CN107461432B - Parking brake module and checking cylinder, brake clamp unit for rail vehicle - Google Patents
Parking brake module and checking cylinder, brake clamp unit for rail vehicle Download PDFInfo
- Publication number
- CN107461432B CN107461432B CN201710843752.8A CN201710843752A CN107461432B CN 107461432 B CN107461432 B CN 107461432B CN 201710843752 A CN201710843752 A CN 201710843752A CN 107461432 B CN107461432 B CN 107461432B
- Authority
- CN
- China
- Prior art keywords
- park
- parking
- cylinder body
- piston
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
Abstract
The present invention is a kind of parking brake module and checking cylinder for rail vehicle, brake clamp unit.The parking brake module includes parking cylinder body, described park is provided with first and parks piston in cylinder body, described park is additionally provided with hand braking mechanism in cylinder body, hand braking mechanism is including parking bar, runner and parking pin, described first parks piston is fixedly connected with bar is parked, described park is provided with sliding slot on bar, be equipped on the runner inner wall, corresponding to sliding slot and be arranged in the sliding part for parking bar, and the sliding part is radially moved with sliding slot mutual cooperation to avoid the bar of parking.Park bar and runner using buckled fixed form in parking brake module of the present invention, when applying parking brake, runner with park pin and do not generate sliding during parking brake, effectively prevent the abrasion for parking pin.
Description
Technical field
The present invention relates to rail vehicle braking technical field more particularly to a kind of parking brake modules for rail vehicle
And checking cylinder, brake clamp unit.
Background technique
The brake apparatus that rail traffic vehicles use, the overwhelming majority usually pass through checking cylinder using compressed air as driving source
Compressed air is converted to mechanical thrust.In recent years due to the demand of motor-car and railcar parking brake, increase in brake apparatus
Add spring energy storage structure, in the calm state of vehicle, is converted into mechanical thrust by the spring force stored when having wind.
Brake apparatus mainly has two kinds of principal modes of unit brake (tread brake module) and brake clamp unit.
Brake clamp unit is divided into band and parks and without parking two kinds of function.Traditional type brake apparatus mostly uses modularization to set
Meter, entire jaw actuator device are mainly made of checking cylinder module and clamping modules etc..Clamping modules use three-point suspension formula, system
Dynamic cylinder module mostly uses unit cylinder direct-push, also there is the Wedge type using internal amplification.It is mostly to use that direct-push, which parks unit cylinder,
Spring energy-storage parks the external structure of cylinder, and since spring energy-storage is parked, cylinder is external to need more use space ability to this kind of structure
It realizes, the bulky disadvantage of brake apparatus is caused with this.
In order to solve the above-mentioned technical problem, what is provided in the prior art is correspondingly improved technology, such as application publication number is
The patent of invention of 103511517 A of CN discloses a kind of energy-storage type park unit brake cylinder, including unit brake cylinder part and stops
Checking cylinder part two parts are put, Parking Brake Cylinders and unit brake cylinder are integrated and compact-sized, small in size, just
In the energy-storage type park unit brake cylinder of installation.Wherein the Parking Brake Cylinders part includes parking cylinder equipped with the second air inlet
Body parks piston, parks adjusting nut, parks spring, guide pin, hand braking set component and hand relieving device；Hand braking set
Outer wall have non-self-lock-ing screw thread；The throw-out collar loosely covers in the piston tube of braking the cylinder piston, throw-out collar and hand braking set
Between clip ball assembly；The throw-out collar offsets with piston tube lid；The gear ring covers outside hand braking set and solid with hand braking set
Fixed connection；The hand relieving device, which is installed in, to be parked on cylinder body, and hand relieving device has pulling pin and pulling pin can be inserted in gear ring
Tooth socket in.The adjusting nut of parking is placed in the centre bore for parking piston, and by a conical surface and parks piston cooperation, and
Through non-self-lock-ing thread bush on hand braking set.
Though the energy-storage type park unit brake cylinder of above structure have it is compact-sized, the advantages of occupying little space, be directed to
The checking cylinder pull park alleviation operation when, gear ring is fixedly connected with hand braking set, and pulling pin can be inserted in gear ring
In tooth socket, in operation gear ring and manual system set synchronize move in a straight line, for example accurately pull pulling pin at this time, then gear ring and pulling pin
Between can generate sliding, cause the abrasion of gear ring and pulling pin, increase manually system set the resistance of motion, extend to pull and park
Alleviate the duration of operation.
It can be seen that deficiency in the prior art can be based on, provide that a kind of structure is improved to stop for rail vehicle
Brake module and the checking cylinder containing it are put, to solve the wear problem between gear ring and pulling pin, reduction, which pulls, parks alleviation operation
Duration, park the efficiency for alleviating operation to further increase to pull, it is difficult to become those skilled in the art's technology urgently to be resolved
Topic.
Summary of the invention
In view of the above technical problems, the present invention propose it is a kind of pull park alleviation operation when frictional resistance it is smaller,
Pull park alleviate duration it is shorter for the parking brake module of rail vehicle and the checking cylinder containing it, brake clamp unit.
In order to achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of parking brake module for rail vehicle, including cylinder body is parked, described park is provided with first in cylinder body
Piston is parked, described park is additionally provided with hand braking mechanism in cylinder body, the hand braking mechanism includes parking bar, runner and parking
Pin, described first parks piston is fixedly connected with bar is parked, and described park is provided with sliding slot on bar, on the runner inner wall, right
It should be equipped in sliding slot and be arranged in the sliding part for parking bar, the sliding part cooperates with the sliding slot to stop to avoid described
Bar is put radially to move.
When the runner is located at lock state, the pins position of parking is between the gear teeth of runner, and the sliding part is in quiet
Only state, the sliding slot park bar rotation under the position-limiting action of sliding part, described in limitation, park piston and do straight line fortune when first
When dynamic, described park parks piston with first under the driving effect that bar parks piston first and does synchronous linear movement, slides at this time
Slot prolongs sliding part movement；
It is described to park pin and mutually separated with runner when the runner is located at unlocked state, it parks piston and does when described first
When linear motion；The bar of parking rotates, and parks piston with first and do reverse linear movement, at this time limit of the sliding part in sliding slot
Circumferential movement is done under the effect of position, while driving runner to rotate, and sliding part moves in sliding slot.
Preferably, the pin of parking is connected with far from one end of runner for driving the reset spring for parking pin movement,
In order to which reset spring carries out energy storage, in release, pin movement is parked in driving.
It is described to pull that alleviate device include sequentially connected pulling line and hand preferably, further include pulling alleviation device
Slow lever, the pin of parking drive reset spring to discharge or compress simultaneously in stretching or the recycling under pulling leverage,
The runner is locked or unlocked in order to park pin.
It parks second for being additionally provided in cylinder body and parking that piston is connected in series with first preferably, described and parks piston, institute
Stating and parking cylinder body includes first parking cylinder body and second and parking cylinder body, and described first, which parks piston, parks cylinder body positioned at described first
Interior, described second parks piston parks in cylinder body positioned at described second, and described second parks the work that piston parks piston first
With lower piston is parked with first moved synchronously so that the bar of parking moves reciprocatingly along its axial direction.
Preferably, the cylinder body of parking includes first parking cylinder body and second and parking cylinder body, described first parks cylinder body
And/or second park and be connected with tubulose respirator on cylinder body, in order to first park cylinder body and/or second park cylinder body ventilation and
Draining.
Preferably, the tubulose respirator parks cylinder body with first by attachment base and/or second parks cylinder body and connect.
Preferably, the parking brake module further includes being fixedly attached to park the intracorporal spring base of cylinder and be held on the
One parks between piston and spring base, to drive the first spring of parking for parking piston motion, and the spring base is fixedly connected
To parking in cylinder body, the spring clamping of parking is parked between piston and spring base in first.
Preferably, described first parks to be connected between piston and spring base and parks piston anti-rotating pin, in order to limit
First parks piston rotation.
A kind of checking cylinder for rail vehicle comprising brake module and preceding module further include the above-mentioned system of parking
Dynamic model block, the brake module include brake cylinder casing, and the brake cylinder casing and the cylinder body of parking of the parking brake module are fixed
Connection, in order to which parking brake module and brake module are connected in series.
Preferably, the brake module further includes adjustment mechanism and the screw rod that is spirally connected with adjustment mechanism, the screw rod
One end passes through the adjustment mechanism and is fixedly connected with preceding module, and braking the cylinder piston, the system are provided in the brake cylinder casing
It is provided with sleeve in dynamic the cylinder piston, the sleeve is connect between screw rod and adjustment mechanism, and with adjustment mechanism, described to park
Rod set is connected on adjustment mechanism, described to park bar and adjustment mechanism moves synchronously or relative motion, in order to park bar and set
Cylinder is common or sleeve individually the adjustment mechanism intermal force under drive before module stretch out or recycling.
A kind of brake clamp unit for rail vehicle, including clamping modules interconnected and checking cylinder, it is described
Checking cylinder is above-mentioned checking cylinder.
