CN101893144B - Center swivel joint for turbojet fire engine - Google Patents
Center swivel joint for turbojet fire engine Download PDFInfo
- Publication number
- CN101893144B CN101893144B CN2010102159974A CN201010215997A CN101893144B CN 101893144 B CN101893144 B CN 101893144B CN 2010102159974 A CN2010102159974 A CN 2010102159974A CN 201010215997 A CN201010215997 A CN 201010215997A CN 101893144 B CN101893144 B CN 101893144B
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- China
- Prior art keywords
- rotation
- solid
- housing
- swivel body
- water pipe
- 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 - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims description 38
- 239000012530 fluid Substances 0.000 claims description 7
- 239000003921 oil Substances 0.000 abstract description 9
- 239000010720 hydraulic oil Substances 0.000 abstract description 8
- 239000002283 diesel fuel Substances 0.000 abstract description 5
- 239000000295 fuel oil Substances 0.000 abstract description 5
- 239000003350 kerosene Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Joints Allowing Movement (AREA)
Abstract
A center swivel joint for a turbojet fire engine mainly comprises a swivel body, a shell and a water pipe. The center swivel joint is characterized in that ring slots are arranged on the cylindrical surface on the lower part of the swivel body; the end of the swivel body is provided with blind holes radially and axial hole paths axially; the axial hole paths are communicated with the ring slots via the blind holes; a coupling flange is arranged at the end of the snap-fit surface of the swivel body and the shell; the outer wall of the shell is radially provided with oil holes corresponding to the ring slots on the swivel body and is provided with a square check block; the bottom end of the shell is provided with an end cover board fixed on the swivel body; sealing rings for sealing each channel are arranged between the shell and the swivel body; the upper end of the water outlet pipe is provided with an outer coupling flange; and the outer wall of the upper end of the water outlet pipe is provided with a flange fixedly coupled with the swivel body. The center swivel joint has the following beneficial effects: the center swivel joint can realize connection among fuel oil pipes, hydraulic oil pipes and water pipes simultaneously, has good adaptability to diesel oil and kerosene, good sealing effect and small volume; the sealing elements have long service lives; and the oil flow passing through the center swivel joint is high.
Description
Technical field
The present invention relates to a kind of centre revolving joint, especially a kind of turbojet fire engine centre revolving joint that is applicable on the various motor vehicles and machines.
Background technique
The fire-fighting operation device of turbojet fire engine is fixed on the automobile chassis by pivoting support, and the required hydraulic oil of required fuel oil (diesel oil or kerosene), the hydraulic driving of its turbojet engine, water that fire-fighting is used etc. are stored on the automobile chassis; Turbojet fire engine is in the fire-fighting operation process, and its apparatus for work all can turn round at any time as required.Therefore, must between automobile chassis and fire-fighting operation device, be provided with one and be convenient to the centre revolving joint that fuel oil, hydraulic oil and water pass through simultaneously.
At present, the centre revolving joint that is adopted on the various motor vehicles and machines can't be used for turbojet fire engine, and its subject matter is as follows: (1) can only be used for the connection of hydraulic oil pipe, can not realize simultaneously that fuel oil, hydraulic oil are connected with three kinds of fluid pipelines of water; (2) its sealing influences sealing effect and seal durability to the bad adaptability of diesel oil, kerosene; (3) applying working condition that installs and fixes mode and turbojet fire engine requires incompatible; (4) volume bulkiness, the fluid flow that passes through is little.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, provide a kind of simple in structure, easy to assembly, the reliability height, long service life can realize that three kinds of fluid pass through simultaneously, and by the big turbojet fire engine centre revolving joint of flow.
For achieving the above object, swivel coupling of the present invention comprises housing, and the bottom is located at the solid of rotation in the housing and is located at the interior water pipe of solid of rotation, has 4 road annular grooves on the lower cylindrical face of described solid of rotation, the end of solid of rotation radially has 7 blind holes, has 7 axial channel vertically; Wherein: first axial channel is connected with first annular groove through first blind hole, second axial channel is connected with second annular groove through second blind hole, the 3rd axial channel is connected with the 3rd annular groove through the 3rd blind hole, and 4 ducts in four-axial duct are connected with the Fourth Ring groove through 4 blind holes of the 4th blind hole respectively; Solid of rotation and housing buckling surface end are provided with connecting flange; The outer wall of housing radially have 4 respectively with solid of rotation on corresponding 4 oilholes of 4 road annular grooves, the outer wall of housing is provided with a square block, the bottom of housing is provided with the end casing that is fixed on the solid of rotation; Be provided with the seal ring of each passage of sealing between housing and the solid of rotation; The upper end of water pipe is provided with outer the 1st flange that connects, and water pipe upper end portion outer wall is provided with the 2nd flange that is fixedly connected with solid of rotation.
Be respectively equipped with the end face sealing ring that carries out axial limiting between the buckling surface of described solid of rotation and housing, end casing and housing; Slidingly on the underpart outer wall of described outlet pipe be equipped with and be connected the clamp that water pipe links to each other; The seal ring of described each passage of sealing is oil-resistant seal ring.
Beneficial effect: owing to adopt technique scheme, make the turbojet fire engine centre revolving joint can realize simultaneously that fuel oil, hydraulic oil are connected with three kinds of fluid pipelines of water, diesel oil, kerosene are had good adaptability, good sealing effect, seal durability is long; Volume is little, and the fluid flow that passes through is big.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the sectional structure schematic representation of Fig. 1.
Among the figure: 1. solid of rotation, 2. end face seal, 3. housing, 4. link stopper, 5. oil resistant sealing, 6. end face seal, 7. end casing, 8. water pipe, 9. clamp.
Embodiment
Below in conjunction with accompanying drawing one embodiment of the present of invention are described further;
Fig. 1 Fig. 2 is described, and the turbojet fire engine centre revolving joint mainly is made up of solid of rotation 1, housing 3, water pipe 8, plumbing 8 in the central axial bore of solid of rotation 1, and the bottom of solid of rotation 1 is contained in the central axial bore of housing 3; Have 4 road annular groove a1, a2, a3, a4 on solid of rotation 1 and the lower cylindrical face that housing 3 matches, the end of solid of rotation 1 radially has 7 blind hole B1, B2, B3, B4 (1), B4 (2), B4 (3), B4 (4), has 7 axial channel b1, b2, b3, b4 (1), b4 (2), b4 (3), b4 (4) vertically; Wherein: the first axial channel b1 is connected with the first annular groove a1 through the first blind hole B1, the second axial channel b2 is connected with the second annular groove a2 through the second blind hole B2, the 3rd axial channel b3 is connected with the 3rd annular groove a3 through the 3rd blind hole B3, and all the other four axial channel b4 (1), b4 (2), b4 (3), b4 (4) are connected with Fourth Ring groove a4 through four blind hole B4-1, B4-2, B4-3, B4-4 respectively; The middle and upper part of solid of rotation 1 is a flange arrangement, by 8 bolts and on shelve and be fixedly linked.Housing 3 is the hollow cylindrical structure, and its left side middle part is welded with a square link stopper 4, and this link stopper 4 places in the vertical locating slot on the chassis, promptly allows it to move up and down, and limits it and rotatablely moves; On housing 3, radially be processed with 4 oilhole A1, A2, A3, A4,4 oilhole A1, A2, A3, A4 respectively with solid of rotation 1 on 4 road annular groove a1, a2, a3, a4 is corresponding; The bottom of housing 3 is provided with the end casing 7 that is fixed on the solid of rotation 1.For preventing interpenetrating or exosmosing of fluid between each oilhole, the seal ring 5 of 6 road oil resistants is housed between housing 3 and solid of rotation 1, end face sealing ring 2,6 is housed, to carry out axial limiting between the buckling surface of solid of rotation 1 and housing 3, end casing 7 and housing 3 respectively.The upper end of water pipe 8 is welded with and is used to connect the 1st flange of loading onto water pipe, slides in the groove of its underpart clamp 9 is housed, and clamp 9 is fixedlyed connected with the water pipe on the chassis by screw; The top of water pipe 8 is welded with the 2nd flange, and is fixed together by screw and solid of rotation 1.
In the time of on being used for the large-scale turbojet fire engine of CDZ12, big flow diesel oil that turbojet engine is required or kerosene enter annular groove a4 on the solid of rotation 1 from the radial hole A4 on the housing 3, and 4 the axial channel b4 (1) through communicating with annular groove a4, b4 (2), b4 (3), b4 (4) enter corresponding 4 radial blind holes B4 (1), B4 (2) respectively, B4 (3), B4 (4) are defeated by turbojet engine after flowing to equipped interflow device in the lump.
When the used oil of turbojet engine was hydraulic oil, the communication path of hydraulic oil was to be radial direction oil hole A1, annular groove a1 solid of rotation 1 on, first axial channel b1, first blind hole B1 housing 3 at three the tunnel: the one tunnel; Two the tunnel is radial direction oil hole A2, the annular groove a2 on the solid of rotation 1, the second axial channel b2, the second blind hole B2 on the housing 3; Three the tunnel is oilhole A3, the annular groove a3 on the solid of rotation 1, the 3rd axial channel b3, the 3rd blind hole B3 on the housing 3.Fire-fighting water circulates through water pipe 8.
When on pretend when chassis turned round, solid of rotation 1, water pipe 8 rotate with last dress, housing 3 then is subjected to the restriction of vertical locating slot on link stopper 4 and the chassis and can't rotates; At this moment, relative housing 3 rotations of solid of rotation 1, water pipe 8 relative clamps 9 rotate, and 6 road seal rings 5 play and prevent that each oil duct from interpenetrating the effect of exosmosing with oil.
Claims (4)
1. turbojet fire engine centre revolving joint, comprise housing (3), the bottom is located at the solid of rotation (1) in the housing (3) and is located at the interior water pipe (8) of solid of rotation (1), it is characterized in that: have 4 road annular grooves (a1, a2, a3, a4) on the lower cylindrical face of described solid of rotation (1), the end of solid of rotation (1) radially has 7 blind holes (B1, B2, B3, B4 (1), B4 (2), B4 (3), B4 (4)), has 7 axial channel (b1, b2, b3, b4 (1), b4 (2), b4 (3), b4 (4)) vertically; Wherein: first axial channel (b1) is connected with first annular groove (a1) through first blind hole (B1), second axial channel (b2) is connected with second annular groove (a2) through second blind hole (B2), the 3rd axial channel (b3) is connected with the 3rd annular groove (a3) through the 3rd blind hole (B3), and all the other four axial channel (b4 (1), b4 (2), b4 (3), b4 (4)) are connected with Fourth Ring groove (a4) through four blind holes (B4 (1), B4 (2), B4 (3), B4 (4)) respectively; Solid of rotation (1) is provided with connecting flange with housing (3) buckling surface end; The outer wall of housing (3) radially have 4 respectively with corresponding 4 oilholes of the last 4 road annular grooves of solid of rotation (1) (a1, a2, a3, a4) (A1, A2, A3, A4), the outer wall of housing (3) is provided with a square block (4), and the bottom of housing (3) is provided with the end casing (7) that is fixed on the solid of rotation (1); Be provided with a plurality of seal rings (5) that prevent that fluid from leaking between each adjacent annular groove between housing (3) and the solid of rotation (1); The upper end of water pipe (8) is provided with outer the 1st flange that connects, and the upper end portion outer wall of water pipe (8) is provided with the 2nd flange that is fixedly connected with solid of rotation (1).
2. turbojet fire engine centre revolving joint according to claim 1 is characterized in that: be respectively equipped with the end face sealing ring (2,6) that carries out axial limiting between the buckling surface of described solid of rotation (1) and housing (3), end casing (7) and housing (3).
3. turbojet fire engine centre revolving joint according to claim 1 is characterized in that: be equipped with in the groove of the underpart outer wall of described water pipe (8) and be connected the clamp (9) that water pipe links to each other.
4. turbojet fire engine centre revolving joint according to claim 1 is characterized in that: described seal ring (5) is oil-resistant seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102159974A CN101893144B (en) | 2010-06-25 | 2010-06-25 | Center swivel joint for turbojet fire engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102159974A CN101893144B (en) | 2010-06-25 | 2010-06-25 | Center swivel joint for turbojet fire engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101893144A CN101893144A (en) | 2010-11-24 |
| CN101893144B true CN101893144B (en) | 2011-10-19 |
Family
ID=43102426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102159974A Expired - Fee Related CN101893144B (en) | 2010-06-25 | 2010-06-25 | Center swivel joint for turbojet fire engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101893144B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042450B (en) * | 2010-12-06 | 2012-06-27 | 长沙中联消防机械有限公司 | Centre revolving joint for engineering machinery |
| CN102352942A (en) * | 2011-08-22 | 2012-02-15 | 中联重科股份有限公司 | Swivel joint and sanitation vehicle comprising same |
| CN102705619B (en) * | 2012-05-31 | 2015-06-10 | 北京市三一重机有限公司 | Water, electricity and liquid multi-channel center revolving joint and engineering machinery with same |
| CN103629461B (en) * | 2012-08-30 | 2016-08-17 | 江苏卡威专用汽车制造有限公司 | A kind of used in fire-fighting rotary suction hose fittings body |
| CN103623528B (en) * | 2012-08-30 | 2015-12-02 | 江苏卡威专用汽车制造有限公司 | A kind of urban turbojet fire vehicle |
| JP6511905B2 (en) * | 2015-03-26 | 2019-05-15 | 株式会社タダノ | Swivel joint |
| CN106939949A (en) * | 2017-05-08 | 2017-07-11 | 苏州标杆知识产权运营有限公司 | Center swivel joint for turbojet fire engine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5104154A (en) * | 1989-04-25 | 1992-04-14 | Kabushiki Kaisha Kobe Seiko Sho | Swivel joint |
| JP3574887B2 (en) * | 1997-10-28 | 2004-10-06 | 東洋製罐株式会社 | Rotary joint |
| CN2750154Y (en) * | 2004-06-14 | 2006-01-04 | 孙珏 | Multiple-pass swivel coupling |
| CN2751473Y (en) * | 2004-12-06 | 2006-01-11 | 徐州工程机械科技股份有限公司徐工研究院 | Multi-path central rotation joint for water/electricity/liquid |
| CN2789556Y (en) * | 2005-05-02 | 2006-06-21 | 中国人民解放军63983部队 | Multifunction central rotating connection |
| CN101216134A (en) * | 2008-01-14 | 2008-07-09 | 江阴市长龄机械制造有限公司 | Large-sized machinery hydraulic central rotating joint with electrical brush |
-
2010
- 2010-06-25 CN CN2010102159974A patent/CN101893144B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101893144A (en) | 2010-11-24 |
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Owner name: XUZHOU WOTU INVESTMENT MANAGEMENT CONSULTING CO., Free format text: FORMER OWNER: XUZHOU TIAND HEAVY-DUTY MACHINERY MANUFACTURING CO., LTD. Effective date: 20140320 |
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Effective date of registration: 20140320 Address after: 221000, Zhongshan North Road, Jiangsu, Xuzhou No. 8 to the international 1 -2-2204 Patentee after: Xuzhou fertile land investment management consulting Co., Ltd. Address before: 221116 No. 24, Mount Huangshan Road, Copper Mt. Economic Development Zone, Jiangsu, Xuzhou Patentee before: Xuzhou Tiand Heavy-Duty Machinery Manufacturing Co., Ltd. |
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