CN207141044U - Manual emergency release device, vehicle brake assemblies and the rail vehicle of vehicle brake - Google Patents
Manual emergency release device, vehicle brake assemblies and the rail vehicle of vehicle brake Download PDFInfo
- Publication number
- CN207141044U CN207141044U CN201720945039.XU CN201720945039U CN207141044U CN 207141044 U CN207141044 U CN 207141044U CN 201720945039 U CN201720945039 U CN 201720945039U CN 207141044 U CN207141044 U CN 207141044U
- Authority
- CN
- China
- Prior art keywords
- plane
- release device
- actuator
- vehicle brake
- emergency release
- 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.)
- Expired - Fee Related
Links
Landscapes
- Mechanical Control Devices (AREA)
Abstract
The utility model discloses manual emergency release device, vehicle brake assemblies and the rail vehicle of a kind of vehicle brake, the manual emergency release device includes support, actuator, rotation preventive mechanism and tumbler, actuator is provided with the first inclined-plane and the second inclined-plane, and angle is less than angle formed by the axis of the second inclined-plane and actuator formed by the axis of the first inclined-plane and actuator；Rotation preventive mechanism includes dog link, counterpart and joggle piece；Tumbler can limit tumbler rotation or allow tumbler to rotate with joggle piece engagement or disengagement；During the actuator is operatively moved to the second place relative to support from first position, the counterpart is first abutted with the first inclined-plane and abutted again with the second inclined-plane, to drive the rotation preventive mechanism to be moved to from the position of engagement of joggle piece and tumbler the disengaged position of the joggle piece and tumbler.The manual emergency release device substantially reduces the shock and vibration caused by operating physical force, and operation comfort is preferable.
Description
Technical field
It the utility model is related to rail vehicle field, more particularly to a kind of manual emergency release device of vehicle brake,
Vehicle brake assemblies and rail vehicle.
Background technology
When rail vehicle is parked on the line for a long time, to prevent external force effect from car slipping occurs, in most cases can
Apply parking brake.Generally, parking brake power is provided by spring force.In vehicle traveling, it is empty that Parking Brake Cylinders need to be filled with compression
Gas, spring force are cancelled, and now parking brake power can not apply.After vehicle parking, the compressed air row in Parking Brake Cylinders
Go out, so as to which under spring force promotion, brake apparatus successfully applies parking brake power.
When needing mobile vehicle again, it need to first be filled with compressed air and parking brake is discharged.But in emergency circumstances,
Inflation release can not be implemented, then must manually operated emergency release device.After manually operated emergency release device, spring is parked certainly
By extending, promoting piston contact, now spring force is equally cancelled, so that parking brake is successfully released to the bottom of Parking Brake Cylinders
Put.
And existing emergency release device operating physical force is excessive, and very big inconvenience is brought to operating personnel.Urgent release operation
Completed within the short several seconds, excessive operating physical force can cause very big impulsive force and vibration, the abrasion for the part that causes to contact with each other
Aggravation, and it is also very uncomfortable to operate.
The content of the invention
The purpose of this utility model is to provide a kind of manual emergency release device of vehicle brake, vehicle brake assemblies
And rail vehicle, the manual emergency release device substantially reduces the shock and vibration caused by operating physical force, while alleviates zero
The abrasion of part, operation comfort are preferable.
To realize one of above-mentioned purpose of utility model, the embodiment of the utility model one provides a kind of hand of vehicle brake
Dynamic emergency release device, wherein the manual emergency release device includes：
Support, for the manual emergency release device to be connected to the main casing of vehicle brake；
Actuator, the actuator extend along its axis lengthwise and in its axial direction can be by operatively relative to the support
Rectilinear movement, the actuator are provided with the first inclined-plane and the second inclined-plane being connected with first inclined-plane, and described first is oblique
Face is less than second inclined-plane and angle formed by the axis of the actuator with angle formed by the axis of the actuator；
Rotation preventive mechanism, the rotation preventive mechanism include the dog link along the extension of its axis lengthwise, located at described dog link one end
Counterpart and the joggle piece located at the dog link other end, and the axis of the dog link is generally perpendicular to the actuator
Axis；
Tumbler, the tumbler can be limited with the joggle piece engagement or disengagement and rotates or allows the tumbler to turn
It is dynamic, the release of the rotation triggering storing cycle braking of the tumbler；
Wherein, operatively it is moved to the process of the second place from first position relative to the support in the actuator
In, the counterpart is first abutted with first inclined-plane and abutted again with second inclined-plane, to drive the rotation preventive mechanism from institute
The position of engagement for stating joggle piece and tumbler is moved to the disengaged position of the joggle piece and tumbler.
