CN209388515U - A kind of simulation brake driving vehicle brake apparatus based on angle detection - Google Patents
A kind of simulation brake driving vehicle brake apparatus based on angle detection Download PDFInfo
- Publication number
- CN209388515U CN209388515U CN201821873426.8U CN201821873426U CN209388515U CN 209388515 U CN209388515 U CN 209388515U CN 201821873426 U CN201821873426 U CN 201821873426U CN 209388515 U CN209388515 U CN 209388515U
- Authority
- CN
- China
- Prior art keywords
- brake
- base
- hole
- plate
- mounting
- 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.)
- Active
Links
Landscapes
- Braking Elements And Transmission Devices (AREA)
Abstract
It stops the utility model discloses a kind of simulation based on angle detection and drives vehicle brake apparatus, including brake gear and brake apparatus, the brake gear includes brake base, be fixed on the brake base tramples device and detection device, the device of trampling includes connection ring and the connecting plate for being fixed on connection ring, the detection device includes mounting plate, the brake apparatus includes brake feet, the upper surface of the brake feet is fixedly connected with two pieces of support plates, second connecting rod and a hanging plate there are two being set between two pieces of support plates, the surface of the hanging plate is connected with the first fixed link, the both ends of first fixed link are connected separately with brake retracting spring, the utility model reads rotational angle by magnetic sensitive angle sensor and determines brake travel, limit the pole of brake state and pedal reset state respectively by two pieces of limited blocks Extreme position, the apparatus structure is simple, high reliablity, manufactures easy to maintenance, saving installation space, applicable driving simulator.
Description
Technical field
The utility model relates to a kind of braking devices more particularly to a kind of simulation based on angle detection to stop and drive vehicle
Brake apparatus.
Background technique
Automobile driving simulation device makes people's experience, recognizes and learn car steering in reality by virtual reality technology,
This mode not only effectively improves the technical level of driver, but also cheap practical, and automobile driving simulation device is driven by improving
The technical level and awareness of safety for the person of sailing, to reduce the incidence of accident, parking brake of automobile mechanism mainly uses foot at present
Brake pedal linkage brake boost mechanism realizes stopping brake, and this brake structure is not only complex but also volume is larger in turn
Cause installation space insufficient, is not applied for driving simulator field.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of simulation brake driving vehicle based on angle detection
Brake apparatus drives sector gear rotation by applying external force to pedal, and sector gear drives the pinion rotation being engaged with
To drive magnetic sensitive angle sensor to rotate synchronously, rotational angle is read by magnetic sensitive angle sensor and determines brake row
Journey limits the extreme position of brake state and pedal reset state by two pieces of limited blocks respectively, and the apparatus structure is simple,
High reliablity manufactures easy to maintenance, saving installation space, applicable driving simulator.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of simulation brake driving vehicle brake apparatus based on angle detection, including brake gear and brake apparatus；
The brake gear includes brake base, and be fixed on the brake base tramples device and detection device；
The surface of the brake base is opened up there are four the first mounting hole and through slot, and four first mounting holes distinguish position
Four vertex in brake base surface, the through slot are located at the middle part on brake base surface, the upper table of the brake base
Face is fixedly installed with the first mounting base and the second mounting base, and first mounting base and the second mounting base are located at the two of through slot
Side is equipped with first rotating shaft between first mounting base and the second mounting base；
The device of trampling includes connection ring, and the connection ring is rotatably connected in first rotating shaft, the week of the connection ring
Side external surface is fixedly connected with limited block, connecting plate and sector gear, the connecting plate between limited block and sector gear,
The connecting plate includes the first linking arm and the second linking arm, and the surface of first linking arm offers the second mounting hole, institute
It states the first linking arm and pedal tension spring is connected with by the second mounting hole, a side surface of second linking arm is fixedly connected with card
Block, one end of second linking arm are fixedly connected with pedal base, and the surface of the pedal base opens up third mounting hole, and described
First connecting rod is installed in three mounting holes, one end of the first connecting rod is fixedly connected with pedal, and the one of the pedal base
Side surface offers jack, is equipped with inserted link on the inside of the jack；
The detection device includes mounting plate, and the mounting plate is fixed on the upper surface of brake base, the mounting plate with
Second mounting base is fixedly connected, and the side of the mounting plate offers the 4th mounting hole, the inside rotation of the 4th mounting hole
It is connected with the second shaft, one end of second shaft is fixedly connected with pinion gear, and second shaft is close to the another of connecting plate
One end passes through the 4th mounting hole and is connected with magnetic sensitive angle sensor, and the pinion gear and magnetic sensitive angle sensor are located at peace
The two sides of loading board；
The brake apparatus includes brake feet, and the surface of the brake feet is opened up there are four the 5th mounting hole, described
5th mounting hole is located at four vertex of susceptor surface, and the upper surface of the brake feet is fixedly connected with two pieces of support plates,
The surface of two pieces of support plates offers pin shaft hole, and pin shaft, two pieces of supports are rotatably connected on the inside of the pin shaft hole
It being set between plate there are two the second connecting rod and a hanging plate, two connecting rods and pin shaft are rotatablely connected, and the one of the hanging plate
End be fixedly connected with pin shaft, two second connecting rods are located at the two sides of hanging plate, opened up on the hanging plate there are three block
Slot, through the first fixed link is connected with, it is fixed that one end of second connecting rod is rotatably connected to second on the surface of the hanging plate
Bar, the both ends of first fixed link are connected separately with brake retracting spring, one end connection and the second fixed link of the brake retracting spring
One end be connected, the brake retracting spring is located at the outside of support plate, and the upper surface of two pieces of support plates is fixedly connected with top
Plate, the surface of the top plate offer through-hole and bayonet, and the inside of the through-hole is equipped with pull rod, and the lower end of the pull rod is fixed to be connected
It is connected to lantern ring, the lantern ring is set in the middle part of the second fixed link.
Further, the block number of the limited block is two pieces, and the angle between two pieces of limited blocks is 120 °.
Further, the sector gear and pinion gear intermeshing.
Further, the front end of the inserted link is provided with positive stop end, and the surface of the first connecting rod offers several
Limit hole, and several limit holes are linearly equally spaced on the surface of inserted link.
Further, the fixture block and card slot are engaged by clamping.
Further, the side of the top plate offers bayonet, and the width of the bayonet is greater than the thickness of hanging plate.
Further, the upper end of the pull rod is equipped with curved bending.
Further, the surface of the limited block offers tapped through hole, is equipped with bolt in the tapped through hole.
The utility model has the beneficial effects that
The utility model drives sector gear rotation by applying external force to pedal, and sector gear drive is engaged with small
Gear rotation carries out detection reading to rotational angle by magnetic sensitive angle sensor to drive magnetic sensitive angle sensor to rotate synchronously
It takes and then determines brake travel, limit the limit position of brake state and pedal reset state respectively by two pieces of limited blocks
It sets, the apparatus structure is simple, high reliablity, manufactures easy to maintenance, saving installation space, applicable driving simulator.
Detailed description of the invention
The utility model will be further described below with reference to the accompanying drawings.
Fig. 1 is a kind of three-dimensional structure diagram that vehicle brake apparatus is driven based on the simulation brake of angle detection of the utility model；
Fig. 2 is the three-dimensional knot that a kind of simulation brake based on angle detection of the utility model drives another visual angle of vehicle brake apparatus
Composition；
Fig. 3 is a kind of structural side view that vehicle brake apparatus is driven based on the simulation brake of angle detection of the utility model；
Fig. 4 is a kind of local structural graph that vehicle brake apparatus is driven based on the simulation brake of angle detection of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs 1-4, a kind of simulation based on angle detection, which is stopped, drives vehicle brake apparatus, including brake gear 1 and system
Dynamic device 2；
The brake gear 1 includes brake base 11, and be fixed on the brake base 11 tramples device 12 and detection dress
Set 13；
The surface of the brake base 11 is opened up there are four the first mounting hole 111 and through slot 112, and four described first are installed
Hole 111 is located at four vertex on 11 surface of brake base, and the through slot 112 is located at the middle part on 11 surface of brake base,
The upper surface of the brake base 11 is fixedly installed with the first mounting base 14 and the second mounting base 15,14 He of the first mounting base
Second mounting base 15 is located at the two sides of through slot 112, and first is equipped between first mounting base 14 and the second mounting base 15
Shaft 16；
The device 12 of trampling includes connection ring 121, and the connection ring 121 is rotatably connected in first rotating shaft 16, described
All side external surfaces of connection ring 121 are fixedly connected with limited block 122, connecting plate 123 and sector gear 124, the connecting plate 123
Between limited block 122 and sector gear 124, the connecting plate 123 includes the first linking arm 1231 and the second linking arm
1232, the surface of first linking arm 1231 offers the second mounting hole, and first linking arm 1231 passes through the second installation
Hole is connected with pedal tension spring 1210, and a side surface of second linking arm 1232 is fixedly connected with fixture block 125, and described second connects
The one end for connecing arm 1232 is fixedly connected with pedal base 126, and the surface of the pedal base 126 opens up third mounting hole, the third
First connecting rod 127 is installed, one end of the first connecting rod 127 is fixedly connected with pedal 128, the pedal in mounting hole
One side surface of seat 126 offers jack 1261, and the inside of the jack 1261 is equipped with inserted link 129；
The detection device 13 includes mounting plate 131, and the mounting plate 131 is fixed on the upper surface of brake base 11, institute
Mounting plate 131 to be stated to be fixedly connected with the second mounting base 15, the side of the mounting plate 131 offers the 4th mounting hole, and described
The second shaft 132 is rotatably connected on the inside of four mounting holes, second shaft 132 is close to the fixed company in one end of connecting plate 123
It is connected to pinion gear 133, the other end of second shaft 132 passes through the 4th mounting hole and is connected with magnetic sensitive angle sensor 134,
The pinion gear 133 and magnetic sensitive angle sensor 134 are located at the two sides of mounting plate 131；
The brake apparatus 2 include brake feet 201, the surface of the brake feet 201 open up there are four the 5th installation
Hole 2011, the 5th mounting hole 2011 are located at four vertex on 201 surface of pedestal, the upper surface of the brake feet 201
Two pieces of support plates 202 are fixedly connected with, the surface of two pieces of support plates 202 offers pin shaft hole, the inside of the pin shaft hole
It is rotatably connected to pin shaft 203, is set between two pieces of support plates 202 there are two the second connecting rod 204 and a hanging plate 205, two
A connecting rod 204 is rotatablely connected with pin shaft 203, and one end of the hanging plate 205 is fixedly connected with pin shaft 203, described in two
Second connecting rod 204 is located at the two sides of hanging plate 205, is opened up on the hanging plate 205 there are three card slot 2051, the hanging plate
Through the first fixed link 206 is connected with, one end of second connecting rod 204 is rotatably connected to the second fixed link on 205 surface
207, the both ends of first fixed link 206 are connected separately with brake retracting spring 208, one end connection of the brake retracting spring 208 with
One end of second fixed link 207 is connected, and the brake retracting spring 208 is located at the outside of support plate 202, two pieces of support plates
202 upper surface is fixedly connected with top plate 209, and the surface of the top plate 209 offers through-hole 2091, the through-hole 2091 it is interior
Side is equipped with pull rod 210, and the lower end of the pull rod 210 is connected with lantern ring 211, and the lantern ring 211 is set in the second fixed link 207
Middle part.
Wherein, the sector gear 124 and pinion gear 133 are intermeshed, and the front end of the inserted link 129 is provided with positive stop end
1291, the surface of the first connecting rod 127 offers several limit holes 1271, and several limit holes 1271 are in inserted link
129 surface is linearly equally spaced, and the fixture block 125 is engaged by clamping with card slot 2051, and the side of the top plate 209 offers
Bayonet 2092, the width of the bayonet 2092 are greater than the thickness of hanging plate 205, and the upper end of the pull rod 210 is equipped with curved bending, just
In pulling pull rod 210, the block number of the limited block 122 is two pieces, and the angle between two pieces of limited blocks 122 is 120 °, institute
The surface for stating limited block 122 offers tapped through hole, is equipped with bolt 1221 in the tapped through hole, limited block 122 with connect
Plate 123 is fixedly connected, and can be rotated with connecting plate 123 around first rotating shaft 16, two threaded holes install two respectively on limited block 122
A bolt 1221, by adjusting bolt 1221 stretch out brake base 11 length, bolt 1221 contacted with bottom mounting surfaces after just
Reach limit point, the angle rotated so as to adjust connecting plate 123.
The working principle and mode of the utility model:
When driver's pushes pedals, the second linking arm 1232 is driven to rotate around first rotating shaft 16, the second linking arm
1232 drive the first linking arm 1231 rotation of connection fixed thereto, therefore connection ring 121 is driven to rotate, and connection ring 121 drives fan
Shape gear 124 rotates, and sector gear 124 drives the pinion gear 133 being engaged with to rotate, and pinion gear 133 drives the second shaft 132
Rotation, therefore magnetic sensitive angle sensor 134 is driven to rotate, magnetic sensitive angle sensor 134 reads angle of rotation angle value therefore, it is determined that brake
Stroke；
When stroke reaches the setting value of magnetic sensitive angle sensor 134, pull rod 210 is pushed down on, pull rod 210 drives second
Fixed link 207 moves down, and one end that the second fixed link 207 pulls tripping spring 208 to be attached thereto moves down, tripping spring
208 pull hanging plate 205 to rotate around pin shaft 203, and the card slot 2051 and fixture block 125 on hanging plate 205 are clamped, and are now in brake
State；
It is lifted up pull rod 210, pull rod 210 drives the second fixed link 207 to move up, and the second fixed link 207 pulls system
One end that spring 208 is attached thereto of moving moves up, and tripping spring 208 pulls hanging plate 205 to rotate around pin shaft 203, on hanging plate 205
Card slot 2051 and fixture block 125 be detached from, pedal tension spring 1210 pull connecting plate 123 around first rotating shaft 16 rotate, 123 band of connecting plate
Dynamic pedal 128 rotates, and pedal 128 sets back, and is now in 128 reset state of pedal.
The utility model by pedal 128 apply external force drive sector gear 124 rotate, sector gear 124 drive with
Engagement pinion gear 133 rotation to drive magnetic sensitive angle sensor 134 rotate synchronously, pass through magnetic sensitive angle sensor 134
Detection is carried out to rotational angle and reads and then determine brake travel, limits brake state respectively by two pieces of limited blocks 122
With the extreme position of pedal reset state, the apparatus structure is simple, high reliablity, manufactures easy to maintenance, saving installation space, suitable
Use driving simulator.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation be not intended to limit the utility model although the utility model has been disclosed with preferred embodiment as above, it is any ripe
Professional and technical personnel is known, is not being departed within the scope of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment for being modified or being modified to equivalent variations, but all without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still
It is within the scope of the technical solutions of the present invention.
Claims (8)
1. a kind of simulation based on angle detection, which is stopped, drives vehicle brake apparatus, which is characterized in that including brake gear (1) and braking
Device (2)；
The brake gear (1) includes brake base (11), and be fixed on the brake base (11) tramples device (12) and inspection
It surveys device (13)；
The surface of the brake base (11) is opened up there are four the first mounting hole (111) and through slot (112), and four described first are pacified
Dress hole (111) is located at four vertex on brake base (11) surface, and the through slot (112) is located at brake base (11) table
The upper surface at the middle part in face, the brake base (11) is fixedly installed with the first mounting base (14) and the second mounting base (15), institute
State the first mounting base (14) and the second mounting base (15) be located at the two sides of through slot (112), first mounting base (14) and
First rotating shaft (16) are equipped between second mounting base (15)；
The device (12) of trampling includes connection ring (121), and the connection ring (121) is rotatably connected on first rotating shaft (16),
All side external surfaces of the connection ring (121) are fixedly connected with limited block (122), connecting plate (123) and sector gear (124),
The connecting plate (123) is located between limited block (122) and sector gear (124), and the connecting plate (123) includes the first connection
Arm (1231) and the second linking arm (1232), the surface of first linking arm (1231) offer the second mounting hole, and described
One linking arm (1231) is connected with pedal tension spring (1210) by the second mounting hole, the side table of second linking arm (1232)
Face is fixedly connected with fixture block (125), and one end of second linking arm (1232) is fixedly connected with pedal base (126), described to step on
The surface of panel seat (126) opens up third mounting hole, is equipped in the third mounting hole first connecting rod (127), described first
One end of connecting rod (127) is fixedly connected with pedal (128), and a side surface of the pedal base (126) offers jack
(1261), inserted link (129) are installed on the inside of the jack (1261)；
The detection device (13) includes mounting plate (131), and the mounting plate (131) is fixed on the upper table of brake base (11)
Face, the mounting plate (131) are fixedly connected with the second mounting base (15), and the side of the mounting plate (131) offers the 4th peace
Hole is filled, is rotatably connected to the second shaft (132) on the inside of the 4th mounting hole, second shaft (132) is close to connecting plate
(123) one end is fixedly connected with pinion gear (133), and the other end of second shaft (132) passes through the 4th mounting hole and company
It is connected to magnetic sensitive angle sensor (134), the pinion gear (133) and magnetic sensitive angle sensor (134) are located at mounting plate
(131) two sides；
The brake apparatus (2) includes brake feet (201), the surface of the brake feet (201) open up there are four the 5th peace
It fills hole (2011), the 5th mounting hole (2011) is located at four vertex on pedestal (201) surface, the brake feet
(201) upper surface is fixedly connected with two pieces of support plates (202), and the surface of two pieces of support plates (202) offers pin shaft hole,
It is rotatably connected to pin shaft (203), sets between two pieces of support plates (202) there are two the second connecting rod on the inside of the pin shaft hole
(204) it is rotatablely connected with a hanging plate (205), two connecting rods (204) and pin shaft (203), the one of the hanging plate (205)
End is fixedly connected with pin shaft (203), and two second connecting rods (204) are located at the two sides of hanging plate (205), the hanging plate
(205) it is opened up on there are three card slot (2051), the surface of the hanging plate (205), which is run through, to be connected with the first fixed link (206), described
One end of second connecting rod (204) is rotatably connected to the second fixed link (207), the both ends difference of first fixed link (206)
It being connected with brake retracting spring (208), one end connection of the brake retracting spring (208) is connected with one end of the second fixed link (207),
The brake retracting spring (208) is located at the outside of support plate (202), and the upper surface of two pieces of support plates (202) is fixedly connected with
The surface of top plate (209), the top plate (209) offers through-hole (2091), and the inside of the through-hole (2091) is equipped with pull rod
(210), the lower end of the pull rod (210) is connected with lantern ring (211), and the lantern ring (211) is set in the second fixed link (207)
Middle part.
2. a kind of simulation based on angle detection according to claim 1, which is stopped, drives vehicle brake apparatus, which is characterized in that institute
The block number for stating limited block (122) is two pieces, and the angle between two pieces of limited blocks (122) is 120 °.
3. a kind of simulation based on angle detection according to claim 1, which is stopped, drives vehicle brake apparatus, which is characterized in that institute
State sector gear (124) and pinion gear (133) intermeshing.
4. a kind of simulation based on angle detection according to claim 1, which is stopped, drives vehicle brake apparatus, which is characterized in that institute
The front end for stating inserted link (129) is provided with positive stop end (1291), and the surface of the first connecting rod (127) offers several limits
Hole (1271), and several limit holes (1271) are linearly equally spaced on the surface of inserted link (129).
5. a kind of simulation based on angle detection according to claim 1, which is stopped, drives vehicle brake apparatus, which is characterized in that institute
Fixture block (125) and card slot (2051) are stated to be engaged by clamping.
6. a kind of simulation based on angle detection according to claim 1, which is stopped, drives vehicle brake apparatus, which is characterized in that institute
The side for stating top plate (209) offers bayonet (2092), and the width of the bayonet (2092) is greater than the thickness of hanging plate (205).
7. a kind of simulation based on angle detection according to claim 1, which is stopped, drives vehicle brake apparatus, which is characterized in that institute
The upper end for stating pull rod (210) is equipped with curved bending.
8. a kind of simulation based on angle detection according to claim 1, which is stopped, drives vehicle brake apparatus, which is characterized in that institute
The surface for stating limited block (122) offers tapped through hole, and bolt (1221) are equipped in the tapped through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821873426.8U CN209388515U (en) | 2018-11-14 | 2018-11-14 | A kind of simulation brake driving vehicle brake apparatus based on angle detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821873426.8U CN209388515U (en) | 2018-11-14 | 2018-11-14 | A kind of simulation brake driving vehicle brake apparatus based on angle detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209388515U true CN209388515U (en) | 2019-09-13 |
Family
ID=67864617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821873426.8U Active CN209388515U (en) | 2018-11-14 | 2018-11-14 | A kind of simulation brake driving vehicle brake apparatus based on angle detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209388515U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115416638A (en) * | 2022-09-28 | 2022-12-02 | 苏州拿瑟加电子科技有限公司 | Brake detection device and detection system thereof |
-
2018
- 2018-11-14 CN CN201821873426.8U patent/CN209388515U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115416638A (en) * | 2022-09-28 | 2022-12-02 | 苏州拿瑟加电子科技有限公司 | Brake detection device and detection system thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2855998Y (en) | Electromechanic overlapping brake of towing machine | |
| CN201170751Y (en) | Test stand for durability of automobile glass elevator performance | |
| CN209388515U (en) | A kind of simulation brake driving vehicle brake apparatus based on angle detection | |
| CN106124155B (en) | A kind of drop hammer impact testing machine | |
| WO2019028927A1 (en) | Testing bench for automobile electro-mechanical brake system | |
| CN205400212U (en) | Chain rupture anti -falling device | |
| CN102401738A (en) | Fatigue strength test device for parking brake of wheelchair | |
| CN201819808U (en) | Fatigue strength testing device for parking brake of wheelchair | |
| CN104006972B (en) | A kind of electric automobile regenerative braking experiment load maintainer and loading method | |
| CN112629632A (en) | Freight train is jumped title and is detected recognition device for toll station | |
| CN219777335U (en) | Anti-tearing performance detection device for anti-cracking fabric production | |
| CN202339275U (en) | Two-wheel vehicle braking system detection table capable of simulating wheel load transfer | |
| CN206877617U (en) | A kind of LED folding retractable screens of intelligent control | |
| CN207704683U (en) | Variable setting angle driving simulator with power sense feedback | |
| CN215598914U (en) | Partition plate's shock resistance test detection device | |
| CN208999215U (en) | A kind of automobile bumper material strength test device | |
| CN208805530U (en) | A kind of test car speed device for electric vehicle production | |
| CN110530620A (en) | A kind of durability test equipment of automobile butterfly window button | |
| CN112284729A (en) | Noise testing device and testing method for electric locomotive reducer assembly | |
| CN107895529B (en) | A kind of physics teaching measurement average speed experimental provision | |
| CN202808062U (en) | Device for automatically adjusting tension of steel wire rope | |
| CN206848144U (en) | A kind of treadmill foot platform frictional testing machine | |
| CN220206917U (en) | Hydraulic valve rod moment test fixture | |
| CN205483484U (en) | Impact test appearance is prevented to swing seat | |
| CN112683534B (en) | Noise detection device for automobile hub bearing and detection method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |