CN108679125B - Unreeling does not restore braking ability instantaneous centre brake in three forces on Combined bracket - Google Patents
Unreeling does not restore braking ability instantaneous centre brake in three forces on Combined bracket Download PDFInfo
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- CN108679125B CN108679125B CN201810791929.9A CN201810791929A CN108679125B CN 108679125 B CN108679125 B CN 108679125B CN 201810791929 A CN201810791929 A CN 201810791929A CN 108679125 B CN108679125 B CN 108679125B
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- brake
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- pin shaft
- shoe
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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
- F16D65/00—Parts or details
- F16D65/38—Slack adjusters
- F16D65/40—Slack adjusters mechanical
- F16D65/52—Slack adjusters mechanical self-acting in one direction for adjusting excessive play
- F16D65/58—Slack adjusters mechanical self-acting in one direction for adjusting excessive play with eccentric or helical body
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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
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention relates to three forces on a kind of Combined bracket, unreeling does not restore braking ability instantaneous centre brake.Its structure feature is that former bottom plate brake dies out, and dismantles dust excluding plate on the inside of axle, and detachable bracket, which is coupled with brake-shoe saddle assemblies by can tighten bolt, to be became one, and is placed on stopping bracket, couples with axle.Detachable bracket and it can tighten and be equipped with Hough positioning sleeve between bolt, brake dust occupy on stopping bracket.The present invention replaces spare brake in not unreeling, and on-call maintenance, assembly restore the brake safe performance of vehicle, guarantees the safety traffic of coach, and the emergency for solving long-distance operation vehicle at that time is difficult.
Description
Technical field
The present invention relates to bracket system in vehicle brake drum and configuration, in particular to it is placed at three force on Combined bracket
Unreeling does not restore braking ability instantaneous centre brake.
Background technique
Automotive brake is the capital equipment for keeping ride safety of automobile at any time, it is secondary by the friction of braking equipment
Frictional heating effect reaches the target of Brake stop.It is complicated and be in brake that the vehicle of normally travel is at road condition
During frequent abrasion, for running long-distance vehicle, because local environment outer meagrely-populated and vehicle how out of office does not maintain item
The place of part, adjust heavy vehicle braking ability resume work will have certain capacity of equipment and under certain occasion into
Row.For the rear axle of heavy vehicle: adjusting the braking ability of vehicle, carry out the disintegration of wheel guiding principle tire first, unload foreign steamer
8-10 fastening bolts of guiding principle unload foreign steamer guiding principle tire；8-10 fastening bolts for unloading lubrication groove guiding principle again unload lubrication groove guiding principle tire；
Then the 8---12 fastening bolt and Hough washer for unloading spindle nose flange and semiaxis again extract semiaxis；Disassemble the tight of semiaxis steel pipe
Fixing bolt, then disassemble positioning and the thrust retaining ring of semiaxis steel pipe；The clearance adjusting nut of inner bearing is disassembled again；Dismantling spindle nose is removed again
Flange strap brake drum disassembles spindle nose flange and brake rim decomposition process, then disassembles brake-shoe depending on the mistake round shape state of brake rim.
Riveting brake pieces of cloth, which directly cause reversely gradually to adjust by process forward from postorder by foregoing sequence, to be completed.It is complicated that process is tedious, labour
Intensity is big, takes a lot of work, is time-consuming.
Summary of the invention
In order to solve the problems, such as that long-distance vehicle is repaired in the bad inconvenience of difficult circumstances and brake performance in time,
The purpose of the present invention is intended to provide three forces on a kind of Combined bracket, and unreeling does not restore braking ability instantaneous centre brake, i.e., will be former
Bottom plate brake dies out, and the spare brake constant with original structure, scale, characteristic is configured on bracket, connection
Axle and complete.
The purpose of the present invention is be achieved through the following technical solutions:
Unreeling does not restore braking ability instantaneous centre brake in three forces on a kind of Combined bracket, by stopping bracket, upper and lower branch
Support hoof pin shaft, upper and lower brake-shoe, the conjuncted double face cam of upper and lower ratchet, pawl of transposing above and below, upper and lower detent, convex
Wheel shaft, ratchet spring, ratchet spring locating cover, upper and lower positioning pawl pin shaft, upper and lower detent pin shaft, brake-shoe bracket group
Zoarium, Hough positioning sleeve, can tighten bolt and brake dust composition at detachable bracket.It is consolidated in the support hole of stopping bracket
Upper and lower support hoof pin shaft, it is upper and lower to support hoof pin shaft symmetrically and the two sides for the stopping bracket horizontal axis that is placed in, above and below
It supports and upper and lower brake-shoe is housed in hoof pin shaft, it is conjuncted double that upper and lower ratchet is respectively provided in the upper and lower support hole of upper and lower brake-shoe
Work face cam, the upper and lower conjuncted double face cam of ratchet be decentraction, ratchet shape be Archimedes's geometrical curve with gradually open
Line is combined shaped form, and eccentricity is the inside and outside two-way operation face eccentric cam of 8mm, and the tooth profiles of ratchet are one-way only operation
Zigzag, be tightened against on back-plate with bolt；It is equipped with camshaft on stopping bracket horizontal axis, it is upper and lower to support hoof pin shaft
The triangle in the biasing braking center of circle is constituted with 3 points of camshaft, apex angle is 33.6 °；Upper and lower support hoof pin shaft central vertical line
Spacing ratio with intersection point joint to spacing and the braking center of circle to the camshaft center of braking the center of circle of horizontal axis is 1:1.5；
The extension of upper and lower brake-shoe is arranged in upper and lower positioning pawl pin shaft, and the upper and lower pawl for transposing pawl is placed in upper and lower positioning spine
On pawl pin axis, upper and lower detent pin axis center of transposing support hoof pin shaft trunnion axis to positioning detent pin axis center vertical line and above and below
The spacing ratio of the spacing of the intersection point joint of line and the intersection point joint to camshaft center is 1:4；Pawl and ratchet spring are fixed
In the support hole for the extending part that position cover is fixed on upper and lower brake-shoe, pawl bullet is equipped between pawl and ratchet spring locating cover
Spring, pawl are meshed with hook tooth；Upper and lower detent axis support hole is positioned close to that hoof pin shaft is supported to support hole corresponding positions above and below
On the stopping bracket set, upper and lower detent is placed on upper and lower detent pin shaft, and by pawl and ratchet spring locating cover
It is fixed in the support hole of the alignment pin of stopping bracket, ratchet spring, pawl is equipped between pawl and ratchet spring locating cover
It is meshed with hook tooth, the angle of upper positioning pawl and upper detent work centre is 90 °；Lower positioning pawl and lower positioning spine
The angle of pawl work centre is 90 °；Demountable combined-type bracket is coupled by that can tighten bolt with brake-shoe saddle assemblies, is set
In on stopping bracket, couple with axle, detachable bracket and can tighten and be equipped with Hough positioning sleeve between bolt, fixed detachable bracket
With the position of brake-shoe saddle assemblies, brake dust is occupy on brake axle.
The invention has the advantages that
The present invention is to improve Patent No. 200710017418.3.Field is travelled mainly for oversize vehicle, it is long
Way operational process brake breaks down, and designs there are security risk.Unreeling does not restore system in three forces that the present invention designs
Dynamic performance instantaneous centre brake, as long as that is, vehicle has alternate brake hoof, so that it may replace spare system in not unreeling at any time
Dynamic hoof, on-call maintenance, assembly guarantee the safety traffic of coach.Displaced brake keeps the technical standard of former brake,
Restore the brake safe performance of vehicle, the emergency for solving long-distance operation vehicle at that time is difficult.
The present invention does not lose round and geometry framework " three force instantaneous centre brakes " in line with three force brakes drum, utilizes
The poly- heart of diameter potential difference has an angle for not damaging power in normal direction central angle when shape, matter, weight, dynamic four hearts are homocentric in construction geometry circle
In " second string is poor " normality second and angle second the rule of the corresponding stroke of instantaneous translation and utilize circle divided by three parts angle in circle at 1%
The element in three forces of radial line, i.e. " centroid, mass center, center of gravity " with one heart, have the braking of the geometry element in " three forces "
The not parallel power effect of two brake-shoes must be intersected at the theorem in the center of circle, the function of Cai Nengyou " instantaneous braking " braking by device.It utilizes
Vehicle-mounted normal pressure makes detent forces efficiency reach 100%(error 4/1000ths).For the transfer all around that automobile freedom degree is excessive
Wheel provides consistent, high-tensile strength effect stopping power and coaxial and four-wheel dynamic balance.Unique " limit is made up the difference " clearance self-regulating
Mechanism eradicates brake system of car " relating to drop effect " mechanism, is " thoroughly to release brake hidden danger, be that a kind of ensure conscientiously drives peace
The safe and efficient brake of the braking equipment, equipment, vehicle of demand entirely ", " three force instantaneous centre brakes " structure are not disassemble axis
Head provides condition.
Detailed description of the invention
Fig. 1 is three-force point side-positioned drum type clearance independent spacing self-regulating instantaneous centre brake schematic diagram.
Fig. 2 is the intermediate gap Fig. 1 automatic adjustment device schematic diagram.
Fig. 3 is schematic structural view of the invention.
Fig. 4 is detachable bracket schematic diagram in Fig. 3.
Specific embodiment
Unreeling does not restore braking ability instantaneous centre brake in three forces on a kind of Combined bracket, be by stopping bracket 1, it is upper,
Lower support hoof pin shaft 2,2 ', upper and lower brake-shoe 3,3 ', the conjuncted double face cam 4 of upper and lower ratchet, 4 ', pawl of transposing above and below
5,5 ', upper and lower detent 6,6 ', camshaft 7, ratchet spring 8, ratchet spring locating cover 9, upper and lower positioning pawl pin shaft 10,
10 ', upper and lower detent pin shaft 11,11 ', brake-shoe saddle assemblies 12a, detachable bracket 12b, Hough positioning sleeve 13, can
It tightens bolt 14 and brake dust 15 forms.Upper and lower support hoof pin shaft 2,2 ' is consolidated in the support hole of stopping bracket 1, above,
It is lower to support hoof pin shaft 2,2 ' symmetrically and the two sides for 1 horizontal axis of stopping bracket that is placed in, it is upper and lower to support in hoof pin shaft 2,2 '
Equipped with upper and lower brake-shoe 3,3 ', the conjuncted double work of upper and lower ratchet is respectively provided in the upper and lower support hole of upper and lower brake-shoe 3,3 '
Face cam 4,4 ', the upper and lower conjuncted double face cam 4,4 ' of ratchet be decentraction, ratchet shape be Archimedes's geometrical curve with
Involute is combined shaped form, and eccentricity is the inside and outside two-way operation face eccentric cam of 8mm, and the tooth profiles of ratchet are unidirectional
The zigzag of work.It is tightened against on stopping bracket 1 with bolt；It is equipped with camshaft 7 on 1 horizontal axis of stopping bracket, it is upper and lower to support
Hoof pin shaft 2,2 ' constitutes the triangle in the biasing braking center of circle with 7 three points of camshaft, and apex angle is 33.6 °；Upper and lower support hoof pin shaft
2, spacing and the braking center of circle to camshaft 7 center of the intersection point joint of 2 ' central vertical lines and horizontal axis to the braking center of circle
Spacing ratio is 1:1.5；The extension of upper and lower brake-shoe 3,3 ' is arranged in upper and lower positioning pawl pin shaft 10,10 ', upper and lower to transpose
The pawl of pawl 5,5 ' is placed on upper and lower positioning pawl pin shaft 10,10 ', upper and lower pawl pin shaft 10 of transposing, 10 ' centers to positioning
Detent pin axis center vertical line crosses with upper and lower support hoof pin shaft 2, the spacing of the intersection point joint of 2 ' horizontal axis and the intersection point
The spacing ratio at point to 7 center of camshaft is 1:4；Pawl and ratchet spring locating cover 9 are fixed on the extension of upper and lower brake-shoe 3,3 '
In the support hole at position, ratchet spring 8 is equipped between pawl and ratchet spring locating cover 9, pawl is meshed with hook tooth；Upper,
Lower detent 6,6 ' axis support hole are positioned close to support hoof pin shaft 2,2 ' to support on the stopping bracket 1 of hole corresponding position above and below,
Upper and lower detent 6,6 ' is placed on upper and lower detent pin shaft 11,11 ', and pawl and ratchet spring locating cover 9 is fixed
In the support hole of the alignment pin 10,10 ' of stopping bracket 1, ratchet spring 8 is equipped between pawl and ratchet spring locating cover 9,
Pawl is meshed with hook tooth, and the angle of upper positioning pawl 5 and upper 6 work centre of detent is 90 °；Lower positioning pawl 5 ' with
The angle of lower 6 ' work centre of detent is 90 °.
In implementation process, former bottom plate brake dies out, the back-plate assembly that original brake drum space side is set
" three forces " structure is changed to assemble upper and lower brake-shoe on the Demountable combined-type bracket for occupying the center in brake drum space.?
Dust excluding plate is dismantled on the inside of vehicle bridge, then disassembles and couples brake-shoe saddle assemblies 12a on bracket 1 with axle, extracts detachable bracket out
Then tightening bolt 14, disassembling Hough positioning sleeve 13 again on 12b decomposes detachable bracket 12b, extract brake-shoe pivot pin out,
The brake shoe assembly of limiting wear can be exchanged for, take out upper and lower brake-shoe in brake rim, change the outfit spare brake-shoe.First braking
Successively fills upper and lower brake-shoe 3,3 ' and camshaft 7 in drum, it is upper and lower support hoof pin shaft 2,2 ', upper and lower brake-shoe 3,3 ', it is upper and lower
The conjuncted double face cam 4 of ratchet, 4 ', upper and lower positioning pawl 5,5 ', upper and lower detent 6,6 ', camshaft 7, ratchet spring
8, ratchet spring locating cover 9, upper and lower positioning pawl pin shaft 10,10 ' and upper and lower detent pin shaft 11,11 ', fastening combination system
Dynamic hoof saddle assemblies 12a and detachable bracket 12b, detachable bracket 12b is by that can tighten bolt 14 and brake-shoe bracket group
Fit 12a connection, is placed in vehicle bridge shaft flange in brake drum and couples with bracket flange.Afterwards fastening brake-shoe saddle assemblies 12a and
Detachable bracket 12b becames one brake-shoe saddle assemblies 12a and detachable bracket 12b.Detachable bracket 12b with can
It tightens and is equipped with Hough positioning sleeve 13 between bolt 14, the fixed detachable bracket 12b of Hough positioning sleeve 13 and brake-shoe saddle assemblies
The position of 12a.Then the positioning accurate adjustment for carrying out " three forces " reaches the location technology requirement in " three forces ", keeps braking quality extensive
Safety standard is arrived again.Finally, installation brake dust 15, brake dust 15 occupy on stopping bracket 1.
Brake-shoe saddle assemblies 12a, detachable bracket 12b and brake-toggle shaft composition " three force instantaneous centre brakes "
Eccentric cam pivot pin central point constitutes 120 degree three of central angle up and down for structural element, brake-toggle shaft and detachable bracket
Point, when brake toggle Shaft angle jacks up, the supporting point and upper and lower brake-shoe that divide equally brake-shoe by 120 degree three of central angle
Stress point is in the angle of friction of not lost force that the supporting point in braking circle does not depart from normal direction pedal line with starting point, by normal pressure
It is coupled together with ground reaction force, reaches good braking effect.
The mechanism category " construction geometry " and " space-time center-of-mass angle " mechanics model of three forces and instantaneous braking are raised, and in nature one
The mass-energy relation for cutting object is determined by quality and mass center and effective interface.So " centroid, mass center, again of the rolling circle of wheel
It is the heart, aroused in interest " it is at the center of perimeter, radius, circle with certain mathematics geometrical relationship.In ball body and triangular pyramids
" centroid, mass center, center of gravity " with one heart, have co-tangential radius when；Centroid, center of gravity, aroused in interest is consistent a space at mass center
Construction geometry central point permits to divide with the three force brake of shoe drum of the geometry element designs utilizing construction geometry space-time spy
The mass gravity of object of seeking peace act on the physics acted on to the wheel rolling center of circle with ground reaction force, power by the center of circle to the ground
Characteristic is learned, by gravity, ground reaction force, brake braking force collective effect in rolling the center of circle, utilizes the corresponding geometry of brake
The brake-shoe for supporting dot point, which pinpoints brake force, acts on the center of circle at static friction angle, the braking angular momentum reached and center of circle angular motion
Amount balance prevents the method for center of circle translation instantaneous braking.Braking is completed by three forces that brake-shoe in centroid relationship occupies
The consistent structural relation of device minor face working radius is to be made of " centroid, mass center, center of gravity " concentric three forces, therefore be " three power
Point ".The brake of geometry element with " three forces ", the function of Cai Nengyou " instantaneous braking " braking.
The present invention does not lose round and geometry framework " three force instantaneous centre brakes " in line with three force brakes drum, utilizes
The poly- heart of diameter potential difference has an angle for not damaging power in normal direction central angle when shape, matter, weight, dynamic four hearts are homocentric in construction geometry circle
In " second string is poor " normality second and angle second the rule of the corresponding stroke of instantaneous translation and utilize circle divided by three parts angle in circle at 1%
The element in three forces of radial line, i.e. " centroid, mass center, center of gravity " with one heart, have the braking of the geometry element in " three forces "
The not parallel power effect of two brake-shoes must be intersected at the theorem in the center of circle by device." second string is poor " is the mathematics branch of " construction geometry "
Match by " structure of matter quality body " statics under the conditions of, existed by minimum unit time, angle second and " structure of matter quality body "
Potential difference distance value does not damage the ratio of power angle value Yu the ineffective angle value of time normality between body effective interface.It contains " structure of matter matter
The ratio relation of amount body " quality least action and geometric angle minimum second angle.Therefore string contains " structure of matter quality shape
Body " in and all " structure of matter quality body " systems in geometry " the minimum force action principle of constraint.In certain mass
The structure of matter in, substance has the structure centre and material mass structure gravity for just having certain mass after certain structural feature
Center.It is the essential condition for constituting structural feature static(al).With structure centre and mass centre to there is one between structure boundary
When certain radius " central angle " and " center of circle " vertical line constitute radius of circle 1% 3.5 degree of the center of circle power angle of chord with 1/360 degree of angle of circumference
The angle of chord for the not lost force that the geometry string amount at 3.6 degree of angles of the center of circle power angle of chord determines when 1%, referred to as in " static friction string cone angle ",
It is the ratio between a second time degree and string value mass runoff.
The braking process master of vehicle is to solve moving-mass momentum as caused by velocity variations, dynamic in motion state
Amount is actually inertia mass, and the generation of this inertia is generated by the accelerator of angular momentum.It is moved in central force field
Particle always by one by the intentionally effect of the centre of force, mental and physical efforts and the centre of force on one point without radial difference away from when, angular momentum is kept
It is permanent.Two brake-shoe brake force cross the centre of force it is opposite when active force symmetry conservation, axle carrying normal force kept with ground reaction force
Perseverance, these conditions are the essential condition of instantaneous braking.Automobile brake Frequent Accidents are raw in the moment of " contingency ", the high force value of moment
And absolutely dynamic balance is to ensure the primary condition of instantaneous brake safe, only " instantaneous braking " technology is to instantaneous translation
Movement has opposite force effect, and normal pressure and ground reaction force are coupled together, reach good braking effect.
The minor face stress point location of two hoof when three force instantaneous centre brake braking operations, range line cross the center of circle, wheel always
The normal load power and ground reaction force of load are maintained in the center of circle " static friction cone angle ", are prevented and are rolled the instantaneous heart in the center of circle
Translation.Obtain the stopping power that best direct ratio is just carrying power.When minor face diametric clearance is than one thousandth, force value error exists
4/1000ths, the dynamic balance of coaxial two brake has reached absolutely, guarantee driving safety.
The main object of " instantaneous braking " is the inertia of the object rotation of wheel carrying, the mass concentration of object on axle
At the center of wheel, instantaneous braking efficiency highest, minor face abrasion is few, calorific value is low, does not generate noise.Instantaneous braking uses angular motion
Conservation principle is measured, the power for obtaining optimal stopping power and optimal dynamic balance efficiency and positive specific mass under gravity has been reached
Square, obtains highest mechanical efficiency, and least abrasion have saved the consumption of raw material, extended service life.Safety is obtained to protect
Barrier and economic benefit.
Claims (1)
1. unreeling does not restore braking ability instantaneous centre brake in three forces on a kind of Combined bracket, by stopping bracket (1), above and below
Support hoof pin shaft (2,2 '), upper and lower brake-shoe (3,3 '), the conjuncted double face cam (4,4 ') of upper and lower ratchet, upper and lower positioning
It is pawl (5,5 '), upper and lower detent (6,6 '), camshaft (7), ratchet spring (8), ratchet spring locating cover (9), upper and lower
It transposes pawl pin shaft (10,10 '), upper and lower detent pin shaft (11,11 '), brake-shoe saddle assemblies (12a), detachable branch
Frame (12b), Hough positioning sleeve (13) can tighten bolt (14) and brake dust (15) composition, the support hole of stopping bracket (1)
In consolidate upper and lower support hoof pin shaft (2,2 '), it is upper and lower to support hoof pin shaft (2,2 ') symmetrically and the stopping bracket that is placed in
(1) two sides of horizontal axis, it is upper and lower to support hoof pin shaft (2,2 ') are inner upper and lower brake-shoe (3,3 ') are housed, in upper and lower brake-shoe
The conjuncted double face cam (4,4 ') of upper and lower ratchet, the upper and lower conjuncted duplex of ratchet are respectively provided in the upper and lower support hole of (3,3 ')
Making face cam (4,4 ') is decentraction, and ratchet shape is that Archimedes's geometrical curve and involute are combined shaped form, eccentric
Away from the inside and outside two-way operation face eccentric cam for 8mm, the tooth profiles of ratchet are the zigzag of one-way only operation；It is tightened against with bolt
On stopping bracket (1)；Camshaft (7) are equipped on stopping bracket (1) horizontal axis, it is upper and lower to support hoof pin shaft (2,2 ') and cam
(7) three points of axis constitute the triangle that the center of circle is braked in biasing, and apex angle is 33.6 °；Upper and lower support hoof pin shaft (2,2 ') center vertical
The spacing ratio at the intersection point joint of line and horizontal axis to spacing and the braking center of circle to camshaft (7) center for braking the center of circle is 1:
1.5；The extension in upper and lower brake-shoe (3,3 ') is arranged in upper and lower positioning pawl pin shaft (10,10 '), pawl of transposing above and below (5,
5 ') pawl is placed on upper and lower positioning pawl pin shaft (10,10 '), upper and lower positioning pawl pin shaft (10,10 ') center to positioning
The spacing of the intersection point joint of detent pin axis center vertical line and upper and lower support hoof pin shaft (2,2 ') horizontal axis and the intersection point are handed over
The spacing ratio at meeting point to camshaft (7) center is 1:4；Pawl and ratchet spring locating cover (9) be fixed on upper and lower brake-shoe (3,
3 ') in the support hole of extending part, ratchet spring (8), pawl and ratchet are equipped between pawl and ratchet spring locating cover (9)
Tooth is meshed；Upper and lower detent (6,6 ') axis support hole is positioned close to that hoof pin shaft (2,2 ') is supported to support hole corresponding position above and below
Stopping bracket (1) on, upper and lower detent (6,6 ') is placed on upper and lower detent pin shaft (11,11 '), and by pawl and
Ratchet spring locating cover (9) is fixed in the support hole of alignment pin (10,10 ') of stopping bracket (1), in pawl and ratchet spring
Ratchet spring (8) are equipped between locating cover (9), pawl is meshed with hook tooth, upper positioning pawl (5) and upper detent (6)
The angle of work centre is 90 °；The angle of lower positioning pawl (5 ') and lower detent (6 ') work centre is 90 °；Its feature
To be detachable bracket (12b), which coupled with brake-shoe saddle assemblies (12a) by can tighten bolt (14), becames one, and is placed in system
On dynamic bracket (1), couple with axle, detachable bracket (12b) and can tighten and be equipped with Hough positioning sleeve (13) between bolt (14), Gu
Determine the position of detachable bracket (12b) Yu brake-shoe saddle assemblies (12a), brake dust (15) occupy stopping bracket
(1) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810791929.9A CN108679125B (en) | 2018-07-18 | 2018-07-18 | Unreeling does not restore braking ability instantaneous centre brake in three forces on Combined bracket |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810791929.9A CN108679125B (en) | 2018-07-18 | 2018-07-18 | Unreeling does not restore braking ability instantaneous centre brake in three forces on Combined bracket |
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| Publication Number | Publication Date |
|---|---|
| CN108679125A CN108679125A (en) | 2018-10-19 |
| CN108679125B true CN108679125B (en) | 2019-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810791929.9A Active CN108679125B (en) | 2018-07-18 | 2018-07-18 | Unreeling does not restore braking ability instantaneous centre brake in three forces on Combined bracket |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114889202A (en) * | 2022-05-31 | 2022-08-12 | 广东宏兴机械有限公司 | Intelligent cam angle control system of high-performance press |
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|---|---|---|---|---|
| EP0085233A1 (en) * | 1982-01-05 | 1983-08-10 | Automotive Products Public Limited Company | Drum brake having automatic wear adjuster |
| CN2097782U (en) * | 1991-06-25 | 1992-03-04 | 傅剑青 | Automati adjustable friction backlash brake |
| CN2190076Y (en) * | 1994-01-27 | 1995-02-22 | 柳春先 | Bicycle drum brake |
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| CN108253041A (en) * | 2018-01-12 | 2018-07-06 | 浙江师范大学 | A kind of clearance self-regulating type drum brake |
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| CN108679125A (en) | 2018-10-19 |
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