CN109882089A - One kind exempting from oiling rotary connecting joint - Google Patents
One kind exempting from oiling rotary connecting joint Download PDFInfo
- Publication number
- CN109882089A CN109882089A CN201910285488.XA CN201910285488A CN109882089A CN 109882089 A CN109882089 A CN 109882089A CN 201910285488 A CN201910285488 A CN 201910285488A CN 109882089 A CN109882089 A CN 109882089A
- Authority
- CN
- China
- Prior art keywords
- socket part
- interconnecting piece
- intermediate socket
- connecting joint
- rotary connecting
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 22
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000004519 grease Substances 0.000 abstract description 24
- 239000000314 lubricant Substances 0.000 abstract description 15
- 238000005461 lubrication Methods 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 66
- 239000000945 filler Substances 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Abstract
The present invention provides one kind to exempt from oiling rotary connecting joint, including upper interconnecting piece, intermediate socket part, lower interconnecting piece, have to mention in the intermediate socket part and draws chamber, the lower interconnecting piece and the intermediate socket part connect, the upper interconnecting piece includes connection pedestal and central axis, the central axis be located at it is described mention draw it is intracavitary, bearing group is set on the central axis, inner frame oil sealing is installed between the intermediate socket part upper end inner wall and the jackshaft, outer-frame oil seal is installed between the intermediate socket part upper end outer wall and the connection pedestal, the position that the connection pedestal corresponds to the intermediate socket part top is provided with oil storage room.Two oil storage rooms are devised, lower oil storage room guarantees bearing group lubrication, the expansion space of the raised lubricant grease of temperature when can reserve work；The lubricant grease of upper oil storage room lubricates outer-frame oil seal, reduces leakage, lubricates inner frame oil sealing, avoids that lower oil storage room oil level is low cannot to lubricate inner frame oil sealing, increases service life.
Description
Technical field
The present invention relates to rotary drilling rigs to exempt from oiling rotary connecting joint with rotary connecting joint technical field more particularly to one kind.
Background technique
Rotary drilling rig is one of widely used equipment in rotary drilling rig field with rotary connecting joint, belongs to rotary drilling rig
There is the particular component required compared with high safety reliability in use process.Now on the market there are two types of common rotary connecting joints.
As shown in Figure 1, the first is including upper interconnecting piece 11, intermediate socket part 15, lower interconnecting piece 17, has in intermediate socket part 15
It mentioning and draws chamber, intermediate socket part 15 is threadedly coupled with upper interconnecting piece 11, and lower interconnecting piece 17 includes the pedestal and central axis of integrally connected, in
Mandrel, which is located to mention, draws intracavitary, and central axis is located to mention and draws intracavitary one end and be equipped with nut 13, and nut 13 and bottom are located on central axis
Position between seat is set with several angular contact ball bearings 14, is provided with in-seam between the lower end and jackshaft of intermediate socket part 15
Frame oil sealing 16, upper interconnecting piece 11 is interior to be had and mentions the shoe cream room 12 for drawing chamber and being connected to.The structure has the disadvantage that 1, using multiple angles
Contact ball bearing is used in series, and the single carrying of pulling force superposition is too small, a damage will lead to entirely can not normal use, use the longevity
Life it is difficult to ensure that；2, bearing string is too many, and oil storage space is too small to be unfavorable for bearing lubrication, need to often add grease；3, bearing is too
The grease that mostly viscosity can only be selected low, temperature raising makes grease become diluter when work, and grease is easy inner frame oil sealing from below
Place's leakage, it is necessary to often add lubricant grease.
Second as shown in Fig. 2, improved on the basis of the first, central axis and upper interconnecting piece 21 are integrally formed,
Lower interconnecting piece 27 is threadedly coupled with intermediate socket part 25, and central axis, which is located to mention, to be drawn intracavitary, and central axis is located to mention and draws intracavitary one end and pacify
Equipped with nut 26, the position on central axis between nut 26 and upper interconnecting piece pedestal is set with several angular contact ball bearings
24, it is provided with inner frame oil sealing 22 between the upper end and jackshaft of intermediate socket part 25, has in lower interconnecting piece 27 and draw chamber and connect with mentioning
Logical shoe cream room 23.The structure is compared compared with the first structure, and 22 position of inner frame oil sealing is adjusted to upper end, makes grease leakage
Situation is improved, and adds that lubricant grease number is opposite to be reduced, but there is still a need for often adding lubricant grease, and the structure just like
Lower disadvantage: 1, being used in series using multiple angular contact ball bearings, and the single carrying of pulling force superposition is too small, and a damage will lead to entire
Can not normal use, service life it is difficult to ensure that；2, bearing string is too many, and oil storage space is too small to be unfavorable for bearing lubrication, need through
Often add grease；3, grease additive amount need to be precisely controlled, and temperature increases when work, and grease expansion must have sufficient space, in-seam
Frame oil sealing is on top, it cannot be guaranteed that sufficient lubrication, service life is impacted；4, silt is in gravity when inner frame oil sealing works up
Under the action of be adsorbed between inner frame oil sealing and central axis and rub, so that axis is not durable with sealing ring, influence service life.
Summary of the invention
Place in view of the deficiency of the prior art, the present invention provides one kind to exempt from oiling rotary connecting joint, to solve
The problem of often adding lubricant grease is needed in the prior art.
The present invention provides one kind to exempt from oiling rotary connecting joint, including upper interconnecting piece, intermediate socket part, lower interconnecting piece, described
Have to mention in intermediate socket part and draw chamber, the lower interconnecting piece and the intermediate socket part connect, and the upper interconnecting piece includes connection pedestal
With central axis, the central axis is located at described mention and draws intracavitary, and bearing group, the intermediate socket part upper end are set on the central axis
It is installed with inner frame oil sealing between inner wall and the jackshaft, is filled between the intermediate socket part upper end outer wall and the connection pedestal
Equipped with outer-frame oil seal, the position that the connection pedestal corresponds to the intermediate socket part top is provided with oil storage room.
Further, the central axis is located at described mention and draws intracavitary one end and be equipped with nut, and the bearing group is set in
Position between the central axis top nut and inner frame oil sealing.
Further, the bearing group includes the self-aligning thrust roller bearing set gradually from bottom to up, several zanjons
Ball bearing.
Further, the number of deep groove ball bearing is 1~4.
Further, angular contact ball bearing is additionally provided with above several described deep groove ball bearings.
Further, the bearing group includes several angular contact ball bearings set gradually from bottom to up.
Further, location hole is provided on the nut, screw passes through the location hole and nut is fixed on central axis
On.
Further, lower oil storage room is equipped in the lower interconnecting piece upper end, the lower oil storage room draws chamber and be connected to described mention.
Further, the upper interconnecting piece and intermediate socket part installation gap position are lower than the position of the outer-frame oil seal.
Further, the upper interconnecting piece and intermediate socket part installation gap are in step.
Compared with prior art, the invention has the following beneficial effects:
1, two oil storage rooms are devised, lower oil storage room guarantees bearing group lubrication, temperature raised profit when can reserve work
The expansion space of lubricating oil rouge can fill the low lubricant grease of viscosity to reduce resistance when bearing group work；Upper oil storage room adds
The relatively large lubricant grease of viscosity is infused, outer-frame oil seal is lubricated, increases service life, reduces leakage, inner frame oil sealing is lubricated, keeps away
Exempt from that lower oil storage room oil level is low cannot to lubricate inner frame oil sealing, has increased service life；
2, outer-frame oil seal is installed downwards, and the upper interconnecting piece and intermediate socket part installation gap position are lower than the outer skeleton
The position of oil sealing overcomes silt and is adsorbed on the friction generated on outer-frame oil seal due to gravity, is allowed to longer life expectancy, in addition
The upper indoor lubricant grease position of oil storage is higher than outer-frame oil seal, is adequately lubricated by gravity outer-frame oil seal,
And have certain cleaning action to booties such as silts inside and outside outer-frame oil seal circle, it ensure that service life；
3, it only uses a self-aligning thrust roller bearing and bears pulling force, optimize structure, not the superposition of power, service life
Increase.
Detailed description of the invention
Fig. 1 is a kind of technical solution structural schematic diagram in the prior art；
Fig. 2 is another technical solution structural schematic diagram in the prior art；
Fig. 3 is the structural schematic diagram of rotary joint provided by the invention.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, exempt from oiling rotary connecting joint the invention discloses one kind, including upper interconnecting piece 31, intermediate socket part 37,
Lower interconnecting piece 311 has to mention in the intermediate socket part 37 and draws chamber, and the lower interconnecting piece 311 is connect with the intermediate socket part 37, is had
It when body is implemented, can be connected through a screw thread, the upper interconnecting piece 31 includes connection pedestal 314 and central axis 313, the central axis
313, which are located at described mention, draws intracavitary, is set with bearing group on the central axis 313, the intermediate 37 upper end inner wall of socket part with it is described
It is installed with inner frame oil sealing 33 between jackshaft 313, is filled between the intermediate 37 upper end outer wall of socket part and the connection pedestal 314
Equipped with outer-frame oil seal 34, the position on corresponding intermediate 37 top of socket part of connection pedestal 314 is provided with oil storage room 32.
Draw intracavitary one end specifically, the central axis 313 is located at described mention nut 310, the bearing group set are installed
Loaded on the position between 313 top nut of central axis and inner frame oil sealing 33.In the present embodiment, it is arranged on the nut 310
There is location hole, screw passes through the location hole and nut 310 is fixed on central axis 313, to prevent nut 310 in the course of work
Reversion.
In the present embodiment, the bearing group include the self-aligning thrust roller bearing 38 set gradually from bottom to up, several
Deep groove ball bearing 36.The number of deep groove ball bearing 36 can be 1~4, and in the present embodiment, the number of deep groove ball bearing 36 is preferred
Two, and it is spaced apart between two deep groove ball bearings 36, enhance stability.Self-aligning thrust roller bearing 38 bears all
Pulling force, deep groove ball bearing 36 be used for steady propulsion self-aligning roller bearing 38, prevent self-aligning thrust roller bearing 38 swing.
Preferably, it is additionally provided with angular contact ball bearing 35 above several described deep groove ball bearings 36, the angular contact ball axis
It holds 35 and plays the role of positioning.
Certainly, in other embodiments, the corner connection set gradually from bottom to up including several may be selected in the bearing group
Touch ball bearing.
In the present embodiment, lower oil storage room 39 is equipped in lower 311 upper end of interconnecting piece, the lower oil storage room 39 is mentioned with described
Draw chamber connection.Two oil storage rooms are devised, lower oil storage room 39 guarantees bearing group lubrication, temperature raised profit when can reserve work
The expansion space of lubricating oil rouge can fill the low lubricant grease of viscosity to reduce resistance when bearing group work；Upper oil storage room 32
The relatively large lubricant grease of viscosity is filled, upper 32 lubricant grease of oil storage room is higher than outer-frame oil seal 34 and inner frame oil at work
The position of envelope 33 forms the internal outer-frame oil seal 34 of pressure difference by the Gravitative Loads of grease and carries out sufficient lubrication, lubricates outer skeleton oil
Envelope 34, increase service life, reduce leakage, lubricate inner frame oil sealing 33, avoid lower 39 oil level of oil storage room it is low cannot lubricate in
Outside framework oil seal 33, increases service life.Because upper oil storage room 34 has certain capacity, satisfactory lubricating oil when factory
Rouge is filled it up with, and there is no need to fill lubricant grease during certain work, has reached the function and effect for exempting to fill lubricant grease
Fruit further includes certainly the oil filler point being connected to upper oil storage room and the oil filler point that is connected to lower oil storage room, but oil filler point is not this hair
Bright designing points, therefore be not shown in the figure.When it is implemented, the oil filler point being connected to upper oil storage room may be disposed at connection pedestal
Interior, the oil filler point being connected to lower oil storage room may be disposed in lower interconnecting piece.
In the present embodiment, the upper interconnecting piece 31 installs 312 position of gap lower than the outer skeleton oil with intermediate socket part 37
The position of envelope 34.It overcomes silt and is adsorbed on the friction generated on outer-frame oil seal 34 due to gravity, be allowed to longer life expectancy, add
On lubricant grease position in oil storage room 32 be higher than outer-frame oil seal 34, obtained sufficiently by gravity outer-frame oil seal 34
Lubrication, and enclose the booties such as inside and outside silt to outer-frame oil seal 34 and have certain cleaning action, ensure that service life.Into one
Step, it is in step that the upper interconnecting piece 31, which installs gap 312 with intermediate socket part 37, can prevent the booties such as silt from entering outer skeleton
At oil sealing 34.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. one kind exempts from oiling rotary connecting joint, including upper interconnecting piece, intermediate socket part, lower interconnecting piece, have in the intermediate socket part
Mention and draw chamber, the lower interconnecting piece and the intermediate socket part connect, and the upper interconnecting piece includes connection pedestal and central axis, it is described in
Mandrel is located at described mention and draws intracavitary, is set with bearing group on the central axis, it is characterised in that: the intermediate socket part upper end inner wall
It is installed with inner frame oil sealing between the jackshaft, is installed between the intermediate socket part upper end outer wall and the connection pedestal
Outer-frame oil seal, the position that the connection pedestal corresponds to the intermediate socket part top are provided with oil storage room.
2. according to claim 1 exempt from oiling rotary connecting joint, it is characterised in that: the central axis is located at described mention and draws chamber
Interior one end is equipped with nut, and the bearing group is set in the position between the central axis top nut and inner frame oil sealing.
3. according to claim 2 exempt from oiling rotary connecting joint, it is characterised in that: the bearing group include from bottom to up according to
The self-aligning thrust roller bearing of secondary setting, several deep groove ball bearings.
4. according to claim 3 exempt from oiling rotary connecting joint, it is characterised in that: the number of deep groove ball bearing is 1~4
It is a.
5. according to claim 3 exempt from oiling rotary connecting joint, it is characterised in that: above several described deep groove ball bearings
It is additionally provided with angular contact ball bearing.
6. according to claim 2 exempt from oiling rotary connecting joint, it is characterised in that: the bearing group includes several under
The supreme angular contact ball bearing set gradually.
7. according to claim 1 exempt from oiling rotary connecting joint, it is characterised in that: it is provided with location hole on the nut,
Screw passes through the location hole and nut is fixed on central axis.
8. according to claim 1 exempt from oiling rotary connecting joint, it is characterised in that: be equipped with down in the lower interconnecting piece upper end
Oil storage room, the lower oil storage room draw chamber and are connected to described mention.
9. according to claim 1 exempt from oiling rotary connecting joint, it is characterised in that: the upper interconnecting piece and intermediate socket part are pacified
Fill the position that gap position is lower than the outer-frame oil seal.
10. according to claim 9 exempt from oiling rotary connecting joint, it is characterised in that: the upper interconnecting piece and intermediate socket part
Installing gap is in step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910285488.XA CN109882089B (en) | 2019-04-10 | 2019-04-10 | Oiling-free rotary connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910285488.XA CN109882089B (en) | 2019-04-10 | 2019-04-10 | Oiling-free rotary connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109882089A true CN109882089A (en) | 2019-06-14 |
| CN109882089B CN109882089B (en) | 2024-04-12 |
Family
ID=66936976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910285488.XA Active CN109882089B (en) | 2019-04-10 | 2019-04-10 | Oiling-free rotary connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109882089B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5607257A (en) * | 1994-01-11 | 1997-03-04 | Brewis; Roderick C. | Drilling apparatus |
| JP2002021461A (en) * | 2000-07-12 | 2002-01-23 | Nittoc Constr Co Ltd | Swivel for double-pipe excavator |
| CN201292781Y (en) * | 2008-11-20 | 2009-08-19 | 常琦 | Pressure equilibrium elevator for rotary dugging drill |
| CN201924844U (en) * | 2010-12-13 | 2011-08-10 | 福田雷沃国际重工股份有限公司 | Drill rod elevator of rotary drilling rig |
| CN202578571U (en) * | 2012-05-24 | 2012-12-05 | 福田雷沃国际重工股份有限公司 | Drill stem elevator for anti-slurry rotary drilling rig |
| CN209875075U (en) * | 2019-04-10 | 2019-12-31 | 聂伟荣 | Oiling-free rotary connector |
-
2019
- 2019-04-10 CN CN201910285488.XA patent/CN109882089B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5607257A (en) * | 1994-01-11 | 1997-03-04 | Brewis; Roderick C. | Drilling apparatus |
| JP2002021461A (en) * | 2000-07-12 | 2002-01-23 | Nittoc Constr Co Ltd | Swivel for double-pipe excavator |
| CN201292781Y (en) * | 2008-11-20 | 2009-08-19 | 常琦 | Pressure equilibrium elevator for rotary dugging drill |
| CN201924844U (en) * | 2010-12-13 | 2011-08-10 | 福田雷沃国际重工股份有限公司 | Drill rod elevator of rotary drilling rig |
| CN202578571U (en) * | 2012-05-24 | 2012-12-05 | 福田雷沃国际重工股份有限公司 | Drill stem elevator for anti-slurry rotary drilling rig |
| CN209875075U (en) * | 2019-04-10 | 2019-12-31 | 聂伟荣 | Oiling-free rotary connector |
Non-Patent Citations (1)
| Title |
|---|
| 湛良传;刘文彬;饶治国;: "旋挖钻机主卷扬卷筒的排绳布局", 工程机械与维修, no. 03, pages 80 - 82 * |
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| Publication number | Publication date |
|---|---|
| CN109882089B (en) | 2024-04-12 |
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| PB01 | Publication | ||
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210331 Address after: Room 311, complex building 8, Changsha blue Real Estate Co., Ltd., No.18, south section of East 11th Road, Changsha area, China (Hunan) pilot Free Trade Zone, Changsha City, Hunan Province, 410100 Applicant after: Hunan Shengshitong Technology Co.,Ltd. Address before: 410100 Xingsha Dongsan road Xingfu Lirun City, Changsha City, Hunan Province Applicant before: Nie Weirong |
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| GR01 | Patent grant |