CN104455113B - Rail locomotive car braking nipper units - Google Patents
Rail locomotive car braking nipper units Download PDFInfo
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- CN104455113B CN104455113B CN201410558651.2A CN201410558651A CN104455113B CN 104455113 B CN104455113 B CN 104455113B CN 201410558651 A CN201410558651 A CN 201410558651A CN 104455113 B CN104455113 B CN 104455113B
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Abstract
The invention belongs to rail locomotive vehicle brake technology field, relate to a kind of rail locomotive car braking nipper units, including casing, checking cylinder, brake force enlarger, brake clip tong arm, buffer unit and brake lining slack adjuster, checking cylinder is fixing with casing to be connected, and reset tower spring is fixed between checking cylinder cylinder cap and lamina membranacea；Eccentric shaft and connecting rod composition eccentric shaft type lever；Actively brake clip tong arm is hinged with eccentric shaft, and passive brake clip tong arm is hinged with casing；Lever hook force side keeps at a certain distance away with the connecting rod end of brake force enlarger, and lever hook force side is connected with push rod, and buffer spring is between casing and lever hook force side；The transverse width of brake clamp unit is little, reduces piston diameter and holder arms multiplying power, reduces the requirement to energy-storaging spring of the spring Parking Brake Cylinders, reduces the volume of rail locomotive car braking nipper units；Install applied widely, the degree of modularity is high, multiple functional.
Description
Technical field
The invention belongs to rail locomotive vehicle brake technology field, relate to a kind of rail locomotive car braking nipper units, be a kind of
It is installed on the rail locomotive bogie of car, is used for performing braking instruction, produces or eliminate brake pad pressure.
Background technology
Brake clamp unit is the vitals of rail locomotive vehicle, is generally used for the higher railway locomotive of speed, city rail
Vehicle, common railway passenger vehicle, EMU etc. use the rail locomotive vehicle of disc braking, it is achieved the sky of rail locomotive vehicle
Gas braking and parking brake.
The installation form of current existing brake clamp unit mainly has: distributing 3 lifting and link are installed, every kind of installation
Form has respective distinctive agent structure, and additionally its agent structure degree of modularity is the highest, dismounting inconvenience, maintenance complexity.
Existing brake clamp unit has common feature, and brake piston is parallel with brake plate support traffic direction, causes brake clamp
The transverse width of unit is bigger.Brake clamp unit main body structure is without internal structure for amplifying, same in order to be issued at same air pressure
The brake pad pressure of sample, needs bigger piston diameter or holder arms multiplying power, causes the radial space of brake clamp unit main body
And the length of holder arms is bigger；It addition, then need that there is parking of bigger energy-stored spring to reach same brake pad pressure
Checking cylinder, so current existing brake clamp unitary space volume is bigger.
Chinese patent CN102109020 discloses a kind of disc type brake gripping mechanism for railway vehicles, and brake bar mechanism, by relatively
Arrange two brake bars and be located between described two brake bars suspension arm composition, the two ends of described suspension arm respectively with described two-system
The middle part of lever is flexibly connected so that described two brake bars are in the same plane with the two ends of described suspension arm as fulcrum；Described
The middle part of suspension arm is provided with for hanging the hanging end on engine truck；A pair brake plate support, is respectively provided at described two brake bars
Inner side, and be positioned at the same of described suspension arm；Checking cylinder is arranged on the opposite side of described suspension arm and connects with described two brake bars
Connect.There is the piston diameter or the shortcoming of holder arms multiplying power that brake piston is parallel with brake plate support traffic direction, needs are bigger in it.
Summary of the invention
It is an object of the invention to the shortcoming overcoming prior art to exist, design one installation is applied widely, the degree of modularity is high,
Rail locomotive car braking nipper units multiple functional, that take up room little.
To achieve these goals, the technical solution used in the present invention is: a kind of rail locomotive car braking nipper units, including
Casing, checking cylinder, brake force enlarger, brake clip tong arm, buffer unit and brake lining slack adjuster, before brake clip tong arm
End connects brake plate support；
Described checking cylinder is fixing with casing to be connected, and checking cylinder includes lamina membranacea and the piston rod being connected with lamina membranacea, and reset tower spring is fixed on
Between checking cylinder cylinder cap and lamina membranacea.
Described brake force enlarger includes eccentric shaft and connecting rod, and connecting rod is fixing with eccentric shaft to be connected, eccentric shaft two ends and case
Body is fixing to be connected, and eccentric shaft two ends and casing junction are provided with needle bearing；Eccentric shaft and connecting rod composition eccentric shaft type lever,
The eccentric throw of connecting rod and eccentric shaft away from the enlargement ratio that ratio is brake force enlarger, connecting rod and brake cylinder piston rod
Hinged；
Described brake clip tong arm includes actively brake clip tong arm and passive brake clip tong arm, and actively brake clip tong arm is hinged with eccentric shaft,
Passive brake clip tong arm is hinged with casing.
Described buffer unit includes buffer spring and lever hook, and lever hook is articulated with box house, lever hook force side and brake force
The connecting rod end of enlarger keeps at a certain distance away, and lever hook force side is connected with push rod, and buffer spring is positioned at casing and lever
Between hook force side；When needs backlash compensation, piston rod drives connecting rod motion, connecting rod compressing lever hook force side, thick stick
Bar force side promotes push rod, and simultaneous buffering spring is compressed, and push rod acts on brake lining slack adjuster and completes backlash compensation.
Described brake lining slack adjuster is positioned at outside casing, and brake lining slack adjuster includes left box body and right case, left box body and quilt
Dynamic brake clip tong arm is by hinge, and right case and actively brake clip tong arm are cut with scissors by bearing pin, are provided with unidirectional in described left box body
Torsion spring type friction clutch, friction mandrel and leading screw are connected by left hand thread and form driving shaft；Connecting tube is anchored on left box body,
Friction torsion spring holds connecting tube and friction mandrel tightly, and described connecting tube is identical with the position external diameter that friction mandrel is held tightly by the torsion spring that rubs；Described
It is provided with pivoted arm sleeve on driving shaft, unilateral bearing, described unilateral bearing and pivoted arm set are set between pivoted arm sleeve and friction mandrel
Cylinder is connected, and pivoted arm sleeve back is provided with back-moving spring, and pivoted arm sleeve and push rod are hinged by spherical pair；Set in described right case
Being equipped with Wimble tooth-like clutch, hand adjustment nut is provided with limiting block, and it is secondary that limiting block and right case contact position arrange a pair cone tooth, compresses bullet
Spring acts on right case and limiting block, and hand adjustment nut engages with right case, and hand adjustment nut is placed on outside leading screw and and threads of lead screw
Connect.
When occurring in that situation or the trend of brake lining excesssive gap because of reasons such as abrasion, during braking, the promotion of pivoted arm sleeve drawn stem is inverse
Hour hands rotate, unilateral bearing and friction mandrel locking, compression reseting spring, and driving shaft can force friction torsion spring inversely to open, and drives
The leading screw of driving shaft is relative to hand adjustment nut rotation, so that the elongation of brake lining slack adjuster；When alleviating further, rub torsion spring
Again holding friction mandrel tightly, back-moving spring elongation resets, and drives pivoted arm sleeve to rotate clockwise, unilateral bearing can Relative friction axle from
The return by rotation, does not drive other component to move.Whole process makes brake lining slack adjuster length increase, thus compensate for system
Produce between Moving plate and brake lining crosses wide arc gap or trend, it is ensured that brake disc and brake lining gap maintain within the scope of setting.
When needing replacing brake lining or other operation needs the gap manually changing between brake disc and brake lining, can rotate forward by instrument
Or reversion hand adjustment nut, overcomes the active force of compression spring, right case internal clutch cone tooth disengages, make hand adjustment nut relative to
Screw turns, thus realize the manually elongation of brake lining slack adjuster or shorten.
Preferably, described rail locomotive car braking nipper units includes spring Parking Brake Cylinders, described spring Parking Brake Cylinders
Park wedge including output, park wedge and be connected with spring parking brake cylinder piston rod, park spring and be positioned at and park piston and spring
Between Parking Brake Cylinders cylinder body.
Preferably, it is provided with power of parking between described spring Parking Brake Cylinders and described brake force enlarger and amplifies transmission mechanism,
Power of parking is amplified transmission mechanism and is included rotating shaft and pivoted arm, and pivoted arm is provided with internal spline, and rotating shaft is provided with external splines, rotating shaft and pivoted arm and passes through
Spline pair is rotationally connected, and pivoted arm top is provided with the shifting block radially extended, and shifting block and connecting rod in brake force enlarger are to dividing into
The bumping post put coordinates, and is provided with horizontal lever bottom rotating shaft, and lever stress bottom portion is provided with parks bearing, parks bearing and stops with spring
The wedge surface of parking putting checking cylinder output connects.
Preferably, being provided with the anti-overlaying mechanism of brake force between described checking cylinder and spring Parking Brake Cylinders, described brake force is anti-stacked
Adding mechanism is the connecting line being provided with two-way valve, and the gas making pressure higher all the time leads to spring Parking Brake Cylinders.
Preferably, described brake clamp unit use link installation form, link is positioned at above casing, casing be connected
Frame is connected by bearing pin.
Preferably, described brake clamp unit uses the installation form of 3 liftings, and the brake plate support of brake clip tong arm front end sets
Arm, casing is had to be provided with suspension centre.
Preferably, described brake clip tong arm front end is provided with mechanical limit structure, prevents the excessive deflection of brake plate support.
The invention have the benefit that
Brake piston is vertical with the brake plate support direction of motion, and the transverse width of brake clamp unit reduces；By using eccentric shaft type thick stick
The brake force enlarger of bar, reduces piston diameter and holder arms multiplying power under same air pressure, makes brake clamp unit main body
Radial space and holder arms length be substantially reduced, have employed and park force amplificatory structure, reduce spring Parking Brake Cylinders to accumulation of energy
The requirement of spring, greatly reduces the volume of rail locomotive car braking nipper units；Applied widely, modularization journey is installed
Spend high, multiple functional.
Accompanying drawing explanation
Fig. 1 is embodiment 1 structural representation；
Fig. 2 is embodiment 2 structural representation；
Fig. 3 is embodiment 3 structural representation；
Fig. 4 is embodiment 4 structural representation；
Fig. 5 is present configuration schematic diagram one；
Fig. 6 is present configuration schematic diagram two；
Fig. 7 is brake force enlarger of the present invention and park force amplificatory structure structural representation；
Fig. 8 is brake lining slack adjuster structural representation；
Fig. 9 is brake lining slack adjuster right view；
Figure 10 is spring Parking Brake Cylinders structural representation.
As shown in figs 1-9: brake plate support 1, link 2, actively brake clip tong arm 3, brake lining slack adjuster 4, passively brake
Holder arms 5, spring Parking Brake Cylinders 6, arm 7, suspension centre 8, connecting rod 9, reset tower spring 10, the anti-overlaying mechanism of brake force
11, casing 12, buffer spring 13, checking cylinder 14, push rod 15, piston rod 16, eccentric shaft 17, lever hook 18, pivoted arm
19, rotating shaft 20, park wedge 21, bumping post 22, shifting block 23, park bearing 24, lever 25, park spring 26, park work
Plug 27, spring Parking Brake Cylinders cylinder body 28, hand adjustment nut 41, leading screw 42, friction torsion spring 43, connecting tube 44, friction mandrel
45, tower spring 46, pivoted arm sleeve 47, unilateral bearing 48 are adjusted.
Detailed description of the invention
The invention will be further described to combine accompanying drawing below by detailed description of the invention:
Embodiment 1
The rail locomotive car braking nipper units of the present embodiment, uses link installation form, and link 2 is provided with screw thread peace
Dress hole, link 2 is positioned at above casing 12, and casing 12 is connected by bearing pin with link 2.
Rail locomotive car braking nipper units includes casing 12, checking cylinder 14, brake force enlarger, brake clip tong arm, delays
Flushing device and brake lining slack adjuster 4, brake clip tong arm front end connects brake plate support 1；
Checking cylinder 14 is fixing with casing 12 to be connected, and checking cylinder 14 includes lamina membranacea and the piston rod 16 being connected with lamina membranacea, reset tower
Spring 10 is fixed between cylinder cap and the lamina membranacea of checking cylinder 14, and compressed air promotes piston rod 16 by rubber diaphragm, it is achieved by sky
Atmospheric pressure is to the conversion of piston rod thrust.
Connecting rod 9 is fixing with eccentric shaft 17 to be connected, and as brake force enlarger, the two ends of eccentric shaft 17 are fixed with casing 12
Connecting, eccentric shaft 17 two ends and casing 12 junction are provided with needle bearing；Eccentric shaft 17 and connecting rod 9 form eccentric shaft type thick stick
Bar, the eccentric throw of connecting rod 9 and eccentric shaft away from the enlargement ratio that ratio is brake force enlarger, connecting rod 9 and braking
Cylinder piston rod 16 is hinged；
Brake clip tong arm includes actively brake clip tong arm 3 and passive brake clip tong arm 5, actively brake clip tong arm 3 and eccentric shaft 17
Hinged, passive brake clip tong arm 5 is hinged with casing 12, and actively brake clip tong arm 3 and passive brake clip tong arm 5 lay respectively at case
Body both sides.
Buffer unit includes buffer spring 13 and lever hook 18, and it is internal that lever hook 18 is articulated with casing 12, being subject to of lever hook 18
Power end keeps at a certain distance away with the end of the connecting rod 9 of brake force enlarger, and the force side of lever hook 18 is connected with push rod 15,
Buffer spring 13 is between the force side of casing 12 and lever hook 18；When needs backlash compensation, piston rod 16 drives even
Extension bar 9 moves, and connecting rod 9 oppresses the force side of lever hook 18, and the force side of lever hook 18 promotes push rod 15, simultaneous buffering
Spring 13 is compressed, and push rod 15 acts on brake lining slack adjuster 4 and completes backlash compensation.
Brake lining slack adjuster 4 is positioned at outside casing 12, and brake lining slack adjuster 4 includes left box body and right case, left box body and
Passive brake clip tong arm 5 is by hinge, and right case and actively brake clip tong arm 3 are cut with scissors by bearing pin, set in described left box body
Unidirectional torsion spring type friction clutch, friction mandrel 45 and leading screw 42 is had to be connected by left hand thread and form driving shaft；Connecting tube 44 is tight
Being fixed on left box body, friction torsion spring 43 holds connecting tube 44 and friction mandrel 45 tightly, and described connecting tube 44 is rubbed with friction mandrel 45
The position external diameter that torsion spring 43 is held tightly is identical；Pivoted arm sleeve 47, pivoted arm sleeve 47 and friction mandrel 45 it is provided with on described driving shaft
Between unilateral bearing 48 is set, described unilateral bearing 48 is connected with pivoted arm sleeve 47, and the back of pivoted arm sleeve 47 is provided with multiple
Position spring, pivoted arm sleeve 47 and push rod 15 are hinged by spherical pair；Wimble tooth-like clutch, hand adjustment spiral shell it is provided with in described right case
Female 41 are provided with limiting block, and it is secondary that limiting block and right case contact position arrange a pair cone tooth, and compression spring acts on right case and spacing
Blocking, hand adjustment nut 41 engages with right case, and hand adjustment nut 41 is placed on outside leading screw 42 and is connected with threads of lead screw.
When occurring in that situation or the trend of brake lining excesssive gap because of reasons such as abrasion, during braking, pivoted arm sleeve 47 drawn stem 15
Promotion rotates counterclockwise, unilateral bearing 48 and friction mandrel 45 locking, compression reseting spring, and driving shaft can force friction torsion spring 43
Inversely open, drive the leading screw 42 of driving shaft to rotate relative to hand adjustment nut 41, so that brake lining slack adjuster 4 extends；
When alleviating further, friction torsion spring 43 holds friction mandrel 45 again tightly, and back-moving spring elongation resets, and drives pivoted arm sleeve 47 up time
Pin rotates, unilateral bearing 48 can Relative friction axle 45 is freely rotatable and return, do not drive other component to move.Whole process makes
The length of brake lining slack adjuster 4 increases, thus compensate for wide arc gap or the trend excessively produced between brake disc and brake lining, it is ensured that
Brake disc and brake lining gap maintain within the scope of setting.
When needing replacing brake lining or other operation needs the gap manually changing between brake disc and brake lining, can rotate forward by instrument
Or reversion hand adjustment nut 41, overcomes the active force of compression spring, and right case internal clutch cone tooth disengages, and makes hand adjustment nut 41
Rotate relative to leading screw 42, thus realize the manually elongation of brake lining slack adjuster 4 or shorten.
Brake clip tong arm front end is provided with mechanical limit structure, prevents the excessive deflection of brake plate support.
Checking cylinder normal brake application effect: during normal brake application, brake lining slack adjuster 4 is not required to adjust, and whole brake lining gap adjusts
Device 4 is a rigid body, and its braking procedure is: checking cylinder 14 is filled with certain pressure air, and lamina membranacea drives piston rod 16 to system
The dynamic outer motion of cylinder 14, compression reset tower spring 10 simultaneously, piston rod 16 promotes connecting rod 9 to move, and drives eccentric shaft 17 around it
Big axis core rotates, and the active brake clip tong arm 3 hinged with eccentric shaft 17 is to inner side translation, and actively brake clip tong arm 3 is made with passive
Dynamic holder arms 5 is connected by brake lining slack adjuster 4, passive brake clip tong arm 5 around passive brake clip tong arm 5 and casing 12 it
Between bearing pin rotate, two, left and right brake plate support 1 moves to application position, finally makes nipper units hold brake disc tightly, produces braking
Brake lining pressure.
Checking cylinder mitigation: the compressed air in checking cylinder 14 is discharged, and piston resets under the effect of reset tower spring 10, lives
Stopper rod 16 drives connecting rod 9 to move, and drives eccentric shaft 17 to rotate around its big axis core, the active brake clip hinged with eccentric shaft 17
Tong arm 3 translation laterally, passive brake clip tong arm 5 rotates around the bearing pin between passive brake clip tong arm 5 and casing 12, left and right
Two brake plate supports 1 move to original position, and brake lining pressure eliminates, it is achieved the alleviation of brake clamp unit.
Embodiment 2
The rail locomotive car braking nipper units of the present embodiment, with spring Parking Brake Cylinders 6, uses link installation form,
Link 2 is provided with threaded mounting hole, and link 2 is positioned at above casing 12, and casing 12 is connected by bearing pin with link 2.
Rail locomotive car braking nipper units includes casing 12, checking cylinder 14, brake force enlarger, brake clip tong arm, delays
Flushing device, brake lining slack adjuster 4 and spring Parking Brake Cylinders 6, brake clip tong arm front end connects brake plate support 1；
Checking cylinder 14 is fixing with casing 12 to be connected, and checking cylinder 14 includes lamina membranacea and the piston rod 16 being connected with lamina membranacea, reset tower
Spring 10 is fixed between cylinder cap and the lamina membranacea of checking cylinder 14, and compressed air promotes piston rod 16 by rubber diaphragm, it is achieved by sky
Atmospheric pressure is to the conversion of piston rod thrust.
Connecting rod 9 is fixing with eccentric shaft 17 to be connected, and as brake force enlarger, the two ends of eccentric shaft 17 are fixed with casing 12
Connecting, eccentric shaft 17 two ends and casing 12 junction are provided with needle bearing；Eccentric shaft 17 and connecting rod 9 form eccentric shaft type thick stick
Bar, the eccentric throw of connecting rod 9 and eccentric shaft away from the enlargement ratio that ratio is brake force enlarger, connecting rod 9 and braking
Cylinder piston rod 16 is hinged；
Brake clip tong arm includes actively brake clip tong arm 3 and passive brake clip tong arm 5, actively brake clip tong arm 3 and eccentric shaft 17
Hinged, passive brake clip tong arm 5 is hinged with casing 12, and actively brake clip tong arm 3 and passive brake clip tong arm 5 lay respectively at case
Body both sides.
Buffer unit includes buffer spring 13 and lever hook 18, and it is internal that lever hook 18 is articulated with casing 12, being subject to of lever hook 18
Power end keeps at a certain distance away with the end of the connecting rod 9 of brake force enlarger, and the force side of lever hook 18 is connected with push rod 15,
Buffer spring 13 is between the force side of casing 12 and lever hook 18；When needs backlash compensation, piston rod 16 drives even
Extension bar 9 moves, and connecting rod 9 oppresses the force side of lever hook 18, and the force side of lever hook 18 promotes push rod 15, simultaneous buffering
Spring 13 is compressed, and push rod 15 acts on brake lining slack adjuster 4 and completes backlash compensation.
Brake lining slack adjuster 4 is positioned at outside casing 12, and brake lining slack adjuster 4 includes left box body and right case, left box body and
Passive brake clip tong arm 5 is by hinge, and right case and actively brake clip tong arm 3 are cut with scissors by bearing pin, set in described left box body
Unidirectional torsion spring type friction clutch, friction mandrel 45 and leading screw 42 is had to be connected by left hand thread and form driving shaft；Connecting tube 44 is tight
Being fixed on left box body, friction torsion spring 43 holds connecting tube 44 and friction mandrel 45 tightly, and described connecting tube 44 is rubbed with friction mandrel 45
The position external diameter that torsion spring 43 is held tightly is identical；Pivoted arm sleeve 47, pivoted arm sleeve 47 and friction mandrel 45 it is provided with on described driving shaft
Between unilateral bearing 48 is set, described unilateral bearing 48 is connected with pivoted arm sleeve 47, and the back of pivoted arm sleeve 47 is provided with multiple
Position spring, pivoted arm sleeve 47 and push rod 15 are hinged by spherical pair；Wimble tooth-like clutch, hand adjustment spiral shell it is provided with in described right case
Female 41 are provided with limiting block, and it is secondary that limiting block and right case contact position arrange a pair cone tooth, and compression spring acts on right case and spacing
Blocking, hand adjustment nut 41 engages with right case, and hand adjustment nut 41 is placed on outside leading screw 42 and is connected with threads of lead screw.
When occurring in that situation or the trend of brake lining excesssive gap because of reasons such as abrasion, during braking, pivoted arm sleeve 47 drawn stem 15
Promotion rotates counterclockwise, unilateral bearing 48 and friction mandrel 45 locking, compression reseting spring, and driving shaft can force friction torsion spring 43
Inversely open, drive the leading screw 42 of driving shaft to rotate relative to hand adjustment nut 41, so that brake lining slack adjuster 4 extends；
When alleviating further, friction torsion spring 43 holds friction mandrel 45 again tightly, and back-moving spring elongation resets, and drives pivoted arm sleeve 47 up time
Pin rotates, unilateral bearing 48 can Relative friction axle 45 is freely rotatable and return, do not drive other component to move.Whole process makes
The length of brake lining slack adjuster 4 increases, thus compensate for wide arc gap or the trend excessively produced between brake disc and brake lining, it is ensured that
Brake disc and brake lining gap maintain within the scope of setting.
When needing replacing brake lining or other operation needs the gap manually changing between brake disc and brake lining, can rotate forward by instrument
Or reversion hand adjustment nut 41, overcomes the active force of compression spring, and right case internal clutch cone tooth disengages, and makes hand adjustment nut 41
Rotate relative to leading screw 42, thus realize the manually elongation of brake lining slack adjuster 4 or shorten.
What spring Parking Brake Cylinders 6 included output parks wedge 21, parks wedge 21 and is connected with spring parking brake cylinder piston rod,
Park spring 26 parking between piston 27 and spring Parking Brake Cylinders cylinder body 28.
Being provided with power of parking between spring Parking Brake Cylinders 6 and brake force enlarger and amplify transmission mechanism, power of parking amplifies transmission machine
Structure includes rotating shaft 20 and pivoted arm 19, and pivoted arm 19 is provided with internal spline, and rotating shaft 20 is provided with external splines, rotating shaft 20 and pivoted arm 19 and leads to
Crossing spline pair to be rotationally connected, pivoted arm 19 top is provided with the shifting block 23 radially extended, and shifting block 23 connects in brake force enlarger
The down-set bumping post 22 of extension bar 9 coordinates, and is provided with horizontal lever 25, is provided with bottom the force side of lever 25 bottom rotating shaft 20
Park bearing 24, park bearing 24 and be connected with the wedge 21 of parking of spring Parking Brake Cylinders 6 output.
Being provided with the anti-overlaying mechanism of brake force between checking cylinder 14 and spring Parking Brake Cylinders 6, the anti-overlaying mechanism of brake force is double for being provided with
To the connecting line of valve, the gas making pressure higher all the time leads to spring Parking Brake Cylinders 6.
Brake clip tong arm front end is provided with mechanical limit structure, prevents the excessive deflection of brake plate support.
Checking cylinder normal brake application effect: during normal brake application, brake lining slack adjuster 4 is not required to adjust, and whole brake lining gap adjusts
Device 4 is a rigid body, and its braking procedure is: checking cylinder 14 is filled with certain pressure air, and lamina membranacea drives piston rod 16 to system
The dynamic outer motion of cylinder 14, compression reset tower spring 10 simultaneously, piston rod 16 promotes connecting rod 9 to move, and drives eccentric shaft 17 around it
Big axis core rotates, and the active brake clip tong arm 3 hinged with eccentric shaft 17 is to inner side translation, and actively brake clip tong arm 3 is made with passive
Dynamic holder arms 5 is connected by brake lining slack adjuster 4, passive brake clip tong arm 5 around passive brake clip tong arm 5 and casing 12 it
Between bearing pin rotate, two, left and right brake plate support 1 moves to application position, finally makes nipper units hold brake disc tightly, produces braking
Brake lining pressure.
Checking cylinder mitigation: the compressed air in checking cylinder 14 is discharged, and piston resets under the effect of reset tower spring 10, lives
Stopper rod 16 drives connecting rod 9 to move, and drives eccentric shaft 17 to rotate around its big axis core, the active brake clip hinged with eccentric shaft 17
Tong arm 3 translation laterally, passive brake clip tong arm 5 rotates around the bearing pin between passive brake clip tong arm 5 and casing 12, left and right
Two brake plate supports 1 move to original position, and brake lining pressure eliminates, it is achieved the alleviation of brake clamp unit.
Spring Parking Brake Cylinders braking action: utilize the spring force parking spring 26 release in spring Parking Brake Cylinders 6 to complete system
Dynamic, by parking power and amplifying transmission mechanism, connecting rod 9, eccentric shaft 17, brake lining slack adjuster 4, brake clip tong arm complete
Braking maneuver.Basic process is: spring Parking Brake Cylinders 6 air draft, parks spring 26 elongation release spring force, promotes and park work
Plug 27 motion；Spring parking brake cylinder piston rod drives parks wedge 21 to the direction motion that spring extends；Park wedge 21 compressing to turn
Parking bearing 24 bottom horizontal lever 25 force side of axle 20, produce amplification and the transmission effect of power, internal spline pivoted arm 19 pushes up
The shifting block 23 that portion radially extends stirs the down-set bumping post of connecting rod 9 22, drives connecting rod 9 to move, subsequent motion with
Checking cylinder normal brake application is identical, it is achieved parking brake.
Spring Parking Brake Cylinders inflation mitigation: when parking brake inflation is alleviated, fill a level pressure in spring Parking Brake Cylinders 6
Strong compressed air, compressed air promotion is parked piston 27 compression and is parked spring 26, promoted by brake cylinder piston rod simultaneously and stop
Putting wedge 21 to move, release and park wedge 21 to parking the compressing of bearing 24, the amplification transmission mechanism parking power is in free state,
The power acted in connecting rod 9 is removed, and under the effect of reset tower spring 10, piston rod 16 drives connecting rod 9 to move, and drives
Eccentric shaft 17 rotates around its big axis core, the active brake clip tong arm 3 laterally translation hinged with eccentric shaft 17, passive brake clip
Tong arm 5 rotates around the bearing pin between passive brake clip tong arm 5 and casing 12, and two, left and right brake plate support 1 moves to original position,
Brake lining pressure eliminates, it is achieved the alleviation of brake clamp unit.
Embodiment 3
The rail locomotive car braking nipper units of the present embodiment, with spring Parking Brake Cylinders 6, uses 3 installation shapes lifted
Formula, the brake plate support 1 of brake clip tong arm front end is provided with arm 7, and casing 12 is provided with suspension centre 8.