As the further improvement of the utility model embodiment, the manual emergency release device also includes and the drive
Moving part is connected for the operating mechanism of operator's operation.
As the further improvement of the utility model embodiment, the operating mechanism includes being used to connect the actuator
Connector, operated for operator and be detachably arranged at the hawser of the connector.
As the further improvement of the utility model embodiment, the manual emergency release device also includes first and resetted
Spring, when the actuator is released, the (the first back-moving spring promotes the rotation preventive mechanism from the joggle piece with rotating
The disengaged position of part is returned to the position of engagement of the joggle piece and tumbler.
As the further improvement of the utility model embodiment, supporting surface, the master are fixed with the dog link
Stop part is fixed with housing, the (the first back-moving spring is sheathed on the periphery of the dog link, and described first resets bullet
One end of spring is connected to the supporting surface, and the other end of the (the first back-moving spring is connected to the stop part.
As the further improvement of the utility model embodiment, the manual emergency release device also includes second and resetted
Spring, when the actuator is released, the second back-moving spring promote the actuator from the second site reversion to
First position.
As the further improvement of the utility model embodiment, the actuator is provided with to be extended through for the dog link
Through hole, the counterpart is arranged to two, and two counterparts abut with positioned at the inclined-plane of the actuator through hole both sides respectively.
As the further improvement of the utility model embodiment, offseted when the actuator is moved to the dog link
Connect and when the counterpart not yet reaches the end on second inclined-plane, the joggle piece and tumbler are completely disengaged.
As the further improvement of the utility model embodiment, the counterpart is rolling bearing, the rolling bearing
Axis perpendicular to the dog link axis and jointly define the second plane with the axis of the dog link, described second is flat
Axis of the face generally perpendicular to the actuator.
As the further improvement of the utility model embodiment, the rotation preventive mechanism also includes being fixed at the rotation stop
The bearing of bar, the rolling bearing is on the bearing.
As the further improvement of the utility model embodiment, the joggle piece includes the evagination for protruding the dog link
Portion, the male part can be with the tumbler engagement or disengagements.
As the further improvement of the utility model embodiment, the tumbler is the gear with multiple cooperating teeth,
The cooperating teeth has a tooth top and inclined plane, and the inclined plane is angled with the tooth top and from tooth top to moving closer to gear
The direction extension at center, the male part have the scarf of end face and the neighbouring inclined plane, the scarf and the end
Face is angled and extends from the end face to the direction for moving closer to the counterpart.
To realize one of above-mentioned purpose of utility model, embodiment further provides a kind of vehicle braking group for the utility model one
Part, wherein the vehicle brake assemblies include vehicle brake and as described above the manual emergency release described in any one technical scheme
Device, the manual emergency release device are used to discharge the vehicle system when the vehicle brake is in parking brake state
Dynamic device.
To realize one of above-mentioned purpose of utility model, the utility model one embodiment further provides a kind of rail vehicle,
Including vehicle brake assemblies, wherein the vehicle brake assemblies are included described in vehicle brake and as described above any one technical scheme
Manual emergency release device, the manual emergency release device be used for when the vehicle brake is in parking brake state
Discharge the vehicle brake.
Compared with prior art, the technical scheme of the application, when the actuator is operated, it is relative to the support
During being moved to the second place from first position, the counterpart first abuts again oblique with described second with first inclined-plane
Face abuts.When the first inclined-plane of actuator abuts the counterpart of driving dog link, dog link is driven from inactive state to fortune
Dynamic state transformation, the frictional force that now moving dog link needs to overcome is stiction.When actuator is moved to its second inclined-plane
When abutting the counterpart of driving dog link, due to state of the dog link in motion, now moving dog link needs to overcome
Frictional force be kinetic force of friction.Because confficient of static friction is more than the coefficient of kinetic friction, therefore driving dog link is abutted on the first inclined-plane
When need the stiction numerical value that overcomes relatively large.By the first inclined-plane abutted first with counterpart with driving in the utility model
The second inclined-plane and the angle of the axis of actuator that the angle of the axis of moving part abuts after being set smaller than with counterpart, so as to
The operating physical force required by alleviation parking brake is substantially reduced, therefore the manual emergency release device substantially reduces operating physical force institute
Caused by shock and vibration, while alleviate the abrasion of part, operation comfort is preferable.
Brief description of the drawings
Fig. 1 is the decomposition texture schematic diagram of manual emergency release device in the utility model embodiment；
Fig. 2 is the longitudinal sectional view of manual emergency release device in the utility model embodiment, now joggle piece
Engaged with tumbler；
Fig. 3 is the transverse sectional view of manual emergency release device in the utility model embodiment, now joggle piece
Engaged with tumbler；
Fig. 4 is the front view of the actuator of manual emergency release device in the utility model embodiment；
Fig. 5 is the longitudinal sectional view of manual emergency release device in the utility model embodiment, now joggle piece
It will be disengaged with tumbler；
Fig. 6 is the transverse sectional view of manual emergency release device in the utility model embodiment, now joggle piece
It will be disengaged with tumbler；
Fig. 7 is joggle piece and the close-up schematic view of tumbler engagement place in Fig. 6.
Embodiment
The application is described in detail below with reference to embodiment shown in the drawings.But these embodiments are simultaneously
The application is not limited, structure that one of ordinary skill in the art is made according to these embodiments, method or functionally
Conversion is all contained in the protection domain of the application.
In each diagram of the application, for the ease of diagram, structure or partial some sizes can be relative to other knots
Structure or part are exaggerated, and therefore, are only used for illustrating the basic structure of the theme of the application.
In addition, it is used herein for example " on ", " top ", " under ", the term of the representation space relative position such as " lower section " be
A unit as shown in the drawings or feature are described relative to another unit or feature for the purpose of explanation is easy to
Relation, not between component parts position relationship relative to each other limitation.The term of relative space position can be intended to include setting
The standby different azimuth in use or work in addition to orientation shown in figure.If for example, by figure equipment overturn, by
Be described as positioned at other units or feature " lower section " or " under " unit will be located at other units or feature " top ".
In an embodiment of the present utility model, rail vehicle includes vehicle brake assemblies, vehicle braking group
Part includes vehicle brake and manual emergency release device, and manual emergency release device is used to be in parking brake state in vehicle
When discharge storing cycle braking.
The installation site of vehicle brake assemblies relative orbit vehicle, and vehicle brake and manual emergency release device
Connected mode, those skilled in the art can skillfully be grasped by prior art, and in this not go into detail.
As shown in Figures 1 to 4, in one embodiment of the utility model, the manual emergency of vehicle brake is released
Putting device includes：Support 10, actuator 12, rotation preventive mechanism 14 and tumbler 16.
Support 10 is used for the main casing 18 that manual emergency release device is connected to vehicle brake.In the present embodiment,
Support 10 is connected on main casing 18 by two screws 20, it is of course also possible to use support 10 is connected to by other connected modes
On main casing 18.
Actuator 12 extends along its axis lengthwise and can operatively moved linearly in its axial direction relative to support 10, drives
Moving part 12 is provided with the first inclined-plane 22 and the second inclined-plane 24 being connected with the first inclined-plane 22, the first inclined-plane 22 and actuator 12
Angle a formed by axis is less than the second inclined-plane 24 and angle b formed by the axis of actuator 12.Driving shown in the present embodiment
Part includes two inclined-planes with different angle, and actuator can also be arranged to the inclined-plane for including two or more different angle.
Rotation preventive mechanism 14 includes the dog link 28 along the extension of its axis lengthwise, the and of counterpart 30 located at the one end of dog link 28
In the joggle piece 32 of the other end of dog link 28, this preferred embodiment, the axis of dog link 28 is generally perpendicular to actuator 12
Axis.
Further reference picture 5 and Fig. 6, tumbler 16 can with the engagement or disengagement of joggle piece 32, when tumbler 16 is with engaging
When part 32 engages, the rotation of tumbler 16 is limited, when tumbler 16 and the disengagement of joggle piece 32, it is allowed to which tumbler 16 rotates.
When the rotation of tumbler 16 is limited, that is, tumbler 16 can not rotate, vehicle brake is in parking brake state.And
When tumbler 16 can rotate, the rotation of tumbler 16 can trigger the release of storing cycle braking.
Specifically, the process of the second place is operatively moved to from first position relative to support 10 in actuator 12
In, counterpart 30 is first abutted and is driven with the first inclined-plane 22 and abuts and be driven, rotation preventive mechanism with the second inclined-plane 24 again
14 are moved to the disengaged position of joggle piece 32 and tumbler 16 by driving from the position of engagement of joggle piece 32 and tumbler 16.
In the present embodiment, when actuator 12 is operated, it is moved to the second place relative to support 10 from first position
During, counterpart 30 is first abutted with the first inclined-plane 22 and abutted again with the second inclined-plane 24, and when counterpart 30 and actuator 12
The first inclined-plane abut and when being driven, dog link 28, which is driven from inactive state to motion state, to be changed, and now drives rotation stop
It is stiction that bar, which needs the frictional force that overcomes, because confficient of static friction is more than the coefficient of kinetic friction, it is therefore desirable to which what is overcome quiet rubs
It is relatively large to wipe power numerical value.The first inclined-plane 22 abutted first with counterpart 30 is arranged to the angle with the axis of actuator 12
Less than the second inclined-plane 24 and the angle of the axis of actuator 12 abutted afterwards with counterpart 30, stop so as to substantially reduce alleviation
Put the operating physical force needed for brake.Therefore the manual emergency release device substantially reduces the impact caused by operating physical force and shaken
It is dynamic, while the abrasion of part is alleviated, operation comfort is preferable.And the actuator 12 of the present embodiment is provided with the He of the first inclined-plane 22
Second 24 two, inclined-plane inclined-plane so that manual emergency release device is not changing installing space, device volume and increase cost
In the case of, solve the uncomfortable technical problem of operation.
In addition, it is the first plane that definition, which passes through the axis of actuator 12 and the plane of the axis perpendicular to dog link 28, the
One inclined-plane 22 and the second inclined-plane 24 are located at the both sides of the first plane.In the present embodiment, the first inclined-plane 22 and the second inclined-plane 24 are smooth
Connection, specifically, it is in smoothing junction by circular arc between the first inclined-plane 22 and the second inclined-plane 24,
The first stop surface 36, the first stop surface 36 and the first inclined-plane are provided between first inclined-plane 22 and the periphery of actuator 12
22 is in smoothing junction also by circular arc, specifically, axis of first stop surface 36 perpendicular to actuator 12.Second inclined-plane 24 and driving
The second stop surface 38 is provided between the periphery of part 12, and the second stop surface 38 and the second inclined-plane 24 are in smoothing junction also by circular arc,
Specifically, the second stop surface 38 is also perpendicularly to the axis of actuator 12.
Actuator 12 is additionally provided with the through hole 40 extended through for dog link 28, and it is oblique in the both sides of through hole 40 to be provided with first
The inclined-plane 24 of face 22 and second.In the present embodiment, counterpart 30 is arranged to two, and the of one of counterpart 30 and wherein side
One inclined-plane 22 and the second inclined-plane 24 abut against, and the first inclined-plane 22 and second of other in which counterpart 30 and wherein opposite side is oblique
Face 24 abuts against.It is arranged such, makes the driving between actuator 12 and dog link 28 relatively reliable steady.
Specifically, through hole 40 passes through the axis of actuator 12, two counterparts 30 are located at the axis of dog link 28 respectively
Both sides, and two counterparts 30 are set relative to the axisymmetrical of dog link 28, it is of course also possible to the according to the both sides of through hole 40
The setting on one inclined-plane 22 and the second inclined-plane 24, two counterparts 30 set relation using corresponding position, such as asymmetric to set.
In the present embodiment, support 10 has along longitudinal hollow bulb 42 of its axis extension and extended along axis is approximately perpendicular to
Lateral hollow portion 43, longitudinal hollow bulb 42 connects with lateral hollow portion 43, and dog link 28 is through lateral hollow portion 43,
Actuator 12 is located in longitudinal hollow bulb 42.
Further, counterpart 30 is rolling bearing, specifically, axis of the axis of rolling bearing perpendicular to dog link 28
And jointly define the second plane, axis of second plane generally perpendicular to actuator 12 with the axis of dog link 28.So set
Put, the frictional force between the inclined-plane 22 of counterpart 30 and first and the second inclined-plane 24 is smaller so that operate more laborsaving, easypro
It is suitable.
Rotation preventive mechanism 14 also includes the bearing 44 for being fixed at dog link 28, and rolling bearing is on bearing 44, wherein rolling
The endoporus of dynamic bearing is connected by being interference fitted with bearing 44.Specifically, bearing 44 is fixed at by screw 46 and packing ring 48
On dog link 28, certainly, other connected modes can also be used between bearing 44 and dog link 28.
For convenience of operation, manual emergency release device also includes with actuator 12 being connected for the operation of operator's operation
Mechanism.When operating operating mechanism, so that it may drive actuator 12 to be moved relative to support 10 from first position to second place straight line
It is dynamic, and the first inclined-plane 22 and the second inclined-plane 24 due to actuator 12 abut with the counterpart 30 of rotation preventive mechanism 14, it is whole at its
In moving process, counterpart 30 first abuts with the first inclined-plane 22, and when it is moved to certain position, counterpart 30 is oblique with second again
Face 24 is coupled, so as to promote joggle piece 32 to be moved from the position of engagement with tumbler 16 to the disengaged position of tumbler 16.
In the present embodiment, operating mechanism include be used for connect actuator 12 connector 50, for operator operation and it is removable
It is located at the hawser 52 of connector 50 with unloading.Specifically, connector 50 is opening screw, actuator 12 has internal thread hole, opening
Screw thread is connected in the internal thread hole of actuator 12.Opening screw has the He of opening portion 54 for loading or disassembling hawser 52
Stopper section 56, hawser 52 are assemblied on opening screw and by the backstop of stopper section 56, so that hawser 52 be connected to from opening portion 54
Connector 50.Certainly, operating mechanism is it can also be provided that leverage or other types of operating mechanism etc..
Further, manual emergency release device also includes (the first back-moving spring 58, when actuator 12 is released, first
Back-moving spring 58 promotes rotation preventive mechanism 14 to be returned to joggle piece 32 and tumbler from the disengaged position of joggle piece 32 and tumbler 16
16 position of engagement.
In the present embodiment, (the first back-moving spring 58 is compression spring, and (the first back-moving spring 58 is sheathed on the outer of dog link 28
Enclose.Supporting surface 60 is fixed with dog link 28, stop part 62 is fixed with main casing 18, (the first back-moving spring 58 is sheathed on
The periphery of dog link 28, and one end of (the first back-moving spring 58 is connected to supporting surface 60, the other end of (the first back-moving spring 58 supports
It is connected to stop part 62.Specifically, the periphery of dog link 28 is cylinder, on dog link 28 interference be provided with bushing 64, supporting surface 60
For the end face of bushing 64, there is certain interval between bushing 64 and main casing 18, such arresting lever can move together with bushing 64.
Certainly, (the first back-moving spring 58 is it can also be provided that other types of spring, such as extension spring.
Further, manual emergency release device also includes second back-moving spring 66, when actuator 12 is released, second
Back-moving spring 66 promotes actuator 12 from second site reversion to first position.
Second back-moving spring 66 is also compression spring, and second back-moving spring 66 is sheathed on the periphery of actuator 12.Second is multiple
One end of position spring 66 is connected on actuator 12, and the other end of second back-moving spring 66 is connected on support 10.Specifically, drive
Moving part 12 is provided with the bearing surface 68 abutted for one end of second back-moving spring 66, is provided with longitudinal hollow bulb of support 10 spacing
Packing ring 70, the other end of second back-moving spring 66 are connected to limiting gasket 70.Equally, second back-moving spring 66 it can also be provided that
Other types of spring, such as extension spring.
In addition, abutted against when actuator 12 is moved to dog link 28 and counterpart 30 not yet reaches the end on the second inclined-plane 24
During end, joggle piece 32 and tumbler 16 are completely disengaged.So as to not only prevent (the first back-moving spring 58 to be overly compressed, Er Qiefang
Stop the stress of counterpart 30 excessive and damaged.
As shown in Fig. 1, Fig. 6 and Fig. 7, further, joggle piece 32 includes the male part 72 of protrusion dog link 28, male part
72 can be with the engagement or disengagement of tumbler 16.Tumbler 16 is the gear with multiple cooperating teeth 74, and cooperating teeth 74 has tooth top 76
With inclined plane 78, inclined plane 78 is angled with tooth top 76 and extends from tooth top 76 to the direction at the center for moving closer to gear, outside
Convex portion 72 has a scarf 82 in end face 80 and adjacent tilted face 78, scarf 82 it is angled with end face 80 and from end face 80 to by
Gradually extend close to the direction of counterpart 30.
When actuator 12, which is operated, to be moved from first position to the second place, due to the inclined-plane 22 of counterpart 30 and first and
The abutting on the second inclined-plane 24, promote dog link 28 from the position of engagement of joggle piece 32 and tumbler 16 to joggle piece 32 and tumbler
16 disengaged position movement.Contacted when dog link 28 is moved to the scarf 82 of male part 72 with the inclined plane 78 of cooperating teeth 74
When, the abutment of counterpart 30 and actuator 12 is located on the second inclined-plane 24, so as to stop by the rotation of tumbler 16, promotion
Bull stick 28 moves to the disengaged position of joggle piece 32 and tumbler 16, saves the strength of operator.In addition, set in male part 72
There is scarf 82, cooperating teeth 74 is provided with inclined plane 78, not only allows joggle piece 32 smoothly to disengage tooth 74, but also
The pulling force of operator can be made steadily to reduce, further prevent pulling force to be impacted caused by being mutated.
In addition, dog link 28 has enough strokes, it is ensured that after joggle piece 32 departs from cooperating teeth 74, joggle piece 32 is with coordinating
There are enough gaps between the tooth top 76 of tooth 74, so as to prevent beating tooth.
As shown in Figures 2 and 3, in the present embodiment, before hawser 52 is pulled, work of the actuator 12 in second back-moving spring 66
First position is held under, meanwhile, dog link 28 is held in joggle piece 32 with rotating in the presence of (the first back-moving spring 58
The position of engagement of part 16, now vehicle brake be in parking brake state.
As shown in Figures 5 to 7, when pulling hawser 52, hawser 52 drives actuator 12 from first by connector 50
Put to the second place and move, now second back-moving spring 66 is compressed, simultaneously because the inclined-plane 22 and second of counterpart 30 and first
The abutting on inclined-plane 24, the movement of actuator 12 promote dog link 28 from the position of engagement of joggle piece 32 and tumbler 16 to joggle piece
32 move with the disengaged position of tumbler 16, while (the first back-moving spring 58 is compressed, and pull hawser 52 until joggle piece 32
Disengaged with tumbler 16, now the parking brake of vehicle is released.
Further, when operator discharges hawser 52, actuator 12 is under the active force of second back-moving spring 66 from the
Two positions are returned to first position, and dog link 28 is under the active force of (the first back-moving spring 58 from joggle piece 32 and tumbler 16
Disengaged position is returned to the position of engagement of joggle piece 32 and tumbler 16.
It is appreciated that after applying a release movement, vehicle brake is at release conditions.Now stop applying release
Power, dog link 28 can be returned to from the disengaged position of joggle piece 32 and tumbler 16 under the active force of (the first back-moving spring 58 and nibble
The position of engagement of component 32 and tumbler 16.When needing vehicle brake returning back to parking brake state again, it is necessary to
Compressed air is filled with vehicle brake Parking Brake Cylinders, so that Parking Brake Cylinders internal mechanism return, is then vented, vehicle
Brake is just returned to parking brake state.Applied again by hawser 52 and can be stopped when parking release operating physical force with discharging again
Put on-position.
It should be appreciated that although the present specification is described in terms of embodiments, not each embodiment only includes one
Individual independent technical scheme, this narrating mode of specification is only that those skilled in the art will should say for clarity
For bright book as an entirety, the technical scheme in each embodiment may also be suitably combined to form those skilled in the art can
With the other embodiment of understanding.
Those listed above it is a series of describe in detail only for the application feasibility embodiment specifically
Bright, they are simultaneously not used to limit the protection domain of the application, all equivalent implementations made without departing from the application skill spirit
Or change should be included within the protection domain of the application.
Claims (14)
1. the manual emergency release device of a kind of vehicle brake, it is characterised in that the manual emergency release device includes：
Support, for the manual emergency release device to be connected to the main casing of vehicle brake；
Actuator, the actuator extend along its axis lengthwise and in its axial direction can be by operatively straight lines relative to the support
Mobile, the actuator is provided with the first inclined-plane and the second inclined-plane being connected with first inclined-plane, first inclined-plane with
Angle formed by the axis of the actuator is less than second inclined-plane and angle formed by the axis of the actuator；
Rotation preventive mechanism, the rotation preventive mechanism include the dog link along the extension of its axis lengthwise, matching somebody with somebody located at described dog link one end
Fitting and the joggle piece located at the dog link other end, and the axis of the dog link is generally perpendicular to the axle of the actuator
Line；
Tumbler, the tumbler can be limited with the joggle piece engagement or disengagement and rotates or allows the tumbler to rotate,
The release of the rotation triggering storing cycle braking of the tumbler；
Wherein, during the actuator is operatively moved to the second place relative to the support from first position,
The counterpart is first abutted with first inclined-plane and abutted again with second inclined-plane, to drive the rotation preventive mechanism to be nibbled from described
The position of engagement of component and tumbler is moved to the disengaged position of the joggle piece and tumbler.
2. the manual emergency release device of vehicle brake according to claim 1, it is characterised in that the manual emergency
Release device also includes with the actuator being connected for the operating mechanism of operator's operation.
3. the manual emergency release device of vehicle brake according to claim 2, it is characterised in that the operating mechanism
Including the connector for connecting the actuator, operated for operator and be detachably arranged at the hawser of the connector.
4. the manual emergency release device of vehicle brake according to claim 1, it is characterised in that the manual emergency
Release device also includes (the first back-moving spring, and when the actuator is released, the (the first back-moving spring promotes the rotation stop
Mechanism is returned to the position of engagement of the joggle piece and tumbler from the disengaged position of the joggle piece and tumbler.
5. the manual emergency release device of vehicle brake according to claim 4, it is characterised in that on the dog link
Supporting surface is fixed with, stop part is fixed with the main casing, the (the first back-moving spring is sheathed on the dog link
Periphery, and one end of the (the first back-moving spring is connected to the supporting surface, the other end of the (the first back-moving spring is connected to
The stop part.
6. the manual emergency release device of vehicle brake according to claim 4, it is characterised in that the manual emergency
Release device also includes second back-moving spring, and when the actuator is released, the second back-moving spring promotes the driving
Part is from the second site reversion to first position.
7. the manual emergency release device of vehicle brake according to claim 1, it is characterised in that the actuator is set
Have a through hole extended through for the dog link, the counterpart is arranged to two, two counterparts respectively with positioned at the drive
The inclined-plane of moving part through hole both sides abuts.
8. the manual emergency release device of vehicle brake according to claim 7, it is characterised in that when the actuator
Be moved to and abutted against with the dog link and when the counterpart not yet reaches the end on second inclined-plane, the joggle piece with
Tumbler is completely disengaged.
