CN109973563A - A kind of self-adjusting drum brake - Google Patents
A kind of self-adjusting drum brake Download PDFInfo
- Publication number
- CN109973563A CN109973563A CN201910284536.3A CN201910284536A CN109973563A CN 109973563 A CN109973563 A CN 109973563A CN 201910284536 A CN201910284536 A CN 201910284536A CN 109973563 A CN109973563 A CN 109973563A
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- brake
- block
- adjustment
- sliding
- support arm
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- 229910003460 diamond Inorganic materials 0.000 claims description 7
- 239000010432 diamond Substances 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 4
- 210000000003 hoof Anatomy 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 16
- 230000035945 sensitivity Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000010138 Diastema Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 210000000475 diastema Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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
- 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
- F16D65/56—Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut
- F16D65/561—Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut for mounting within the confines of a drum brake
- F16D65/562—Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut for mounting within the confines of a drum brake arranged between service brake actuator and braking member, and subjected to service brake force
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention relates to art of braking devices, and disclose a kind of self-adjusting drum brake, braking chassis, two brake shoes being symmetrically mounted on chassis, the brake rubber block being assemblied on the outside of brake shoe including being assemblied in automobile chassis, the equal inside of brake rim, the parking lever hinged with brake shoe and the parking bracing wire connecting with parking lever being assemblied on automotive hub, described two brake shoes is connected with link block.The displacement of positioning sliding block changes the brake shoe that the angle of adjustment arm makes support arm strut two sides, complete the adjustment of fit clearance, stress intensity is larger, it will not skid, improve the adjustment sensitivity of fit clearance, fit clearance value is set to be maintained at optimal reasonable interval value, the braking ability of automobile is kept to be maintained at optimum state, improve traffic safety makes the braking ability equipped with the self-adjusting drum brake maintain best section always simultaneously, guarantee that two sides wheel hub brake force is balanced when vehicle high-speed emergency brake, improves safety when vehicle brake.
Description
Technical field
The present invention relates to art of braking devices, specially a kind of self-adjusting drum brake.
Background technique
Referring to Fig. 1, drum brake is after prolonged use, brake rubber block gradually increases due to the fit clearance between the drum that wears and stop
Greatly, shifting lever scope of activities in gap becomes larger, and after scope of activities is greater than the ratchet spacing of clearance adjusting nut, will push gap
Adjusting nut rotation makes to adjust bar elongation, struts brake shoes, and the fit clearance for maintaining brake rubber block between drum of stopping is Reasonable area
Between be worth, convenient for brake rubber block after fixed brake travel can with stop drum be adjacent to, so that braking effect is maintained preferable state always.
Referring to Fig. 2, the scope of activities of adjustment lever can all be sent out when braking with adjusting nut every time between two ratchets
Raw friction, due to cooperating the absolute figure very little of spacing and its variable quantity, the height of adjusting nut ratchet and the thickness of adjustment lever
The also very little of degree, the ratchet and adjustment lever of adjusting nut are easy to be worn, and lead to the ratchet for adjusting lever and adjusting nut
It skids when contact, adjustment lever cannot stir adjusting nut, and fit clearance is gradually increased, and adjustment bar can be made to strut brake shoes
Sensitivity decline, brake rubber block and stop drum between fit clearance be greater than reasonable interval value, will cause in this way braking effect variation.
Referring to Fig. 3, existing fit clearance compensating movement threshold is the spacing of adjusting nut ratchet, mended in gap twice
It repays between mechanism action, cooperation spacing increases, and the diastema stroke for stepping on brake pedal increases, and increases when braking invalid reaction
Between, sensitivity decline, braking distance when galloping when emergency brake will increase, and there are security risks.
Since the stress condition of two sides wheel is different, the fit clearance value of two sides wheel hub drum brake not can guarantee unanimously, cause
Actuation time of rocker compensating gear is different, if the fit clearance value of side is adjusted to the peak value of reasonable interval value, and the other side
Fit clearance value be minimum value, the brake force of automobile two sides has differences at this time, the stopping power of two sides wheel hub when bringing to a halt
It is of different sizes, it may occur that whipping, it is out of control in addition overturn the phenomenon that, there are larger security risks.
Summary of the invention
For the deficiency of above-mentioned background technique, the present invention provides a kind of self-adjusting drum brakes, have wear-resistant and sensitive
The high advantage of property, solves the problems, such as background technique proposition.
The invention provides the following technical scheme: a kind of self-adjusting drum brake, including be assemblied in automobile chassis braking chassis,
Two brake shoes being symmetrically mounted on chassis, the brake rubber block being assemblied on the outside of brake shoe, the brake being assemblied on automotive hub
The equal inside of drum, the parking lever hinged with brake shoe and the parking bracing wire connecting with parking lever, described two brake shoes connects
It is connected to link block, and the link block for being located at parking lever side is connect by parking lever with brake shoe, two link blocks
Side adjacent to each other is symmetrical, and two brake shoes pass through link block respectively and are connected with support arm, two support arms it
Between pivot bush unit finite place piece, the lateral wall of two support arms is hinged with adjustment arm, and the angle of support arm and adjustment arm
Less than 45 degree, the other end of two adjustment arms is hinged by positioning sliding block, and sliding bottom is equipped in the middle part of the locating part
Plate, the positioning sliding block are slidably connected with sliding floor, and being equipped between the sliding floor and positioning sliding block makes positioning sliding block list
Restriction and supporting mechanism to sliding.
Preferably, the sliding floor is that middle part is equipped with the cuboid for running through sliding slot, and the sliding floor and locating part hang down
Directly, the two sides of the sliding slot are equipped with card slot according to fit clearance adjustment, and the card slot is equipped with close to the side of locating part to be convenient for
The inclined-plane skidded off, the other side of the card slot are right-angle surface.
Preferably, the positioning sliding block includes locating rod, stop nut, movable block and clamping plate, the sliding floor and fixed
Position bar is slidably connected, and the both ends of the locating rod are threaded with stop nut, are clamped between two stop nuts
Movable block and clamping plate, and clamping plate is located at the two sides of movable block, the two sides that the movable block vertically moves direction are equipped with and slide
The telescopic tongue of the card slot adaptation of bottom plate.
Preferably, the quantity of the adjustment arm is four, and four adjustment arms assume diamond in shape distribution, the adjustment arm and branch
The hinge joint of brace is located at the long axis endpoint of diamond shape, and the hinge joint of the adjustment arm and positioning sliding block is located at the endpoint of short axle, and two
Finite place piece is socketed between a support arm, there are two symmetrical sliding floor, the limits for the middle part connection of the locating part
Position part includes the connecting rod of limiting groove, two symmetrical limit sleeves and flat, and the support arm passes through limit sleeve and connect with connecting rod, institute
The inner sidewall for stating connecting rod is equipped with limiting groove, and the lateral wall of the support arm is equipped with the limited block being adapted to limiting groove.
The present invention have it is following the utility model has the advantages that
The angle that the displacement of positioning sliding block changes adjustment arm makes support arm strut the brake shoe of two sides, completes fit clearance
Adjustment, main force structure are positioning sliding block and sliding floor, and ratchet and adjustment lever compared to existing adjusting nut are adjusted,
Wear-resisting property between locating rod and card slot is more preferable, and stress intensity is larger, will not skid, and the adjustment sensitivity of fit clearance obtains
Improvement is arrived, fit clearance remains within reasonable interval value, it is ensured that when touching on the brake every time, brake shoes always can be with brake
Vehicle drum fits closely, and improves braking effect, guarantee driving safety.
Fit clearance increase causes the displacement of support arm to increase, and the microdisplacement increment of support arm is changed by triangle relation
For the displacement of positioning sliding block, amplified, with the use of drum brake, the angle of support arm and adjustment arm becomes smaller, small
Fit clearance displacement increment can cause the position of positioning sliding block to adjust, and adjustment process medium sensitivity is gradually increased, fit clearance
Value is maintained at optimal reasonable interval value, and the braking ability of automobile is kept to be maintained at optimum state, improves traffic safety.
Gap Adjustment precision is improved by support arm, adjustment arm and positioning sliding block triangle relation, is made self-adjusting equipped with this
The braking ability of drum brake maintains best section always, guarantees that two sides wheel hub brake force is balanced when vehicle high-speed emergency brake, improves vehicle
Brake when safety.
Detailed description of the invention
Fig. 1 is existing drum brake structural schematic diagram；
Fig. 2 is that existing drum brake adjusts lever and adjusting nut mesh schematic representation；
Fig. 3 is the increment schematic diagram that the fit clearance of existing drum brake changes over time；
Fig. 4 is the schematic diagram of structure of the invention；
Fig. 5 is the schematic diagram of locating part in the present invention；
Fig. 6 is positioning sliding block schematic diagram in the present invention；
Fig. 7 is movable block schematic diagram in the present invention；
Fig. 8 is partial structural diagram of the invention；
Fig. 9 is the principle of the present invention figure；
Figure 10 is the increment schematic diagram that fit clearance changes over time in the present invention.
In figure: 1, braking chassis；2, brake shoe；3, brake rubber block；4, brake rim；5, parking lever；6, parking bracing wire；7, even
Connect block；8, support arm；9, locating part；91, connecting rod；92, limit sleeve；93, limiting groove；10, arm is adjusted；11, positioning sliding block；111,
Locating rod；112, stop nut；113, movable block；114, clamping plate；12, sliding floor.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 4-10 is please referred to, a kind of self-adjusting drum brake, braking chassis 1, two including being assemblied in automobile chassis symmetrical
The brake shoe 2 that is mounted on chassis, the brake rubber block 3 for being assemblied in 2 outside of brake shoe, be assemblied in brake rim 4 on automotive hub, with
The equal inside of the parking bracing wire 6 brake shoe 2 hinged parking lever 5 and connect with parking lever 5, two brake shoes 2 is connected with
Link block 7, and the link block 7 for being located at 5 side of parking lever is connect by parking lever 5 with brake shoe 2, two link blocks 7 are mutual
Mutually close side is symmetrical, and the inside of link block 7 is equipped with notch, and 8 side of support arm is inserted on notch and link block 7 by inserted link
It is flexibly connected, two brake shoes 2 are connected with support arm 8 by link block 7 respectively, and pivot bush unit is limited between two support arms 8
Position part 9, limitation 8 moving direction of support arm guarantee the alignment of two 8 direction of motion of support arm, and support arm 8 is located remotely from each other two
A brake shoe 2 struts, and reduces fit clearance, and the lateral wall of two support arms 8 is hinged with adjustment arm 10, and support arm 8 and adjustment
The angle of arm 10 guarantees that the amplification factor of fit clearance displacement increment, the other end of two adjustment arms 10 are logical less than 45 degree
It is hinged to cross positioning sliding block 11, the microdisplacement of support arm 8 is enlarged into the appropriate of positioning sliding block 11 by the angle change of support arm 8
Displacement, the middle part of locating part 9 are equipped with sliding floor 12, and positioning sliding block 11 is slidably connected with sliding floor 12, sliding floor 12
It is equipped with and limits the clamping mechanism that positioning sliding block 11 unidirectionally slides, sliding floor 12 is that positioning sliding block 11 improves support force, and it is fixed to make
The suitably displacement of position sliding block 11 adjusts the displacement of support arm 8 in turn, between the accurate displacement for guaranteeing support arm 8 is to amplify cooperation
The Adjustment precision of gap, link block 7 and support arm 8 are bolted, and are equipped between link block 7 and bolt corresponding with best clearance
Shifting chute, after 11 position change of positioning sliding block, support arm 8 by shifting chute retract displacement be fit clearance it is best
Distance.
Wherein, sliding floor 12 is that middle part is equipped with the cuboid for running through sliding slot, and positioning sliding block 11 is slided by sliding slot, and fixed
Stop nut 112 on the sliding block 11 of position is greater than the width of sliding slot, and sliding floor 12 and locating part 9 are vertical, and positioning sliding block 11 slides
When uniform force, the two sides of sliding slot are equipped with card slot according to fit clearance adjustment, and card slot is equipped with close to the side of locating part 9 to be convenient for
The inclined-plane skidded off, the other side of card slot are right-angle surface.
Wherein, positioning sliding block 11 includes locating rod 111, stop nut 112, movable block 113 and clamping plate 114, sliding floor
12 are slidably connected with locating rod 111, and the both ends of locating rod 111 are threaded with stop nut 112, two stop nuts 112
Between be clamped with movable block 113 and clamping plate 114, and clamping plate 114 is located at the two sides of movable block 113, and the thickness of movable block 113 is appropriate
Greater than the thickness of sliding floor 12,112 squeezing splints 114 of stop nut make two clamping plates 114 clamp movable block 113, clamping plate 114
Length be greater than 12 upper hopper chute of sliding floor width avoid with sliding slot be detached from, while the thickness of movable block 113 be greater than sliding bottom
The thickness of plate 12 guarantees 13 in the free to slide of 12 upper hopper chute of sliding floor, and the two sides that movable block 113 vertically moves direction are all provided with
There is the telescopic tongue being adapted to the card slot of sliding floor 12, when positioning sliding block 11 slips over card slot on sliding floor 12, telescopic tongue
It retracts under the action of card slot inclined-plane on sliding floor 12, is stretched out again after slipping over card slot, it is straight with the card slot on sliding floor 12
Edged surface blocks, and supports and limits the sliding of positioning sliding block 11.
Wherein, the quantity for adjusting arm 10 is four, and four adjustment arms 10 assume diamond in shape distribution, adjustment arm 10 and support arm 8
Hinge joint is located at the long axis endpoint of diamond shape, and the hinge joint for adjusting arm 10 and positioning sliding block 11 is located at the endpoint of short axle, when using hand
In a flash, parking lever 5 agitates the brake shoe 2 in left side with the support arm 8 in left side for fulcrum, while to the pressure of the support arm in left side 8
Power passes to the support arm 8 on right side by adjusting arm 10 and positioning sliding block 11, pushes the brake shoe 2 on right side mobile, sliding floor
The conduction of pressure when 12 card slot makes parking brake to the support force of positioning sliding block 11, while diamond shape setting guarantees uniform force, positioning
It is socketed finite place piece 9 between 11 two support arms 8 of sliding block, limits the rotation of support arm 8, guarantees the alignment of two support arms 8,
Conducive to the conduction of power, there are two symmetrical sliding floor 12, locating part 9 includes limiting groove 93, two for the middle part connection of locating part 9
The connecting rod 91 of symmetrical limit sleeve 92 and flat, 8 shape of support arm save the installation that spring is convenient in space, and support arm 8 passes through limit
Set 92 is connect with connecting rod 91, and the inner sidewall of connecting rod 91 is equipped with limiting groove 93, and the lateral wall of support arm 8 is equipped with to be adapted to limiting groove 93
Limited block, limitation locating part 9 rotate so that sliding floor 12 deviate.
Principle of braking is as follows:
When fit clearance is smaller, when brake pedal is stepped in driving, hydraulic separate cylinder driving brake hoof 2 opens, and makes brake rubber block 3
It rubs with brake rim 4 and generates brake force, while support arm 8 being driven to be displaced, drive adjustment arm 10 to change angle, positioning sliding block 11 exists
It is slided between two card slots of sliding floor 12.With the use of drum brake, fit clearance becomes larger, and the displacement of support arm 8 becomes larger, and adjusts
The hunting range of whole arm 10 becomes larger, and the displacement of positioning sliding block 11 increases, and the telescopic tongue contraction of movable block 113 slips over sliding floor 12
Card slot, when releasing of brake pedal, brake shoe 2 is shunk under the action of the spring, and the telescopic tongue of movable block 113 stretches out, fixed
Position sliding block 11 is blocked by the card slot of sliding floor 12, and the displacement of support arm 8 is restricted, meanwhile, support arm 8 is by bolt even
The shifting chute connect on block 7 is mobile, discharges fit clearance, gap is become primary quantity.
Referring to Fig. 9, angle reduces, by tangent letter as the hinge joint of support arm 8 and adjustment arm 10 moves outward
Number is it is found that angle is smaller, and the displacement variation that the displacement increment of support arm 8 corresponds to positioning sliding block 11 is bigger, with the brake of drum brake
The angle of the abrasion of railway carriage 3, support arm 8 and adjustment arm 10 is increasing, and the sensitivity of adjustment is higher, fit clearance and time
Relationship obtains functional image as shown in Figure 10.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of self-adjusting drum brake, including be assemblied in the braking chassis (1) of automobile chassis, two be symmetrically mounted on chassis
Brake shoe (2), the brake rubber block (3) being assemblied on the outside of brake shoe (2), brake rim (4) and the brake shoe being assemblied on automotive hub
(2) hinged parking lever (5) and the parking bracing wire (6) being connect with parking lever (5), it is characterised in that: described two brakes
It is respectively connected on the inside of hoof (2) link block (7), and the link block (7) for being located at parking lever (5) side passes through parking lever (5)
It is connect with brake shoe (2), two link block (7) sides adjacent to each other are symmetrical, and two brake shoes (2) pass through respectively
Link block (7) is connected with support arm (8), and the link block (7) and support arm (8) are bolted, the link block (7) and
Shifting chute corresponding with best clearance is equipped between bolt, pivot bush unit finite place piece (9) between two support arms (8),
The lateral wall of two support arms (8) is hinged with adjustment arm (10), and support arm (8) and the angle of adjustment arm (10) are less than four
15 degree, the other end of two adjustment arm (10) hingedly, is equipped with cunning in the middle part of the locating part (9) by positioning sliding block (11)
Dynamic bottom plate (12), the positioning sliding block (11) are slidably connected with sliding floor (12), the sliding floor (12) and positioning sliding block
(11) restriction for sliding positioning sliding block (11) unidirectionally and supporting mechanism are equipped between.
2. a kind of self-adjusting drum brake according to claim 1, it is characterised in that: the sliding floor (12) sets for middle part
There is the cuboid through sliding slot, vertically, the two sides of the sliding slot are according between cooperation for the sliding floor (12) and locating part (9)
Gap adjustment is equipped with card slot, the inclined-plane that the card slot is equipped with convenient for skidding off close to the side of locating part (9), the other side of the card slot
For right-angle surface.
3. a kind of self-adjusting drum brake according to claim 1, it is characterised in that: the positioning sliding block (11) includes positioning
Bar (111), stop nut (112), movable block (113) and clamping plate (114), the sliding floor (12) and locating rod (111) are sliding
Dynamic connection, the both ends of the locating rod (111) are threaded with stop nut (112), two stop nuts (112) it
Between be clamped with movable block (113) and clamping plate (114), and clamping plate (114) is located at the two sides of movable block (113), the movable block
(113) two sides for vertically moving direction are equipped with the telescopic tongue being adapted to the card slot of sliding floor (12).
4. a kind of self-adjusting drum brake according to claim 1, it is characterised in that: the quantity of adjustment arm (10) is four
A, four adjustment arms (10) assume diamond in shape distribution, and the hinge joint of adjustment arm (10) and support arm (8) is located at the length of diamond shape
The hinge joint of shaft end point, adjustment arm (10) and positioning sliding block (11) is located at the endpoint of short axle, two support arms (8) it
Between be socketed finite place piece (9), the middle part connection of the locating part (9) is there are two symmetrical sliding floor (12), the locating part
It (9) include the connecting rod (91) of limiting groove (93), two symmetrical limit sleeves (92) and flat, the support arm (8) passes through limit
Set (92) is connect with connecting rod (91), and the inner sidewall of the connecting rod (91) is equipped with limiting groove (93), the lateral wall of the support arm (8)
Equipped with the limited block being adapted to limiting groove (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284536.3A CN109973563B (en) | 2019-04-10 | 2019-04-10 | Self-adjusting drum brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284536.3A CN109973563B (en) | 2019-04-10 | 2019-04-10 | Self-adjusting drum brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109973563A true CN109973563A (en) | 2019-07-05 |
| CN109973563B CN109973563B (en) | 2020-10-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910284536.3A Active CN109973563B (en) | 2019-04-10 | 2019-04-10 | Self-adjusting drum brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109973563B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268087A (en) * | 2020-10-30 | 2021-01-26 | 宋伟 | But drum brake automatically regulated braking clearance device |
| CN115285089A (en) * | 2022-08-23 | 2022-11-04 | 柳州柳工叉车有限公司 | Hydraulic brake system, hydraulic brake system control method and engineering vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070261928A1 (en) * | 2006-05-12 | 2007-11-15 | Robert Bosch Corporation | Drum Brake |
| CN101280815A (en) * | 2007-04-04 | 2008-10-08 | 杨振福 | Vehicle drum type hydraulic brake clearance automatic adjustment device |
| CN201486780U (en) * | 2009-08-27 | 2010-05-26 | 上海凡鸿环保科技发展有限公司 | Braking device of wind driven generator and braking mechanism thereof |
| CN203214727U (en) * | 2013-04-23 | 2013-09-25 | 焦作市制动器有限公司 | Automatic compensation device of brake |
-
2019
- 2019-04-10 CN CN201910284536.3A patent/CN109973563B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070261928A1 (en) * | 2006-05-12 | 2007-11-15 | Robert Bosch Corporation | Drum Brake |
| CN101280815A (en) * | 2007-04-04 | 2008-10-08 | 杨振福 | Vehicle drum type hydraulic brake clearance automatic adjustment device |
| CN201486780U (en) * | 2009-08-27 | 2010-05-26 | 上海凡鸿环保科技发展有限公司 | Braking device of wind driven generator and braking mechanism thereof |
| CN203214727U (en) * | 2013-04-23 | 2013-09-25 | 焦作市制动器有限公司 | Automatic compensation device of brake |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268087A (en) * | 2020-10-30 | 2021-01-26 | 宋伟 | But drum brake automatically regulated braking clearance device |
| CN115285089A (en) * | 2022-08-23 | 2022-11-04 | 柳州柳工叉车有限公司 | Hydraulic brake system, hydraulic brake system control method and engineering vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109973563B (en) | 2020-10-27 |
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Effective date of registration: 20200927 Address after: No.20-3, North District, Zhongtian Century Huacheng, Ganxi East Street, houtang community, Jiangbei street, Dongyang City, Jinhua City, Zhejiang Province Applicant after: Dongyang Xinlian Industrial Design Co., Ltd Address before: 410000 Jijing District, Kaifu District, Changsha City, Hunan Province Applicant before: Ma Ke |
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