CN104879071A - Rotating-rod connector - Google Patents
Rotating-rod connector Download PDFInfo
- Publication number
- CN104879071A CN104879071A CN201510311656.XA CN201510311656A CN104879071A CN 104879071 A CN104879071 A CN 104879071A CN 201510311656 A CN201510311656 A CN 201510311656A CN 104879071 A CN104879071 A CN 104879071A
- Authority
- CN
- China
- Prior art keywords
- swingle
- clamp nut
- connector according
- connecting hole
- joint pin
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims description 16
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 18
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000004804 winding 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
- E21B17/042—Threaded
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)
- Mutual Connection Of Rods And Tubes (AREA)
- Clamps And Clips (AREA)
Abstract
The invention belongs to the technical field of connectors, relates to a rotating-rod connector and solves technical problems that an existing technology is complex in structure and unreliable in connection. The rotating-rod connector comprises a first rotating rod and a second rotating rod which are in clamping match, the first rotating rod is sleeved with a fastening nut with an internal thread, an external thread is arranged at one end of the second rotating rod, the internal thread is matched with the external thread, and when the first rotating rod and the second rotating rod move to directions away from each other, the first rotating rod can be attached to the fastening nut to drive the fastening nut to rotate along the direction to be tightly screwed with the second rotating rod. The rotating-rod connector is simple in structure and convenient and reliable to connect, and the self-fixing effect is achieved.
Description
Technical field
The invention belongs to connector technical field, relate to a kind of swingle connector, be applicable to need to carry out connection and lengthen and the operation carrying out rotary work.
Background technology
Swingle refers to the strip straight-bar needing to carry out rotary operation in the course of the work, such as oil exploration industry, building trade, natural gas extraction industry, in mineral industry in various degree all need use above-mentioned swingle, when swingle is vertical operation, be usually referred to as drilling rod, because same drilling rod cannot arrive the degree of depth of needs, therefore need different drilling rods to carry out connection function.The drilling rod of prior art connects employing usually and is threaded, and considers that connection of thread is the weakest place, can carry out thickening or honesty in junction, this connected mode can improve certain intensity, but when drilling rod carries out multistage connection, often bend in junction, influence.In order to change this situation, people adopt the mode of clamping to connect drilling rod, and in access section anchor ear fastening raising clamping intensity, and object is that junction can not depart from order to when the rotating and reverse of drilling rod.But because the two piece drilling rods of anchor ear with junction rotate simultaneously, great shearing force is produced to anchor ear, easily makes anchor ear impaired during Long-Time Service, thus drilling rod is departed from.
People are through constantly exploring, propose various solution, as Chinese patent literature discloses a kind of drilling rod connector [notification number: CN 203035110 U], comprise connecting axle and terminal pad, described connecting axle and terminal pad center all have through hole, described connecting axle lower end is connected with installation shaft, installation shaft is provided with the keyway of spill bottom at periphery place, described terminal pad is provided with the convex key structure matched with keyway in through hole, and described connecting axle and terminal pad connect into overall structure by keyway and convex key respective outer side edges.
The guidance quality of such scheme is good and well can protect drilling rod.In use, connecting axle and terminal pad are fitted to each other by keyway arrangements and are connected, dog screw incites somebody to action the two axial restraint through positioning screw hole and tapped through hole, connecting axle upper end is fixedly connected with drilling rod drive mechanism, drilling rod is through the through hole in connecting axle and terminal pad, a drilling rod part matches with the structure in terminal pad through hole, and drilling rod appropriate section is fixed to clamp by clamping device after coordinating with terminal pad through hole inner structure, and such drilling rod is rotation work under the drive of connecting axle and terminal pad just.We can know thus, drilling rod could need realize connecting with by clamping device, therefore have inconvenience when reality uses, be not suitable for applying.
Summary of the invention
The object of the invention is for the problems referred to above, provide a kind of structure simple, connect reliable swingle connector.
For achieving the above object, present invention employs following technical proposal: a kind of swingle connector, comprise the first swingle and the second swingle, the first described swingle and the second swingle snap-fit engagement, the first described swingle is arranged with the female clamp nut of tool, second swingle end has external screw thread, internal thread and external screw thread match, when the first swingle and the second swingle toward mutually away from direction motion time, the first described swingle can be adjacent to clamp nut thus drive clamp nut to rotate along the direction with the second swingle screw tightly.
In above-mentioned swingle connector, the first described swingle has position-limit mechanism, when clamp nut is set on the first swingle, described position-limit mechanism can stop clamp nut to depart from the first swingle, and when the first swingle and the second swingle toward mutually away from direction motion time, position-limit mechanism can compress clamp nut thus drive clamp nut to rotate along the direction with the second swingle screw tightly.
In above-mentioned swingle connector, described position-limit mechanism comprises outstanding first swingle outer wall and is circular spacing ring, the inner wall of end of described clamp nut reduces and forms ringwise locating ring, and the internal diameter of described locating ring is greater than the external diameter of the first swingle and is less than the external diameter of spacing ring.
In above-mentioned swingle connector, described locating ring and internal thread lay respectively at the two ends of clamp nut, and when clamp nut is set on the first swingle, internal thread and locating ring lay respectively at the both sides of spacing ring.
In above-mentioned swingle connector, the end of the first described swingle has the joint pin given prominence to along direction of axis line or has along the recessed connecting hole of direction of axis line, the end of the second described swingle has along the recessed connecting hole of direction of axis line or has along the outstanding joint pin of direction of axis line, the cross section of joint pin and the cross section of connecting hole are non-circular, and joint pin and connecting hole mate mutually.
In above-mentioned swingle connector, the cross section of described joint pin is triangle or polygon, and the cross section of described connecting hole is triangle or polygon.
In above-mentioned swingle connector, described joint pin and the cross section of connecting hole are the regular hexagon of coupling mutually.
In above-mentioned swingle connector, respectively there is hollow passageway in the middle of the first described swingle and the second swingle, and hollow passageway is communicated with the two ends of the first swingle and the second swingle.
In above-mentioned swingle connector, the first described swingle is also provided with one and can positions clamp nut when clamp nut is connected with the second swingle thus prevent clamp nut from departing from the locking gear of the second swingle.
In above-mentioned swingle connector, described locking gear comprises supporting traverse, described supporting traverse one end and the first swingle removably connect, the other end is hinged with a locking bar, described clamp nut top has the antiratchetting groove matched with locking bar, when locking bar is inserted in antiratchetting groove, the end of locking bar can be withstood clamp nut thus be prevented clamp nut from loosening.
In above-mentioned swingle connector, described supporting traverse is evenly arranged along the axial line circumference of the first swingle, described antiratchetting groove and supporting traverse one_to_one corresponding.
Compared with prior art, the invention has the advantages that: can prevent the junction of swingle from departing from, there is self-retaining effect, safe and reliable.
Accompanying drawing explanation
Fig. 1 is structural representation provided by the invention;
Fig. 2 is explosive view provided by the invention;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the structural representation of the second swingle;
Fig. 5 is the another kind of structural representation of the second swingle;
Fig. 6 is the another kind of structural representation of the second swingle;
Fig. 7 is the another kind of structural representation of the second swingle;
Fig. 8 is another kind of structural representation provided by the invention;
Fig. 9 is the A direction view of Fig. 8.
In figure: the first swingle 10, position-limit mechanism 11, spacing ring 12, second swingle 20, external screw thread 21, clamp nut 30, internal thread 31, locating ring 32, joint pin 41, connecting hole 42, hollow passageway 50, locking gear 60, supporting traverse 61, locking bar 62, antiratchetting groove 63, bolt 64.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of swingle connector, comprise the first swingle 10 and the second swingle 20, the first described swingle 10 and the second swingle 20 snap-fit engagement, the first described swingle 10 is arranged with the clamp nut 30 with internal thread 31, second swingle 20 end has external screw thread 21, internal thread 31 and external screw thread 21 match, when the first swingle 10 and the second swingle 20 toward mutually away from direction motion time, the first described swingle 10 can be adjacent to clamp nut 30 thus drive clamp nut 30 to rotate along the direction with the second swingle 20 screw tightly.
Operating principle of the present invention is: when the first swingle 10 and the second swingle 20 move toward direction close to each other, due to the first swingle 10 and the second swingle 20 snap-fit engagement, therefore can not mutually depart from, when the first swingle 10 and the second swingle 20 toward mutually away from direction motion time up move as the first swingle 10, and the second swingle 20 is also in original position, be synchronized with the movement to make the first swingle 10 and the second swingle 20, space or free travel can not be there is between first swingle 10 and the second swingle 20, otherwise cannot realize synchronous axial system even causes the first swingle 10 and the second swingle 20 to depart from, clamp nut 30 provided by the invention is when the first swingle 10 moves toward the direction departing from the second swingle 20, clamp nut 30 can be adjacent to the first swingle 10 and with the first swingle 10 rotating Vortex, and rotary course is the process that internal thread 31 screws tight mutually with external screw thread 21 just, in this process, clamp nut 30 and the second swingle 20 are spirally connected fixing, clamp nut 30 and the first swingle 10 are adjacent to, therefore clamp nut 30 plays function served as bridge, keep the connection of the first swingle 10 and the second swingle 20.As for the cooperation of internal thread 31, external screw thread 21 and direction of rotation, the common practise of those skilled in the art, only need operationally by mutual to the first swingle 10 and the second swingle 20 away from time direction of rotation and internal thread 31 and external screw thread 21 to screw tight direction consistent.
Specifically, first swingle 10 has position-limit mechanism 11, when clamp nut 30 is set on the first swingle 10, described position-limit mechanism 11 can stop clamp nut 30 to depart from the first swingle 10, and when the first swingle 10 and the second swingle 20 toward mutually away from direction motion time, position-limit mechanism 11 compresses clamp nut 30 thus drives clamp nut 30 to rotate along the direction with the second swingle 20 screw tightly.
In particular, position-limit mechanism 11 comprises outstanding first swingle 10 outer wall and is circular spacing ring 12, the inner wall of end of described clamp nut 30 reduces and forms ringwise locating ring 32, and the internal diameter of described locating ring 32 is greater than the external diameter of the first swingle 10 and is less than the external diameter of spacing ring 12.Obviously, spacing ring 12 also not necessarily needs annular, only needs to block locating ring 32.
Operationally, namely when clamp nut 30 is set on the first swingle 10, locating ring 32 and internal thread 31 lay respectively at the two ends of clamp nut 30, and when clamp nut 30 is set on the first swingle 10, internal thread 31 and locating ring 32 lay respectively at the both sides of spacing ring 12.
As shown in figs. 4-7, the end of the first swingle 10 has the joint pin 41 given prominence to along direction of axis line or has along the recessed connecting hole 42 of direction of axis line, the end of the second described swingle 20 has along the recessed connecting hole 42 of direction of axis line or has along the outstanding joint pin 41 of direction of axis line, shape, the size of joint pin 41 and connecting hole 42 match, and are column.The cross section of joint pin 41 and the cross section of connecting hole 42 are non-circular, that is, the center of the cross section of joint pin 41 and the cross section of connecting hole 42 is unequal to the distance at edge, and joint pin 41 and connecting hole 42 mate mutually, when joint pin 41 is inserted in connecting hole 42, joint pin 41 is with connecting hole 42 clamping thus make the first swingle 10 and the second swingle 20 snap-fit engagement and can synchronous rotary.
The cross section of joint pin 41 is triangle or polygon, and the cross section of described connecting hole 42 is triangle or polygon.For the ease of being inserted in connecting hole 42, the end of joint pin 41 is provided with chamfering.Preferred version, the cross section of joint pin 41 and connecting hole 42 is the regular hexagon of coupling mutually.
In the prior art, as drilling rod work time, when need pierce the darker degree of depth as oil exploration, piling time, need swingle to connect, in extension arm process, first swingle 10 and the second swingle 20 adopt anchor ear to be fixed usually, and to prevent two swingles from departing from, but the weak point that the mode that anchor ear connects exists is, shearing force can be formed to anchor ear in rotary course, anchor ear can be caused to break, and two swingles depart from, and cause security incident thus cause work failure.In the present invention, when the first swingle 10 is pressed on the second swingle 20, first swingle 10 is discontiguous with clamp nut 30, shearing force can not be produced, and when the first swingle 10 upwards promotes, spacing ring 12 contacts locating ring 32 thus forces clamp nut 30 to rotate, clamp nut 30 and the second swingle 20 screw tight, prevent the first swingle 10 and the second swingle 20 from departing from, thus make the first swingle 10 and the second swingle 20 Synchronous lifting, that is, clamp nut 30 plays the effect of self-retaining.
Embodiment 2
The present embodiment is substantially identical with operating principle with the structure of embodiment 1, difference is, as shown in Figure 8 and Figure 9, in the middle of the first swingle 10 and the second swingle 20, there is hollow passageway 50 respectively, and hollow passageway 50 is communicated with the two ends of the first swingle 10 and the second swingle 20.Can cement paste etc. be injected in hollow passageway 50, thus give the present invention more function, as can be made cement mixing pile when holing simultaneously.
First swingle 10 is also provided with one to position clamp nut 30 when clamp nut 30 is connected with the second swingle 20 thus prevent clamp nut 30 from departing from the locking gear 60 of the second swingle 20.
Locking gear 60 comprises supporting traverse 61, described supporting traverse 61 one end and the first swingle 10 removably connect, can at the end winding support bolt 64 of supporting traverse 61, be threaded in the first swingle 10, the other end is hinged with a locking bar 62, described clamp nut 30 top has the antiratchetting groove 63 matched with locking bar 62, and when locking bar 62 is inserted in antiratchetting groove 63, the end of locking bar 62 can be withstood clamp nut 30 thus be prevented clamp nut from loosening.
When supporting traverse 61 has multiple, supporting traverse 61 is evenly arranged along the axial line circumference of the first swingle 10, described antiratchetting groove 63 and supporting traverse 61 one_to_one corresponding.
When the first swingle 10 presses down, the screwed tight direction of clamp nut 30 is contrary with the rotation direction of the first swingle 10, therefore clamp nut 30 likely departs from the first swingle 10, in order to prevent departing from, the present embodiment devises locking gear 60, locking bar 62 is inserted in antiratchetting groove 63, can withstand clamp nut 30, also just limits the position of clamp nut 30.
The position-limit mechanism 11 of the present embodiment is also slightly different from embodiment 1, and the end of the first swingle 10 is expanded and can be blocked clamp nut 30, still adopts the structure of joint pin 41 and connecting hole 42 in the junction of the first swingle 10 and the second swingle 20.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ the terms such as the first swingle 10, position-limit mechanism 11, spacing ring 12, second swingle 20, external screw thread 21, clamp nut 30, internal thread 31, locating ring 32, joint pin 41, connecting hole 42, hollow passageway 50, locking gear 60, supporting traverse 61, locking bar 62, antiratchetting groove 63 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (10)
1. a swingle connector, comprise the first swingle (10) and the second swingle (20), it is characterized in that, described the first swingle (10) and the second swingle (20) snap-fit engagement, described the first swingle (10) is arranged with the clamp nut (30) with internal thread (31), second swingle (20) end has external screw thread (21), internal thread (31) and external screw thread (21) match, when the first swingle (10) and the second swingle (20) toward mutually away from direction motion time, described the first swingle (10) can be adjacent to clamp nut (30) thus drive clamp nut (30) to rotate along the direction with the second swingle (20) screw tightly.
2. swingle connector according to claim 1, it is characterized in that, described the first swingle (10) has position-limit mechanism (11), when clamp nut (30) is set on the first swingle (10), described position-limit mechanism (11) can stop clamp nut (30) to depart from the first swingle (10), and when the first swingle (10) and the second swingle (20) toward mutually away from direction motion time, position-limit mechanism (11) can compress clamp nut (30) thus drive clamp nut (30) to rotate along the direction with the second swingle (20) screw tightly.
3. swingle connector according to claim 2, it is characterized in that, described position-limit mechanism (11) comprises outstanding first swingle (10) outer wall and is circular spacing ring (12), the inner wall of end of described clamp nut (30) reduces and forms ringwise locating ring (32), and the internal diameter of described locating ring (32) is greater than the external diameter of the first swingle (10) and is less than the external diameter of spacing ring (12).
4. swingle connector according to claim 3, it is characterized in that, described locating ring (32) and internal thread (31) lay respectively at the two ends of clamp nut (30), when clamp nut (30) is set on the first swingle (10), internal thread (31) and locating ring (32) lay respectively at the both sides of spacing ring (12).
5. the swingle connector according to claim 1 or 2 or 3 or 4, it is characterized in that, the end of described the first swingle (10) has along the outstanding joint pin (41) of direction of axis line or has along the recessed connecting hole (42) of direction of axis line, the end of described the second swingle (20) has along the recessed connecting hole (42) of direction of axis line or has along the outstanding joint pin (41) of direction of axis line, the cross section of joint pin (41) and the cross section of connecting hole (42) are non-circular, and joint pin (41) and connecting hole (42) mate mutually.
6. swingle connector according to claim 5, is characterized in that, the cross section of described joint pin (41) is triangle or polygon, and the cross section of described connecting hole (42) is triangle or polygon.
7. the swingle connector according to claim 1-4 any one, it is characterized in that, in the middle of described the first swingle (10) and the second swingle (20), there is hollow passageway (50) respectively, and hollow passageway (50) is communicated with the two ends of the first swingle (10) and the second swingle (20).
8. the swingle connector according to claim 1-4 any one, it is characterized in that, described the first swingle (10) is also provided with one and can positions clamp nut (30) when clamp nut (30) is connected with the second swingle (20) thus prevent clamp nut (30) from departing from the locking gear (60) of the second swingle (20).
9. swingle connector according to claim 8, it is characterized in that, described locking gear (60) comprises at least one supporting traverse (61), described supporting traverse (61) one end and the first swingle (10) removably connect, the other end is hinged with a locking bar (62), described clamp nut (30) top has the antiratchetting groove (63) matched with locking bar (62), when locking bar (62) is inserted in antiratchetting groove (63), the end of locking bar (62) can be withstood clamp nut (30) thus be prevented clamp nut from loosening.
10. swingle connector according to claim 9, it is characterized in that, described supporting traverse (61) is evenly arranged along the axial line circumference of the first swingle (10), described antiratchetting groove (63) and supporting traverse (61) one_to_one corresponding.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510311656.XA CN104879071B (en) | 2015-06-09 | 2015-06-09 | Rotation joint element for bar |
| PCT/CN2016/000298 WO2016197595A1 (en) | 2015-06-09 | 2016-06-07 | Rotary rod connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510311656.XA CN104879071B (en) | 2015-06-09 | 2015-06-09 | Rotation joint element for bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104879071A true CN104879071A (en) | 2015-09-02 |
| CN104879071B CN104879071B (en) | 2017-03-08 |
Family
ID=53946722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510311656.XA Active CN104879071B (en) | 2015-06-09 | 2015-06-09 | Rotation joint element for bar |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104879071B (en) |
| WO (1) | WO2016197595A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016197595A1 (en) * | 2015-06-09 | 2016-12-15 | 周兆弟 | Rotary rod connecting piece |
| CN107299758A (en) * | 2017-07-07 | 2017-10-27 | 青岛林川工程技术咨询有限公司 | A kind of locking device of Side shuttering vertical supporting |
| CN110344988A (en) * | 2019-07-15 | 2019-10-18 | 东北师范大学 | A kind of horizontal axis tidal current energy hydraulic turbine experiment assistor and its application method |
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| CN108661572A (en) * | 2018-07-24 | 2018-10-16 | 江苏拓创科研仪器有限公司 | A kind of connection fastening type oil drill rocker |
| CN112983294A (en) * | 2019-12-13 | 2021-06-18 | 周兆弟 | Butt joint device, drill rod and pile machine |
| CN113833410B (en) * | 2021-09-10 | 2024-03-26 | 中国矿业大学 | Threaded connection type drill rod device capable of being automatically assembled and disassembled in forward and reverse rotation mode and working method |
| CN113915197A (en) * | 2021-11-11 | 2022-01-11 | 宁波雄镇科技有限公司 | Anti-loosening connecting structure for high-precision piston rod |
| CN117770909B (en) * | 2024-02-28 | 2024-05-14 | 桐庐优视医疗器械有限公司 | Easily-disassembled abdominal cavity forceps |
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| CN110344988A (en) * | 2019-07-15 | 2019-10-18 | 东北师范大学 | A kind of horizontal axis tidal current energy hydraulic turbine experiment assistor and its application method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016197595A1 (en) | 2016-12-15 |
| CN104879071B (en) | 2017-03-08 |
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