Compared with prior art, the advantages and beneficial effects of the present invention are:
1, bar and runner are parked using buckled fixed form in parking brake module of the present invention, is applying parking brake
When, bar linear motion is parked, and runner does not move, and runner and parks pin and does not generate sliding during parking brake, effectively keeps away
The abrasion for having exempted to park pin improves the service life for parking pin and runner, while reducing the duration for pulling and parking and alleviating operation；
2, the tubulose respirator in parking brake module of the present invention, structure are designed as tubulose, are set to parking brake mould
Block bottom is generating conventional gas exchange action simultaneously, is also having the function of draining；
3, setting first simultaneously parks piston and second and parks piston in parking brake module of the present invention, makes parking brake mould
Block is when carrying out brake operating, in the case where identical relieve stress, the bigger spring force of spring store is parked, to accelerate to brake
Operation；
4, checking cylinder of the invention, the space between brake module and preceding module are arranged parking brake module, shorten
The bulk of checking cylinder, is assembled on rail vehicle convenient for checking cylinder；
5, parking brake module and brake module are connected in series checking cylinder of the invention, i.e., first parks piston, second
It parks piston and braking the cylinder piston three is located in same axial direction and is serially connected, increase the effective area of piston, delay identical
More spring forces can be stored in the case where decompression force.
Detailed description of the invention
Fig. 1 is a kind of partial structure diagram of parking brake module specific embodiment of the present invention；
Fig. 2 is the checking cylinder partial sectional view of parking brake module of the present invention；
Fig. 3 is a kind of structural schematic diagram of checking cylinder specific embodiment of the present invention；
Fig. 4 is when checking cylinder described in Fig. 3 is located at parking brake module inflation alleviation, brake module relieved state along line A-A
Schematic cross-section；
Fig. 5 is schematic cross-section when checking cylinder described in Fig. 3 is located at on-position along line A-A；
Fig. 6 is schematic cross-section when checking cylinder described in Fig. 3 is located at parking brake state along line A-A；
Fig. 7 is schematic cross-section when checking cylinder described in Fig. 3 is located at hand relieving state along line A-A；
Fig. 8 is sectional view of the adjustment mechanism in checking cylinder of the present invention along its longitudinal direction；
Fig. 9 is a kind of structural schematic diagram of brake clamp unit specific embodiment of the present invention；
In above each figure: 1, parking brake module；2, first piston is parked；3, bar is parked；31, sliding slot；4, runner；41,
Sliding part；5, pin is parked；6, reset spring；7, alleviation device is pulled；71, hand delays lever；8, second piston is parked；9, first stops
Put cylinder body；91, the first guidance tape；92, the first sealing-plug；93, the first guide ring；10, second cylinder body is parked；101, the second guiding
Band；102, the second sealing-plug；103, the second guide ring；104, first chamber is parked；105, second chamber is parked；11, tubulose is exhaled
Haustorium；111, attachment base；12, spring base；13, spring is parked；14, brake module；15, preceding module；16, brake cylinder casing；
161, third sealing-plug；17, screw rod；18, the cylinder piston is braked；181, sleeve；1811, bending part；19, preceding tune nut assembly；
191, preceding tune nut；192, preceding tune nut seat；1921, elastic identification ring；193, preceding tune spring；194, preceding gear shift block；195, preceding
It relieves a garrison swivel base；20, nut assembly is adjusted afterwards；201, nut is adjusted afterwards；2011, locating part；202, spring base is adjusted afterwards；203, bullet is adjusted afterwards
Spring；204, elasticity identification seat；205, elasticity identification spring；206, nut seat is adjusted afterwards；21, alleviate clearance adjusting nut；22, power transmission
Nut；23, bearing；24, piston anti-rotating pin is parked；25, release spring；26, sealing ring；27, sealing ring；28, clamping modules.
Specific embodiment
In the following, the present invention is specifically described by illustrative embodiment.It should be appreciated, however, that not into one
In the case where step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiments
In.
In the description of the present invention, it should be noted that the length direction of air conditioner indoor unit is the transverse direction after installation；Term
The orientation or positional relationship of the instructions such as "inner", "outside", "upper", "lower", "front", "rear" is positional relationship based on the figure,
Be merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.In addition, term " first ",
" second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Embodiment:
As depicted in figs. 1 and 2, the present embodiment provides a kind of parking brake modules 1 for rail vehicle, including park cylinder
Body, described park are provided with first and park piston 2 in cylinder body, described park is additionally provided with hand braking mechanism in cylinder body, the hand
Arrestment mechanism includes parking bar 3, runner 4 and parking pin 5, and described first parks piston 2 is fixedly connected with bar 3 is parked, described to stop
It puts and is provided with sliding slot 31 on bar 3, the sliding part for parking bar 3 described in being arranged in is equipped on 4 inner wall of runner, corresponding to sliding slot 31
41, the sliding part 41 cooperates with the sliding slot 32 and radially moves to avoid the bar 3 of parking.
