CN202302480U - Multi-channel hydraulic gyrating joint - Google Patents
Multi-channel hydraulic gyrating joint Download PDFInfo
- Publication number
- CN202302480U CN202302480U CN2011203991309U CN201120399130U CN202302480U CN 202302480 U CN202302480 U CN 202302480U CN 2011203991309 U CN2011203991309 U CN 2011203991309U CN 201120399130 U CN201120399130 U CN 201120399130U CN 202302480 U CN202302480 U CN 202302480U
- Authority
- CN
- China
- Prior art keywords
- rotation
- solid
- turning axle
- gyrating
- low pressure
- 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
The utility model relates to a multi-channel hydraulic gyrating joint, which comprises a gyrating body (1) and a gyrating shaft (2). The multi-channel hydraulic gyrating joint is characterized in that the gyrating shaft (2) consists of an upper pipeline connecting section (2.1) and a lower mounting section (2.2); the gyrating shaft (2) is axially provided with four main oil way hole and one low-pressure oil way hole; a dust ring (9) is mounted in an annular concave groove between the gyrating body (1) and the lower mounting section (2.2); one side of the dust ring (9), which is in contact with the gyrating shaft (2), is provided with an upper and a lower lips (9.1) to form a double lip; and the upper and the lower lips (9.1) are both attached on the outer wall of the gyrating shaft (2) closely. Dust can not easily enter such a multi-channel hydraulic gyrating joint; oil is not easy to leak; the 360-degree relative rotation can be achieved between a fixed part and a rotating part in a hydraulic system and a circuit; furthermore, an oil way is smooth vertically; and the actions of each oil way and the circuit are not connected in series.
Description
Technical field
The utility model relates to a kind of multichannel hydraulic gyration joint; Be mainly used in the hydraulic system of machineries such as large-tonnage excavator, hoist, grader, tower crane; Be to connect standing part and the hydraulic pipe line of rotating part and the link of circuit in whole hydraulic system and the circuit, belong to technical field of engineering machinery.
Background technique
Hydraulic shovel, loop wheel machine, loader etc., two-part are need be rotating about it, this just exists the oil circuit of rotating part and standing part and the connectivity problem of circuit.Multichannel hydraulic gyration joint is made up of solid of rotation, turning axle and lid etc.During use, the revolution lower bolster of solid of rotation and hydraulic shovel, hoist machinery 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 and electric wire are installed on respectively on each hydraulic fluid port and circuit of solid of rotation and turning axle, and the upper mounting plate of hydraulic machinery then drives the turning axle rotation.
After yet multichannel hydraulic gyration joint in the past connects the hydraulic pipe line and circuit of standing part and rotating part in hydraulic system and the circuit; Can not let standing part and rotating part rotate 360 ° relatively; Cause pipeline and circuit to interfere; And oil circuit is upper and lower not smooth, each oil circuit and circuit operation series connection.
And swivel coupling in the past is relatively poor with extraneous sealability; Extraneous dust creeps in the swivel coupling easily; Influenced the performance of swivel coupling, and the oil in the swivel coupling spills easily also, solid of rotation in the swivel coupling and turning axle are relatively rotated also produced influence; Need often oil, increase working strength of workers.
Summary of the invention
The purpose of the utility model is to overcome above-mentioned deficiency; Provide a kind of dust to be difficult for getting into; Oil is difficult for spilling; Can rotate 360 ° relatively between standing part and the rotating part in hydraulic system and the circuit, and oil circuit is upper and lower unimpeded, the multichannel hydraulic gyration joint that each oil circuit and circuit operation are not connected.
The purpose of the utility model is achieved in that
The utility model multichannel hydraulic gyration joint; Comprise solid of rotation and turning axle; Said turning axle is made up of upper pipeline linkage section and following construction section; Said construction section down 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, and said turning axle axially offers four working connection holes and a low pressure oil circuit hole; The upper end-hole in said four working connection holes is distributed on the circumferential surface of upper end of turning axle; Radially have on the said solid of rotation four main hydraulic fluid ports with turning axle on corresponding one by one being connected of four working connection holes, radially have a low pressure hydraulic fluid port on the said solid of rotation and be connected with low pressure oil circuit hole on the turning axle, radially have a low pressure hydraulic fluid port on the upper pipeline linkage section of said turning axle and be connected with low pressure oil circuit hole on the turning axle.
Be provided with the water seal circle between said solid of rotation upper end and the turning axle; The lower end of said solid of rotation is provided with end cap; Said end cap is provided with O type circle I through being bolted to the lower end of solid of rotation between the lower end of said solid of rotation and the end cap, be provided with back-up ring and circlip for shaft between the lower end of the lower end of said solid of rotation and following construction section; In the annular groove between said solid of rotation and the following construction section rotating seal ring and dust ring are housed; The side that this dust ring contacts with turning axle is provided with up and down two lips, forms the lips mouth, should be up and down two lips all be adjacent to the outer wall of turning axle.
The termination, upper end in said low pressure oil circuit hole is blocked with plug, and the lower end in said four working connection holes is through bolt and the sealing of O type circle II.
Compared with prior art, the beneficial effect of the utility model is:
This multichannel hydraulic gyration joint can connect the hydraulic pipe line and the circuit of standing part and rotating part in whole hydraulic system and the circuit; And make standing part and rotating part can rotate 360 ° relatively; Pipeline and circuit just can not interfere; It is unimpeded that upper and lower oil circuit and circuit can keep, and each oil circuit and circuit operation are not connected.And this multichannel hydraulic gyration joint provides multichannel oil circuit and multiplex circuit, makes excavator, loader can carry out more complicated actions, has improved its applicability.And this hydraulic gyration joint is made lips degree of lip-rounding formula with dust ring; The one side that this dust ring contacts with turning axle is provided with two lips up and down, and the top and the turning axle of two lips fit tightly up and down, makes extraneous dust be difficult for creeping in the swivel coupling; And oil can not spill internally; Thereby guaranteed the performance of swivel coupling, need not often to oil, reduced working strength of workers.
Description of drawings
Fig. 1 is the Facad structure schematic representation of the utility model multichannel hydraulic gyration joint.
Fig. 2 is the I-I sectional view of Fig. 1.
Fig. 3 is the plan view of Fig. 1.
Fig. 4 is the worm's eye view of Fig. 1.
Fig. 5 is the structural representation of dust ring among Fig. 2.
Wherein: solid of rotation 1, turning axle 2, upper pipeline linkage section 2.1, following construction section 2.2, water seal circle 3, end cap 4, O type circle I 5, back-up ring 6, circlip for shaft 7, rotating seal ring 8, dust ring 9, lip 9.1, plug 10, bolt 11, O type circle II 12.
Embodiment
Referring to Fig. 1 to Fig. 5, the utility model relates to a kind of multichannel hydraulic gyration joint, 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; Said construction section 2.2 down inserts in the solid of rotation 1 from the top axial of solid of rotation 1, and the lower end of said solid of rotation 1 is lower than the horizontal position of construction section 2.2 lower ends down, 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 turning axle 2; Be used to prevent gas leak or entering, the lower end of said solid of rotation 1 is provided with end cap 4, and said end cap 4 is through being bolted to the lower end of solid of rotation 1; Be provided with O type circle I 5 between the lower end of said solid of rotation 1 and the end cap 4; Be provided with back-up ring 6 and circlip for shaft 7 between the lower end of the lower end of said solid of rotation 1 and following construction section 2.2, rotating seal ring 8 and dust ring 9 are housed in the annular groove between said solid of rotation 1 and the following construction section 2.2, the side that this dust ring 9 contacts with turning axle 2 is provided with two lips 9.1 up and down; Form the lips mouth, should be up and down two lips 9.1 all be adjacent to the outer wall of turning axle 2.Make extraneous dust be difficult for creeping in the swivel coupling, and oil can not spill internally, thereby guarantee the performance of swivel coupling, need not often to oil, reduce working strength of workers.
Like Fig. 2; Said turning axle 2 axially offers four working connection holes and a low pressure oil circuit hole; Said four working connection holes are A hole, B hole, C hole and the D hole among Fig. 1, Fig. 2 and Fig. 3; Said low pressure oil circuit hole is the E hole among Fig. 2 and Fig. 3, and the upper end-hole in said four working connection holes is distributed on the circumferential surface of upper end of turning axle 2, and said low pressure oil circuit hole E is located between B hole and the D hole; The termination, upper end of said low pressure oil circuit hole E is blocked with plug 10, and the lower end in said four working connection holes is through bolt 11 and 12 sealings of O type circle II.
Like Fig. 1 and Fig. 2; Corresponding to four working connection holes and the low pressure oil circuit hole E on the turning axle 2; Radially have on the said solid of rotation 1 four main hydraulic fluid ports with turning axle 2 on corresponding one by one being connected of four working connection holes; Said four main hydraulic fluid ports are A mouth, B mouth, C mouth and D mouth; Radially have a low pressure oil crossing E on the said solid of rotation 1 and be connected, radially have a low pressure oil crossing E ' on the upper pipeline linkage section 2.1 of said turning axle 2 and be connected with low pressure oil circuit hole E on the turning axle 2 with low pressure oil circuit hole E on the turning axle 2.
Claims (2)
1. multichannel hydraulic gyration joint; 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); Said construction section (2.2) down 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); Said turning axle (2) axially offers four working connection holes and a low pressure oil circuit hole, and the upper end-hole in said four working connection holes is distributed on the circumferential surface of upper end of turning axle (2), radially have on the said solid of rotation (1) four main hydraulic fluid ports with turning axle (2) on corresponding one by one being connected of four working connection holes; Radially have a low pressure hydraulic fluid port on the said solid of rotation (1) and be connected, radially have a low pressure hydraulic fluid port on the upper pipeline linkage section (2.1) of said turning axle (2) and be connected with low pressure oil circuit hole on the turning axle (2) with low pressure oil circuit hole on the turning axle (2);
Be provided with water seal circle (3) between said solid of rotation (1) upper end and the turning axle (2); The lower end of said solid of rotation (1) is provided with end cap (4); Said end cap (4) is through being bolted to the lower end of solid of rotation (1); Be provided with O type circle I (5) between the lower end of said solid of rotation (1) and the end cap (4); Be provided with back-up ring (6) and circlip for shaft (7) between the lower end of the lower end of said solid of rotation (1) and following construction section (2.2), rotating seal ring (8) and dust ring (9) are housed in the annular groove between said solid of rotation (1) and the following construction section (2.2), the side that this dust ring (9) contacts with turning axle (2) is provided with two lips (9.1) up and down; Form the lips mouth, two lips (9.1) all are adjacent to the outer wall of turning axle (2) up and down.
2. a kind of multichannel hydraulic gyration joint according to claim 1 is characterized in that: the termination, upper end in said low pressure oil circuit hole is blocked with plug (10), and the lower end in said four working connection holes is through bolt (11) and O type circle II (12) sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203991309U CN202302480U (en) | 2011-10-19 | 2011-10-19 | Multi-channel hydraulic gyrating joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203991309U CN202302480U (en) | 2011-10-19 | 2011-10-19 | Multi-channel hydraulic gyrating joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202302480U true CN202302480U (en) | 2012-07-04 |
Family
ID=46371374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203991309U Expired - Lifetime CN202302480U (en) | 2011-10-19 | 2011-10-19 | Multi-channel hydraulic gyrating joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202302480U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084227A (en) * | 2014-05-23 | 2015-11-25 | 埃普斯隆起重机有限公司 | Crane |
-
2011
- 2011-10-19 CN CN2011203991309U patent/CN202302480U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084227A (en) * | 2014-05-23 | 2015-11-25 | 埃普斯隆起重机有限公司 | Crane |
| CN105084227B (en) * | 2014-05-23 | 2017-08-22 | 埃普斯隆起重机有限公司 | Crane |
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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 | ||
| 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. |
|
| CP02 | Change in the address 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 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |