CN105736881B - Integral type rotary joint - Google Patents
Integral type rotary joint Download PDFInfo
- Publication number
- CN105736881B CN105736881B CN201610301663.6A CN201610301663A CN105736881B CN 105736881 B CN105736881 B CN 105736881B CN 201610301663 A CN201610301663 A CN 201610301663A CN 105736881 B CN105736881 B CN 105736881B
- Authority
- CN
- China
- Prior art keywords
- inner tube
- outer tube
- tube
- threeway
- sealing ring
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L39/00—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
- F16L39/06—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies of the multiline swivel type, e.g. comprising a plurality of axially mounted modules
Abstract
The invention relates to an integrated rotary joint which comprises an elbow, a tee joint, an outer pipe, an inner pipe and a part shaft, wherein the elbow is connected with the tee joint through a bolt; the one end of tee bend is located in the elbow, the three-way other end pass through the bearing rotatable with the one end of outer tube is connected, the other end of outer tube connect in the part axle, outer pipe box establishes the inner tube is outside, the outer tube pass through the backup pad with the inner tube welds formula structure as an organic whole, the one end of inner tube stretch out in the outer tube to the elbow and with the tee bend contact the other end of inner tube stretches out to the part axle in from the outer tube. The front end of the outer pipe and the tee joint are sealed through a sealing assembly. Has the advantages that: according to the invention, by using the structural form of the outer pipe, the inner pipe and the supporting plate, the sealing rings at two ends of the inner pipe are not stressed, the service life of the sealing ring is greatly prolonged, and the problem that the shaft end sealing ring is difficult to replace is solved; and the selectivity of the form of the air outlet end of the inner pipe solves the problem that the hollow cavity of the hollow shaft is divided into two paths of air to cause overlong inner pipe.
Description
Technical field
The present invention relates to a kind of integrated rotary.
Background technology
Swivel joint is a kind of connection sealing device that fluid media (medium) is input to dynamic rotary system from static system.Mesh
The preceding known secondary method forming machine swivel joint of semi-steel radial tire is by threeway, spring, spring pad, auxiliary seal ring, close
Seal ring, bearing, back-up ring, outer tube composition, require individually to be processed according to actual conditions in use inner tube carry out swivel joint,
Assembling between interior axle, axle.Continuous forward and reverse lasting use characteristic rotated with crawl requirement and two path gas transmissions of axle, certainly
Determine to need elbow and threeway transfixion in axle rotary course, to ensure that pneumatic line is not wrapped in rotation in the process of running
On joint or axle.Inner tube and the fit form of swivel joint inlet end smooth surface axis hole, make to produce friction between inner tube and threeway, and
Bearing need to be increased on axle by, which determining, is supported the support for solving the problems, such as inner tube, ensures the sealing of inner tube both ends not by too big side
Xiang Li.However, the structure inner tube can individually rotate departing from outer tube and axle, the supporting way of unilateral bearing is to swivel joint side
Sealing ring causes larger stress, causes the service life of sealing ring too short and needs dismounting bearing laggard after the damage of shaft end seal circle
Row is changed.The extremely difficult dismounting of bearing is caused because space is too small, so as to cause to need to carry out sealing ring replacing for a long time, so sealing
The frequent breakage of circle causes to have a strong impact on to the production efficiency of equipment.Require that hollow shaft cavity is divided into the field of two-way gas at some
Close, that is, need the inner tube on swivel joint to exceed axial length, and often the length of some axles is more than 1 meter, and longer both ends of inner tube length
Axiality be more not easy to ensure, the problem of broken bearing and sealing ring frequent breakage occurs in the long-term continual operation of equipment.
Therefore, it is necessary to propose effective technical scheme, solve the above problems.
The content of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, there is provided a kind of inner tube ring wear is small, spring bearing is quick detachable
Integrated rotary.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：
A kind of integrated rotary, the swivel joint include elbow of the afterbody with radial air inlet mouth, with air inlet
Threeway, outer tube, inner tube and shaft parts；One end of the threeway is located in the elbow, and the other end of the threeway passes through axle
Hold rotatable one end with the outer tube to be connected, the other end of the outer tube is connected to the shaft parts, and the outer tube is arranged
Outside said inner tube, the outer tube by supporting plate and the integrally welded formula structure of said inner tube, one end of said inner tube from
It extend out in outer tube in elbow and is in contact with the threeway, the other end of said inner tube is extend out in shaft parts out of outer tube.
Further, the supporting plate is along the circumferential direction distributed between outer tube and inner tube.
Further, the supporting plate is six.
Further, the front end of the outer tube and the threeway are sealed by seal assembly, and the seal assembly includes bullet
Spring, the spring pad for being installed on spring right-hand member, the auxiliary seal ring for being installed on spring pad right-hand member, it is installed on auxiliary seal ring right-hand member
Sealing ring.
Further, the material of the sealing ring is impregnated graphite materials.
Further, the outer tube and the shaft parts are sealed by exterior seal ring
Further, said inner tube and the shaft parts are sealed by sealing ring.
Further, said inner tube and the threeway are sealed by inner seal ring.
Further, said inner tube and the threeway touching position are additionally provided with sealing ring.
Beneficial effect：
The present invention is provided with oil immersion graphite-seal ring and increase sealing ring in threeway, and wherein oil immersion graphite-seal ring is in air inlet
An Auxiliary support is played a part of at end, reduces the friction between interior axle and threeway, reduces the service life for improving sealing ring,
The sealing effectiveness of product is improved, reduces the replacement cycle of sealing ring, i.e. plant maintenance cycle；
The present invention adds the structure type of supporting plate using outer tube, inner tube, realizes inner tube both ends sealing ring and does not stress, significantly
The service life of sealing ring is improved, and it is difficult to solve the problems, such as that shaft end seal circle is changed simultaneously；And inner tube outlet side form
Alternative, solve the problems, such as that hollow shaft cavity is divided into two-way gas and causes inner tube long.
Brief description of the drawings
Some specific embodiments of the present invention are described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the structural representation of integrated rotary of the present invention；
Fig. 2 is Fig. 1 A-A to sectional view.
In figure, 1, elbow, 2, threeway, 3, inner seal ring, 4, sealing ring, 5, spring, 6, spring pad, 7, auxiliary seal ring,
8th, sealing ring, 9, shaft block ring, 10, bearing, 11, hole back-up ring, 12, outer tube, 13, supporting plate, 14, inner tube, 15, flange, 16,
Exterior seal ring, 17, shaft parts, 18, sealing ring, 19, screw.
Embodiment
As depicted in figs. 1 and 2, there is provided the rotation of a kind of integrated rotary, specially radial tire forming machine connects
Head, swivel joint include elbow 1 of the afterbody with radial air inlet mouth, the threeway 2 with air inlet, outer tube 12, inner tube 14 and zero
Part axle 17；One end of the threeway is located in the elbow, the other end of the threeway by bearing 10 it is rotatable with it is described
One end connection of outer tube, the bearing carry out axially position by hole with back-up ring 11, and bearing 10 supports outer tube 12 by endoporus, leads to
The shaft block ring 9 crossed on outer tube 12 carries out axially position, and flange 15 welds together with outer tube 12, and zero is fixed on by screw 19
On part axle 17；The other end of the outer tube is connected to the shaft parts, and the outer tube is set in outside said inner tube, the outer tube
By supporting plate 13 and the integrally welded formula structure of said inner tube, one end of said inner tube extend out to out of outer tube in elbow and with
The threeway is in contact, the other end of said inner tube is extend out in shaft parts out of outer tube.
It is to be appreciated that the supporting plate is along the circumferential direction distributed between outer tube and inner tube.Preferably, the support
Plate is six.Outer tube and inner tube are set in together by six supporting plates, have reached the purpose of inner and outer pipes one, are ensureing outer tube
On the basis of ventilatory effect between inner tube, again the weight of interior outer shaft can be made all to be supported by bearing, ensure inner tube
Both ends sealing ring does not stress；And inner and outer pipes integral structure solves interior axle support problem, the outer end support of the desirable shaft parts that disappear
Bearing, solve the problems, such as that bearing removal difficulty causes sealing ring to be changed and is not easy；And inner and outer pipes integral structure, ensure interior axle outlet
The alternative of end form, you can using smooth surface axis hole encrypt seal fit system, ensure that gas directly with using part it
Between conveying, also can use inner tube outer end processing sealing pipe screw thread be connected with modular, pneumatically powered internal thread quick connector, managed by PU
The form of indirect gas transmission is carried out, the form can solve the problems, such as that hollow shaft cavity is divided into two-way gas and causes inner tube long.
Specifically, six supporting plates are divided into two groups, it is attached, is ensured by the way of uniform in circumferencial direction at outer tube both ends
The circulation effect of gas in outer tube and inner tube.
As one embodiment of the present of invention, the front end of the outer tube and the threeway are sealed by seal assembly, described
Seal assembly includes spring 5, the auxiliary seal ring 7 for being installed on the spring pad 6 of spring right-hand member, being installed on spring pad right-hand member, installation
In the sealing ring 8 of auxiliary seal ring right-hand member.Preferably, the material of the sealing ring is impregnated graphite materials or other associated materials
Reduce with the coefficient of friction of outer between centers, apply a force to sealing ring 8 by the way that spring 5 is continual, it is ensured that sealing ring 8 and outer tube 12 it
Between long term seal effect.
As one embodiment of the present of invention, the outer tube and the shaft parts are sealed by exterior seal ring 16
As one embodiment of the present of invention, said inner tube and the shaft parts are sealed by sealing ring 18.Eliminate existing
There is the spring bearing in technology, two pieces sealing ring has reached sealing effectiveness, solves the problems, such as that bearing influences sealing ring and changed, protects
The respective flat of two-way gas in shaft parts 17 is demonstrate,proved.
As one embodiment of the present of invention, said inner tube and the threeway are sealed by inner seal ring 3, i.e., inlet end is adopted
With two inner seal rings, the sealing effectiveness between threeway and inner tube is strengthened, it is ensured that swivel joint is long lasting for uninterrupted
Sealing effectiveness in running.
As one embodiment of the present of invention, said inner tube and the threeway touching position are additionally provided with sealing ring 4.Air inlet
The sealing ring at place plays a part of an Auxiliary support to inner tube, strengthens the support of inner tube inlet end, and the use of sealing ring 4
The situation of the discontinuity of inner seal ring 3 can be eliminated, has thoroughly prevented the problem of inlet end inner seal ring is by radial load.Further
, the inner seal ring reduces the coefficient of friction between inner tube from impregnated graphite materials or other associated materials, solves original
The problem of frictional force is big between inner tube and threeway.
The present invention can be summarized with others without prejudice to the concrete form of the spirit or essential characteristics of the present invention.Therefore, nothing
By from the point of view of which point, the embodiment above of the invention can only all be considered the description of the invention and can not limit this hair
Bright, claims indicate the scope of the present invention, and above-mentioned explanation does not point out the scope of the present invention, therefore, with this
Any change in claims of invention suitable implication and scope, all it is considered as the claim for being included in the present invention
In the range of book.
Claims (8)
1. a kind of integrated rotary, the swivel joint includes elbow of the afterbody with radial air inlet mouth, with air inlet
Threeway, outer tube, inner tube and shaft parts；One end of the threeway is located in the elbow, and the other end of the threeway passes through bearing
Rotatable one end with the outer tube is connected, and the other end of the outer tube is connected to the shaft parts, it is characterised in that described
Outer tube is set in outside said inner tube, and the outer tube passes through supporting plate and the integrally welded formula structure of said inner tube, said inner tube
One end extend out to out of outer tube in elbow and be in contact with the threeway, the other end of said inner tube extend out to zero out of outer tube
In part axle；
The supporting plate is along the circumferential direction distributed between outer tube and inner tube, ensures that inner tube both ends sealing ring does not stress；
Interior axle outlet side form seals pipe screw thread and mark using the fit system or the processing of inner tube outer end of smooth surface axis hole encryption seal
Accurate pneumatic internal thread quick connector connection, the form of indirect gas transmission is carried out by PU pipes.
2. integrated rotary as claimed in claim 1, it is characterised in that the supporting plate is six.
3. integrated rotary as claimed in claim 1, it is characterised in that the front end of the outer tube and the threeway pass through
Seal assembly seals, and the seal assembly includes spring, is installed on the spring pad of spring right-hand member, is installed on the auxiliary of spring pad right-hand member
Help sealing ring, be installed on the sealing ring of auxiliary seal ring right-hand member.
4. integrated rotary as claimed in claim 3, it is characterised in that the material of the sealing ring is impregnated graphite material
Material.
5. integrated rotary as claimed in claim 1, it is characterised in that the outer tube and the shaft parts pass through outer close
Seal seals.
6. integrated rotary as claimed in claim 1, it is characterised in that said inner tube and the shaft parts pass through sealing
Circle sealing.
7. integrated rotary as claimed in claim 1, it is characterised in that said inner tube and the threeway pass through interior sealing
Circle sealing.
8. integrated rotary as claimed in claim 7, it is characterised in that said inner tube and the threeway touching position are also
Provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610301663.6A CN105736881B (en) | 2016-05-06 | 2016-05-06 | Integral type rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610301663.6A CN105736881B (en) | 2016-05-06 | 2016-05-06 | Integral type rotary joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105736881A CN105736881A (en) | 2016-07-06 |
| CN105736881B true CN105736881B (en) | 2018-01-02 |
Family
ID=56288314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610301663.6A Active CN105736881B (en) | 2016-05-06 | 2016-05-06 | Integral type rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105736881B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271528A (en) * | 2020-01-21 | 2020-06-12 | 宝鸡石油机械有限责任公司 | Double-speed telescopic high-pressure manifold connecting device |
| CN111531777B (en) * | 2020-05-07 | 2021-12-07 | 山东聚能管业有限公司 | Manufacturing and processing method of heat preservation layer of heat preservation pipe |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4194767A (en) * | 1978-05-08 | 1980-03-25 | Aeroquip Corporation | Rotary joint |
| DD212783A1 (en) * | 1982-12-08 | 1984-08-22 | Textima Veb K | SEAL HEAD FOR PIPING CONNECTION TO A ROTATING ROLLING THREAD |
| US4934744A (en) * | 1989-03-01 | 1990-06-19 | Westinghouse Electric Corp. | Rotary joint for conveying feedwater |
| JP4621115B2 (en) * | 2005-10-31 | 2011-01-26 | 株式会社日本製鋼所 | Rotary joint |
| CN102352943B (en) * | 2011-09-28 | 2013-02-06 | 中联重科股份有限公司 | Rotary joint |
| CN202992461U (en) * | 2012-09-22 | 2013-06-12 | 山东飞越机械有限公司 | Rotating joint of replaceable sealing element |
| CN205592544U (en) * | 2016-05-06 | 2016-09-21 | 山东玲珑轮胎股份有限公司 | Integral type rotary joint |
-
2016
- 2016-05-06 CN CN201610301663.6A patent/CN105736881B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105736881A (en) | 2016-07-06 |
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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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181204 Address after: 253300 east side of de Shang Road, Wucheng County Economic Development Zone, Dezhou, Shandong Patentee after: DEZHOU LINGLONG TIRE CO.,LTD. Address before: 265400 Jinlong Road, Zhaoyuan, Yantai, Shandong 777 Patentee before: SHANDONG LINGLONG TYRE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201214 Address after: 265400 Jinlong Road, Zhaoyuan, Yantai, Shandong 777 Patentee after: SHANDONG LINGLONG TYRE Co.,Ltd. Address before: 253300 east side of de Shang Road, Wucheng County Economic Development Zone, Dezhou, Shandong Patentee before: DEZHOU LINGLONG TIRE CO.,LTD. |