CN201386712Y - Hydraulic center revolving body - Google Patents
Hydraulic center revolving body Download PDFInfo
- Publication number
- CN201386712Y CN201386712Y CN200820180240U CN200820180240U CN201386712Y CN 201386712 Y CN201386712 Y CN 201386712Y CN 200820180240 U CN200820180240 U CN 200820180240U CN 200820180240 U CN200820180240 U CN 200820180240U CN 201386712 Y CN201386712 Y CN 201386712Y
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- Prior art keywords
- rotation
- solid
- turning axle
- hydraulic pressure
- center
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Abstract
The utility model discloses a hydraulic center revolving body which consists of a revolving body, a revolving shaft and an end cap, wherein the revolving shaft is inserted into the revolving body in the axial direction from the front end of the revolving body; the front end of the revolving shaft extends out of the revolving body; the end cap is fixed on the back end of the revolving body and the revolving shaft; the revolving shaft is provided with eight oil passage holes with different depths in the axial direction from the front end to the back end, wherein one oil passage hole is formed in the center of the revolving shaft, and is used as a center oil drain hole; the rest seven oil passages are uniformly distributed on the periphery of the center oil drain hole, and are used as main oil passage holes; and seven main oil holes which are in one-to-one correspondence with seven main oil passage holes of the revolving shaft are formed on the revolving body. The utility model belongs to an eight-passage hydraulic center revolving body, and has the advantages that rotating parts of a hydraulic excavator, a crane, a helical digging and drilling machine and the like can rotate 360 degrees correspondingly to fixed parts, pipelines have no interference, both upper oil passages and lower oil passages are smooth, and actions of each oil passage are not in serial connection.
Description
Technical field
The utility model relates to the central solid of rotation of a kind of hydraulic pressure.Being mainly used in the whole hydraulic systems such as excavator, hoist, rotary drilling rig, is to connect the hydraulic pipe line of fixing in the whole hydraulic system with rotating part.
Background technique
Hydraulic shovel, hoist, rotary drilling rig etc., two-part are need be rotating about it, just there is the oil circuit connectivity problem of rotating part and standing part in this, and hydraulic pressure central authorities solid of rotation is exactly to be used for connecting the hydraulic pipe line of fixing in the whole hydraulic system with rotating part.
Conventional hydraulic shovel, hoist, rotary drilling rig etc., two-part revolution is to adopt the traction of monotubular formula oil cylinder about it, and angle of swing is generally at 50～80 °, and the angle of revolution is little, the operation and maintenance inconvenience, pipeline interferes easily, and pipeline is short working life.
The model utility content
The utility model technical issues that need to address just are to overcome the defective of prior art, provide a kind of hydraulic pressure central solid of rotation, it is the central solid of rotation of a kind of eight passage hydraulic pressure, it can make rotating parts such as hydraulic shovel, hoist, rotary drilling rig can rotate 360 ° relatively with standing part, pipeline does not interfere, upper and lower oil circuit is unimpeded, and each oil circuit action is not connected.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
A kind of hydraulic pressure of the utility model central authorities solid of rotation, the central solid of rotation of described hydraulic pressure is made of solid of rotation, turning axle and end cap, described turning axle axially inserts in the solid of rotation from the solid of rotation front end, and the turning axle front end stretches out outside the solid of rotation, and end cap is fixed in the rear end of solid of rotation and turning axle.
Turning axle described in the utility model axially offers eight oil circuit holes that the depth is different to the back-end by front end, center that is arranged in turning axle wherein, be draining hole, center, all the other seven peripheries that are distributed in draining hole, center, be the working connection hole, it is corresponding one by one with seven working connection holes on the turning axle to have seven main hydraulic fluid ports on the solid of rotation.
Set dust ring and multiple tracks rotating seal ring and O-ring seals between turning axle outer rim described in the utility model and the solid of rotation endoporus.
Working connection described in the utility model hole nose end is by the screw plug shutoff, and O-ring seals is installed.
End cap described in the utility model is bolted to connection in the rear end of solid of rotation and turning axle.
Between turning axle described in the utility model rear end and the end cap pad is installed, spacer, circlip and O-ring seals are installed between solid of rotation rear end and the end cap.
During use, the revolution lower bolster of solid of rotation and hydraulic shovel, hoist, rotary drilling rig machinery is fixed, and the revolution on the revolution upper mounting plate of turning axle upper mounting plate and hydraulic shovel, hoist, rotary drilling rig machinery is supported and is connected.Hydralic hose is installed on respectively on each hydraulic fluid port of solid of rotation and turning axle.The upper mounting plate of hydraulic shovel, hoist, rotary drilling rig machinery drives the turning axle rotation.
The whole hydraulic system of the utility model is connected with upper and lower pipeline by solid of rotation, make hydraulic shovel, hoist, upper and lower two parts of rotary drilling rig machinery have 360 ° of relative rotation motions, pipeline does not interfere, and upper and lower oil circuit is unimpeded, and each oil circuit action is not connected.
And the utility model central authorities swivel coupling can provide the oil circuit of eight passages, not only can also make the function of excavator more comprehensive for the dozer oil cylinder provides oil circuit on this basis for running motor provides oil circuit.
Description of drawings
Fig. 1 is the central solid of rotation internal structure of a hydraulic pressure described in the utility model schematic representation.
Fig. 2 is the worm's eye view of Fig. 1.
Among the figure: 1, solid of rotation; 2, turning axle; 3, end cap; 4, spacer; 5, pad; 6, pad; 7, rotating seal ring; 8, dust ring; 9, O-ring seals; 10, O-ring seals; 11, circlip; 12, bolt; 13, check ring; 14, screw plug; 15, screw plug; 16, O-ring seals; 17, O-ring seals.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearer, the utility model mode of execution is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of hydraulic pressure of the utility model central authorities solid of rotation, the central solid of rotation of described hydraulic pressure is made of solid of rotation 1, turning axle 2 and end cap 3, described turning axle axially inserts in the solid of rotation from the solid of rotation front end, sets dust ring 8, multiple tracks rotating seal ring 7 and O-ring seals 9 between described turning axle outer rim and the solid of rotation endoporus.The turning axle front end stretches out outside the solid of rotation, and end cap is fixedly connected on the rear end of solid of rotation and turning axle by bolt 12, and bolt is equipped with check ring 13.Pad 6 is installed between turning axle rear end and the end cap, O-ring seals 10, circlip 11, spacer 4 and pad 5 are installed between solid of rotation rear end and the end cap.
As depicted in figs. 1 and 2, described turning axle axially offers eight oil circuit holes that the depth is different to the back-end by front end, center that is arranged in turning axle wherein, as the G hole among Fig. 1, be draining hole, center, all the other seven peripheries that are distributed in draining hole, center are referred to as the working connection hole, as the A hole among Fig. 1, B hole, C hole, D hole, E hole, F hole and H hole.Corresponding to seven working connection holes on the turning axle, it is corresponding one by one with seven working connection holes on the turning axle also to have seven main hydraulic fluid ports on the solid of rotation, as the A1 mouth among Fig. 1 and Fig. 2, B1 mouth, C1 mouth, D1 mouth, E1 mouth, F1 mouth and H1 mouth.As shown in Figure 1, working connection hole nose end is blocked with screw plug 14,15, and O- ring seals 16,17 assurance sealings are installed.A, B, C, D, E, F, H mouth oil circuit are fuel-displaced through solid of rotation and turning axle.
During use, the revolution lower bolster of solid of rotation and hydraulic shovel, hoist, rotary drilling rig machinery is fixed, and the revolution on the revolution upper mounting plate of turning axle upper mounting plate and hydraulic shovel, hoist, rotary drilling rig machinery is supported and is connected.Hydralic hose is installed on respectively on each hydraulic fluid port of solid of rotation and turning axle.The upper mounting plate of hydraulic shovel, hoist, rotary drilling rig machinery drives the turning axle rotation.
The whole hydraulic system of the utility model is connected with upper and lower pipeline by solid of rotation, make hydraulic shovel, hoist, upper and lower two parts of rotary drilling rig machinery have 360 ° of relative rotation motions, pipeline does not interfere, and upper and lower oil circuit is unimpeded, and each oil circuit action is not connected.
And the utility model central authorities swivel coupling can provide the oil circuit of eight passages, not only can also make the function of excavator more comprehensive for the dozer oil cylinder provides oil circuit on this basis for running motor provides oil circuit.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (6)
1, the central solid of rotation of a kind of hydraulic pressure, it is characterized in that: the central solid of rotation of described hydraulic pressure is made of solid of rotation, turning axle and end cap, described turning axle axially inserts in the solid of rotation from the solid of rotation front end, and the turning axle front end stretches out outside the solid of rotation, and end cap is fixed in the rear end of solid of rotation and turning axle.
2, the central solid of rotation of hydraulic pressure as claimed in claim 1, it is characterized in that: described turning axle axially offers eight oil circuit holes that the depth is different to the back-end by front end, center that is arranged in turning axle wherein, be draining hole, center, all the other seven peripheries that are distributed in draining hole, center, be the working connection hole, it is corresponding one by one with seven working connection holes on the turning axle to have seven main hydraulic fluid ports on the solid of rotation.
3, the central solid of rotation of described hydraulic pressure as claimed in claim 2 is characterized in that: set dust ring and multiple tracks rotating seal ring and O-ring seals between turning axle outer rim and the solid of rotation endoporus.
4, described hydraulic pressure as claimed in claim 3 central authorities solid of rotation is characterized in that: described working connection hole nose end is by the screw plug shutoff, and O-ring seals is installed.
5, the central solid of rotation of described hydraulic pressure as claimed in claim 4, it is characterized in that: described end cap is bolted to connection in the rear end of solid of rotation and turning axle.
6, the central solid of rotation of described hydraulic pressure as claimed in claim 5 is characterized in that: between described turning axle rear end and the end cap pad is installed, spacer, circlip and O-ring seals are installed between solid of rotation rear end and the end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820180240U CN201386712Y (en) | 2008-12-01 | 2008-12-01 | Hydraulic center revolving body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820180240U CN201386712Y (en) | 2008-12-01 | 2008-12-01 | Hydraulic center revolving body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201386712Y true CN201386712Y (en) | 2010-01-20 |
Family
ID=41579246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200820180240U Expired - Fee Related CN201386712Y (en) | 2008-12-01 | 2008-12-01 | Hydraulic center revolving body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201386712Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102030275A (en) * | 2011-01-28 | 2011-04-27 | 岳阳科德科技有限责任公司 | Composite multi-channel hydraulic center revolving body |
| CN105299356A (en) * | 2015-12-09 | 2016-02-03 | 中冶陕压重工设备有限公司 | Seven-channel rotating joint device |
-
2008
- 2008-12-01 CN CN200820180240U patent/CN201386712Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102030275A (en) * | 2011-01-28 | 2011-04-27 | 岳阳科德科技有限责任公司 | Composite multi-channel hydraulic center revolving body |
| CN105299356A (en) * | 2015-12-09 | 2016-02-03 | 中冶陕压重工设备有限公司 | Seven-channel rotating joint device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGYIN CHANGLING MACHINERY MANUFACTURING CO., LT Free format text: FORMER OWNER: CHANGLING HYDRAULIC PRESS PLANT, JIANGYIN CITY Effective date: 20110314 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 214423 NO. 1, DAYUANLI ROAD, DEVELOPMENT AREA, YUNTING TOWN, JIANGYIN CITY, JIANGSU PROVINCE TO: 214423 NO. 1, DAYUANLI ROAD, YUNTING DEVELOPMENT AREA, JIANGYIN CITY, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110314 Address after: 214423, No. 1 Park Road, Jiangyin, Jiangsu Patentee after: Jiangyin Changling Machinery Manufacturing Co., Ltd. Address before: 214423, No. 1, Great Garden Road, development zone, cloud Pavilion Town, Jiangyin, Jiangsu Patentee before: Changling Hydraulic Press Plant, Jiangyin City |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100120 Termination date: 20171201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |