CN207034027U - Brake and servo-drive system - Google Patents
Brake and servo-drive system Download PDFInfo
- Publication number
- CN207034027U CN207034027U CN201720928722.2U CN201720928722U CN207034027U CN 207034027 U CN207034027 U CN 207034027U CN 201720928722 U CN201720928722 U CN 201720928722U CN 207034027 U CN207034027 U CN 207034027U
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- keep plate
- plate
- braking
- brake
- keep
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Abstract
The utility model provides a kind of brake and servo-drive system.Wherein, brake includes the first keep plate, the second keep plate and friction plate.First keep plate is fixedly connected with part to be braked, and the second keep plate is movably set relative to the first keep plate, and friction plate is arranged between the first keep plate and the second keep plate.Braking projection is provided with first keep plate, the braking chute being engaged with braking projection is offered on second keep plate, the width between the first keep plate and the second keep plate for braking projection is less than width of the friction plate between the first keep plate and the second keep plate.When can damaging in friction plate or surprisingly fail using the technical solution of the utility model, coordinated using braking projection and braking chute and carry out rigid braking, still ensure that the braking of brake, reliability and the life-span of brake are improved, effectively solves the problems, such as the direct brake fade of meeting after the friction plate breakage of brake in the prior art.
Description
Technical field
Braking technology field is the utility model is related to, in particular to a kind of brake and servo-drive system.
Background technology
Electromagnetic brake is an important braking function basic part, and it integrates machinery, electric, electronic technology, its
It is mainly used in the accurate control and braking of rotating mechanism.Traditional brake structure is single friction plate, braking when friction plate by
The normal pressure of armature produces frictional force so as to be braked with armature and baffle plate.
Above-mentioned electromagnetic brake when in use, the frequent easy chipping situation of friction plate, once friction plate fragmentation
It may result in whole misfunctioning of brake so that servo control mechanism is in danger.
Utility model content
Main purpose of the present utility model is to provide a kind of brake and servo-drive system, to solve to brake in the prior art
After the friction plate breakage of device the problem of meeting direct brake fade.
To achieve these goals, according to one side of the present utility model, there is provided a kind of brake, including the first system
Dynamic plate, the second keep plate and friction plate, the first keep plate are fixedly connected with part to be braked；Second keep plate is relative to the first braking
Plate is movably set；Friction plate is arranged between the first keep plate and the second keep plate；First keep plate or the second keep plate
On be provided with braking projection, offered on the second keep plate or the first keep plate and the braking chute that is engaged of braking projection, system
The width between the first keep plate and the second keep plate of dynamic projection is less than friction plate in the first keep plate and the second keep plate
Between width.
Further, projection is braked to be multiple, and multiple braking projections uniformly divide on the first keep plate or the second keep plate
Cloth, accordingly, also to be multiple, multiple braking chutes are uniformly distributed braking chute on the second keep plate or the first keep plate.
Further, multiple braking projections are distributed in a ring on the first keep plate or the second keep plate, accordingly, more
Individual braking chute is also distributed in a ring on the second keep plate or the first keep plate.
Further, the first keep plate and/or the second keep plate are circular slab.
Further, it is arc chute to brake chute.
Further, it is cylindrical projection to brake projection.
Further, mounting groove is offered on the first keep plate or the second keep plate, friction plate is arranged on mounting groove.
Further, friction plate is annular, and mounting groove is annular groove.
Further, brake also includes actuator, and actuator is used to drive the second keep plate relative to the first keep plate
Closer or far from.
Further, brake also includes stator, and actuator includes skeleton, excitation winding and spring, and skeleton is arranged on fixed
On son；Excitation winding is arranged on skeleton；Spring is arranged on stator and is connected with the second keep plate, and the second keep plate is by ferromagnetic
Property material is made.
Further, spring is torsion spring.
Further, on stator formed with positioning convex column, inserting of being engaged with positioning convex column is offered on the second keep plate
Groove.
Further, brake also includes end cap, and end cap is connected with stator, formed with installation between stator and end cap
Chamber, the first keep plate, the second keep plate, friction plate and actuator are respectively positioned in installation cavity.
Further, stator and end cap are structure as a whole.
To achieve these goals, according to one side of the present utility model, there is provided a kind of servo-drive system, including braking
Device, brake are above-mentioned brake.
Using the technical solution of the utility model, because braking projection is between the first keep plate and the second keep plate
Width is less than width of the friction plate between the first keep plate and the second keep plate, as illustrated, in normal brake application, the second system
Dynamic plate contacts relative to the activity of the first keep plate, the second keep plate and the first keep plate with friction plate, passes through friction plate friction
Braking is conveyed the first keep plate that part to be braked is fixedly connected and stopped operating.After friction plate damages, if such as the braking of figure second
It is movable relative to the first keep plate that plate continues, and the braking projection on the second keep plate will be inserted into the braking on the second keep plate
In chute, the first keep plate being fixedly connected with part to be braked is caused to stop operating by rigidity braking.So, using this reality
With new technical scheme can when friction plate damages or surprisingly fails, matched somebody with somebody using braking projection and braking chute
Close and carry out rigid braking, still ensure that the braking of brake, improve reliability and the life-span of brake, effectively solve prior art
After the friction plate breakage of middle brake the problem of meeting direct brake fade.
In addition to objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Brief description of the drawings
A part of Figure of description of the present utility model is formed to be used for providing further understanding to of the present utility model, this
The schematic description and description of utility model is used to explain the utility model, does not form to improper limit of the present utility model
It is fixed.In the accompanying drawings：
Fig. 1 shows the structural representation when carrying out friction disc brake of the embodiment according to brake of the present utility model
Figure；
Fig. 2 shows structural representation of the embodiment of Fig. 1 brake when carrying out rigidity braking；
Fig. 3 shows the structural representation of the first keep plate of Fig. 1 brake；
Fig. 4 shows the structural representation of the second keep plate of Fig. 1 brake；
Fig. 5 shows that the second keep plate of Fig. 1 brake is arranged on the structural representation on stator.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
10th, the first keep plate；11st, projection is braked；20th, the second keep plate；21st, chute is braked；22nd, mounting groove；23rd, insert
Groove；30th, friction plate；40th, actuator；41st, skeleton；42nd, winding is encouraged；43rd, spring；50th, stator；51st, positioning convex column；60th, hold
Lid.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In order that those skilled in the art more fully understand the utility model, it is real below in conjunction with the utility model
The accompanying drawing in example is applied, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that be described
Embodiment is only the embodiment of the utility model part, rather than whole embodiments.Based on the reality in the utility model
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all should
When the scope for belonging to the utility model protection.
It should be noted that term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing,
" second " etc. is for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so
The term used can exchange in the appropriate case, so as to embodiment of the present utility model described herein.In addition, term " bag
Include " and " having " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps
Or process, method, system, product or the equipment of unit are not necessarily limited to those steps or the unit clearly listed, but can wrap
Include not listing clearly or for the intrinsic other steps of these processes, method, product or equipment or unit.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
Figures 1 and 2 show that the embodiment one of brake of the present utility model, the brake include the first keep plate 10,
Second keep plate 20 and friction plate 30.First keep plate 10 is fixedly connected with part to be braked, and the second keep plate 20 is relative to first
Keep plate 10 is movably set, and friction plate 30 is arranged between the first keep plate 10 and the second keep plate 20.First keep plate
Braking projection 11 is provided with 10, the braking chute 21 being engaged with braking projection 11, braking are offered on the second keep plate 20
The width between the first keep plate 10 and the second keep plate 20 of projection 11 is less than friction plate 30 in the first keep plate 10 and the
Width between two keep plates 20.
The technical scheme of Application Example one, due to braking projection 11 the first keep plate 10 and the second keep plate 20 it
Between width be less than width of the friction plate 30 between the first keep plate 10 and the second keep plate 20, as shown in figure 1, normally making
When dynamic, the second keep plate 20 is relative to the activity of the first keep plate 10, and the second keep plate 20 and the first keep plate 10 are and friction plate
30 contacts, the first keep plate 10 being fixedly connected by the friction catch of friction plate 30 transference part to be braked stop operating.Work as friction
After piece 30 damages, if as the second keep plates of Fig. 2 20 continue, system second keep plate 20 on movable relative to the first keep plate 10
Dynamic projection 11 will be inserted into the braking chute 21 on the second keep plate 20, cause to consolidate with part to be braked by rigidity braking
Surely the first keep plate 10 connected stops operating.So, damaged using the technical solution of the utility model can in friction plate 30
When bad or unexpected failure, coordinated using braking projection 11 and braking chute 21 and carry out rigid braking, still ensure that braking
The braking of device, reliability and the life-span of brake are improved, meeting is straight after effectively solving the friction plate breakage of brake in the prior art
The problem of connecing brake fade.
Optionally, the first keep plate 10 couples by way of key or holding screw coordinate with outside rotary shaft.
Preferably, the first keep plate 10 and the second keep plate 20 with the surface that friction plate 30 coordinates by reticulate pattern handle with
Increase and the brake force of friction plate 30.Optionally, coordinating with friction plate 30 by the first keep plate 10 and the second keep plate 20
Surface get ready processing improve brake force be also feasible.
As shown in Figure 3 and Figure 4, in the technical scheme of embodiment one, braking projection 11 is multiple, multiple braking projections 11
It is uniformly distributed on the first keep plate 10, accordingly, braking chute 21 is also to be multiple, and multiple braking chutes 21 are in the second braking
It is uniformly distributed on plate 20.By the cooperations of multiple braking projections 11 and multiple braking chutes 21, can allow in braking procedure should
Power distribution is more uniform, and avoiding stress from excessively concentrating causes braking projection 11 to damage.Because the brake is used for rolling brake, make
For a kind of preferred embodiment, multiple braking projections 11 are distributed in a ring on the first keep plate 10, accordingly, multiple systems
Dynamic chute 21 is also distributed in a ring on the second keep plate 20.Braking projection 11 and the braking of annular spread by annular spread
The cooperation of chute 21, it can pointedly realize braking.As an alternative embodiment, braking projection 11 is 8, relatively
It is also 8 to answer ground braking chute 21.As other optional embodiments, braking projection 11 and braking chute 21 can also be more
In 8 or less than 8.
As a preferred embodiment, as shown in Figure 3 and Figure 4, the first keep plate 10 and/or the second keep plate 20 are
Circular slab.
As shown in figure 4, in the technical scheme of embodiment one, braking chute 21 is arc chute, and arc chute is using
When, it is easy to brake the insertion of projection 11, also allows for and brake projection 11 and rub.As shown in figure 3, as a kind of optional embodiment party
Formula, braking projection 11 are cylindrical projection.As other optional embodiments, braking projection 11 can also be that hemispherical is convex
Post.
As shown in Figure 1 and Figure 4, as an alternative embodiment, offering mounting groove 22 on the first keep plate 10, rub
Pad 30 is arranged on mounting groove 22.Friction plate 30 is installed by mounting groove 22, can more firmly fixed friction piece 30, keep away
Exempt from friction plate 30 to rub with the second keep plate 20 because eccentric during assembling and produce noise.As another optional real
Mode is applied, mounting groove 22 can also be offered on the second keep plate 20, friction plate 30 is installed on the second keep plate 20
It is feasible.It should also be noted that, in two kinds of above-mentioned embodiments, friction plate 30 is in the first keep plate 10 and the second system
Width between dynamic plate 20 refers to the thickness that friction plate 30 protrudes relative to the surface of the first keep plate 10 or the second keep plate 20
Degree.Preferably, friction plate 30 is adhesively fixed in mounting groove 22 by anaerobic adhesive.Optionally, by connector by friction plate 30
It is fixed in mounting groove 22 and feasible.
As depicted in figs. 1 and 2, in the technical scheme of embodiment one, friction plate 30 is annular, as shown in figure 4, installation
Groove 22 is annular groove.
In the technical scheme of embodiment one, brake also includes actuator 40, and second can be driven by actuator 40
Keep plate 20 is relative to the first keep plate 10 closer or far from more convenient realizing braking.As a kind of optional implementation
Mode, as depicted in figs. 1 and 2, brake also include stator 50, and actuator 40 includes skeleton 41, excitation winding 42 and spring 43,
Skeleton 41 is arranged on stator 50, and excitation winding 42 is arranged on skeleton 41.Spring 43 is arranged on stator 50 and made with second
Dynamic plate 20 connects, and the second keep plate 20 is made up of ferrimagnet.When in use, first excitation winding 42 is powered, makes its attraction
Second keep plate 20.When needing braking, excitation winding 42 is powered off, the second keep plate 20 is in the presence of spring 43 close to the
The motion of one keep plate 10 is braked.As a preferred embodiment, spring 43 is torsion spring.In the skill of embodiment one
When art scheme carries out rigidity braking, torsion spring can reduce the second keep plate 20 and be rushed relative to caused by the first keep plate 10
Hit so that rigidity braking is more stable.
Optionally, in the technical scheme of embodiment one, torsion spring is 6, is uniformly distributed on stator 50.
As shown in figure 5, in the technical scheme of embodiment one, formed with positioning convex column 51, the second keep plate on stator 50
The slot 23 being engaged with positioning convex column is offered on 20.By the cooperation of positioning convex column 51 and slot 23, can more consolidate
Ground is installed by the second keep plate 20.In use, placing the excitation winding 42 after insulation protection in the notch of stator 50, winding 42 is encouraged
By skeleton 41, coiling forms under frock and technique.Excitation winding 42 is interference fitted with stator 50, makes excitation by interference power
Winding 42 and its skeleton 41 are fixed in stator slot, are subsequently placed into the second keep plate 20, the second keep plate 20 is by being provided with slot
23 coordinate with positioning convex column 51 on stator 50.Optionally, it is also feasible that skeleton 41 is handled with stator 50 by epoxy resin encapsulated
's.
In the technical scheme of embodiment one, as depicted in figs. 1 and 2, brake also includes end cap 60, end cap 60 and stator
50 are connected, formed with installation cavity between stator 50 and end cap 60.First keep plate 10, the second keep plate 20, friction plate 30 with
It is overall to form relatively independent brake and actuator 40 is respectively positioned in installation cavity, in order to use.Preferably, stator 50
It is structure as a whole with end cap 60.So only need that just blank can be cast integrally by mould, then carry out one of machining processes,
Processing cost greatly reduces.On the other hand, the stator 50 of the structure and the increase of the bonded area of end cap 60, radiating is good, and temperature rise is low.
In embodiment not shown in figure, brake of the present utility model also includes embodiment two, implements two technology
Scheme is compared with the technical scheme of embodiment one, is differed only in, and braking projection 11, the first system are provided with the second keep plate 20
The braking chute 21 being engaged with braking projection 11 is offered on dynamic plate 10., equally can be with using the technical scheme of embodiment two
When friction plate 30 damages or surprisingly fails, using braking projection 11 and the rigid braking of the cooperation progress of chute 21 is braked,
The braking of brake is still ensured that, improves reliability and the life-span of brake, the friction for effectively solving brake in the prior art
After piece breakage the problem of meeting direct brake fade.
In the technical scheme of embodiment two, multiple braking projections 11 are uniformly distributed on the second keep plate 20, corresponding
Ground, multiple braking chutes 21 are uniformly distributed on the first keep plate 10.Preferably, multiple braking projections 11 are in the second keep plate 20
On be distributed in a ring, accordingly, it is multiple braking chutes 21 be also distributed in a ring on the first keep plate 10.
In the technical solution of the utility model, stator 50, the first keep plate 10 and the material of the second keep plate 20 are soft magnetism
Material electrical pure iron.Other, being all using good materials of magnetic property such as soft magnetic materials punching or silicon steel sheet or No. 10 steel can
Capable, all in the scope of protection of the utility model.
The utility model additionally provides a kind of servo-drive system, and the servo-drive system includes above-mentioned brake.Employ above-mentioned
The servo-drive system of brake using braking projection 11 and can brake cunning when friction plate 30 damages or surprisingly fails
Groove 21, which coordinates, carries out rigid braking, still ensures that the braking of brake, improves reliability and the life-span of servo-drive system.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that each shown in accompanying drawing for the ease of description
The size of individual part is not to be drawn according to the proportionate relationship of reality.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as awarding
Weigh part for specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：It is similar
Label and letter similar terms is represented in following accompanying drawing, therefore, once be defined in a certain Xiang Yi accompanying drawing, then with
It need not be further discussed in accompanying drawing afterwards.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
In description of the present utility model, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " horizontal,
Vertically, vertically, it is horizontal " and " pushing up, bottom " etc. indicated by orientation or position relationship be normally based on orientation or position shown in the drawings
Relation is put, description the utility model is for only for ease of and simplifies description, in the case where not making opposite explanation, these nouns of locality
Do not indicate that and imply that the device of meaning or element there must be specific orientation or with specific azimuth configuration and operation, because
This is it is not intended that limitation to scope of protection of the utility model；The noun of locality " inside and outside " refers to the wheel relative to each part in itself
Wide is inside and outside.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (15)
- A kind of 1. brake, it is characterised in that including：First keep plate (10), is fixedly connected with part to be braked；Second keep plate (20), movably set relative to first keep plate (10)；Friction plate (30), it is arranged between first keep plate (10) and second keep plate (20)；Braking projection (11), second keep plate are provided with first keep plate (10) or second keep plate (20) (20) the braking chute (21) being engaged with the braking projection (11), the system or on first keep plate (10) are offered The width between first keep plate (10) and second keep plate (20) of dynamic projection (11) is less than the friction plate (30) width between first keep plate (10) and second keep plate (20).
- 2. brake according to claim 1, it is characterised in that the braking projection (11) is multiple, multiple systems Dynamic projection (11) is uniformly distributed on first keep plate (10) or second keep plate (20), accordingly, the system Dynamic chute (21) is also to be multiple, and multiple braking chutes (21) are in second keep plate (20) or first keep plate (10) it is uniformly distributed on.
- 3. brake according to claim 2, it is characterised in that multiple braking projections (11) are in the described first braking It is distributed in a ring on plate (10) or second keep plate (20), accordingly, multiple braking chutes (21) are described the Also it is distributed in a ring on two keep plates (20) or first keep plate (10).
- 4. brake according to claim 1, it is characterised in that first keep plate (10) and/or second system Dynamic plate (20) is circular slab.
- 5. brake according to any one of claim 1 to 4, it is characterised in that the braking chute (21) is arc Chute.
- 6. brake according to any one of claim 1 to 4, it is characterised in that the braking projection (11) is cylinder Shape projection.
- 7. brake according to claim 1, it is characterised in that first keep plate (10) or second keep plate (20) mounting groove (22) is offered on, the friction plate (30) is arranged on the mounting groove (22).
- 8. brake according to claim 7, it is characterised in that the friction plate (30) is annular, the mounting groove (22) it is annular groove.
- 9. brake according to claim 1, it is characterised in that the brake also includes actuator (40), the drive Moving part (40) be used for drive second keep plate (20) relative to first keep plate (10) closer or far from.
- 10. brake according to claim 9, it is characterised in that the brake also includes stator (50), the driving Part (40) includes：Skeleton (41), on the stator (50)；Winding (42) is encouraged, is arranged on the skeleton (41)；Spring (43), it is arranged on the stator (50) and is connected with second keep plate (20), second keep plate (20) it is made up of ferrimagnet.
- 11. brake according to claim 10, it is characterised in that the spring (43) is torsion spring.
- 12. brake according to claim 10, it is characterised in that formed with positioning convex column on the stator (50) (51) slot (23) being engaged with the positioning convex column, is offered on second keep plate (20).
- 13. brake according to claim 10, it is characterised in that the brake also includes end cap (60), the end Lid (60) is connected with the stator (50), formed with installation cavity between the stator (50) and the end cap (60), described the One keep plate (10), second keep plate (20), the friction plate (30) and the actuator (40) are respectively positioned on the peace In behaveing affectedly.
- 14. brake according to claim 13, it is characterised in that the stator (50) and the end cap (60) are integrated Structure.
- 15. a kind of servo-drive system, including brake, it is characterised in that the brake is any one of claim 1 to 14 institute The brake stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720928722.2U CN207034027U (en) | 2017-07-27 | 2017-07-27 | Brake and servo-drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720928722.2U CN207034027U (en) | 2017-07-27 | 2017-07-27 | Brake and servo-drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207034027U true CN207034027U (en) | 2018-02-23 |
Family
ID=61462990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720928722.2U Active CN207034027U (en) | 2017-07-27 | 2017-07-27 | Brake and servo-drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207034027U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237844A (en) * | 2017-07-27 | 2017-10-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Brake and servo-drive system |
| CN112833117A (en) * | 2021-01-25 | 2021-05-25 | 广东博智林机器人有限公司 | Brake and rotating device with same |
-
2017
- 2017-07-27 CN CN201720928722.2U patent/CN207034027U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237844A (en) * | 2017-07-27 | 2017-10-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Brake and servo-drive system |
| CN112833117A (en) * | 2021-01-25 | 2021-05-25 | 广东博智林机器人有限公司 | Brake and rotating device with same |
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