CN202302483U - Rotating joint capable of effectively maintaining pressure - Google Patents
Rotating joint capable of effectively maintaining pressure Download PDFInfo
- Publication number
- CN202302483U CN202302483U CN2011204034032U CN201120403403U CN202302483U CN 202302483 U CN202302483 U CN 202302483U CN 2011204034032 U CN2011204034032 U CN 2011204034032U CN 201120403403 U CN201120403403 U CN 201120403403U CN 202302483 U CN202302483 U CN 202302483U
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- rotation
- solid
- turning axle
- rotating
- ring
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Abstract
The utility model relates to a rotating joint capable of effectively maintaining pressure. The rotating joint comprises a rotating body (1) and a rotating shaft (2), and is characterized in that: the rotating shaft (2) is axially provided with a central oil drainage hole, four main oil-way holes and three low-pressure oil holes, wherein the central oil drainage hole is formed in the center of the rotating shaft (2); rotating sealing rings (6) and a dustproof ring (7) are arranged in an annular groove between the rotating body (1) and the rotating shaft (2); each rotating sealing ring (6) consists of a dust scraping ring (6.1) and an O-shaped ring (6.2); and the O-shaped ring (6.2) is fixed on the dust scraping ring (6.1) which is tightly pressed on the rotating shaft (2). By the rotating joint capable of effectively maintaining the pressure, the pressure can be maintained for a long time, so that damage to the rotating joint of which one side is subjected to oil pressure when the rotating joint works can be prevented; and a fixed part and a rotating part in a hydraulic system can rotate 360 degrees relative to each other, oil-ways are smooth, and the operation of each oil-way is non-tandem.
Description
Technical field
The utility model relates to a kind of effectively swivel coupling of pressurize, is mainly used in the hydraulic system of machinery such as hoist, grader, is the link that connects standing part and rotating part hydraulic pipe line in the whole hydraulic system, belongs to technical field of engineering machinery.
Background technique
Hoist, grader etc., two-part are need be rotating about it, this just exists the connectivity problem of rotating part and standing part oil circuit.Swivel coupling is made up of solid of rotation, turning axle and lid etc.During use, the revolution lower bolster of solid of rotation and hoist, grader is fixed, and the mounting plate on the turning axle supports with the revolution on the revolution upper mounting plate and is connected.Hydralic hose is installed on respectively on each hydraulic fluid port of solid of rotation and turning axle, and the upper mounting plate of hydraulic machinery then drives the turning axle rotation.
Yet swivel coupling in the past has only one-sided hydraulic fluid port to carry out work, can cause bigger pressure to swivel coupling is one-sided, and therefore common rotating seal ring can not effectively guarantee the swivel coupling pressure inside, thereby has influenced the quality of swivel coupling.
And behind the hydraulic pipe line of standing part and rotating part, can not let standing part and rotating part rotate 360 ° relatively in the connection of the swivel coupling in the past hydraulic system, cause pipeline to interfere, and oil circuit be upper and lower not smooth, each oil circuit action series connection.
Summary of the invention
The purpose of the utility model is to overcome above-mentioned deficiency; A kind of permanent pressurize is provided; Prevent that swivel coupling work the time receives one-sided oil pressure and damages; Can rotate 360 ° relatively between standing part and the rotating part in the hydraulic system, and oil circuit is upper and lower unimpeded, the effectively swivel coupling of pressurize that each oil circuit action is not connected.
The purpose of the utility model is achieved in that
The utility model is the swivel coupling of pressurize effectively; Comprise solid of rotation and turning axle; Said turning axle is made up of upper pipeline linkage section and following construction section, and the following construction section of said turning axle inserts in the solid of rotation from the top axial of solid of rotation, and said upper pipeline linkage section is exposed to solid of rotation; Said turning axle axially offers draining hole, a center, four working connection holes and three low pressure oilholes; The center of turning axle is located in draining hole, said center, radially have on the said solid of rotation four main hydraulic fluid ports, three low pressure hydraulic fluid ports with turning axle on four working connection holes, three corresponding one by one being connected of low pressure oilhole, have on the said end cap center drain tap with turning axle on draining hole, center be connected; It is stifled that the lower end in said four working connection holes is provided with awl, and the upper end of said three low pressure oilholes is provided with plug.
Be provided with the water seal circle between said solid of rotation upper end and the upper pipeline linkage section; There is end cap the lower end of said solid of rotation through bolt; Be provided with seal ring between the lower end of said solid of rotation and the end cap, rotating seal ring and dust ring are housed in the annular groove between said solid of rotation and the turning axle, this rotating seal ring is made up of dust blowing ring and O type circle; O type circle is fixed on the dust blowing ring, and the dust blowing ring is pressed on the turning axle.
Compared with prior art, the beneficial effect of the utility model is:
The swivel coupling of this effectively pressurize can connect the hydraulic pipe line of standing part and rotating part in the whole hydraulic system; And make standing part and rotating part can rotate 360 ° relatively; Pipeline just can not interfere, and it is unimpeded that upper and lower oil circuit can keep, and each oil circuit action is not connected.And the swivel coupling of the effective pressurize of instinct provides multichannel oil circuit, makes hoist, grader can carry out more complicated actions, has improved its applicability, and is also comparatively convenient during Operation and maintenance, makes that the pipeline life-span is longer.And rotating seal ring is combined by dust blowing ring and elasticity O type circle; The O type circle of this combined type rotating seal ring is fixed on the dust blowing ring, and the dust blowing ring plays the dust blowing effect, and O type circle then provides pressure to the dust blowing ring; Guarantee that the dust blowing ring is pressed on the turning axle; Thereby can prevent effectively that swivel coupling work the time receives one-sided oil pressure big and damage, and can long-acting pressurize, thereby guarantee the quality of swivel coupling.
Description of drawings
Fig. 1 is the effective Facad structure schematic representation of the swivel coupling of pressurize of the utility model.
Fig. 2 is the I-I sectional view of Fig. 1.
Fig. 3 is the plan view of Fig. 1.
Fig. 4 is the structural representation of rotating seal ring among Fig. 2.
Wherein: solid of rotation 1, turning axle 2, upper pipeline linkage section 2.1, stifled 8, the plug 9 of construction section 2.2, water seal circle 3, end cap 4, seal ring 5, rotating seal ring 6, dust blowing ring 6.1, O type circle 6.2, dust ring 7, awl down.
Embodiment
Referring to Fig. 1 to Fig. 4, the utility model relates to a kind of effectively swivel coupling of pressurize, comprises solid of rotation 1 and turning axle 2; Said turning axle 2 is made up of upper pipeline linkage section 2.1 and following construction section 2.2, and the following construction section 2.2 of said turning axle 2 inserts in the solid of rotation 1 from the top axial of solid of rotation 1, and said upper pipeline linkage section 2.1 is exposed to solid of rotation 1; Be provided with water seal circle 3 between said solid of rotation 1 upper end and the upper pipeline linkage section 2.1; Said water seal circle 3 is used to prevent gas leak or entering, the said lower end of construction section 2.2 down and the lower end horizontal alignment of solid of rotation 1, and there is end cap 4 lower end of said solid of rotation 1 through bolt; Be provided with seal ring 5 between the lower end of said solid of rotation 1 and the end cap 4; Rotating seal ring 6 and dust ring 7 are housed in the annular groove between said solid of rotation 1 and the turning axle 2, and this rotating seal ring 6 is made up of dust blowing ring 6.1 and O type circle 6.2, and O type circle 6.2 is fixed on the dust blowing ring 6.1; Dust blowing ring 6.1 plays the dust blowing effect; O type circle 6.2 then provides pressure to dust blowing ring 6.1, guarantees that dust blowing ring 6.1 is pressed on the turning axle 2, thereby can prevent effectively that swivel coupling is damaged greatly by one-sided oil pressure when working; And can long-acting pressurize, thereby have guaranteed the quality of swivel coupling.
Like Fig. 2; Said turning axle 2 axially offers draining hole, a center, four working connection holes and three low pressure oilholes; Draining hole, said center is the H hole among Fig. 2 and Fig. 3, and said four working connection holes are A hole, B hole, C hole and the D hole among Fig. 1, Fig. 2 and Fig. 3, and said three low pressure oilholes are E hole, F hole and the G hole among Fig. 1, Fig. 2 and Fig. 3; Said center draining hole H is located at the center of turning axle 2; The termination, upper end of said three low pressure oilholes is blocked with plug 9, and it is stifled 8 that the lower end in said four working connection holes is provided with awl, and said awl stifled 8 is blocked the lower end in four working connection holes.
Like Fig. 1 and Fig. 2; Corresponding to the draining hole, a center on the turning axle 2, four working connection holes and three low pressure oilholes; Radially have on the said solid of rotation 1 four main hydraulic fluid ports, three low pressure hydraulic fluid ports with turning axle 2 on four working connection holes, three corresponding one by one being connected of low pressure oilhole; Have on the said end cap 4 the center drain tap with turning axle 2 on draining hole, center H be connected; Said four main hydraulic fluid ports are A mouth, B mouth, C mouth, D mouth, and said three low pressure hydraulic fluid ports are E mouth, F mouth and G mouth, and said center drain tap is the H mouth.
Claims (1)
1. effective swivel coupling of pressurize; Comprise solid of rotation (1) and turning axle (2); It is characterized in that: said turning axle (2) is made up of upper pipeline linkage section (2.1) and following construction section (2.2); The following construction section (2.2) of said turning axle (2) inserts in the solid of rotation (1) from the top axial of solid of rotation (1); Said upper pipeline linkage section (2.1) is exposed to solid of rotation (1), and said turning axle (2) axially offers draining hole, a center, four working connection holes and three low pressure oilholes, and the center of turning axle (2) is located in draining hole, said center; Radially have on the said solid of rotation (1) four main hydraulic fluid ports, three low pressure hydraulic fluid ports with turning axle (2) on four working connection holes, three corresponding one by one being connected of low pressure oilhole; Have on the said end cap (4) the center drain tap with turning axle (2) on draining hole, center be connected, the lower end in said four working connection holes is provided with awl stifled (8), the upper end of said three low pressure oilholes is provided with plug (9);
Be provided with water seal circle (3) between said solid of rotation (1) upper end and the upper pipeline linkage section (2.1); There is end cap (4) lower end of said solid of rotation (1) through bolt; Be provided with seal ring (5) between the lower end of said solid of rotation (1) and the end cap (4); Rotating seal ring (6) and dust ring (7) are housed in the annular groove between said solid of rotation (1) and the turning axle (2); This rotating seal ring (6) is made up of dust blowing ring (6.1) and O type circle (6.2), and O type circle (6.2) is fixed on the dust blowing ring (6.1), and dust blowing ring (6.1) is pressed on the turning axle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204034032U CN202302483U (en) | 2011-10-21 | 2011-10-21 | Rotating joint capable of effectively maintaining pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204034032U CN202302483U (en) | 2011-10-21 | 2011-10-21 | Rotating joint capable of effectively maintaining pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202302483U true CN202302483U (en) | 2012-07-04 |
Family
ID=46371377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204034032U Expired - Lifetime CN202302483U (en) | 2011-10-21 | 2011-10-21 | Rotating joint capable of effectively maintaining pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202302483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329556A (en) * | 2014-09-20 | 2015-02-04 | 辽宁三三工业有限公司 | Shield tunneling machine central turning joint |
-
2011
- 2011-10-21 CN CN2011204034032U patent/CN202302483U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329556A (en) * | 2014-09-20 | 2015-02-04 | 辽宁三三工业有限公司 | Shield tunneling machine central turning joint |
| CN104329556B (en) * | 2014-09-20 | 2016-06-29 | 辽宁三三工业有限公司 | Shield machine centre revolving joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214422 Wuxi, Jiangyin, Jiangsu Province Yun Ting Street industrial concentration area 1 Patentee after: Jiangsu Changling hydraulic Limited by Share Ltd Address before: 214422 Wuxi, Jiangyin, Jiangsu Province Yun Ting Street industrial concentration area 1 Patentee before: Jiangyin Changling Machinery Manufacturing Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 214422 Yun Ting Road 885, Yun Ting Street, Jiangyin, Wuxi, Jiangsu Patentee after: Jiangsu Changling hydraulic Limited by Share Ltd Address before: 214422 Wuxi, Jiangyin, Jiangsu Province Yun Ting Street industrial concentration area 1 Patentee before: Jiangsu Changling hydraulic Limited by Share Ltd |
|
| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |
|
| CX01 | Expiry of patent term |