CN107989928B - A kind of damping brake device - Google Patents
A kind of damping brake device Download PDFInfo
- Publication number
- CN107989928B CN107989928B CN201711052273.0A CN201711052273A CN107989928B CN 107989928 B CN107989928 B CN 107989928B CN 201711052273 A CN201711052273 A CN 201711052273A CN 107989928 B CN107989928 B CN 107989928B
- Authority
- CN
- China
- Prior art keywords
- damping
- braking
- revolving part
- mounting plate
- disk
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/04—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by moving discs or pads away from one another against radial walls of drums or cylinders
- F16D55/14—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by moving discs or pads away from one another against radial walls of drums or cylinders with self-tightening action, e.g. by means of coacting helical surfaces or balls and inclined surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
- F16D65/095—Pivots or supporting members therefor
- F16D65/097—Resilient means interposed between pads and supporting members or other brake parts
- F16D65/0972—Resilient means interposed between pads and supporting members or other brake parts transmitting brake reaction force, e.g. elements interposed between torque support plate and pad
Abstract
The present invention provides a kind of damping brake device, and braking force applying member and retainer are combined into one in the apparatus, makes to brake force applying member and fix with retainer relative position, gap width is pre-adjusted everywhere, is not necessarily to when installation adjust again, easy for installation；Braking force applying member and retainer are moved axially relatively by pyramidal structure itself to center, and stability is good when braking damps；Brake the compressing member spiral axial movement of force applying member, kinematic accuracy is high, and compressing member screw thread is self-locking thread, guarantee that braking damping force smoothly applies, braking damping dynamics will not automatic descending, it is reliable and stable；Return spring auxiliary braking force applying member returns in situ, releasing braking damping force, the steady noiseless of mechanism kinematic；Device is not influenced by revolving part positive and negative rotation direction, and both forward and reverse directions can play braking damping action and braking damping action effect is identical.
Description
Technical field
The present invention relates to a kind of damping brake devices, and in particular to the damping brake device of a kind of pair of revolving part, it is especially suitable
For belonging to machinery field to braking damping, the demanding revolving part of safety and reliability.
Background technique
Damping brake device is widely used to the various fields of military and civilian.Currently, pneumatic, the liquid that are widely used
The terminal brake actuator of the damping deceleration device such as dynamic, electromagnetism is mostly drum-type or disc type damping brake device, but has some
Shortcoming.
If disc brake apparatus brake friction area is small, the brake fluid pressure needed is high, is equipped with the braking dress of hydraulic device
Setting could use；Its brake(-holder) block and brake disc are independently installed, and the relative position of cooperation adjustment between the two is needed after installation, makes to make
The parameters such as dynamic gap reach brake request；When revolving part positive and negative both direction rotation, drum-type list brake(-holder) block can only single-lens reflex camera direction dimension
It holds larger brake force and carries out braking damping, and the brake force very little of opposite direction, braking damping action are very weak；And disc type brake
In, the easy warpage of disk is uneven in brake disc use, and when brake disc is braked, braking damping stability is poor.
The brake efficiency and thermal diffusivity of drum brake are poor, and a large amount of heat can be assembled in braking process, and brake exists
Extremely complex deformation can occur under the influence of high temperature, fading of brake is also easy to produce and the phenomenon that flutters, in addition, drum brake will be determined
The gap of phase instruction brake shoe.Though and the braking damping of drum-type double brake piece when slowing down there are two shoe brake, each direction is also only
It can the main braking damping action of single shoe brake piece.
Summary of the invention
In view of this, the brake apparatus performance is stablized, safe and reliable property the present invention provides a kind of damping brake device
It is high.
A kind of damping brake device, comprising: revolving part, damping piece, friction member, connector and braking force applying member, it is special
Sign is: the revolving part passes through the connector and the connection of the concentric rotation axis of device to be braked and coaxial rotation, the resistance
Damping member is coaxially disposed by the connector and the revolving part, and the damping piece can move axially but not along the revolving part
It is rotated with the revolving part；At least one party is equipped with the friction member in the mating surface of the revolving part and damping piece, and described
The mating surface of revolving part and damping piece is the consistent tapered surface of taper；When braking, the resistance is made by the braking force applying member
Damping member, which is axially moveable, makes the cooperation face contact of itself and the revolving part mutually rub.
The connector includes: connecting shaft, connecting cylinder and stroke bushing；The one end of the connecting shaft and the revolving part connect
It connects, stroke bushing is set on the outer circumference surface of the other end, the inner ring and the connecting shaft of the stroke bushing are affixed；The connection
The inner hole of cylinder is stepped hole, and one end coaxial package is on the outer circumference surface of the stroke bushing, the direct coaxial package of the other end
On the outer circumference surface of the connecting shaft；The outer ring of the connecting cylinder and the stroke bushing passes through the baffle that its end is arranged in
It is affixed, with the connecting shaft clearance fit；The damping piece is sleeved on the connecting cylinder excircle.
The damping piece: including dampened disk and clamping cylinder, the dampened disk and clamping cylinder are sleeved on outside the connecting cylinder
On periphery, wherein the dampened disk is located at the resistance on the outer circumference surface of the connecting cylinder Yu the revolving part opposite end
Buddhist nun's disk is only capable of moving axially along the connecting cylinder；The clamping cylinder is mounted on the outer circle of the connecting cylinder by self-locking thread
Week, and described clamping cylinder one end is contacted with the dampened disk；The braking force applying member pushes the resistance by the clamping cylinder
Damping member is axially moveable.
The braking force applying member includes: brake bar and separate sheet；The brake bar and the clamping cylinder are affixed, swing system
Lever drives the clamping cylinder to move axially while rotation；The separate sheet is sleeved on clamping cylinder excircle, end
The shaft shoulder and the dampened disk are affixed.
It further include resetting apparatus, the resetting apparatus includes: reseting disk, reset spring and spring block plate；In the connection
One end that cylinder is directly sleeved on outside connecting shaft is machined with the annular groove that is used to place resetting apparatus coaxial with its centre bore, tool
Body are as follows: place reseting disk and spring block plate respectively at the both ends of the annular groove axial direction, wherein it is recessed to be located at the annular for reseting disk
The inner bottom surface of slot, the spring block plate and the connecting cylinder are affixed, and do not contact with the revolving part；The reset spring both ends
It is contradicted respectively with the reseting disk and spring block plate；The reseting disk can be under the action of the reset spring restoring force along institute
The axial movement of connecting cylinder is stated to push the dampened disk.
The revolving part: including arresting disc and left mounting plate；The rotary shaft of the left mounting plate and the device to be braked
It is coaxially connected, and the left mounting plate is affixed with the arresting disc and the connecting shaft respectively.
The utility model has the advantages that
(1) revolving part, damping piece are combined by one by connector in the present invention, keep revolving part and damping piece opposite
Position is fixed, and gap width is pre-adjusted everywhere, easy for installation without adjusting again when installation.
(2) present apparatus can play the braking damping action effect of braking damping action and both direction when revolving part positive and negative rotation
Fruit is identical.
(3) mating surface of arresting disc and dampened disk is pyramidal structure, axially automatically same when interaction in braking process
The heart, difficult deformation, stability are good.
(4) by installation clamping cylinder, prevent dampened disk from falling off from connector；Pass through the axial fortune of spiral transmitting of clamping cylinder
Dynamic, kinematic accuracy is high, makes to brake damping force application smoothly.
(5) screw thread for moving compressing member is self-locking thread, guarantees that damping force will not while braking damping force smoothly applies
It voluntarily loses or reduces；Return spring auxiliary braking force applying member releases braking damping force, thus Auxiliary Damping disk and revolving part
Separation, returns to initial position, can reduce impact noise when reset.
(6) by brake bar, brake force can be applied manually；Clamping cylinder, dampened disk and revolving part are driven by separate sheet
Separation can be forced to separate dampened disk with revolving part in reset spring failure.
(7) damping piece is connected by left mounting plate and shell integral with the non-rotating position of braking device, is increased
Big braking damping force, reduces special installing mechanism.
(8) vibration absorber absorbs the vibration generated when damping piece and revolving part contact in braking process, and system is treated in reduction
Determine the impact of device.
(9) whole without redesigning as long as redesigning mounting plate for the device to be braked of polymorphic structure
A damping brake device, improves the applicability of the device；By mounting plate and shell, entire damping brake device can be encapsulated
In a relatively closed space, the safety of periphery personnel and equipment ensure that.
(10) brake force force impeller spiral transmitting is axially moved, and kinematic accuracy is high；The screw thread for moving compressing member is certainly
Screw thread is locked, guarantees that damping force voluntarily will not be lost or reduce while braking damping force smoothly applies.
Detailed description of the invention
Fig. 1 is damping unit outside drawing of the present invention；
Fig. 2 and Fig. 3 is damping unit internal structure chart of the present invention.
Wherein: 1- separate sheet, 2- brake bar, 4- baffle, 5- connecting cylinder, 6- stroke bushing, 7- connecting shaft, the right installation of 8-
Plate, 10- clamping cylinder, 12- reseting disk, 13- spring, 15- spring block plate, 16- dampened disk, 17- arresting disc, the left mounting plate of 19-,
20- friction plate, 21- shell.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is described in further detail.
The present embodiment provides a kind of damping brake device, revolving part and damping piece relative position are solid in the damping brake device
It is fixed, it is easy for installation；And the braking damping action effect of braking damping action and both direction can be played when revolving part positive and negative rotation
It is identical.
As shown in Figure 1-3, the damping brake device includes: that revolving part, damping piece, friction member, connector and brake force are applied
Add part.
Wherein, revolving part includes: left mounting plate 19, arresting disc 17 and connecting shaft 7；Damping piece includes: dampened disk 16 and pressure
Tight cylinder 10；Connector includes: baffle 4, connecting cylinder 5, stroke bushing 6, right mounting plate 8 and shell 21；Braking force applying member includes:
Separate sheet 1 and brake bar 2；Friction member is friction plate 20；Resetting apparatus includes: reseting disk 12, reset spring 13 and spring block plate
15。
Its connection relationship are as follows: shell 21 is the hollow cylindrical structure of both ends open, and left mounting plate 19 and right mounting plate 8 are distinguished
The opening of 21 left and right ends of shell is set, there is through-hole on the outer of right mounting plate 8, the inside of through-hole is equipped with ring-shaped rubber
Column, bolt pass through ring-shaped rubber column and are fixedly connected with right mounting plate 8 with shell 21, the non-rotating portion of shell 21 and device to be braked
Position is fixedly connected, and left mounting plate 19 is fixedly connected with the rotating part of device to be braked, and left mounting plate 19 can be set with to be braked
The coaxial rotation of standby rotary shaft.Left mounting plate 19 and 21 clearance fit of shell guarantee that shell 21 and left mounting plate 19 can be rotating around
Rotary shaft is rotated and is independent of each other.
Connecting shaft 7 is coaxially disposed inside shell 21, one end of connecting shaft 7 is affixed by screw and left mounting plate 19, another
There is gap between end and right mounting plate 8.Right mounting plate 8 is towards being provided with annular protrusion on the end face inside shell 21.
It is successively set with from left to right outside connecting shaft 7: arresting disc 17, dampened disk 16 and clamping cylinder 10.Specifically: it is connecting
Coaxial sleeve is equipped with stroke bushing 6 on the outer circumference surface of 7 right end of axis, and the inner ring of stroke bushing 6 and the excircle of connecting shaft 7 are linked as one
Body.The inner hole of connecting cylinder 5 is stepped hole, and right end coaxial package is on the outer circumference surface of stroke bushing 6, and left end coaxial package is even
On the outer circumference surface of spindle 7.Connecting cylinder 5 and stroke bushing 6 are interference fitted, and with 7 clearance fit of connecting shaft, connecting cylinder 5 can accompany
The circumferentially rotatable movement of journey bushing 6 and axial linear movement.It is provided in the right end end of connecting cylinder 5 for installing baffle 4
Annular groove, baffle 4 are thin rounded flakes, contradict with the end of stroke bushing 6, do not contact with the end of connecting shaft 7.Connecting cylinder 5 is right
The inner peripheral surface face of the outer circumference surface at end and the annular protrusion of right 8 end face of mounting plate cooperates, and moves axially and play the guiding role to it.
