CN102537140A - Wedge-shaped self-power-increasing disc brake - Google Patents
Wedge-shaped self-power-increasing disc brake Download PDFInfo
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- CN102537140A CN102537140A CN2012100430867A CN201210043086A CN102537140A CN 102537140 A CN102537140 A CN 102537140A CN 2012100430867 A CN2012100430867 A CN 2012100430867A CN 201210043086 A CN201210043086 A CN 201210043086A CN 102537140 A CN102537140 A CN 102537140A
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Abstract
The invention discloses a wedge-shaped self-power-increasing disc brake which comprises a brake caliper body, a wedge-shaped brake block, friction linings, a fixed brake block, 4-6 rollers, a seal ring, a wheel cylinder piston, a wheel cylinder, two baffle plates and a brake caliper guide frame, wherein the upper end of the brake caliper body and an upper brake caliper opening in the brake caliper guide frame are assembled; the inner side surfaces of the brake caliper openings in the brake caliper body are connected with the 4-6 rollers in a contacted mode; the 4-6 rollers and the large right-angle side surface of the wedge-shaped brake block positioned below are connected in a contacted mode; the friction lining is pasted on the beveled edge surface of the wedge-shaped brake block; and the small right-angle side surface of the wedge-shaped brake block is connected with the extending end of the wheel cylinder piston; the seal ring is installed between the wheel cylinder piston and the wheel cylinder; the fixed brake block is fixed on a lower brake caliper opening in the brake caliper guide frame; the second friction lining is pasted on the fixed brake block; the two baffle plates are installed on two end surfaces of the brake caliper openings in the brake caliper body through a bolt; and inner end surfaces of the two baffle plates and two end surfaces of the wedge-shaped brake block are in clearance fit.
Description
Technical field
The present invention relates to a kind of braking device that is used on the automobile, or rather, the present invention relates to a kind of novel wedge shape self-energizing effort disk brake based on the conventional hydraulic actuating system.
Background technique
Break is to make automobile with suitable retardation Reduced Speed Now to safe speed or until parking in the braking system, or when descent run, makes automobile keep suitable stabilizing speed, or makes automobile stop at the parts of original position reliably.Break mainly is divided into drum brake and disk type braker on structure at present.The self energizing effort break all is a drum brake generally, and there is self-boosting type at present hardly in disk type braker.Owing to there is not the self energizing effort effect; Cause the Braking efficiency of disk type braker lower; The hydraulic brake that for this reason uses at present must be adorned in system and use booster; And when using the hydraulic actuating device for it motivator to be provided, the loine pressure that needs is very big, can worsen the working condition of hydraulic system.
The at present domestic design studies that proposes to have the wedge shape disk type braker of self energizing effort effect as yet.Company of external German Bosch once proposed the notion of electronic wedge shape disk type braker, and its uses motor rotational lead screw, the rotation of motor is become moving of nut, thereby the wedge-shaped blocks that promotes to be connected with nut pressed brake disc, produces braking force.In addition, German continent SIEMENS has also released similar electronics key-operated brake.Brake disc one side is opposed to be equipped with two motors; A slide block that has a plurality of sphenoid surface through the screw-nut body promotion laterally moves, and the friction facing outside is the sphenoid surface corresponding with the slide block sphenoid surface, and sunk part corresponding between two sphenoid surface has roller; When two sphenoid surface when laterally moving; Roller is rolled into two sphenoid surface high spots, promote friction facing to brake disc near, oppositely simultaneously promote the friction facing that caliper drives opposite side and clamp brake disc.Key-operated brake clamps brake disc can realize the self-boosting type braking, and control accuracy is high.Yet; The complicacy of structure, be the problem that this type of electric mechanical braking need be considered to the dynamic response property problem of high request, higher cost and motor of control; Motor is directly installed on the break in addition, and working environment also need be paid attention to when engineering design with the motor integrity problem that vibration causes.
Summary of the invention
Technical problem to be solved by this invention is to have overcome the problem that existing technology exists, and a kind of novel wedge shape self-energizing effort disk brake is provided.
For solving the problems of the technologies described above, the present invention adopts following technological scheme to realize: described wedge shape self-energizing effort disk brake comprises braking clamp body, wedge shape brake slipper, friction facing that 2 structures are identical, fixedly brake slipper, 4～6 roller, seal ring, wheelcylinder piston, wheel cylinder, 2 baffle plate and brake calipers leading trucks that structure is identical that structure is identical.
The braking jaw of going up in the upper end of braking clamp body and the brake calipers leading truck is equipped with; The inner side surface of the braking jaw in the braking clamp body connects with 4～6 identical roller contacts of structure; Roller that 4～6 structures are identical and the big right angle side face contact that is in the wedge shape brake slipper of below are connected; Be bonded with first friction facing on the hypotenuse face of wedge shape brake slipper; The little right angle side face of wedge shape brake slipper through the three-jaw spring clip be fixed in braking clamp body in the wheel cylinder of braking jaw left end in the external part of wheelcylinder piston be connected; The little right angle side face of wedge shape brake slipper is vertical with the central axis of wheel cylinder; Seal ring is installed between wheelcylinder piston and the wheel cylinder, and fixedly brake slipper is fixed on the inner side surface of the following braking jaw in the brake calipers leading truck, the bottom surface of second friction facing and fixedly the brake slipper upper surface is bonding; 2 identical baffle plates of structure are installed on the both ends of the surface of the braking jaw in the braking clamp body through bolt; The interior edge face and the wedge shape brake slipper both ends of the surface of the baffle plate that 2 structures are identical are Spielpassung, and the cross section on the identical baffle plate interior edge face of 2 structures is that the guiding groove of rectangle and guide rail that the cross section on the wedge shape brake slipper both ends of the surface is rectangle are equipped for being slidingly connected, and the two ends of the roller that the identical baffle plate of 2 structures is identical with 4～6 structures are Spielpassung.
Brake calipers leading truck described in the technological scheme is a U font structural member of being made up of last braking jaw and following braking jaw; The inner side surface of the following braking jaw of brake calipers leading truck is a horizontal plane; The periphery of braking the jaw inner side surface down is provided with the long strip boss that cross section is a rectangle; Adjacent two long strip boss break off, the exterior edge face of left side long strip boss, front end long strip boss and right side long strip boss in 4 long strip boss and brake calipers leading truck down left side, front-end face and the right side of braking jaw in same plane.The inner side surface of going up the braking jaw of brake calipers leading truck is a horizontal plane; The center of braking jaw is provided with rectangular through-hole on the brake calipers leading truck; The left end and the right-hand member of braking jaw are provided with left end lug and right-hand member lug on the brake calipers leading truck, and the right-hand member of the left end of left end lug and right-hand member lug is provided with the guide finger through hole that guide finger is installed along Z-direction.The front end and back end of braking jaw inner side surface is provided with front end long strip convex platform and the rear end long strip convex platform that cross section is a rectangle along directions X on the brake calipers leading truck, is respectively arranged with the long strip groove that cross section is a rectangle on the inner side surface of front end long strip convex platform and rear end long strip convex platform.The right-hand member of braking jaw internal surface is provided with right-hand member long strip convex platform on the brake calipers leading truck; Break off between front end long strip convex platform, right-hand member long strip convex platform and the rear end long strip convex platform, the front-end face of braking jaw and right side are in same plane on the exterior edge face of front end long strip convex platform and right-hand member long strip convex platform and the brake calipers leading truck.The left side of braking jaw is provided with tapped hole on the brake calipers leading truck; Braking clamp body described in the technological scheme is made up of braking jaw and wheel cylinder.The top end of braking clamp body is the horizontal plane of a rectangle; The upper end of the wheel cylinder left side in the braking clamp body is provided with a plane that is parallel to the YOZ plane; It is the tapered plane of certain value with horizontal plane angle that the inner side surface of the braking jaw in the braking clamp body is one, and the angle of wedge during the size of this angle and wedge shape braking are fast equates.The left end of the braking jaw in the braking clamp body is provided with a wheel cylinder; The oblique setting of wheel cylinder and with the braking jaw be cast into one; The angle of inclination of wheel cylinder is identical with the angle of wedge of wedge shape brake slipper; And the wheel cylinder rotational axis is parallel with the inner side surface of braking jaw, and the right side of wheel cylinder is vertical with the inner side surface of braking jaw, and the inwall of wheel cylinder is provided with the seal groove that seal ring is installed; Go up that the braking jaw is equipped to be meant in the upper end of the braking clamp body described in the technological scheme and the brake calipers leading truck: pack on brake calipers leading truck front end long strip convex platform, right-hand member long strip convex platform, the rear end long strip convex platform on the braking jaw and adopt screw to be installed between the block of braking on the brake calipers leading truck on the jaw left side of the upper end of braking clamp body.The front end long strip groove that is provided with on the inner side surface of the front end long strip convex platform of braking jaw and rear end long strip convex platform on the brake calipers leading truck matches to be combined into front end long strip boss on rear end long strip groove and the braking clamp body and rear end long strip boss and is slidingly connected; In the braking clamp body with the upper end of the parallel plane bi-side of XOZ and brake calipers leading truck on the front end long strip convex platform of braking jaw contact with the inner side surface of rear end long strip convex platform and be connected; And in the braking clamp body with the parallel plane bi-side of YOZ with adopt the inner side surface of the right side long strip convex platform of braking jaw on right side that screw is installed in the block (19) on the left side of braking jaw on the brake calipers leading truck and the brake calipers leading truck not contact, the upper-end surface of braking inner side surface and the braking clamp body of jaw on the brake calipers leading truck contacts and is slidingly connected; Wedge shape brake slipper described in the technological scheme mainly by hypotenuse face, big right angle side face, little right angle side face with hypotenuse face, the hollow cylinder that surrounded of right angle side face, left and right sides end face that little right angle side face is vertical greatly.Angle between hypotenuse face and the big right angle side face is called as the angle of wedge of wedge shape brake slipper; The both ends of the surface of wedge shape brake slipper are provided with the outstanding guide rail that cross section is a rectangle, and cross section is that the big right angle side face of vertical symmetry plane and wedge shape brake slipper of outstanding guide rail of rectangle is parallel; Two baffle plates described in the technological scheme are the identical rectangular plate class formation spare of structure; The upper end of two baffle plates is evenly equipped with the through hole of construction bolt; The inner side surface of two baffle plate lower ends be provided with wedge shape brake slipper both ends of the surface on the guide rail of rectangular cross section be the rectangle guiding groove that is slidingly connected; Vertical symmetry plane of rectangle guiding groove and vertical symmetry plane of baffle plate are parallel; Two baffle plates are provided with the circular shaft hole that roller is installed, and the axis of symmetry that the circular shaft hole of roller is installed is parallel to each other and is in the same plane, and it is parallel and be in the top of rectangle guiding groove that vertical symmetry plane of the residing plane of the axis of symmetry and rectangle guiding groove in circular shaft hole of roller is installed.
Compared with prior art the invention has the beneficial effects as follows:
1. wedge shape self-energizing effort disk brake of the present invention utilizes wedge effect, makes this break have the self energizing effort effect, can increase the Braking efficiency of disk type braker.
2. wedge shape self-energizing effort disk brake of the present invention can be adjusted the size of self energizing effort effect, can reduce the loine pressure of hydraulic actuating device, optimizes the hydraulic work system situation.
3. consult Fig. 5; Wedge shape self-energizing effort disk brake of the present invention can reduce hydraulic system pipeline pressure; Trample the required pedal force of brake petal thereby reduce the driver, even can save servomechanism installations such as vacuum booster, thereby simplified brake system structure; More guarantee the reliability of braking system work when engine misses, increased the Security of automobile.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described:
Fig. 1 is the sectional drawing on wedge shape self-energizing effort disk brake of the present invention and the brake disc assembly relation plan view;
Fig. 2 is the whole-cutaway view on wedge shape self-energizing effort disk brake of the present invention and the brake disc assembly relation right elevation;
Fig. 3 is the whole-cutaway view on the annexation plan view between brake calipers leading truck and the brake-caliper support in the wedge shape self-energizing effort disk brake of the present invention;
Fig. 4 is the axonometric projection graph that wedge shape self-energizing effort disk brake structure of the present invention is formed;
The schematic block diagram that Fig. 5 arranges on four wheels and is connected with brake master cylinder through hydraulic pipe line for wedge shape self-energizing effort disk brake of the present invention;
Among the figure: 1. braking clamp body, 2. wedge shape brake slipper, 3. friction facing, 4. brake disc, 5. fixing brake slipper; 6. roller, 7. seal ring, 8. wheelcylinder piston, 9. wheel cylinder, 10. guide finger; 11. baffle plate, 12. brake-caliper supports, 13. brake calipers leading trucks, 14. wheels, 15. wedge shape self-energizing effort disk brakes; 16. brake petal, 17. brake master cylinders, 18. hydraulic pipe lines, 19. blocks, 20. three-jaw spring clips.
Embodiment
Below in conjunction with accompanying drawing the present invention is explained in detail:
Consult Fig. 1, the invention provides a kind of wedge shape self-energizing effort disk brake based on the unidirectional self energizing effort effect of having of conventional hydraulic actuating system.Described wedge shape self-energizing effort disk brake comprises braking clamp body 1,2,2 friction facings that structure is identical 3 of wedge shape brake slipper, fixedly 5,4～6 rollers that structure is identical 6 of brake slipper, seal ring 7, wheelcylinder piston 8,9,2 guide fingers that structure is identical of wheel cylinder 10,2 baffle plates that structure is identical 11, brake-caliper support 12, brake calipers leading truck 13, block 19 and three-jaw spring clips 20.Arrow shown in the figure is the sense of rotation of automobile brake disc 4 when moving ahead.
Described wedge shape self-energizing effort disk brake is on the basis of original disc brake with floating caliper; The traditional braking caliper is decomposed into the braking clamp body 1 and brake calipers leading truck 13 of the horizontal slip each other of rectangle groove cooperation; And keep original brake- caliper support 12 and 2 guide fingers 10; The plate shaped brake slipper that brake disc 4 one sides are traditional replaces with wedge shape brake slipper 2, and wheel cylinder 9 transformed along wheel cylinder 9 (rotational axis) the direction cloth postpone vertical with (angle of wedge is pairing) little right angle side face of wedge shape brake slipper 2 forms.
Consult Fig. 1, Fig. 2 and Fig. 4; The structural member that described brake calipers leading truck 13 is U fonts brake calipers leading truck 13 in other words is the structural members by last braking jaw and time U font that the braking jaw is formed; Its working state is that opening points to brake disc 4, and promptly the inner side surface of going up braking jaw and following braking jaw of brake calipers leading truck 13 is in the both sides up and down of brake disc 4.The inner side surface of the following braking jaw of brake calipers leading truck 13 is a horizontal plane; The periphery of braking the jaw inner side surface down is provided with the long strip boss that cross section is a rectangle; Adjacent two long strip boss are not to be connected to be disconnection, conveniently dismantle fixedly brake slipper 5 in indentation, there with instrument.Wherein left side, front-end face and the right side of the exterior edge face of left side long strip boss, front end long strip boss and right side long strip boss and 13 times brakings of brake calipers leading truck jaw are in same plane, and the long strip boss of following braking jaw inner side surface periphery is to being placed on 5 position-limiting actions of fixedly brake slipper between them.Friction facing 3 is integral with the resin binder strong bond with the fixing upper surface of brake slipper 5, together changes during replacing.Friction facing 3 all is that cross section is the fan-shaped slab construction part of rectangle with fixing brake slipper 5, and friction facing 3 is asbestos-free organic-type friction materials.The inner side surface of going up the braking jaw of brake calipers leading truck 13 is a horizontal plane, and the center of braking jaw is provided with rectangular through-hole on the brake calipers leading truck 13, is convenient to heat radiation and weight reduction.The left end and the right-hand member of braking jaw are provided with left end lug and right-hand member lug on the brake calipers leading truck 13; The right-hand member of the left end of left end lug and right-hand member lug is provided with the guide finger through hole that guide finger 10 is installed along Z-direction; The lower end and the brake-caliper support 12 of guide finger 10 that the upper end is set with the middle-end band dirt-proof boot of brake calipers leading truck 13 is threaded, and brake calipers leading truck 13 can slide up and down connection along the axis of guide finger 10.The front end and back end (along directions X) of braking jaw inner side surface is provided with front end long strip convex platform and the rear end long strip convex platform that cross section is a rectangle on the brake calipers leading truck 13; The inner side surface of front end long strip convex platform and rear end long strip convex platform is provided with the long strip groove that cross section is a rectangle, and above-mentioned two long strip grooves match with the long strip guide rail that the upper end (along directions X) of braking clamp body 1 front/rear end is provided with.The leading role of support and level (promptly along directions X) is played in this kind cooperation.The cross section of above-mentioned cooperation is to leave the gap between the top end of bottom surface and the long strip guide rail that cross section is rectangle of long strip groove of rectangle in addition, in case cooperate tension generation braking clamp body 1 stuck situation on brake calipers leading truck 13.To be provided with cross section be that the front end long strip convex platform of the long strip groove of rectangle contacts with the parallel plane front/rear end of XOZ with braking clamp body 1 top with the inner side surface of rear end long strip convex platform in braking jaw inner side surface front end and back end (along directions X) on the brake calipers leading truck 13 in addition, in order to limit braking clamp body 1 along Y direction and the 13 generation relative movement of brake calipers leading truck.Mill out on the upper left end face top of braking clamp body 1 in addition one be parallel to the YOZ plane little rectangle plane, simultaneously on the braking jaw left end face on the brake calipers leading truck 13 with two screw on short transverse (along Z axle negative direction) protrude from the block 19 of braking the jaw internal surface on the brake calipers leading truck 13.This block 19 aligns mutually with the parallel plane little rectangle plane of YOZ with braking clamp body 1 top but does not contact, and both gaps should guarantee after friction facing 3 wearing and tearing both contacts not to take place yet.The right-hand member of braking jaw internal surface is provided with right-hand member long strip convex platform on brake calipers leading truck 13 in addition; Right-hand member long strip convex platform inner side surface contacts with the right side parallel with YOZ, braking clamp body 1 top, level (along the directions X) motion of restriction braking clamp body 1.Adjacent two long strip convex platforms break off in front end long strip convex platform, right-hand member long strip convex platform and the rear end long strip convex platform, and the front-end face of braking jaw and right side are in same plane on the exterior edge face of front end long strip convex platform and right-hand member long strip convex platform and the brake calipers leading truck 13.The left side of braking jaw is provided with the tapped hole that is used to install block 19 on the brake calipers leading truck 13.The long strip boss on the block 19 of braking jaw left end and right side only plays the effect of restriction braking clamp body 1 largest motion position on the brake calipers leading truck 13, in case braking clamp body 1 breaks away from break in the automobile running.Above-mentioned design is that the horizontal componental movement of 10 pairs of braking clamp bodies 1 of break guide finger when eliminating braking produces interference effect, thereby influences floating of braking clamp body 1, thereby influences braking effect.
Described braking clamp body 1 is made up of braking jaw and wheel cylinder 9.Top end in the braking clamp body 1 is the horizontal plane of a rectangle; The upper end of wheel cylinder 9 left sides in the braking clamp body 1 is provided with a plane that is parallel to the installation block 19 on YOZ plane; It is the tapered plane of certain value with horizontal plane angle that the inner side surface of the braking jaw in the braking clamp body 1 is one, and the angle that the size of this angle and wedge shape are braked hypotenuse face in fast 2 and big right angle side face is that the angle of wedge equates.The big right angle side face of the inner side surface of the braking jaw in the braking clamp body 1 and wedge shape brake slipper 2 is equipped, and 4-6 roller 6 of middle installation carries out anti-attrition.Assemble later wedge shape and brake fast 2 hypotenuse face and be in the horizontal plane, with the parallel sided of brake disc 4, also we can say, the inner side surface of the braking jaw in the braking clamp body 1 is a tapered plane that the big right angle side face with wedge shape brake slipper 2 parallels.The left end of the braking jaw in the braking clamp body 1 is provided with a wheel cylinder 9; Wheel cylinder 9 oblique layouts and with the braking jaw be cast into one; The angle of inclination of wheel cylinder 9 (rotational axis) is identical with the angle of wedge of wedge shape brake slipper 2, and in other words, wheel cylinder 9 rotational axis are parallel with the inner side surface of braking jaw.The profile of wheel cylinder 9 is cuboids, and the inner side surface of the right side of wheel cylinder 9 and braking jaw is vertical to be formed a placement wedge shape and brake fast 2 right angle type space, and it is parallel that promptly the right side of wheel cylinder 9 and wedge shape are braked fast 2 little right angle side face.The inwall of wheel cylinder 9 is provided with the seal groove that seal ring 7 is installed, and wheelcylinder piston 8 is installed in the wheel cylinder 9, and seal ring 7 plays the effect of sealing.The front-end face of the upper end of braking clamp body 1 and ear end face upper edge directions X are respectively arranged with front end long strip boss and the rear end long strip boss that outstanding cross section is a rectangle; The front end long strip convex platform of braking jaw matches with rear end long strip groove with the front end long strip groove of the inner side surface upper edge directions X setting of rear end long strip convex platform on front end long strip boss and rear end long strip boss and the brake calipers leading truck 13, and realization braking clamp body 1 is along the sliding contact of directions X.
Described wedge shape brake slipper 2 is tri-prismoids that a cross section is approximately right-angled triangle, and for reducing overall weight, this wedge shape brake slipper 2 is hollow.In other words; Wedge shape brake slipper 2 mainly by hypotenuse face, big right angle side face, little right angle side face with hypotenuse face, right angle side face, front and back (the in other words) hollow cylinder that certain wall thickness is arranged that end face surrounded that little right angle side face is vertical greatly; To reduce inertia, the angle between hypotenuse face and the big right angle side face is called as the angle of wedge (drift angle) of wedge shape brake slipper 2.The cross section that is provided with on the end face of the front and back of wedge shape brake slipper 2 (in other words) is the outstanding guide rail of rectangle, and cross section is that vertical symmetry plane of outstanding guide rail of rectangle is with the right angle side face is parallel greatly.The hypotenuse face of wedge shape brake slipper 2 is with resin binder strong bond friction facing 3, friction facing 3 when braking and brake disc 4 bottom face in contact and brake disc 4 on plane parallel.The riveted joint of the little right angle side face of wedge shape brake slipper center has a Metal Flake three-jaw spring clip 20, on wheelcylinder piston 8 port inner walls, has cut annular groove one.The projection of three-jaw spring clip 20 leans on tinsel elasticity to be stuck in the annular groove of wheelcylinder piston 8 inwalls.Thereby three-jaw spring clip 20 is with the action that links together of wheelcylinder piston 8 and Wedge-type brake piece 2.Wheel cylinder 9 oblique layouts also are cast into one with braking clamp body 1.The central axis of the wheelcylinder piston 8 in the wheel cylinder 9 and the wheel cylinder 9 of packing into is perpendicular to the little right angle side face of wedge shape brake slipper 2, and in other words, the central axis of the wheelcylinder piston 8 in the wheel cylinder 9 and the wheel cylinder 9 of packing into and the big right angle side face of wedge shape brake slipper 2 are parallel.Between wheel cylinder 9 inwalls and the wheelcylinder piston 8 seal ring 7 is installed, plays the effect of sealing and adjusting brake clearance.Oil inlet and outlet on the wheel cylinder 9 is connected with the oil inlet and outlet of brake master cylinder 17 through hydraulic pipe line 18.The tapered plane that the inboard inclined-plane of braking jaw should parallel with the big right angle side face of wedge shape brake slipper 2 in the braking clamp body 1.The inboard tapered plane of going up the braking jaw in the braking clamp body 1 should have the parallelism of certain precision with the big right angle side mask of wedge shape brake slipper 2; With the hypotenuse face of assurance wedge shape brake slipper 2 and the last plane parallel of brake disc 4; Make wedge shape brake slipper 2 when getting into damped condition, the friction facing 3 on the wedge shape brake slipper 2 hypotenuse faces of participating in braking can contact with brake disc 4 fully, in braking process; The hypotenuse face and the pressure distribution on the friction facing 3 of whole wedge shape brake slipper 2 are even, in order to avoid eccentric wear occurs.Wedge shape brake slipper 2 is integral with friction facing 3 usefulness resin binder strong bond, together changes after the wearing and tearing.The identical baffle plate 11 (consulting Fig. 2) of structure that the bilateral symmetry of wedge shape brake slipper 2 and braking clamp body 1 is provided with, baffle plate 11 is connected with braking clamp body 1 employing bolt.Two baffle plates 11 are the identical rectangular plate class formation spare of structure; The upper end of two baffle plates 11 is evenly equipped with the through hole of construction bolt; On the inner (inboard) face of two baffle plates, 11 lower ends the rectangle guiding groove is set; Vertical symmetry plane of rectangle guiding groove is parallel with vertical symmetry plane of rectangle baffle plate 11, and after promptly two baffle plates 11 were installed, the direction of rectangle guiding groove was parallel to the big right angle face of wedge shape brake slipper 2; With the cross section that is provided with on wedge shape brake slipper 2 both ends of the surface be that the outstanding guide rail of rectangle is for being slidingly connected; Rectangle guiding groove on two baffle plates, 11 interior edge faces becomes the dragging track of wedge shape brake slipper 2, and the interior edge face of two baffle plates 11 and wedge shape brake slipper 2 both ends of the surface are Spielpassung, and the baffle plate 11 restriction wedge shape brake slipper 2 of both sides are along moving freely perpendicular to baffle plate 11 directions.The roller 6 that row's (4～6) axis that structure is identical of packing between the big right angle side face of the inner side surface of braking clamp body 1 and wedge shape brake slipper 2 is parallel to each other; Promptly the inner side surface of the braking jaw in the roller 6 that is parallel to each other of 4～6 identical axis of structure and the braking clamp body 1 is connected with the big right angle side face contact of wedge shape brake slipper 2; Two baffle plates 11 are provided with the identical circular shaft hole of 4～6 structures that roller 6 is installed; The axis of symmetry in the circular shaft hole that 4～6 structures of installation roller 6 are identical is parallel to each other and is in the same plane; The circular shaft interporal lacuna that the roller bearing at roller 6 two ends that 4～6 structures are identical is identical with 4～6 structures on two lateral retaining plates 11 cooperates, and it is parallel and be in the top of rectangle guiding groove that vertical symmetry plane of the residing plane of symmetry axis and rectangle guiding groove in the identical circular shaft hole of 4～6 structures of roller 6 is installed on the baffle plate 11.Owing to be provided with the roller 6 that 4～6 identical axis of structure are parallel to each other, make original sliding friction become rolling friction, greatly reduce friction factor, help the entering of wedge shape brake slipper 2 and withdraw from, prevent self-locking.
Consult Fig. 1; The upper end of braking clamp body 1 pack on the brake calipers leading truck 13 the front end long strip convex platform on the braking jaw, right-hand member long strip convex platform, rear end long strip convex platform and adopt screw to be installed between the block 19 on the left side of braking jaw on the brake calipers leading truck 13; Wherein: in the braking clamp body 1 with the upper end of the parallel plane bi-side of XOZ and brake calipers leading truck 13 on the front end long strip convex platform of braking jaw contact with the inner side surface of rear end long strip convex platform and be connected; And in the braking clamp body 1 with the parallel plane bi-side of YOZ with adopt the inner side surface of the right side long strip convex platform of braking jaw on right side that screw is installed in the block 19 on the left side of braking jaw on the brake calipers leading truck 13 and the brake calipers leading truck 13 not contact, the upper-end surface of braking inboard rectangle anchor ring and the braking clamp body 1 of jaw on the brake calipers leading truck 13 contacts along rectangle groove and is slidingly connected.The front end long strip groove that is provided with on the inner side surface of the front end long strip convex platform of braking jaw and rear end long strip convex platform on the brake calipers leading truck 13 matches to be combined into front end long strip boss on rear end long strip groove and the braking clamp body 1 and rear end long strip boss and is slidingly connected; Rollers 6 contacts that the inner side surface of the braking jaw in the braking clamp body 1 and 4～6 structures are identical connect, and the roller 6 that 4～6 structures are identical and the big right angle side face of the wedge shape brake slipper 2 that is in the below contact and be connected.Be fixed with first friction facing 3 on the hypotenuse face of wedge shape brake slipper 2; The little right angle side face of wedge shape brake slipper 2 be fixed in braking clamp body 1 in the wheel cylinder 9 of braking jaw left end in the external part of wheelcylinder piston 8 be fixedly connected, the little right angle side face of wedge shape brake slipper 2 is vertical with the central axis of wheel cylinder 9.Seal ring 7 is installed in the seal groove that promptly is installed between wheelcylinder piston 8 and the wheel cylinder 9 on wheel cylinder 9 inwalls, being slidingly connected for Spielpassung between wheelcylinder piston 8 and the wheel cylinder 9.Fixedly brake slipper 5 is fixed on the inner side surface of the following braking jaw in the brake calipers leading truck 13; The bottom surface of another friction facing 3 and fixedly brake slipper 5 upper surfaces use the resin binder strong bond; 2 identical baffle plates 11 of structure are installed on the both ends of the surface of braking jaw in the braking clamp body 1 through bolt; The interior edge face of the baffle plate 11 that 2 structures are identical and front and back (the in other words) end face of wedge shape brake slipper 2 are Spielpassung; Cross section on the rectangle guiding groove on identical baffle plate 11 interior edge faces of 2 structures and front and back (the in other words) end face of wedge shape brake slipper 2 is that the outstanding guide rail matched together of rectangle is for being slidingly connected; The roller bearing matched together at roller 6 two ends that the identical circular hole of 4～6 structures on the identical baffle plate 11 of 2 structures is identical with 4～6 structures is a Spielpassung; The identical circular shaft hole restriction roller 6 of 4～6 structures on the identical baffle plate 11 of 2 structures can only be around the rotational axis rotation of roller 6 along the translation of wedge shape brake slipper 2 big right angle side faces.
The working principle of wedge shape self-energizing effort disk brake:
Consult Fig. 3 and Fig. 5; The wedge shape self-energizing effort disk brake 15 that described quadruplet structure is identical is fixed on the knuckle of four wheels 14 through brake-caliper support 12; Each brake-caliper support 12 adopts screw thread to be fixedly connected with the lower end of guide finger 10; The upper end that each wedge shape self-energizing effort disk brake 15 is sleeved on guide finger 10 through the guide finger through hole on the brake calipers leading truck 13 wherein is for being slidingly connected, and promptly the brake calipers leading truck 13 in the wedge shape self-energizing effort disk brake 15 can endwisely slip with respect to brake-caliper support 12 (up and down) along guide finger 10.During braking; The driver tramples brake petal 16; Pressure oil in the brake master cylinder 17 is through in the wheel cylinder 9 in the hydraulic pipe line 18 entering wedge shape self-energizing effort disk brakes 15; Wheelcylinder piston 8 promotes inner side surface raceway that roller 6 be housed the to the right oblique slip of wedge shape brake slipper 2 along braking clamp body 1 under the effect of hydraulic coupling.When the friction facing 3 of wedge shape brake slipper 2 bottoms presses against brake disc 4; The reaction force that brake disc 4 produces will pass to braking clamp body 1 through wedge shape brake slipper 2; Make braking clamp body 1 along retreating perpendicular to the little right angle side in-plane of wedge shape brake slipper 2; Because the annular inboard face of braking jaw is a plane contact on braking clamp body 1 and the brake calipers leading truck 13; Brake calipers leading truck 13 upwards slide along guide finger 10, and braking clamp body 1 moves with respect to brake calipers leading truck 13 occurred levels under the effect of braking clamp body 1.Meanwhile; The fixedly brake slipper of braking down on the jaw in the brake calipers leading truck 13 5 just can be near the bottom surface of brake disc 4 with friction facing 3; Finally; The friction facing 3 on the fixedly brake slipper 5 under in the brake calipers leading truck 13 on the braking jaw and the friction facing 3 of wedge shape brake slipper 2 bottoms compress brake disc 4 together, produce and the opposite braking moment of brake disc 4 moving direction, impel automobile brake.
Owing to adopt wedge-shaped structure; And wedge shape brake slipper approach axis is identical with brake disc 4 rotation tangential direction (automobile direction of advance); According to wedge effect, the equivalent braking effectiveness factor of this kind wedge shape self-energizing effort disk brake will greatly increase, thereby reach the purpose of self energizing effort.During back of automobile, this key-operated brake does not have reinforcement effect, and travelling speed is low during still owing to back of automobile, need not too big severity of braking, is acceptable and safety so do not have reinforcement this moment.
Claims (6)
1. wedge shape self-energizing effort disk brake; It is characterized in that described wedge shape self-energizing effort disk brake (14) comprises braking clamp body (1), wedge shape brake slipper (2), friction facing (3) that 2 structures are identical, fixedly brake slipper (5), 4～6 roller (6), seal ring (7), wheelcylinder piston (8), wheel cylinder (9), 2 baffle plate (11), brake calipers leading trucks (13) and three-jaw spring clips (20) that structure is identical that structure is identical;
The braking jaw of going up in the upper end of braking clamp body (1) and the brake calipers leading truck (13) is equipped with; The inner side surface of the braking jaw in the braking clamp body (1) connects with 4～6 identical roller (6) contacts of structure; Roller (6) that 4～6 structures are identical and the big right angle side face contact that is in the wedge shape brake slipper (2) of below are connected; Be bonded with first friction facing (3) on the hypotenuse face of wedge shape brake slipper (2); The little right angle side face of wedge shape brake slipper (2) through three-jaw spring clip (20) be fixed in braking clamp body (1) in the wheel cylinder (9) of braking jaw left end in the external part of wheelcylinder piston (8) be connected; The little right angle side face of wedge shape brake slipper (2) is vertical with the central axis of wheel cylinder (9); Seal ring (7) is installed between wheelcylinder piston (8) and the wheel cylinder (9); Fixedly brake slipper (5) is fixed on the inner side surface of the following braking jaw in the brake calipers leading truck (13); The bottom surface of second friction facing (3) and fixedly brake slipper (5) upper surface is bonding, 2 identical baffle plates (11) of structure are installed in through bolt on the both ends of the surface of the braking jaw in the braking clamp body (1), and the interior edge face and wedge shape brake slipper (2) both ends of the surface of the baffle plate (11) that 2 structures are identical are Spielpassung; Cross section on identical baffle plate (11) interior edge face of 2 structures is that the guiding groove of rectangle and guide rail that the cross section on wedge shape brake slipper (2) both ends of the surface is rectangle are equipped for being slidingly connected, and the two ends of the roller (6) that the identical baffle plate (11) of 2 structures is identical with 4～6 structures are Spielpassung.
2. according to the described wedge shape self-energizing effort disk brake of claim 1; It is characterized in that; Described brake calipers leading truck (13) is a U font structural member of being made up of last braking jaw and following braking jaw; The inner side surface of the following braking jaw of brake calipers leading truck (13) is a horizontal plane; The periphery of braking the jaw inner side surface down is provided with the long strip boss that cross section is a rectangle, and adjacent two long strip boss break off, the exterior edge face of left side long strip boss, front end long strip boss and right side long strip boss in 4 long strip boss and brake calipers leading truck (13) down left side, front-end face and the right side of braking jaw in same plane; The inner side surface of going up the braking jaw of brake calipers leading truck (13) is a horizontal plane; The center that brake calipers leading truck (13) is gone up the braking jaw is provided with rectangular through-hole; Left end and right-hand member that brake calipers leading truck (13) is gone up the braking jaw are provided with left end lug and right-hand member lug; The right-hand member of the left end of left end lug and right-hand member lug is provided with the guide finger through hole that guide finger (10) is installed along Z-direction; The front end and back end that brake calipers leading truck (13) is gone up braking jaw inner side surface is provided with front end long strip convex platform and the rear end long strip convex platform that cross section is a rectangle along directions X; Being respectively arranged with cross section on the inner side surface of front end long strip convex platform and rear end long strip convex platform is the long strip groove of rectangle; The right-hand member that brake calipers leading truck (13) is gone up braking jaw internal surface is provided with right-hand member long strip convex platform; Adjacent two long strip convex platforms break off in front end long strip convex platform, right-hand member long strip convex platform and the rear end long strip convex platform; The front-end face of the last braking of the exterior edge face of front end long strip convex platform and right-hand member long strip convex platform and brake calipers leading truck (13) jaw and right side are in same plane, and the left side that brake calipers leading truck (13) is gone up the braking jaw is provided with tapped hole.
3. according to the described wedge shape self-energizing effort disk brake of claim 1; It is characterized in that; Described braking clamp body (1) is made up of braking jaw and wheel cylinder (9), and the top end of braking clamp body (1) is the horizontal plane of a rectangle, and the upper end of wheel cylinder (9) left side in the braking clamp body (1) is provided with a plane that is parallel to the YOZ plane; It is the tapered plane of certain value with horizontal plane angle that the inner side surface of the braking jaw in the braking clamp body (1) is one; The angle of wedge in the size of this angle and the wedge shape braking fast (2) equates that the left end of the braking jaw in the braking clamp body (1) is provided with a wheel cylinder (9), and the oblique setting of wheel cylinder (9) also is cast into one with the braking jaw; The angle of inclination of wheel cylinder (9) is identical with the angle of wedge of wedge shape brake slipper (2); And wheel cylinder (9) rotational axis is parallel with the inner side surface of braking jaw, and the right side of wheel cylinder (9) is vertical with the inner side surface of braking jaw, and the inwall of wheel cylinder (9) is provided with the seal groove that seal ring (7) is installed.
4. according to the described wedge shape self-energizing effort disk brake of claim 1; It is characterized in that; Go up that the braking jaw is equipped to be meant in the upper end of described braking clamp body (1) and the brake calipers leading truck (13): the upper end of braking clamp body (1) the brake calipers leading truck (13) of packing into is gone up front end long strip convex platform, right-hand member long strip convex platform, the rear end long strip convex platform on the braking jaw and is adopted screw to be installed in brake calipers leading truck (13) and go up between the block of braking on the jaw left side (19); The front end long strip groove that is provided with on the front end long strip convex platform of the last braking of brake calipers leading truck (13) jaw and the inner side surface of rear end long strip convex platform matches to be combined into front end long strip boss on rear end long strip groove and the braking clamp body (1) and rear end long strip boss and is slidingly connected; Be connected with the inner side surface contact of rear end long strip convex platform with the front end long strip convex platform that brake calipers leading truck (13) is gone up the braking jaw with the upper end of the parallel plane bi-side of XOZ in the braking clamp body (1); And in the braking clamp body (1) with the parallel plane bi-side of YOZ with adopt screw to be installed in brake calipers leading truck (13) and go up the right side of the block (19) on the left side of braking jaw and do not contact with the inner side surface that brake calipers leading truck (13) is gone up the right side long strip convex platform of braking jaw, the upper-end surface that brake calipers leading truck (13) is gone up the inner side surface of braking jaw and braking clamp body (1) contacts and is slidingly connected.
5. according to the described wedge shape self-energizing effort disk brake of claim 1; It is characterized in that; Described wedge shape brake slipper (2) mainly by hypotenuse face, big right angle side face, little right angle side face with hypotenuse face, the hollow cylinder that surrounded of right angle side face, left and right sides end face that little right angle side face is vertical greatly; Angle between hypotenuse face and the big right angle side face is called as the angle of wedge of wedge shape brake slipper (2); The both ends of the surface of wedge shape brake slipper (2) are provided with the outstanding guide rail that cross section is a rectangle, and cross section is that the big right angle side face of vertical symmetry plane and wedge shape brake slipper (2) of outstanding guide rail of rectangle is parallel.
6. according to the described wedge shape self-energizing effort disk brake of claim 1; It is characterized in that; Described two baffle plates (11) are the identical rectangular plate class formation spare of structure; The upper end of two baffle plates (11) is evenly equipped with the through hole of construction bolt; The inner side surface of two baffle plates (11) lower end be provided with wedge shape brake slipper (2) both ends of the surface on the guide rail of rectangular cross section be the rectangle guiding groove that is slidingly connected, vertical symmetry plane of rectangle guiding groove is parallel with vertical symmetry plane of baffle plate (11), two baffle plates (11) are provided with the circular shaft hole that roller (6) is installed; The axis of symmetry that the circular shaft hole of roller (6) is installed is parallel to each other and is in the same plane, and it is parallel and be in the top of rectangle guiding groove that vertical symmetry plane of the residing plane of the axis of symmetry and rectangle guiding groove in circular shaft hole of roller (6) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210043086 CN102537140B (en) | 2012-02-24 | 2012-02-24 | Wedge-shaped self-power-increasing disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210043086 CN102537140B (en) | 2012-02-24 | 2012-02-24 | Wedge-shaped self-power-increasing disc brake |
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| CN102537140A true CN102537140A (en) | 2012-07-04 |
| CN102537140B CN102537140B (en) | 2013-08-21 |
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| CN 201210043086 Expired - Fee Related CN102537140B (en) | 2012-02-24 | 2012-02-24 | Wedge-shaped self-power-increasing disc brake |
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| CN102758868A (en) * | 2012-07-18 | 2012-10-31 | 奇瑞汽车股份有限公司 | Electric brake |
| CN102927162A (en) * | 2012-11-22 | 2013-02-13 | 金东� | Self-help braking brake |
| CN104061258A (en) * | 2014-06-09 | 2014-09-24 | 同济大学 | Wedge block rigid locking mechanism |
| WO2015058673A1 (en) * | 2013-10-26 | 2015-04-30 | 陈坤 | Single-sided dual-inclined surface disc brake |
| CN105202078A (en) * | 2015-10-27 | 2015-12-30 | 江苏新日电动车股份有限公司 | Disk type brake |
| CN105805192A (en) * | 2016-04-07 | 2016-07-27 | 金华职业技术学院 | Double-wedge automotive electromechanical brake |
| CN106706340A (en) * | 2017-01-18 | 2017-05-24 | 苏州瑞美科材料科技有限公司 | Automobile seat test sliding mechanism |
| WO2018120786A1 (en) * | 2016-12-29 | 2018-07-05 | 合肥工业大学 | Drive-by-wire brake acting through motor in combination with magnetostriction |
| CN108488272A (en) * | 2018-06-04 | 2018-09-04 | 四川双坤科技有限公司 | Self reinforcement type disc type brake device |
| CN108591310A (en) * | 2018-06-14 | 2018-09-28 | 金华职业技术学院 | A kind of automotive electronics key-operated brake |
| CN110155726A (en) * | 2018-12-04 | 2019-08-23 | 中国国际海运集装箱(集团)股份有限公司 | Piler and upper end braking device |
| CN110686031A (en) * | 2019-10-19 | 2020-01-14 | 山东理工大学 | One-way two-stage boosting type electronic mechanical brake actuator based on rotating motor and ball screw |
| CN110701216A (en) * | 2019-10-19 | 2020-01-17 | 山东理工大学 | Unidirectional reinforcement type electromechanical brake actuator based on rotating motor and gear rack |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102758868A (en) * | 2012-07-18 | 2012-10-31 | 奇瑞汽车股份有限公司 | Electric brake |
| CN102927162B (en) * | 2012-11-22 | 2015-04-15 | 金东� | Self-help braking brake |
| CN102927162A (en) * | 2012-11-22 | 2013-02-13 | 金东� | Self-help braking brake |
| US9920803B2 (en) | 2013-10-26 | 2018-03-20 | Chengdu ShuangChen Technology Co., Ltd. | Single-side double-inclined-surface disc-type brake |
| WO2015058673A1 (en) * | 2013-10-26 | 2015-04-30 | 陈坤 | Single-sided dual-inclined surface disc brake |
| CN104061258A (en) * | 2014-06-09 | 2014-09-24 | 同济大学 | Wedge block rigid locking mechanism |
| CN105202078A (en) * | 2015-10-27 | 2015-12-30 | 江苏新日电动车股份有限公司 | Disk type brake |
| CN105202078B (en) * | 2015-10-27 | 2018-06-01 | 江苏新日电动车股份有限公司 | A kind of disk type brake |
| CN105805192A (en) * | 2016-04-07 | 2016-07-27 | 金华职业技术学院 | Double-wedge automotive electromechanical brake |
| CN105805192B (en) * | 2016-04-07 | 2018-04-17 | 金华职业技术学院 | A kind of dual-wedge formula automobile electromechanical brake |
| US10940845B2 (en) | 2016-12-29 | 2021-03-09 | Hefei University Of Technology | Hybrid brake-by-wire system using a motor-magnetostrictive actuator combination |
| WO2018120786A1 (en) * | 2016-12-29 | 2018-07-05 | 合肥工业大学 | Drive-by-wire brake acting through motor in combination with magnetostriction |
| CN106706340A (en) * | 2017-01-18 | 2017-05-24 | 苏州瑞美科材料科技有限公司 | Automobile seat test sliding mechanism |
| CN108488272A (en) * | 2018-06-04 | 2018-09-04 | 四川双坤科技有限公司 | Self reinforcement type disc type brake device |
| CN108591310A (en) * | 2018-06-14 | 2018-09-28 | 金华职业技术学院 | A kind of automotive electronics key-operated brake |
| CN110155726A (en) * | 2018-12-04 | 2019-08-23 | 中国国际海运集装箱(集团)股份有限公司 | Piler and upper end braking device |
| CN110686031A (en) * | 2019-10-19 | 2020-01-14 | 山东理工大学 | One-way two-stage boosting type electronic mechanical brake actuator based on rotating motor and ball screw |
| CN110701216A (en) * | 2019-10-19 | 2020-01-17 | 山东理工大学 | Unidirectional reinforcement type electromechanical brake actuator based on rotating motor and gear rack |
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Application publication date: 20120704 Assignee: SHANDONG TANGJUN OULING AUTOMOBILE MANUFACTURE Co.,Ltd. Assignor: Jilin University Contract record no.: 2014370000007 Denomination of invention: Method for designing wedge-shaped self-servo disc brake Granted publication date: 20130821 License type: Exclusive License Record date: 20140210 |
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