Other are with embodiment 2.
Embodiment 4
The rail locomotive car braking nipper units of the present embodiment, uses 3 installation forms lifted, brake clip tong arm front end
Brake plate support 1 is provided with arm 7, and casing is provided with suspension centre 8.
Other are with embodiment 1.
Claims (8)
1. a rail locomotive car braking nipper units, including casing (12), checking cylinder (14) and brake clip tong arm, brake clip
Tong arm front end connects brake plate support (1)；Described checking cylinder (14) is fixing with casing (12) to be connected, and checking cylinder (14) includes lamina membranacea and and film
The piston rod (16) that plate is connected, reset tower spring (10) is fixed between checking cylinder cylinder cap and lamina membranacea；
It is characterized in that: described rail locomotive car braking nipper units, including brake force enlarger, buffer unit and brake lining
Slack adjuster (4)；
Described brake force enlarger includes eccentric shaft (17) and connecting rod (9), and connecting rod (9) is fixing with eccentric shaft (17) to be connected,
Eccentric shaft (17) two ends are fixing with casing (12) to be connected, and eccentric shaft (17) two ends and casing (12) junction are provided with needle bearing；Partially
Mandrel (17) and connecting rod (9) composition eccentric shaft type lever, the eccentric throw of connecting rod (9) and eccentric shaft away from ratio be brake force
The enlargement ratio of enlarger, connecting rod (9) is hinged with brake cylinder piston rod (16)；
Described brake clip tong arm includes actively brake clip tong arm (3) and passive brake clip tong arm (5), and actively brake clip tong arm (3) is with inclined
Mandrel (17) is hinged, and passive brake clip tong arm (5) is hinged with casing (12), actively brake clip tong arm (3) and passive brake clip tong arm
(5) end is hinged with the connection end of brake lining slack adjuster (4)；
Described buffer unit includes buffer spring (13) and lever hook (18), and it is internal that lever hook (18) is articulated with casing (12), lever
Hook (18) force side keeps at a certain distance away with connecting rod (9) end of brake force enlarger, lever hook (18) force side and push rod
(15) connecting, buffer spring (13) is positioned between casing (12) and lever hook (18) force side.
Rail locomotive car braking nipper units the most according to claim 1, it is characterised in that: described brake lining gap adjusts
Device (4) is positioned at casing (12) outside, and brake lining slack adjuster (4) includes left box body and right case, left box body and passive brake clamp
Arm (5) passes through hinge, and right case by hinge, is provided with unidirectional torsion spring with actively brake clip tong arm (3) in described left box body
Formula friction clutch, friction mandrel (45) and leading screw (42) are connected by left hand thread and form driving shaft；Connecting tube (44) is anchored on left case
On body, connecting tube (44) and friction mandrel (45) are held in friction torsion spring (43) tightly, and described connecting tube (44) and friction mandrel (45) are by friction torsion spring (43)
The position external diameter held tightly is identical；It is provided with pivoted arm sleeve (47) on described driving shaft, sets between pivoted arm sleeve (47) and friction mandrel (45)
Putting unilateral bearing (48), described unilateral bearing (48) is connected with pivoted arm sleeve (47), and pivoted arm sleeve (47) back is provided with reset bullet
Spring, pivoted arm sleeve (47) and push rod (15) are hinged by spherical pair；Wimble tooth-like clutch, hand adjustment nut (41) it is provided with in described right case
Being provided with limiting block, limiting block and right case contact position arrange a pair cone tooth pair, and compression spring acts on right case and limiting block,
Hand adjustment nut (41) engages with right case, and hand adjustment nut (41) is placed on leading screw (42) outside and threadeds with leading screw (42).
Rail locomotive car braking nipper units the most according to claim 1 and 2, it is characterised in that: described rail locomotive
Car braking nipper units includes that what spring Parking Brake Cylinders (6), described spring Parking Brake Cylinders (6) included output parks wedge
(21), park wedge (21) and be connected with spring parking brake cylinder piston rod, park spring (26) and be positioned at and park piston (27) and park with spring
Between brake cylinder body (28).
Rail locomotive car braking nipper units the most according to claim 3, it is characterised in that: described spring parking brake
Being provided with power of parking between cylinder (6) and described brake force enlarger and amplify transmission mechanism, power of parking is amplified transmission mechanism and is included rotating shaft
And pivoted arm (19) (20), pivoted arm (19) is provided with internal spline, and rotating shaft (20) is provided with external splines, rotating shaft (20) and pivoted arm (19) by flower
Key pair is rotationally connected, and pivoted arm (19) top is provided with the shifting block (23) radially extended, and shifting block (23) connects in brake force enlarger
Bumping post (22) cooperation that extension bar (9) is down-set, rotating shaft (20) bottom is provided with horizontal lever (25), sets bottom lever (25) force side
Park bearing (24), park bearing (24) and be connected with wedge (21) face of parking of spring Parking Brake Cylinders (6) output.
Rail locomotive car braking nipper units the most according to claim 4, it is characterised in that: described checking cylinder (14)
And being provided with the anti-overlaying mechanism of brake force between spring Parking Brake Cylinders (6), the anti-overlaying mechanism of described brake force is the company being provided with two-way valve
Adapter road.
Rail locomotive car braking nipper units the most according to claim 1, it is characterised in that: described brake clamp unit
Using link installation form, link (2) is positioned at casing (12) top, and casing (12) is connected by bearing pin with link (2).
Rail locomotive car braking nipper units the most according to claim 1, it is characterised in that: described brake clamp unit
Using 3 installation forms lifted, the brake plate support (1) of brake clip tong arm front end is provided with arm (7), and casing (12) is provided with and hangs
Point (8).
Rail locomotive car braking nipper units the most according to claim 1, it is characterised in that: before described brake clip tong arm
End is provided with mechanical limit structure, prevents brake plate support (1) excessive deflection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410558651.2A CN104455113B (en) | 2014-10-20 | 2014-10-20 | Rail locomotive car braking nipper units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410558651.2A CN104455113B (en) | 2014-10-20 | 2014-10-20 | Rail locomotive car braking nipper units |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104455113A CN104455113A (en) | 2015-03-25 |
| CN104455113B true CN104455113B (en) | 2016-09-07 |
Family
ID=52901670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410558651.2A Active CN104455113B (en) | 2014-10-20 | 2014-10-20 | Rail locomotive car braking nipper units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104455113B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134828B (en) * | 2015-08-07 | 2017-06-16 | 中车青岛四方车辆研究所有限公司 | Passive type hydraulic braking clamp pedestal |
| CN108463645B (en) * | 2015-11-05 | 2019-09-03 | 中车戚墅堰机车车辆工艺研究所有限公司 | Lever mechanism and brake clamp device including it |
| CN105351405B (en) * | 2015-11-20 | 2017-09-22 | 常州中车铁马科技实业有限公司 | Brake clamp oil cylinder |
| CN106641042B (en) * | 2016-12-15 | 2018-12-25 | 常州中车铁马科技实业有限公司 | A kind of brake clamp unit that can identify lever deformation |
| CN107458416B (en) * | 2017-08-10 | 2019-01-25 | 中车青岛四方车辆研究所有限公司 | Hand braking gripping mechanism |
| CN109969221A (en) * | 2017-12-28 | 2019-07-05 | 比亚迪股份有限公司 | Municipal rail train |
| WO2019129205A1 (en) * | 2017-12-28 | 2019-07-04 | 比亚迪股份有限公司 | Brake control system for urban rail train and urban rail train |
| DE102018201727A1 (en) * | 2018-02-05 | 2019-08-08 | Lucas Automotive Gmbh | Method for producing a brake force device for a vehicle brake system and such a brake force device |
| CN110159674A (en) * | 2019-05-29 | 2019-08-23 | 中国铁道科学研究院集团有限公司 | Intelligent brake clamp for rail traffic vehicles |
| CN112141156B (en) * | 2020-08-24 | 2021-10-29 | 嘉兴沃瑞科技有限公司 | Rail vehicle brake device of high-efficient braking |
| CN111976783B (en) * | 2020-09-01 | 2023-02-07 | 中车制动***有限公司 | Lever mechanism and brake clamp unit of railway vehicle |
| CN112855809B (en) * | 2021-01-04 | 2023-01-13 | 中车青岛四方车辆研究所有限公司 | Pneumatic brake cylinder and brake caliper unit |
| CN113183935A (en) * | 2021-06-02 | 2021-07-30 | 中车青岛四方车辆研究所有限公司 | Urban rail vehicle braking system and method based on deceleration closed-loop control |
| CN113830056B (en) * | 2021-10-09 | 2022-09-23 | 中车青岛四方车辆研究所有限公司 | Parking brake unit and electromechanical brake clamp |
| CN113915267B (en) * | 2021-10-09 | 2024-01-30 | 中车青岛四方车辆研究所有限公司 | Electromechanical brake cylinder and electromechanical brake caliper |
| CN114715215B (en) * | 2022-03-24 | 2023-12-29 | 中冶南方工程技术有限公司 | Braking mechanism of supporting vehicle |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104455113A (en) | 2015-03-25 |
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Effective date of registration: 20190515 Address after: No. 231, Ruichang Road, North District, Qingdao, Shandong Co-patentee after: Qingdao Sirui Technology Co., Ltd. Patentee after: CRRC QINGDAO SIFANG VEHICLE RESEARCH INSTITUTE CO., LTD. Address before: 266400 South Side of Xinye Road and West Side of Herong Road, Qingdao Hi-tech Industrial Development Zone, Shandong Province Patentee before: Qingdao Sirui Technology Co., Ltd. |