CN109099078A - Disk brake - Google Patents
Disk brake Download PDFInfo
- Publication number
- CN109099078A CN109099078A CN201811073465.4A CN201811073465A CN109099078A CN 109099078 A CN109099078 A CN 109099078A CN 201811073465 A CN201811073465 A CN 201811073465A CN 109099078 A CN109099078 A CN 109099078A
- Authority
- CN
- China
- Prior art keywords
- plate
- caliper
- brake
- holder
- limit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
- F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
- F16D55/225—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention relates to disk brakes, to solve the problems, such as that existing brake(-holder) block is braked in the disk brake of return as braking pad wear causes braking distance to increase；A kind of disk brake is provided, including being mainly fixedly connected with the caliper constituted, two groups of brake(-holder) block components corresponding with two calipers by two half-calipers, every group of brake(-holder) block component includes the liner plate and friction plate being fixed together, and is provided in each half-caliper and two groups of brake(-holder) block components is pushed to be axially opposite mobile piston；For pushing the opposite reset spring for moving axially return of two groups of brake(-holder) block components between caliper and every group of brake(-holder) block component；Every group of brake(-holder) block component further includes the limit plate that stroke is mounted on liner plate and moved axially by spring catch and is limited by caliper；The axle center of spring catch and the moving direction of piston are parallel to each other.In the present invention with the abrasion of friction plate, the braking return-stroke of brake(-holder) block component is automatically adjusted, so that it is guaranteed that braking distance automatic adjustment is kept.
Description
Technical field
The present invention relates to a kind of brakes, more specifically to a kind of disk brake with self-return.
Background technique
Return mode after the brake(-holder) block component braking of existing disk brake is usually two kinds, one of to fill without return
It sets, disengages brake(-holder) block component and brake disc by braking disc spins and vibration after braking, brake(-holder) block component often occur cannot be complete
Disengaged entirely with brake disc, support mill phenomenon occur, lead to brake disc high temperature so that rectangular loop, dustband inside clamp and
Side sealing ring is taken turns since oil leakage phenomenon occur in high temperature ageing, clamp and wheel side, while will also accelerate brake(-holder) block component and brake disc
Abrasion, reduce the service life.Another band returning device, after braking, brake(-holder) block moves axially and system under the promotion of returning device
Moving plate separation, but so that brake piston is returned to initial makeup location together with brake(-holder) block after braking every time.But with the abrasion of brake(-holder) block,
Gap between brake disc and brake disc is more and more, and braking distance is also bigger, and brake fluid demand is big when braking, assistor
Discharge capacity needs to increase, and piston reciprocating stroke is long, sealing part abrasion aggravation, service life reduction.Braking distance increases simultaneously, the system of brake
Dynamic pressure settling time is long, will increase security risk.
Summary of the invention
The technical problem to be solved by the present invention is to be braked in the disk brake of return for existing brake(-holder) block with braking
The problem of pad wear causes braking distance to increase, and a kind of disk brake is provided, which can be certainly in braking process
It is dynamic to adjust braking distance, remain unchanged braking distance.
The present invention is to realize that the technical solution of its purpose is such that provide a kind of disk brake, including mainly by two
A half-caliper is fixedly connected with the caliper of composition, two groups of brake(-holder) block components corresponding with two calipers, brake(-holder) block component described in every group
Including the liner plate and friction plate being fixed together, it is axial that brake(-holder) block component described in two groups of promotion is provided in each half-caliper
The piston moved towards；It is characterized in that for brake(-holder) block described in two groups of promotion between the brake(-holder) block component described in caliper and every group
Component moves axially the reset spring of return opposite to each other；Brake(-holder) block component described in every group further includes being connected by spring catch and the liner plate
Connect and move axially the limit plate that stroke is limited by caliper upper limit mechanism；The axle center of the spring catch and the shifting of piston
Dynamic direction is parallel to each other.In the present invention, cause the gap between friction plate and brake disc to be greater than because of abrasion when friction plate to set
Meter apart from when, if at this time brake, in braking distance end, limit plate because by caliper upper limit mechanism limit due to stop, but
Liner plate and friction plate are continued under the impetus of piston to brake disc movement, so that the pin hole on spring catch and liner plate
Sliding is generated between hole wall or to generate Relative sliding between the pin hole hole wall on spring catch and limit plate, to reduce lining
The distance between plate and limit plate.After brake pressure revocation, brake(-holder) block component moves axially opposite to each other under the action of reset spring,
But since caliper upper limit mechanism also has limit, limit plate and liner plate and friction plate to limit plate return-stroke
Return-stroke only has caliper upper limit mechanism to the limit value of limit plate axial movement stroke, and limit plate is due to the limit of position-limit mechanism
Stop return, liner plate stops moving because losing the reset response power of reset spring namely liner plate, friction plate, brake piston etc.
Component will not be returned to initial position, but also the limit plates such as shift motion of brake(-holder) block component axial movement row when braking next time
The limit value of journey realizes the target that braking distance automatic adjustment is kept.
In above-mentioned disk brake, the caliper centre has the hole for extending radially through caliper, the limit plate position
It is mutually perpendicular in described hole and with axial direction, the position-limit mechanism on the caliper is to be arranged on described hole and axial direction
Limiting slot on the parallel both sides in direction, the limit plate end are located in the limiting slot, and the limit plate is in limiting slot
Axial stroke be equal to the friction plate Brake Design stroke.
In above-mentioned disk brake, at least one and spring catch interference fit are connected in the liner plate and limit plate, when
When the reseting elasticity of reset spring acts on the limit plate and is transferred on the liner plate by limit plate and spring catch, institute
The other of liner plate and limit plate is stated to be interference fitted connection with the spring catch or be fixedly connected or connect；When reset bullet
When the reseting elasticity of spring is acted directly on the liner plate, the other of the liner plate and limit plate and the spring catch
Interference fit connection is fixedly connected.
In above-mentioned disk brake, two half-calipers are bolted connection, and described hole is located at two described half
The junction of caliper.
In above-mentioned disk brake, at least two guide rods for axially penetrating through described hole, institute are provided on the caliper
State the pilot hole for being provided on limit plate and passing through for the guide rod.
In above-mentioned disk brake, the fixed plate vertical with axial direction, the fixed plate are fixedly installed in hole
Both ends be fixed on two half-caliper junctions, one end of the reset spring is connect with the fixed plate, the other end with
The limit plate connection.
In above-mentioned disk brake, the pilot hole passed through for the guide rod, the reset are provided in the fixed plate
Spring is the spiral cylinder spring being set on the guide rod, the both ends of the reset spring respectively with the fixed plate and institute
State limit plate contact connectio.
In above-mentioned disk brake, the fixing plate clamp fastens between two half-calipers and is set up separately by folder portion and sets
The hole for thering is the bolt being fixed together for two half-calipers to pass through.
In above-mentioned disk brake, the section that the fixed plate is located at caliper hole inner part is in T shape, the pilot hole
It is arranged on the riser of fixed plate, the transverse slat of the fixed plate is located at the radial outer end of riser, this structure, the transverse slat of fixed plate
Certain protective action can be played to reset spring.
Compared with prior art, the present invention automatically adjusting brake(-holder) block component with the abrasion of friction plate in the present invention
Return-stroke is braked, so that it is guaranteed that braking distance automatic adjustment is kept.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of disk brake of the present invention.
Fig. 2 is the decomposition texture schematic diagram of disk brake of the present invention.
Fig. 3 is the structural schematic diagram in Fig. 1 at A-A.
Fig. 4 is the structural schematic diagram in Fig. 1 at B-B.
Fig. 5 is the structural schematic diagram of fixed plate in the present invention.
Fig. 6 is the structural schematic diagram of limit plate in the present invention.
Parts title and serial number in figure:
Brake disc 1, left half-caliper 21, right half-caliper 22, fixed plate 23, guide pin 24, limiting slot 25, caliper clamping screw
26, piston 27, liner plate 31, limit plate 32, friction plate 33, spring catch 34, reset spring 4.
Specific embodiment
Illustrate specific embodiment with reference to the accompanying drawing.
The structure of disk brake is as shown in Figures 1 to 4 in the present embodiment, which includes caliper and brake(-holder) block group
Part, caliper are made up of left half-caliper 21, right half-caliper 22 locking of caliper clamping screw 26, and brake(-holder) block component is two, with
Two half-calipers are corresponding, are provided in each half-caliper and two groups of brake(-holder) block components is pushed to be axially opposite mobile piston；Every group
Brake(-holder) block component includes the liner plate and friction plate being fixed together.When braking, in left half-caliper 21 and right half-caliper 22
Piston is axially opposite stretching, pushes liner plate and friction plate to draw close to intermediate brake disc and finally makes friction plate close with brake disc
Fitting, generates sliding friction between brake disc and friction plate or static friction forms the rotary resistance of brake disc, realizes braking.At this
In embodiment, axially refer to the direction with brake disc axis parallel, is radially using disc centres point as the radial direction in the center of circle.
As shown in Fig. 1 Fig. 2, caliper centre has the hole for extending radially through caliper, left half-caliper 21, right half-caliper 22
Opposite face is in concave shape, that is, has rectangular depression, left half-caliper 21, right half-caliper 22 are formed in its center after being fixedly connected
One extends radially through the hole of caliper.The fixed plate 23 vertical with axial direction is fixedly installed in hole, fixed plate 23
Both ends are fixed on two half-caliper junctions, are fixedly clamped by two half-calipers.Hole is additionally provided in the end of fixed plate 23
232, it is passed through for caliper clamping screw 26, as shown in Fig. 2 Fig. 5.
Left half-caliper 21 on side parallel with axial direction in the rectangular depression of right half-caliper 22 have step structure,
After left half-caliper 21 is fixedly connected with right half-caliper 22, left half-caliper 21 and the cooperation of fixed plate 23 are formed in the left side of fixed plate
Two limiting slots 25, right half-caliper 22 cooperates with fixed plate 23 forms two limiting slots 25 on the right side of fixed plate 23.In this reality
Apply in example, position-limit mechanism be by the step structure and the limiting slot that constitutes of fixed plate on caliper, in the specific implementation can also be with
It is other forms, as long as forming two restraining position points in the axial direction so that the axial movement stroke to limit plate carries out
Restriction, such as two retention beads arranged in the axial direction are set on caliper.
Every group of brake(-holder) block component further includes connecting liner plate 31 with limit plate 32 by spring catch 34；Spring catch 34 can be with limit
Position plate 32 is fixedly connected or connects or by pin hole interference fit connection on limit plate 32, by with the pin on liner plate 31
Hole is interference fitted and connect with liner plate 31 or spring catch 34 with liner plate 31 can be fixedly connected with or connect or pass through liner plate
Pin hole interference fit connection on 31, by realizing that limit plate is connect with liner plate with the pin hole interference fit on limit plate 32.Limit
The both ends of plate are then located in the limiting slot 25 on caliper.
In order to enable liner plate 31 and limit plate 32 are mobile steady in the axial direction, it is provided with two on caliper and axially penetrates through
The guide rod 24 of hole on caliper, limit plate 32 are provided with the pilot hole 321 passed through for guide rod 24, as shown in Figure 6.With it is solid
The pilot hole 231 passed through for guide rod 24 is provided on fixed board 23.The effect of guide rod is in addition to liner plate mobile guide and limit
Except plate mobile guide, the effect for being also used to hang installation liner plate can extract guiding out when to be maintained or replaced to liner plate
Liner plate and brake(-holder) block are taken out after bar out of caliper hole, to avoid the process that caliper is broken to decomposition.
After brake force revocation, as shown in figure 3, the reset spring 4 for pushing brake(-holder) block component to reset is to be arranged on the guide bar
Spiral cylinder spring, the both ends of reset spring 4 connect with fixed plate 23 and limit plate 32 respectively, in the present embodiment,
Extension of the fixed plate as caliper can preferably be arranged reset spring and limit to limit plate.Fixed plate
23 be located at caliper hole inner part section it is in T shape, pilot hole 231 is arranged on the riser of fixed plate, the transverse slat of fixed plate
Positioned at the radial outer end of riser, the transverse slat of this structure, fixed plate 23 can play certain protective action to reset spring 4.
In the present invention, as shown in figure 4, between friction plate 33 causes because of abrasion between friction plate 33 and brake disc 1
When gap is greater than designed distance, if braking at this time, in braking distance end, limit plate 32 stops movement because being limited by fixed plate,
But liner plate 31 and friction plate 33 are continued under the impetus of piston 27 to the movement of the direction of brake disc 1, so that spring
Sliding is generated between pin hole hole wall on pin 34 and liner plate or makes the pin hole hole wall so that on spring catch 34 and limit plate 32
Between generate sliding, to reduce the distance between liner plate 31 and limit plate 32, after brake pressure revocation, brake(-holder) block component is being answered
It is moved axially opposite to each other under the action of the spring 4 of position, but also there is limit since caliper upper limit groove 25 forms 32 return of limit plate
Position effect, therefore the return-stroke of limit plate 32 and liner plate 31 and friction plate 33 only has caliper limiting slot 25 axial to limit plate 32
The limit value of shift motion, but also the limit plates such as shift motion of brake(-holder) block component move axially the limit of stroke when braking next time
Value realizes the target that braking distance automatic adjustment is kept.
In the present embodiment, if the reseting elasticity of reset spring acts directly on liner plate, spring catch and liner plate and limit
In the connection of position plate, spring catch at least one end is interference fit connection, and the other end is to be fixedly connected with or be interference fitted connection, with
The interference fit that will pass through spring pin end goes out to generate sliding movement and makes the distance between liner plate and limit plate adjustable
Shorten, while when resetting, limit plate realizes reset distance of the liner plate after braking by spring catch pulling liner plate again.
Claims (9)
1. a kind of disk brake, including being mainly fixedly connected with the caliper constituted, corresponding with two calipers by two half-calipers
Two groups of brake(-holder) block components, brake(-holder) block component described in every group include the liner plate and friction plate being fixed together, each half-caliper
It is inside provided with brake(-holder) block component described in two groups of promotion and is axially opposite mobile piston；It is characterized in that being made in caliper with described in every group
Brake(-holder) block component described in being used to push two groups between movable plate component moves axially the reset spring of return opposite to each other；It is braked described in every group
Piece component further includes connecting and moving axially stroke with the liner plate by spring catch to be limited by caliper upper limit mechanism
Limit plate；The axle center of the spring catch and the moving direction of piston are parallel to each other.
2. disk brake according to claim 1, it is characterised in that the caliper centre, which has, extends radially through pincers
The hole of body, the limit plate are located in described hole and are mutually perpendicular to axial direction, and the position-limit mechanism on the caliper is
Limiting slot on both sides parallel with axial direction on described hole is set, and the limit plate end is located at the limiting slot
In, axial stroke of the limit plate in limiting slot is equal to the Brake Design stroke of the friction plate.
3. disk brake according to claim 2, it is characterised in that two half-calipers are bolted connection, institute
State the junction that hole is located at two half-calipers.
4. disk brake according to claim 2, it is characterised in that in the liner plate and limit plate at least one with
Spring catch interference fit connection, when the reseting elasticity of reset spring acts on the limit plate and by limit plate and spring catch
When being transferred on the liner plate, the other of the liner plate and limit plate are interference fitted connection or fixed company with the spring catch
It connects or connects；When the reseting elasticity of reset spring acts directly on the liner plate, the liner plate and limit plate
The other of with the spring catch be interference fitted connection or be fixedly connected.
5. disk brake according to claim 4, it is characterised in that be provided at least two axial directions on the caliper and pass through
The guide rod of described hole is worn, the pilot hole passed through for the guide rod is provided on the limit plate.
6. disk brake according to claim 5, it is characterised in that be fixedly installed in hole and hang down with axial direction
Straight fixed plate, the both ends of the fixed plate are fixed on two half-caliper junctions, one end of the reset spring and institute
Fixed plate connection is stated, the other end is connect with the limit plate.
7. disk brake according to claim 6, it is characterised in that be provided in the fixed plate for the guide rod
The pilot hole passed through, the reset spring are the spiral cylinder springs being set on the guide rod, the two of the reset spring
End is connected with the fixed plate and the limit plate respectively.
8. disk brake according to claim 6 or 7, it is characterised in that the fixing plate clamp fastens described in two
Set up the hole that the bolt for being equipped with and being fixed together for two half-calipers passes through between half-caliper and by folder portion separately.
9. disk brake according to claim 6 or 7, it is characterised in that the fixed plate is located at caliper hole inner part
Section it is in T shape, the pilot hole is arranged on the riser of fixed plate, and the diameter that the transverse slat of the fixed plate is located at riser is outside
End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811073465.4A CN109099078B (en) | 2018-09-14 | 2018-09-14 | Disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811073465.4A CN109099078B (en) | 2018-09-14 | 2018-09-14 | Disc brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109099078A true CN109099078A (en) | 2018-12-28 |
| CN109099078B CN109099078B (en) | 2020-09-15 |
Family
ID=64866391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811073465.4A Active CN109099078B (en) | 2018-09-14 | 2018-09-14 | Disc brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109099078B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB854813A (en) * | 1957-03-13 | 1960-11-23 | Bendix Corp | Combined automatic adjuster and retraction means |
| JPS624745Y2 (en) * | 1981-03-17 | 1987-02-03 | ||
| GB2178807B (en) * | 1985-08-02 | 1989-01-18 | Automotive Products Plc | A disc brake caliper assembly |
| JPH09126251A (en) * | 1995-10-30 | 1997-05-13 | Akebono Brake Ind Co Ltd | Opposed piston type disk brake |
| CN102230506A (en) * | 2009-10-26 | 2011-11-02 | 摩擦性能公司 | Brake caliper with brake pad timing and retraction controller |
| US20120085598A1 (en) * | 2010-10-12 | 2012-04-12 | Ausco Products, Inc. | Caliper brake |
| CN202402523U (en) * | 2011-12-19 | 2012-08-29 | 武汉元丰汽车零部件有限公司 | Multi-disc wet type brake |
| JP2014001784A (en) * | 2012-06-18 | 2014-01-09 | Advics Co Ltd | Opposed disc brake |
| CN103912610A (en) * | 2014-03-28 | 2014-07-09 | 南车戚墅堰机车车辆工艺研究所有限公司 | Hydraulically driven service brake |
| CN205244196U (en) * | 2015-11-30 | 2016-05-18 | 常州南车铁马科技实业有限公司 | Pincers body mechanism of rail vehicle braking clamp |
| DE102016120481A1 (en) * | 2016-10-27 | 2018-05-03 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Disc brake for a commercial vehicle and brake pad set |
-
2018
- 2018-09-14 CN CN201811073465.4A patent/CN109099078B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB854813A (en) * | 1957-03-13 | 1960-11-23 | Bendix Corp | Combined automatic adjuster and retraction means |
| JPS624745Y2 (en) * | 1981-03-17 | 1987-02-03 | ||
| GB2178807B (en) * | 1985-08-02 | 1989-01-18 | Automotive Products Plc | A disc brake caliper assembly |
| JPH09126251A (en) * | 1995-10-30 | 1997-05-13 | Akebono Brake Ind Co Ltd | Opposed piston type disk brake |
| CN102230506A (en) * | 2009-10-26 | 2011-11-02 | 摩擦性能公司 | Brake caliper with brake pad timing and retraction controller |
| US20120085598A1 (en) * | 2010-10-12 | 2012-04-12 | Ausco Products, Inc. | Caliper brake |
| CN202402523U (en) * | 2011-12-19 | 2012-08-29 | 武汉元丰汽车零部件有限公司 | Multi-disc wet type brake |
| JP2014001784A (en) * | 2012-06-18 | 2014-01-09 | Advics Co Ltd | Opposed disc brake |
| CN103912610A (en) * | 2014-03-28 | 2014-07-09 | 南车戚墅堰机车车辆工艺研究所有限公司 | Hydraulically driven service brake |
| CN205244196U (en) * | 2015-11-30 | 2016-05-18 | 常州南车铁马科技实业有限公司 | Pincers body mechanism of rail vehicle braking clamp |
| DE102016120481A1 (en) * | 2016-10-27 | 2018-05-03 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Disc brake for a commercial vehicle and brake pad set |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109099078B (en) | 2020-09-15 |
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