CN108622048A - A kind of gradual dual brake piece brake system in unilateral side - Google Patents
A kind of gradual dual brake piece brake system in unilateral side Download PDFInfo
- Publication number
- CN108622048A CN108622048A CN201810455311.5A CN201810455311A CN108622048A CN 108622048 A CN108622048 A CN 108622048A CN 201810455311 A CN201810455311 A CN 201810455311A CN 108622048 A CN108622048 A CN 108622048A
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- Prior art keywords
- brake
- telescopic rod
- hydraulic power
- gear
- buffer spring
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Classifications
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- 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
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- 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
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention belongs to brake technique fields, more particularly to a kind of gradual dual brake piece brake system in unilateral side, it includes that braking mechanism, first brake disc mechanism, the second brake disc mechanism, shaft, wheel fixed disc, gear fixation the ring disk, first gear and second gear, wherein braking mechanism are connect by hydraulic case with car hydraulics；When brake starts, the first hydraulic power column and the second hydraulic power column push the dynamic braking mechanism of hydraulic power strip to be moved to first brake disk and the second brake disc direction, and first brake piece contacts generation with first brake disk and rubs first, and light skidding starts；First brake piece moves forward that first brake disk is pushed to slide axially along shaft along the same direction；First brake disk rack is moved with first brake disk, and drives the second brake disc mechanism close to the second brake block by corresponding first gear and second gear, and then the second brake disc is contacted with the second brake block and rubbed, and hard braking braking starts.
Description
Technical field
The invention belongs to the gradual dual brake piece brake system in brake technique field more particularly to a kind of unilateral side.
Background technology
Brake technique traditional at present is to push brake block to contact friction with brake disc to realize vapour by hydraulic system
The braking effect of vehicle, light brake uses the same brake block with hard braking, when brake block after rubbing for a long time, it may appear that
At this moment serious abrasion just needs to replace brake block in time to ensure effectively to brake, but many times, even if automobile is done
The prompt for replacing brake block, since certain odjective causes cannot replace brake block in time, the brake block being seriously worn are gone out
It must also work on, in this case, seriously reduce the braking ability of automobile, so as to cause lacking for drive safety
It loses；In addition light brake uses the same brake block with hard braking, and in order to keep brake effective, brake block must have very strong wearability
Can, the same continual use of brake block can cause the brake block rate of wear to be accelerated in this way, shorten the brake pad replacing time,
Increase the brake pad replacing frequency, to increase brake block cost, so just needing to design a kind of increase safety and can reduce
The brake system of brake block cost.
A kind of gradual dual brake piece brake system in unilateral side of present invention design solves the problems, such as above.
Invention content
To solve drawbacks described above in the prior art, the present invention discloses a kind of gradual dual brake piece brake system in unilateral side, it
It is realized using following technical scheme.
A kind of gradual dual brake piece brake system in unilateral side, it is characterised in that：It includes braking mechanism, first brake disk machine
Structure, return spring, the second brake disc mechanism, barrel shape support, first gear, second gear, shaft, wheel fixed disc and gear
Fixed the ring disk, above-mentioned braking mechanism includes first brake piece, the second brake block, first brake piece supports, the second brake block supports,
First telescopic rod, the second telescopic rod, third telescopic rod, the 4th telescopic rod, the first buffer spring, the second buffer spring, third are slow
Rush spring, the 4th buffer spring, hydraulic power plate, the first hydraulic power column, the second hydraulic power column and hydraulic case, wherein hydraulic pressure
First hydraulic power column and the second hydraulic power column are installed, the first hydraulic power column is located at the upper of the second hydraulic power column on shell
Side；Hydraulic power plate is connected with the first hydraulic power column and the second hydraulic power column, and the one of third telescopic rod and the 4th telescopic rod
End is mounted on the upside of the side not connect with hydraulic power column on hydraulic power plate, and the other end is equipped with the second brake block branch
Support；One end of first telescopic rod and the second telescopic rod is mounted under the side not connect with hydraulic power column on hydraulic power plate
Side, the other end are equipped with the support of first brake piece；Third buffer spring is nested on third telescopic rod, third buffer spring one end
It is connected with hydraulic power plate, the other end is the same as the support connection of the second brake block；4th buffer spring is nested on the 4th telescopic rod, the
Four buffer spring one end are connected with hydraulic power plate, and the other end is the same as the support connection of the second brake block；First buffer spring is nested in
On first telescopic rod, first buffer spring one end is connected with hydraulic power plate, and the other end is supported with first brake piece and connected；Second
Buffer spring is nested on the second telescopic rod, and second buffer spring one end is connected with hydraulic power plate, the same first brake of the other end
Piece support connection；First brake piece is mounted in the support of first brake piece；Second brake block is mounted in the support of the second brake block.
Above-mentioned shaft one end is equipped with wheel fixed disc；Multiple wheel fixing grooves are uniformly provided on wheel fixed disc；
Gear is fixed the ring disk and is mounted on shaft periphery；First lead key there are four uniformly being opened on the inner headed face of gear fixation the ring disk
Hole；Notch there are four equably being opened on the periphery of gear fixation the ring disk；It is circumferential on the periphery of shaft to be equably equipped with four
A shaft positioning and guiding key；One end of shaft positioning and guiding key is connect with wheel fixed disc, and the other end passes through corresponding first
Lead key hole；Four first gears are mounted on gear by four first axles and fix in four notch of counter offer；Each first axle
On symmetrically installation is there are two second gear, and two second gears are located at first gear both sides, first gear and second gear
Connection；Second gear diameter is more than first gear diameter；First brake disc mechanism be mounted on shaft on, and with shaft positioning and guiding
Key and second gear match；Second brake disc mechanism be mounted on shaft on, and with shaft positioning and guiding key and first gear phase
Cooperation.
Above-mentioned first brake disc mechanism includes first brake disk, first brake disk rack, return spring and rack fixed ring
Pedestal, has axis hole wherein on first brake disk, equably open that there are four the second lead key holes on the inner headed face of axis hole；Four second
Lead key hole shaft positioning and guiding key corresponding in shaft matches；Rack fixed ring pedestal is coaxial with first brake disk and installs
In first brake disk；The interior circular diameter of rack fixed ring pedestal is equal with the outside diameter of return spring；Four first brakes
The mounting means of hull rack is identical and is uniformly distributed；For first brake disk rack, one end is mounted on rack fixed ring pedestal
On, the other end is meshed with corresponding second gear；Return spring is nested in shaft, and return spring one end is fixed by rack
The inner headed face of ring pedestal is connect with first brake disk, and the other end is fixed the ring disk side with gear and connect；Shaft positioning and guiding key one
End is across corresponding second lead key hole；First brake disc mechanism is mounted in shaft；First brake disk matches with first brake piece
It closes.
Above-mentioned second brake disc mechanism includes barrel shape support, the second brake disc and the second brake disc rack, wherein barrel shape branch
Support is provided with axis hole on bottom surface；Third lead key hole there are four uniformly being opened on axle hole inner circle face；Barrel shape support is mounted in shaft；Shaft
Positioning and guiding key one end passes through corresponding third lead key hole；Four the second brake disc rack mounting means are identical and are uniformly distributed；
For the second brake disc rack, one end is mounted on barrel shape support bottom surface and in barrel shape support, the other end and corresponding the
One gear is meshed；Second brake disc is mounted in barrel shape support；Second brake disc mechanism is mounted in shaft；Second brake disc
It is matched with the second brake block.
It is above-mentioned isometric when the first telescopic rod is uncompressed with the second telescopic rod as being further improved for this technology,
Third telescopic rod is isometric when being uncompressed with the 4th telescopic rod, and in the case where being uncompressed, the first telescopic rod is stretched with second
The length of contracting bar is more than the length of third telescopic rod and the 4th telescopic rod.
As being further improved for this technology,：Hydraulic case is mounted on the hydraulic system on automobile.
As being further improved for this technology, above-mentioned wheel is mounted on by bolt in wheel fixing groove.
As being further improved for this technology, the first buffer spring, the second buffer spring, third buffer spring and the 4th are slow
It is compressed spring to rush spring.
As being further improved for this technology, the return spring in first brake disc mechanism is compressed spring.
The coefficient of elasticity of third buffer spring in the present invention is equal with the coefficient of elasticity of the 4th buffer spring, the first buffering
The elastic coefficient is equal with the second buffer spring coefficient of elasticity, and third buffer spring and the coefficient of elasticity of the 4th buffer spring are big
In the coefficient of elasticity of the first buffer spring and the second buffer spring, third buffer spring and the 4th buffer spring are than the first buffering elastic
Spring with the second buffer spring is more difficult is compressed, then the friction effect of the second brake block and the second brake disc will be better than
The friction effect of one brake block and first brake disk.
Hydraulic case is connected with hydraulic system in the present invention, then hydraulic case is fixed；First liquid is installed on hydraulic case
Pressure power column and the second hydraulic power column, hydraulic power plate are connected with the first hydraulic power column and the second hydraulic power column, then
First hydraulic power column and the second hydraulic power column can drive hydraulic power plate to far from hydraulic case under the promotion of hydraulic oil
Direction movement；One end of third telescopic rod and the 4th telescopic rod is mounted on the upside of hydraulic power plate side, and the other end is equipped with
Second brake block supports, then hydraulic power plate can pass through third telescopic rod and the 4th telescopic rod drives the support of the second brake block
It is moved to the same direction；One end of first telescopic rod and the second telescopic rod is mounted on the downside of hydraulic power plate side, other end peace
It is supported equipped with first brake piece, then hydraulic power plate can pass through the first telescopic rod and the second telescopic rod drives the first vehicle piece branch
It supports and is moved to the same direction；First brake piece follows the support of first brake piece to move together, and the second brake block follows the second brake
Piece support moves together.
Shaft one end in the present invention is equipped with wheel fixed disc, then wheel fixed disc is fixed, and with shaft
It rotates together；Gear is fixed the ring disk and is mounted on shaft periphery, is fixed then gear fixes the ring disk peace, and with shaft
Rotation；First gear and second gear are mounted on by first axle in corresponding notch, and first gear is connected with second gear,
So second gear can drive first gear to rotate；Second gear diameter is more than first gear diameter, first gear and second
Brake disc rack engages, and second gear is engaged with first brake disk rack, then being rotated at the same speed in first gear and second gear
Drive under, first brake disk rack move distance be more than the second brake disc rack move distance.
First brake disc mechanism in the present invention, four the second lead key holes shaft positioning and guiding key phase corresponding in shaft
Cooperation, shaft positioning and guiding key pass through the second lead key hole, then first brake disk under the promotion of first brake piece along shaft axis
To sliding, and first brake disk rotates under the action of shaft positioning and guiding key with shaft；Rack fixed ring floor installation is
In one brake disk, first brake disk rack is fixed on rack fixed ring pedestal, then first brake disk can be solid through rack
Determine ring pedestal and drives the movement of first brake disk rack；First brake disk rack is engaged with second gear, then first brake disk tooth
The movement of item drives second gear rotation；The effect of return spring is that the movement of first brake disk is allowed to reset.
The second brake disc mechanism in the present invention, barrel shape support are provided with axis hole on bottom surface, and axle hole inner circle is uniformly provided on face
Four third lead key holes, barrel shape support are mounted in shaft, and shaft positioning and guiding key one end passes through corresponding third lead key hole, bucket
Type support is mounted in shaft, and first gear is engaged with the second brake disc rack, then the second brake disc rack is in first gear
Rotation drive under, slide axially along shaft, the second brake disc rack drives barrel shape support and the second brake block slide together；
Four the second brake disc rack mounting means are identical and are uniformly distributed, then the second brake disc rack will not be because of suffered stress mistake
It is damaged in concentration.
When the first hydraulic power column and the second hydraulic power column are not extended by hydraulic system, first brake piece and first
Brake disc is not in contact generation friction, at this time without braking effect.
When HYDRAULIC CONTROL SYSTEM the first hydraulic power column and the second hydraulic power column extend, the first hydraulic power column and the
Two hydraulic power columns push simultaneously hydraulic power plate, the first telescopic rod, the second telescopic rod, third telescopic rod and the 4th telescopic rod,
The support of first brake piece, the support of first brake piece, the second brake block and the second brake block are moved to first brake disk direction together,
Since the length of the first telescopic rod and the second telescopic rod is more than the length of third telescopic rod and the 4th telescopic rod, so first brake
Piece contacts with first brake disk rub first, and light skidding starts；As the first hydraulic power column and the second hydraulic pressure are dynamic
Power column continues to extend, and first brake piece continues to press on first brake disk and slided to barrel shape support direction, while return spring is pressed
Contracting, four first brake disk racks drive corresponding second gear to rotate simultaneously, and second gear drives corresponding second brake disc
Rack moves axially so, and the second brake disc rack moves together by the second brake disc of barrel shape supporting drive, the second brake disc
The direction of motion is opposite with the first brake disk direction of motion；Since second gear diameter is more than first gear diameter, first brake piece
The distance of promotion first brake disc mechanism sliding is than the distance that the second brake disc slides；In the second brake block and the second brake disc
Before contact, first brake piece always belongs to light skidding with the contact of first brake disk；At the end of automobile brake needs,
First hydraulic power column and the second hydraulic power column shrink and drive simultaneously hydraulic power plate, the first telescopic rod, the second telescopic rod,
Third telescopic rod, the 4th telescopic rod, the first buffer spring, the second buffer spring, third buffer spring, the 4th buffer spring,
The support of one brake block, the support of first brake piece, the second brake block and the second brake block move to original starting to hydraulic case direction
Position；In the process, the first buffer spring and the second buffer spring restore elongation simultaneously, and first brake piece is supported together with the
One brake block reverts to the home position opposite with hydraulic power plate；Return spring reduction extends and pushes first brake disc mechanism
Return to original initial position.
Under automobile normal running state, first brake piece is entirely capable of meeting with the light skidding that first brake disk generates
The braking requirement of automobile, when automobile emergency brake occurs in the process of moving, light brake cannot meet the braking requirement of automobile,
So HYDRAULIC CONTROL SYSTEM the first hydraulic power column continues to extend with the second hydraulic power column, the first hydraulic power column and the second liquid
Pressure power column continues that hydraulic power plate, the first telescopic rod, the second telescopic rod, third telescopic rod, the 4th telescopic rod, first is driven to delay
Rush spring, the second buffer spring, third buffer spring, the 4th buffer spring, the support of first brake piece, first brake piece, second
Brake block supports and the second brake block is moved to the direction of the second brake disc；First brake piece continues to press on first brake disk to bucket
The direction movement of type support；The direction that first brake disk drives first brake disk rack to be supported to barrel shape moves, first brake disk
Rack drives the second brake disc rack to do the movement opposite with first brake disk direction by respective gears；Second brake disc is installed
In barrel shape support, as the second brake disc of barrel shape supporting drive is moved toward one another with the second brake block, until the second brake disc
It contacts and rubs with the second brake block, hard braking braking starts；During hard braking is braked, first brake piece and second
Brake block plays a role simultaneously, due to the coefficient of elasticity of third buffer spring and the 4th buffer spring be more than the first buffer spring and
The coefficient of elasticity of second buffer spring, so when first brake piece and the second brake block play a role simultaneously, the second brake block
The braking effect of generation is than the good braking effect that first brake piece generates, then the second brake block just assumes responsibility for main braking duty
Appoint；When hard braking end of braking, the first hydraulic power column and the second hydraulic power column shrink and drive simultaneously hydraulic power plate,
First telescopic rod, the second telescopic rod, third telescopic rod, the 4th telescopic rod, the first buffer spring, the second buffer spring, third are slow
Spring, the 4th buffer spring, the support of first brake piece, the support of first brake piece, the second brake block and the second brake block are rushed to liquid
Pressure shell direction moves to original initial position；In the process, third buffer spring and the 4th buffer spring restore elongation simultaneously,
The support of second brake block is reverted to the home position opposite with hydraulic power plate together with the second brake block, the first buffer spring and
Second buffer spring continues while restoring elongation, and first brake piece is supported and is reverted to and hydraulic power plate together with first brake piece
Opposite home position；Return spring reduction extends and first brake disc mechanism is pushed to return to original initial position.
Relative to traditional brake technique, the present invention is in automobile normal running, first brake piece and first brake
The light skidding that disk generates is entirely capable of meeting the braking requirement of automobile；And occurs emergency brake situation in vehicle traveling process
Under, only hard braking braking could meet the braking requirement of automobile, and at this moment first brake piece and the second brake block play work simultaneously
To ensure enough travel safeties；In above-mentioned two situations, first brake piece plays work as work brake block always
With, can cause first brake pad wear speed accelerate, replace the frequency be far longer than the second brake block；The wearability of first brake piece
The wear-resisting property of the second brake block can be less than, first brake piece wear-resisting property is also well below brake block in conventional braking system
Wear-resisting property；It is lower more practical relative to brake block cost in conventional braking system；It is led when being seriously worn occurs in first brake piece
When causing braking effect bad or losing braking action, automobile can make the prompt for replacing brake block, but many times, visitor
See the promptness that environmental restrictions first brake piece is replaced so that light skidding is not good enough or failure；In this case,
Two brake block active undertakings play the braking responsibility of first brake piece, to ensure traffic safety.
Description of the drawings
Fig. 1 is brake system overall structure diagram.
Fig. 2 is brake system structural profile illustration.
Fig. 3 is brake system right lateral contours schematic diagram.
Fig. 4 is braking mechanism overall schematic.
Fig. 5 is braking mechanism telescopic rod schematic diagram.
Fig. 6 is the second brake disc mechanism and shaft cooperation schematic diagram.
Fig. 7 is that the second brake disc mechanism and shaft coordinate reversed schematic diagram.
Fig. 8 is the second brake disc schematic diagram.
Fig. 9 is the second brake disc structural scheme of mechanism.
Figure 10 is first brake disc mechanism and shaft cooperation schematic diagram.
Figure 11 is first brake disc mechanism schematic diagram.
Figure 12 is that shaft, wheel fixed disc and gear fix disk cooperation schematic diagram.
Figure 13 is first gear and second gear cooperation schematic diagram.
Figure 14 is rack-and-pinion cooperation schematic diagram.
Figure 15 is rack-and-pinion cooperation diagrammatic cross-section.
Figure 16 is that gear fixes the ring disk schematic diagram.
Figure 17 is that gear fixes the ring disk and shaft cooperation schematic diagram.
Figure label title：1, hydraulic case；2, hydraulic power plate；3, the first hydraulic power column；4, the second hydraulic power column；
5, the second brake block supports；6, the second brake block；7, first brake piece supports；8, first brake piece；9, barrel shape supports；10, vehicle
Take turns fixed disc；11, the second brake disc；12, shaft；13, third buffer spring；14, third telescopic rod；15, first axle；16、
4th buffer spring；17, the 4th telescopic rod；18, rack fixed ring pedestal；19, the second buffer spring；20, the second telescopic rod；
21, braking mechanism；22, the first buffer spring；23, the first telescopic rod；24, shaft positioning and guiding key；25, first brake disk；26、
Second brake disc rack；27, the first lead key hole；28, the second lead key hole；29, third lead key hole；30, gear fixes the ring disk；31、
Second gear；32, first gear；33, first brake disc mechanism；34, the second brake disc mechanism；35, return spring；36, first
Brake disc rack；37, wheel fixing groove.
Specific implementation mode
As shown in Figure 1, it includes braking mechanism 21, first brake disc mechanism 33, the brake disc mechanism of return spring 35, second
34, barrel shape support 9, first gear 32, second gear 31, shaft 12, wheel fixed disc 10 and gear fix the ring disk 30, above-mentioned
Braking mechanism 21 supports the 7, second brake block support 5, first to stretch including first brake piece 8, the second brake block 6, first brake piece
Contracting bar 23, the second telescopic rod 20, third telescopic rod 14, the 4th telescopic rod 17, the first buffer spring 22, the second buffer spring 19,
Third buffer spring 13, the 4th buffer spring 16, hydraulic power plate 2, the first hydraulic power column 3, the second hydraulic power column 4 and liquid
Pressure shell 1；As shown in figure 4, being wherein equipped with the first hydraulic power column 3 and the second hydraulic power column 4, the first hydraulic pressure on hydraulic case 1
Power column 3 is located at the upside of the second hydraulic power column 4；As shown in figure 5, hydraulic power plate 2 and the first hydraulic power column 3 and second
Hydraulic power column 4 is connected, and one end of third telescopic rod 14 and the 4th telescopic rod 17 is mounted on no and hydraulic pressure on hydraulic power plate 2
On the upside of the side of power column connection, the other end is equipped with the second brake block support 5；First telescopic rod 23 and the second telescopic rod 20
One end is mounted on the downside of the side not connect with hydraulic power column on hydraulic power plate 2, and the other end is equipped with first brake piece
Support 7；As shown in figure 4, third buffer spring 13 is nested on third telescopic rod 14,13 one end of third buffer spring is dynamic with hydraulic pressure
Power plate 2 connects, and the other end is the same as 5 connection of the second brake block support；4th buffer spring 16 is nested on the 4th telescopic rod 17, and the 4th
16 one end of buffer spring is connected with hydraulic power plate 2, and the other end is the same as 5 connection of the second brake block support；First buffer spring 22 is embedding
It is sleeved on the first telescopic rod 23,22 one end of the first buffer spring is connected with hydraulic power plate 2, and the other end is supported with first brake piece
7 connections；Second buffer spring 19 is nested on the second telescopic rod 20, and 19 one end of the second buffer spring is connected with hydraulic power plate 2,
The other end is the same as 7 connection of first brake piece support；First brake piece 8 is mounted in first brake piece support 7；Second brake block 6 is pacified
In the second brake block support 5.
As shown in figure 12,12 one end of above-mentioned shaft is equipped with wheel fixed disc 10；As shown in figure 3, wheel fixed disc
Multiple wheel fixing grooves 37 are uniformly provided on 10；As shown in figure 17, gear is fixed the ring disk 30 and is mounted on 12 periphery of shaft；Such as
Shown in Figure 16, gear is fixed on the inner headed face of the ring disk 30 and is uniformly opened there are four the first lead key hole 27；Gear fixes the ring disk 30
Notch there are four equably being opened on periphery；As shown in figure 17, there are four turn for circumferential equably installation on the periphery of shaft 12
Axis positioning and guiding key 24；As shown in figure 12, one end of shaft positioning and guiding key 24 is connect with wheel fixed disc 10, and the other end is worn
Cross corresponding first lead key hole 27；Four first gears 32 are cut by four that four first axles 15 are mounted on gear fixation counter offer
In mouthful；As shown in figure 13, second gear 31 there are two symmetrically being installed in each first axle 15, and two second gears 31
In 32 both sides of first gear, first gear 32 is connect with second gear 31；31 diameter of second gear is more than 32 diameter of first gear；
As shown in Figure 10, first brake disc mechanism 33 be mounted on shaft 12 on, and with 31 phase of shaft positioning and guiding key 24 and second gear
Cooperation；As shown in fig. 7, second brake disc mechanism 34 be mounted on shaft 12 on, and with shaft positioning and guiding key 24 and first gear
32 match.
As shown in figure 11, above-mentioned first brake disc mechanism 33 includes first brake disk 25, first brake disk rack 36, return
Spring 35 and rack fixed ring pedestal 18 have axis hole, are equably provided on the inner headed face of axis hole wherein on first brake disk 25
Four the second lead key holes 28；Corresponding in the shaft 12 shaft positioning and guiding key in four the second lead key holes 28 24 matches；Rack
Fixed ring pedestal 18 is coaxial with first brake disk 25 and on 25 face of first brake disk；The inner circle of rack fixed ring pedestal 18
Diameter is equal with the outside diameter of return spring 35；As shown in figure 14, the mounting means of four first brake disk racks 36 is identical
And it is uniformly distributed；For first brake disk rack 36, one end is mounted on rack fixed ring pedestal 18, the other end and corresponding the
Two gears 31 are meshed；As shown in Figure 10, return spring 35 is nested in shaft 12, and 35 one end of return spring is fixed by rack
The inner headed face of ring pedestal 18 is connect with first brake disk 25, and the other end is fixed 30 side of the ring disk with gear and connect；Shaft positioning is led
Corresponding second lead key hole 28 is passed through to 24 one end of key；As shown in Fig. 2, first brake disc mechanism 33 is mounted in shaft 12；The
One brake disc 25 is matched with first brake piece 8.
As shown in figure 9, above-mentioned second brake disc mechanism 34 includes that barrel shape supports the 9, second brake disc 11 and the second brake disc
Rack 26, wherein barrel shape support and are provided with axis hole on 9 bottom surfaces；Third lead key hole 29 there are four uniformly being opened on axle hole inner circle face；Such as Fig. 6
Shown, barrel shape support 9 is mounted in shaft 12；24 one end of shaft positioning and guiding key passes through corresponding third lead key hole 29；Such as Fig. 9
Shown, four 26 mounting means of the second brake disc rack are identical and are uniformly distributed；As shown in fig. 7, for the second brake disc rack
26, one end is mounted on barrel shape and supports on 9 bottom surfaces and in barrel shape support 9, and the other end is meshed with corresponding first gear 32；
As shown in figure 8, the second brake disc 11 is mounted in barrel shape support 9；As shown in fig. 6, the second brake disc mechanism 34 is mounted on shaft
On 12；As shown in Fig. 2, the second brake disc 11 is matched with the second brake block 6.
As shown in figure 5, above-mentioned isometric when the first telescopic rod 23 is uncompressed with the second telescopic rod 20, third telescopic rod
14 is isometric when being uncompressed with the 4th telescopic rod 17, in the case where being uncompressed, the first telescopic rod 23 and the second telescopic rod
20 length is more than the length of third telescopic rod 14 and the 4th telescopic rod 17.
As shown in Fig. 2, hydraulic case 1 is mounted on the hydraulic system on automobile.
As shown in figure 12, above-mentioned wheel is mounted on by bolt in wheel fixing groove 37.
As shown in figure 3, the first buffer spring 22, the second buffer spring 19, third buffer spring 13 and the 4th buffer spring
16 be compressed spring.
As shown in figure 14, the return spring 35 in first brake disc mechanism 33 is compressed spring.
The first flexible housing is nested on the first flexible inner prop in the present invention, then the first telescopic rod 23 can freely be stretched
Contracting；First flexible housing one end is connect with 2 downside of hydraulic power plate, and 23 one end of the first telescopic rod connects with first brake piece support 7
It connects, then the first telescopic rod 23 can drive 7 movement of first brake piece support under the promotion of hydraulic power plate 2.
The second flexible housing is nested on the second flexible inner prop in the present invention, then the second telescopic rod 20 can freely be stretched
Contracting；Second flexible housing one end is connect with 2 downside of hydraulic power plate side by side with the first flexible housing；Second flexible inner prop one end is same
First flexible inner prop is connect with first brake piece support 7 side by side, then the second telescopic rod 20 can pushing away in hydraulic power plate 2
Drive 7 movement of first brake piece support under dynamic together with the first telescopic rod 23.
The flexible housing of third is nested in third and stretches on inner prop in the present invention, then third telescopic rod 14 can freely be stretched
Contracting；The flexible housing one end of third is connect on the upside of the first flexible housing with 2 upside of hydraulic power plate；Third stretch inner prop one end with
Second brake block support, 5 connection, then third telescopic rod 14 can drive the second brake block under the promotion of hydraulic power plate 2
5 movement of support.
The 4th flexible housing is nested on the 4th flexible inner prop in the present invention, then the 4th telescopic rod 17 can freely be stretched
Contracting；4th flexible housing one end is connect with the upside of hydraulic power plate 2 side by side with the third housing that stretches, and the 4th flexible housing is located at
On the upside of second flexible housing；4th flexible inner prop one end and the second brake block support 5 connect and pacifies side by side with the third inner prop that stretches
Dress, then the 4th telescopic rod 17 can drive the second brake together under the promotion of hydraulic power plate 2 with third telescopic rod 14
5 movement of piece support.
Hydraulic case 1 is connected with hydraulic system in the present invention, then hydraulic case 1 is fixed；It is equipped with first on hydraulic case 1
Hydraulic power column 3 and the second hydraulic power column 4, hydraulic power plate 2 and 4 phase of the first hydraulic power column 3 and the second hydraulic power column
Even, then the first hydraulic power column 3 and the second hydraulic power column 4 can be driven under the promotion of hydraulic oil hydraulic power plate 2 to
Direction movement far from hydraulic case 1；One end of third telescopic rod 14 and the 4th telescopic rod 17 is mounted on 2 side of hydraulic power plate
Side, the other end are equipped with the second brake block support 5, stretch then hydraulic power plate 2 can pass through third telescopic rod 14 and the 4th
Bar 17 drives the second brake block support 5 to be moved to the same direction；One end of first telescopic rod 23 and the second telescopic rod 20 is mounted on
On the downside of 2 side of hydraulic power plate, the other end is equipped with first brake piece support 7, then hydraulic power plate 2 can be stretched by first
Contracting bar 23 and the second telescopic rod 20 drive the first vehicle piece to support and are moved to the same direction；First brake piece 8 follows first brake piece
Support 7 moves together, and the second brake block 6 follows the second brake block support 5 to move together.
As shown in figure 15,12 one end of shaft in the present invention is equipped with wheel fixed disc 10, then wheel fixed disc
10 are fixed, and are rotated together with shaft 12；Gear is fixed the ring disk 30 and is mounted on 12 periphery of shaft, then gear fixed ring
The peace of disk 30 is fixed, and is rotated together with shaft 12；First gear 32 and second gear 31 are mounted on corresponding by first axle 15
Notch in, first gear 32 is connected with second gear 31, then second gear 31 can drive first gear 32 rotate；The
Two gears, 31 diameter is more than 32 diameter of first gear, and first gear 32 engages with the second brake disc rack 26, second gear 31 and
First brake disk rack 36 engages, then under the drive that first gear 32 and second gear 31 rotate at the same speed, first brake disk
36 move distance of rack is more than 26 move distance of the second brake disc rack.
First brake disc mechanism 33 in the present invention, the shaft positioning corresponding in shaft 12 of four the second lead key holes 28 are led
It is matched to key 24, shaft positioning and guiding key 24 passes through the second lead key hole 28, then first brake disk 25 is in first brake piece 8
It slides axially along shaft 12 under promotion, and first brake disk 25 rotates under the action of shaft positioning and guiding key 24 with shaft 12；
Rack fixed ring pedestal 18 is mounted on 25 face of first brake disk, and first brake disk rack 36 is fixed on rack fixed ring pedestal 18
On, then first brake disk 25 can drive first brake disk rack 36 to move through rack fixed ring pedestal 18；First brake disk
Rack 36 is engaged with second gear 31, then the movement of first brake disk rack 36 drives second gear 31 to rotate；Return spring
35 effect is that the movement of first brake disk 25 is allowed to reset.
The second brake disc mechanism 34 in the present invention, barrel shape support and are provided with axis hole on 9 bottom surfaces, and axle hole inner circle is uniformly opened on face
There are four third lead key hole 29, barrel shape support 9 is mounted in shaft 12, and 24 one end of shaft positioning and guiding key passes through corresponding third
Lead key hole 29, barrel shape support 9 are mounted in shaft 12, and first gear 32 is engaged with the second brake disc rack 26, then second stops
Hull rack 26 slides axially in the case where the rotation of first gear 32 drives along shaft 12, and the second brake disc rack 26 drives bucket
Type support 9 and the second brake block 6 slide together；Four 26 mounting means of the second brake disc rack are identical and are uniformly distributed, then
Second brake disc rack 26 will not excessively be concentrated because of suffered stress and be damaged.
Specific implementation mode：When the first hydraulic power column 3 and the second hydraulic power column 4 are not extended by hydraulic system,
First brake piece 8 is not in contact generation friction with first brake disk 25, at this time without braking effect.
When the first hydraulic power of HYDRAULIC CONTROL SYSTEM column 3 and the second hydraulic power column 4 extend, the first hydraulic power column 3
With the second hydraulic power column 4 push simultaneously hydraulic power plate 2, the first telescopic rod 23, the second telescopic rod 20, third telescopic rod 14 and
4th telescopic rod 17, first brake piece support 7, first brake piece 8, the support 5 of the second brake block and the second brake block 6 are together to the
One brake disc, 25 direction moves, since the length of the first telescopic rod 23 and the second telescopic rod 20 is more than third telescopic rod 14 and the 4th
The length of telescopic rod 17 rubs so first brake piece 8 is contacted with first brake disk 25 first, and light skidding starts；
As the first hydraulic power column 3 and the second hydraulic power column 4 continue to extend, first brake piece 8 continues to press on first brake disk 25
9 directions are supported to slide to barrel shape, while return spring 35 is compressed, and four first brake disk racks 36 drive corresponding the simultaneously
Two gears 31 rotate, and second gear 31 drives corresponding second brake disc rack 26 to move axially so, the second brake disc rack
26 move together by 9 the second brake disc 11 of drive of barrel shape support, and 11 direction of motion of the second brake disc is transported with first brake disk 25
Dynamic direction is opposite；Since 31 diameter of second gear is more than 32 diameter of first gear, first brake piece 8 pushes first brake disc mechanism
The distance of 33 slidings is than the distance that the second brake disc 11 slides；Before the second brake block 6 is contacted with the second brake disc 11, the
One brake block 8 always belongs to light skidding with the contact of first brake disk 25；At the end of automobile brake needs, the first hydraulic pressure
Power column 3 and the second hydraulic power column 4 shrink and drive simultaneously hydraulic power plate 2, the first telescopic rod 23, the second telescopic rod 20,
Third telescopic rod 14, the 4th telescopic rod 17, the first buffer spring 22, the second buffer spring 19, third buffer spring the 13, the 4th are slow
Spring 16, first brake piece support 7, first brake piece 8, the support 5 of the second brake block and the second brake block 6 are rushed to 1 side of hydraulic case
To moving to original initial position；In the process, the first buffer spring 22 and the second buffer spring 19 restore elongation simultaneously,
First brake piece support 7 reverts to the home position opposite with hydraulic power plate 2 together with first brake piece 8；Return spring 35 is also
Original extends and first brake disc mechanism 33 is pushed to return to original initial position.
Under automobile normal running state, the light skidding that first brake piece 8 is generated with first brake disk 25 is entirely capable of
The braking requirement for meeting automobile, when automobile emergency brake occurs in the process of moving, light brake cannot meet the braking of automobile
Demand, so the first hydraulic power of HYDRAULIC CONTROL SYSTEM column 3 continues to extend with the second hydraulic power column 4, the first hydraulic power column 3
With the second hydraulic power column 4 continue to drive hydraulic power plate 2, the first telescopic rod 23, the second telescopic rod 20, third telescopic rod 14,
4th telescopic rod 17, the first buffer spring 22, the second buffer spring 19, third buffer spring 13, the 4th buffer spring 16, first
Brake block support 7, first brake piece 8, the support 5 of the second brake block and the second brake block 6 are moved to the direction of the second brake disc 11；
First brake piece 8 continues to press on first brake disk 25 and is moved to the direction of barrel shape support 9；First brake disk 25 drives first brake
Disk rack 36 is moved to the direction of barrel shape support 9, and first brake disk rack 36 drives the second brake disc rack by respective gears
26 do the movement opposite with 25 direction of first brake disk；Second brake disc 11 is mounted in barrel shape support 9, as barrel shape supports 9
It is moved toward one another with the second brake block 6 until the second brake disc 11 is contacted with the second brake block 6 and rubbed, hard braking braking is opened
Begin；During hard braking is braked, first brake piece 8 plays a role simultaneously with the second brake block 6, due to third buffer spring
13 and the 4th buffer spring 16 coefficient of elasticity be more than the first buffer spring 22 and the second buffer spring 19 coefficient of elasticity, so
When first brake piece 8 and the second brake block 6 play a role simultaneously, the second brake block 6 assumes responsibility for main braking responsibility；When weight
At the end of skidding, the first hydraulic power column 3 and the second hydraulic power column 4 shrink and drive hydraulic power plate 2, first simultaneously
Telescopic rod 23, the second telescopic rod 20, third telescopic rod 14, the 4th telescopic rod 17, the first buffer spring 22, the second buffer spring
19, third buffer spring 13, the 4th buffer spring 16, first brake piece support 7, first brake piece 8, the second brake block support 5
With the second brake block 6 original initial position is moved to 1 direction of hydraulic case；In the process, third buffer spring 13 and the 4th
Buffer spring 16 restores elongation simultaneously, and the second brake block support 5 is reverted to and 2 phase of hydraulic power plate together with the second brake block 6
To home position, the first buffer spring 22 and the second buffer spring 19 continue to restore elongation simultaneously, first brake piece support 7
The home position opposite with hydraulic power plate 2 is reverted to together with first brake piece 8；The reduction of return spring 35 extends and pushes first
Brake disc mechanism 33 returns to original initial position.
In conclusion beneficial effects of the present invention：In automobile normal running, first brake piece 8 and first brake
The light skidding that disk 25 generates is entirely capable of meeting the braking requirement of automobile；And occur emergency brake feelings in vehicle traveling process
Under condition, only hard braking braking could meet the braking requirement of automobile, and at this moment first brake piece 8 is sent out simultaneously with the second brake block 6
The effect of waving is to ensure enough travel safeties；In above-mentioned two situations, first brake piece 8 is used as work brake block to play always
Effect, 8 rate of wear of first brake piece can be caused to accelerate, the frequency is replaced and is far longer than the second brake block 6；First brake piece 8
Wear-resisting property be less than the second brake block 6 wear-resisting property, 8 wear-resisting property of first brake piece is also well below conventional braking system
The wear-resisting property of middle brake block；It is lower more practical relative to brake block cost in conventional braking system；When first brake piece 8 occurs
Be seriously worn cause braking effect bad or lose braking action when, automobile can make replace brake block prompt, but
Many times, objective environment limits the promptness of the replacement of first brake piece 8 so that light skidding is not good enough or failure；
In this case, 6 active undertaking of the second brake block plays the braking responsibility of first brake piece 8, to ensure traffic safety；Knot of the present invention
Structure is simple, has preferable using effect.
Claims (6)
1. a kind of gradual dual brake piece brake system in unilateral side, it is characterised in that：It include braking mechanism, first brake disc mechanism,
Return spring, the second brake disc mechanism, barrel shape support, first gear, second gear, shaft, wheel fixed disc and gear are solid
Determine the ring disk, above-mentioned braking mechanism includes first brake piece, the second brake block, the support of first brake piece, the support of the second brake block, the
One telescopic rod, the second telescopic rod, third telescopic rod, the 4th telescopic rod, the first buffer spring, the second buffer spring, third buffering
Spring, the 4th buffer spring, hydraulic power plate, the first hydraulic power column, the second hydraulic power column, hydraulic case, wherein hydraulic case
On the first hydraulic power column and the second hydraulic power column are installed, the first hydraulic power column is located at the upper of the second hydraulic power column
Side；Hydraulic power plate is connected with the first hydraulic power column and the second hydraulic power column, and the one of third telescopic rod and the 4th telescopic rod
End is mounted on the upside of the side not connect with hydraulic power column on hydraulic power plate, and the other end is equipped with the second brake block branch
Support；One end of first telescopic rod and the second telescopic rod is mounted under the side not connect with hydraulic power column on hydraulic power plate
Side, the other end are equipped with the support of first brake piece；Third buffer spring is nested on third telescopic rod, third buffer spring one end
It is connected with hydraulic power plate, the other end is the same as the support connection of the second brake block；4th buffer spring is nested on the 4th telescopic rod, the
Four buffer spring one end are connected with hydraulic power plate, and the other end is the same as the support connection of the second brake block；First buffer spring is nested in
On first telescopic rod, first buffer spring one end is connected with hydraulic power plate, and the other end is supported with first brake piece and connected；Second
Buffer spring is nested on the second telescopic rod, and second buffer spring one end is connected with hydraulic power plate, the same first brake of the other end
Piece support connection；First brake piece is mounted in the support of first brake piece；Second brake block is mounted in the support of the second brake block；
Above-mentioned shaft one end is equipped with wheel fixed disc；Multiple wheel fixing grooves are uniformly provided on wheel fixed disc；Gear
Fixed the ring disk is mounted on shaft periphery；First lead key hole there are four uniformly being opened on the inner headed face of gear fixation the ring disk；Tooth
Notch there are four equably being opened on the periphery of the fixed the ring disk of wheel；There are four shafts for circumferential equably installation on the periphery of shaft
Positioning and guiding key；One end of shaft positioning and guiding key is connect with wheel fixed disc, and the other end passes through corresponding first lead key hole；
Four first gears are mounted on gear by four first axles and fix in four notch of counter offer；In each first axle symmetrically
There are two second gears for installation, and two second gears are located at first gear both sides, and first gear is connect with second gear；Second
Gear diameter is more than first gear diameter；First brake disc mechanism be mounted on shaft on, and with shaft positioning and guiding key and second
Gear matches；Second brake disc mechanism is mounted in shaft, and is matched with shaft positioning and guiding key and first gear；
Above-mentioned first brake disc mechanism includes first brake disk, first brake disk rack, return spring, rack fixed ring pedestal,
There is axis hole wherein on first brake disk, equably open that there are four the second lead key holes on the inner headed face of axis hole；Four the second lead keys
Hole shaft positioning and guiding key corresponding in shaft matches；Rack fixed ring pedestal is coaxial with first brake disk and mounted on the
In one brake disk；The interior circular diameter of rack fixed ring pedestal is equal with the outside diameter of return spring；Four first brake disks
The mounting means of rack is identical and is uniformly distributed；For first brake disk rack, one end is mounted on rack fixed ring pedestal, separately
One end is meshed with corresponding second gear；Return spring is nested in shaft, and rack fixed ring bottom is passed through in return spring one end
The inner headed face of seat is connect with first brake disk, and the other end is fixed the ring disk side with gear and connect；It wears shaft positioning and guiding key one end
Cross corresponding second lead key hole；First brake disk is matched with first brake piece；
Second brake disc mechanism includes barrel shape support, the second brake disc, the second brake disc rack, is wherein opened on barrel shape support bottom surface
There is axis hole；Third lead key hole there are four uniformly being opened on axle hole inner circle face；Barrel shape support is mounted in shaft；Shaft positioning and guiding key
One end passes through corresponding third lead key hole；Four the second brake disc rack mounting means are identical and are uniformly distributed；It stops for second
Hull rack, one end are mounted on barrel shape support bottom surface and in barrel shape support, and the other end is mutually nibbled with corresponding first gear
It closes；Second brake disc is mounted in barrel shape support；Second brake disc is matched with the second brake block.
2. the gradual dual brake piece brake system in a kind of unilateral side according to claim 1, it is characterised in that：It is above-mentioned to stretch when first
Contracting bar is isometric when being uncompressed with the second telescopic rod, and third telescopic rod is isometric when being uncompressed with the 4th telescopic rod, not
In the case of compressed, the length of the first telescopic rod and the second telescopic rod is more than the length of third telescopic rod and the 4th telescopic rod.
3. the gradual dual brake piece brake system in a kind of unilateral side according to claim 1, it is characterised in that：Above-mentioned hydraulic case peace
Hydraulic system on automobile.
4. the gradual dual brake piece brake system in a kind of unilateral side according to claim 1, it is characterised in that：Above-mentioned wheel passes through
Bolt is mounted in wheel fixing groove.
5. the gradual dual brake piece brake system in a kind of unilateral side according to claim 1, it is characterised in that：Above-mentioned first buffering
Spring, the second buffer spring, third buffer spring and the 4th buffer spring are compressed spring.
6. the gradual dual brake piece brake system in a kind of unilateral side according to claim 1, it is characterised in that：Above-mentioned first brake
Return spring in disc mechanism is compressed spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810455311.5A CN108622048A (en) | 2018-05-14 | 2018-05-14 | A kind of gradual dual brake piece brake system in unilateral side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810455311.5A CN108622048A (en) | 2018-05-14 | 2018-05-14 | A kind of gradual dual brake piece brake system in unilateral side |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108622048A true CN108622048A (en) | 2018-10-09 |
Family
ID=63693109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810455311.5A Withdrawn CN108622048A (en) | 2018-05-14 | 2018-05-14 | A kind of gradual dual brake piece brake system in unilateral side |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108622048A (en) |
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| CN109058325A (en) * | 2018-10-25 | 2018-12-21 | 项炳海 | A kind of Quick brake mechanism on automobile |
| CN109139744A (en) * | 2018-10-25 | 2019-01-04 | 项炳海 | A kind of braking mechanism on automobile |
| CN109703535A (en) * | 2018-12-04 | 2019-05-03 | 李泽朋 | A kind of last vehicle of train complemental brake system |
| CN110595874A (en) * | 2019-09-19 | 2019-12-20 | 益路恒丰衡水沥青科技有限公司 | Control system of road surface acceleration loading test vehicle |
| CN112524177A (en) * | 2020-11-30 | 2021-03-19 | 重庆工业职业技术学院 | Automobile emergency braking device |
| CN112727954A (en) * | 2020-12-29 | 2021-04-30 | 浙江工业大学之江学院 | Electromechanical braking device, equipment and system |
| CN112833120A (en) * | 2020-12-30 | 2021-05-25 | 重庆奥特比汽车制动***有限公司 | Ceramic brake pad structure and formula thereof |
| CN114285223A (en) * | 2021-12-30 | 2022-04-05 | 天一(河南)精密机电有限公司 | Servo motor brake equipment |
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| US20080289922A1 (en) * | 2005-12-14 | 2008-11-27 | Dirk Hofmann | Drum Brake |
| CN202301589U (en) * | 2011-10-10 | 2012-07-04 | 黄洁明 | Braking device of automobile |
| CN105587801A (en) * | 2016-03-28 | 2016-05-18 | 富阳鸿祥技术服务有限公司 | Nested double-brake-piece brake unit |
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| CN110821984B (en) * | 2018-10-25 | 2021-03-26 | 王茜 | Quick brake mechanism used on automobile |
| CN109139744A (en) * | 2018-10-25 | 2019-01-04 | 项炳海 | A kind of braking mechanism on automobile |
| CN110748583A (en) * | 2018-10-25 | 2020-02-04 | 项炳海 | Quick brake mechanism for automobile |
| CN110821984A (en) * | 2018-10-25 | 2020-02-21 | 项炳海 | Quick brake mechanism used on automobile |
| CN109058325A (en) * | 2018-10-25 | 2018-12-21 | 项炳海 | A kind of Quick brake mechanism on automobile |
| CN110748583B (en) * | 2018-10-25 | 2021-03-26 | 王茜 | Quick brake mechanism for automobile |
| CN109703535A (en) * | 2018-12-04 | 2019-05-03 | 李泽朋 | A kind of last vehicle of train complemental brake system |
| CN110595874A (en) * | 2019-09-19 | 2019-12-20 | 益路恒丰衡水沥青科技有限公司 | Control system of road surface acceleration loading test vehicle |
| CN112524177A (en) * | 2020-11-30 | 2021-03-19 | 重庆工业职业技术学院 | Automobile emergency braking device |
| CN112727954A (en) * | 2020-12-29 | 2021-04-30 | 浙江工业大学之江学院 | Electromechanical braking device, equipment and system |
| CN112833120A (en) * | 2020-12-30 | 2021-05-25 | 重庆奥特比汽车制动***有限公司 | Ceramic brake pad structure and formula thereof |
| CN114285223A (en) * | 2021-12-30 | 2022-04-05 | 天一(河南)精密机电有限公司 | Servo motor brake equipment |
| CN114285223B (en) * | 2021-12-30 | 2023-10-24 | 天一(河南)精密机电有限公司 | Servo motor brake device |
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| PB01 | Publication | ||
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Application publication date: 20181009 |