Connecting cylinder 5 is directly sleeved on 7 outer portion of connecting shaft and is machined with the annular groove coaxial with its centre bore, and the annular is recessed
Slot is for placing resetting apparatus, and reseting disk 12, reset spring 13, spring block plate 15 are successively sleeved in the annular groove, specifically
Are as follows: reseting disk 12 and spring block plate 15 are placed respectively at the both ends of annular groove axial direction, and wherein it is recessed to be located at the annular for reseting disk 12
The inner bottom surface of slot；Two opposite ends of reseting disk 12 and spring block plate 15 are provided with the shaft shoulder, the both ends of reset spring 13 respectively with
Two shaft shoulders contradict.Reseting disk 12 can under the action of 13 restoring force of reset spring along the axial movement of the connecting cylinder 5 with
Push dampened disk 16.
Dampened disk 16 is sleeved on the excircle of connecting cylinder 5, and friction plate 20 is fixedly mounted on the conical external circle week of dampened disk 16
On face.Clamping cylinder 10 is sleeved on the outer circumference surface of connecting cylinder 5, and one end is contacted with dampened disk 16.Connecting cylinder 5 and clamping cylinder 10
It is provided with mutually matched self-locking thread on the periphery of cooperation, the screw thread of connecting cylinder 5 and clamping cylinder 10 is self-locking thread, is guaranteed
Damping force voluntarily will not be lost or reduce while braking damping force smoothly applies.
Separate sheet 1 is sleeved on 10 excircle of clamping cylinder, outer (the end shaft shoulder) and dampened disk 16 and connects by the way that screw is fixed
It connects, interior edge (inner peripheral surface) is sleeved on the shaft shoulder of clamping cylinder 10 and 16 contact jaw of dampened disk, the interior edge of separate sheet 1 and clamping cylinder
It is not contacted between 10 shaft shoulder.Brake bar 2 is fixedly connected with clamping cylinder 10, axial direction of the brake bar 2 perpendicular to connecting shaft 7.
Arresting disc 17 is fixedly connected with left mounting plate 19, be thus connected axis 7 and arresting disc 17 by left mounting plate 19 with to
The rotating part of brake apparatus is fixedly connected, and three is linked to be an entirety and with the coaxial rotation of the rotary shaft of equipment to be braked.Only
Moving plate 17 is sleeved on outside spring block plate 15, is consistent with 16 conical external circle circumferential surface taper of dampened disk with the opposite face of dampened disk 16
Periphery.
The working principle of the damping brake device are as follows:
When original state: arresting disc 17 and dampened disk 16 do not contact, and arresting disc 17, left mounting plate 19 and connecting shaft 7 exist
Coaxial rotation under the drive of equipment rotary shaft to be braked；Clamping cylinder 10 is contacted with separate sheet 1 at this time, dampened disk 16 does not contact.
Braking process: needing to treat braking equipment when being braked, and swings brake bar 2, and brake bar 2 drives clamping cylinder 10 to revolve
It is moved to the left while turning, separates clamping cylinder 10 with separate sheet 1, contacted with dampened disk 16；And then push dampened disk 16, spring
Block plate 15 overcomes the elastic force of reset spring 13 to move along axial direction to 17 direction of arresting disc, i.e., brake bar 2 drives clamping cylinder 10
Gradually compression dampened disk 16 is moved axially to the left, until dampened disk 16 is contacted by friction plate with arresting disc 17, dampened disk 16
Band movable friction plate 20 compresses arresting disc 17 and is braked.Since dampened disk 16 and arresting disc 17 are pyramidal structure, dampened disk 16 is moved
Dampened disk 16 and arresting disc 17 are to center during dynamic, and braking damping is smooth, and insensitivity is good.
When needing to be reset, opposite direction swings brake bar 2, while drive 10 opposite direction of clamping cylinder of brake bar 2 rotates to the right
It is mobile, it separates clamping cylinder 10 with dampened disk 16, is contacted with separate sheet 1；And then drive dampened disk 16 to move to right by separate sheet 1,
The auxiliary pushing dampened disk 16 under the action of 13 restoring force of reset spring of reseting disk 12 moves to right simultaneously, guarantees reseting disk 12, damping
Disk 16, clamping cylinder 10 are kept in contact gapless, make the steady noiseless of device.
Braking damping action due to dampened disk 16 and arresting disc 17 is the circumference damping of face contact braking everywhere, is applied everywhere
Braking damping pressing force is identical, and frictional force is identical, has latching characteristics, revolving part positive and reverse return between connecting cylinder 5 and clamping cylinder 10
Braking damping action can be played when turning and braking damping action effect is identical.
To prevent maloperation, limiting device is provided with to brake bar 2, in the case where not needing braking, passes through the limit
Device prevents maloperation, causes unnecessary loss；Meanwhile in case of emergency, directly increasing applied brake force can dash forward
The limitation of broken limiting device is implemented to brake to braking device.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (9)
1. a kind of damping brake device, comprising: revolving part, damping piece, friction member, connector and braking force applying member, feature
Be: the revolving part passes through the connector and the connection of the concentric rotation axis of device to be braked and coaxial rotation, the damping
Part is coaxially disposed by the connector and the revolving part, the damping piece can be moved axially along the revolving part but not with
The revolving part rotation；At least one party is equipped with the friction member, and the rotation in the mating surface of the revolving part and damping piece
The mating surface for turning part and damping piece is the consistent tapered surface of taper；When braking, the damping is made by the braking force applying member
Part, which is axially moveable, makes the cooperation face contact of itself and the revolving part mutually rub.
2. damping brake device as described in claim 1, it is characterised in that: the connector includes: connecting shaft (7), connecting cylinder
(5) and stroke bushing (6)；Described connecting shaft (7) one end is connect with the revolving part, is set with stroke on the outer circumference surface of the other end
Bushing (6), the inner ring and the connecting shaft (7) of the stroke bushing (6) are affixed；The inner hole of the connecting cylinder (5) is stepped hole,
One end coaxial package is on the outer circumference surface of the stroke bushing (6), and the direct coaxial package of the other end is in the connecting shaft (7)
Outer circumference surface on；The outer ring of the connecting cylinder (5) and the stroke bushing (6) is solid by the baffle (4) that its end is arranged in
It connects, with the connecting shaft (7) clearance fit；The damping piece is sleeved on the connecting cylinder (5) excircle.
3. damping brake device as claimed in claim 2, which is characterized in that the damping piece: including dampened disk (16) and pressure
Tight cylinder (10), the dampened disk (16) and clamping cylinder (10) are sleeved on the connecting cylinder (5) outer circumference surface, wherein the resistance
Buddhist nun's disk (16) is located on the outer circumference surface of the connecting cylinder (5) and the revolving part opposite end, and the dampened disk is only capable of along institute
Connecting cylinder (5) is stated to move axially；The clamping cylinder (10) is mounted on the outer circle of the connecting cylinder (5) by self-locking thread
Week, and the clamping cylinder (10) one end is contacted with the dampened disk (16)；The braking force applying member passes through the clamping cylinder
(10) damping piece is pushed to be axially moveable.
4. damping brake device as claimed in claim 3, which is characterized in that the braking force applying member include: brake bar (2) and
Separate sheet (1), the brake bar (2) and the clamping cylinder (10) are affixed, swing brake bar (2), drive the clamping cylinder (10)
It is moved axially while rotation；The separate sheet (1) is sleeved on clamping cylinder (10) excircle, the end shaft shoulder and the resistance
Buddhist nun's disk (16) is affixed.
5. a kind of damping brake device as described in claim 3 or 4, which is characterized in that it further include resetting apparatus, the reset dress
Set includes: reseting disk (12), reset spring (13) and spring block plate (15)；Connecting shaft is directly sleeved in the connecting cylinder (5)
(7) one end outside is machined with the annular groove that is used to place resetting apparatus coaxial with its centre bore, specifically: in the annular
Reseting disk (12) and spring block plate (15) are placed in the both ends of groove axial direction respectively, and wherein reseting disk (12) is located at the annular groove
Inner bottom surface, the spring block plate (15) and the connecting cylinder (5) are affixed, and do not contact with the revolving part；The reset spring
(13) both ends are contradicted with the reseting disk (12) and spring block plate (15) respectively；The reseting disk (12) can be in the reset bullet
Along the axial movement of the connecting cylinder (5) to push the dampened disk (16) under the action of spring (13) restoring force.
6. the damping brake device as described in claim 2,3 or 4, which is characterized in that the revolving part: including arresting disc (17) and
Left mounting plate (19)；The left mounting plate (19) connect with the concentric rotation axis of the device to be braked, and the left mounting plate
(19) affixed with the arresting disc (17) and the connecting shaft (7) respectively.
7. damping brake device as claimed in claim 6, which is characterized in that further include right mounting plate (8) and shell (21)；It is described
Shell (21) both ends are open, and left mounting plate (19) and right mounting plate (8) are separately positioned at its both ends open, the rotation
It is internal that part, damping piece, friction member and connector are respectively positioned on shell (21)；Wherein left mounting plate (19) and the shell (21) gap
Cooperation, right mounting plate (8) and the shell (21) are affixed, and the fixed part of the shell (21) and the device to be braked connects
It connects.
8. damping brake device as claimed in claim 7, which is characterized in that in the left mounting plate (19) and shell and/or a left side
The junction of mounting plate (19) and device to be braked is provided with vibration absorber.
9. damping brake device as claimed in claim 4, which is characterized in that the braking force applying member further includes preventing maloperation
Limiting device, the limiting device is provided with braking force threshold, when the braking force value that the braking force applying member applies is greater than
When the braking force threshold of limiting device, the limiting device failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052273.0A CN107989928B (en) | 2017-10-30 | 2017-10-30 | A kind of damping brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052273.0A CN107989928B (en) | 2017-10-30 | 2017-10-30 | A kind of damping brake device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107989928A CN107989928A (en) | 2018-05-04 |
| CN107989928B true CN107989928B (en) | 2019-08-23 |
Family
ID=62030065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711052273.0A Active CN107989928B (en) | 2017-10-30 | 2017-10-30 | A kind of damping brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107989928B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050497B (en) * | 2018-09-05 | 2020-01-17 | 项炳海 | Automobile brake device |
| CN110332258B (en) * | 2019-07-15 | 2020-09-15 | 上海交通大学 | Friction damping and driving limit actuator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB716134A (en) * | 1950-12-08 | 1954-09-29 | Gen Motors Corp | Improvements in power transmission mechanisms for vehicles and control systems thereof |
| DE2414135A1 (en) * | 1974-03-23 | 1975-10-09 | Rudolf Betzing | Combination coupling with flexible and friction element - has adjustable friction load on taper sleeve for varying torque transmission |
| CN1162078A (en) * | 1995-06-28 | 1997-10-15 | 谢兴云 | Normally-closed brake |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9010513B2 (en) * | 2012-07-10 | 2015-04-21 | Borgwarner Inc. | Pneumatic clutch with improved capacity and longevity |
-
2017
- 2017-10-30 CN CN201711052273.0A patent/CN107989928B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB716134A (en) * | 1950-12-08 | 1954-09-29 | Gen Motors Corp | Improvements in power transmission mechanisms for vehicles and control systems thereof |
| DE2414135A1 (en) * | 1974-03-23 | 1975-10-09 | Rudolf Betzing | Combination coupling with flexible and friction element - has adjustable friction load on taper sleeve for varying torque transmission |
| CN1162078A (en) * | 1995-06-28 | 1997-10-15 | 谢兴云 | Normally-closed brake |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107989928A (en) | 2018-05-04 |
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