CN109318871A - A kind of durable holding brake device and the vehicle using it - Google Patents
A kind of durable holding brake device and the vehicle using it Download PDFInfo
- Publication number
- CN109318871A CN109318871A CN201811084046.0A CN201811084046A CN109318871A CN 109318871 A CN109318871 A CN 109318871A CN 201811084046 A CN201811084046 A CN 201811084046A CN 109318871 A CN109318871 A CN 109318871A
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- China
- Prior art keywords
- brake disc
- elastic layering
- lock pin
- brake
- spring
- 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.)
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- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011295 pitch Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/065—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing disc
Abstract
The invention discloses a kind of durable holding brake device and the vehicle for applying it, including a pair of of brake disc, multiple through-holes are circumferentially equipped with as the center of circle using its central rotating shaft in each brake disc；Along the radially-arranged elastic layering of brake disc, the fixing end of each elastic layering is connected on the medial surface of corresponding brake disc, and free end is tilted relative to fixing end；Be connected a slide bar on each elastic layering, and slide bar is arranged in corresponding through-hole, spring and lock pin is arranged on slide bar, spring is limited between elastic layering and lock pin, and lock pin can be slided along through-hole；Pushing mechanism, for squeezing the free end of elastic layering.Brake disc of the invention is used for brake wheel, pushing mechanism is used to squeeze the free end of elastic layering, and elastic layering squeezes spring, and the lateral surface of brake disc is protruded from by spring promotion lock pin, key rotation is prevented by the fixed braking brake pad in outside, then brakes left and right brake disc.
Description
Technical field
The present invention relates to a kind of durable holding brake device and using its vehicle, belong to parking braking technical field.
Background technique
Parking brake refers to after vehicle comes to a complete stop for stablizing the device of vehicle, vehicle is avoided to stop in slope pavement
When caused the accident due to car slipping.
Parking device in the prior art generally comprises disk brake and two kinds of drum brake.For drum brake
Device realizes parking braking by brake drum and brake-shoe interaction.For disk brake, by the way that friction lining is strong
System presses against the two sides of the brake disc rotated together with the wheel of vehicle and brake disc is made to stop rotating, to carry out to vehicle
Brake operating.For this disk brake, need to add a set of drum brake system on the outside of brake disc for parking
Braking.By being operated in a manner of automatically controlled when parking brake parking, vehicle is set to remain stationary state, but its structure is multiple
Miscellaneous, stationarity is poor.
Summary of the invention
The technical problems to be solved by the present invention are: overcoming the deficiencies of the prior art and provide a kind of durable parking braking
Device and the vehicle for applying it, to solve the problems, such as parking braking.
In order to solve the above-mentioned technical problem, the technical scheme is that a kind of durable holding brake device, including
It is mounted on wheel, with co-rotational a pair of of the brake disc of wheel, including left brake disc and right brake disc,
Left brake disc is connected with right brake disc by shaft；It is circumferentially equipped in each brake disc using its central rotating shaft as the center of circle
Multiple through-holes；
Along the radially-arranged elastic layering of brake disc, elastic layering is provided with multiple, and multiple elastic layerings are with brake disc
The central rotating shaft of piece is the center of circle, along the radiation setting of brake disc circumference；The elastic layering includes fixing end and free end, each
The fixing end of elastic layering is connected on the medial surface of corresponding brake disc, and free end is tilted relative to fixing end；Often
Be connected a slide bar on a elastic layering, also, slide bar is arranged in corresponding through-hole, and spring and lock pin are arranged on slide bar,
Spring is limited between elastic layering and lock pin, and lock pin can be slided along through-hole；
Pushing mechanism squeezes the spring by elastic layering, drives spring for squeezing the free end of elastic layering
Through-hole of the lock pin along place is displaced outwardly, and the lock pin is made to protrude from the lateral surface of brake disc, will pass through braking brake pad
Or caliper realizes parking braking to the blocking of lock pin.
Further, the elasticity pressure is provided on the right side of the left brake disc and the left side of right brake disc
Item.
Further, the pushing mechanism includes a pair of bearings being slidably fitted in the shaft, including left bearing and the right side
Bearing, a pair of bearings are adapted to press against on the free end of each elastic layering, and each elastic layering is driven to deform.
Further, the pushing mechanism further includes the forks arm for driving bearing to slide along the shaft, forks arm
Between a pair of bearings, the upper end of forks arm is connect with the piston of hydraulic cylinder or pneumatic cylinder for lower end, passes through hydraulic cylinder or air pressure
The driving of cylinder is relative to or backwards to mobile.
The present invention also provides a kind of vehicles, including wheel and the holding brake device, the holding brake device
It is mounted on wheel.
After above-mentioned technical proposal, the invention has the following advantages:
1) parking braking after the present invention stops for vehicle, wherein brake disc is used for brake wheel, and pushing mechanism is used
In the free end for squeezing elastic layering, elastic layering is made to deform, elastic layering squeezes spring, pushes lock pin convex by spring
For the lateral surface of brake disc, key rotation is prevented by the fixed braking brake pad in outside, then brakes left and right brake disc
Piece, final brake wheel.
2) lockpin sleeve in through-hole is set on slide bar by the present invention, is played guiding to the inside and outside movement of lock pin by slide bar and is made
With, meanwhile, lock pin is connect by spring with elastic layering, can prevent lock pin from deviating from from through-hole, lock pin can be in setting range
Interior sliding axially along slide bar, but not fall off from the outer end of slide bar, avoid damage lock pin.
3) present invention is squeezed and elastic layering is driven to deform using bearing, the extruding that left and right bearing can synchronize be located at a left side,
Two groups of elastic layerings of right brake disc medial surface enable left and right brake disc synchronous braking, and braking effect is stablized.
4) left and right bearing is driven by forks arm, can be synchronized and be pushed left bearing, right bearing along shaft dorsal glide, left,
Right bearing synchronizes the free end for squeezing elastic layering again, promotes elastic layering to deform, it can be ensured that the deformation of elastic layering
Amount is consistent and synchronous, and the braking of left and right brake disc is made also to keep synchronous and consistent.
Detailed description of the invention
Fig. 1 is the assembly force of a pair of of brake disc and the caliper on the outside of it of the invention；
Fig. 2 is the perspective view of holding brake device of the invention；
Fig. 3 is the portion the E partial enlarged view of Fig. 2.
Specific embodiment
In order that the present invention can be more clearly and readily understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail.
Unless not defining, the technical term or scientific term used herein, which is should be in fields of the present invention, to be had
The ordinary meaning that the personage of general technical ability is understood." first " used in the invention patent specification and claims,
" second " and similar word are not offered as any sequence, quantity or importance, and are used only to distinguish different compositions
Part.Equally, the similar word such as "one" or " one " does not indicate that quantity limits yet, but indicates that there are at least one.
As shown in Figure 1 to Figure 3, a kind of durable holding brake device, including a pair of of brake disc, multiple elastic layerings 5
And pushing mechanism.
A pair of of brake disc is mounted on wheel, with wheel common rotation, including left brake disc 1-1 and right brake disc
1-2, left brake disc 1-1 and right brake disc 1-2 are connected by shaft 2.The outside of left and right brake disc has braking to rub respectively
Cleaning block 9, left and right brake disc is by braking brake pad 9 with brake wheel.Braking brake pad 9 is fixed on caliper 10, not with
The rotation of brake disc and rotate.Fig. 1 shows the left and right brake disc of the present apparatus and the assembling structure of caliper.The a pair
Brake disc includes left brake disc 1-1, right brake disc 1-2, a pair of brake disc, that is, left brake disc 1-1, right braking
Disc 1-2 is connected by a shaft 2.Multiple through-holes 3 are circumferentially equipped in each brake disc using its central rotating shaft as the center of circle.
Along the radially-arranged elastic layering 5 of brake disc, elastic layering 5 be provided with it is multiple, in the present embodiment, such as Fig. 1, figure
Shown in 2, it is circumferentially equipped with eight through-holes 3 on left brake disc 1-1, is circumferentially equipped with eight through-holes 3 on right brake disc 1-2,
Elastic layering 5 is also provided with eight, and the quantity of elastic layering 5 is consistent with the quantity of through-hole 3.This eight elastic layerings 5 are with brake disc
The central rotating shaft of piece is the center of circle, along the radiation setting of brake disc circumference.In the present embodiment, the right side of the left brake disc 1-1
And the elastic layering 5 is provided on the left side of right brake disc 1-2.The right side of left brake disc 1-1 and right braking
The left side of disc 1-2 is the opposite medial surface of a pair of brake disc 1.It is each on the medial surface of left and right brake disc
The stability that one group of elastic layering 5 is set when can increase braking.The elastic layering 5 includes fixing end 5-1 and free end 5-
2, the fixing end 5-1 of each elastic layering 5 is connected on the medial surface of corresponding brake disc, and free end 5-2 relative to
Fixing end 5-1 is tilted；Be connected a slide bar 11 on each elastic layering 5, and slide bar 11 is arranged in corresponding through-hole 3, also, sliding
Spring 12 and lock pin 4 are arranged on bar 11, spring 12 is limited between elastic layering 5 and lock pin 4, i.e. one end of spring 12 and bullet
Property press strip 5 be connected, one end of the other end of spring 12 and lock pin 4 is connected, and lock pin 4 can be slided along through-hole 3, by the shape of spring 12
Become and lock pin 4 is pushed to skid off the lateral surface for making lock pin 4 protrude from brake disc along through-hole 3.
Each lock pin 4 is connect by a spring 12 with elastic layering 5.Specifically, it is located on left brake disc 1-1
Elastic layering 5, fixing end 5-1 is fixedly connected on the right side of left brake disc 1-1, and free end 5-2 is relatively fixed
5-1 is held to tilt.Elastic layering on right brake disc 1-2, fixing end 5-1 are fixedly connected on right brake disc 1-2's
On left side, 5-2 relatively fixed end 5-1 in free end is tilted.Elastic layering 5 has elasticity, when the fixing end to elastic layering
When 5-1 direction squeezes free end 5-2, entire elastic layering deforms, and squeezes the spring by elastic layering 5, makes
Through-hole 3 of the spring band pendulum lock pin 4 along place is displaced outwardly.
Pushing mechanism squeezes the bullet by the deformation of elastic layering 5 for squeezing the free end 5-2 of elastic layering 5
Spring is displaced outwardly spring band pendulum lock pin 4 along the through-hole 3 at place, the lock pin 4 is made to protrude from the lateral surface of brake disc, with
It will pass through braking brake pad or caliper and parking braking realized to the blocking of lock pin.
For each lock pin 4 by a spring 12 and 5 elastic connection of elastic layering, spring 12 is in compressive state always, and
Lock pin 4 is pushed to slide along through-hole 3 by spring 12, the lateral surface of brake disc where then protruding from and is located at outside brake disc
The braking brake pad of side acts on, and stops lock pin 4 by braking brake pad.At the left brake disc 1-1 and right brake disc on 1-2
Open up through-hole 3, the purpose that slide bar 11 and spring 12, lock pin thereon are arranged in through-hole 3 is, by lock pin 4 along through-hole 3
Sliding, so that lock pin 4 is protruded from the lateral surface of left and right brake disc, pass through external fixed braking brake pad and prevent 4 turns of lock pin
It is dynamic, then brake left and right brake disc, final brake wheel.
The present invention is for the parking braking after vehicle stopping, wherein brake disc is used for brake wheel, and pushing mechanism is used for
The free end for squeezing elastic layering 5, makes elastic layering 5 deform, and elastic layering 5 squeezes spring 12, is pushed by spring 12
Lock pin 4 protrudes from the lateral surface of brake disc, prevents lock pin 4 from rotating by the fixed braking brake pad in outside, then braking it is left,
Right brake disc, final brake wheel.
Lockpin sleeve in through-hole is set on slide bar 11 by the present invention, is played guiding to the inside and outside movement of lock pin 4 by slide bar and is made
With, meanwhile, lock pin 4 is connect by spring with elastic layering 5, can prevent lock pin 4 from deviating from from through-hole 3, lock pin 4 can set
Determine sliding axially along slide bar 11 in range, but not fall off from the outer end of slide bar 9, avoids damage lock pin 4.
As a preferred embodiment, the pushing mechanism includes a pair of bearings being slidably fitted in the shaft 2, including
Left bearing 6-1 and right bearing 6-2, left bearing 6-1 and right bearing 6-2 are located at left brake disc 1-1 and right brake disc 1-2
Between.The a pair of bearings 6 is adapted to press against on the free end 5-2 of each elastic layering 5, and each elastic layering 5 is driven to deform.Each
Bearing all has inner ring and outer ring, and Fig. 3 shows the inner ring of bearing and the structure of outer ring, and wherein the lower end of forks arm 7 is connected to
On the inner ring of bearing.The outer ring of bearing can be rotated relative to inner ring, the lateral surface of the outer ring of bearing, i.e. the outer ring of left bearing 6-1
Left side, right bearing 6-2 the right side of outer ring can be pressed on the free end 5-2 of elastic layering 5.It is sliding in left and right bearing
During dynamic, the lateral surface of the outer ring of bearing, the i.e. left side of left bearing 6-1, right bearing 6-2 right side be pressed against each elasticity
On the free end 5-2 of press strip 5, exerted a force by left and right bearing to elastic layering 5.In the present embodiment, driven using the extruding of bearing 6
Deform elastic layering 5, the extruding that left and right bearing can synchronize is located at two groups of elastic layerings of left and right brake disc medial surface
5, enable left and right brake disc synchronous braking, and braking effect is stablized.
In order to drive two bearings are synchronous to squeeze elastic layering 5, the pushing mechanism further includes for driving bearing along institute
The forks arm 7 of the sliding of shaft 2 is stated, the lower end of forks arm 7 is between a pair of bearings, the upper end of forks arm 7 and hydraulic cylinder or gas
The piston of cylinder pressure connects, opposite or backwards to moving by the driving of hydraulic cylinder or pneumatic cylinder.The crossover sites rotation of forks arm 7 is matched
Together on rotating dog 8, two lower ends of forks arm 7 are suitable for pressing up against the interior of the inner ring of left bearing 6-1, right bearing 6-2
Side, i.e. the two of forks arm 7 lower end press up against the right side of the inner ring of left bearing 6-1 and the inner ring of right bearing 6-2
Left side on.Since the lower end of forks arm 7 is pressed against on the inner ring of bearing, and the outer ring of bearing 6 is pressed against elastic layering 5
On, forks arm 7 is not interfered with when the rotation of lock pin 4, left and right brake disc and elastic layering 5, the position of forks arm 7 can be fixed
It is motionless.
On the basis of above-mentioned one kind durable holding brake device, a kind of vehicle is resistance to including wheel and described one kind
Holding brake device, the durable holding brake device of described one kind are mounted on wheel.
Working principle of the present invention is as follows:
When needing parking braking, the piston of hydraulic cylinder or pneumatic cylinder pushes two upper ends of forks arm 7 to be moved away from, and pitches
Two lower ends of shape arm 7 are also moved away from and open, synchronous to push left bearing during two lower ends of forks arm 7 are opened
6-1, right bearing 6-2 promote elastic pressure along 2 dorsal glide of shaft, the synchronous free end 5-2 for squeezing elastic layering 5 of left and right bearing
Item 5 deforms, and the elastic layering 5 of deformation squeezes spring 12, drives the lock pin 4 being firmly connected with it along through-hole 3 by spring 12
It slides in and out to setting length, lock pin 4 is made to protrude from the lateral surface of corresponding left and right brake disc, pass through the system that outside is fixed
Dynamic friction block prevents lock pin 4 from rotating, and then brakes left and right brake disc, final brake wheel.When the wheel of stopping is due to external force
(such as on ramp, vehicle is glided due to gravity), left brake disc 1-1 and right brake disc 1-2 when acting on and rotating
It rotates with it, to make the lock pin 4 on disc rotate, when lock pin 4, which encounters the braking brake pad on the outside of disc, to be stopped, due to bullet
The flexible deformation of spring 12, lock pin 4 at this is since the extruding of braking brake pad retracts in through-hole 3, and the outer end of remaining lock pin 4 is then
It is all stretched out out of through-hole 3, since braking brake pad fixation will not rotate on the brake, so when lock pin 4 encounters drag friction
When block, braking brake pad can prevent lock pin 4 from continuing to rotate, to prevent left and right brake disc and vehicle wheel rotation.
When needing to release parking braking, the upper end of hydraulic cylinder or pneumatic cylinder driving forks arm 7 moves towards and resets, and pitches
The lower end of shape arm 7 also moves towards, and elastic layering 5 resets under the action of own resilient, and the outer end of each lock pin 4 bounces back again
To through-hole 3, lock pin 4 and braking brake pad are without touching, to relieve prevention of the braking brake pad to lock pin 4, lock pin 4 can be with
Left and right brake disc normal rotation, parking braking release.
When lock pin 4 stretches out, if its length for stretching out left and right brake disc is enough, lock pin 4 can encounter the system of brake
Dynamic pincers, just replace above-mentioned braking brake pad to realize braking action by caliper.Since the intensity and hardness of caliper are bigger,
So as to play more stable braking action.
Holding brake device of the invention is not necessarily to be used for the drum brake system of parking in the installation of the outside of brake disc, saves
Space on the outside of brake disc makes the brake disc lateral surface of same diameter have the bigger contact area with braking brake pad,
The conventional brake power for cooperating corresponding braking brake pad that can make rear-wheel is bigger.
The present invention realizes parking braking in the way of lock pin 4 and braking brake pad or with the locking of caliper, brakes
Reliability it is higher using frictional force brakes between brake drum and brake-shoe more in the prior art, when automobile is parked on abrupt slope
When, the frictional force between the brake drum and brake-shoe of the prior art is not enough to overcome the descending power of automobile, can make the wheel of automobile
Still it rotates, and the device of the invention will not then turn a wheel, parking braking effect is more preferable.
The present invention guarantees that lock pin 4 is encountering braking brake pad using the retractility and more stable screen resilience of spring 12
When, can compressed spring 12 and be maintained in through-hole 3, spring 12 has compared to flexible elastic layering 5 wider range of to be stretched
Contracting amount and more longlasting, more stable elasticity, to keep the persistence and durability of whole device.
Particular embodiments described above, pair present invention solves the technical problem that, technical scheme and beneficial effects carry out
It is further described, it should be understood that the above is only a specific embodiment of the present invention, is not limited to this
Invention, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this hair
Within bright protection scope.
Claims (5)
1. a kind of durable holding brake device, it is characterised in that: including
It is mounted on wheel, with co-rotational a pair of of the brake disc of wheel, including left brake disc (1-1) and right brake disc
(1-2), left brake disc (1-1) and right brake disc (1-2) are connected by shaft (2)；With its center in each brake disc
Shaft is that the center of circle is circumferentially equipped with multiple through-holes (3)；
Along the radially-arranged elastic layering of brake disc (5), elastic layering (5) be provided with it is multiple, multiple elastic layerings (5) with make
The central rotating shaft of Moving plate piece is the center of circle, along the radiation setting of brake disc circumference；The elastic layering (5) includes fixing end (5-1)
It is connected on the medial surface of corresponding brake disc with the fixing end (5-1) of free end (5-2), each elastic layering (5), and
Free end (5-2) is tilted relative to fixing end (5-1)；It is connected a slide bar (11) on each elastic layering (5), slide bar (11) is worn
In corresponding through-hole (3), also, spring (12) and lock pin (4) are arranged on slide bar (11), spring (12) is limited to elasticity
Between press strip (5) and lock pin (4), lock pin (4) can be slided along through-hole (3)；
Pushing mechanism squeezes the spring by elastic layering (5), makes spring band for squeezing the free end of elastic layering (5)
Through-hole (3) of the pendulum lock pin (4) along place is displaced outwardly, and so that the lock pin (4) is protruded from the lateral surface of brake disc, will pass through
Braking brake pad or caliper realize parking braking to the blocking of lock pin.
2. the durable holding brake device of one kind according to claim 1, it is characterised in that: the left brake disc (1-1)
Medial surface and right brake disc (1-2) medial surface on be provided with the elastic layering (5).
3. the durable holding brake device of one kind according to claim 2, it is characterised in that: the pushing mechanism includes sliding
The a pair of bearings of dynamic cooperation on the shaft (2), including left bearing (6-1) and right bearing (6-2), a pair of bearings are suitable for pressure
It leans against on the free end (5-2) of each elastic layering (5), each elastic layering (5) is driven to deform.
4. the durable holding brake device of one kind according to claim 2, it is characterised in that: the pushing mechanism further includes
Forks arm (7) for driving bearing (6) to slide along the shaft (2), the lower end of forks arm (7) between a pair of bearings,
The upper end of forks arm (7) is connect with the piston of hydraulic cylinder or pneumatic cylinder, opposite or backwards by the driving of hydraulic cylinder or pneumatic cylinder
It is mobile.
5. a kind of vehicle, it is characterised in that: including wheel and such as the durable parking of the described in any item one kind of Claims 1-4
Brake apparatus, the holding brake device are mounted on wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811084046.0A CN109318871A (en) | 2018-09-18 | 2018-09-18 | A kind of durable holding brake device and the vehicle using it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811084046.0A CN109318871A (en) | 2018-09-18 | 2018-09-18 | A kind of durable holding brake device and the vehicle using it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109318871A true CN109318871A (en) | 2019-02-12 |
Family
ID=65266180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811084046.0A Withdrawn CN109318871A (en) | 2018-09-18 | 2018-09-18 | A kind of durable holding brake device and the vehicle using it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109318871A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110979272A (en) * | 2019-12-31 | 2020-04-10 | 曹延香 | Intelligent automobile emergency braking system |
-
2018
- 2018-09-18 CN CN201811084046.0A patent/CN109318871A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110979272A (en) * | 2019-12-31 | 2020-04-10 | 曹延香 | Intelligent automobile emergency braking system |
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Application publication date: 20190212 |