CN205936439U - Two shock attenuation screw rod drilling tools - Google Patents
Two shock attenuation screw rod drilling tools Download PDFInfo
- Publication number
- CN205936439U CN205936439U CN201620921596.3U CN201620921596U CN205936439U CN 205936439 U CN205936439 U CN 205936439U CN 201620921596 U CN201620921596 U CN 201620921596U CN 205936439 U CN205936439 U CN 205936439U
- Authority
- CN
- China
- Prior art keywords
- assembly
- air bag
- fittings body
- joint
- valve assembly
- 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
Abstract
The utility model discloses a two shock attenuation screw rod drilling tools, include: bypass valve assembly, the motor assembly that is connected with bypass valve assembly lower extreme, the cardan shaft assembly who is connected with motor assembly lower extreme and the transmission shaft assembly that is connected with the cardan shaft assembly lower extreme, the upper end of bypass valve assembly with the lower extreme of transmission shaft assembly connects with the radial stabilizer of drilling rod joint and the radial stabilizer of drill bit through flexible pipe respectively and is connected, the radial stabilizer of drilling rod connect the samely with the structure of the radial stabilizer of drill bit joint, its structure includes: the axial casing that connect the body, is connected with the joint body being provided with the retractable cavity who mutually supports with flexible pipe in the axial casing, serving at axial casing and one of flexible pipe and be provided with the installation cover, the tip of the flexible pipe in stretching into retractable cavity is provided with fixation nut and fills up with sealed the middle part that connects the body is provided with liquid inlet channel.
Description
Technical field
The utility model is related to a kind of double damping helicoid hydraulic motor.
Background technology
Petroleum resources are a kind of non-renewable resources, with the increasing of oil exploitation synergy control DTH hammer bit, oil drilling, repair
Well operations gradually extend to deeper more complicated geology, and inclined shaft, horizontal well and service shaft get more and more, due to casing deformation, bending,
Tiltedly stretch, when simple drill removes, casing wall can be often struck at and cause drilling tool impaired, or clash into fish cause drive bearing assembly and
Universal axle assembly damages.
Utility model content
Technical problem to be solved in the utility model is：A kind of double damping helicoid hydraulic motor of good buffer effect is provided.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is：Double damping helicoid hydraulic motor, including：
The universal axle assembly that the motor assembly that by-pass valve assembly is connected with by-pass valve assembly lower end is connected with motor assembly lower end
And the driving-shaft assembly being connected with universal axle assembly lower end, under the upper end of described by-pass valve assembly and described driving-shaft assembly
End is connected with drilling rod radial direction stabilizer joint and drill bit radial direction stabilizer joint by telescoping tube respectively, and described drilling rod is radially
Stabilizer joint is identical with the structure of drill bit radial direction stabilizer joint, and its structure includes：The axle that fittings body is connected with fittings body
To housing, in described axial shell
It is provided with the telescopic cavity cooperating with telescoping tube in vivo, axial shell one end with telescoping tube is provided with peace
Encapsulation, is provided with fixing nut and sealing gasket in the end of the telescoping tube stretching in telescopic cavity, sets at the middle part of described fittings body
It is equipped with feed pathway, described fittings body is provided with mounting groove, pass through briquetting in described mounting groove and trim ring slides and sets
It is equipped with wiper block, is provided with air bag standing groove inside described wiper block, in described air bag standing groove, be provided with buffer air bag,
It is provided with air cavity in described buffer air bag, described buffer air bag is provided with the charging connector being connected with air cavity, described
Inlet opening is provided with the fittings body inside wiper block, one end of described inlet opening and mounting groove are interconnected, described inlet opening
The other end be interconnected with feed pathway.
The utility model has the advantages that：Above-mentioned double damping helicoid hydraulic motor, drilling in horizontal well, inclined shaft and service shaft
When, if clashing into casing wall, the wiper block forced compression with buffer air bag, buffer air bag plays bumper and absorbing shock and makees to wiper block
With, the liquid in fittings body feed pathway can enter in mounting groove 14 from inlet opening simultaneously has squeezing action to wiper block, from
And play secondary buffer cushioning effect, being easy to helicoid hydraulic motor removes, and protects drilling tool and sleeve pipe, and when running into fish, telescoping tube can
To play axial buffer function, protection drive bearing assembly and universal axle assembly are not damaged by.
Brief description
Fig. 1 is the cross section structure diagram of the utility model double damping helicoid hydraulic motor top half.
Fig. 2 is the cross section structure diagram of the utility model double damping helicoid hydraulic motor the latter half.
Fig. 3 is the mplifying structure schematic diagram of part A in Fig. 1.
In figure：1st, by-pass valve assembly, 2, motor assembly, 3, universal axle assembly, 4, driving-shaft assembly, 5, telescoping tube, 6, bore
Bar radial direction stabilizer joint, 7, drill bit radial direction stabilizer joint, 8, fittings body, 81, feed pathway, 9, axial shell, 10, flexible
Chamber, 11, installation set, 12, fixing nut, 13, sealing gasket, 14, mounting groove, 15, briquetting, 16, trim ring, 17, wiper block, 18, gas
Capsule standing groove, 19, buffer air bag, 20, air cavity, 21, charging connector, 22, inlet opening.
Specific embodiment
Describe in detail particular content of the present utility model below in conjunction with the accompanying drawings with specific embodiment.
As shown in Figure 1, Figure 2, Figure 3 shows, double damping helicoid hydraulic motor, including：By-pass valve assembly 1 and by-pass valve assembly 1 lower end phase
The motor assembly 2 universal axle assembly 3 being connected with motor assembly 2 lower end that connects and being connected with universal axle assembly 3 lower end
Driving-shaft assembly 4, the upper end of described by-pass valve assembly 1 and the lower end of described driving-shaft assembly 4 pass through telescoping tube 5 and drilling rod respectively
Radial direction stabilizer joint 6 is connected with drill bit radial direction stabilizer joint 7, described drilling rod radial direction stabilizer joint 6 and drill bit footpath
Identical to the structure of stabilizer joint 7, its structure includes：The axial shell 9 that fittings body 8 is connected with fittings body 8, described
It is provided with the telescopic cavity 10 cooperating with telescoping tube 5 in axial shell 9, axial shell 9 one end with telescoping tube 5 is arranged
There is installation set 11, the end of the telescoping tube 5 stretching in telescopic cavity 10 is provided with fixing nut 12 and sealing gasket 13, connects described
The middle part of head body 8 is provided with feed pathway 81, is provided with mounting groove 14, on described fittings body 8 in described mounting groove 14
Slided by briquetting 15 and trim ring 16 and be provided with wiper block 17, inside described wiper block 17, be provided with air bag standing groove 18,
Set in described air bag standing groove 18
It is equipped with buffer air bag 19, in described buffer air bag 19, is provided with air cavity 20, described buffer air bag 19 is arranged
Have the charging connector 21 being connected with air cavity 20, inlet opening 22 be provided with the fittings body 8 of described wiper block 17 inner side, described enter
One end of fluid apertures 22 is interconnected with mounting groove 14, and the other end of described inlet opening 22 and feed pathway 81 are interconnected.
When above-mentioned double damping helicoid hydraulic motor uses, in horizontal well, inclined shaft and service shaft during drilling, if clashing into set
Tube wall, to interior Slideslip in mounting groove 14, wiper block 17 extrudes buffer air bag 19 to wiper block 17 stress, buffer air bag 19 with connect
Head body 8 offsets, and buffer air bag 19 has reaction force thus playing cushioning effect to wiper block 17.Meanwhile, fluid is passing through
Can enter in mounting groove 14 from inlet opening 22 during feed pathway 81 in fittings body 8, enter into the fluid meeting in mounting groove 14
Outside thrust is produced to wiper block 17, thus playing secondary buffer effect.Under cushioning effect twice, helicoid hydraulic motor can be just
In removing, protect drilling tool and sleeve pipe, when running into fish, telescoping tube 5 can play axial buffer function, and protection drive bearing is total
One-tenth 4 and universal axle assembly 3 are not damaged by.
Above-mentioned double damping helicoid hydraulic motor, in horizontal well, inclined shaft and service shaft during drilling, if clashing into casing wall,
Wiper block forced compression with buffer air bag, buffer air bag plays shock absorbing effect, fittings body feed liquor simultaneously to wiper block
Liquid in passage can enter in mounting groove 14 from inlet opening has squeezing action to wiper block, thus playing secondary buffer damping
Effect, is easy to helicoid hydraulic motor and removes, and protects drilling tool and sleeve pipe, when running into fish, telescoping tube can play axial buffer function,
Protection drive bearing assembly and universal axle assembly are not damaged by.
Claims (1)
1. double damping helicoid hydraulic motor, including：By-pass valve assembly（1）, and by-pass valve assembly（1）The motor assembly that lower end is connected
（2）, and motor assembly（2）The universal axle assembly that lower end is connected（3）And with universal axle assembly（3）The power transmission shaft that lower end is connected
Assembly（4）It is characterised in that：Described by-pass valve assembly（1）Upper end and described driving-shaft assembly（4）Lower end respectively pass through stretch
The draw（5）With drilling rod radial direction stabilizer joint（6）With drill bit radial direction stabilizer joint（7）It is connected, described drilling rod is radially steady
Determine device joint（6）With drill bit radial direction stabilizer joint（7）Structure identical, its structure includes：Fittings body（8）, and fittings body（8）
The axial shell being connected（9）, in described axial shell（9）Inside it is provided with and telescoping tube（5）The telescopic cavity cooperating（10）,
In axial shell（9）With telescoping tube（5）One end on be provided with installation set（11）, stretching into telescopic cavity（10）Interior telescoping tube
（5）End be provided with fixing nut（12）And sealing gasket（13）, in described fittings body（8）Middle part be provided with feed pathway
（81）, in described fittings body（8）On be provided with mounting groove（14）, in described mounting groove（14）Interior by briquetting（15）And trim ring
（16）Slip is provided with wiper block（17）, in described wiper block（17）Inner side is provided with air bag standing groove（18）, in described air bag
Standing groove（18）Inside it is provided with buffer air bag（19）, in described buffer air bag（19）Inside it is provided with air cavity（20）, in described buffering
Air bag（19）On be provided with and air cavity（20）The charging connector being connected（21）, in described wiper block（17）The fittings body of inner side（8）
On be provided with inlet opening（22）, described inlet opening（22）One end and mounting groove（14）It is interconnected, described inlet opening（22）'s
The other end and feed pathway（81）It is interconnected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620921596.3U CN205936439U (en) | 2016-08-23 | 2016-08-23 | Two shock attenuation screw rod drilling tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620921596.3U CN205936439U (en) | 2016-08-23 | 2016-08-23 | Two shock attenuation screw rod drilling tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205936439U true CN205936439U (en) | 2017-02-08 |
Family
ID=57950987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620921596.3U Expired - Fee Related CN205936439U (en) | 2016-08-23 | 2016-08-23 | Two shock attenuation screw rod drilling tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205936439U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907117A (en) * | 2017-05-10 | 2017-06-30 | 西南石油大学 | Universal wheel type near-bit stabilizer |
| CN111852383A (en) * | 2020-07-21 | 2020-10-30 | 肖云东 | Oil field downhole tool packer |
-
2016
- 2016-08-23 CN CN201620921596.3U patent/CN205936439U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907117A (en) * | 2017-05-10 | 2017-06-30 | 西南石油大学 | Universal wheel type near-bit stabilizer |
| CN106907117B (en) * | 2017-05-10 | 2018-08-03 | 西南石油大学 | Universal wheel type near-bit stabilizer |
| CN111852383A (en) * | 2020-07-21 | 2020-10-30 | 肖云东 | Oil field downhole tool packer |
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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: 20170208 Termination date: 20170823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |