CN202302482U - Multi-channel swivel joint capable of effectively keeping pressure - Google Patents
Multi-channel swivel joint capable of effectively keeping pressure Download PDFInfo
- Publication number
- CN202302482U CN202302482U CN2011204033699U CN201120403369U CN202302482U CN 202302482 U CN202302482 U CN 202302482U CN 2011204033699 U CN2011204033699 U CN 2011204033699U CN 201120403369 U CN201120403369 U CN 201120403369U CN 202302482 U CN202302482 U CN 202302482U
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- rotation
- solid
- turning axle
- ring
- low pressure
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Abstract
The utility model relates to a multi-channel swivel joint capable of effectively keeping pressure, which comprises a swivel body (1) and a swivel shaft (2), and is characterized in that: the swivel shaft (2) consists of an upper pipeline connection segment (2.1) and a lower installation segment (2.2), and the swivel shaft (2) is axially provided with four main oilway holes and a low-pressure oilway hole; a dustproof ring (9) is arranged in an annular groove arranged between the swivel body (1) and the lower installation segment (2.2), and a rotating sealing ring (8) consists of a dust scraping ring (8.1) and an O-shaped ring III (8.2); and the O-shaped ring III (8.2) is fixedly arranged on the dust scraping ring (8.1), and the dust scraping ring (8.1) is compacted on the swivel shaft (2). According to the multi-channel swivel joint capable of effectively keeping pressure, the swivel joint can be protected against damage caused by single-side oil pressure when the swivel joint works, a rotating part can rotate 360 degrees relative to a fixed part in a hydraulic system and a circuit, and oilways and circuits are not connected in series to work.
Description
Technical field
The utility model relates to a kind of multichannel swivel coupling of effectively pressurize; 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.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 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 swivel coupling 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 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.
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 hydraulic system and the circuit, and oil circuit is upper and lower unimpeded, the multichannel swivel coupling of the effectively pressurize that each oil circuit and circuit operation are not connected.
The purpose of the utility model is achieved in that
The utility model is the multichannel 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; 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; This rotating seal ring is made up of dust blowing ring and O type circle III, and O type circle III is fixed on the dust blowing ring, and the dust blowing ring is pressed on the 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:
The multichannel swivel coupling of this effectively pressurize 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 the multichannel swivel coupling of the effective pressurize of instinct provides multichannel oil circuit and multiplex circuit, makes excavator, loader can carry out more complicated actions, has improved its applicability.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 multichannel 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 worm's eye view of Fig. 1.
Fig. 5 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, 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 blowing ring 8.1, O type circle III 8.2, dust ring 9, 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 swivel coupling of effectively 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 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; Said upper pipeline linkage section 2.1 is exposed to solid of rotation 1, is provided with water seal circle 3 between said solid of rotation 1 upper end and the turning axle 2, is 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 provided with O type circle I 5 through being bolted to the lower end of solid of rotation 1 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, and this rotating seal ring 8 is made up of dust blowing ring 8.1 and O type circle III 8.2, and O type circle III 8.2 is fixed on the dust blowing ring 8.1; Dust blowing ring 8.1 plays the dust blowing effect; O type circle III 8.2 then provides pressure to dust blowing ring 8.1, guarantees that dust blowing ring 8.1 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 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. effective multichannel 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); 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), this rotating seal ring (8) is made up of dust blowing ring (8.1) and O type circle III (8.2); O type circle III (8.2) is fixed on the dust blowing ring (8.1), and dust blowing ring (8.1) is pressed on the turning axle (2).
2. the multichannel swivel coupling of a kind of effectively pressurize according to claim 1; It 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 |
|---|---|---|---|
| CN2011204033699U CN202302482U (en) | 2011-10-21 | 2011-10-21 | Multi-channel swivel joint capable of effectively keeping pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204033699U CN202302482U (en) | 2011-10-21 | 2011-10-21 | Multi-channel swivel joint capable of effectively keeping pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202302482U true CN202302482U (en) | 2012-07-04 |
Family
ID=46371376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204033699U Expired - Lifetime CN202302482U (en) | 2011-10-21 | 2011-10-21 | Multi-channel swivel joint capable of effectively keeping pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202302482U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217737A (en) * | 2021-05-12 | 2021-08-06 | 贵州詹阳动力重工有限公司 | Assembly method of all-terrain vehicle rotary joint and rotary joint |
-
2011
- 2011-10-21 CN CN2011204033699U patent/CN202302482U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217737A (en) * | 2021-05-12 | 2021-08-06 | 贵州詹阳动力重工有限公司 | Assembly method of all-terrain vehicle rotary joint and rotary joint |
| CN113217737B (en) * | 2021-05-12 | 2022-06-17 | 贵州詹阳动力重工有限公司 | Assembly method of all-terrain vehicle rotary joint and rotary 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 |