CN104499957A - Universal joint for screw drilling tools - Google Patents
Universal joint for screw drilling tools Download PDFInfo
- Publication number
- CN104499957A CN104499957A CN201410786387.8A CN201410786387A CN104499957A CN 104499957 A CN104499957 A CN 104499957A CN 201410786387 A CN201410786387 A CN 201410786387A CN 104499957 A CN104499957 A CN 104499957A
- Authority
- CN
- China
- Prior art keywords
- universal joint
- connecting rod
- joint
- moment
- hydraulic motor
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 title abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 241000309551 Arthraxon hispidus Species 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 3
- 239000000945 filler Substances 0.000 claims description 8
- 238000005255 carburizing Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 6
- 238000010791 quenching Methods 0.000 claims description 6
- 230000000171 quenching effect Effects 0.000 claims description 6
- 230000001174 ascending effect Effects 0.000 claims description 3
- 210000004907 gland Anatomy 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/05—Swivel joints
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to a universal joint for screw drilling tools. The universal joint comprises two identical universal joint head structures and a middle connecting rod. Connecting effects can be realized by the connecting rod, the two identical universal joint head structures are symmetrically arranged at two ends of the connecting rod, and torque and rotation speeds which are transmitted from threads of a connector of the left universal joint head structure can be transmitted to the connecting rod via a torque block and then can be transmitted to threads of a connector of the right universal joint head structures by the connecting rod, so that the torque and the rotation speeds can be transmitted, torque blocks can rotate in side holes of the connecting rod, and the connecting rod can swing around steel balls at certain angles. The universal joint has the advantages that the torque blocks can be assuredly matched with grooves of the connectors in a surface contact manner, the torque can be transmitted by the aid of surface contact, and accordingly the problem of collapse of components can be effectively solved; the torque blocks can be replaced after being abraded, accordingly, the universal joint replacing expenditure can be lowered when the screw drilling tools are maintained, the production cost can be reduced for enterprises, and economic benefits can be increased.
Description
Technical field
The invention belongs to oil drilling tools and manufacture field, be specifically related to a kind of helicoid hydraulic motor universal joint.
Background technology
Universal joint is parts in helicoid hydraulic motor.Conventional universal joint has petal type and ball-and-socket hinge style two kinds, and petal universal joint is by petal design transmitting torque, and this kind of structure petal root is comparatively large by moment of flexure, easily from petal fracture of root; Ball hinged universal joint relies on steel ball transmitting torque, because steel ball and overcoat are point cantact, easily occurs that steel ball squeezes the phenomenon of ruining overcoat or steel ball breakage.
Summary of the invention
Technical problem to be solved by this invention overcomes above-mentioned deficiency, provides a kind of helicoid hydraulic motor universal joint, and this universal joint carries out moment of torsion transmission by face contact, efficiently solves the squeezed problem of ruining of part.
Technical scheme of the present invention: a kind of helicoid hydraulic motor universal joint, comprise the connecting rod that connection function is played in two identical universal joint head constructions and centre, two identical universal joint head symmetrical configuration are arranged on the two ends of connecting rod, and described universal joint head construction comprises joint, ball seat, steel ball, slips; One end of described joint is provided with external screw thread, other end is provided with the coaxial blind round hole of three sections of ascending, different inner diameters from the inside to the outside successively, ball seat is located in the blind round hole of minimum diameter, described ball seat is provided with hemispherical dimples, steel ball to be located on ball seat and to match with the hemispherical dimples on ball seat, the inwall of joint interlude blind round hole is circumferentially evenly provided with three grooves, slips is located on the step end face of joint interlude blind hole, the outer wall of described joint is provided with the oil filler point be connected with blind hole, and oil filler point is provided with screw; The end face at described connecting rod two ends is respectively equipped with hemispherical dimples, the hemispherical dimples at connecting rod two ends matches with the steel ball be located in joint, the cylindrical of connecting rod is evenly provided with the moment of torsion block corresponding with described groove number, the fit depressions of described moment of torsion block and joint interlude blind round hole inwall, described connecting rod is also arranged with rubber sleeve, one end of described rubber sleeve is compressed by slips and gland, and the other end is fixed on connecting rod by clip.
The cross sectional shape of described moment of torsion block is in " T " font.
Hemispherical dimples in hemispherical dimples on described ball seat, steel ball, connecting rod both ends of the surface is through carburizing and quenching or Nitrizing Treatment.
The fitting face carburizing and quenching of described moment of torsion block and described fit depressions or Nitrizing Treatment.
Described oil filler point to be located on joint and to be connected with joint interlude blind round hole.
Described moment of torsion block drivening rod under the effect of joint rotates.
Described connecting rod can swing around steel ball.
The present invention compared with prior art has following beneficial effect: the moment of torsion that the joint screw thread of the left side of the present invention universal joint passes over and rotating speed are delivered to connecting rod by moment of torsion block, be delivered to the screw thread of the universal joint head electrical connection on the right again through connecting rod, realize moment of torsion and rotating speed transmission.Moment of torsion block can rotate in the side opening of connecting rod, connecting rod can carry out the swing of certain angle around steel ball, guarantee that moment of torsion block and the groove of joint are that face contacts and coordinates, contact transmitting torque by face, efficiently solve the squeezed problem of ruining of part, extend its application life., can change after the wearing and tearing of moment of torsion block meanwhile, change the expense of universal joint when reducing maintenance helicoid hydraulic motor, reduce the cost of production of enterprise, improve economic benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is that Fig. 1 is along A-A line cross sectional view.
In figure: 1-joint, 2-ball seat, 3-moment of torsion block, 4-steel ball, 5-slips, 6-gland, 7-rubber sleeve, 8-clip, 9-connecting rod, 10-screw.
Detailed description of the invention
Below in conjunction with Figure of description, the present invention is further illustrated:
A kind of helicoid hydraulic motor universal joint, comprises the two ends that the identical universal joint head symmetrical configuration of 9, two, connecting rod two identical universal joint head constructions and centre playing connection function is arranged on connecting rod 9.As shown in Figure 1 and Figure 2, described universal joint head construction comprises joint 1, ball seat 2, steel ball 4, slips 5; One end of described joint 1 is provided with external screw thread, other end is provided with the coaxial blind round hole of three sections of ascending, different inner diameters from the inside to the outside successively, ball seat 2 is located in the blind round hole of minimum diameter, described ball seat 2 is provided with hemispherical dimples, steel ball 4 to be located on ball seat 2 and to match with the hemispherical dimples on ball seat 2, the inwall of joint 1 interlude blind round hole is circumferentially evenly provided with three grooves, slips 5 is located on the step end face of joint 1 interlude blind hole, the outer wall of described joint 1 is provided with the oil filler point be connected with blind hole, and oil filler point is provided with screw 10.The end face at described connecting rod 9 two ends is respectively equipped with hemispherical dimples, and the hemispherical dimples at connecting rod two ends matches with the steel ball 4 be located in joint 1.The cylindrical of connecting rod 9 is evenly provided with the moment of torsion block 3 corresponding with described groove number, the cross sectional shape of described moment of torsion block 3 is in " T " font, the fit depressions of described moment of torsion block 3 and joint 1 interlude blind round hole inwall, the fitting face carburizing and quenching of described moment of torsion block 3 and described fit depressions or Nitrizing Treatment.Described connecting rod 9 is also arranged with rubber sleeve 7, and one end of described rubber sleeve 7 is compressed by slips 5 and gland 6, and the other end is fixed on connecting rod 9 by clip 8.
Hemispherical dimples in hemispherical dimples on described ball seat 2, steel ball 4, connecting rod 9 both ends of the surface is through carburizing and quenching or Nitrizing Treatment.
In use procedure, the moment of torsion that joint 1 screw thread on the universal joint left side passes over and rotating speed are delivered to connecting rod 9 by moment of torsion block 3, then are delivered to the screw thread of universal joint head electrical connection 1 on the right through connecting rod 9, realize moment of torsion and rotating speed transmission.Moment of torsion block 3 can rotate in the side opening of connecting rod 9, and connecting rod 9 can carry out the swing of certain angle around steel ball 4, guarantees that moment of torsion block 3 and the groove of joint 1 are that face contacts and coordinates.
Above-described embodiment only understands the present invention for those skilled in the art, is not limitation of the present invention, all do within aim of the present invention and principle any amendment, equivalent replace and improve, all should be included within protection scope of the present invention.
Claims (7)
1. helicoid hydraulic motor universal joint, comprise the connecting rod that connection function is played in two identical universal joint head constructions and centre, two identical universal joint head symmetrical configuration are arranged on the two ends of connecting rod, it is characterized in that described universal joint head construction comprises joint, ball seat, steel ball, slips; One end of described joint is provided with external screw thread, other end is provided with the coaxial blind round hole of three sections of ascending, different inner diameters from the inside to the outside successively, ball seat is located in the blind round hole of minimum diameter, described ball seat is provided with hemispherical dimples, steel ball to be located on ball seat and to match with the hemispherical dimples on ball seat, the inwall of joint interlude blind round hole is circumferentially evenly provided with three grooves, slips is located on the step end face of joint interlude blind hole, the outer wall of described joint is provided with the oil filler point be connected with blind hole, and oil filler point is provided with screw; The end face at described connecting rod two ends is respectively equipped with hemispherical dimples, the hemispherical dimples at connecting rod two ends matches with the steel ball be located in joint, the cylindrical of connecting rod is evenly provided with the moment of torsion block corresponding with described groove number, the fit depressions of described moment of torsion block and joint interlude blind round hole inwall, described connecting rod is also arranged with rubber sleeve, one end of described rubber sleeve is compressed by slips and gland, and the other end is fixed on connecting rod by clip.
2. helicoid hydraulic motor universal joint according to claim 1, is characterized in that the cross sectional shape of described moment of torsion block is in " T " font.
3. helicoid hydraulic motor universal joint according to claim 1, is characterized in that hemispherical dimples in the hemispherical dimples on described ball seat, steel ball, connecting rod both ends of the surface is through carburizing and quenching or Nitrizing Treatment.
4. the helicoid hydraulic motor universal joint according to any one of claims 1 to 3, is characterized in that fitting face carburizing and quenching or the Nitrizing Treatment of described moment of torsion block and described fit depressions.
5. helicoid hydraulic motor universal joint according to claim 1, is characterized in that described oil filler point to be located on joint and to be connected with joint interlude blind round hole.
6. screw drill according to claim 1 uses universal joint, it is characterized in that described moment of torsion block drivening rod under the effect of joint rotates.
7. the helicoid hydraulic motor universal joint according to claim 1,2,3,5 or 6, is characterized in that described connecting rod can swing around steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410786387.8A CN104499957A (en) | 2014-12-18 | 2014-12-18 | Universal joint for screw drilling tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410786387.8A CN104499957A (en) | 2014-12-18 | 2014-12-18 | Universal joint for screw drilling tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104499957A true CN104499957A (en) | 2015-04-08 |
Family
ID=52941398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410786387.8A Pending CN104499957A (en) | 2014-12-18 | 2014-12-18 | Universal joint for screw drilling tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104499957A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108639669A (en) * | 2018-07-25 | 2018-10-12 | 宁夏国励汽车动力科技有限公司 | Fastening type directive wheel |
| US10711521B2 (en) | 2017-05-01 | 2020-07-14 | Vermeer Manufacturing Company | Dual rod directional drilling system |
| US11149501B2 (en) | 2019-03-14 | 2021-10-19 | Vermeer Manufacturing Company | Rod coupler and coupled rod assembly |
| US11180962B2 (en) | 2018-11-26 | 2021-11-23 | Vermeer Manufacturing Company | Dual rod directional drilling system |
| CN113700758A (en) * | 2020-05-07 | 2021-11-26 | 中国石油天然气集团有限公司 | Universal joint |
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|---|---|---|---|---|
| US4772246A (en) * | 1986-10-11 | 1988-09-20 | Wenzel Kenneth H | Downhole motor drive shaft universal joint assembly |
| WO2003080989A1 (en) * | 2002-03-20 | 2003-10-02 | Weatherford/Lamb, Inc. | Downhole universal joint assembly |
| CN2695691Y (en) * | 2004-04-19 | 2005-04-27 | 西安海兴曲杆泵业工程有限公司 | Link structure of high-pressure, large flow single screw pump |
| CN201461762U (en) * | 2009-05-31 | 2010-05-12 | 段晋蓉 | Oil-seal universal joint |
| CN201475187U (en) * | 2009-09-01 | 2010-05-19 | 江汉石油钻头股份有限公司 | Sealed universal shaft |
| CN201507567U (en) * | 2009-10-20 | 2010-06-16 | 江汉石油钻头股份有限公司 | Spline-type universal shaft |
| CN201567971U (en) * | 2009-12-01 | 2010-09-01 | 辽河石油勘探局 | Novel universal shaft for screw drilling tool |
| CN202483467U (en) * | 2012-01-06 | 2012-10-10 | 胜利油田胜机石油装备有限公司 | Cardan shaft of spherical hinge positive displacement motor |
| CN103216539A (en) * | 2012-06-20 | 2013-07-24 | 襄阳宇清传动科技有限公司 | Ball cage coupling for screw pump of oil delivery pipe |
| US20130288810A1 (en) * | 2012-04-29 | 2013-10-31 | Cathedral Energy Services Ltd. | Universal Joint for a Downhole Drilling Motor |
| CN203515360U (en) * | 2013-09-17 | 2014-04-02 | 天津大学 | Universal joint for rotary steering drilling |
| CN103883246A (en) * | 2014-03-31 | 2014-06-25 | 青岛金江源工贸有限公司 | Efficient positive displacement motor drill under well |
| CN204402387U (en) * | 2014-12-18 | 2015-06-17 | 山西风雷钻具有限公司 | Helicoid hydraulic motor universal joint |
-
2014
- 2014-12-18 CN CN201410786387.8A patent/CN104499957A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4772246A (en) * | 1986-10-11 | 1988-09-20 | Wenzel Kenneth H | Downhole motor drive shaft universal joint assembly |
| WO2003080989A1 (en) * | 2002-03-20 | 2003-10-02 | Weatherford/Lamb, Inc. | Downhole universal joint assembly |
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| CN201461762U (en) * | 2009-05-31 | 2010-05-12 | 段晋蓉 | Oil-seal universal joint |
| CN201475187U (en) * | 2009-09-01 | 2010-05-19 | 江汉石油钻头股份有限公司 | Sealed universal shaft |
| CN201507567U (en) * | 2009-10-20 | 2010-06-16 | 江汉石油钻头股份有限公司 | Spline-type universal shaft |
| CN201567971U (en) * | 2009-12-01 | 2010-09-01 | 辽河石油勘探局 | Novel universal shaft for screw drilling tool |
| CN202483467U (en) * | 2012-01-06 | 2012-10-10 | 胜利油田胜机石油装备有限公司 | Cardan shaft of spherical hinge positive displacement motor |
| US20130288810A1 (en) * | 2012-04-29 | 2013-10-31 | Cathedral Energy Services Ltd. | Universal Joint for a Downhole Drilling Motor |
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| CN203515360U (en) * | 2013-09-17 | 2014-04-02 | 天津大学 | Universal joint for rotary steering drilling |
| CN103883246A (en) * | 2014-03-31 | 2014-06-25 | 青岛金江源工贸有限公司 | Efficient positive displacement motor drill under well |
| CN204402387U (en) * | 2014-12-18 | 2015-06-17 | 山西风雷钻具有限公司 | Helicoid hydraulic motor universal joint |
Non-Patent Citations (1)
| Title |
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| 王强等: "螺杆钻具新型万向轴的结构设计", 《石油机械》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10711521B2 (en) | 2017-05-01 | 2020-07-14 | Vermeer Manufacturing Company | Dual rod directional drilling system |
| US10711520B2 (en) | 2017-05-01 | 2020-07-14 | Vermeer Manufacturing Company | Dual rod directional drilling system |
| US10851588B2 (en) | 2017-05-01 | 2020-12-01 | Vermeer Manufacturing Company | Dual rod directional drilling system |
| US10961779B2 (en) | 2017-05-01 | 2021-03-30 | Vermeer Manufacturing Company | Dual rod directional drilling system |
| US11098530B2 (en) | 2017-05-01 | 2021-08-24 | Vermeer Manufacturing Company | Dual rod directional drilling system |
| US11808151B2 (en) | 2017-05-01 | 2023-11-07 | Vermeer Manufacturing Company | Dual rod directional drilling system |
| CN108639669A (en) * | 2018-07-25 | 2018-10-12 | 宁夏国励汽车动力科技有限公司 | Fastening type directive wheel |
| US11180962B2 (en) | 2018-11-26 | 2021-11-23 | Vermeer Manufacturing Company | Dual rod directional drilling system |
| US11149501B2 (en) | 2019-03-14 | 2021-10-19 | Vermeer Manufacturing Company | Rod coupler and coupled rod assembly |
| CN113700758A (en) * | 2020-05-07 | 2021-11-26 | 中国石油天然气集团有限公司 | Universal joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150408 |
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| RJ01 | Rejection of invention patent application after publication |