CN2751473Y - Multi-path central rotation joint for water/electricity/liquid - Google Patents
Multi-path central rotation joint for water/electricity/liquid Download PDFInfo
- Publication number
- CN2751473Y CN2751473Y CN 200420116479 CN200420116479U CN2751473Y CN 2751473 Y CN2751473 Y CN 2751473Y CN 200420116479 CN200420116479 CN 200420116479 CN 200420116479 U CN200420116479 U CN 200420116479U CN 2751473 Y CN2751473 Y CN 2751473Y
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- CN
- China
- Prior art keywords
- revolving body
- mandrel
- oil
- rotating body
- circuit
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- Expired - Fee Related
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Abstract
The utility model relates to a multi-path rotating connection used in a hydraulic system of an engineering machine. The utility model can implement that water under high pressure, pressure oil and electrical signal can be transported between two rotating components. A shifting piece assembly of the centre rotating connection drives rotors of a watercourse rotating body and a circuit rotating body to rotate synchronously with an oil circuit rotating body. A mandrel is in column shape and is equipped with a plurality of axial and radial passages. The watercourse rotating body is in cylindrate shape. A radial through hole of the watercourse rotating body is communicated with a radial water passage of the mandrel through an annular recess on the inner column surface. The oil circuit rotating body is also in cylindrate shape. A radial through hole of the oil circuit rotating body is communicated with a radial oil passage of the mandrel through an annular recess on the inner column surface. A stator of the circuit rotating body is superposed by stator superposing plates and conducting rings line-to-line. The conducting ring is buckled with a cable which opens onto a lower vehicle. The rotor of the circuit rotating body is superposed by rotor superposing plates. Each plate is inserted with a conductive filament whose one end is buckled with a cable which opens onto an upper vehicle and the other end contacts the conducting ring all along to realize the transportation of the electrical signal.
Description
The utility model relates to a kind of multipath that uses and is movably hinged pipe joint in construction machinery hydraulic system, claim centre revolving joint again.By it can on the revolving dial (hereinafter to be referred as getting on the bus) pressure oil, water under high pressure, the signal of telecommunication transport to fixed lower running mechanism or other equipment (hereinafter to be referred as getting off), perhaps the pressure oil on getting off, water under high pressure, the signal of telecommunication are transported to the equipment that is loaded on getting on the bus, the mutual control between realizing getting on the bus, getting off and the action of each equipment.
Centre revolving joint is to comprise the necessary important Hydraulic Elements of various engineering machinery such as crane, excavator.Common centre revolving joint is made of rotation fuse, shell and seal, and rotation fuse and revolving dial are connected, and follows the revolving dial revolution; Shell is connected with the chassis, with respect to the chassis for maintaining static.The top oil pipe is installed on the aperture of rotation fuse upper end, and these apertures communicate with radial hole on the shell through the endoporus of axis directions and radial hole, and the radial hole on the shell links to each other with the bottom oil pipe.In order to make the rotation fuse when turning round, oilhole on it still can keep communicating with corresponding hydraulic fluid port on the shell, with the radial hole corresponding section, respectively have annular oil groove on the inner cylinder face of shell, these oil grooves have guaranteed that shell communicates all the time with corresponding hydraulic fluid port on the rotation fuse.Certain structures adopts shell and revolving dial to be connected, and fuse is connected with the chassis.In order to prevent the leakage between each bar oil circuit and to leak outside, between each annular oil groove, also have annular seal groove, dress is with seal, and seal adopts square rubber ring and nylon ring, also available O-ring seals or other seal.General this centre revolving joint does not all have electric channel and aquaporin, can only finish the transmission of pressure oil.For special engineered vehicles such as high-altitude fire fighting truck, high-jetting vehicles, centre revolving joint then must be finished water, pressure oil, the signal of telecommunication and transmit between getting on the bus, getting off.The structure of the electrical signal paths of the centre revolving joint of this class vehicles and pressure oil channel types have seemingly just increased conducting ring and contact rod at present.Along with oil-gas suspension technology is increasingly mature more and more higher to trafficability characteristic, the driving comfort requirement of engineering vehicle with people, High-Performance Hoist also gradually adopts the automobile chassis that has oil-gas suspension technology, the vehicle control system complexity increases, need the quantity of the signal of telecommunication of transmission to get more and more, this will have abundant electrical signal paths by the centering swivel coupling, if will on the centre revolving joint of traditional structure, increase the quantity of electrical signal paths, be subjected to the restriction of centre revolving joint structure, be difficult to meet the demands.
The purpose of this utility model provides the multichannel centre revolving joint of a kind of compact conformation, dependable performance.The outstanding feature of this centre revolving joint is: volume is little, and electrical signal paths quantity is many.Adapt to the requirement of high-performance engineering vehicle control system, realize the safe and reliable transmission between getting on the bus, getting off of media such as pressure oil, water under high pressure, the signal of telecommunication, be applicable to various engineering vehicles such as crane, excavator, high-altitude fire fighting truck, high-jetting vehicle.
The purpose of this utility model is achieved in that this centre revolving joint is made of mandrel, water route revolving body, oil circuit revolving body, circuit revolving body, shifting fork assembly, seal six parts, mandrel is installed on the mounting panel of getting off with screw, and water route revolving body, oil circuit revolving body, circuit revolving body are assemblied on the mandrel successively.The oil circuit revolving body is positioned at the centre of circuit revolving body and water route revolving body, and shifting fork assembly is fastened on the oil circuit revolving body with screw, and when the oil circuit revolving body rotated with getting on the bus, the rotor that shift fork drives water route revolving body, circuit revolving body rotated synchronously.Mandrel is cylindrical, and a plurality of axial and radial passages are arranged above.The water route revolving body is a tubular, be installed in the bottom of mandrel, a through hole is radially arranged, have cannelure with the radial direction through hole corresponding section on the inner cylinder face, radial direction through hole by the radially aquaporin on cannelure and the mandrel, axially aquaporin communicates, and realizes the conveying of water under high pressure; The cannelure both sides have annular seal groove, and rotary seal is housed, and realize the sealing of water route revolving body and mandrel.The oil circuit revolving body is a tubular also, is installed in the top of mandrel, and four hydraulic fluid ports are radially arranged, on the inner cylinder face with hydraulic fluid port corresponding section radially, respectively have annular oil groove, these oil grooves guaranteed on oil circuit revolving body and the mandrel corresponding radial direction oil, axially oil duct communicates, and realizes the conveying of pressure oil; Also have annular seal groove between the annular oil groove, dress is realized the sealing of oil circuit revolving body and mandrel with seal.The circuit revolving body is connected on the upper surface of mandrel by top cover, it is made up of stator, rotor and shell three parts, stator is formed by stacking by the annular thin slice with insulation property is alternate with annular conductive rings, is fastened on the top cover with three screw rods, and snapping and led to the cable of getting off on the conducting ring; Rotor is formed by stacking by semicircular thin slice, be fastened on the end cap of circuit revolving body bottom with four screw rods, be inlaid with the rubber-like conductive filament on each thin slice, one end snapping of conductive filament and is led to the cable of getting on the bus, the other end contacts all the time with conducting ring, like this, when stator and rotor relatively rotate, just can realize the transmission of the signal of telecommunication.
Accompanying drawing 1 is the outline drawing of an embodiment of the present utility model.
1 screw one, 2 packing rings one, 3 mounting panels, 4 oil circuit revolving bodies, 5 circuit revolving bodies, 6 screws two, 7 shifting fork assemblies, 8 water route revolving bodies, 9 mandrels among the figure.
Accompanying drawing 2 is the cutaway view of accompanying drawing 1 illustrated embodiment.
10O shape circle one, 11 copper packings one, 12 water channel ports one, 13 copper packings two, 14 sealings, one, 15 copper packings three, 16 fixed blocks, 17 cables one, 18 top covers, 19 screws two, 20 cables two, 21 sealings two, 22O shape circle two, 23 water channel ports two among the figure.
Accompanying drawing 3 is accompanying drawing 2 partial enlarged drawings.
24 cushion blocks, 25 buckle closures, 26 pressing plates, 27 glands, 28 nuts, 29 packing rings two, 30 rotor superimposed sheets, 31 screw rods one, 32 stator superimposed sheets, 33 conducting rings, 34 conductive filaments, 35 rest pads, 36 bearings, 37 screw rods two, 38 back-up rings, 39 end caps, 40 screws three, 41 packing rings three, 42 housings among the figure.
Accompanying drawing 4 is A--A cutaway views of Fig. 2.
Accompanying drawing 5 is B--B cutaway views of Fig. 4.
43 plugs one among the figure.
Accompanying drawing 6 is C--C cutaway views of Fig. 4.
44 plugs two among the figure.
Accompanying drawing 7 is D--D cutaway views of Fig. 4.
45 plugs three among the figure.
In accompanying drawing 1, this centre revolving joint is made of mandrel (9), water route revolving body (8), oil circuit revolving body (4), circuit revolving body (5), shifting fork assembly (7), seal six parts, is fastened on the mounting panel (3) of getting off with screw one (1), packing ring one (2).Shifting fork assembly (7) is fastened on the oil circuit revolving body (4) with screw two (6), and when oil circuit revolving body (4) rotated with getting on the bus, the rotor that shifting fork assembly (7) drives water route revolving body (8), circuit revolving body (5) rotated synchronously.In accompanying drawing 2, mandrel (9) is cylindrical, and a plurality of axial and radial passages are arranged above, locates at water channel port two (23), and O shape circle one (10) is housed, and is used for realizing the sealing of centre revolving joint and external water pipe.Water route revolving body (8) is a tubular, be installed in the bottom of mandrel (9), have cannelure with water channel port one (12) corresponding section on the inner cylinder face, water channel port one (12) communicates with radially aquaporin and water channel port two (23) on the mandrel (9) by cannelure, realizes the conveying of water under high pressure; The cannelure both sides have two annular seal grooves, sealing two (21) and O shape circle two (22) are housed, the leakage of anti-sealing.Oil circuit revolving body (4) also is a tubular, be installed in the top of mandrel (9), four hydraulic fluid ports are radially arranged, on the inner cylinder face with hydraulic fluid port corresponding section radially, respectively have annular oil groove, these oil grooves guaranteed on oil circuit revolving body (4) and the mandrel (9) corresponding radial direction oil and axially oil duct communicate, realize the conveying of pressure oil; Also have annular seal groove between the annular oil groove, seal one (14) is installed, realize the sealing of oil circuit revolving body (4) and mandrel (9), prevent to scurry between the oil duct to lead to and leak with fluid.Circuit revolving body (5) is installed on the top cover (18), and top cover (18) is fastened on the upper surface of mandrel (9) with screw (19).Fixed block (16) is used for fixing and leads to the cable (20) of getting off, and prevents to damage because of external force makes cable snapping place.Copper packing one (11), copper packing two (13), copper packing three (15) are used for preventing the wearing and tearing on mandrel (9), water route revolving body (8), oil circuit revolving body (4) composition surface.In accompanying drawing 3, circuit revolving body (5) is by stator, rotor, shell three parts are formed, stator is by stator superimposed sheets (32) and alternate being formed by stacking of conducting ring (33), it is by with three screw rods (31), nut (28), two (29) and glands of packing ring (27) are fastened on the top cover (18), rest pad (35) is housed below the stator, be used for regulating the relative position of stator and rotor, make conductive filament (34) and corresponding conducting ring (33) on same plane of rotation, stator superimposed sheets (32) has insulation property, and the last snapping of conducting ring (33) and led to the cable (20) of getting off; Rotor is formed by stacking by rotor superimposed sheets (30), with four screw rods (37), nut (28), two (29) and pressing plates of packing ring (26) are fastened on the end cap (39), end cap (39) is by bearing (36), back-up ring (38) is connected on the top cover (18), rotor superimposed sheets (30) semicircular in shape, be inlaid with rubber-like conductive filament (34) on each rotor superimposed sheets (30), one end snapping of conductive filament (34) and is led to the connection cable one (17) of getting on the bus, the other end contacts all the time with conducting ring (33), like this, when stator and rotor relatively rotate, also can realize the transmission of the signal of telecommunication.For two conductive filaments (34) that do not make the rotor both sides are on the same plane of rotation, regulate the relative position of both sides rotor superimposed sheets (32) and rotor superimposed sheets (30) with cushion block (24).The shell of circuit revolving body is made up of buckle closure (25), housing (43), is fastened on screw three (41), packing ring three (42) on the end cap (39) of circuit revolving body bottom.In accompanying drawing 5, accompanying drawing 6, accompanying drawing 7, plug one (43), plug two (44), plug three (45) are used for sealing four axial oil ducts of mandrel (9), change the direction of hydraulic fluid port, avoid port connection and external water swivel to interfere.
Claims (6)
1, a kind of water power liquid multipath centre revolving joint, it is characterized in that: the circuit revolving body is connected the upper surface of mandrel by top cover, the oil circuit revolving body is sleeved on the top of mandrel, the water route revolving body is sleeved on the bottom of mandrel, shifting fork assembly is fastened on the oil circuit revolving body with screw, when the oil circuit revolving body rotated with getting on the bus, the rotor that shift fork drives water route revolving body, circuit revolving body rotated synchronously.
2, water power liquid multipath centre revolving joint according to claim 1, it is characterized in that: mandrel is cylindrical, and a plurality of axial and radial passages are arranged above.
3, water power liquid multipath centre revolving joint according to claim 1, it is characterized in that: the water route revolving body is a tubular, be installed in the bottom of mandrel, a through hole is radially arranged, have cannelure with the radial direction through hole corresponding section on the inner cylinder face, radial direction through hole by the radially aquaporin on cannelure and the mandrel, axially aquaporin communicates, and realizes the conveying of water under high pressure.
4, water power liquid multipath centre revolving joint according to claim 1, it is characterized in that: the oil circuit revolving body also is tubular, be installed in the top of mandrel, four hydraulic fluid ports are radially arranged, on the inner cylinder face with hydraulic fluid port corresponding section radially, respectively have annular oil groove, these oil grooves guaranteed on oil circuit revolving body and the mandrel corresponding radial direction oil, axially oil duct communicates, and realizes the conveying of pressure oil.
5, water power liquid multipath centre revolving joint according to claim 1, it is characterized in that: the stator of circuit revolving body is formed by stacking by the annular thin slice with insulation property is alternate with annular conductive rings, be fastened on the top cover with three screw rods, snapping and is led to the cable of getting off on the conducting ring.
6, water power liquid multipath centre revolving joint according to claim 1, it is characterized in that: the stator rotor of circuit revolving body is formed by stacking by semicircular thin slice, be fastened on the end cap of circuit revolving body bottom with four screw rods, be inlaid with the rubber-like conductive filament on each thin slice, one end snapping of conductive filament and is led to the cable of getting on the bus, and the other end contacts all the time with conducting ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420116479 CN2751473Y (en) | 2004-12-06 | 2004-12-06 | Multi-path central rotation joint for water/electricity/liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420116479 CN2751473Y (en) | 2004-12-06 | 2004-12-06 | Multi-path central rotation joint for water/electricity/liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2751473Y true CN2751473Y (en) | 2006-01-11 |
Family
ID=35932638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420116479 Expired - Fee Related CN2751473Y (en) | 2004-12-06 | 2004-12-06 | Multi-path central rotation joint for water/electricity/liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2751473Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893144A (en) * | 2010-06-25 | 2010-11-24 | 徐州天地重型机械制造有限公司 | Center swivel joint for turbojet fire engine |
| CN102278552A (en) * | 2010-06-10 | 2011-12-14 | 江苏鼎晟液压有限公司 | Multifunctional center rotary joint |
| CN102705619A (en) * | 2012-05-31 | 2012-10-03 | 北京市三一重机有限公司 | Water, electricity and liquid multi-channel center revolving joint and engineering machinery with same |
| TWI384078B (en) * | 2009-01-15 | 2013-02-01 | China Steel Corp | An adapter for the eddy current detection device |
| WO2013026191A1 (en) * | 2011-08-22 | 2013-02-28 | 长沙中联重工科技发展股份有限公司 | Rotational connector and environmental sanitation vehicle comprising same |
| CN103618187A (en) * | 2013-11-15 | 2014-03-05 | 中航光电科技股份有限公司 | Novel seal structure of fluid slip ring |
| CN104154361A (en) * | 2014-09-01 | 2014-11-19 | 刘书雄 | Rotary joint on crane |
| CN104444870A (en) * | 2014-11-25 | 2015-03-25 | 徐州重型机械有限公司 | Center revolving device, auxiliary driving system and engineering truck |
| CN107537704A (en) * | 2017-08-18 | 2018-01-05 | 广州市拓丰电器有限公司 | A kind of water smoke nanometer gasification conversion equipment |
| CN108503164A (en) * | 2018-04-09 | 2018-09-07 | 沈阳双壹市政工程有限公司 | A kind of mud in-situ treatment device |
| CN114221188A (en) * | 2022-01-13 | 2022-03-22 | 北京三一智造科技有限公司 | Swivel joint and operation machine |
| CN117212299A (en) * | 2023-11-07 | 2023-12-12 | 莱州兴达液压机械科技有限公司 | Hydraulic cylinder pressing testing device |
-
2004
- 2004-12-06 CN CN 200420116479 patent/CN2751473Y/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI384078B (en) * | 2009-01-15 | 2013-02-01 | China Steel Corp | An adapter for the eddy current detection device |
| CN102278552A (en) * | 2010-06-10 | 2011-12-14 | 江苏鼎晟液压有限公司 | Multifunctional center rotary joint |
| CN102278552B (en) * | 2010-06-10 | 2015-07-15 | 江苏鼎晟液压有限公司 | Multifunctional center rotary joint |
| CN101893144A (en) * | 2010-06-25 | 2010-11-24 | 徐州天地重型机械制造有限公司 | Center swivel joint for turbojet fire engine |
| WO2013026191A1 (en) * | 2011-08-22 | 2013-02-28 | 长沙中联重工科技发展股份有限公司 | Rotational connector and environmental sanitation vehicle comprising same |
| CN102705619B (en) * | 2012-05-31 | 2015-06-10 | 北京市三一重机有限公司 | Water, electricity and liquid multi-channel center revolving joint and engineering machinery with same |
| CN102705619A (en) * | 2012-05-31 | 2012-10-03 | 北京市三一重机有限公司 | Water, electricity and liquid multi-channel center revolving joint and engineering machinery with same |
| CN103618187A (en) * | 2013-11-15 | 2014-03-05 | 中航光电科技股份有限公司 | Novel seal structure of fluid slip ring |
| CN104154361A (en) * | 2014-09-01 | 2014-11-19 | 刘书雄 | Rotary joint on crane |
| CN104444870A (en) * | 2014-11-25 | 2015-03-25 | 徐州重型机械有限公司 | Center revolving device, auxiliary driving system and engineering truck |
| CN104444870B (en) * | 2014-11-25 | 2017-01-04 | 徐州重型机械有限公司 | Centre revolving device, assistant drive system and engineering truck |
| CN107537704A (en) * | 2017-08-18 | 2018-01-05 | 广州市拓丰电器有限公司 | A kind of water smoke nanometer gasification conversion equipment |
| CN108503164A (en) * | 2018-04-09 | 2018-09-07 | 沈阳双壹市政工程有限公司 | A kind of mud in-situ treatment device |
| CN114221188A (en) * | 2022-01-13 | 2022-03-22 | 北京三一智造科技有限公司 | Swivel joint and operation machine |
| CN114221188B (en) * | 2022-01-13 | 2024-02-20 | 北京三一智造科技有限公司 | Swivel joint and operation machinery |
| CN117212299A (en) * | 2023-11-07 | 2023-12-12 | 莱州兴达液压机械科技有限公司 | Hydraulic cylinder pressing testing device |
| CN117212299B (en) * | 2023-11-07 | 2024-01-16 | 莱州兴达液压机械科技有限公司 | Hydraulic cylinder pressing testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |