CN209130363U - A kind of modularization center-rotary joint - Google Patents
A kind of modularization center-rotary joint Download PDFInfo
- Publication number
- CN209130363U CN209130363U CN201821989830.1U CN201821989830U CN209130363U CN 209130363 U CN209130363 U CN 209130363U CN 201821989830 U CN201821989830 U CN 201821989830U CN 209130363 U CN209130363 U CN 209130363U
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- Prior art keywords
- oil
- protecting crust
- stator
- plug
- electric valve
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Abstract
A kind of modularization center-rotary joint, including conductive module and Oil Guide module；Conductive module includes conducting ring, plug, current collection beam, electric valve and protecting crust, conducting ring includes stator and brush, stator and brush are connected with coupled modes, stator is bolted on inside protecting crust, brush is fixedly linked with plug, protecting crust side is provided with electric valve, and stator is connected with electric valve by current collection beam；Oil Guide module includes partition, rotating shaft, revolving shell and electric valve, is provided with several cricoid oil grooves on the inside of revolving shell, cricoid oil sealing is provided between oil groove, the oil duct through revolving shell is provided in oil groove, the other end of oil duct is set to oil inlet；Two modules are bolted, and Oil Guide and conduction are separated, and prevent mutual interference；It realizes plug-in and plugs into and only need to connect on cable on upper and lower two electric valves, effectively prevent abrasion of the cable in swivel joint, prevent the electric leakage accident generated by abrasion.
Description
Technical field:
The utility model relates to hydraulic device technical field, more specifically a kind of modularization center-rotary joint.
Background technique:
When the chassis of big machinery and portion of upper body do opposite rotary motion, need to guarantee back by center-rotary joint
The supply of hydraulic circuit when transhipment is dynamic, while needing to increase conducting ring also sometimes to prevent in rotary motion process middle line
Shu Fasheng winding.When big machinery does revolution movement, hydraulic oil is conveyed to by large arm by central joint, passes through conducting ring
It transmits electric power to control electrical equipment on chassis and top such as car light, whistle etc..
The current most center-rotary joint with conducting ring is all that cable is directly passed through doing for center-rotary joint
Method, after the permanent rotary motion used, often serious abrasion can occur for cable, easily generation electric leakage accident, while
It is more troublesome when installing, overhauling, it is time-consuming and laborious.
Summary of the invention:
To solve the above problems, overcome the deficiencies in the prior art, the utility model provides a kind of electric sub-module of oil, will not
The modularization center-rotary joint for causing cable to wear.
To achieve the above object, a kind of modularization center-rotary joint provided by the utility model, including conductive module and
Oil Guide module；
Conductive module includes conducting ring, plug, current collection beam, electric valve and protecting crust, and conducting ring includes stator and brush, is determined
Son and brush connected with coupled modes, stator is set as cyclic structure, and stator is bolted on inside protecting crust, brush with
Plug is fixedly linked, and plug is arranged in protecting crust lower end, and protecting crust side is provided with electric valve, and stator and electric valve pass through current collection
Beam is connected；
Oil Guide module includes partition, rotating shaft, revolving shell and electric valve, is provided with several cricoid oil on the inside of revolving shell
Slot is provided with cricoid oil sealing between adjacent oil groove, the oil duct through revolving shell, the other end of oil duct is provided in oil groove
It is set to oil inlet；Swivel sleeve is located inside revolving shell, and one end of rotating shaft is provided with several oil outlets, inside rotating shaft
Several drainback passages are provided with, one end of drainback passage is corresponding with oil groove positions, the other end and the oil outlet phase of drainback passage
Even；Partition is arranged in rotating shaft one end, and partition is provided with electrical outlet at center；The rotating shaft other end is provided with electric valve, in rotating shaft
It is provided with electric beam passage in mandrel, current collection beam is provided in electric beam passage, electrical outlet and electric valve pass through current collection Shu Xianglian；
Plug is connected with partition by hexagon-headed bolt, and protecting crust is connected with revolving shell by bolt.
