CN108715187B - Double-layer long spring type torque signal acquisition device - Google Patents
Double-layer long spring type torque signal acquisition device Download PDFInfo
- Publication number
- CN108715187B CN108715187B CN201810660982.5A CN201810660982A CN108715187B CN 108715187 B CN108715187 B CN 108715187B CN 201810660982 A CN201810660982 A CN 201810660982A CN 108715187 B CN108715187 B CN 108715187B
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- shaft
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- outer shaft
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0457—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such
- B62D5/046—Controlling the motor
- B62D5/0463—Controlling the motor calculating assisting torque from the motor based on driver input
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
Abstract
The invention discloses a double-layer long spring type torque signal acquisition device which comprises an inner shaft, an outer shaft, a first bearing, a spring pressing plate, a first spring stop block, a second bearing, an elastic retainer ring for an elastic retainer shaft for a shaft, an angle sensor, a second spring stop block for a bottom cover, a first spring cover plate, a spring, a second spring cover plate, a bottom cover and an external cover, wherein the inner shaft is connected with the outer shaft through the first bearing; the inner shaft is sleeved in the outer shaft, an upper end bearing positioning shaft shoulder for positioning a first bearing is arranged at the upper end of the inner side of the outer shaft, and a lower end bearing positioning shaft shoulder for positioning a second bearing is also arranged at the middle lower end of the inner side of the outer shaft; 1) The invention has simple structure, convenient part processing and no welding piece; (2) The invention has compact structure, small and attractive appearance and small occupied space; (3) The torque signal acquisition device is convenient to mount and dismount between parts and between the torque signal acquisition device and other steering shafts, and the parts are mutually independent and only need to be dismounted by removing bolts.
Description
Technical Field
The invention relates to the field of torque signal detection, in particular to a double-layer long spring type torque signal acquisition device.
Background
In an electric power steering system, a torque signal acquisition device is one of key components, and the main function of the torque signal acquisition device is that an angle sensor at the bottom acquires an angle through which an inner shaft rotates and transmits the angle to an electronic control unit ECU in an electric signal mode, and the ECU sends out a command to enable a motor to output proper power-assisted torque. In the existing torque signal acquisition device, the problems that welding parts are more, the welding parts cannot be detached, the internal structure is exposed, the welding parts cannot be used in some special environments and the like exist. Based on the problems, the scheme is characterized in that all the bolts are connected, no welding piece exists, the disassembly is convenient, meanwhile, the closed structure is adopted, the internal structure is not in direct contact with the outside, the inside of the device is well protected, and the service life is prolonged.
Disclosure of Invention
The invention aims to solve the problems that the existing torque signal acquisition device has a large number of welding parts, cannot be disassembled, occupies a large space, has an exposed internal structure and cannot be disassembled and assembled quickly, and provides a double-layer long spring type torque signal acquisition device which has the advantages of simple structure, compact installation, small occupied space and convenience in disassembly and assembly, wherein internal parts are wrapped by an outer shaft and are not in direct contact with the outside, so that the internal parts are better protected, the service life is prolonged, and the double-layer long spring type torque signal acquisition device can be used on various storage equipment vehicle models.