9. the manual emergency release device of vehicle brake according to claim 1, it is characterised in that the counterpart is
Rolling bearing, the axis of the rolling bearing perpendicular to the dog link axis and with the axis common definition of the dog link
Second plane, axis of second plane generally perpendicular to the actuator.
10. the manual emergency release device of vehicle brake according to claim 9, it is characterised in that the rotation stop machine
Structure also includes the bearing for being fixed at the dog link, and the rolling bearing is on the bearing.
11. the manual emergency release device of vehicle brake according to claim 1, it is characterised in that the joggle piece
Male part including protruding the dog link, the male part can be with the tumbler engagement or disengagement.
12. the manual emergency release device of vehicle brake according to claim 11, it is characterised in that the tumbler
For the gear with multiple cooperating teeth, the cooperating teeth has tooth top and inclined plane, and the inclined plane is at an angle of with the tooth top
And extend from tooth top to the direction at the center for moving closer to gear, the male part has end face and adjacent to the oblique of the inclined plane
Section, the scarf is angled with the end face and extends from the end face to the direction for moving closer to the counterpart.
13. a kind of vehicle brake assemblies, it is characterised in that the vehicle brake assemblies include vehicle brake and such as claim
Manual emergency release device any one of 1 to 12, the manual emergency release device are used in the vehicle brake
The vehicle brake is discharged during in parking brake state.
14. a kind of rail vehicle, including vehicle brake assemblies, it is characterised in that the vehicle brake assemblies are braked including vehicle
Device and the manual emergency release device as any one of claim 1 to 12, the manual emergency release device are used for
The vehicle brake discharges the vehicle brake when being in parking brake state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720945039.XU CN207141044U (en) | 2017-07-31 | 2017-07-31 | Manual emergency release device, vehicle brake assemblies and the rail vehicle of vehicle brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720945039.XU CN207141044U (en) | 2017-07-31 | 2017-07-31 | Manual emergency release device, vehicle brake assemblies and the rail vehicle of vehicle brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207141044U true CN207141044U (en) | 2018-03-27 |
Family
ID=61673458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720945039.XU Expired - Fee Related CN207141044U (en) | 2017-07-31 | 2017-07-31 | Manual emergency release device, vehicle brake assemblies and the rail vehicle of vehicle brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207141044U (en) |
-
2017
- 2017-07-31 CN CN201720945039.XU patent/CN207141044U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9714040B2 (en) | Unit brake | |
| JP2015536865A (en) | Spring operated parking brake with ball screw reset mechanism | |
| CN100545019C (en) | Be used for using automatically and discharging the two-stage cylinder of the hand brake of guideway vehicle | |
| CN106976812A (en) | A kind of chain block is unloaded, band carries lifting speed mapping device | |
| CN207141044U (en) | Manual emergency release device, vehicle brake assemblies and the rail vehicle of vehicle brake | |
| US20110318148A1 (en) | Cable reeving system for lifting and loading | |
| CN107650921A (en) | A kind of power suspension member for being used to hang car body | |
| US10144624B1 (en) | Mute hand winch | |
| CN202226600U (en) | Inertia braking device for lifting winch | |
| CN107337138B (en) | A kind of brake apparatus for the positioning winch that anchors | |
| CN101253350B (en) | Actuator | |
| CN106744446B (en) | The electric block that scheduling process transports plant equipment is manufactured for workshop | |
| CN106542245A (en) | A kind of compartment removable garbage truck torque arm retaining mechanism | |
| AU2010100348B4 (en) | Parking brake | |
| CN105129655A (en) | Novel lever hoist | |
| CN103921799B (en) | Dump truck | |
| CN106494479B (en) | A kind of engine cylinder cover line reprocesses vehicle | |
| CN201390617Y (en) | Pneumatic balance crane | |
| CN204569278U (en) | Water brake release gear | |
| CN204917819U (en) | Novel lever block | |
| CN203451156U (en) | Pneumatic hoist clutch brake | |
| CN105084242A (en) | Clutch of lever hoist | |
| EP2857709B1 (en) | Brake calliper | |
| CN209273291U (en) | Overturn tooling | |
| CN208037904U (en) | Double hook chain block |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180327 |