Further, stator and brush are divided into the identical conductive sector of several areas, adjacent conductive fan from top to bottom
Separated between area by insulating trip.
Further, it is provided with O-ring and framework ring between rotating shaft and revolving shell, is provided on the inside of framework ring dust-proof
Circle.
Further, plug is connected by way of plug with electrical outlet.
Further, protecting crust is provided with two-layer stratigraphic structure, the outer layer of protecting crust be provided for preventing external impacts and
The hard shell of rain-proof, the internal layer of protecting crust are provided for the soft shell of insulation.
Further, protecting crust and revolving shell intersection are provided with the O-ring for preventing oil liquid from entering protecting crust.
The beneficial effects of the utility model are:
Modularization center-rotary joint provided by the utility model, is divided into conductive module and Oil Guide module, and two modules are logical
It crosses and is bolted, Oil Guide and conduction are separated, prevent mutual interference；Simultaneously by the current collection beam in module, realize
Plug-in, which is plugged into, only to be needed to connect on cable on upper and lower two electric valves, effectively prevents abrasion of the cable in swivel joint,
Prevent the electric leakage accident generated by abrasion.
Conductive module outer layer is protecting crust, and protecting crust is double-layer structure, and the effect of the hard shell of outer layer is to prevent external force
Impact failure and waterproof, the effect of the soft shell of internal layer are insulation, prevent from leaking electricity；It is conducting ring, stator inside conductive module
It is fixed together with protecting crust, brush is fixedly connected with electrical outlet, can be relatively rotated between stator and brush and be coupled forever
Connection, holding circuit is unobstructed while realizing 360 degree of rotations of brush；Stator and rotor are all divided into the identical conduction of several areas
Sector, between by insulating trip divide, realize the transmission of a plurality of circuit；Each conductive sector of stator individually connects one
Electric beam, it is all electricity beams be concentrated into current collection beam, be connected with electric valve, on electric valve be provided with connect identical with conductive sector quantity
Mouthful, facilitate independent wiring；Not only be able to achieve the separation of a plurality of route in this way, and conductive module internal structure connection and reasonable arrangement,
Neatly.Plug can be connect with the electrical outlet of Oil Guide module by plug mode, be provided on plug and electrical outlet with
Quantity identical interface in conductive sector realizes route separation.
Oil Guide module top is provided with electrical outlet, can cooperate with plug, realizes fast insert-pull and modularization segmentation；Lower part
It is provided with electric valve, electric valve can directly be connected with cable, to reduce the friction between cable and central street corner；Electric valve and electric mortiser
By electric beam passage and current collection Shu Xianglian between mouthful, enables and separated in Oil Guide inside modules electricity and oil, do not done between each other
It disturbs；Oil sealing is provided between revolving shell and rotating shaft so that do not interfere with each other mutually between each oil groove, be additionally provided with O-ring,
Framework ring and dustband effectively prevent external dust to enter swivel joint, reduce the abrasion therefore generated；
It is provided with O-ring between protecting crust and revolving shell, prevents lubricating oil from penetrating into conductive module and causes conductive module
Operation irregularity；Plug can be connected with partition by hexagon-headed bolt, brush is connect with rotating shaft it is integral, protecting crust and
Revolving shell can be bolted, stator is connect with revolving shell it is integral, to realize stator and revolution at work
Shell is fixed, brush and rotating shaft synchronous rotary；
Connection and dismantling between conductive module and Oil Guide module are quite convenient to fast, without the arrangement of route, reduce
The fussy degree of work, it is easy to maintain.
Detailed description of the invention:
Attached drawing 1 is the structural schematic diagram of the utility model；
Attached drawing 2 is the Oil Guide modular structure schematic diagram of the utility model；
Attached drawing 3 is the conductive module structural schematic diagram of the utility model；
In attached drawing: 1, rotating shaft, 2, revolving shell, 3, oil sealing, 4, framework ring, 5, dustband, 6, O-ring, 7, conducting ring,
7-1, stator, 7-2, brush, 8, plug, 9, electrical socket, 10, current collection beam, 11, electric beam passage, 12, electric valve, 13, partition, 14,
Hexagon-headed bolt, 15, protecting crust, 16, oil groove, 17, oil duct, 18, drainback passage, 19, oil inlet, 20, oil outlet.
Specific embodiment:
To keep the purposes, technical schemes and advantages of the utility model implementation clearer, below in conjunction with the utility model
Attached drawing 1, attached drawing 2 and attached drawing 3, the utility model is further described in more detail.
Modularization center-rotary joint provided by the utility model, including conductive module and Oil Guide module；Conductive module packet
Conducting ring 7, plug 8, current collection beam 10, electric valve 12 and protecting crust 15 are included, conducting ring 7 includes stator 7-1 and brush 7-2, stator
7-1 is connect with brush 7-2 with coupled modes, and stator 7-1 is set as cyclic structure, and stator 7-1 is bolted on protecting crust
Inside 15, brush 7-2 is fixedly linked with plug 8, and plug 8 is arranged in 15 lower end of protecting crust, and 15 side of protecting crust is provided with
Electric valve 12, stator 7-1 are connected with electric valve 12 by current collection beam 10；Oil Guide module includes partition 13, rotating shaft 1, revolving shell 2
With electric valve 12, several cricoid oil grooves 16 are provided on the inside of revolving shell 2, are provided with cricoid oil sealing between adjacent oil groove 16
3, the oil duct 17 through revolving shell 2 is provided in oil groove 16, the other end of oil duct 17 is set to oil inlet 19；1 set of rotating shaft
It is located inside revolving shell 2, one end of rotating shaft 1 is provided with several oil outlets 20, and it is logical that rotating shaft 1 is internally provided with several oil returns
The one end in road 18, drainback passage 18 is corresponding with 16 position of oil groove, and the other end of drainback passage 18 is connected with oil outlet 20；Revolution
Partition 13 is arranged in 1 one end of axis, and partition is provided with electrical outlet 9 at 13 center；1 other end of rotating shaft is provided with electric valve 12, rotating shaft 1
It is provided with electric beam passage 11 on central axis, current collection beam 10 is provided in electric beam passage 11, electrical outlet 9 and electric valve 12 pass through current collection beam
10 are connected；Plug 8 is connected with partition 13 by hexagon-headed bolt 14, and protecting crust 15 is connected with revolving shell 2 by bolt；It is fixed
Sub- 7-1 and brush 7-2 is divided into the identical conductive sector of several areas from top to bottom, passes through insulation between adjacent conductive sector
Piece separates；It is provided with O-ring 6 and framework ring 4 between rotating shaft 1 and revolving shell 2, dustband 5 is provided on the inside of framework ring 4；
Plug 8 is connected by way of plug with electrical outlet 9；Protecting crust 15 is provided with two-layer stratigraphic structure, and the outer layer of protecting crust 15 is set
It is set to the hard shell for preventing external impacts and rain-proof, the internal layer of protecting crust 15 is provided for the soft shell of insulation；
Protecting crust 15 and 2 intersection of revolving shell are provided with the O-ring 6 for preventing oil liquid from entering protecting crust 15.
One of embodiment of the utility model is as follows:
Modularization center-rotary joint provided by the utility model, is divided into conductive module and Oil Guide module, and two modules are logical
It crosses and is bolted；By the current collection beam 10 in module, realizes plug-in and plug into and only need to connect on cable in upper and lower two electric valves 12
It is upper.
Conductive module outer layer is protecting crust 15, and protecting crust 15 is double-layer structure, and the effect of the hard shell of outer layer is to prevent
External impacts damage and waterproof, the effect of the soft shell of internal layer are insulation, prevent from leaking electricity；It is conducting ring 7 inside conductive module,
Stator 7-1 is fixed together with protecting crust 15, and brush 7-2 is fixedly connected with electrical outlet 9, can be between stator 7-1 and brush 7-2
It relatively rotates and is of coupled connections forever, holding circuit is unobstructed while realizing brush 7-2 rotation；Stator 7-1 and rotor all divide
For the identical conductive sector of several areas, between divided by insulating trip, realize the transmission of a plurality of circuit；Stator 7-1's is every
A conductive sector all individually connects an electric beam, and all electricity beams are concentrated into current collection beam 10, are connected with electric valve 12, on electric valve 12
Be provided with interface identical with conductive sector quantity, facilitate independent wiring.The electrical outlet 9 of plug 8 and Oil Guide module can lead to
It crosses plug mode to connect, interface identical with conductive sector quantity is provided on plug 8 and electrical outlet 9, realize route
Separation.
Oil Guide module top is provided with electrical outlet 9, can cooperate with plug 8, realizes fast insert-pull and modularization segmentation；Under
Portion is provided with electric valve 12, and electric valve 12 can directly be connected with cable；Pass through 11 sum aggregate of electric beam passage between electric valve 12 and electrical outlet 9
Electric beam 10 is connected, mutually separated in Oil Guide inside modules electricity and oil；Oil sealing 3 is provided between revolving shell 2 and rotating shaft 1,
So that not interfere with each other mutually between each oil groove 16, it is additionally provided with O-ring 5, framework ring 4 and dustband, effectively prevent external dust
Into swivel joint, the abrasion therefore generated is reduced；
It is provided with O-ring 5 between protecting crust 15 and revolving shell 2, prevents lubricating oil from penetrating into conductive module and causes conduction
The operation irregularity of module；Plug 8 and partition 13 can be connected by hexagon-headed bolt 14, and brush 7-2 and rotating shaft 1 are connected into
Whole, protecting crust 15 and revolving shell 2 can be bolted, stator 7-1 is connect with revolving shell 2 it is integral, thus
Realize that stator 7-1 and revolving shell 2 are fixed when work, brush 7-2 and 1 synchronous rotary of rotating shaft；
Entire center-rotary joint is only divided into two modules, and not extra cable is compact-sized clean and tidy.
At work, plug 8 and electrical outlet 9 need to only be connected, while uses hexagon-headed bolt 14 by 8 He of plug
Partition 13 connects, and is connected protecting crust 15 and revolving shell 2 using bolt, later by several oil circuits and oil inlet 19.Oil outlet
Several cables are connected by 20 connections with two electric valves 12, and center-rotary joint is automatically performed the connection of oil circuit and circuit；
When the rotation of mechanical top, also relative rotation is transported between protecting crust 5 and revolving shell 2 and rotating shaft 1 and stator 7-1
It is dynamic, since oil duct 17 and oil groove 16 keep the state penetrated through at any time, so hydraulic oil can smoothly pass over center-rotary joint；
When hydraulic oil passes through center-rotary joint, hydraulic oil injects oil duct 17 from oil inlet 19, reinjects in oil groove 16, passes through later
Drainback passage 18 reaches oil outlet 20, reaches each hydraulic unit using hydraulic oil pipe；Electric current is passed through from the electric valve 12 of lower part, warp
The current collection beam 10 crossed in electric beam passage 11 flows to electrical outlet 9 and plug 8, is flowed at brush 7-2 later, revolves in brush 7-2
It is also transferred current on stator 7-1 simultaneously during turning, conducts the electric valve 12 on top by current collection beam 10 later, be transferred to
Each electrical component.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of modularization center-rotary joint, including conductive module and Oil Guide module；It is characterized by:
The conductive module includes conducting ring (7), plug (8), current collection beam (10), electric valve (12) and protecting crust (15), described
Conducting ring (7) includes stator (7-1) and brush (7-2), and the stator (7-1) is connect with brush (7-2) with coupled modes, described
Stator (7-1) is set as cyclic structure, and the stator (7-1) is bolted on protecting crust (15) inside, the brush (7-
2) it is fixedly linked with plug (8), the plug (8) is arranged in protecting crust (15) lower end, and protecting crust (15) side is set
It is equipped with electric valve (12), the stator (7-1) is connected with electric valve (12) by current collection beam (10)；
The Oil Guide module includes partition (13), rotating shaft (1), revolving shell (2) and electric valve (12), the revolving shell (2)
Inside is provided with several cricoid oil grooves (16), is provided with cricoid oil sealing (3), the oil between the adjacent oil groove (16)
The oil duct (17) through revolving shell (2) is provided in slot (16), the other end of the oil duct (17) is set to oil inlet (19)；
The rotating shaft (1) is set in revolving shell (2) inside, and one end of the rotating shaft (1) is provided with several oil outlets (20), institute
It states rotating shaft (1) to be internally provided with several drainback passages (18), one end and oil groove (16) position phase of the drainback passage (18)
Corresponding, the other end of the drainback passage (18) is connected with oil outlet (20)；Partition (13) are arranged in described rotating shaft (1) one end,
Electrical outlet (9) are provided at partition (13) center；Rotating shaft (1) other end is provided with electric valve (12), the revolution
It is provided with electric beam passage (11) on axis (1) central axis, is provided with current collection beam (10), the electrical outlet in the electricity beam passage (11)
(9) it is connected with electric valve (12) by current collection beam (10)；
The plug (8) is connected with partition (13) by hexagon-headed bolt (14), the protecting crust (15) and revolving shell (2)
It is connected by bolt.
2. modularization center-rotary joint according to claim 1, it is characterised in that: the stator (7-1) and brush (7-
2) it is divided into the identical conductive sector of several areas from top to bottom, is separated between the adjacent conductive sector by insulating trip.
3. modularization center-rotary joint according to claim 1, it is characterised in that: the rotating shaft (1) and revolution shell
It is provided with O-ring (6) and framework ring (4) between body (2), is provided with dustband (5) on the inside of the framework ring (4).
4. modularization center-rotary joint according to claim 1, it is characterised in that: the plug (8) and electrical outlet
(9) it is connected by way of plug.
5. modularization center-rotary joint according to claim 1, it is characterised in that: the protecting crust (15) is provided with double
Layered structure, the outer layer of the protecting crust (15) are provided for preventing the hard shell of external impacts and rain-proof, the protection
The internal layer of shell (15) is provided for the soft shell of insulation.
6. modularization center-rotary joint according to claim 1, it is characterised in that: the protecting crust (15) and revolution shell
Body (2) intersection is provided with the O-ring (6) for preventing oil liquid from entering protecting crust (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821989830.1U CN209130363U (en) | 2018-11-29 | 2018-11-29 | A kind of modularization center-rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821989830.1U CN209130363U (en) | 2018-11-29 | 2018-11-29 | A kind of modularization center-rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209130363U true CN209130363U (en) | 2019-07-19 |
Family
ID=67247366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821989830.1U Expired - Fee Related CN209130363U (en) | 2018-11-29 | 2018-11-29 | A kind of modularization center-rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209130363U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555548A (en) * | 2020-12-18 | 2021-03-26 | 徐州徐工随车起重机有限公司 | Novel central swivel joint for engineering machinery |
| WO2022021517A1 (en) * | 2020-07-31 | 2022-02-03 | 三一汽车制造有限公司 | Central swivel joint, hydraulic control system, and working vehicle |
-
2018
- 2018-11-29 CN CN201821989830.1U patent/CN209130363U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022021517A1 (en) * | 2020-07-31 | 2022-02-03 | 三一汽车制造有限公司 | Central swivel joint, hydraulic control system, and working vehicle |
| CN112555548A (en) * | 2020-12-18 | 2021-03-26 | 徐州徐工随车起重机有限公司 | Novel central swivel joint for engineering machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190719 Termination date: 20211129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |