CN2865933Y - Water-cooling circulating rotary joint - Google Patents
Water-cooling circulating rotary joint Download PDFInfo
- Publication number
- CN2865933Y CN2865933Y CN 200520047035 CN200520047035U CN2865933Y CN 2865933 Y CN2865933 Y CN 2865933Y CN 200520047035 CN200520047035 CN 200520047035 CN 200520047035 U CN200520047035 U CN 200520047035U CN 2865933 Y CN2865933 Y CN 2865933Y
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- CN
- China
- Prior art keywords
- flange shaft
- rotating shaft
- water
- rotation axis
- retainer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
A water-cooling circulation swivel joint composed of flange shaft liner with a central channel. One concave step is set on internal wall of channel. Rotation axis is set in central channel. One protruding fixing part is set at the back. The fixing part matches with the step set on internal wall of flange shaft liner channel. Flange shaft liner protrudes outside the front end and connects to outside body. Internal wall of rotation axis is set with the first step and the second step. Rising pipe is set inside rotation axis with one of its end connected to outside pipe and pipeline inside outside body. The first cage is installed on the internal wall of rotation axis with one of its end leans against the first step of the internal wall of rotation axis through spring and another end forms a bulging part clamped to the second step of the internal wall of rotation axis. The second cage is installed in central channel of flange shaft liner and leans against the back end of rotation axis. Cover is installed to the back end of flange shaft liner and leans against the second cage. During the rotation course, rotation shaft and flange shaft liner will lock with each other to avoid the falling off and guarantee the tight connection between internal water pipe and main body. Moreover, the service life can be increased.
Description
Technical field
The utility model relates to swivel joint, particularly is used for the swivel joint of the inside water-cooled circulation of continuous casting machine fan-shaped segment roller.
Background technology
Fan-shaped section is the core of conticaster, and it is throwing, aligning, carrying, guiding that fan-shaped section mainly acts on, and whole fan-shaped section is in the gas-tight silo, and a conticaster is made up of 14 sections more than 200 group rollers.Swivel joint is the end that is installed in roller 8a by connecting bolt, and an end is inserted in the roller, the other end with advance, the backwater metal hose is connected, cooling water pressure is 1.6Mpa.Can cause a series of problem as the swivel joint damage: 1, fan-shaped section roller and bearing are because cooling generation thermal deformation damage not in place or roller surfaces crackle.2, a large amount of soft water losses cause that moisturizing is not enough, and conticaster is by forced-stopping machine.3, be directly injected to as leaking the semifinished product surface can cause semifinished product to wander off or the semifinished product surface quality bad.Be mainly double-current swivel joint at steel plant continuous casting machine fan-shaped section swivel joint at present.
In use often rotate joint and damage, will change 10 in one day in the time of at most.There is following problem (referring to Fig. 1) in existing swivel joint:
1, owing under HTHP, works, stop back-up ring 3a between flange cover 4a and rotating shaft 2a is subjected to damages such as corrosion, distortion easily, under the reaction force of hydraulic pressure, graphite sliding bearing 6a damages, causes the inner water tube 9a and the flange cover 4a body that are connected with ectosome 1a to come off, and leaks in a large number.
2, during on-the-spot the installation, have to beat flange cover 4a sometimes and make graphite sliding bearing 6a crack and damage, use after a period of time graphite sliding bearing 6a cracked and escape from bolt 5a locking, leak in a large number.
3, after the end face graphite grazing 7a of rotating shaft 2a weares and teares in the original structure, compensated by end cap 10a, butterfly spring 11a, maximum is compensated for as 2mm, and compensation ability does not reach service life.
4, the end face of rotating shaft 2a adopts graphite grazing 7a sealing, and is wear-resisting bad with sealing property.
Summary of the invention
The purpose of this utility model is to design a kind of water-cooled circulation swivel joint, and rotating shaft does not lock mutually and can come off with flange shaft sleeve in rotary course, guarantees that inner water tube and body can not come off; Improved service life.
For achieving the above object, the technical solution of the utility model is, water-cooled circulation swivel joint comprises, flange shaft sleeve, and it has a central passage, and vias inner walls is concaved with a step; Rotating shaft is arranged in the flange shaft sleeve central passage, and its back segment portion is convexly equipped with a fixed part, and this fixed part cooperates with the step that the flange shaft sleeve vias inner walls is arranged with; Leading section stretches out flange shaft sleeve, and links with ectosome; The rotating shaft inwall is provided with first step and second step; Outlet pipe is arranged in the rotating shaft, and an end is connected in ectosome, and is communicated with pipeline in the ectosome; First retainer is installed in the rotating shaft inwall, and the one end is by the first step of spring against the rotating shaft inwall; Its other end forms a lug boss, is arranged in the second step of rotating shaft inwall; Second retainer is installed in the flange shaft sleeve central passage, against the rear end of rotating shaft; Stifle is installed in rear end in the flange shaft sleeve, against second retainer.
Further, the utility model also is provided with jump ring, is arranged between the stifle and second retainer.
The utility model also is provided with seal, is arranged at respectively between first retainer, second retainer and the outlet pipe.
Described seal is graphite grazing, ceramic seal.
Described spring is a cylindrical spring.
Advantage of the present utility model is,
1, cancelled back-up ring, adopted the interlocking-type structure, rotating shaft can only be from front-installed, and flange shaft sleeve is embraced rotating shaft from the negative, and rotating shaft does not lock mutually and can come off with flange shaft sleeve in rotary course, guarantees that inner water tube and body can not come off.
2, cancelled graphite sliding bearing, the standing part in the swivel joint is selected stainless steel material for use, and rotating part is selected copper sheathing for use.In order to improve the quality of fit of part, increase peripheral milling and line and cut this two procedures, make it reduce the matching surface wearing and tearing when rotated, make it more flexible when work, there are not the clamping stagnation of generation and seize phenomenon.
3, adopt cylindrical spring to increase compensation ability, be increased to 5mm, improved service life by original 2mm.
4, the end face of rotating shaft directly adopts the graphite grazing of band retainer and the mechanical sealing of ceramic seal, and directly be bonded on the sub-assembly with the fire resistant water resistant seccotine, fastness, wearability, sealing have been increased, also improved shock resistance, prevented to put the phenomenon that graphite damage generation is leaked because of beaing flange.
Description of drawings
Fig. 1 is the structure cutaway view of existing swivel joint;
Fig. 2 is the cutaway view of the utility model one embodiment;
The specific embodiment
Referring to Fig. 2, water-cooled circulation swivel joint of the present utility model is installed on continuous casting machine fan-shaped segment roller 11 end faces, comprise, and flange shaft sleeve 1, it has a central passage 100, and vias inner walls is concaved with a step 101; Rotating shaft 2 is arranged in flange shaft sleeve 1 central passage 100, and its back segment portion is convexly equipped with a fixed part 21, and this fixed part 21 cooperates with the step 101 that flange shaft sleeve 1 vias inner walls is arranged with; Leading section stretches out flange shaft sleeve 1, and links with ectosome; Rotating shaft 2 inwalls are provided with first step 22 and second step 23; Outlet pipe 3 is arranged in the rotating shaft 2, and an end is connected in ectosome 10, and is communicated with pipeline in the ectosome 10; First retainer 4 is installed in rotating shaft 1 inwall, and the one end is by the first step 22 of spring 7 against rotating shaft 2 inwalls, and described spring 12 is a cylindrical spring; Its other end forms a lug boss 41, is arranged in the second step 23 of rotating shaft 2 inwalls; Second retainer 5 is installed in flange shaft sleeve 1 central passage 100, against the rear end of rotating shaft; Stifle 6 is installed in rear end in the flange shaft sleeve 1, against second retainer 5, is provided with jump ring 8 between the stifle 6 and second retainer 5; Be provided with seal 9,9 ' between first retainer 4, second retainer 5 and the outlet pipe 3, described sealing 9,9 ' is respectively graphite grazing, ceramic seal.
Swivel joint is installed on roller 11 end faces with bolt by the hole that flange puts, and water is entered in outlet pipe 3 and the rotating shaft 2 space cracks by the A chamber and enters, and backwater returns out from the B chamber by outlet pipe 3 inside.The flange cover rotates with roller 11 in the work.
Swivel joint significantly improves service life.Use behind this swivel joint improved greatly the service life of fan-shaped section roller.The online easy accessibility of this swivel joint can not cause semifinished product surface quality poor (camber, face crack etc.), energy loss and accident maintenance because of the big water spray of coming off of rotating shaft and flange form axle sleeve in the use.
Claims (5)
1. water-cooled circulation swivel joint is characterized in that, comprise,
Flange shaft sleeve, it has a central passage, and vias inner walls is concaved with a step;
Rotating shaft is arranged in the flange shaft sleeve central passage, and its back segment portion is convexly equipped with a fixed part, and this fixed part cooperates with the step that the flange shaft sleeve vias inner walls is arranged with; Leading section stretches out flange shaft sleeve, and links with ectosome; The rotating shaft inwall is provided with first step and second step,
Outlet pipe is arranged in the rotating shaft, and an end is connected in ectosome, and is communicated with pipeline in the ectosome;
First retainer is installed in the rotating shaft inwall, and the one end is by the first step of spring against the rotating shaft inwall; Its other end forms a lug boss, is arranged in the second step of rotating shaft inwall;
Second retainer is installed in the flange shaft sleeve central passage, against the rear end of rotating shaft;
Stifle is installed in rear end in the flange shaft sleeve, against second retainer.
2. water-cooled circulation swivel joint as claimed in claim 1 is characterized in that, also is provided with jump ring, is arranged between the stifle and second retainer.
3. water-cooled circulation swivel joint as claimed in claim 1 is characterized in that, also is provided with seal, is arranged at respectively between first retainer, second retainer and the outlet pipe.
4. water-cooled circulation swivel joint as claimed in claim 1 is characterized in that described seal is graphite grazing, ceramic seal.
5. water-cooled circulation swivel joint as claimed in claim 1 is characterized in that described spring is a cylindrical spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520047035 CN2865933Y (en) | 2005-11-29 | 2005-11-29 | Water-cooling circulating rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520047035 CN2865933Y (en) | 2005-11-29 | 2005-11-29 | Water-cooling circulating rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2865933Y true CN2865933Y (en) | 2007-02-07 |
Family
ID=37701634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520047035 Expired - Lifetime CN2865933Y (en) | 2005-11-29 | 2005-11-29 | Water-cooling circulating rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2865933Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102643938A (en) * | 2012-04-20 | 2012-08-22 | 中冶南方工程技术有限公司 | Liquid cooling rotary joint and distributing device closed cooling system using same as well as distributing device |
| CN103072083A (en) * | 2013-01-23 | 2013-05-01 | 乳山市宏远机床制造有限公司 | Ceramic seal cooling water inlet structure |
| CN103101091A (en) * | 2013-02-18 | 2013-05-15 | 资源县多利士木工机械厂 | Saw-web cooling-water rotating-shaft joint of multiple-saw-web woodworking machine |
| CN105805458A (en) * | 2016-05-25 | 2016-07-27 | 武汉钢铁股份有限公司 | Rotary joint for water-cooled roller |
| CN106363148A (en) * | 2016-11-25 | 2017-02-01 | 武汉钢铁股份有限公司 | Water-cooling rotary joint used for fan-shaped section drive roller of continuous casting machine |
-
2005
- 2005-11-29 CN CN 200520047035 patent/CN2865933Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102643938A (en) * | 2012-04-20 | 2012-08-22 | 中冶南方工程技术有限公司 | Liquid cooling rotary joint and distributing device closed cooling system using same as well as distributing device |
| CN102643938B (en) * | 2012-04-20 | 2013-10-30 | 中冶南方工程技术有限公司 | Liquid cooling rotary joint and distributing device closed cooling system using same as well as distributing device |
| CN103072083A (en) * | 2013-01-23 | 2013-05-01 | 乳山市宏远机床制造有限公司 | Ceramic seal cooling water inlet structure |
| CN103101091A (en) * | 2013-02-18 | 2013-05-15 | 资源县多利士木工机械厂 | Saw-web cooling-water rotating-shaft joint of multiple-saw-web woodworking machine |
| CN105805458A (en) * | 2016-05-25 | 2016-07-27 | 武汉钢铁股份有限公司 | Rotary joint for water-cooled roller |
| CN105805458B (en) * | 2016-05-25 | 2018-05-01 | 武汉钢铁有限公司 | A kind of swivel joint for water cooled rolls |
| CN106363148A (en) * | 2016-11-25 | 2017-02-01 | 武汉钢铁股份有限公司 | Water-cooling rotary joint used for fan-shaped section drive roller of continuous casting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070207 |
|
| EXPY | Termination of patent right or utility model |