The parking brake module of above-mentioned specific embodiment, effectively prevents parking the abrasion between bar and runner, is carrying out
It pulls that park the frictional resistance that generates when alleviating operation smaller, parks that alleviate duration shorter so as to pull.
With further reference to shown in Fig. 1, the runner 4 in wheel dentation, it is described park end that pin 5 is in contact with runner 4 and
The wheel between cog structure of runner 4 matches, to realize the locking and unlocking to runner 4.The sliding slot 31 is along axially and in level
Shape.
With further reference to shown in Fig. 2, the pin 5 of parking in the parking brake module 1 is connected far from one end of runner 4
Have for driving the reset spring 6 for parking pin movement.
With further reference to shown in Fig. 2, the parking brake module further includes pulling to alleviate device 7, described to pull alleviation dress
Setting 7 includes that sequentially connected line and the hand of pulling delays lever 71, and the pin 5 of parking is stretched out under leverage or returned in described pull
It receives, and reset spring 6 is driven to discharge or compress simultaneously, lock or unlock the runner 4 in order to park pin 5.
It should be noted that described pull alleviates preferably bidirectional pull of device 7 and alleviates device 7, after calm applications is braked,
It pulls any one to pull line, can release the calm mechanical thrust applied when braking.
With further reference to shown in Fig. 4~Fig. 7, described in the parking brake module is parked to be additionally provided with and the in cylinder body
One, which parks piston is connected in series second, parks piston 8, and the cylinder body of parking includes first parking cylinder body 9 and second and parking cylinder body
10, it is described park bar 3 and sequentially pass through described first and park cylinder body 9 and second park cylinder body 10, described first, which parks piston 2, is located at
Described first parks in cylinder body 9, and described second parks piston 8 parks in cylinder body 10 positioned at described second, and described second parks work
Plug 8 is parked piston 2 with first under the action of first parks piston 2 and is moved synchronously, so that the bar of parking is done along its axial direction
It moves back and forth.
It should be noted that described first parks cylinder body 9 and second and parks and be respectively formed with first in cylinder body 10 and park chamber
Chamber 105 is parked in room 104 and second, and described first, which parks piston 2, parks chamber indoor sport described first, and described second parks
Piston 8 parks chamber indoor sport described second, and described first park the inner one end of piston 2 across first park chamber with
Chamber indoor second is parked positioned at described second park the inner one end of piston 8 be in contact.Described first to park piston 2 inner
One end parks the inner wall of cylinder body 9 with first and is in contact by the first guidance tape 91, and the other end passes through the first sealing-plug 92 and the
One inner wall for parking cylinder body 9 is in contact, and the first guide ring 93 is provided on first sealing-plug；Described second parks piston 8
The inner wall that cylinder body 10 is parked with second in inner one end is in contact by the second guidance tape 101, and the other end passes through the second sealing
The inner wall that plug 102 parks cylinder body 10 with second is in contact, and the second guide ring 103 is provided on second sealing-plug 102, described
First, which parks one end of cylinder body 9 and second, parks and is additionally provided with sealing ring 26 between piston 8, and first to park piston 2 inner
It parks and is additionally provided with sealing ring 27 between the inner wall of cylinder body 10 in one end and second.First sealing-plug 92 and the second sealing-plug
102 can be K-type sealing-plug or leather cup type sealing-plug.The runner 4 and second is parked and is connected with sliding bearing between cylinder body 10
23, which employs nonmetallic sliding bearing or needle bearing, the two meets requirement.
With further reference to shown in Fig. 4~Fig. 7, described first in the parking brake module 1 parks cylinder body 9 and/or
Two park and are connected with tubulose respirator 11 on cylinder body 10, in order to first park cylinder body 9 and/or second park the ventilation of cylinder body 10 and
Draining.The tubulose respirator 11 parks cylinder body 9 with first by attachment base 111 and/or second parks cylinder body 10 and connect.
It should be noted that respirator is used tubular structure by the present invention, it is installed on the underface for parking cylinder body, stops can be used
In the respiratory ventilation for putting piston motion, it can also smoothly park the condensed water generated in cylinder body and exclude.
With further reference to shown in Fig. 4~Fig. 7, the parking brake module 1 further includes being fixedly attached to that park cylinder intracorporal
Spring base 12 and being held on first parks between piston and spring base, to drive first park piston motion park spring
13.Described first parks to be connected between piston 2 and spring base 12 and parks piston anti-rotating pin 24, parks work in order to limit first
2 rotation of plug.Preferably, the quantity for parking spring 13 is four, and the uniform branch in position.
As shown in Fig. 3~Fig. 7, another specific embodiment of the present invention also provides a kind of checking cylinder for rail vehicle, packet
Parking brake module 1, brake module 14 and the preceding module 15 are included, the brake module 14 includes brake cylinder casing 16, institute
It states brake cylinder casing 16 to be fixedly connected with the cylinder body of parking of the parking brake module 1, so that parking brake module 1 and brake module
14 are connected in series.
It should be noted that the present embodiment increases piston by the way that parking brake module 1 and brake module 14 are connected in series
Effective area, can be stored in the case where identical relieve stress and more park the spring forces of spring 13.
With further reference to shown in Fig. 4~Fig. 7, the brake module 14 in the checking cylinder further include adjustment mechanism and with
The screw rod 17 that adjustment mechanism is spirally connected, one end of the screw rod 17 pass through the adjustment mechanism and are fixedly connected with preceding module 15, institute
It states and is provided with braking the cylinder piston 18 in brake cylinder casing 16, be provided with sleeve 181, the sleeve 181 in the braking the cylinder piston 18
It is connect between screw rod 17 and adjustment mechanism, and with adjustment mechanism, the bar 3 of parking is socketed on adjustment mechanism, described to stop
It puts bar 3 and adjustment mechanism moves synchronously or relative motion, in order to park bar 3 and sleeve 181 is common or sleeve 181 individually exists
Module 15 is stretched out or is recycled before driving under the intermal force of the adjustment mechanism.
It should be noted that the sleeve 181 is in integrated with braking the cylinder piston 18, the end of the braking the cylinder piston 18
It is in contact by third sealing-plug 161 with brake cylinder casing 16, so as to mutually be sealed between braking the cylinder piston 18 and brake cylinder casing 16.Institute
Stating third sealing-plug 161 is rubber cup.Be socketed on the sleeve be held on spring base 12 and braking 18 piston of the cylinder piston it
Between and for drive brake the cylinder piston release spring 25.
With further reference to shown in Fig. 8, the adjustment mechanism includes the preceding tune nut assembly 19 to connect and rear tune nut assembly
20, it adjusts the end of nut assembly 19 to be connected with before described and alleviates clearance adjusting nut 21, on the alleviation clearance adjusting nut 21
It is socketed with power transmission nut 22, the alleviation clearance adjusting nut 21 is connect with sleeve 181, and the power transmission nut 22 adjusts spiral shell after
The side of female component 20 is connected with bearing 23, and the bearing 23 is in contact with the end for parking bar 3, in order to park bar 3 successively
Module 15 is stretched out or is recycled before driving under the intermal force of bearing 23, power transmission nut 22 and alleviation clearance adjusting nut 21.
With further reference to shown in Fig. 8, nut assembly 19 is adjusted before described includes preceding tune nut 191, preceding tune nut seat 192, preceding
Adjust spring 193, preceding gear shift block 194 and before relieve a garrison transposase 11 95, adjust nut 191 to be meshed with preceding tune nut seat 192 before described, institute
It is adjusted before stating between the clamping of spring 193 and preceding gear shift block 194 and preceding tune nut 191, transposase 11 95 of relieving a garrison before described is socketed on preceding gear shift
On block 194, the alleviation clearance adjusting nut 21 is relieved a garrison on transposase 11 95 before being socketed on, relieve a garrison before described transposase 11 95 and sleeve
181 are spirally connected；
The rear tune nut assembly 20 adjusts nut 201, rear tune spring base 202, rear tune spring 203, elasticity to know after including
Other seat 204 and elasticity identification spring 205；It adjusts 202 outer surface of spring base that finite place piece 2021 is set after described, adjusts spring after described
203 are held between the side of the locating part 2021 and rear tune spring base 202, and institute is arranged in the other side of the locating part 2021
Elasticity identification seat 204 is stated, the elasticity identification spring 205 is adjusted before being held between nut seat 192 and elasticity identification seat 204；
The screw rod 17 adjusts nut 201, preceding tune nut seat 192, preceding tune nut 191 and preceding gear shift block 194 after sequentially passing through
It is connect afterwards with preceding module 15, adjusts nut 201 to be spirally connected with screw rod 17 with preceding tune nut 191 after described.
It should be noted that bending part 1811 is provided on the inner wall of the sleeve 181, described elasticity identification seat 204
In on bending part 1811, so that realizing step power transmission between bending part 1811 and elasticity identification seat 204.The locating part 2021 with
It adjusts afterwards and adjusts nut seat 206 after being provided between spring 203, adjusted after described on nut seat 206 and be provided with screw.Nut is adjusted after described
Seat 206 bores tooth engagement with locating part 2021, is adjusted between nut 191 and preceding tune nut seat 192 before described and bores tooth engagement, dynamic to realize
Power transmission.The power transmission nut 22 is spirally connected with clearance adjusting nut 21 is alleviated.
As shown in figure 9, still another embodiment of the present invention also provides a kind of brake clamp unit for rail vehicle, packet
Clamping modules 28 and checking cylinder interconnected are included, the checking cylinder is above-mentioned checking cylinder.
Fig. 4~7 are please referred to, the course of work of checking cylinder and brake clamp unit of the present invention is described in detail as follows:
14 braking process of brake module:
In train travels on the line, when needing braking deceleration, braking is applied by inflation, i.e., from state shown in Fig. 4
Move to state shown in Fig. 5.In Fig. 4, the parking brake module 1 is located at inflation relieved state, the brake module 14
In relieved state, the air inlet of brake cylinder casing 16 fills wind to it at this time, and it is facing forward under the driving effect of air pressure to brake the cylinder piston 18
Module 15 moves in a straight line, and the bending part 1811 of 181 inner wall of sleeve is in step-like, in the drive adjustment mechanism of sleeve 181 bullet
Property identification seat 204, preceding tunes nut seat 192 and preceding tunes nut 191 move synchronously, in the elastic elastic force range for identifying spring 205
Interior, elasticity identification spring 205, preceding tune nut seat 192 and preceding tune nut 191 are moved linearly together, i.e., move to braking direction, from
And lead screw 17 preceding tune nut 191 effect under be pushed out to state shown in Fig. 5, while under the action of sleeve 181 before relieve a garrison turn
Seat 195,22 power transmission nut 22 of power transmission nut and alleviation clearance adjusting nut 21 move synchronously；It is greater than bullet when lead screw resistance is larger
Property identification 205 power of spring when, elasticity identification spring 205 is compressed, elasticity identification seat 204, elastic identification ring 1921, preceding tune nut
Seat 192, preceding tune nut 191 are pressed together movement, and lead screw releases biggish thrust, in Fig. 5, parking brake module at this time
1 is in on-position in inflation relieved state, brake module 14.
Brake module 14 alleviates process:
When launch train or operation, the brake module 14 is alleviated, and releases braking.I.e. from shape shown in Fig. 5
State moves to state shown in Fig. 4.When the compressed air in brake cylinder casing 16 is discharged through its air inlet, braking the cylinder piston 18 is being parked
Spring 13 acts on lower counter motion, relieve a garrison before the drive of sleeve 181 that braking the cylinder piston 18 is connected transposase 11 95, preceding gear shift block 194
It being moved synchronously with preceding tune nut seat 192, preceding tune nut 191 engages under the effect of preceding tune spring 193 with preceding tune nut seat 192, from
And preceding tune nut 191 drives lead screw 17 to move synchronously to state shown in Fig. 4.
1 parking brake process of parking brake module:
When train stored in library or route on break down when, air compressor machine power loss or gas circuit are calm available, need at this time
Guarantee that vehicle remains static, i.e., from state shown in state motion to Fig. 6 shown in Fig. 4.In Fig. 4, described first parks cylinder body 9
Cylinder body 10 is parked with second and is in wind state of filling, and described first, which parks piston 2 and second, parks piston 8, under Action of Wind pressure
Spring 13 is parked described in compression, the wind that fills for parking unit 14 described in realization at this time alleviates spring energy-storage state in other words；When by Fig. 4
When moving to Fig. 6, compressed air is exhausted from the air inlet for parking unit 14, it is described to park the release of 13 spring force of spring, by
In it is described park piston anti-rotating pin 24 and limit described first park the rotation of piston 2, described park pin 5 to lock the runner 4 same
The sliding part 41 of Shi Suoshu runner 4 is located in the sliding slot 31 radially to be moved to avoid the bar of parking, therefore institute
It states and parks bar 3 and second and park and done towards the preceding module 15 under the driving effect that piston 8 parks piston 2 described first
It is synchronous to be axially moved, park bar 3 successively bearing 23, power transmission nut 22, alleviate clearance adjusting nut 21 intermal force under drive
Moving sleeve 181 and screw rod 17 are moved towards preceding module 15, at this time parking brake module 1, brake module 14, adjustment mechanism and preceding
Module 15 is moved synchronously to parking brake state shown in Fig. 6.
Parking brake module 1 inflates alleviation process:
When vehicle needs starting or vehicle trouble reparation, but air system can continue to use, i.e., by Fig. 6 state motion
To Fig. 4 state.In Fig. 6, brake module 14 is in parking brake state, by being filled with pressure to the air inlet of parking brake module 1
Contracting air makes compressed air respectively enter first and park cylinder body 9 and second and parks in cylinder body 10, makes first to park piston 2 and
Two park piston 8 compress together park spring 13 movement, while first park piston 2 and second park piston 8 drive park bar 3
Towards precursor block motion；In addition in the case where parking spring 13 and acting on, also module moves braking the cylinder piston 18 forward, is located at sleeve
The movement of adjustment mechanism inside 181 is consistent with 14 braking process of brake module, that is, motion process of Fig. 5 to Fig. 4, eventually arrives at
The relieved state of Fig. 4.
Parking brake module hand relieving process:
When vehicle needs to alleviate braking under windless condition, i.e. state shown in state motion to Fig. 7 as shown in Figure 5.?
In Fig. 5, the spring 13 of parking is in energy storage state, drives hand to delay regulations and parameters movement by pulling line described in pulling, described to park
Pin 5 separates under the driving effect that hand delays lever 71 with 4 phase of runner, releases park limitation of the pin to runner at this time；When parking bullet
When spring 13 discharges elastic force, driving first parks piston 2 and second and parks piston 8 and move in a straight line towards preceding module 15, institute
It states to park the downward screw thread rotation of driving effect that bar 3 parks piston 2 first and park piston 2 with first and does reverse linear fortune
It is dynamic, the bearing 23 with park bar and mutually separate, be not affected by the effect for parking spring 13；Braking the cylinder piston 18 is alleviating bullet at this time
Piston is parked with first under the impetus of spring 25 and does counter motion, and sleeve 181 is logical while driving screw rod to move synchronously
The pulling of power transmission nut 22 is crossed to park bar 3 and reset to state shown in bottom to Fig. 7.
Parking brake module provided by the invention is made runner and is parked pin using the buckled connection for parking cylinder and ratchet
It is not produced relative sliding during parking brake, effectively prevents the abrasion for parking pin, improved and park making for pin and runner
With the service life, while reducing the duration for pulling and parking and alleviating operation.
Claims (8)
1. a kind of parking brake module for rail vehicle, including cylinder body is parked, described park is provided with first and stops in cylinder body
Let live plug, described park is additionally provided with hand braking mechanism in cylinder body, it is characterised in that: the hand braking mechanism include park bar,
Runner and pin is parked, described first parks piston is fixedly connected with bar is parked, and described park is provided with sliding slot on bar, the runner
Be equipped on inner wall, corresponding to sliding slot and be arranged in the sliding part for parking bar, the sliding part and the sliding slot cooperate with
Bar is parked described in avoiding radially to move.
2. the parking brake module according to claim 1 for rail vehicle, it is characterised in that: described to park pin separate
One end of runner is connected with for driving the reset spring for parking pin movement.
3. the parking brake module according to claim 1 for rail vehicle, it is characterised in that: further include pulling alleviation
Device, it is described to pull that alleviate device include that sequentially connected line and the hand of pulling delays lever, it is described to park pin and pull lever described
Effect is lower to stretch out or recycles, and drives reset spring release or compression simultaneously, locks or unlocks the runner in order to park pin.
4. the parking brake module according to claim 1 for rail vehicle, it is characterised in that: described to park in cylinder body
It is additionally provided with park that piston is connected in series with first second and parks piston, the cylinder body of parking includes first parking cylinder body and second
Cylinder body is parked, described first parks piston parks in cylinder body positioned at described first, and described second parks piston positioned at described second
Park in cylinder body, described second park piston parked under the action of first parks piston with first piston move synchronously so as to
The bar of parking moves reciprocatingly along its axial direction.
5. the parking brake module according to claim 1 for rail vehicle, it is characterised in that: described to park cylinder body packet
It includes first and parks cylinder body and second and park cylinder body, described first parks cylinder body and/or second park and be connected with tubulose on cylinder body and exhale
Haustorium, in order to first park cylinder body and/or second park cylinder body ventilation and draining.
6. the parking brake module according to claim 1 for rail vehicle, it is characterised in that: the parking brake mould
Block further includes being fixedly attached to park the intracorporal spring base of cylinder and be held on first to park between piston and spring base, to drive
First park piston motion park spring.
7. a kind of checking cylinder for rail vehicle comprising brake module and preceding module, it is characterised in that: further include such as power
Benefit requires any one of 1~6 parking brake module, and the brake module includes brake cylinder casing, the brake cylinder casing with it is described
The cylinder body of parking of parking brake module is fixedly connected.
8. a kind of brake clamp unit for rail vehicle, including clamping modules interconnected and checking cylinder, feature exist
In: the checking cylinder is checking cylinder as claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710843752.8A CN107461432B (en) | 2017-09-15 | 2017-09-15 | Parking brake module and checking cylinder, brake clamp unit for rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710843752.8A CN107461432B (en) | 2017-09-15 | 2017-09-15 | Parking brake module and checking cylinder, brake clamp unit for rail vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107461432A CN107461432A (en) | 2017-12-12 |
| CN107461432B true CN107461432B (en) | 2019-04-26 |
Family
ID=60552647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710843752.8A Active CN107461432B (en) | 2017-09-15 | 2017-09-15 | Parking brake module and checking cylinder, brake clamp unit for rail vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107461432B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296680A (en) * | 2018-11-28 | 2019-02-01 | 中国铁道科学研究院集团有限公司 | Checking cylinder |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2946271T3 (en) * | 2018-12-06 | 2023-07-14 | Ims Gear Se & Co Kgaa | Locking device for an electromechanical service brake of a motor vehicle, electromechanical service brake with such a locking device, and motor vehicle with such an electromechanical service brake |
| CN110285163B (en) * | 2019-07-09 | 2020-07-10 | 中车青岛四方车辆研究所有限公司 | Basic brake device of railway vehicle and brake cylinder thereof |
| CN111071289B (en) * | 2020-01-02 | 2020-12-01 | 中车青岛四方车辆研究所有限公司 | Parking cylinder, parking brake unit, brake clamp unit, brake system and vehicle |
| CN111332269B (en) * | 2020-03-31 | 2021-03-23 | 中车青岛四方车辆研究所有限公司 | Electromechanical parking brake cylinder and brake system |
| CN111692243B (en) * | 2020-06-24 | 2021-12-21 | 徐州徐工矿业机械有限公司 | Multi-piston wet brake of electric drive mining dump truck |
| CN112721991B (en) * | 2020-12-29 | 2022-05-17 | 中车制动系统有限公司 | Parking brake cylinder and brake caliper unit |
| CN112744254B (en) * | 2020-12-29 | 2022-03-11 | 青岛思锐科技有限公司 | Relieving device, parking brake cylinder and brake clamp unit |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3923287A (en) * | 1974-11-06 | 1975-12-02 | Universal Railway Devices Comp | Hand brake for railroad cars |
| US7249659B2 (en) * | 2004-01-08 | 2007-07-31 | New York Air Brake Corporation | Fluid actuator |
| CN103511517B (en) * | 2012-06-30 | 2015-12-16 | 南车戚墅堰机车车辆工艺研究所有限公司 | Energy-storage type park unit brake cylinder |
| CN104847815B (en) * | 2015-05-22 | 2017-08-11 | 中国铁道科学研究院 | A kind of Parking Brake Cylinders for rail vehicle |
| CN106545603B (en) * | 2016-12-26 | 2018-07-27 | 常州中车铁马科技实业有限公司 | Vehicle band Parking Brake Cylinders |
-
2017
- 2017-09-15 CN CN201710843752.8A patent/CN107461432B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296680A (en) * | 2018-11-28 | 2019-02-01 | 中国铁道科学研究院集团有限公司 | Checking cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107461432A (en) | 2017-12-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107461432B (en) | Parking brake module and checking cylinder, brake clamp unit for rail vehicle | |
| CN103511517B (en) | Energy-storage type park unit brake cylinder | |
| CN202732795U (en) | Energy-storage-type park-unit brake cylinder | |
| CN103836105B (en) | Energy absorbing device | |
| US9085309B2 (en) | Spring-applied parking brake with ball screw reset mechanism | |
| EP1475290B1 (en) | Automatic application hand brake of a rail vehicle | |
| CN110116720A (en) | Vehicle braking parking device | |
| CN107364327B (en) | Engine hybrid driving system and driving method based on hydraulic spring energy storage device | |
| CN107399310B (en) | Halting mechanism and automobile | |
| CN207093305U (en) | electric inflator | |
| CN109415037A (en) | Compressor | |
| CN212250377U (en) | Core structure of inflator pump | |
| MXPA02008039A (en) | Automatic application hand brake winding mechanism. | |
| US1793429A (en) | Automatic tire-inflating device | |
| CN1194340A (en) | Motor-operated cylinder | |
| WO2004060516A1 (en) | Toy vehicle having an integral pump assembly | |
| CN107458354B (en) | Hydraulic spring energy storage driving device and method | |
| CN207278473U (en) | Inflator pump with aerating buffering effect | |
| CN207759052U (en) | A kind of multi-stage expansion oil-receiving device | |
| CN109849840A (en) | A kind of car belt dististyle preload assembly | |
| CN206368777U (en) | A kind of mechanical air pump | |
| CN110319166A (en) | A kind of pusher structure | |
| CN110239292A (en) | A kind of caravan trailer bulb connection buffer unit of variable rigidity | |
| CN213686170U (en) | Vehicle-mounted direction and volume control grease filling device | |
| CN216742043U (en) | Charge-discharge dual-purpose electric pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Zhen Inventor after: Huang Jiansong Inventor after: Zhang Fangliang Inventor before: Huang Jiansong Inventor before: Wang Zhen Inventor before: Zhang Fangliang |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |