CN201421383Y - Automobile electric power steering (EPS) system sensor signal acquisition unit - Google Patents
Automobile electric power steering (EPS) system sensor signal acquisition unit Download PDFInfo
- Publication number
- CN201421383Y CN201421383Y CN2009200119744U CN200920011974U CN201421383Y CN 201421383 Y CN201421383 Y CN 201421383Y CN 2009200119744 U CN2009200119744 U CN 2009200119744U CN 200920011974 U CN200920011974 U CN 200920011974U CN 201421383 Y CN201421383 Y CN 201421383Y
- Authority
- CN
- China
- Prior art keywords
- slip ring
- guide slot
- electric power
- power steering
- sensor signal
- 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 - Fee Related
Links
Images
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model relates to signal acquisition of an automobile steering system, in particular to an automobile electric power steering (EPS) system sensor signal acquisition unit. A slip ring is installed at the joint of a worm wheel shaft and a steering shaft in a sheathing way. The slip ring is connected with a sensor. An axial guide slot and a spiral guide slot are respectively arranged at the two ends of the slip ring. Two guiding devices are respectively installed on the steering shaft and the worm wheel shaft. The two guiding devices are respectively placed in the axial guide slot andthe spiral guide slot in a sliding way. The ring slot of the slip ring is connected with a sensor. When the worm wheel shaft rotates relatively to the steering shaft, the slip ring moves along the guide slot of the steering shaft, the spiral guide slot ensures the rotation flexibility and the linear movement of the slip ring, the angular displacement is turned to the linear displacement and a displacement signal is output to the sensor. Self-lubricating materials are used for the inner chamber of the slip ring. Thereby, the service life of the shaft and the ring is improved, and the flexibility and the accuracy of the relative movement between the shaft and the ring can be improved.
Description
Technical field:
The utility model relates to signal gathering unit, particularly the signal gathering unit of automobile steering system.
Background technology:
Worm-wheel shaft and steering axle junction need the installation and measuring sensor in the electric power steering system of automobile, so that obtain the angular displacement change detection signal of worm-wheel shaft and steering axle, at present between worm-wheel shaft and the steering axle by having guide pole in the body, a plurality of balls are housed between body and worm-wheel shaft and the steering axle, similar is in ball bearing, and is not only complicated, the processing cost height, inconvenience is installed, and kinematic dexterity and measuring accuracy are all undesirable.
Summary of the invention:
The purpose of this utility model is to overcome above-mentioned not enough problem, and a kind of electric power steering system of automobile EPS collecting sensor signal unit is provided, and simple in structure, dirigibility is strong, measuring accuracy height, long service life.
The technical scheme that the utility model is adopted for achieving the above object is: electric power steering system of automobile EPS collecting sensor signal unit, slip ring sleeve is contained in the junction of worm-wheel shaft and steering axle, slip ring connects sensor, and two ends have axially directed groove and spiral guide slot, a guide piece is installed respectively on steering axle and the worm-wheel shaft, and two guide pieces slide respectively and place in axially directed groove and the spiral guide slot.
Have annular groove on the described slip ring excircle wall, annular groove is between axially directed groove and spiral guide slot, and annular groove links to each other with sensor contact.
Described guide piece is a rolling bearing.
Described slip ring inner chamber has the self-lubricating material layer.
The utility model is straight-line displacement with the angular displacement of worm-wheel shaft and steering axle by the slip ring conversion of motion, thereby makes sensor obtain coherent signal.The annular groove of slip ring links to each other with sensor, when the relative steering axle of worm-wheel shaft rotates, slip ring can move along the gathering sill of steering axle, spiral guide slot guarantees that slip ring rotates flexibly, simultaneously with axially directed groove common guarantee rectilinear motion, angular displacement is converted into straight-line displacement, to sensor carry-out bit shifting signal.Adopt rolling bearing to be connected because slip ring links to each other with steering axle with worm-wheel shaft in addition, the employing of slip ring inner chamber has the material of self-lubricating function, not only improves the serviceable life of axle, ring, can also improve dirigibility, the accuracy of moving mutually between them.
Description of drawings:
Fig. 1 is the utility model structural representation.
Embodiment:
Electric power steering system of automobile EPS collecting sensor signal unit as shown in Figure 1, slip ring 4 is sleeved on the junction of worm-wheel shaft 5 and steering axle 1, slip ring 4 inner chambers have the self-lubricating material layer, have annular groove 7 on the slip ring excircle wall, the contact of mounting torque sensor 3 on the annular groove 7, slip ring 4 two ends have axially directed groove 8 and spiral guide slot 6, annular groove 7 is between axially directed groove 8 and spiral guide slot 6, fixedly mount a guide piece 2---rolling bearing on worm-wheel shaft 5 and the steering axle 1 respectively, rolling bearing on the worm-wheel shaft slides and places in the spiral guide slot, and the rolling bearing on the steering axle slides and places in the axially directed groove.
Claims (4)
1, electric power steering system of automobile EPS collecting sensor signal unit, it is characterized in that: slip ring sleeve is contained in the junction of worm-wheel shaft and steering axle, slip ring connects sensor, and two ends have axially directed groove and spiral guide slot, fixedly mount a guide piece on steering axle and the worm-wheel shaft respectively, two guide pieces place respectively in axially directed groove and the spiral guide slot.
2, electric power steering system of automobile EPS collecting sensor signal according to claim 1 unit, it is characterized in that: have annular groove on the slip ring excircle wall, annular groove is between axially directed groove and spiral guide slot, and annular groove links to each other with sensor contact.
3, electric power steering system of automobile EPS collecting sensor signal according to claim 1 and 2 unit, it is characterized in that: guide piece is a rolling bearing.
4, electric power steering system of automobile EPS collecting sensor signal according to claim 1 and 2 unit, it is characterized in that: the slip ring inner chamber has the self-lubricating material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200119744U CN201421383Y (en) | 2009-03-13 | 2009-03-13 | Automobile electric power steering (EPS) system sensor signal acquisition unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200119744U CN201421383Y (en) | 2009-03-13 | 2009-03-13 | Automobile electric power steering (EPS) system sensor signal acquisition unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201421383Y true CN201421383Y (en) | 2010-03-10 |
Family
ID=41808043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200119744U Expired - Fee Related CN201421383Y (en) | 2009-03-13 | 2009-03-13 | Automobile electric power steering (EPS) system sensor signal acquisition unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201421383Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494818A (en) * | 2011-12-02 | 2012-06-13 | 温州大学 | Torque sensor for double-laser signal |
| CN104122017A (en) * | 2013-04-24 | 2014-10-29 | 哈尔滨飞机工业集团有限责任公司 | Hinge moment measurement system of helicopter main blade dynamic balance testing bench |
-
2009
- 2009-03-13 CN CN2009200119744U patent/CN201421383Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494818A (en) * | 2011-12-02 | 2012-06-13 | 温州大学 | Torque sensor for double-laser signal |
| CN102494818B (en) * | 2011-12-02 | 2013-07-31 | 温州大学 | Torque sensor for double-laser signal |
| CN104122017A (en) * | 2013-04-24 | 2014-10-29 | 哈尔滨飞机工业集团有限责任公司 | Hinge moment measurement system of helicopter main blade dynamic balance testing bench |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102632509B (en) | Elastically-driven modular joint with force feedback control | |
| CN203883608U (en) | Electric push rod | |
| CN103153756B (en) | Ball-screw apparatus, linear actuators and wheel steering system | |
| WO2012024596A3 (en) | Mechanical actuator | |
| CN104527323A (en) | Wheel set integrating driving function and steering function | |
| CN110228545A (en) | A kind of linear joint and leg biped robot | |
| CN203427881U (en) | Turn angle detection device used for measuring turn angle of automobile steering wheel | |
| CN201421383Y (en) | Automobile electric power steering (EPS) system sensor signal acquisition unit | |
| CN103158025B (en) | A kind of bearing integral supporting structure for ball-screw support end | |
| CN202091351U (en) | Thrust bearing provided with novel structure and used for steering axle of automobile | |
| CN201828370U (en) | Automotive steering torque measurement device | |
| CN103542055A (en) | Swivel nut combination unit | |
| CN205482989U (en) | Many rings of encoders based on hall sensor | |
| CN202953036U (en) | Integrated gear-rack type electric steering device | |
| BR0315838A (en) | Electric driven pressing device | |
| CN202455221U (en) | Turntable with high integration and precision | |
| CN201401445Y (en) | Automobile hub bearing unit | |
| CN103269939B (en) | Vehicle steering apparatus | |
| CN202101801U (en) | Signal acquisition device for torque sensor | |
| CN106335055A (en) | Robot steering engine assembly and robot | |
| CN203739969U (en) | Pinion-type electric power steering gear adopting novel sensor | |
| CN102563017A (en) | Double-worm turntable bearing swing driving pair | |
| CN114207320A (en) | Planetary roller screw driving device | |
| CN201991928U (en) | Axial bidirectional locating ball bearing | |
| CN203528739U (en) | Center shaft system with sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100310 Termination date: 20180313 |