CN111028609A - Pedal feeling simulation device applied to driving simulator - Google Patents
Pedal feeling simulation device applied to driving simulator Download PDFInfo
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- CN111028609A CN111028609A CN201911343565.9A CN201911343565A CN111028609A CN 111028609 A CN111028609 A CN 111028609A CN 201911343565 A CN201911343565 A CN 201911343565A CN 111028609 A CN111028609 A CN 111028609A
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- 238000004088 simulation Methods 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 96
- 230000033001 locomotion Effects 0.000 claims description 15
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 208000006011 Stroke Diseases 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000000418 atomic force spectrum Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
- G09B9/02—Simulators for teaching or training purposes for teaching control of vehicles or other craft
- G09B9/04—Simulators for teaching or training purposes for teaching control of vehicles or other craft for teaching control of land vehicles
Abstract
The invention provides a pedal feeling simulation device applied to a driving simulator, wherein a pedal is arranged between two side plates on a bottom plate, two transmission shafts are also arranged below the transmission shafts of the pedal, each transmission shaft is provided with a straight-tooth gear, the three straight-tooth gears are meshed in sequence from top to bottom, the transmission shaft at the lowest part is provided with at least three clockwork springs, each clockwork spring is correspondingly provided with a limit column for limiting the limit position of the clockwork spring to move upwards, and the three limit columns are arranged in arc-shaped limit grooves at the middle lower part of the side plate at the right side and can move and be fixed in the limit grooves; the device can adjust the position of each limit post, replace the clockwork springs with different specifications and increase the number of the clockwork springs and the corresponding limit posts according to the pedal force and pedal displacement relation curves under different test requirements, and can fit different pedal feelings in different stages in the pedal treading process to the maximum extent.
Description
Technical Field
The invention belongs to the technical field of automobile driving simulators, relates to a novel pedal feeling simulator, and particularly relates to a pedal feeling simulator applied to a driving simulator.
Background
In recent years, with the development of computer vision technology, sensor technology, processor and its interface technology, and motion platform, the automobile driving simulator technology is advanced and has been widely applied to various automobile tests. The pedal feeling simulation device is a very important research content in the development of automobile driving simulators and is directly related to the driving comfort of drivers. The quality of the pedal feedback force directly affects the immersion of the driver in terms of the sense of touch, and ultimately the accuracy of the operation thereof. Only through the real force sense simulation, the road test on the simulator is more vivid, and the test data on the simulator is more accurate and reliable.
In contrast, the following problems can be found by observing the currently mainstream pedal feel simulation device. Or the structure is too complex, the device is bulky, so that the high cost only brings very limited pedal feeling improvement and is irreparable. Or the structure is too simple, the pedal feeling simulation effect is not achieved, the driver experience is poor, and the test result is inaccurate. It is therefore necessary to design a pedal feel simulation device that is simple and reliable in construction and at the same time is not distorted.
Disclosure of Invention
The invention aims to provide a pedal feeling simulation device applied to a driving simulator, which aims to solve the problems of complex structure, large volume, difficult installation, high cost and the like commonly existing in the conventional device. The novel device is small in size, does not need to be refitted to a cockpit in application, can be arranged very quickly, and meanwhile can conveniently adjust pedal feedback force.
In order to achieve the purpose, the invention adopts the following technical scheme:
a pedal feeling simulation device applied to a driving simulator comprises a pedal and a plate-shaped base, wherein two vertical upward side plates are fixedly arranged on the base at intervals, the pedal is positioned between the two side plates, the advancing direction of a vehicle is taken as the front when the vehicle is simulated to run, the front end of the pedal is fixedly connected with a first transmission shaft, two ends of the first transmission shaft are supported in first transmission shaft through holes on the two side plates to enable the first transmission shaft to rotate around the axis of the first transmission shaft, a reset torsion spring is sleeved on the first transmission shaft, one end of the reset torsion spring is fixed with the pedal, the other end of the reset torsion spring is fixed in a torsion spring groove of a groove structure on the left side plate, a first straight-tooth gear is fixedly arranged on the part of the first transmission shaft, which is close to the right side plate, a second transmission shaft is supported in a second transmission shaft through hole on the right side, the second transmission shaft can rotate around the axis of the second transmission shaft, a second straight-tooth gear is fixedly arranged on the second transmission shaft, two ends of a third transmission shaft arranged below the second transmission shaft are supported in third transmission shaft through holes of the two side plates, the third transmission shaft can rotate around the axis of the third transmission shaft, a third straight-tooth gear is fixedly arranged on the third transmission shaft, the first straight-tooth gear is meshed with the second straight-tooth gear, and the second straight-tooth gear is meshed with the third straight-tooth gear;
at least three clockwork springs with the same structure are sequentially sleeved on the part, positioned on the left side of the third straight-tooth gear, of the third transmission shaft from right to left, the tail end of the inner ring of each clockwork spring is fixed on the third transmission shaft, the tail end of the outer ring of each clockwork spring is in a downward bent hook shape, and the hook-shaped parts of all the clockwork springs are positioned on the same horizontal line when the pedal is not treaded;
wherein the preceding lower part that is located the curb plate on right side is provided with a spacing groove, the spacing groove is logical groove for an arc of bending forward, be provided with the spacing post the same with clockwork spring quantity from last to down in the spacing groove, every spacing post all can remove in the spacing groove, the right-hand member of every spacing post all with two adjusting nut threaded connection of the curb plate both sides that are located the right side with fixed position, the length of spacing post increases by supreme in proper order down, the left end of every spacing post is located the extreme position in order to restrict this clockwork spring upward movement directly over rather than the hooked portion of the clockwork spring that corresponds.
The further technical scheme comprises the following steps:
three spring springs with the same structure are sequentially sleeved on the third transmission shaft from right to left on the left side of the third straight-tooth gear, the three spring springs sequentially comprise a first spring, a second spring and a third spring from right to left, the tail end of an inner ring of the first spring, the tail end of an inner ring of the second spring and the tail end of an inner ring of the third spring are all fixed on the third transmission shaft, the tail end of an outer ring of the first spring, the tail end of an outer ring of the second spring and the tail end of an outer ring of the third spring are in a downward bent hook shape, and the hook part of the first spring, the hook part of the second spring and the hook part of the third spring are positioned on the same horizontal line when the pedal is not trampled;
the limiting groove is internally provided with a third limiting column, a second limiting column and a first limiting column which are arranged in the limiting groove from top to bottom, the right end of the third limiting column, the right end of the second limiting column and the right end of the first limiting column are sequentially arranged in the limiting groove from top to bottom, the right end of the third limiting column, the right end of the second limiting column and the right end of the first limiting column can move in the limiting groove and are respectively in threaded connection with two adjusting nuts positioned on two sides of a right side plate so as to fix positions, the length of the first limiting column is smaller than that of the second limiting column, the length of the second limiting column is smaller than that of the third limiting column, the left end of the first limiting column is positioned right above the hook-shaped part of the first spring so as to limit the limit position of the upward movement of the first spring, the left end of the second limiting column is positioned right above the hook-shaped part of the second spring so as to limit the upward movement of the second spring, the left end of the third limiting column is positioned right above the hook part of the third clockwork spring to limit the limit position of the third clockwork spring in upward movement.
The upper surface of the pedal is provided with a plurality of anti-slip holes to increase the friction force when the pedal is stepped.
A plurality of through grooves along the left and right direction are formed on a pedal arm of the pedal so as to reduce the weight of the pedal.
The left side and the right side of the bottom plate are both provided with mounting grooves with through groove structures, and the mounting grooves are used for fixing the bottom plate at a required position through bolts.
A fourth limiting column is fixedly arranged between the two side plates along the left-right direction below the pedal to limit the limit position of the downward movement of the pedal.
The two ends of the first transmission shaft are supported in the first transmission shaft through holes of the corresponding side plates through bearings respectively, the second transmission shaft is supported in the second transmission shaft through hole of the right side plate through a bearing respectively, and the two ends of the third transmission shaft are supported in the third transmission shaft through holes of the corresponding side plates through bearings respectively.
The number of teeth of the first straight-tooth gear is larger than that of the third straight-tooth gear.
The inner side of the side plate at the left side is provided with a raised boss, and the torsion spring groove is arranged on the boss.
Compared with the prior art, the invention has the beneficial effects that:
the simulator cabin is not required to be modified, and the arrangement is flexible and convenient; the antiskid holes are arranged on the pedal surface, so that the misoperation of skidding can be effectively avoided. The device adopts at least three clockwork springs to carry out pedal force feedback simulation, can adjust the position that each spacing post is located spacing groove according to pedal force and pedal displacement relation curve under different experimental requirements, change the clockwork spring of different specifications and increase the clockwork spring and the quantity that corresponds spacing post according to experimental accuracy requirement, and the pedal sensation that the maximum degree was fitted is stepped on in the process that the footboard was stepped on different stages. The brake pedal simulation device has the advantages of simple overall structure, stable use, realization cost greatly reduced when the brake pedal feeling is simulated, and novel tool means for scientific research and teaching
Drawings
The invention is further described with reference to the accompanying drawings in which:
fig. 1 is an isometric view of the present invention.
Fig. 2 is a rear view of the present invention.
Fig. 3 is an isometric view of the invention from a rear perspective.
Fig. 4 is an isometric view of the invention with the side panel removed from the left and the pedals in the extreme position after being stepped on.
Fig. 5 is a front view of the present invention with the left side panel removed and the foot pedal in a stepped-down extreme position.
Fig. 6 is a schematic structural view of the power spring of the present invention.
Fig. 7 is a partial view of the torsion spring groove of the present invention.
FIG. 8 is a graph of pedal displacement versus pedal force in accordance with the present invention.
In the figure: 1. the pedal comprises a pedal, 2, a first transmission shaft, 3, a reset torsion spring, 4, a first straight-tooth gear, 5, a second transmission shaft, 6, a second straight-tooth gear, 7, a third straight-tooth gear, 8, a third transmission shaft, 9, a first spring, 10, a second spring, 11, a third spring, 12, a torsion spring groove, 13, a first limiting column, 14, a second limiting column, 15, a third limiting column, 16, an adjusting nut, 17, a side plate, 18, a base, 19, a limiting groove, 20, an installation groove and 21, and a fourth limiting column.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
the invention provides a pedal feeling simulation device applied to a driving simulator, which comprises a pedal 1 and a plate-shaped base 18, wherein two vertical upward side plates 17 are fixedly arranged on the base 18 at intervals, the pedal 1 is positioned between the two side plates 17 and takes the advancing direction of a vehicle as the front when the vehicle drives as a simulation, the front end of the pedal 1 is fixedly connected with a first transmission shaft 2, two ends of the first transmission shaft 2 are respectively supported in first transmission shaft through holes on the two side plates 17 through a bearing so that the first transmission shaft 2 can rotate around the axis of the first transmission shaft, a reset torsion spring 3 is sleeved on the first transmission shaft 2, one end of the reset torsion spring 3 is fixed with the pedal 1, a raised boss is arranged on the inner side of the left side plate 17, a torsion spring groove 12 with a groove structure is arranged on the boss, the other end of the reset torsion spring 3 is fixed in the torsion spring groove 12 on the left side plate 17, a first straight-tooth gear 4 is fixedly arranged on a position, close to a right side plate 17, of a first transmission shaft 2, a second transmission shaft 5 is arranged below the first transmission shaft 2, the second transmission shaft 5 is supported in a second transmission shaft through hole of the right side plate 17 through a bearing, the second transmission shaft 5 can rotate around the axis of the second transmission shaft, a second straight-tooth gear 6 is fixedly arranged on the second transmission shaft 5, a third transmission shaft 8 is arranged below the second transmission shaft 5, two ends of the third transmission shaft 8 are respectively supported in third transmission shaft through holes of the corresponding side plates 17 through a bearing, the third transmission shaft 8 can rotate around the axis of the third transmission shaft, a third straight-tooth gear 7 is fixedly arranged on the third transmission shaft 8, the first straight-tooth gear 5 is meshed with the second straight-tooth gear 6, and the second straight-tooth gear 6 is meshed with the third straight-tooth gear 7; the number of teeth of the first spur gear 4 is larger than that of the third spur gear 7.
Three spring springs with the same structure are sleeved on the part, located on the left side of the third straight-tooth gear 7, of the third transmission shaft 8, the three spring springs are a first spring 9, a second spring 10 and a third spring 11 from right to left in sequence, the tail end of the inner ring of the first spring 9, the tail end of the inner ring of the second spring 10 and the tail end of the inner ring of the third spring 11 are all fixed on the third transmission shaft 8, the tail end of the outer ring of the first spring 9, the tail end of the outer ring of the second spring 10 and the tail end of the outer ring of the third spring 11 are all in a downward-bent hook shape, and the hook-shaped part of the first spring 9, the hook-shaped part of the second spring 10 and the hook-shaped part of the third spring 11 are located on the same horizontal line when the pedal 1 is not stepped;
wherein, the front lower part of the side plate 17 on the right side is provided with a limiting groove 19, the limiting groove 19 is an arc through groove bending forwards, and limiting columns with the same number as the spring springs are arranged in the limiting groove 19 from top to bottom. The three limiting columns are respectively a third limiting column 15, a second limiting column 14 and a first limiting column 13, the right end of the third limiting column 15, the right end of the second limiting column 14 and the right end of the first limiting column 13 are sequentially arranged in a limiting groove 19 from top to bottom, the right end of the third limiting column 15, the right end of the second limiting column 14 and the right end of the first limiting column 13 can move in the limiting groove 19 and are respectively in threaded connection with two adjusting nuts 16 positioned on two sides of a side plate 17 on the right side so as to be fixed, the length of the first limiting column 13 is smaller than that of the second limiting column 14, the length of the second limiting column 14 is smaller than that of the third limiting column 15, the left end of the first limiting column 13 is positioned right above the hook-shaped part of the first clockwork spring 9 so as to limit the upward movement of the first clockwork spring 9, the left end of the second limiting column 14 is positioned right above the hook-shaped part of the second clockwork spring 10 so as to limit the upward movement of the second clockwork spring 10, the left end of the third limit column 15 is located right above the hook of the third power spring 11 to limit the limit position of the upward movement of the third power spring 11.
The upper surface of the pedal 1 is provided with a plurality of anti-slip holes to increase the frictional force when the pedal 1 is stepped on. The pedal arm of the pedal 1 is provided with a plurality of through grooves along the left-right direction so as to reduce the weight of the pedal 1.
The left side and the right side of the bottom plate 18 are both provided with mounting grooves 20 with through groove structures for fixing the bottom plate 18 at a required position through bolts.
A fourth limit column 21 is fixedly arranged between the two side plates 17 along the left-right direction below the pedal 1 so as to limit the limit position of the downward movement of the pedal 1.
The working principle of the invention is as follows:
when the device is not in operation, the pedal 1 is supported by the bottom from the reset torsion spring 3 and is in a reset position. The supporting force of the return torsion spring 3 is substantially equal to the gravity of the pedal 1. The hook-shaped parts at the tail ends of the outer rings of the first spring 9, the second spring 10 and the third spring 11 are positioned on the same horizontal line. A certain gap is formed between the hook-shaped part of the first spring 9 and the first limit column 13. When the driver depresses the pedal 1, a total of four stages of pedal forces of different rigidity are generated.
An idle stroke stage: the pedal 1 overcomes the supporting force of the reset torsion spring 3 to swing downwards to drive the first transmission shaft 2 to rotate, and the first straight-tooth gear 4 on the first transmission shaft 2 drives the second straight-tooth gear 6 on the second transmission shaft 5 to rotate so as to drive the third straight-tooth gear 7 on the third transmission shaft 8 to rotate. The third transmission shaft 8 rotates to drive the three spring springs to rotate, and the hook-shaped part of the first spring 9 gradually eliminates the gap between the hook-shaped part and the first limiting column 13. The mechanism clearance is small, and the stage of overcoming the clearance is an idle stroke stage.
The first stage is as follows: the stroke of the pedal 1 is increased, the third transmission shaft 8 continuously rotates, the hook-shaped part of the first spring 9 contacts the first limit column 13, but the whole pedal continuously rotates under the driving of the third transmission shaft 8 to generate pedal feedback force. The second and third power springs 10 and 11 continue to rotate.
And a second stage: the travel of the pedal 1 is continuously increased, the third transmission shaft 8 is continuously rotated, the hook part of the second clockwork spring 10 is contacted with the second limit column 14, the pedal feedback force is generated together with the first clockwork spring 9, and the third clockwork spring 11 is continuously rotated.
And a third stage: the stroke of the pedal 1 is continuously increased, the third transmission shaft 8 is continuously rotated, the hook part of the third spring 11 contacts the third limiting column 15, and the pedal 1, the first spring 9 and the second spring 10 generate pedal feedback force together. When the pedal 1 contacts the fourth stopper post 21, the pedal feedback force is maximized. When the foot of the driver leaves the pedal 1, the pedal 1 is retracted under the action of the first spring 9, the second spring 10 and the third spring 11 and returns to the initial position under the action of the reset torsion spring 3.
The pedal displacement versus pedal force curve is shown in fig. 8. The thin line is a real vehicle pedal force displacement curve, and the thick solid line is a pedal force displacement curve fitted by the device. The fitting effect of the pedal feedback force generated during working and the pedal feedback force measured by a real vehicle is good, and a driver can obtain a relatively real pedal feeling.
Claims (9)
1. A pedal feeling simulation device applied to a driving simulator comprises a pedal (1) and a plate-shaped base (18), and is characterized in that two vertical upward side plates (17) are fixedly arranged on the base (18) at intervals, the pedal (1) is positioned between the two side plates (17) to simulate the advancing direction of a vehicle during running of the vehicle to be the front, the front end of the pedal (1) is fixedly connected with a first transmission shaft (2), two ends of the first transmission shaft (2) are supported in first transmission shaft through holes on the two side plates (17) to enable the first transmission shaft (2) to rotate around the axis of the first transmission shaft, a reset torsion spring (3) is sleeved on the first transmission shaft (2), one end of the reset torsion spring (3) is fixed with the pedal (1), the other end of the reset torsion spring (3) is fixed in a torsion spring groove (12) of a groove structure on the left side plate (17), a first straight-tooth gear (4) is fixedly arranged on a position, close to a side plate (17) on the right side, of a first transmission shaft (2), a second transmission shaft (5) is arranged below the first transmission shaft (2) and supported in a second transmission shaft through hole of the side plate (17) on the right side, the second transmission shaft (5) can rotate around the axis of the second transmission shaft, a second straight-tooth gear (6) is fixedly arranged on the second transmission shaft (5), two ends of a third transmission shaft (8) are arranged below the second transmission shaft (5) and supported in third transmission shaft through holes of the two side plates (17), the third transmission shaft (8) can rotate around the axis of the third transmission shaft, a third straight-tooth gear (7) is fixedly arranged on the third transmission shaft (8), the first straight-tooth gear (5) is meshed with the second straight-tooth gear (6), and the second straight-tooth gear (6) is meshed with the third straight-tooth gear (7);
at least three clockwork springs with the same structure are sequentially sleeved on the part, positioned on the left side of the third straight-tooth gear (7), of the third transmission shaft (8) from right to left, the tail end of an inner ring of each clockwork spring is fixed on the third transmission shaft (8), the tail end of an outer ring of each clockwork spring is in a downward bent hook shape, and the hook-shaped parts of all the clockwork springs are positioned on the same horizontal line when the pedal (1) is not trampled;
wherein the preceding lower part of curb plate (17) that is located the right side is provided with a spacing groove (19), spacing groove (19) are logical groove of the arc of a kicking forward, be provided with the spacing post the same with clockwork spring quantity from last to bottom in spacing groove (19), every spacing post all can move in spacing groove (19), the right-hand member of every spacing post all with be located two adjusting nut (16) threaded connection of curb plate (17) both sides on right side with fixed position, the length of spacing post increases from bottom to top in proper order, the left end of every spacing post is located the extreme position in order to restrict this clockwork spring upward movement directly over rather than the hooked portion of the clockwork spring that corresponds.
2. The pedal feel simulation device applied to the driving simulator according to claim 1, wherein three spring springs having the same structure are sequentially sleeved on the third transmission shaft (8) from right to left on the left side of the third spur gear (7), the three spring springs are sequentially a first spring (9), a second spring (10) and a third spring (11) from right to left, the end of the inner coil of the first spring (9), the end of the inner coil of the second spring (10) and the end of the inner coil of the third spring (11) are all fixed on the third transmission shaft (8), the end of the outer coil of the first spring (9), the end of the outer coil of the second spring (10) and the end of the outer coil of the third spring (11) are all in a downwardly bent hook shape, and the hook portion of the first spring (9), The hook part of the second spring (10) and the hook part of the third spring (11) are positioned on the same horizontal line when the pedal (1) is not stepped;
a third limiting column (15), a second limiting column (14) and a first limiting column (13) are arranged in the limiting groove (19) from top to bottom, the right end of the third limiting column (15), the right end of the second limiting column (14) and the right end of the first limiting column (13) are sequentially arranged in the limiting groove (19) from top to bottom, the right end of the third limiting column (15), the right end of the second limiting column (14) and the right end of the first limiting column (13) can move in the limiting groove (19) and are respectively in threaded connection with two adjusting nuts (16) positioned on two sides of a right side plate (17) to fix positions, the length of the first limiting column (13) is smaller than that of the second limiting column (14), the length of the second limiting column (14) is smaller than that of the third limiting column (15), the left end of the first limiting column (13) is positioned right above a hooked hair spring (9) of the first hair spring to limit the upward movement of the first hair spring (9), the left end of the second limit column (14) is located right above the hook part of the second spring (10) to limit the limit position of the upward movement of the second spring (10), and the left end of the third limit column (15) is located right above the hook part of the third spring (11) to limit the limit position of the upward movement of the third spring (11).
3. The pedal feel simulation device applied to a driving simulator according to claim 1 or 2, wherein the pedal (1) is provided with a plurality of non-slip holes on an upper surface thereof to increase a frictional force when the pedal (1) is stepped on.
4. The pedal feel simulation device applied to the driving simulator according to claim 1 or 2, wherein a plurality of through grooves are formed in a pedal arm of the pedal (1) in the left-right direction to reduce the weight of the pedal (1).
5. The pedal feel simulation device applied to a driving simulator according to claim 1 or 2, wherein the bottom plate (18) is provided at both left and right sides thereof with mounting grooves (20) of a through-groove structure for fixing the bottom plate (18) at a desired position by means of bolts.
6. A pedal feel simulation device applied to a driving simulator according to claim 1 or 2, wherein a fourth limit post (21) fixedly provided between the two side plates (17) in the left-right direction is provided under the pedal (1) to limit the limit position of the downward movement of the pedal (1).
7. A pedal feel simulation device applied to a driving simulator according to claim 1 or 2, wherein both ends of the first transmission shaft (2) are supported in the first transmission shaft through-holes of the corresponding side plate (17) by one bearing, the second transmission shaft (5) is supported in the second transmission shaft through-holes of the right side plate (17) by one bearing, and both ends of the third transmission shaft (8) are supported in the third transmission shaft through-holes of the corresponding side plate (17) by one bearing.
8. The pedal feel simulation device applied to a driving simulator according to claim 1 or 2, wherein the number of teeth of the first spur gear (4) is larger than the number of teeth of the third spur gear (7).
9. A pedal feel simulation device applied to a driving simulator according to claim 1 or 2, wherein the left side plate (17) has a raised boss on the inner side thereof, and the torsion spring groove (12) is provided on the boss.
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| CN201911343565.9A CN111028609B (en) | 2019-12-24 | 2019-12-24 | Pedal feel simulation device applied to driving simulator |
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| CN201911343565.9A CN111028609B (en) | 2019-12-24 | 2019-12-24 | Pedal feel simulation device applied to driving simulator |
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