CN204472881U - Cam-type vehicle line traffic control steering direction dish device - Google Patents
Cam-type vehicle line traffic control steering direction dish device Download PDFInfo
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- CN204472881U CN204472881U CN201520138018.8U CN201520138018U CN204472881U CN 204472881 U CN204472881 U CN 204472881U CN 201520138018 U CN201520138018 U CN 201520138018U CN 204472881 U CN204472881 U CN 204472881U
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Abstract
The utility model discloses a kind of cam-type vehicle line traffic control steering direction dish device, be intended to the anglec of rotation accurately detecting bearing circle, adjustable, suitable road feel can be provided for chaufeur, and mode of operation can be changed under different operating modes, adjustment direction dish completes the rotation number of turns entirely turned to.Center shaft is arranged on upper end cover and casing by bearing, magnet coil is fixedly mounted in magnet coil box, magnet coil box and upper end cover are fixedly connected, dampened disk and center shaft are fixedly connected, stop nut coordinates with the threaded portion transmission of center shaft to be installed, baffle ring suit on center shaft, driven frame coordinates with two pieces, front and back groove barrier slides to be installed, camshaft and DC machine output shaft are fixedly connected, cam to be coordinated with camshaft by pre-tightening mechanism to be installed, first proximity switch is fixedly mounted on casing, second proximity switch is fixedly mounted on rear side groove baffle plate.The utility model is applicable to vehicle as steering-by-wire bearing circle.
Description
Technical field
The utility model relates to a kind of vehicle steering device, specifically a kind of cam-type vehicle line traffic control steering direction dish device.
Background technology
The function of steering swivel system is the travel direction of maneuver vehicle, and system should be able to keep vehicle stabilization ground linearly to travel as required, and can change travel direction neatly as requested.To the basic demand of steering swivel system be handle light and flexible, working stability reliable, use economical durable, turning efficiency ensures vehicle safe driving, alleviates the labour intensity of chaufeur, improves the key factor of work production rate.Steering swivel system is the crucial assembly determining vehicle safety and operating efficiency.
Number of patent application is the vehicle line traffic control steering direction dish device patent of 201310322163.7, can change mode of operation, adjustment direction dish completes the rotation number of turns entirely turned under different operating modes.In described vehicle line traffic control steering direction dish device when bearing circle left-handed turning, steering wheel column drives second driving shaft, torque sensor, the synchronous anticlockwise direction of 4th gear wheel shaft rotates, now the second free-wheel clutch is in running order, 4th gear wheel shaft drives the inner ring anticlockwise direction of the second free-wheel clutch to rotate, the inner ring of the second free-wheel clutch drives outer ring, outer ring drives the second gear wheel shaft anticlockwise direction to rotate, second gear wheel shaft drives the 3rd gear wheel shaft clockwise direction to rotate, 3rd gear wheel shaft drives the first gear wheel shaft anticlockwise direction to rotate, the gear driven gear of described 4th gear wheel shaft rotates clockwise, because the transmission direction of the first free-wheel clutch and the second free-wheel clutch is identical, so the first free-wheel clutch is in idling conditions, first gear wheel shaft can not drive the first drive axis, electric control unit can adjust according to transmitting the information of road surface come the torque that suitable magnitude of voltage control motor output rotates counterclockwise direction, be applied on bearing circle by the 3rd gear wheel shaft and the second gear wheel shaft and produce corresponding dumping force, namely corresponding road feel can be provided to feed back to chaufeur, torque sensor constantly detects the rotating torque of bearing circle and exports electric signal, control the magnitude of voltage of adjustment motor, and then reach suitable road feel state.Not only easily occur motor rotation blockage phenomenon, and free-wheel clutch is complicated, complicated in mechanical structure, adds installation difficulty, causes manufacturing cost higher simultaneously.
Therefore design a kind of new vehicle steering-by-wire steering wheel arrangement to become and be necessary very much, be conducive to the exploitation, the Developing Application that promote wire-controlled steering system.
Summary of the invention
The cam-type vehicle line traffic control steering direction dish device that the utility model provides, deficiency of the prior art can be overcome, simplify mechanical device structure, reduce installation difficulty and cost, accurately can detect the anglec of rotation of bearing circle simultaneously, safe and reliable, adjustable, suitable road feel can be provided for chaufeur, and mode of operation can be changed under different operating modes, adjustment direction dish completes the rotation number of turns entirely turned to.
