installed with the first pressure-bearing set, lower TC bearings, the second pressure-bearing set, multiple row is centripetal pushes away
Power ball bearing, upper TC bearings, and the first pressure-bearing set, lower TC bearings, the second pressure-bearing set, multi-row radical thrust ball bearing, on
TC bearings are arranged in the space surrounded by the housing and the power transmission shaft.
2. the screw drill transmission shaft of new structure as claimed in claim 1, it is characterised in that：The upper TC bearings include upper
TC bearings moving-coil, upper TC bearings Jing Quan, the upper TC bearings Jing Quan are arranged on the outside of the upper TC bearings moving-coil, and it is described on
TC bearings moving-coil is brought into close contact with the power transmission shaft.
3. the screw drill transmission shaft of new structure as claimed in claim 1, it is characterised in that：Under the lower TC bearings include
TC bearings moving-coil, lower TC bearings Jing Quan, the lower TC bearings Jing Quan are arranged on the outside of the lower TC bearings moving-coil, and it is described under
TC bearings moving-coil is brought into close contact with the power transmission shaft.
4. the screw drill transmission shaft of new structure as claimed in claim 1, it is characterised in that：The housing and power transmission shaft
Hydropneumatic O shape rubber seal is designed with top and bottom.
5. the screw drill transmission shaft of new structure as claimed in claim 1, it is characterised in that：The second pressure-bearing set and institute
State and be additionally provided with spacer between lower TC bearings.
6. the screw drill transmission shaft of new structure as claimed in claim 1, it is characterised in that：The disjunctor water cap with it is described
Adjustment ring is provided between housing.
7. the screw drill transmission shaft of new structure as claimed in claim 1, it is characterised in that：The upper end of the power transmission shaft is also
Provided with erosion control set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720093351.0U CN206487429U (en) | 2017-01-23 | 2017-01-23 | The screw drill transmission shaft of new structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720093351.0U CN206487429U (en) | 2017-01-23 | 2017-01-23 | The screw drill transmission shaft of new structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206487429U true CN206487429U (en) | 2017-09-12 |
Family
ID=59766312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720093351.0U Active CN206487429U (en) | 2017-01-23 | 2017-01-23 | The screw drill transmission shaft of new structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206487429U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035679A (en) * | 2017-12-30 | 2018-05-15 | 贵州高峰石油机械股份有限公司 | A kind of method and pulse screw rod for improving helicoid hydraulic motor percussion drilling ability |
-
2017
- 2017-01-23 CN CN201720093351.0U patent/CN206487429U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035679A (en) * | 2017-12-30 | 2018-05-15 | 贵州高峰石油机械股份有限公司 | A kind of method and pulse screw rod for improving helicoid hydraulic motor percussion drilling ability |
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