CN202880713U - Multi-oil-way electric and hydraulic transmission center rotating joint for automobile crane - Google Patents
Multi-oil-way electric and hydraulic transmission center rotating joint for automobile crane Download PDFInfo
- Publication number
- CN202880713U CN202880713U CN 201220551006 CN201220551006U CN202880713U CN 202880713 U CN202880713 U CN 202880713U CN 201220551006 CN201220551006 CN 201220551006 CN 201220551006 U CN201220551006 U CN 201220551006U CN 202880713 U CN202880713 U CN 202880713U
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Abstract
The utility model discloses a multi-oil-way electric and hydraulic transmission center rotating joint for an automobile crane. The multi-oil-way electric and hydraulic transmission center rotating joint comprises a hydraulic oil rotating transmission device and an electric signal rotating transmission device. The joint is characterized in that the electric signal rotating transmission device comprises a conductive ring shell, an output end wire, an input end wire, an electric brush stator and an electric brush rotating core; the electric brush stator is fixedly arranged inside the conductive ring shell; the electric brush stator is connected with the output end wire; a central through hole is formed in the center of the interior of a fixing body; the input end wire is connected with the electric brush rotating core and penetrates through the central through hole; the conductive ring shell is connected with a spacer ring clamping groove; a spacer ring is fixed on a rotating body; the electric brush rotating core is fixed on a shifting cover plate; and the shifting cover plate is fixedly connected with the fixing body. The multi-oil-way electric and hydraulic transmission center rotating joint is simple and compact in structure, high in sealing performance, long in service life and high in reliability, can be used for simultaneously transmitting electric signals and hydraulic oil, and the electric signal rotating transmission device and the hydraulic oil rotating transmission device are stably and tightly connected.
Description
Technical field
The utility model relates to the spare and accessory parts of car hosit, is specifically related to the centre revolving joint that car hosit is used, and belongs to the hydrostatic drive field.
Background technology
The application of centre revolving joint on the equipment such as hoisting crane, fire extinguishing tanker is very extensive, and it is a kind of device that on the construction machinery and equipment with upper-part rotation function the hydraulic pressure Oil, Water, Gas of getting off and electricity etc. is transported to the actuating unit of getting on the bus that is installed in.The existing electricity that is used for car hosit, the structure of liquid transmission center swivel coupling comprises hydraulic oil revolution transmitting device and the electric signal revolution transmitting device of captive joint, hydraulic oil revolution transmitting device comprises fixed body and gyro-rotor, fixed body is fixed on the lower chassis motionless, the outside that gyro-rotor is sheathed on fixed body rotates take the fixed body line of centers as the axle center, the gyro-rotor outer wall is fixed with rocking arm; rocking arm partly links to each other with upper-part rotation by shift fork; the outer wall of fixed body offers some oil grooves; fixed body inside is provided with several axial oil ducts that links to each other with the bottom oil servicing facitities, oil duct and one by one corresponding connection of oil groove.The outer wall of gyro-rotor is welded with a plurality of hydraulic fluid ports, and each hydraulic fluid port is communicated with an oil groove.In the said structure, by the hydraulic fluid port on oil duct, oil groove and the gyro-rotor of fixed body the hydraulic oil of getting off is transported in the various hydraulic actuators of getting on the bus, by electric signal revolution transmitting device the electric signal of getting off is transported in the various electric power element of getting on the bus.
The shortcoming of existing electricity, liquid transmission center swivel coupling is: 1, hydraulic oil revolution transmitting device be connected transmitting device and connects firmly not, tight with electric signal, is easy to cause rocking of link, cause pull, the phenomenon such as scuffing; 2, hydraulic oil revolution transmitting device is because the fixed body outer wall offers some oil grooves, because the sealing property of sealing component problem between oil groove, time has been grown the ubiquity oil leakage phenomenon, the oil groove that existing fixed body outer wall is offered all can be by the height force feed, oil leakage phenomenon is serious, pull the phenomenon such as scuffing and produce frequently, use to main frame and to have caused very burden; 3, the shift fork of connecting rocker arm is writing board shape, and easy distortion of long duration, so that being connected built on the sand of shift fork and rocking arm cause the up and down play of gyro-rotor.
The utility model content
The purpose of this utility model just is for the deficiencies in the prior art, provide a kind of simple and compact for structure, electric signal revolution transmitting device and hydraulic oil revolution transmitting device stable connection tight, good seal performance, long service life, reliability height, the simultaneously car hosit of transmission of electric signals and hydraulic oil, liquid transmission center swivel coupling electric with Multi-oil circuit.
To achieve these goals, the technical solution adopted in the utility model is such: a kind of car hosit is electric with Multi-oil circuit, liquid transmission center swivel coupling, comprise hydraulic oil revolution transmitting device and electric signal revolution transmitting device, described hydraulic oil revolution transmitting device comprises fixed body and gyro-rotor, fixed body is connected with lower chassis, gyro-rotor is sheathed on the outside of fixed body; rocking arm is fixed on the gyro-rotor outer wall; rocking arm partly is connected with upper-part rotation by shift fork; the outer wall of fixed body offers at least two circles and the oil groove of fixed body concentric; fixed body inside is provided with several axial oil ducts that links to each other with the bottom oil servicing facitities; oil duct and one by one corresponding connection of oil groove; the outer wall of gyro-rotor is welded with a plurality of hydraulic fluid ports; each hydraulic fluid port is communicated with an oil groove; it is characterized in that: described electric signal turns round transmitting device and comprises the conducting ring housing; mouth electric wire; input end electric wire; brush stator and brush turn core; the conducting ring enclosure interior is fixed with the brush stator; the brush stator is connected with the mouth electric wire; described fixed body inside center has central through hole; input end electric wire and brush turn core and be connected and pass central through hole; the conducting ring housing is connected with the spacer ring draw-in groove; spacer ring is fixed on the gyro-rotor; brush turns core and is fixed on and pulls and connects on the cover plate, pulls and connects cover plate and captives joint with fixed body.
The oil groove of offering at the outer wall of described fixed body is divided into low-pressure tank and high pressure oil groove, low-pressure tank is positioned at the top of fixed body, the fixed body bottom is arranged with slip ring, slip ring contacts with the gyro-rotor bottom, when gyro-rotor rotates, guarantee like this sealing property between gyro-rotor and the fixed body, avoided the generation of oil leakage phenomenon.Simultaneously since low pressure oil than the easier generation oil leakage phenomenon of high pressure oil, oil groove is divided into low-pressure tank and high pressure oil groove, and low pressure oil is crossed low-pressure tank, the too high pressure oil groove of high pressure oil, low-pressure tank is arranged on top and the bottom of fixed body, has also reduced the generation of oil leakage phenomenon between oil groove.
As further improvement of the utility model, being shaped as of the described shift fork that is connected with rocking arm is L shaped, has prolonged the deformation time of shift fork, and shift fork is not easy distortion, play about the gyro-rotor of having avoided causing after the shift fork distortion behind the prolonged exercise.Simultaneously be provided with U-lag in the lower end of described shift fork, rocking arm flexibly connects by U-lag and shift fork, also can prevent so the up and down play of gyro-rotor when guaranteeing the normal rotation of gyro-rotor.
Compared with prior art, the utility model has the advantage of: the utility model is by the clamping of spacer ring and conducting ring housing, brush turns core and being connected of cover plate electric signal is turned round transmitting device and hydraulic oil revolution transmitting device and firmly closely link together with pulling and connecting, offer by low-pressure tank and high pressure oil groove at the outer wall of fixed body, low-pressure tank is positioned at the top of fixed body, reduced the generation of oil leakage phenomenon, avoided pulling the generation that scratches phenomenon, the shape of shift fork and the connection mode of shift fork and rocking arm have been changed simultaneously, prevent the up and down play of gyro-rotor, therefore the utility model is a kind of simple and compact for structure, electric signal revolution transmitting device and hydraulic oil revolution transmitting device stable connection are tight, good seal performance, long service life, reliability is high, and the car hosit of transmission of electric signals and hydraulic oil is electric with Multi-oil circuit simultaneously, liquid transmission center swivel coupling.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the cutaway view Amplified image of E-E among Fig. 1;
Fig. 3 is the plan structure scheme drawing of shift fork.
Marginal data:
1, fixed body; 101, central through hole; 102, low-pressure tank; 103, high pressure oil groove; 104, axial oil duct; 2, gyro-rotor; 201, hydraulic fluid port; 3, lower chassis; 4, upper-part rotation part; 5, rocking arm; 6, shift fork; 601, U-lag; 11, conducting ring housing; 12, mouth electric wire; 13, input end electric wire; 14, brush stator; 15, brush turns core; 16, spacer ring; 17, pull and connect cover plate; 18, slip ring; 7,8,9,10: bolt.
The specific embodiment
In order more to be expressly understood the purpose of this utility model, technical scheme and beneficial effect, below in conjunction with accompanying drawing the utility model is described further, but protection domain of the present utility model is not limited in following examples.
referring to Fig. 1, Fig. 2, a kind of autocrane of the utility model Multi-oil circuit electricity, liquid transmission center swivel coupling, comprise hydraulic oil revolution transmitting device and signal of telecommunication revolution transmitting device, described hydraulic oil revolution transmitting device comprises fixed body 1 and revolving body 2, fixed body 1 is connected with lower chassis 3, revolving body 2 is sheathed on the outside of fixed body 1 and rotates as axle center take the center line of fixed body 1, on the outer wall of revolving body 2, be welded with Rocker arm 5, Rocker arm 5 is connected with shift fork 6, shift fork 6 is fixed on upper-part rotation part 4 by bolt 10, the outer wall of fixed body 1 offers the oil groove of at least two circles and fixed body concentric, fixed body inside is provided with several axial oil ducts 104 that is connected with the bottom oil-servicing facilities, oil duct and oil groove corresponding connection one by one, the outer wall of revolving body 2 is welded with a plurality of hydraulic fluid ports 201, each hydraulic fluid port is communicated with an oil groove, described signal of telecommunication revolution transmitting device comprises conducting ring housing 11, output electric wire 12, input electric wire 13, brush stator 14 and brush turn core 15, conducting ring housing 11 inside are fixed with brush stator 14, brush stator 14 is connected with output electric wire 12, the inside center of described fixed body 1 has central through hole 101, input electric wire 13 and brush turn core 15 and are connected and pass central through hole 101, conducting ring housing 11 is connected with spacer ring 16 draw-in grooves, spacer ring 16 is fixed on revolving body 2 by bolt 7, brush turns core 12 and is fixed on and pulls and connects on cover plate 17 by bolt 8, pulling and connecting cover plate 17 is fixedly connected with fixed body 1 by bolt 9.
The oil groove of offering at the outer wall of described fixed body 1 is divided into low-pressure tank 102 and high pressure oil groove 103, low-pressure tank 102 is positioned at the top of fixed body 1, fixed body 1 bottom is arranged with slip ring 18, slip ring 18 contacts with the bottom of gyro-rotor 2, when gyro-rotor rotates, guarantee like this sealing property between gyro-rotor and the fixed body, avoided the generation of oil leakage phenomenon.Simultaneously since low pressure oil than the easier generation oil leakage phenomenon of high pressure oil, oil groove is divided into low-pressure tank and high pressure oil groove, and low pressure oil is crossed low-pressure tank, the too high pressure oil groove of high pressure oil, low-pressure tank is arranged on top and the bottom of fixed body, has also reduced the generation of oil leakage phenomenon between oil groove.
As further improvement of the utility model, referring to Fig. 1, Fig. 3, being shaped as of the described shift fork that is connected with Rocker arm 56 is L shaped, has prolonged the deformation time of shift fork, shift fork is not easy distortion, play about the gyro-rotor of having avoided causing after the shift fork distortion behind the prolonged exercise.Simultaneously be provided with U-lag 601 in the lower end of described shift fork, Rocker arm 5 flexibly connects by U-lag 601 and shift fork 6, also can prevent so the up and down play of gyro-rotor when guaranteeing the normal rotation of gyro-rotor.
Claims (5)
1. a car hosit is electric with Multi-oil circuit, liquid transmission center swivel coupling, comprise hydraulic oil revolution transmitting device and electric signal revolution transmitting device, described hydraulic oil revolution transmitting device comprises fixed body and gyro-rotor, fixed body is connected with lower chassis, gyro-rotor is sheathed on the outside of fixed body; rocking arm is fixed on the gyro-rotor outer wall; rocking arm partly is connected with upper-part rotation by shift fork; the outer wall of fixed body offers at least two circles and the oil groove of fixed body concentric; fixed body inside is provided with several axial oil ducts that links to each other with the bottom oil servicing facitities; oil duct and one by one corresponding connection of oil groove; the outer wall of gyro-rotor is welded with a plurality of hydraulic fluid ports; each hydraulic fluid port is communicated with an oil groove; it is characterized in that: described electric signal turns round transmitting device and comprises the conducting ring housing; mouth electric wire; input end electric wire; brush stator and brush turn core; the conducting ring enclosure interior is fixed with the brush stator; the brush stator is connected with the mouth electric wire; described fixed body inside center has central through hole; input end electric wire and brush turn core and be connected and pass central through hole; the conducting ring housing is connected with the spacer ring draw-in groove; spacer ring is fixed on the gyro-rotor; brush turns core and is fixed on and pulls and connects on the cover plate, pulls and connects cover plate and captives joint with fixed body.
2. a kind of car hosit according to claim 1 is with Multi-oil circuit electricity, liquid transmission center swivel coupling, it is characterized in that: the oil groove that the outer wall of described fixed body is offered is divided into low-pressure tank and high pressure oil groove, low-pressure tank is positioned at top and the bottom of fixed body, the fixed body bottom is arranged with slip ring, and slip ring contacts with the gyro-rotor bottom.
3. a kind of car hosit according to claim 1 and 2 is with Multi-oil circuit electricity, liquid transmission center swivel coupling, and it is characterized in that: being shaped as of described shift fork is L shaped.
4. a kind of car hosit according to claim 3 is with Multi-oil circuit electricity, liquid transmission center swivel coupling, and it is characterized in that: the lower end of described shift fork is provided with U-lag, and rocking arm is connected with shift fork by U-lag.
5. a kind of car hosit according to claim 4 is with Multi-oil circuit electricity, liquid transmission center swivel coupling, and it is characterized in that: being connected to of described shift fork and rocking arm flexibly connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220551006 CN202880713U (en) | 2012-10-25 | 2012-10-25 | Multi-oil-way electric and hydraulic transmission center rotating joint for automobile crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220551006 CN202880713U (en) | 2012-10-25 | 2012-10-25 | Multi-oil-way electric and hydraulic transmission center rotating joint for automobile crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202880713U true CN202880713U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220551006 Expired - Lifetime CN202880713U (en) | 2012-10-25 | 2012-10-25 | Multi-oil-way electric and hydraulic transmission center rotating joint for automobile crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202880713U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104565628A (en) * | 2013-10-18 | 2015-04-29 | 鸿富锦精密工业（深圳）有限公司 | Rotary joint and rotary table with same |
| CN104595606A (en) * | 2014-12-31 | 2015-05-06 | 三一汽车起重机械有限公司 | Center rotation connecting structure and crane |
| CN105977747A (en) * | 2013-07-25 | 2016-09-28 | 杭州余杭晶凌喷泉设备厂 | Underwater elastic wire current collecting ring |
| CN106340784A (en) * | 2016-10-26 | 2017-01-18 | 陆廷材 | Gas, liquid and electric mixed slip ring assembly and application thereof |
| CN109340200A (en) * | 2018-11-29 | 2019-02-15 | 中联重科股份有限公司 | Hydraulic transmission control oil way, hydraulic transmission control method and engineering machinery |
| CN110280671A (en) * | 2019-07-02 | 2019-09-27 | 青岛海一诺德工业自动化有限公司 | A kind of washing machine inner tub riveting equipment rotary joint |
| CN112503282A (en) * | 2020-11-28 | 2021-03-16 | 贵州航天特种车有限责任公司 | Current collecting device integrating angle sensing |
| CN113134644A (en) * | 2020-12-09 | 2021-07-20 | 江苏开璇智能科技有限公司 | Triple harmonic drive AC shaft double-swing head |
-
2012
- 2012-10-25 CN CN 201220551006 patent/CN202880713U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977747A (en) * | 2013-07-25 | 2016-09-28 | 杭州余杭晶凌喷泉设备厂 | Underwater elastic wire current collecting ring |
| CN104565628B (en) * | 2013-10-18 | 2017-01-04 | 鸿富锦精密工业（深圳）有限公司 | Swivel joint and use the rotary table of this swivel joint |
| US9333640B2 (en) | 2013-10-18 | 2016-05-10 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Rotary joint and worktable using the same |
| CN104565628A (en) * | 2013-10-18 | 2015-04-29 | 鸿富锦精密工业（深圳）有限公司 | Rotary joint and rotary table with same |
| 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 |
| 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 |
| CN104595606A (en) * | 2014-12-31 | 2015-05-06 | 三一汽车起重机械有限公司 | Center rotation connecting structure and crane |
| CN106340784A (en) * | 2016-10-26 | 2017-01-18 | 陆廷材 | Gas, liquid and electric mixed slip ring assembly and application thereof |
| CN106340784B (en) * | 2016-10-26 | 2019-09-17 | 晋江市铠锋制鞋机械有限公司 | A kind of gas-liquid electricity mixing slip ring assembly and its application |
| CN109340200A (en) * | 2018-11-29 | 2019-02-15 | 中联重科股份有限公司 | Hydraulic transmission control oil way, hydraulic transmission control method and engineering machinery |
| CN109340200B (en) * | 2018-11-29 | 2020-08-28 | 中联重科股份有限公司 | Hydraulic transmission control oil way, hydraulic transmission control method and engineering machinery |
| CN110280671A (en) * | 2019-07-02 | 2019-09-27 | 青岛海一诺德工业自动化有限公司 | A kind of washing machine inner tub riveting equipment rotary joint |
| CN112503282A (en) * | 2020-11-28 | 2021-03-16 | 贵州航天特种车有限责任公司 | Current collecting device integrating angle sensing |
| CN113134644A (en) * | 2020-12-09 | 2021-07-20 | 江苏开璇智能科技有限公司 | Triple harmonic drive AC shaft double-swing head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |