A kind of dual brake piece brake units based on frictional displacement
Art
The invention belongs to automobile brake technical field, more particularly to a kind of dual brake piece brake units based on frictional displacement.
Background technology
Automobile brake largely produces pressure using hydraulic drive brake block and brake disc at present, by frictional force to brake
Disk is braked.In braking procedure, disc surface all contacts with brake panel surface, when brake block because certain once brakes
Occur brake block heating rapidly wear, and brake block service life then time abrasion, that is, need to change immediately, it is no
Then influence whether traffic safety.In addition for brake block, the high brake block of performance and the low brake block price difference of performance
Larger, often everybody buys the brake block of medium-performance, both ensure that quality or has met price endurance.It is but medium after all
Brake block is not so good as the measured brake block of matter in performance by force in a flash, a kind of safety contradiction with Price Impact.
A kind of dual brake piece brake units based on frictional displacement of present invention design solve as above problem.
The content of the invention
To solve drawbacks described above of the prior art, it is single that the present invention discloses a kind of dual brake piece brake based on frictional displacement
Member, it is realized using following technical scheme.
A kind of dual brake piece brake units based on frictional displacement, it is characterised in that:It includes brake disc, first brake list
Member, the second brake units, rotating shaft, wherein brake disc are arranged on rotating shaft one end, first brake unit and the second brake units structure
It is identical and be symmetrically mounted on automobile chassis, and first brake unit and the second brake units are located at brake disc both sides.
Above-mentioned first brake unit includes fan-shaped brake support, power plate, hydraulic column, brake units connection shell, brake list
First hydraulic case, guide groove, loop bar groove, spring groove, loop bar, ladder type guide rail, wherein brake units connection shell are arranged on brake units
On hydraulic case and both internal cavities communicate;First brake unit is connected shell with the second brake units by respective brake units
It is connected with each other, is communicated in junction inner chamber;Two hydraulic columns are arranged on brake units hydraulic case side by side, and two hydraulic columns
One end is located at the brake units hydraulic case inside other end outside brake units hydraulic case;Power plate is arranged on two hydraulic columns
On;Guide groove is provided with power plate, loop bar groove is provided among guide groove;Ladder type guide rail, ladder type are installed on fan-shaped brake support
Guide rail is slidably matched with guide groove, and spring groove is provided among ladder type guide rail side, and loop bar is arranged in spring groove;Spring is nested in
On the outside of loop bar, spring and a loop bar part are respectively positioned in spring groove, and another part is higher by spring groove;It is higher by the loop bar of spring groove
Part is slidably matched with loop bar groove, and the height for being higher by the spring section of spring groove exceedes loop bar groove and is higher by the spring of spring groove
Part interferes with power plate;The circumferential lengths of fan-shaped brake support are 2.5 times of power plate circumferential lengths.
It is circumferential on above-mentioned brake disc to be uniformly provided with wheel fixing hole as the further improvement of this technology.
As the further improvement of this technology, first brake piece and the second brake are installed on above-mentioned fan-shaped brake support
Piece.First brake piece can be different from the material of the second brake block.
Relative to traditional automobile brake technology, first brake unit and the second brake units are single by braking in the present invention
Member connection shell connection, and be located in brake disc both sides, pass through the hydraulic column that hydraulic control is arranged on brake units hydraulic case
It is flexible.Guide groove is provided with power plate, ladder type guide rail is installed on fan-shaped brake support, fan-shaped brake support can pass through guide rail
Movement is slided in cooperation with guide groove on power plate, is provided with spring groove on ladder type guide rail, loop bar is provided with spring groove,
Spring is installed, when fan-shaped brake support is sliding on power plate, spring is higher by the part-structure of spring groove with moving on loop bar
Power plate is interfered, and spring will be compressed along loop bar;When brake starts, brake block does not encounter brake disc, sector brake also
Support keeps the side of fan-shaped brake support to be substantially flush with power plate side under spring action;When on fan-shaped brake support
Brake block when being contacted with brake disc, fan-shaped brake support occur under the frictional force of brake disc, the compression resistance force of spring with it is dynamic
Relative motion between power plate, motion occurs, and brake block can play certain braking action to brake disc simultaneously;With hydraulic column
Continue to extend, brake block continues to increase to the pressure of brake disc, the frictional force increase between brake block and brake disc, sector brake
It is supported on power plate and slides so that spring continues to compress, stop motion after spring force is identical with frictional force, to work as brake
After car terminates, fan-shaped brake support under the action of the spring, recovers original state.In addition, as braking strength increases, with brake
The brake block of disk contact is changed as fan-shaped brake support moves, so light stop from strong brake block used of stopping is different
's;When the custom that driver drives is relatively good, light brake of driving often, the simply first brake that brake block is often worn
Piece, the second brake pad wear is less, and when the time that brake block uses is longer, brake block used in light brake is because abrasion
And there is failure, and it is at this moment strong to stop and traffic safety be ensured, because brake block is part wears.At this moment braking mechanism
The failure of light brake can give the prompting of replacing brake block of driver one, but now braked used in the strong brake of braking mechanism
Piece has not expired.Present invention utilizes the light brake block stopped and worn in a flash by force is different so that people can be in light failure of stopping
When, replacing brake block can either be had recognized the need to, and can continues to drive safely using strong brake.Other brake block when mounted,
Gently the working face of brake block in a flash can install slightly more secondary brake block, and the working face of brake block can be installed in a flash by force
The higher brake block of quality, the security for improving vehicle braking is so done, while ensure that economy.
Brief description of the drawings
Fig. 1 is braking mechanism scheme of installation.
Fig. 2 is braking mechanism side view.
Fig. 3 is first brake cellular construction schematic diagram.
Fig. 4 is power plate structure schematic diagram.
Fig. 5 is power plate installation top view.
Fig. 6 is ladder type guide rail, loop bar scheme of installation.
Fig. 7 is fan-shaped brake support scheme of installation.
Label title in figure:1st, wheel fixing hole, 2, brake disc, 3, first brake unit, the 4, second brake units, 5, turn
Axle, 6, fan-shaped brake support, 7, power plate, 8, hydraulic column, 9, first brake piece, 10, brake units connection shell, 11, brake it is single
First hydraulic case, the 12, second brake block, 13, guide groove, 14, loop bar groove, 15, spring groove, 16, loop bar, 17, ladder type guide rail.
Embodiment
As shown in Figure 1, 2, it includes brake disc 2, first brake unit 3, the second brake units 4, rotating shaft 5, wherein braking
Disk 2 is arranged on the one end of rotating shaft 5, and first brake unit 3 is identical with the structure of the second brake units 4 and is symmetrically mounted at automobile
On chassis, and the brake units 4 of first brake unit 3 and second are located at the both sides of brake disc 2.
As shown in figure 3, above-mentioned first brake unit 3 includes fan-shaped brake support 6, power plate 7, hydraulic column 8, brake units
Shell 10, brake units hydraulic case 11, guide groove 13, loop bar groove 14, spring groove 15, loop bar 16, ladder type guide rail 17 are connected, wherein such as
Shown in Fig. 1, brake units connection shell 10 is arranged on brake units hydraulic case 11 and both internal cavities communicate;First brake list
Member 3 is connected shell 10 by respective brake units with the second brake units 4 and is connected with each other, and is communicated in junction inner chamber;Two liquid
Compression leg 8 is arranged on brake units hydraulic case 11 side by side, and two one end of hydraulic column 8 are located inside brake units hydraulic case 11
The other end is outside brake units hydraulic case 11;As shown in Figure 4,5, power plate 7 is arranged on two hydraulic columns 8;On power plate 7
Guide groove 13 is provided with, loop bar groove 14 is provided among guide groove 13;As shown in fig. 6, ladder type guide rail is installed on fan-shaped brake support 6
17, ladder type guide rail 17 is slidably matched with guide groove 13, and spring groove 15 is provided among the side of ladder type guide rail 17, and loop bar 16 is arranged on bullet
In spring groove 15;Spring is nested in the outside of loop bar 16, and spring and the part of loop bar 16 are respectively positioned in spring groove 15, and another part is high
Go out spring groove 15;As shown in fig. 7, being higher by the part of loop bar 16 of spring groove 15 and loop bar groove 14 is slidably matched, spring groove 15 is higher by
The height of spring section exceed loop bar groove 14 and be higher by the spring section of spring groove 15 and power plate 7 interferes;It is fan-shaped
The circumferential lengths of brake support 6 are 2.5 times of the circumferential lengths of power plate 7.
As shown in figure 1, circumferential on above-mentioned brake disc 2 be uniformly provided with wheel fixing hole 1.
The brake block 12 of first brake piece 9 and second is installed on above-mentioned fan-shaped brake support 6.
In summary, first brake unit 3 is connected shell 10 by brake units with the second brake units 4 and connected in the present invention
Connect, and be located in the both sides of brake disc 2, pass through the flexible of the hydraulic column 8 that hydraulic control is arranged on brake units hydraulic case 11.Such as
Shown in Fig. 4, guide groove 13 is provided with power plate 7, ladder type guide rail 17, the fan-shaped energy of brake support 6 are installed on fan-shaped brake support 6
Movement is enough slided on power plate 7 by the cooperation of guide rail and guide groove 13, spring groove 15 is provided with ladder type guide rail 17, in bullet
Loop bar 16 is installed in spring groove 15, spring is installed on loop bar 16, as shown in fig. 7, in fan-shaped brake support 6 on power plate 7
During slip, spring is higher by the part-structure of spring groove 15 and power plate 7 interferes, and spring will be compressed along loop bar 16;When
When brake starts, brake block does not encounter brake disc 2 also, and fan-shaped brake support 6 keeps fan-shaped brake support 6 under spring action
Side be substantially flush with the side of power plate 7;When the brake block on fan-shaped brake support 6 contacts with brake disc 2, sector brake
Relative motion between power plate 7 occurs under the frictional force of brake disc 2, the compression resistance force of spring for support 6, and it is same that motion occurs
When brake block certain braking action can be played to brake disc 2;As hydraulic column 8 continues to extend, pressure of the brake block to brake disc 2
Power continues to increase, and the frictional force increase between brake block and brake disc 2, fan-shaped brake support 6 is slided to cause on power plate 7
Spring continues to compress, stop motion after spring force is identical with frictional force, and after brake terminates, fan-shaped brake support 6 exists
Under spring effect, recover original state.In addition, as braking strength increases, the brake block contacted with brake disc 2 is with fan
Shape brake support 6 is moved and changed, so light stop from strong brake block used of stopping is different;When the custom that driver drives
When relatively good, light brake of driving often, what brake block was often worn is first brake piece 9, and the abrasion of the second brake block 12 is
Less, when the time that brake block uses is longer, there is failure because of abrasion in brake block used in light brake, at this moment strong to stop
And traffic safety can be ensured, because brake block is part wears.At this moment the failure of the light brake of braking mechanism can give
The prompting of one replacing brake block of driver, but now brake block used in the strong brake of braking mechanism has not expired.The present invention
It make use of the light brake block stopped and worn in a flash by force different so that people be able to can either recognize to need when gently stopping failure
Brake block is changed, and can continues to drive safely using strong brake.Other brake block when mounted, in the gently work of brake block in a flash
Face can install slightly more secondary brake block, and by force in a flash the working face of brake block can with the higher brake block of installation quality,
The security for improving vehicle braking is so done, while ensure that economy.