CN202992476U - Central rotary joint - Google Patents
Central rotary joint Download PDFInfo
- Publication number
- CN202992476U CN202992476U CN 201220692004 CN201220692004U CN202992476U CN 202992476 U CN202992476 U CN 202992476U CN 201220692004 CN201220692004 CN 201220692004 CN 201220692004 U CN201220692004 U CN 201220692004U CN 202992476 U CN202992476 U CN 202992476U
- Authority
- CN
- China
- Prior art keywords
- slip ring
- waterway channel
- waterway
- hydraulic
- water route
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000007787 solid Substances 0.000 claims description 17
- 239000010720 hydraulic oil Substances 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 210000000664 rectum Anatomy 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The utility model relates to parts and components of a fire engine, in particular to a central rotary joint. The central rotary joint comprises a hydraulic rotary body, an electric slip ring, a waterway rotary body and a waterway channel, wherein the waterway channel is fixed in the hydraulic rotary body; a rotary axis of the hydraulic rotary body is the same as a central axis of the waterway channel; the electric slip ring is mounted on the waterway channel in a sleeving manner, and located below the hydraulic rotary body; and a waterway rotary core of the waterway rotary body is connected with the lower end of the waterway channel. According to the central rotary joint, the hydraulic rotary body, the electric slip ring and the waterway rotary body are used for up and down breakover of hydraulic oil, electricity and water, are mutually independent, and are not influenced mutually; the drift diameter of the waterway channel can be larger, so that a requirement of high flow of the waterway channel is met; the oil and the water are not leaked mutually; and the service life of the central rotary joint is prolonged.
Description
Technical field
The utility model relates to the auxiliary equipment of fire-fighting truck, particularly a kind of center-rotary joint.
Background technique
Fire-fighting truck is that a kind of being specifically designed to put out a fire or promptly rescue the vehicle of purposes as other, the fire-fighting operation device (getting on the bus) of fire-fighting truck is fixed on automobile chassis (getting off) by pivoting support, the required hydraulic oil of required electricity, the hydraulic driving of its fire-fighting operation device, water that fire-fighting is used etc. are stored on automobile chassis, fire-fighting truck is in the fire-fighting operation process, and its apparatus for work all can turn round at any time as required.Therefore, must arrange one between automobile chassis and fire-fighting operation device and be convenient to the center-rotary joint that fuel oil, hydraulic oil and water pass through simultaneously.
Conventional center-rotary joint is made in hydraulic pressure and water route in same solid of rotation at present, make the latus rectum size of waterway channel be subject to the restriction of structure and can not realize large latus rectum, normal appearance oil and the mutual seepage of water are also arranged simultaneously, affected the working life of centre revolving joint.
The model utility content
The purpose of this utility model is to overcome the above-mentioned deficiency of prior art, and a kind of center-rotary joint is provided.
For achieving the above object, the utility model provides following technological scheme:
a kind of center-rotary joint, comprise the hydraulic gyration body, electric slip ring, the water route solid of rotation, waterway channel, described hydraulic gyration body comprises hydraulic gyration core body and hydraulic gyration housing, described electric slip ring comprises wire slip ring core body and wire slip ring housing, described water route solid of rotation also comprises water route revolution core body and water route revolving shell, described waterway channel is fixed in the hydraulic gyration body, and the rotational axis of hydraulic gyration body is consistent with the central axis of waterway channel, described electric slip ring be sleeved on waterway channel and be positioned at the hydraulic gyration body below, the water route revolution core body of described water route solid of rotation is connected with the lower end of waterway channel.
In above-mentioned center-rotary joint, the hydraulic gyration core body of described hydraulic gyration body is connected and with the rotation of getting on the bus with getting on the bus.
In above-mentioned center-rotary joint, the hydraulic gyration housing of described hydraulic gyration body is fixedly connected with getting off, described hydraulic gyration housing by chock with get off be fixedly connected with and with get off realize relative static.
In above-mentioned center-rotary joint, the wire slip ring housing of described electric slip ring is fixedly connected with getting off.
In above-mentioned center-rotary joint, described water route revolving shell is fixedly connected with getting off.
Compared with prior art, the beneficial effects of the utility model:Hydraulic gyration body of the present utility model, electric slip ring, water route solid of rotation are respectively used to the conducting up and down of hydraulic oil, electricity and water, and be separate to each other, complementary impact, and the latus rectum of waterway channel can be relatively large, and then realize the large traffic requirement of waterway channel; The mutual seepage of oil and water has extended working life of centre revolving joint.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of hydraulic gyration body in the utility model.
Fig. 3 is the structural representation of electric slip ring in the utility model.
Fig. 4 is the structural representation of water route solid of rotation in the utility model.
Fig. 5 is the structural representation after the utility model and connection fittings combination.
Mark in figure: 1-hydraulic gyration body, 2-electric slip ring, 3-water route solid of rotation, the 4-waterway channel, 5-hydraulic gyration core body, 6-hydraulic gyration housing, 7-wire slip ring core body, 8-wire slip ring housing, 9-water route revolution core body, 10-water route revolving shell, 11-chock, the 12-retaining strip, the 13-stop bracket.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
as accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, shown in accompanying drawing 4, the center-rotary joint of the present embodiment, comprise hydraulic gyration body 1, electric slip ring 2, water route solid of rotation 3, waterway channel 4, described hydraulic gyration body 1 comprises hydraulic gyration core body 5 and hydraulic gyration housing 6, described electric slip ring 2 comprises wire slip ring core body 7 and wire slip ring housing 8, described water route solid of rotation 3 also comprises water route revolution core body 9 and water route revolving shell 10, described waterway channel 4 is fixed in hydraulic gyration body 1, and the rotational axis of hydraulic gyration body 1 is consistent with the central axis of waterway channel 4, described electric slip ring 2 be sleeved on waterway channel 4 and be positioned at hydraulic gyration body 1 below, the water route revolution core body 9 of described water route solid of rotation 3 is connected with the lower end of waterway channel 4.
As shown in Figure 5, in the present embodiment, the hydraulic gyration core body 5 of hydraulic gyration body 1 is connected and with the rotation of getting on the bus with getting on the bus; Hydraulic gyration housing 6 by chock 11 with get off be fixedly connected with and with get off realize relative static.The wire slip ring housing 8 of electric slip ring 2 is by retaining strip 12, stop bracket 13 and get off and be fixedly connected with, and namely brake holder 13 is fixed on the car body of getting off, and wire slip ring shell 8 is fixed on stop bracket 13 by retaining strip 12.Water route revolving shell 10 in water route solid of rotation 3 is fixedly connected with getting off.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (1)
1. center-rotary joint, comprise the hydraulic gyration body, electric slip ring, the water route solid of rotation, waterway channel, described hydraulic gyration body comprises hydraulic gyration core body and hydraulic gyration housing, described electric slip ring comprises wire slip ring core body and wire slip ring housing, described water route solid of rotation also comprises water route revolution core body and water route revolving shell, it is characterized in that: described waterway channel is fixed in the hydraulic gyration body, and the rotational axis of hydraulic gyration body is consistent with the central axis of waterway channel, described electric slip ring be sleeved on waterway channel and be positioned at the hydraulic gyration body below, the water route revolution core body of described water route solid of rotation is connected with the lower end of waterway channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220692004 CN202992476U (en) | 2012-12-14 | 2012-12-14 | Central rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220692004 CN202992476U (en) | 2012-12-14 | 2012-12-14 | Central rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202992476U true CN202992476U (en) | 2013-06-12 |
Family
ID=48563655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220692004 Expired - Lifetime CN202992476U (en) | 2012-12-14 | 2012-12-14 | Central rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202992476U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103645046A (en) * | 2013-12-26 | 2014-03-19 | 徐州徐工液压件有限公司 | Method and device for detecting performance test of central rotary joint |
| CN106195501A (en) * | 2016-07-11 | 2016-12-07 | 润琛液压机械南通有限公司 | A kind of big flow Multichannel swivel joint |
| CN106939949A (en) * | 2017-05-08 | 2017-07-11 | 苏州标杆知识产权运营有限公司 | Center swivel joint for turbojet fire engine |
-
2012
- 2012-12-14 CN CN 201220692004 patent/CN202992476U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103645046A (en) * | 2013-12-26 | 2014-03-19 | 徐州徐工液压件有限公司 | Method and device for detecting performance test of central rotary joint |
| CN103645046B (en) * | 2013-12-26 | 2016-04-27 | 徐州徐工液压件有限公司 | Performance test of central rotary joint detection method, device |
| CN106195501A (en) * | 2016-07-11 | 2016-12-07 | 润琛液压机械南通有限公司 | A kind of big flow Multichannel swivel joint |
| CN106939949A (en) * | 2017-05-08 | 2017-07-11 | 苏州标杆知识产权运营有限公司 | Center swivel joint for turbojet fire engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 611130 Sichuan, Wenjiang, Taiwan Strait science and Technology Industrial Park, Xinhua Road, Section 1, No. 8 Patentee after: SICHUAN CHUANXIAO FIRE TRUCKS MANUFACTURING CO.,LTD. Address before: 610000 Sichuan, Wenjiang, Taiwan Strait science and Technology Industrial Park, Xinhua Road, Section 1, No. 8 Patentee before: SICHUAN SENTIAN FIRE SAFETY APPLIANCES Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |