CN115045929B - Wear-even and non-offset long-service-life drum brake - Google Patents
Wear-even and non-offset long-service-life drum brake Download PDFInfo
- Publication number
- CN115045929B CN115045929B CN202210710626.6A CN202210710626A CN115045929B CN 115045929 B CN115045929 B CN 115045929B CN 202210710626 A CN202210710626 A CN 202210710626A CN 115045929 B CN115045929 B CN 115045929B
- Authority
- CN
- China
- Prior art keywords
- brake
- plate
- limiting
- block
- brake block
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 78
- 238000005304 joining Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 19
- 230000008569 process Effects 0.000 abstract description 12
- 230000009471 action Effects 0.000 description 9
- 230000003044 adaptive effect Effects 0.000 description 9
- 230000001105 regulatory effect Effects 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007363 regulatory process Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000006467 substitution reaction 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
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
- F16D51/10—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as exclusively radially-movable brake-shoes
- F16D51/12—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as exclusively radially-movable brake-shoes mechanically actuated
-
- 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
- F16D65/54—Slack adjusters mechanical self-acting in one direction for adjusting excessive play by means of direct linear adjustment
- F16D65/546—Slack adjusters mechanical self-acting in one direction for adjusting excessive play by means of direct linear adjustment for mounting within the confines of a drum brake
-
- 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
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
- F16D2051/001—Parts or details of drum brakes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The utility model discloses a high-service-life drum brake with uniform wear and no deviation, which relates to the technical field of butterfly valves and comprises a body, wherein a first shell and a brake disc are arranged in the body, the first shell is connected with the brake disc, the high-service-life drum brake further comprises two connectors, the two connectors are symmetrically arranged in the first shell, a plurality of retractors are arranged on the outer surface of each connector, an adjusting mechanism is arranged on the outer side of each brake mechanism, the adjusting mechanism is rotationally connected with a connecting frame, a limiting mechanism is arranged in the adjusting mechanism, a plurality of self-adaptive mechanisms are arranged on the inner side of each limit, and a limiting mechanism is arranged in each self-adaptive mechanism. The high-service-life drum brake with uniform wear and non-offset can effectively prevent uneven wear through self-adaptive adjustment in the use process, and the distance between the brake pad and the brake disc is always the same, so that the braking effect is better.
Description
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to a high-service-life drum brake with uniform wear and no deviation.
Background
Vehicles are the most convenient and most practical transportation means in modern traffic, brakes are the most important safety parts on the vehicles, and the braking performance of the vehicles directly influences the running safety of the vehicles. Drum brakes are inexpensive to manufacture and are of conventional design and are widely used.
The utility model discloses a Chinese patent with publication number of CN212717741U, which discloses a prismatic self-adaptive drum brake adjusting device and relates to the technical field of brake devices, and the prismatic self-adaptive drum brake adjusting device comprises a brake disc, two arc-shaped brake shoes symmetrically arranged on the brake disc and friction plates arranged on the outer cambered surfaces of the brake shoes, wherein shoe bodies of the two brake shoes are connected by a reset tension spring in a pulling way, a brake cam shaft for controlling the opening and closing degree between the two brake shoes is arranged between one group of corresponding ends of the two brake shoes, an adjusting component is arranged between the other group of corresponding ends of the two brake shoes, the adjusting component can be vertically adjusted up and down, when the adjusting component is downwards adjusted, the adjusting component is used for expanding the two brake shoes towards two sides, and when the adjusting component is upwards adjusted, the two brake shoes are condensed towards the middle under the action of the reset tension spring. The utility model can simply, conveniently and rapidly adjust the gap between the brake drum and the friction plate through the adjusting component so as to fully utilize the friction plate, improve the resource utilization rate and ensure the braking effect.
The above devices still have some problems during use;
the device adopts the integral compensation, but receive the influence of the structural property of drum brake, when carrying out the brake, the brake block can be expanded around the brake cylinder as the centre of a circle this moment, make the relative position of leaning on the intermediate position in the brake block compare the brake block both sides position can carry out contact friction with the brake disc earlier, finally make this initial contact position longer than other friction points to friction time, thereby lead to wearing and tearing more serious, can lead to the brake block to appear the uneven phenomenon of wearing and tearing in the long time past, if adopt the integral compensation this moment, can appear two kinds of situations after the compensation is accomplished, one kind of condition is overcompensation, overcompensation because when carrying out the compensation, the compensation volume is carried out on the basis with the position that the wearing and tearing volume is big, at this moment when not carrying out the brake, the brake is perhaps contacted with the brake disc at this moment, thereby the brake state appears, influence driving is not enough, when carrying out the compensation, at this moment the brake block uses the position that the wearing and tearing volume is less as the basis to carry out the integral compensation, after the compensation is accomplished, when carrying out the compensation, when carrying out the brake block when carrying out the compensation, the place when carrying out the wearing and tearing volume is great place and wearing and tearing effect can still can not carry out the brake disc.
Disclosure of Invention
The embodiment of the utility model provides a high-service-life drum brake with uniform wear and no deviation, which aims to solve the existing technical problems.
The embodiment of the utility model adopts the following technical scheme: the utility model provides a wear evenly not skew high life drum is stopped, includes the body, be provided with first shell and brake disc in the body, first shell and brake disc interconnect still include two connectors, two connector symmetries set up in first shell, every the connector surface all is provided with a plurality of expansion bend, the output of expansion bend is provided with a plurality of groups brake mechanism, every group brake mechanism both ends all are provided with the link, brake mechanism's outside is provided with adjustment mechanism, adjustment mechanism rotates with the link to be connected, be provided with restriction mechanism in the adjustment mechanism, the restriction inboard is provided with a plurality of adaptive mechanism, be provided with stop gear in the adaptive mechanism.
Further, the brake mechanism includes a plurality of groups of brake block pieces, is provided with a plurality of brake blocks in every group of brake block piece, the brake block equidistance sets up the surface at the connector, every the both ends of brake block are provided with the recess, and the recess appearance at head and tail both ends is the same, every the both ends of brake block are provided with the fixture block, and the fixture block is located the below of recess, the fixture block overcoat is equipped with the link.
Further, a plurality of through grooves are formed in the connecting frame, each through groove corresponds to the clamping block one by one, and the height of each through groove is higher than that of the clamping block.
Further, adjustment mechanism includes two connecting seats, two the connecting seats set up the both sides at brake block respectively, be provided with the expansion plate in the connecting seat, be provided with second adjusting spring between expansion plate and the connecting seat, the lower extreme of expansion plate is provided with presses the briquetting, the lower bottom surface of expansion plate is provided with the connecting plate, two restriction grooves have been seted up in the connecting plate, the tip of expansion plate is provided with the connecting block, the both sides of connecting block are provided with the benchmark board, swing joint between benchmark board and the connecting plate.
Further, the limiting mechanism comprises two limiting blocks, each limiting block is arranged below the corresponding limiting groove, an extension spring is arranged on the outer surface of each limiting block, one end of each extension spring is connected with the connecting seat, and a limiting rod is arranged on the inner side of each limiting block.
Further, self-adaptation mechanism includes the self-adaptation seat of adjusting, the self-adaptation seat of adjusting sets up the surface at the connector, be provided with the connection mount pad in the self-adaptation seat of adjusting, the lower surface connection of connection mount pad and brake block, the below of every brake block all is provided with the connection mount pad, the lower surface of connection mount pad is provided with first adjusting spring, the tip and the internal surface connection of self-adaptation seat of adjusting of first adjusting spring.
Further, stop gear includes first rotating plate, first rotating plate sets up the inboard at the self-adaptation mount pad, and first rotating plate is located the both sides of connection mount pad, be connected with first joining in marriage the board in the first rotating plate, the below of first joining in marriage the board is provided with first restriction board, the outside of first restriction board is provided with the second rotating plate, the tip of second rotating plate is provided with the connecting axle, the connecting axle sets up the both sides at the connection mount pad, be provided with the second joining in marriage the board in the second rotating plate, the inboard of second joining in marriage the board is provided with the second restriction board.
Further, the cross sections of the limiting blocks and the limiting rods are L-shaped, and the contact surfaces of the limiting blocks and the limiting grooves are inclined surfaces.
Compared with the prior art, the utility model has the beneficial effects that:
firstly, the braking effect of the braking mechanism is always in a high stable state through the cooperation of the braking mechanism and the adjusting mechanism, when one of the braking mechanisms is worn out in the whole during the use process, after the braking is finished, the expansion plate is sprung up under the action of the first adjusting spring, when the expansion plate stretches out to a final state, a gap is generated between the worn out braking plate and the reference plate, the worn braking plate is integrally jacked up under the action of the connector, so that the reference plate is attached, the height between the braking plate which is not worn out and the braking plate which is worn out is always the same, the distance between the braking plate and the braking disc is always the same, the required braking distance is always the same when the drum is braked, and the stability of drum braking is improved;
the brake assembly is partially lifted under the action of the self-adaptive mechanism and the connecting frame in the using process, so that the regulated brake pad can be always attached to the brake disc, in the using process, in order to avoid uneven abrasion, the connecting frame is arranged outside a clamping block at the end part of the brake pad in the self-adaptive regulating process, the connecting frame is connected with the rotating frame, a gap formed in the connecting frame is larger than that of the clamping block, the brake pad can be regulated in an angle manner while the brake pad is kept to be regulated in a lifting manner, and therefore, in the abrasion compensation process, the brake pad can be regulated in different amounts according to different abrasion points, the situation that the regulated brake pad is overcompensated or lacks compensation amount is avoided due to integral regulation, so that the compensated brake pad can be attached to the brake disc when the brake pad is braked, the braking effect is ensured, and the brake pad is prevented from being contacted with the brake disc to influence the driving when the brake pad is not braked;
thirdly, in the use because the datum plate passes through the expansion plate to be connected with the brake block, when stopping, the datum plate receives the conflict power of brake disc this moment to can shrink in the recess that sets up in the brake block, make the existence of datum plate can not influence the brake effect between brake block and the brake disc, and the telescopic of datum plate makes when wearing and tearing regulation, can carry out real-time regulation according to the wearing and tearing state of brake block all the time, when wearing and tearing are serious to one of them brake block appears, can all make it adjust the same wearing and tearing degree under the effect of datum plate, thereby be applicable to and carry out the benchmark to the brake block and adjust.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the main structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the main body of the present utility model;
FIG. 3 is a schematic diagram of a brake mechanism according to the present utility model;
FIG. 4 is a schematic diagram of a connection structure between an adjusting mechanism and a brake structure according to the present utility model;
FIG. 5 is a schematic view of a brake pad according to the present utility model;
FIG. 6 is a schematic view of a first view angle structure of an adjusting mechanism according to the present utility model;
FIG. 7 is a schematic view of a second view angle structure of the adjusting mechanism of the present utility model;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7A according to the present utility model;
FIG. 9 is a schematic cross-sectional view of the adaptive mechanism of the present utility model;
fig. 10 is an enlarged schematic view of the structure of fig. 9 a according to the present utility model.
Reference numerals:
1. a body; 11. a first housing; 12. a brake disc; 2. connector 3, adjusting mechanism 31, connecting block 32, reference plate 33, expansion plate 34, pressing block 35, connecting seat 36, connecting plate; 4. a telescopic device; 5. a restriction mechanism; 51. a limiting block; 52. a telescopic spring; 53. a restraining bar; 6. a limiting mechanism; 61. a first rotating plate; 62. a first mating plate; 63. a first limiting plate; 64. a second rotating plate; 65. a second mating plate; 66. a second limiting plate; 67. a connecting shaft; 7. a connecting frame; 8. a brake mechanism; 81. a brake pad; 82. a groove; 83. a clamping block; 9. an adaptive mechanism; 91. a self-adaptive adjusting seat; 92. connecting the mounting seat; 93. a first adjusting spring.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.
The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The embodiment of the utility model provides a high-service-life drum brake with uniform wear and no deviation, which is shown in the following fig. 1 to 10, and comprises a body 1, wherein a first shell 11 and a brake disc 12 are arranged in the body 1, the first shell 11 and the brake disc 12 are mutually connected, the drum brake further comprises two connectors 2, the two connectors 2 are symmetrically arranged in the first shell 11, a plurality of retractors 4 are arranged on the outer surface of each connector 2, a plurality of groups of brake mechanisms 8 are arranged at the output ends of each retractors 4, connecting frames 7 are arranged at the two ends of each brake mechanism 8, an adjusting mechanism 3 is arranged on the outer side of each brake mechanism 8, the adjusting mechanism 3 is rotatably connected with the connecting frames 7, a limiting mechanism 5 is arranged in each adjusting mechanism 3, a plurality of self-adapting mechanisms 9 are arranged on the inner sides of the limiting mechanisms, and limiting mechanisms 6 are arranged in the self-adapting mechanisms 9.
During operation, when the drum is braked, the influence of the brake principle of drum brake is received, the brake pad 81 of drum brake is not contacted with the brake disc simultaneously, along with continuous use, the initial contact point abrasion loss is great, at this moment, when the drum is braked, adjustment mechanism 3 stretches out, at this moment, the brake mechanism 8 is under the effect of expansion bend 4 and adaptive mechanism 9, there is the part additionally to stretch out, make brake mechanism 8 be in same horizontal line, thereby reach the effect of self-adaptation regulation, simultaneously at the in-process that the drum is braked, adjustment mechanism 3 drives stop gear 6 work, stop gear 6 restriction adaptive mechanism 9 moves, thereby reach the in-process brake mechanism 8 of braking can not move, thereby guarantee the interval between brake mechanism 8 and the brake disc, thereby guarantee the braking effect.
Specifically, the brake mechanism 8 includes a plurality of groups of brake block pieces, is provided with a plurality of brake blocks 81 in every group of brake block piece, the brake block 81 equidistance sets up the surface at connector 2, every the both ends of brake block 81 are provided with recess 82, and the recess 82 appearance at head and tail both ends is the same, every the both ends of brake block 81 are provided with fixture block 83, and fixture block 83 is located recess 82's below, the fixture block 83 overcoat is equipped with link 7.
During operation, because the brake mechanism 8 is a plurality of brake blocks, be equipped with a plurality of brake block 81 in every brake block, at the in-process of braking, the brake block 81 between a set of brake blocks moves through link 7 simultaneously, thereby make the in-process of carrying out angle modulation, angle regulation is the same between the brake blocks, thereby guarantee that the brake block 81 after adjusting is in an on-line anyway, and every brake block 81 all is provided with corresponding expansion bend 4, make when certain brake block 81 wholly appears wearing and tearing, can carry out whole self-adaptation regulation, thereby guarantee that the interval between brake block 81 and the brake disc is the same, guarantee the brake effect, make the wearing and tearing of brake block 81 can be even.
Specifically, the connecting frame 7 is provided with a plurality of through grooves, each through groove corresponds to the clamping block 83 one by one, and the height of each through groove is higher than that of the clamping block 83.
In operation, a brake pad 81 is allowed to move up and down.
Specifically, the adjustment mechanism 3 includes two connecting seats 35, two the connecting seats 35 set up respectively in the both sides of brake block, be provided with expansion plate 33 in the connecting seat 35, be provided with the second adjusting spring between expansion plate 33 and the connecting seat 35, the lower extreme of expansion plate 33 is provided with presses briquetting 34, the lower bottom surface of expansion plate 33 is provided with connecting plate 36, two restriction grooves have been seted up in the connecting plate 36, the tip of expansion plate 33 is provided with connecting block 31, the both sides of connecting block 31 are provided with datum plate 32, swing joint between datum plate 32 and the connecting plate 36.
During operation, through the cooperation of brake mechanism 8 and adjustment mechanism 3, make the braking effect of brake mechanism 8 be in high steady state all the time, in the in-process of using, when the whole wearing and tearing of certain brake block 81 in brake mechanism 8, after the brake is accomplished, expansion plate 33 is sprung up under the effect of first adjusting spring 93 this moment, when expansion plate 33 stretches out final state, datum plate 32 can expand this moment, can do a benchmark for the regulation of brake block 81 after datum plate 32 expands, the clearance appears between the brake block 81 and the datum plate 32 after wearing and tearing simultaneously, the brake block 81 of wearing and tearing at this moment can be by whole jack-up under the effect of connector 2, thereby laminating datum plate 32, make the device highly the same in the in-process of using, not only can carry out self-adaptation to the brake block 81 after wearing and tearing, and receive the effect of datum plate 32, can make the interval between brake block 81 and the brake disc remain the same all the time, make this drum brake when carrying out the car, required braking distance is the same all the time, the stability of braking has been increased.
Specifically, the limiting mechanism 5 includes two limiting blocks 51, each limiting block 51 is disposed below a corresponding limiting groove, an outer surface of each limiting block 51 is provided with a telescopic spring 52, one end of each telescopic spring 52 is connected with the connecting seat 35, and a limiting rod 53 is disposed on an inner side of each limiting block 51.
Specifically, the self-adaptation mechanism 9 includes self-adaptation adjustment seat 91, self-adaptation adjustment seat 91 sets up the surface at connector 2, be provided with in the self-adaptation adjustment seat 91 and connect mount pad 92, connect the mount pad 92 to be connected with the lower surface of brake block 81, the below of every brake block 81 all is provided with and connects mount pad 92, the lower surface of connecting mount pad 92 is provided with first adjusting spring 93, the tip of first adjusting spring 93 is connected with the internal surface of self-adaptation adjustment seat 91.
Specifically, the limiting mechanism 6 includes a first rotating plate 61, the first rotating plate 61 is disposed on the inner side of the adaptive adjusting seat 91, and the first rotating plate 61 is located on two sides of the connecting installation seat 92, a first matching plate 62 is connected in the first rotating plate 61, a first limiting plate 63 is disposed below the first matching plate 62, a second rotating plate 64 is disposed on the outer side of the first limiting plate 63, a connecting shaft 67 is disposed at the end of the second rotating plate 64, the connecting shaft 67 is disposed on two sides of the connecting installation seat 92, a second matching plate 65 is disposed in the second rotating plate 64, and a second limiting plate 66 is disposed on the inner side of the second matching plate 65.
Specifically, the cross sections of the limiting block 51 and the limiting rod 53 are L-shaped, and the contact surface between the limiting block 51 and the limiting groove is an inclined surface.
In the process of braking, through the cooperation of actuating mechanism 5, adaptive mechanism 9 and stop gear 6, the brake block 81 can only outwards move, unable inwards move, when relieving the braking state, the limiting block 51 does not receive the extrusion of connecting plate 36, limiting block 51 resets under the effect of extension spring 52 this moment, after limiting block 51 resets, connect the mount pad 92 outwards stretches out under the effect of first adjusting spring 93 this moment, because connect the mount pad 92 to be connected with brake block 81, make brake block 81 remove and touch reference plate 32, thereby accomplish the self-adaptation regulation of brake block 81, after the regulation is accomplished, at the in-process of carrying out the brake, the brake disc can first contact reference plate 32, because reference plate 32 is connected with extension plate 33, and extension plate 33 is connected with connecting seat 35, extension plate 33 receives the extrusion force and inwards contracts, owing to be provided with recess 82 in the brake block 81, extension plate 33 can withdraw into recess 82 this moment, thereby make the brake can contact with the brake disc, in the course of brake block 81 and disc contact, because the brake block 81 is connected with brake block 81, first rotor plate 61 is provided with brake block 81, first brake block 62 is provided with first brake block 62, can only receive the extrusion plate 63 when the motion limiting plate 81 can not reach the first brake block 81, can's motion effect can not be reached to the first brake block 81, can not reach 81, and can't move the first brake block 81 is joined in the motion to the limit plate is provided with the connection plate 63.
The working principle is as follows; in the braking process, when one brake block 81 in the brake mechanism 8 is worn integrally, after the braking is completed, the expansion plate 33 is sprung up under the action of the first adjusting spring 93, when the expansion plate 33 stretches out to a final state, the datum plate 32 is unfolded, the datum plate 32 can be used for adjusting the brake block 81 after being unfolded, meanwhile, a gap is formed between the worn brake block 81 and the datum plate 32, the worn brake block 81 is integrally jacked up under the action of the connector 2, so that the gap between the brake block 81 and the datum plate 32 is compensated, the heights of the brake blocks 81 are the same, the device can adaptively adjust the worn brake block 81 in the using process, and the gap between the brake block 81 and a brake disc can be kept the same all the time under the action of the datum plate 32, when the drum brake is used for braking, the required braking distance is always the same, the stability of the drum brake is improved, in the process of adaptively adjusting the brake block 81, the connecting frame 7 is rotationally connected with the connecting seat 35, and the connecting seat 35 is movably connected with the brake block 81, so that the brake block 81 can move up and down, meanwhile, the influence of the connecting seat 35 can also be used for carrying out angle adjustment, the adjusting effect of the brake block 81 is improved, when the braking state is released, the limiting block 51 is not extruded by the connecting plate 36, the limiting block 51 is reset under the action of the telescopic spring 52, after the limiting block 51 is reset, the connecting mounting seat 92 extends outwards under the action of the first adjusting spring 93, and the connecting mounting seat 92 is connected with the brake block 81, so that the brake block 81 moves and touches the reference plate 32, thereby the adaptive adjustment of the brake block 81 is completed, after the regulation is completed, the brake disc can be firstly contacted with the reference plate 32 in the process of braking, the reference plate 32 is connected with the telescopic plate 33, the telescopic plate 33 is connected with the connecting seat 35, the telescopic plate 33 is subjected to extrusion force and can be inwards contracted, the groove 82 is formed in the brake plate 81, the telescopic plate 33 can be retracted into the groove 82, so that the brake disc can be contacted with the brake disc, the first rotating plate 61 is provided with the first matching plate 62 in the process of contacting the brake plate 81 with the brake disc, the first limiting plate 63 is arranged below the first matching plate 62, when the brake plate 81 is extruded and inwards moved, the first matching plate 62 can be abutted against the first limiting plate 63, so that the brake plate 81 can not move, the effect that the brake plate 81 can only outwards move and can not inwards move is achieved, the braking effect of the brake plate 81 is ensured, the brake plate can be always attached to the inner surface of the brake disc due to the fact that the self-adaptive regulated brake plate can be relatively uniform, the thickness of the brake plate can be used for safely increasing the thickness of the brake plate in the process of contacting the brake plate, the service life of the brake plate can be prolonged, and the service life of the brake plate can be prolonged.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (3)
1. The utility model provides a wear even non-skew high life drum brake, includes body (1), be provided with first shell (11) and brake disc (12) in body (1), first shell (11) interconnect with brake disc (12), its characterized in that; still include two connectors (2), two connector (2) symmetry sets up in first shell (11), every connector (2) surface all is provided with a plurality of expansion bend (4), the output of expansion bend (4) is provided with a plurality of groups of brake block (8), every group brake block (8) both ends all are provided with link (7), the outside of brake block (8) is provided with adjustment mechanism (3), adjustment mechanism (3) are connected with link (7) rotation, be provided with restriction mechanism (5) in adjustment mechanism (3), the restriction inboard is provided with a plurality of adaptation mechanism (9), be provided with stop gear (6) in adaptation mechanism (9), brake block (8) are provided with a plurality of brake block (81) in every group of brake block, brake block (81) equidistance sets up the surface at connector (2), every brake block (81) both ends are provided with recess (82), and the recess (82) of tail end (82) are provided with recess (83) and are located two ends (83) of the same, and each brake block (83) are provided with fixture block (83), the adjusting mechanism (3) comprises two connecting seats (35), the two connecting seats (35) are respectively arranged on two sides of a brake block, a telescopic plate (33) is arranged in the connecting seats (35), a second adjusting spring is arranged between the telescopic plate (33) and the connecting seats (35), a pressing block (34) is arranged at the lower end of the telescopic plate (33), a connecting plate (36) is arranged at the lower bottom surface of the telescopic plate (33), two limiting grooves are formed in the connecting plate (36), connecting blocks (31) are arranged at the end parts of the telescopic plate (33), reference plates (32) are arranged on two sides of the connecting blocks (31), the reference plates (32) are movably connected with the connecting plates (36), the limiting mechanism (5) comprises two limiting blocks (51), each limiting block (51) is arranged below the corresponding limiting groove, a telescopic spring (52) is arranged on the outer surface of each limiting block (51), one end of each telescopic spring (52) is connected with the connecting seat (35), the self-adaptive adjusting mechanism (91) is arranged on the outer surface (91) of the self-adaptive adjusting mechanism (9), be provided with in the self-adaptation seat (91) of adjusting connection mount pad (92), connect the lower surface connection of mount pad (92) and brake block (81), the below of every brake block (81) all is provided with connection mount pad (92), the lower surface of connection mount pad (92) is provided with first adjusting spring (93), the tip of first adjusting spring (93) is connected with the internal surface of self-adaptation seat (91), stop gear (6) include first rotating plate (61), first rotating plate (61) set up the inboard at self-adaptation seat (91), and first rotating plate (61) are located the both sides of connection mount pad (92), be connected with first joining in marriage board (62) in first rotating plate (61), the below of first joining in marriage board (62) is provided with first limiting plate (63), the outside of first limiting plate (63) is provided with second rotating plate (64), the tip of second rotating plate (64) is provided with connecting axle (67), connecting axle (67) are provided with second limiting plate (65) in the second setting up in second limiting plate (65).
2. A wear-leveling non-shifting high life drum brake in accordance with claim 1, wherein; a plurality of through grooves are formed in the connecting frame (7), each through groove corresponds to the clamping blocks (83) one by one, and the height of each through groove is higher than that of each clamping block (83).
3. A wear-leveling non-shifting high life drum brake in accordance with claim 1, wherein; the cross sections of the limiting blocks (51) and the limiting rods (53) are L-shaped, and the contact surfaces of the limiting blocks (51) and the limiting grooves are inclined surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210710626.6A CN115045929B (en) | 2022-06-22 | 2022-06-22 | Wear-even and non-offset long-service-life drum brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210710626.6A CN115045929B (en) | 2022-06-22 | 2022-06-22 | Wear-even and non-offset long-service-life drum brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115045929A CN115045929A (en) | 2022-09-13 |
| CN115045929B true CN115045929B (en) | 2023-11-24 |
Family
ID=83163657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210710626.6A Active CN115045929B (en) | 2022-06-22 | 2022-06-22 | Wear-even and non-offset long-service-life drum brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115045929B (en) |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1206276A (en) * | 1967-10-06 | 1970-09-23 | Teves Gmbh Alfred | Improvements in or relating to disc brakes |
| GB2086500A (en) * | 1980-11-01 | 1982-05-12 | Lucas Industries Ltd | Brake adjustment specifically for vehicle drum brakes |
| DE19507588A1 (en) * | 1994-03-15 | 1995-09-21 | Volkswagen Ag | Self=adjusting drum brake for vehicle |
| JPH1122763A (en) * | 1997-07-03 | 1999-01-26 | Akebono Brake Ind Co Ltd | Adjuster mechanism of disc brake device |
| EP1348883A2 (en) * | 2002-03-27 | 2003-10-01 | Nisshinbo Industries Inc. | Drum brake device with an automatic shoe clearance adjustment apparatus |
| JP2005256975A (en) * | 2004-03-12 | 2005-09-22 | Akebono Brake Ind Co Ltd | Drum brake device |
| JP2009085429A (en) * | 2007-09-13 | 2009-04-23 | Akebono Brake Ind Co Ltd | Pad holder with adjuster function |
| WO2010150387A1 (en) * | 2009-06-25 | 2010-12-29 | 株式会社Tbk | Gap adjustment mechanism for disk brake device |
| CN204458918U (en) * | 2015-01-23 | 2015-07-08 | 李邦华 | Motor Vehicle and electric motor car cammingly thrust brake |
| DE102015104183A1 (en) * | 2015-03-20 | 2016-09-22 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Disc brake for a commercial vehicle |
| WO2018049771A1 (en) * | 2016-09-13 | 2018-03-22 | 广州市润浩汽车配件有限公司 | Automatic brake clearance adjusting arm |
| CN109050497A (en) * | 2018-09-05 | 2018-12-21 | 项炳海 | A kind of automobile braking device |
| CN109990019A (en) * | 2019-04-15 | 2019-07-09 | 湖北科技学院 | A kind of brake clearance compensation device in braking system |
| CN110159673A (en) * | 2019-04-23 | 2019-08-23 | 高邮市顺达动力机电有限公司 | A kind of adjustable braking drum brake |
| CN110360246A (en) * | 2019-07-22 | 2019-10-22 | 高邮市宏生制动器厂 | A kind of Novel drum brake service life height and had a safety feature |
| DE102018215979A1 (en) * | 2018-09-19 | 2020-03-19 | Continental Teves Ag & Co. Ohg | Spreading device for drum brake with compensation device and the drum brake |
| CN212717741U (en) * | 2020-07-15 | 2021-03-16 | 成都陆虎电子科技有限公司 | Prism type self-adaptive drum brake adjusting device |
| CN112524186A (en) * | 2020-12-21 | 2021-03-19 | 任丘市博科机电新技术有限公司 | Full-mechanical disc brake automatic precise gap adjusting device and design method thereof |
| CN113833789A (en) * | 2021-09-28 | 2021-12-24 | 黄山菲英汽车零部件有限公司 | Drum brake sheet capable of continuously keeping brake braking force |
| CN114483833A (en) * | 2022-01-25 | 2022-05-13 | 马日色约 | New energy automobile stopper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11215252B2 (en) * | 2019-03-29 | 2022-01-04 | Bendix Commercial Vehicle Systems Llc | Wheel end brake pad wear sensor |
-
2022
- 2022-06-22 CN CN202210710626.6A patent/CN115045929B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1206276A (en) * | 1967-10-06 | 1970-09-23 | Teves Gmbh Alfred | Improvements in or relating to disc brakes |
| GB2086500A (en) * | 1980-11-01 | 1982-05-12 | Lucas Industries Ltd | Brake adjustment specifically for vehicle drum brakes |
| DE19507588A1 (en) * | 1994-03-15 | 1995-09-21 | Volkswagen Ag | Self=adjusting drum brake for vehicle |
| JPH1122763A (en) * | 1997-07-03 | 1999-01-26 | Akebono Brake Ind Co Ltd | Adjuster mechanism of disc brake device |
| EP1348883A2 (en) * | 2002-03-27 | 2003-10-01 | Nisshinbo Industries Inc. | Drum brake device with an automatic shoe clearance adjustment apparatus |
| JP2005256975A (en) * | 2004-03-12 | 2005-09-22 | Akebono Brake Ind Co Ltd | Drum brake device |
| JP2009085429A (en) * | 2007-09-13 | 2009-04-23 | Akebono Brake Ind Co Ltd | Pad holder with adjuster function |
| WO2010150387A1 (en) * | 2009-06-25 | 2010-12-29 | 株式会社Tbk | Gap adjustment mechanism for disk brake device |
| CN204458918U (en) * | 2015-01-23 | 2015-07-08 | 李邦华 | Motor Vehicle and electric motor car cammingly thrust brake |
| DE102015104183A1 (en) * | 2015-03-20 | 2016-09-22 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Disc brake for a commercial vehicle |
| WO2018049771A1 (en) * | 2016-09-13 | 2018-03-22 | 广州市润浩汽车配件有限公司 | Automatic brake clearance adjusting arm |
| CN109050497A (en) * | 2018-09-05 | 2018-12-21 | 项炳海 | A kind of automobile braking device |
| DE102018215979A1 (en) * | 2018-09-19 | 2020-03-19 | Continental Teves Ag & Co. Ohg | Spreading device for drum brake with compensation device and the drum brake |
| CN109990019A (en) * | 2019-04-15 | 2019-07-09 | 湖北科技学院 | A kind of brake clearance compensation device in braking system |
| CN110159673A (en) * | 2019-04-23 | 2019-08-23 | 高邮市顺达动力机电有限公司 | A kind of adjustable braking drum brake |
| CN110360246A (en) * | 2019-07-22 | 2019-10-22 | 高邮市宏生制动器厂 | A kind of Novel drum brake service life height and had a safety feature |
| CN212717741U (en) * | 2020-07-15 | 2021-03-16 | 成都陆虎电子科技有限公司 | Prism type self-adaptive drum brake adjusting device |
| CN112524186A (en) * | 2020-12-21 | 2021-03-19 | 任丘市博科机电新技术有限公司 | Full-mechanical disc brake automatic precise gap adjusting device and design method thereof |
| CN113833789A (en) * | 2021-09-28 | 2021-12-24 | 黄山菲英汽车零部件有限公司 | Drum brake sheet capable of continuously keeping brake braking force |
| CN114483833A (en) * | 2022-01-25 | 2022-05-13 | 马日色约 | New energy automobile stopper |
Non-Patent Citations (3)
| Title |
|---|
| 卡车制动器间隙自动补偿装置的改进设计;张东峰;陈晓峰;马宁;;农业装备与车辆工程(第11期);全文 * |
| 抽油机刹车故障原因分析及对策;孙爱军;张海斌;;中国石油和化工标准与质量(第05期);全文 * |
| 矿井提升机盘式制动器的摩擦磨损特性研究;刘娜;张斌;宋娟;朱青青;马秋环;;煤矿机械(第03期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115045929A (en) | 2022-09-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110617293A (en) | Variable-stiffness axle box spring vibration reduction method and spring | |
| CN105650146A (en) | Double-brake-pad braking unit based on sliding displacement | |
| CN115045929B (en) | Wear-even and non-offset long-service-life drum brake | |
| CN111559403B (en) | Bogie with rubber spring suspension and railway vehicle | |
| CN109899423B (en) | Self-adaptive automobile brake device | |
| CN218116117U (en) | Height-adjustable wind-resistant support capable of buffering energy consumption | |
| CN205479018U (en) | Dual -brake piece brake unit based on slide and shift | |
| CN214652835U (en) | One-way safety tongs | |
| CN214652834U (en) | Wedge block abrasion self-compensation structure for safety protection device | |
| CN109899162B (en) | Exhaust braking system and engine | |
| CN208235066U (en) | A kind of electronic dobby machine pulling hook connecting structure | |
| CN221563021U (en) | Braking device and braking axle | |
| CN211202702U (en) | Variable-stiffness axle box spring | |
| CN218505873U (en) | Sliding block abrasion sleeve and braking device | |
| CN114955784B (en) | Unidirectional safety tongs | |
| CN201800836U (en) | Link mechanism capable of adjusting seat cushion height of off-road motorcycle | |
| CN212507308U (en) | Steel wire rope guide mechanism for high-rise building hanging basket | |
| CN220222923U (en) | Swing roller assembly and rolling swing roller mechanism | |
| CN209890038U (en) | Roller guide shoe device for villa elevator with backpack frame structure | |
| CN217705371U (en) | Novel lightweight front axle of overhead wedge brake | |
| CN201461805U (en) | Diaphragm-plate-type unit brake cylinder | |
| CN212717853U (en) | Automatic tensioning mechanism of shallow slot transmission chain | |
| CN219259430U (en) | Elevator brake with good braking stability and long service life | |
| CN221019976U (en) | Lifting baffle with guide wheels | |
| CN220314977U (en) | Brake fixing frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |