CN208111882U - A kind of oil-leakage-prevention wind electricity change paddle conducting slip ring - Google Patents
A kind of oil-leakage-prevention wind electricity change paddle conducting slip ring Download PDFInfo
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- CN208111882U CN208111882U CN201820755364.4U CN201820755364U CN208111882U CN 208111882 U CN208111882 U CN 208111882U CN 201820755364 U CN201820755364 U CN 201820755364U CN 208111882 U CN208111882 U CN 208111882U
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- slip ring
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Abstract
The utility model discloses a kind of oil-leakage-prevention wind electricity change paddle conducting slip rings, framework box body including supporting slip ring conductive shaft both ends, slip ring conductive shaft both ends pass through bearing respectively and are fixed on both ends in the framework box body, described framework box body one end is used for connection slip ring stator interface, the framework box body other end connects a slip-ring rotor interface by bearing, slip ring conductive shaft one end is entangled by the groove being arranged and drives the rotation of slip ring conductive shaft in one side end of slip-ring rotor interface, wherein, the oil resistant gasket compressed by two side ends is being provided in the one side groove of end plane and slip-ring rotor interface of slip ring conductive shaft one end between bottom end plate plane.The utility model passes through the slip ring conductive shaft and slip-ring rotor interface connection increase oil resistant gasket in slip ring; effectively protect the core component inside slip ring is not influenced by machine oil, the stability for increasing slip ring, the maintenance period for extending slip ring, the service life for improving slip ring.
Description
Technical field
The utility model relates to a kind of oil-leakage-prevention wind electricity change paddle conducting slip rings.
Background technique
Slip ring, also referred to as rotary electric interface, electrical rotary joint, when can be used for any require without limitation continuous rotation from
Fixed structure is transmitted to rotational structure in the system of power supply and data-signal.Usually be used in requirement without limitation, it is continuous or
In the Mechatronic Systems of interruption rotation, transmission power supply and data-signal, it can simplify and improve system performance, and do not damage conducting wire.
Currently, slip ring is the major electrical equipment device to rotation dynamic implement signal and power transmission, mainly by ring body and brush contact
Mode, and do relative rotary motion and realize that his main construction is by ring body to the transmission of progress signal and power on rotary body
（Also referred to as collector ring）, brush, slip ring spider, bearing, bearing (ball) cover be composed, slip ring at work protect by ring body and brush
Sliding contact is held, realizes the transmission of signal and power, conducting ring is the core component of collector ring, and the service life and performance to slip ring rise
To conclusive effect.
80% pitching manner is using electric variable pitch in wind-driven generator at present, and electric pitching manner is exactly to pass through conducting slip ring
Power supply and communication signal are provided to the hub motor of rotation, and there are a large amount of machine oil in the wheel hub of rotation, in rotating process
In, machine oil can be penetrated into inside slip ring by the position that wheel hub is connect with slip ring, to pollute the core component inside slip ring（Ring
Road and brush filament）, the stability for influencing slip ring, the maintenance period for shortening slip ring, the service life for reducing slip ring.
Summary of the invention
The purpose of this utility model is to propose a kind of oil-leakage-prevention wind electricity change paddle conducting slip ring, slip ring slip ring conductive shaft with
Slip-ring rotor interface connection increases gasket, which uses nitrile rubber material, and nitrile rubber heat resistance is good,
Remain to work at -40 DEG C, at 120 DEG C can long-term work it is still flexible；Nitrile rubber also has good oil resistivity, can effectively prevent
The only immersion corrosion of machine oil.
To achieve the goals above, the technical solution of the utility model is：A kind of oil-leakage-prevention wind electricity change paddle conducting slip ring, packet
The framework box body at supporting slip ring conductive shaft both ends is included, slip ring conductive shaft both ends pass through bearing respectively and are fixed in the framework box body
Both ends, described framework box body one end are used for connection slip ring stator interface, and the framework box body other end connects one by bearing
Slip-ring rotor interface, one side end of slip-ring rotor interface entangle slip ring conductive shaft one end by the groove being arranged and drive cunning
Ring conductive shaft rotation, wherein the bottom end in the end plane and one side groove of slip-ring rotor interface of slip ring conductive shaft one end
The oil resistant gasket compressed by two side ends is provided between plate plane.
Scheme is further：The radial circumference face of the slip ring conductive shaft one end is more faceted pebbles, the groove circumference
Face is the more faceted pebbles to match with the more faceted pebbles of the radial circumference of slip ring conductive shaft one end, and the slip-ring rotor interface passes through groove circle
More faceted pebbles of all sides drive the rotation of slip ring conductive shaft.
Scheme is further：The radial circumference face of the slip ring conductive shaft one end is disc, groove circumference side
It is the disc cooperated with the sealing of the radial circumference disc of slip ring conductive shaft one end, bottom end plate is provided with through-hole in groove,
Slip ring conductive shaft one end side end face is provided with screw hole, stirs bolt across bottom end plate through-hole in groove and screws in slip ring conductive shaft one end
Side end face screw hole, the slip-ring rotor interface drive slip ring conductive shaft to rotate by stirring bolt.
Scheme is further：The oil resistant gasket is the oil resistant gasket of nitrile rubber material.
Scheme is further：The thickness of the nitrile rubber material oil resistant gasket is at least 3mm, oil resistant gasket it is outer
Diameter is equal to groove diameter, and the oil resistant sealing mat thickness after compression is not more than the 60% of original thickness.
The utility model has by slip ring conductive shaft and slip-ring rotor interface connection increase oil resistant gasket in slip ring
The core component of effect protected inside slip ring is not influenced by machine oil, the maintenance week for increasing the stability of slip ring, extending slip ring
Phase, the service life for improving slip ring.
The utility model is described in detail with reference to the accompanying drawings and examples.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Specific embodiment
A kind of oil-leakage-prevention wind electricity change paddle conducting slip ring, as shown in Figure 1, the oil-leakage-prevention wind electricity change paddle conducting slip ring includes branch
The framework box body 2 at 1 both ends of slip ring conductive shaft is supportted, the framework box body 2 is solid by two sides end plate 201 and 202 and on end plate
The closed box that fixed cover board 203 is formed, slip ring conductive shaft both ends pass through bearing 3 and 4 in the framework box body respectively
It is fixed on the end plate of two sides, one side end panel of framework box body, 201 end is used for connection slip ring stator interface, is arranged on end plate 201
There is the bearing 3, another side end panel 202 is a U-shaped structure, and the closed end of U-shaped structure is provided with the bearing 4, U-shaped structure
Open end be provided with the bearing 5, another 202 end of side end panel by bearing 5 connect a slip-ring rotor interface 6, the cunning
6 one side end of rotor interface entangles slip ring conductive shaft one end by the groove 601 of setting and drives the rotation of slip ring conductive shaft, this
Sample slip-ring rotor interface can drive slip ring conductive shaft to rotate with generator amature, and framework box body is with stator interface and generator
Stator is fixedly connected motionless；The brush part that this structure forms slip ring passes through the structure of framework box body and determining for wind-driven generator
Son connection is made into the work stationary part of slip ring, and the conductive shaft portion of slip ring is turned by 6 other end of slip-ring rotor interface and motor
Sub- flanged joint is designed to the rotating part of slip ring work.Namely：Framework box body and stator interface is used for and generator unit stator
Gear-box be fixedly connected it is motionless, slip-ring rotor interface 6 for connect with generator amature hub bracket drive slip ring conductive shaft with
The rotation of generator wheel hub rotor.The slip ring conductive shaft lead connecting with rotor is provided on the slip-ring rotor interface 6
Socket 8.Rotor cable is defeated through slip ring conductive shaft cable 9 by the slip ring conductive shaft lead socket 8 of slip-ring rotor interface 6
Out to the conducting slip ring on conductive shaft, slip ring conductive shaft cable 9 will pass through slip ring conductive shaft centre bore, due to the wheel hub of rotation
In there are a large amount of machine oil, although slip ring conductive shaft centre bore will not leak into oil with epoxy resin sealing after passing through cable,
During rotating, machine oil can flow to the conductive shaft end of slip ring by slip ring conductive shaft cable, although groove 601
Entangling slip ring conductive shaft one end circumference is a kind of sealed connection, but prolonged rotation still will appear oil and penetrate into slip ring
The situation in portion, thus the present embodiment slip ring conductive shaft one end end plane and one side groove of slip-ring rotor interface in bottom
Oil resistant gasket 7 is provided between end plate plane, 7 two side ends of oil resistant gasket are tight by slip ring conductive shaft 1 and slip-ring rotor interface 6
Contiguity presses tight.
Wherein：The oil resistant gasket is the oil resistant gasket of nitrile rubber material.Nitrile rubber heat resistance is good,
Remain to work at -40 DEG C, at 120 DEG C can long-term work it is still flexible；Nitrile rubber also has good oil resistivity, can effectively prevent
The only immersion corrosion of machine oil.And：The thickness of the oil resistant gasket of nitrile rubber material described in structure is at least 3mm, and oil resistant is close
The overall diameter of packing is equal to groove circle diameter or is slightly less than groove circle diameter 0.1mm, and the oil resistant after compression seals mat thickness
No more than the 60% of original thickness, such as：The present embodiment using 3mm thickness nitrile rubber material oil resistant gasket, after compression
Thickness is 1.8mm.
Slip-ring rotor interface described in embodiment drives the rotation of slip ring conductive shaft, and there are many structure types, wherein preferably having
Two kinds of structure types.
The first described slip-ring rotor interface drives the preferred structure of slip ring conductive shaft rotation to be：The slip ring conductive shaft one
The radial circumference face of end side is more faceted pebbles（3 ribs, 4 ribs or 6 ribs）, groove circumference side is and slip ring conductive shaft one end
More faceted pebbles that the more faceted pebbles of radial circumference match, the slip-ring rotor interface drive slip ring to lead by more faceted pebbles of groove circumference side
Electric axis rotation,（This structure is not shown in the figure, but should be can very easy be interpreted as technical staff by foregoing description）.
Second of slip-ring rotor interface drives the preferred structure of slip ring conductive shaft rotation to be：The slip ring conductive shaft one
The radial circumference face of end side is disc（Circular shaft）, groove circumference side is and the radial circumference of slip ring conductive shaft one end circle
The disc of face sealing cooperation, bottom end plate is provided with through-hole in groove, and slip ring conductive shaft one end side end face is provided with screw hole, dials
Dynamic bolt 10 passes through bottom end plate through-hole in groove and screws in slip ring conductive shaft one end side end face screw hole, as shown in Figure 1, the slip ring turns
Sub-interface drives the rotation of slip ring conductive shaft by stirring bolt.
In embodiment：The transparent window of transparent cover plate formation is provided in the framework box body（Such as use organic glass
Glass transparent cover plate）, transparent window setting is in tank ends.The working condition of conducting slip ring is observed by transparent window, and to out
Existing sundries is cleared up in time, ensure that slip ring reliable operation.
Claims (5)
1. a kind of oil-leakage-prevention wind electricity change paddle conducting slip ring, the framework box body including supporting slip ring conductive shaft both ends, slip ring conductive shaft
Both ends pass through bearing respectively and are fixed on both ends in the framework box body, and described framework box body one end connects for connection slip ring stator
Mouthful, the framework box body other end connects a slip-ring rotor interface by bearing, and one side end of slip-ring rotor interface is logical
The groove for crossing setting entangles slip ring conductive shaft one end and drives the rotation of slip ring conductive shaft, which is characterized in that in slip ring conductive shaft one
It is provided between bottom end plate plane in the one side groove of end plane and slip-ring rotor interface of end side by the resistance to of two side ends compression
Oil seal pad.
2. oil-leakage-prevention wind electricity change paddle conducting slip ring according to claim 1, which is characterized in that slip ring conductive shaft one end
The radial circumference face of side is more faceted pebbles, and groove circumference side is and the more faceted pebble phases of the radial circumference of slip ring conductive shaft one end
The more faceted pebbles matched, the slip-ring rotor interface drive the rotation of slip ring conductive shaft by more faceted pebbles of groove circumference side.
3. oil-leakage-prevention wind electricity change paddle conducting slip ring according to claim 1, which is characterized in that slip ring conductive shaft one end
The radial circumference face of side is disc, and groove circumference side is matched with the sealing of the radial circumference disc of slip ring conductive shaft one end
The disc of conjunction, bottom end plate is provided with through-hole in groove, and slip ring conductive shaft one end side end face is provided with screw hole, stirs bolt and wears
It crosses bottom end plate through-hole in groove and screws in slip ring conductive shaft one end side end face screw hole, the slip-ring rotor interface is by stirring bolt band
Dynamic slip ring conductive shaft rotation.
4. oil-leakage-prevention wind electricity change paddle conducting slip ring according to claim 1 or 2 or 3, which is characterized in that the resistance to oil seal
Pad is the oil resistant gasket of nitrile rubber material.
5. oil-leakage-prevention wind electricity change paddle conducting slip ring according to claim 4, which is characterized in that the nitrile rubber material is resistance to
The thickness of oil seal pad is at least 3mm, and the overall diameter of oil resistant gasket is equal to groove diameter, and the oil resistant after compression seals mat thickness
No more than the 60% of original thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820755364.4U CN208111882U (en) | 2018-05-21 | 2018-05-21 | A kind of oil-leakage-prevention wind electricity change paddle conducting slip ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820755364.4U CN208111882U (en) | 2018-05-21 | 2018-05-21 | A kind of oil-leakage-prevention wind electricity change paddle conducting slip ring |
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| Publication Number | Publication Date |
|---|---|
| CN208111882U true CN208111882U (en) | 2018-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820755364.4U Active CN208111882U (en) | 2018-05-21 | 2018-05-21 | A kind of oil-leakage-prevention wind electricity change paddle conducting slip ring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022165866A1 (en) * | 2021-02-04 | 2022-08-11 | 华研风电设备制造（大连）有限公司 | Variable pitch conductive slip ring for wind power |
| CN115995915A (en) * | 2022-11-30 | 2023-04-21 | 新疆金风科技股份有限公司 | Combined body and wind generating set |
-
2018
- 2018-05-21 CN CN201820755364.4U patent/CN208111882U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022165866A1 (en) * | 2021-02-04 | 2022-08-11 | 华研风电设备制造（大连）有限公司 | Variable pitch conductive slip ring for wind power |
| CN115995915A (en) * | 2022-11-30 | 2023-04-21 | 新疆金风科技股份有限公司 | Combined body and wind generating set |
| CN115995915B (en) * | 2022-11-30 | 2023-10-20 | 金风科技股份有限公司 | Combined body and wind generating set |
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