CN201656209U - High-speed slip ring device - Google Patents
High-speed slip ring device Download PDFInfo
- Publication number
- CN201656209U CN201656209U CN2010201727133U CN201020172713U CN201656209U CN 201656209 U CN201656209 U CN 201656209U CN 2010201727133 U CN2010201727133 U CN 2010201727133U CN 201020172713 U CN201020172713 U CN 201020172713U CN 201656209 U CN201656209 U CN 201656209U
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- Prior art keywords
- slip ring
- assembly
- shaft
- brush
- spacer sleeve
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- Expired - Lifetime
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Abstract
The utility model relates to a high-speed slip ring device, which comprises a transmission assembly with a transmission shaft, a slip ring assembly, an intermediate casing and an electric brush assembly; wherein, the transmission shaft is a drum-shaped hollow shaft, of which the front end is provided with an external hexagonal head, the middle in position is provided with a connecting shaft spacer sleeve and the rear end is provided with a transmission plate; a slip ring shaft of the slip ring assembly is provided with a centering bearing spacer sleeve, a spacer sleeve with the slip ring and an insulating ring, and a tail sleeve; an electric brush base of the electric brush assembly and a terminal plate are fixedly connected with a rear casing; the transmission assembly and the slip ring assembly are connected by the intermediate casing. The slip ring adopts the double-brush tows; the linear speed of the contact point between the slip ring and the brush tows is less than 16m/s; the transmission shaft uses the drum-shaped hollow shaft with the external hexagonal head. The device has the advantages of large contact area, small resistance, wear resistance and low noise; steady rotation, good heat dissipation and long useful life; easy centering, reliably torsion, simple structure and convenient assembly and disassembly.
Description
Technical field
The utility model relates to a kind of signal transmitting apparatus, is specifically related to a kind of rotor measurement signal transmission high speed slip ring device.
Background technology
Aero-engine will be vibrated strain and dynamic frequency and temperature survey to each grade blade of compressor rotor at the ground experiment platform in development process.Common method for transmitting signals has multiple wireless electric telemetering, pulse position modulation method, light probe method and magnetic probe method etc.For the transmission of rotating speed up to the small aero rotor upper sensor signal of (40000～45000) r/min, radio telemetry, since the effect of centrifugal acceleration, the poor accuracy of signal transmission; There are problems such as the signal processing amount is big in pulse position modulation method, light probe method and magnetic probe method etc.Use the high speed slip ring device, can obtain accurately vibration strain and signals such as dynamic frequency and temperature in real time, and have advantage easy for installation, that distorted signals is little from rotor sensor.But the brush of existing slip ring device adopts carbon brush structure, and the slip ring device noise of this structure is big, and carbon brush generates heat easily when high rotating speed, produce carbon deposit and fall piece, and when rotating speed surpasses 20000 rev/mins, rotational stability and poor reliability, useful life is short.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, and noise is little, stability and good reliability, long service life, working speed height, the high speed slip ring device of easy installation and removal.
High speed slip ring device of the present utility model comprises transmission component, collecting ring assembly, middle casing and the brush assembly of electric that contains power transmission shaft, it is characterized in that: the power transmission shaft of described transmission component is the cydariform hollow shaft, front end is outer six square toes, middle appropriate location is provided with the connecting shaft spacer sleeve, and the rear end is provided with drive plate; Described collecting ring assembly comprises the wiring connecting plate, has wiring circuit board, wiring terminal pad, afflux annulate shaft and the back casing of wiring nail, the afflux annulate shaft is provided with middle (center) bearing spacer sleeve, spacer sleeve, tail cover, be provided with at least two collecting rings and dead ring between spacer sleeve and tail cover, corresponding wiring is followed closely and is connected by lead on collecting ring and the wiring circuit board; Described brush assembly of electric is made up of brushgear housing, terminal block, brush tow, and brushgear housing and terminal block are fixed on the back casing; Described transmission component is connected by middle casing with the collecting ring assembly.
In order better to realize above-mentioned purpose, described afflux annulate shaft is provided with forward and backward ball bearing, is supported by back casing.
Described power transmission shaft is supported by the procapsid with big axle journal ball bearing.
Be provided with cooling chamber between described brushgear housing and the afflux annulate shaft.
Described brush tow is that the brush silk of 0.1-0.13 millimeter is formed by 20-50 root diameter.
Respectively there is a branch of brush tow on the both sides up and down of described collecting ring.
Collecting ring of the present utility model adopts two brush tow, and contact area is big, contact resistance is little, wear-resisting, and the contact point linear velocity of collecting ring and brush tow is less than 16m/s, and noise is low; The afflux annulate shaft has adopted three bearings, and rotation operates steadily; Be provided with cooling chamber between brushgear housing and the afflux annulate shaft, good heat dissipation effect, the life-span is long; Power transmission shaft has adopted outer six square toes cydariform hollow shaft structure, and centering is easy, and torsion pass is reliable, and is simple in structure, easy installation and removal.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of transmission component 29 among Fig. 1.
Fig. 3 is the structural representation of the collecting ring assembly 30 among Fig. 1.
Fig. 4 is the structural representation of Fig. 1 center brush assembly 31.
Fig. 5 is the A-A view of Fig. 1.
Among the figure 1, power transmission shaft, 2, big axle journal ball bearing, 4, the connecting shaft spacer sleeve, 5, drive plate, 6, procapsid, 8, the wiring connecting plate, 9, the wiring circuit board, 10, the wiring terminal pad, 11, the wiring nail, 14, the middle (center) bearing cover for seat, 15, back casing, 16, the afflux annulate shaft, 17, the middle (center) bearing spacer sleeve, 18, preceding ball bearing, 24, spacer sleeve, 25, collecting ring, 26, dead ring, 27, the tail cover, 28, back ball bearing, 29, transmission component, 30, the collecting ring assembly, 31, brush assembly of electric, 37, cooling liquid inlet connects mouth, and 38, cooling liquid outlet connects mouth, 39, middle casing, 40, cooling chamber, 41, the brush holder pad of obturaging, 42, brushgear housing, 43, terminal block, 44, the brush tow, 45, cooling holes, 46, holding wire.
Embodiment
By above accompanying drawing as can be seen, high speed slip ring device of the present utility model is made up of transmission component 29, collecting ring assembly 30, middle casing 39 and brush assembly of electric 31.The power transmission shaft 1 of transmission component 29 shown in Figure 2 is the cydariform hollow shaft, and front end is outer six square toes, and middle appropriate location is provided with connecting shaft spacer sleeve 4, and the rear end is provided with drive plate 5, and power transmission shaft 1 is supported by the procapsid 6 with big axle journal ball bearing 2.Collecting ring assembly 30 shown in Figure 3 is made up of wiring connecting plate 8, the wiring circuit board 9, wiring terminal pad 10, the afflux annulate shaft 16 that have a wiring nail 11.Afflux annulate shaft 16 is provided with middle (center) bearing spacer sleeve 17, spacer sleeve 24, tail cover 27, is provided with 16 collecting rings 25 and 16 dead rings 26 between spacer sleeve 24 and tail cover 27.Wiring nail 11 corresponding on collecting ring 25 and the wiring circuit board 9 is connected by wire bonds, and afflux annulate shaft 16 front ends are provided with two preceding ball bearings 18, and ball bearing 28 after the rear end is provided with is supported by back casing 15.Back casing 15 is provided with cooling holes 45, cooling liquid inlet connects mouth 37 and cooling liquid outlet connects mouth 38.Wiring connecting plate 8, wiring circuit board 9, wiring terminal pad 10 are connected with drive plate 5 by screw.Brush assembly of electric 31 is made up of brushgear housing 42, terminal block 43,32 bundle brush tow 44, and every bundle brush tow 44 is that 0.11 millimeter brush silk is formed by 30 diameters, and 25 pairs on each collecting ring should have two to restraint and brush tow 44.Brushgear housing 42, terminal block 43 and brush holder obturage the pad 41 by screw on back casing 15, be provided with cooling chamber 40 between brushgear housing 42 and the afflux annulate shaft 16.Procapsid 6 and middle casing 39 are connected by screw.
During use, procapsid 6 is connected with the casing of testpieces, outer six square toes of power transmission shaft 1 are connected with the recessed square of testpieces rotating shaft, and power transmission shaft 1 and afflux annulate shaft 16 rotate synchronously with the testpieces armature spindle, and cooling liquid inlet connects mouth 37 and connects mouth 38 with cooling liquid outlet and be connected with outside liquid-supplying system respectively.Pass power transmission shaft 1, connecting shaft spacer sleeve 4 and drive plate 5 from the epitrochanterian sensor signal lines 46 of testpieces, follow closely 11 with the wiring on the wiring circuit board 9 and be connected.Contact with static the dynamic of brush tow 44 by holding wire 46, collecting ring 25 from the signal of transducer, sensor signal is delivered to signal processing apparatus.
Claims (6)
1. high speed slip ring device, comprise the transmission component (29), collecting ring assembly (30), middle casing (39) and the brush assembly of electric (31) that contain power transmission shaft (1), it is characterized in that: the power transmission shaft (1) of described transmission component (29) is the cydariform hollow shaft, front end is outer six square toes, middle appropriate location is provided with connecting shaft spacer sleeve (4), and the rear end is provided with drive plate (5); Described collecting ring assembly (30) comprises wiring connecting plate (8), has wiring circuit board (9), wiring terminal pad (10), afflux annulate shaft (16) and the back casing (15) of wiring nail (11), afflux annulate shaft (16) is provided with middle (center) bearing spacer sleeve (17), spacer sleeve (24), tail cover (27), be provided with at least two collecting rings (25) and dead ring (26) between spacer sleeve (24) and tail cover (27), collecting ring (25) is gone up corresponding wiring nail (11) with wiring circuit board (9) and is connected by lead; Described brush assembly of electric (31) is made up of brushgear housing (42), terminal block (43), brush tow (44), and brushgear housing (42) and terminal block (43) are fixed on the back casing (15); Described transmission component (29) is connected by middle casing (39) with collecting ring assembly (30).
2. according to the described high speed slip ring device of claim 1, it is characterized in that: described afflux annulate shaft (16) is provided with forward and backward ball bearing (18,28), is supported by back casing (15).
3. according to the described high speed slip ring device of claim 1, it is characterized in that: described power transmission shaft (1) is supported by the procapsid (6) with big axle journal ball bearing (2).
4. according to the described high speed slip ring device of claim 1, it is characterized in that: be provided with cooling chamber (40) between described brushgear housing (42) and the afflux annulate shaft (16).
5. according to the described high speed slip ring device of claim 1, it is characterized in that: described brush tow (44) is that the brush silk of 0.1-0.13 millimeter is formed by 20-50 root diameter.
6. according to the described high speed slip ring device of claim 1, it is characterized in that: respectively there is a branch of brush tow (44) on the both sides up and down of described collecting ring (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201727133U CN201656209U (en) | 2010-04-27 | 2010-04-27 | High-speed slip ring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201727133U CN201656209U (en) | 2010-04-27 | 2010-04-27 | High-speed slip ring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201656209U true CN201656209U (en) | 2010-11-24 |
Family
ID=43121449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201727133U Expired - Lifetime CN201656209U (en) | 2010-04-27 | 2010-04-27 | High-speed slip ring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201656209U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105990781A (en) * | 2015-01-30 | 2016-10-05 | 杭州驰宏科技有限公司 | Wind-power precise conductive slip ring |
| CN109638591A (en) * | 2018-12-10 | 2019-04-16 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of conducting slip ring cooling structure |
| CN109659785A (en) * | 2018-12-10 | 2019-04-19 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of high speed conducting slip ring high-efficient cooling structure |
-
2010
- 2010-04-27 CN CN2010201727133U patent/CN201656209U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105990781A (en) * | 2015-01-30 | 2016-10-05 | 杭州驰宏科技有限公司 | Wind-power precise conductive slip ring |
| CN105990781B (en) * | 2015-01-30 | 2019-04-05 | 杭州驰宏科技有限公司 | A kind of wind-powered electricity generation precise conductive slip ring |
| CN109638591A (en) * | 2018-12-10 | 2019-04-16 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of conducting slip ring cooling structure |
| CN109659785A (en) * | 2018-12-10 | 2019-04-19 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of high speed conducting slip ring high-efficient cooling structure |
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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: 20101124 |