The invention realizes the above purpose through the following technical scheme: the double-layer long spring type torque signal acquisition device comprises an inner shaft, an outer shaft, a first bearing, a spring pressing plate, a first spring stop block, a second bearing, an elastic retainer ring for an elastic retainer shaft for the shaft, an angle sensor, a bottom cover second spring stop block, a first spring cover plate, a spring, a second spring cover plate, a bottom cover and an external cover; the inner shaft is sleeved in the outer shaft, an upper end bearing positioning shaft shoulder for positioning a first bearing is arranged at the upper end of the inner side of the outer shaft, and a lower end bearing positioning shaft shoulder for positioning a second bearing is also arranged at the middle lower end of the inner side of the outer shaft;
the upper ends of the inner shaft and the outer shaft are connected through a first bearing, the lower end face of the first bearing is clung to the step side face of the positioning shaft shoulder of the upper end bearing, the external cover is fixed on the upper end face of the inner shaft, and the upper end face part of the first bearing is clung to the lower end face of the external cover; the lower end of the inner shaft is connected with the middle lower end of the inner side of the outer shaft through a second bearing, the upper end face of the second bearing is clung to the side face of a step of a positioning shaft shoulder of the lower end bearing, a check ring groove for fixing the second bearing is further formed in the inner shaft, the shaft is fixed in the check ring groove through an elastic check ring, the upper end of the shaft is clung to the lower end face of the second bearing, and the shaft is restrained from moving in the axial direction through the elastic check ring;
a rectangular hole is formed in the inner shaft between the first bearing and the second bearing, the spring pressing plate is fixedly arranged in the large rectangular hole, and two ends of the spring pressing plate extend out of the rectangular hole of the inner shaft;
a pair of symmetrical axial grooves are formed in the inner wall of the outer shaft between the first bearing and the second bearing, a first spring stop block and a second spring stop block are sequentially arranged in each axial groove from top to bottom, a first spring cover plate is arranged above the first spring stop block, a second spring stop block is arranged between the first spring stop block and the second spring stop block, the first spring cover plate and the second spring cover plate are arc-shaped, the first spring cover plate is used for covering a space between the outer shaft and the inner shaft above the first spring stop block, and the second spring cover plate is used for covering a space between the first spring stop block and the second spring stop block;
eight sections of springs are arranged and are semi-circular, and a section of spring is arranged between each spring pressing plate and the first spring stop block or the second spring stop block on two sides of each spring pressing plate;
the outer shaft is axially provided with a rectangular groove, the part of the spring pressing plate extending out of the inner shaft is directly inserted into the rectangular groove formed in the outer shaft, gaps are formed in the spring pressing plate and the rectangular groove formed in the outer shaft in the front-back left-right direction, and when the inner shaft rotates for a certain angle, the spring pressing plate contacts with the rectangular groove formed in the outer shaft and drives the outer shaft to rotate together;
the bottom of the inner shaft is provided with a round hole, and the lower end part of the rectangular hole is communicated with the round hole formed in the bottom of the inner shaft;
the bottom cover is fixed at the bottom of the outer shaft, the bottom of the bottom cover is provided with a wire outlet hole, the angle sensor is fixedly arranged on the bottom cover, the wire of the angle sensor extends out through the wire outlet hole arranged at the bottom of the bottom cover, the top of the angle sensor is inserted into the round hole arranged at the bottom of the inner shaft, the connector of the angle sensor abuts against the spring pressing plate, and the connector of the angle sensor rotates along with the spring pressing plate when the spring pressing plate rotates.
Further, the maximum outer diameter of the bottom cover is smaller than the maximum outer diameter of the outer shaft.
Further, the inner shaft is provided with five sections of shoulders, namely a first shoulder, a second shoulder, a third shoulder, a fourth shoulder and a fifth shoulder from top to bottom, the inner side of the first bearing is clung to the first shoulder of the inner shaft, the rectangular hole is formed in the second shoulder of the inner shaft, the inner side of the second bearing is clung to the third shoulder of the inner shaft, the check ring groove is formed in the fourth shoulder of the inner shaft, the maximum outer diameter of the fifth shoulder of the inner shaft is equal to the maximum outer diameter of the third shoulder of the inner shaft, and the fifth shoulder of the inner shaft is used for supporting the lower end face of the elastic check ring for the shaft.
Further, four sections of shoulders are formed in the outer shaft, namely a first shoulder, a second shoulder, a third shoulder and a fourth shoulder are formed in the outer shaft from top to bottom, the outer side of the first bearing is clung to the first shoulder of the outer shaft, an axial groove is formed in the inner wall of the second shoulder of the outer shaft, and two rectangular grooves which are symmetrically arranged are formed in the inner wall of the second shoulder of the outer shaft; the outer side of the first bearing is clung to a third shoulder of the outer shaft; the angle sensor is mounted in a cavity inside the fourth shoulder of the outer shaft.
Further, the middle part of the bottom cover is provided with a mounting groove, the bottom part of the angle sensor protrudes, and the protruding part of the bottom of the angle sensor is arranged in the mounting groove of the bottom cover.
The invention has the beneficial effects that: (1) The invention has simple structure, convenient part processing and no welding piece; (2) The invention has compact structure, small and attractive appearance and small occupied space; (3) The torque signal acquisition device is convenient to mount and dismount between parts and between the torque signal acquisition device and other steering shafts, and the parts are mutually independent and only need to be dismounted by removing bolts; (4) The invention has the advantages that the appearance is closed, the influence of dust and impurities can be effectively avoided, the abrasion among parts can be greatly reduced, the lubrication of structures such as an internal bearing and the like is ensured, and the service life of the internal parts is prolonged. Based on the advantages, the device can adapt to steering systems of various warehouse logistics vehicles.
Drawings
Fig. 1 is a schematic structural diagram of a double-layer long spring type torque signal acquisition device according to the present invention.
FIG. 2 is a schematic cross-sectional view of the inner shaft of the present invention.
In the figure, a 1-external cover, a 2-first bearing, a 3-inner shaft, a 4-outer shaft, a 5-first spring cover plate, a 6-first spring stop block, a 7-second spring cover plate, an 8-second spring stop block, a 9-spring pressing plate, a 10-bottom cover, an 11-angle sensor, a 12-second bearing, a 13-shaft circlip and a 14-spring.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-2, a double-layer long spring type torque signal acquisition device comprises an inner shaft 3, an outer shaft 4, a first bearing 2, a spring pressing plate 9, a first spring stop 6, a second bearing 12, a shaft circlip 13, an angle sensor 11, a bottom cover 10, a second spring stop 8, a first spring cover plate 5, a shaft circlip 13, a second spring cover plate 7, a bottom cover 10 and an external cover 1; the inner shaft 3 is sleeved inside the outer shaft 4, an upper end bearing positioning shaft shoulder for positioning the first bearing 2 is arranged at the upper end of the inner side of the outer shaft 4, and a lower end bearing positioning shaft shoulder for positioning the second bearing 12 is also arranged at the middle lower end of the inner side of the outer shaft 4.
The upper ends of the inner shaft 3 and the outer shaft 4 are connected through a first bearing 2, the lower end face of the first bearing 2 is clung to the step side face of the bearing positioning shaft shoulder at the upper end, the external cover 1 is fixed on the upper end face of the inner shaft 3, and the upper end face part of the first bearing 2 is clung to the lower end face of the external cover 1; the external cover 1 is connected with external equipment, and plays a role in connecting the whole device with the external equipment.
The lower end of the inner shaft 3 is connected with the middle lower end of the inner side of the outer shaft 4 through a second bearing 12, the upper end face of the second bearing 12 is clung to the step side face of a lower end bearing positioning shaft shoulder, a check ring groove for fixing the second bearing 12 is further formed in the inner shaft 3, a shaft elastic check ring 13 is fixed in the check ring groove, the upper end of the shaft elastic check ring 13 is clung to the lower end face of the second bearing 12, and the shaft elastic check ring 13 is used for restraining the axial movement of the second bearing 12.
Rectangular holes are formed in the inner shaft 3 between the first bearing 2 and the second bearing 12, the spring pressing plate 9 is fixedly arranged in the large rectangular holes, and two ends of the spring pressing plate 9 extend out of the rectangular holes of the inner shaft 3.
A pair of axial grooves which are symmetrically arranged are formed in the inner wall of the outer shaft 4 between the first bearing 2 and the second bearing 12, a first spring stop block 6 and a second spring stop block 8 are sequentially arranged in each axial groove from top to bottom, a first spring cover plate 5 is arranged above the first spring stop block 6, a second spring stop block 8 is arranged between the first spring stop block 6 and the second spring stop block 8, both the first spring cover plate 5 and the second spring cover plate 7 are arc-shaped, the first spring cover plate 5 is used for covering a space between the outer shaft 4 and the inner shaft 3 above the first spring stop block 6, and the second spring cover plate 7 is used for covering a space between the first spring stop block 6 and the second spring stop block 8. The first spring cover plate 5 and the second spring cover plate 7 can prevent the spring 14 from sideslip and increase the installation pre-tightening force of the spring 14.
Eight sections of elastic check rings 13 for shafts are arranged and are semi-circular, and one section of elastic check ring 13 for shafts is arranged between each spring pressing plate 9 and the first spring check block 6 or the second spring check block 8 on two sides of each spring pressing plate.
The outer shaft 4 is axially provided with a rectangular groove, the part of the spring pressing plate 9 extending out of the inner shaft 3 is directly inserted into the rectangular groove formed in the outer shaft 4, gaps are formed in the front, back, left and right directions of the spring pressing plate 9 and the rectangular groove formed in the outer shaft 4, and when the inner shaft 3 rotates for a certain angle, the spring pressing plate 9 contacts with the rectangular groove formed in the outer shaft 4 and drives the outer shaft 4 to rotate together.
The bottom of the inner shaft 3 is provided with a round hole, and the lower end part of the rectangular hole is communicated with the round hole formed in the bottom of the inner shaft 3.
The bottom cover 10 is fixed at the bottom of the outer shaft 4, a wire outlet hole is formed in the bottom of the bottom cover 10, the angle sensor 11 is fixedly mounted on the bottom cover 10 of the bottom cover 10, wiring of the angle sensor 11 extends out through the wire outlet hole formed in the bottom of the bottom cover 10, the top of the angle sensor 11 is inserted into a round hole formed in the bottom of the inner shaft 3, a connector of the angle sensor 11 abuts against the spring pressing plate, and the connector of the angle sensor 11 rotates along with the spring pressing plate when the spring pressing plate 9 rotates.
The maximum outer diameter of the bottom cap 10 is smaller than the maximum outer diameter of the outer shaft 4.
The inner shaft 3 is provided with five sections of shoulders, namely a first shoulder, a second shoulder, a third shoulder, a fourth shoulder and a fifth shoulder from top to bottom, the inner side of the first bearing 2 is clung to the first shoulder of the inner shaft 3, the rectangular hole is formed in the second shoulder of the inner shaft 3, the inner side of the second bearing 12 is clung to the third shoulder of the inner shaft 3, the check ring groove is formed in the fourth shoulder of the inner shaft 3, the maximum outer diameter of the fifth shoulder of the inner shaft 3 is equal to the maximum outer diameter of the third shoulder of the inner shaft 3, and the fifth shoulder of the inner shaft 3 is used for supporting the lower end face of the elastic check ring 13 for the shaft.
The outer shaft 4 is provided with four sections of shoulders, namely a first shoulder, a second shoulder, a third shoulder and a fourth shoulder from top to bottom, the outer side of the first bearing 2 is tightly attached to the first shoulder of the outer shaft 4, the axial groove is formed in the inner wall of the second shoulder of the outer shaft 4, and two rectangular grooves which are symmetrically arranged are formed in the inner wall of the second shoulder of the outer shaft 4; the outer side of the first bearing 2 abuts against a third shoulder of the outer shaft 4; the angle sensor 11 is mounted in a cavity inside the fourth shoulder of the outer shaft 4.
The middle part of the bottom cover 10 is provided with a mounting groove, the bottom part of the angle sensor 11 protrudes, and the protruding part of the bottom of the angle sensor 11 is arranged in the mounting groove of the bottom cover 10.
The specific working procedure of the invention is as follows: when the steering wheel is rotated, the external cover 1 drives the inner shaft to rotate, the inner shaft 3 can compress the spring 14 to a certain extent to drive the outer shaft 4 to rotate together, and meanwhile, the spring piece pressing plate 9 can drive the top rotating head of the angle sensor 11 to rotate, so that the angle sensor 11 records the rotated angle and converts the signal into a voltage signal to be output to the electronic control unit. When the device works, the device can be divided into two working states, wherein the first working state is that when the inner shaft 3 rotates, the angle sensor 11 records the rotated angle and converts the rotated angle into an electric signal for output; the second working state is that after the inner shaft 3 rotates to a certain angle, the inner shaft drives the outer shaft 4 to rotate together by compressing the spring 14 to a certain angle.
The above embodiments are only preferred embodiments of the present invention, and are not limiting to the technical solutions of the present invention, and any technical solution that can be implemented on the basis of the above embodiments without inventive effort should be considered as falling within the scope of protection of the patent claims of the present invention.
Claims (3)
1. A double-deck long spring type torque signal acquisition device which characterized in that: the device comprises an inner shaft (3), an outer shaft (4), a first bearing (2), a spring pressing plate (9), a first spring stop block (6), a second bearing (12), a shaft circlip (13) of a shaft circlip (13), an angle sensor (11), a bottom cover (10), a second spring stop block (8), a first spring cover plate (5), a shaft circlip (13), a second spring cover plate (7), a bottom cover (10) and an external cover (1); the inner shaft (3) is sleeved inside the outer shaft (4), an upper end bearing positioning shaft shoulder for positioning the first bearing (2) is arranged at the upper end of the inner side of the outer shaft (4), and a lower end bearing positioning shaft shoulder for positioning the second bearing (12) is also arranged at the middle lower end of the inner side of the outer shaft (4);
the upper end of the inner shaft (3) is connected with the upper end of the outer shaft (4) through a first bearing (2), the lower end face of the first bearing (2) is clung to the step side face of the positioning shaft shoulder of the upper end bearing, the external cover (1) is fixed on the upper end face of the inner shaft (3), and the upper end face part of the first bearing (2) is clung to the lower end face of the external cover (1); the lower end of the inner shaft (3) is connected with the middle lower end of the inner side of the outer shaft (4) through a second bearing (12), the upper end surface of the second bearing (12) is clung to the step side surface of a lower end bearing positioning shaft shoulder, a check ring groove for fixing the second bearing (12) is further formed in the inner shaft (3), a shaft elastic check ring (13) is fixed in the check ring groove, the upper end of the shaft elastic check ring (13) is clung to the lower end surface of the second bearing (12), and the shaft elastic check ring (13) is used for restraining the axial movement of the second bearing (12);
a rectangular hole is formed in the inner shaft (3) between the first bearing (2) and the second bearing (12), a spring pressing plate (9) is fixedly arranged in the large rectangular hole, and two ends of the spring pressing plate (9) extend out of the rectangular hole of the inner shaft (3);
a pair of symmetrical axial grooves are formed in the inner wall of the outer shaft (4) between the first bearing (2) and the second bearing (12), a first spring stop block (6) and a second spring stop block (8) are sequentially arranged in each axial groove from top to bottom, a first spring cover plate (5) is arranged above the first spring stop block (6), a second spring stop block (8) is arranged between the first spring stop block (6) and the second spring stop block (8), the first spring cover plate (5) and the second spring cover plate (7) are all arc-shaped, the first spring cover plate (5) is used for covering a space between the outer shaft (4) and the inner shaft (3) above the first spring stop block (6), and the second spring cover plate (7) is used for covering a space between the first spring stop block (6) and the second spring stop block (8);
eight sections of elastic check rings (13) for shafts are arranged and are in semicircular arc shapes, and a section of elastic check ring (13) for shafts is arranged between each spring pressing plate (9) and the first spring stop block (6) or the second spring stop block (8) on two sides of the spring pressing plate;
the outer shaft (4) is axially provided with a rectangular groove, the part, extending out of the inner shaft (3), of the spring pressing plate (9) is directly inserted into the rectangular groove formed in the outer shaft (4), gaps are formed between the spring pressing plate (9) and the rectangular groove formed in the outer shaft (4) in the front-back left-right direction, and when the inner shaft (3) rotates for a certain angle, the spring pressing plate (9) contacts with the rectangular groove formed in the outer shaft (4) and drives the outer shaft (4) to rotate together;
a round hole is formed in the bottom of the inner shaft (3), and the lower end part of the rectangular hole is communicated with the round hole formed in the bottom of the inner shaft (3); the inner shaft (3) is provided with five sections of shoulders, namely a first shoulder, a second shoulder, a third shoulder, a fourth shoulder and a fifth shoulder from top to bottom, the inner side of the first bearing (2) is tightly attached to the first shoulder of the inner shaft (3), the rectangular hole is formed in the second shoulder of the inner shaft (3), the inner side of the second bearing (12) is tightly attached to the third shoulder of the inner shaft (3), the retainer ring groove is formed in the fourth shoulder of the inner shaft (3), the maximum outer diameter of the fifth shoulder of the inner shaft (3) is equal to the maximum outer diameter of the third shoulder of the inner shaft (3), and the fifth shoulder of the inner shaft (3) is used for supporting the lower end face of the elastic retainer ring (13) for the shaft;
the outer shaft (4) is provided with four sections of shoulders, namely a first shoulder, a second shoulder, a third shoulder and a fourth shoulder from top to bottom, the outer side of the first bearing (2) is clung to the first shoulder of the outer shaft (4), the axial groove is formed in the inner wall of the second shoulder of the outer shaft (4), and two rectangular grooves which are symmetrically arranged are formed in the inner wall of the second shoulder of the outer shaft (4); the outer side of the first bearing (2) is clung to a third shoulder of the outer shaft (4); the angle sensor (11) is arranged in a cavity inside the fourth shoulder of the outer shaft (4);
the bottom cover (10) is fixed at the bottom of the outer shaft (4), a wire outlet hole is formed in the bottom of the bottom cover (10), the angle sensor (11) is fixedly installed on the bottom cover (10) of the bottom cover (10), wiring of the angle sensor (11) extends out through the wire outlet hole formed in the bottom of the bottom cover (10), the top of the angle sensor (11) is inserted into a round hole formed in the bottom of the inner shaft (3), a connector of the angle sensor (11) abuts against the spring pressing plate, and the connector of the angle sensor (11) rotates along with the spring pressing plate when the spring pressing plate (9) rotates.
2. The double-deck long spring type torque signal acquisition device according to claim 1, wherein: the maximum outer diameter of the bottom cover (10) is smaller than the maximum outer diameter of the outer shaft (4).
3. The double-deck long spring type torque signal acquisition device according to claim 1, wherein: the middle part of the bottom cover (10) is provided with a mounting groove, the bottom part of the angle sensor (11) protrudes, and the protruding part of the bottom of the angle sensor (11) is arranged in the mounting groove of the bottom cover (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810660982.5A CN108715187B (en) | 2018-06-25 | 2018-06-25 | Double-layer long spring type torque signal acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810660982.5A CN108715187B (en) | 2018-06-25 | 2018-06-25 | Double-layer long spring type torque signal acquisition device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108715187A CN108715187A (en) | 2018-10-30 |
| CN108715187B true CN108715187B (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810660982.5A Active CN108715187B (en) | 2018-06-25 | 2018-06-25 | Double-layer long spring type torque signal acquisition device |
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| Country | Link |
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| CN (1) | CN108715187B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002267550A (en) * | 2001-03-09 | 2002-09-18 | Koyo Seiko Co Ltd | Torque detecting device and steering device |
| JP2003075273A (en) * | 2001-09-07 | 2003-03-12 | Toyoda Mach Works Ltd | Torque sensor |
| JP2007078554A (en) * | 2005-09-15 | 2007-03-29 | Tcm Corp | Steering angle detection device |
| JP2014169025A (en) * | 2013-03-04 | 2014-09-18 | Jtekt Corp | Vehicle steering device |
| CN104787109A (en) * | 2015-03-12 | 2015-07-22 | 青岛科技大学 | Cam type vehicle steer-by-wire steering wheel device |
| CN105501292A (en) * | 2016-01-05 | 2016-04-20 | 浙江工业大学 | Three-support-point forklift electric power steering device |
| DE102014019547B3 (en) * | 2014-12-23 | 2016-05-12 | Samson Ag | Torque and angle sensor and actuator |
| CN106741139A (en) * | 2016-12-16 | 2017-05-31 | 吉林大学 | Double-rotor machine wire-controlled steering system and its failure protection device and control method |
| CN208469919U (en) * | 2018-06-25 | 2019-02-05 | 浙江工业大学 | A kind of long spring dtc signal acquisition device of bilayer |
-
2018
- 2018-06-25 CN CN201810660982.5A patent/CN108715187B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002267550A (en) * | 2001-03-09 | 2002-09-18 | Koyo Seiko Co Ltd | Torque detecting device and steering device |
| JP2003075273A (en) * | 2001-09-07 | 2003-03-12 | Toyoda Mach Works Ltd | Torque sensor |
| JP2007078554A (en) * | 2005-09-15 | 2007-03-29 | Tcm Corp | Steering angle detection device |
| JP2014169025A (en) * | 2013-03-04 | 2014-09-18 | Jtekt Corp | Vehicle steering device |
| DE102014019547B3 (en) * | 2014-12-23 | 2016-05-12 | Samson Ag | Torque and angle sensor and actuator |
| CN104787109A (en) * | 2015-03-12 | 2015-07-22 | 青岛科技大学 | Cam type vehicle steer-by-wire steering wheel device |
| CN105501292A (en) * | 2016-01-05 | 2016-04-20 | 浙江工业大学 | Three-support-point forklift electric power steering device |
| CN106741139A (en) * | 2016-12-16 | 2017-05-31 | 吉林大学 | Double-rotor machine wire-controlled steering system and its failure protection device and control method |
| CN208469919U (en) * | 2018-06-25 | 2019-02-05 | 浙江工业大学 | A kind of long spring dtc signal acquisition device of bilayer |
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|---|---|
| CN108715187A (en) | 2018-10-30 |
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