In order to solve above-mentioned technical matters, the utility model adopts following technical proposals: primarily of center shaft, upper end cover, magnet coil, magnet coil box, dampened disk, casing, stop nut, baffle ring, angular-motion transducer, cover plate, bearing seat, bracing frame, pre-tightening mechanism, camshaft, baffle plate, driven frame, cam, motor supporting base, DC machine, the first proximity switch, groove baffle plate, the second proximity switch composition, the upper end of described center shaft is arranged on upper end cover by bearing, the lower end of described center shaft is arranged on casing by bearing, described center shaft is processed with motion thread, described upper end cover is fixedly mounted on casing, described magnet coil is fixed in magnet coil box, described magnet coil box and upper end cover are fixedly connected, described center shaft is through the centre hole of magnet coil box, gap is provided with between the centre hole of described center shaft and magnet coil box, described dampened disk and center shaft are fixedly connected, the profile of described stop nut is rectangle, described stop nut coordinates with the threaded portion transmission of center shaft to be installed, the leading flank of described stop nut and the front inner wall of lower box are slidably installed, the trailing flank of described stop nut and the trailing flank inwall of lower box are slidably installed, the lower end of described stop nut is provided with sensor block, described baffle ring fixed installation on center shaft, described baffle ring is provided with block, the housing of described angular-motion transducer is fixedly mounted on the lower end of casing, the input hollow shaft of described angular-motion transducer and the lower end of center shaft are fixedly connected, described cover plate is fixedly mounted on the bottom of casing, described bearing seat and bracing frame are fixedly connected, support frame as described above fixed installation on the cover board, described baffle plate and bracing frame are fixedly connected, the output shaft of described camshaft and DC machine is fixedly connected, described cam coordinates with the collar transfer of camshaft to be installed, the lower surface of described cam to be coordinated with camshaft drive by pre-tightening mechanism installs, described driven frame coordinates with two pieces, front and back groove barrier slides to be installed, described motor bearing seat fixed installation on the cover board, described DC machine is fixedly mounted on motor bearing seat, described first proximity switch is fixedly mounted on the bottom of casing, described groove baffle plate fixed installation on the cover board, described second proximity switch is fixedly mounted on rear side groove baffle plate.
When bearing circle is in the position of its straight line traveling, the length direction Center-to-Center axle upper driving length of thread direction center superposition of described stop nut, the center superposition of the center of the sensor block on described stop nut and the inductive head of the first proximity switch.The axial line of described DC machine output shaft is installed with the axial line of camshaft is concentric.Described pre-tightening mechanism is made up of bolt, spring and steel ball, bolt upper end contacts with lower spring end, end in contact under spring upper end and steel ball, steel ball upper end contacts with lower cam end face, steel ball upper end contacts with lower cam end face, and what lower cam end face was corresponding with steel ball is circumferentially provided with conical Blind locating holes.Described cam is disc cam, and the jag of described cam is provided with limiting stopper.Described driven frame left end is provided with block, the left and right medial surface of described driven frame is respectively provided with one piece of limiting stopper, the upper end lateral surface of described driven frame is provided with one section of groove, and the position of described driven frame upper end lateral surface groove is corresponding with the center of the inductive head of the second proximity switch.
Employing the beneficial effects of the utility model are, the anglec of rotation of bearing circle can accurately be detected, adjustable, suitable road feel can be provided to chaufeur, and mode of operation can be changed under different operating modes, adjustment direction dish completes the rotation number of turns entirely turned to, good stability, has good application value.
Accompanying drawing explanation
Fig. 1 is the front view of cam-type vehicle line traffic control steering direction dish device described in the utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
In figure: driven frame 16 cam 17 motor supporting base 18 DC machine 19 first proximity switch 20 groove baffle plate 21 second proximity switch 22 of center shaft 1 upper end cover 2 magnet coil 3 magnet coil box 4 dampened disk 5 casing 6 stop nut 7 baffle ring 8 angular-motion transducer 9 cover plate 10 bearing seat 11 bracing frame 12 pre-tightening mechanism 13 camshaft 14 baffle plate 15
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
In Fig. 1, Fig. 2, this device forms primarily of center shaft 1, upper end cover 2, magnet coil 3, magnet coil box 4, dampened disk 5, casing 6, stop nut 7, baffle ring 8, angular-motion transducer 9, cover plate 10, bearing seat 11, bracing frame 12, pre-tightening mechanism 13, camshaft 14, baffle plate 15, driven frame 16, cam 17, motor supporting base 18, DC machine 19, first proximity switch 20, groove baffle plate 21, second proximity switch 22, the upper end of described center shaft 1 is arranged on upper end cover 2 by bearing, the lower end of described center shaft 1 is arranged on casing 6 by bearing, described center shaft 1 is processed with motion thread, described upper end cover 2 is mounted by means of bolts on casing 6, described magnet coil 3 is fixed in magnet coil box 4, described magnet coil box 4 is fixedly connected by bolt and upper end cover 2, described center shaft 1 is through the centre hole of magnet coil box 4, gap is provided with between described center shaft 1 and the centre hole of magnet coil box 4, described dampened disk 5 is fixedly connected by key and nut and center shaft 1, the profile of described stop nut 7 is rectangle, described stop nut 7 coordinates with the threaded portion transmission of center shaft 1 to be installed, the leading flank of described stop nut 7 and the front inner wall of casing 6 bottom are slidably installed, the trailing flank of described stop nut 7 and the trailing flank inwall of casing 6 bottom are slidably installed, the lower end of described stop nut 7 is provided with sensor block, described baffle ring 8 is fixedly mounted on center shaft 1, described baffle ring 8 is provided with block, the housing of described angular-motion transducer 9 is fixedly mounted on the lower end of casing 6, the input hollow shaft of described angular-motion transducer 9 and the lower end of center shaft 1 are fixedly connected, described cover plate 10 is fixedly mounted on the bottom of casing 6, described bearing seat 11 is bolted with bracing frame 12 and connects, support frame as described above 12 is welded on cover plate 10, described baffle plate 15 is bolted with bracing frame 12 and connects, described camshaft 14 is fixedly connected with the output shaft of DC machine 19, described cam 17 coordinates with the collar transfer of camshaft 14 to be installed, the lower surface of described cam 17 is coordinated with camshaft 14 transmission by pre-tightening mechanism 13 installs, described driven frame 16 is slidably installed with two pieces, front and back groove baffle plate 21, described motor bearing seat 18 is fixedly mounted on cover plate 10, described DC machine 19 is fixedly mounted on motor bearing seat 18, described first proximity switch 20 is fixedly mounted on the bottom of casing 6, described groove baffle plate 21 is fixedly mounted on cover plate 10, described second proximity switch 22 is fixedly mounted on rear side groove baffle plate 21.
When bearing circle is in the position of its straight line traveling, the length direction Center-to-Center axle 1 upper driving length of thread direction center superposition of described stop nut 7, the center superposition of the center of the sensor block on described stop nut 7 and the inductive head of the first proximity switch 20.The axial line of described DC machine 19 output shaft is installed with the axial line of camshaft is concentric.Described pre-tightening mechanism 13 is made up of bolt, spring and steel ball, and bolt upper end contacts with lower spring end, and end in contact under spring upper end and steel ball, steel ball upper end contacts with lower cam end face, and what lower cam end face was corresponding with steel ball is circumferentially provided with conical Blind locating holes.Described cam 17 is disc cam, and the jag of described cam 17 is welded with limiting stopper.Described driven frame 16 left end is welded with block, and the left and right medial surface of described driven frame 16 is respectively welded with one piece of limiting stopper, and described driven frame 16 upper end lateral surface processes one section of groove.The position of described driven frame 16 upper end lateral surface groove is corresponding with the center of the inductive head of the second proximity switch 22.
When vehicle prepares to drive with walking mode, pressing mode switch button makes switch contact close, the sensor block on stop nut 7 is detected when the first proximity switch 20, namely when bearing circle is in its straight line traveling-position, and when Vehicle Speed is lower, micro-control unit controls DC machine 19 is with moving cam 14 left-hand revolution, when cam 14 drives the slip of driven frame 16 to arrive limit on the right-right-hand limit position, cam is by limiting stopper effect stall, second proximity switch 22 exports electric signal after the left hand edge of driven frame 16 upper end lateral surface groove being detected, DC machine 19 stops operating, if DC machine does not have timely stall, pre-tightening mechanism 13 overload protective functions, to prevent motor rotation blockage, until motor stops turning, now, the block of driven frame 16 rotates in a circumferential direction in scope not at the baffle plate of baffle ring 8, Vehicular turn state is walking mode, the angle that namely the full steering direction dish of vehicle rotates is 900 °.Bearing circle rotarily drives center shaft 1 and rotates, magnet coil 3 and dampened disk 5 feed back for realizing road feel, micro-control unit is by flowing through the size of magnet coil 3 electric current, produce different lock torques, thus corresponding road feel can be provided to feed back to chaufeur, angular-motion transducer 9 in real time inspection center's axle 1 the anglec of rotation and export electric signal to micro-control unit, micro-control unit sends instruction and drives vehicle to carry out handling maneuver to turning to actuating unit, when bearing circle arrives full steering position, stop nut 8 meeting stop motion under the barrier effect of upper and lower spacing end face, steering wheel with limiting, when vehicle prepares to drive with work pattern, pressing mode switch button makes switch contact open, the sensor block on stop nut 7 is detected when the first proximity switch 20, namely when bearing circle is in its straight line traveling-position, and when the moving velocity of vehicle is lower, micro-control unit controls DC machine 19 is with moving cam to rotate clockwise, when cam 14 drives the slip of driven frame 16 to arrive left-limit position, cam is by limiting stopper effect stall, second proximity switch 22 exports electric signal after the right hand edge of driven frame 16 upper end lateral surface groove being detected, DC machine 19 stops operating, if DC machine does not have timely stall, pre-tightening mechanism 13 overload protective functions, to prevent motor rotation blockage, until motor stalls, now, what the block of driven frame 16 was just in time in the block of baffle ring 8 rotates in a circumferential direction in scope, Vehicular turn state is work pattern, the angle that namely the full steering direction dish of vehicle rotates is 180 °.Bearing circle rotarily drives center shaft 1 and rotates, magnet coil 3 and dampened disk 5 feed back for realizing road feel, micro-control unit is by the size of control flow check through magnet coil 3 electric current, produce different lock torques, thus corresponding road feel can be provided to feed back to chaufeur, angular-motion transducer 9 in real time inspection center's axle 1 the anglec of rotation and export electric signal to micro-control unit, micro-control unit sends instruction and drives vehicle to carry out handling maneuver to turning to actuating unit, when bearing circle arrives full steering position, the baffle plate of baffle ring 7 can stop motion under the barrier effect of block on driven frame 16, steering wheel with limiting.Thus the anglec of rotation of bearing circle can be detected accurately, provide adjustable, suitable road feel to chaufeur, according to different mode of operations, adjustment direction dish completes the rotation number of turns entirely turned to.
Claims (6)
1. a cam-type vehicle line traffic control steering direction dish device, it is characterized in that, primarily of center shaft (1), upper end cover (2), magnet coil (3), magnet coil box (4), dampened disk (5), casing (6), stop nut (7), baffle ring (8), angular-motion transducer (9), cover plate (10), bearing seat (11), bracing frame (12), pre-tightening mechanism (13), camshaft (14), baffle plate (15), driven frame (16), cam (17), motor supporting base (18), DC machine (19), first proximity switch (20), groove baffle plate (21), second proximity switch (22) forms, the upper end of described center shaft (1) is arranged on upper end cover (2) by bearing, the lower end of described center shaft (1) is arranged on casing (6) by bearing, (1) is processed with motion thread to described center shaft, described upper end cover (2) is fixedly mounted on casing (6), described magnet coil (3) is fixedly mounted in magnet coil box (4), described magnet coil box (4) and upper end cover (2) are fixedly connected, described center shaft (1) is through the centre hole of magnet coil box (4), gap is provided with between the centre hole of described center shaft (1) and magnet coil box (4), described dampened disk (5) and center shaft (1) are fixedly connected, the profile of described stop nut (7) is rectangle, described stop nut (7) coordinates with the threaded portion transmission of center shaft (1) to be installed, the leading flank of described stop nut (7) and the front inner wall of casing (6) bottom are slidably installed, the trailing flank of described stop nut (7) and the trailing flank inwall of casing (6) bottom are slidably installed, the lower end of described stop nut (7) is provided with sensor block, described baffle ring (8) is fixedly mounted on center shaft (1), (8) are provided with block to described baffle ring, the housing of described angular-motion transducer (9) is fixedly mounted on the lower end of casing (6), the input hollow shaft of described angular-motion transducer (9) and the lower end of center shaft (1) are fixedly connected, described cover plate (10) is fixedly mounted on the bottom of casing (6), described bearing seat (11) and bracing frame (12) are fixedly connected, support frame as described above (12) is fixedly mounted on cover plate (10), described baffle plate (15) and bracing frame (12) are fixedly connected, described camshaft (14) is fixedly connected with the output shaft of DC machine (19), described cam (17) coordinates with the collar transfer of camshaft (14) to be installed, the lower surface of described cam (17) is coordinated with camshaft (14) transmission by pre-tightening mechanism (13) installs, described driven frame (16) and two pieces, front and back groove baffle plate (21) are slidably installed, described motor bearing seat (18) is fixedly mounted on cover plate (10), described DC machine (19) is fixedly mounted on motor bearing seat (18), described first proximity switch (20) is fixedly mounted on the bottom of casing (6), described groove baffle plate (21) is fixedly mounted on cover plate (10), described second proximity switch (22) is fixedly mounted on rear side groove baffle plate (21).
2. cam-type vehicle line traffic control steering direction dish device according to claim 1, it is characterized in that: when bearing circle is in the position of its straight line traveling, length direction Center-to-Center axle (1) the upper driving length of thread direction center superposition of described stop nut (7), the center superposition of the center of the sensor block on described stop nut (7) and the inductive head of the first proximity switch (20).
3. cam-type vehicle line traffic control steering direction dish device according to claim 1, is characterized in that: the axial line of described DC machine (19) output shaft is installed with the axial line of camshaft is concentric.
4. cam-type vehicle line traffic control steering direction dish device according to claim 1, it is characterized in that: described pre-tightening mechanism (13) is made up of bolt, spring and steel ball, bolt upper end contacts with lower spring end, end in contact under spring upper end and steel ball, steel ball upper end contacts with lower cam end face, and what lower cam end face was corresponding with steel ball is circumferentially provided with conical Blind locating holes.
5. cam-type vehicle line traffic control steering direction dish device according to claim 1, it is characterized in that: described cam (17) is disc cam, the jag of described cam (17) is provided with limiting stopper.
6. cam-type vehicle line traffic control steering direction dish device according to claim 1, it is characterized in that: described driven frame (16) left end is provided with block, the left and right medial surface of described driven frame (16) is respectively provided with one piece of limiting stopper, described driven frame (16) upper end lateral surface is provided with one section of groove, and the position of described driven frame (16) upper end lateral surface groove is corresponding with the inductive head center of the second proximity switch (22).
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CN201520138018.8U CN204472881U (en) | 2015-03-12 | 2015-03-12 | Cam-type vehicle line traffic control steering direction dish device |
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CN201520138018.8U CN204472881U (en) | 2015-03-12 | 2015-03-12 | Cam-type vehicle line traffic control steering direction dish device |
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CN201520138018.8U Withdrawn - After Issue CN204472881U (en) | 2015-03-12 | 2015-03-12 | Cam-type vehicle line traffic control steering direction dish device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104787109A (en) * | 2015-03-12 | 2015-07-22 | 青岛科技大学 | Cam type vehicle steer-by-wire steering wheel device |
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2015
- 2015-03-12 CN CN201520138018.8U patent/CN204472881U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104787109A (en) * | 2015-03-12 | 2015-07-22 | 青岛科技大学 | Cam type vehicle steer-by-wire steering wheel device |
CN104787109B (en) * | 2015-03-12 | 2018-05-01 | 青岛科技大学 | Cam-type vehicle line traffic control steering direction disk device |
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