CN107650897A - The air brake and mining electric locomotive of mining electric locomotive - Google Patents
The air brake and mining electric locomotive of mining electric locomotive Download PDFInfo
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- CN107650897A CN107650897A CN201711037053.0A CN201711037053A CN107650897A CN 107650897 A CN107650897 A CN 107650897A CN 201711037053 A CN201711037053 A CN 201711037053A CN 107650897 A CN107650897 A CN 107650897A
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- reversal valve
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- electric locomotive
- air brake
- checking cylinder
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 85
- 238000005065 mining Methods 0.000 title claims abstract description 75
- 238000013016 damping Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 8
- 238000000746 purification Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
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- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
- B60T13/26—Compressed-air systems
- B60T13/40—Compressed-air systems indirect, i.e. compressed air booster units indirect systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
- B60T13/683—Electrical control in fluid-pressure brake systems by electrically-controlled valves in pneumatic systems or parts thereof
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The present invention provides a kind of air brake and mining electric locomotive of mining electric locomotive.The air brake of the mining electric locomotive has the first reversal valve, the second reversal valve and checking cylinder more than two, wherein：Braked channel is formed between first reversal valve and checking cylinder, and is formed between the first reversal valve and checking cylinder and alleviates path；Second reversal valve is arranged in braked channel, and the second reversal valve has more than two gas outlets, and each gas outlet is connected with the checking cylinder of respective sets respectively, and the second reversal valve can control the connection and cut-out between each gas outlet and the checking cylinder of respective sets.The air brake of mining electric locomotive provided by the invention, braking can be realized in the case of partial brake cylinder failure, so as to improve the reliability and safety of mining electric locomotive brakes.
Description
Technical field
The present invention relates to a kind of air brake, more particularly to the air brake of a kind of mining electric locomotive and mining
Electric locomotive, belong to mine locomotive technical field.
Background technology
Mining electric locomotive is a kind of pulling equipment of the long-distance transportation for underground transportation main entry and ground, draw by
The train of mine car or people's car composition is transported in orbit, completes the transport to coal, spoil, material, equipment, personnel etc..
The main composition of mining electric locomotive include vehicle frame, EEF bogie (running gear), brakes, traction drive,
Management system etc., wherein brakes are one of most important mechanical composition parts, and it generally comprises electric braking, spring
Braking and three kinds of brake apparatus of air damping, wherein air damping use generally as brake hard.
At present in mining electric locomotive the operation principle schematic diagram of the air brake of main flow as shown in figure 1, by air pressure
Compressed air caused by contracting machine 11 enters total reservoir 13 by check valve 12, after the purification of purifier 20, through pressure-reducing valve 30
Hand-operated direction valve 40 is supplied to after regulation pressure.Hand-operated direction valve 40 has dog point and alleviates end, and dog point and alleviation end
Formed with corresponding path between checking cylinder 50.When the hand-operated direction valve 40 is placed in dog point by driver, i.e. in Fig. 1
I ends, the compressed air after purification will be entered in the cylinder body of checking cylinder 50 by corresponding path, promote the piston in checking cylinder 50
Motion, compress release spring and drive piston push rod to move, and then promote foundation brake lever, realize braking；When this is manual
Reversal valve 40, which is placed in, alleviates end, i.e., the II ends in figure, and the compressed air after purification will flick the release spring in checking cylinder 50,
Compressed air in the cylinder body of checking cylinder 50 is discharged therewith, so that piston and piston push rod set back, foundation brake lever pine
Open, realize and alleviate.
Above-mentioned air brake, although disclosure satisfy that the need of mining electric locomotive brake hard in normal operation
Ask, but once any one checking cylinder 50 therein damages, for example checking cylinder 50 leaks air, then checking cylinder 50 with manually
Path between the dog point of reversal valve 40 will leak out and cause braking to fail, and have impact on safety in production.
The content of the invention
The present invention provides a kind of air brake and mining electric locomotive of mining electric locomotive, to solve current air system
In dynamic device, the problem of influenceing the braking function of mining electric locomotive because breaking down partial brake cylinder.
On the one hand, the present invention provides a kind of air brake of mining electric locomotive, has the first reversal valve, the second commutation
Valve and checking cylinder more than two, wherein：Form braked channel between first reversal valve and checking cylinder, and the first reversal valve with
Formed between checking cylinder and alleviate path；Second reversal valve is arranged in braked channel, the second reversal valve have it is more than two go out
Gas port, each gas outlet are connected with the checking cylinder of respective sets respectively, and the second reversal valve can control the system of each gas outlet and respective sets
Connection and cut-out between dynamic cylinder.
Further, the second reversal valve is Pneumatic reversal valve, electric control reversing valve or hand-operated direction valve.
Further, air brake has two groups of checking cylinders, and the second reversal valve is 3 position-5 way Pneumatic reversal valve.
Further, the first reversal valve is Pneumatic reversal valve, electric control reversing valve or hand-operated direction valve.
Further, it is also equipped with proportioning valve between the first reversal valve and the second reversal valve.
Further, proportioning valve is electronically controlled proportional valve, and proportioning valve is connected with a controlling switch.
Further, the first reversal valve is electric control reversing valve, and the first reversal valve is connected with above-mentioned controlling switch.
Further, above-mentioned air brake also has pressure-reducing valve, and pressure-reducing valve is connected with the first reversal valve.
On the other hand, the present invention provides a kind of mining electric locomotive, has vehicle frame and above-mentioned air brake, the air system
Dynamic device is arranged on vehicle frame.
Further, above-mentioned mining electric locomotive is storage battery formula electric locomotive, mine trolley locomotive or mining super
Level capacitive battery locomotive.
The air brake of mining electric locomotive provided by the invention, pass through the system between the first reversal valve and checking cylinder
The second reversal valve is installed on dynamic path, multiple outlets of second reversal valve are connected with the checking cylinder of respective sets respectively, and energy
The connection and cut-out between each gas outlet and respective sets checking cylinder are enough controlled, thus in partial brake cylinder failure, i.e. compression is empty
Gas can still enter in the checking cylinder that remaining group does not break down, so as to realize braking.Thus make the braking of mining electric locomotive
System has high reliability and safety.
Mining electric locomotive provided by the invention, due to being provided with above-mentioned air brake, the air brake can
Under conditions of partial brake cylinder breaks down, braking can be still realized, thus improves the reliability of mining electric locomotive, is protected
Card safety in production.
Brief description of the drawings
Accompanying drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the disclosure
Example, and be used to together with specification to explain the principle of the disclosure.
Fig. 1 is the operation principle schematic diagram of air brake in existing mining electric locomotive；
Fig. 2 is the operation principle schematic diagram of the air brake of mining electric locomotive in the embodiment of the present invention one；
Fig. 3 is the operation principle schematic diagram of the second reversal valve in normal state in the embodiment of the present invention one；
Fig. 4 be the embodiment of the present invention one in the second reversal valve nonserviceable under operation principle schematic diagram；
Fig. 5 is the operation principle schematic diagram of the air brake of mining electric locomotive in the embodiment of the present invention two.
Description of reference numerals：
11- air compressors；12- check valves；
The total reservoirs of 13-；14- safety valves；
15- pressure switches；20- purifiers；
21- filters；22- oil water separators；
30- pressure-reducing valves；40- hand-operated direction valves；
The reversal valves of 41- first；The reversal valves of 42- second；
50- checking cylinders；60- braked channels；
70- alleviates path；80- proportioning valves.
Pass through above-mentioned accompanying drawing, it has been shown that the clear and definite embodiment of the disclosure, will hereinafter be described in more detail.These accompanying drawings
It is not intended to limit the scope of disclosure design by any mode with word description, but is by reference to specific embodiment
Those skilled in the art illustrate the concept of the disclosure.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Mining electric locomotive is a kind of pulling equipment of rail vehicle transport.Distinguished according to energy source, mining electric locomotive leads to
Stringing formula, battery-type and and super capacitor formula can be often divided into.
Mining electric locomotive is mainly made up of mechanical part and electric part, and wherein mechanical part includes vehicle frame, wheel to, bearing
Case, spring carrier, brakes, sander, connection buffer unit；Electric part include motor, controller, resistance box,
Air automatic switch (stringing formula) or battery (battery-type) or super capacitor supply unit (super capacitor formula).
The vehicle frame of mining electric locomotive is the main part of mining electric locomotive, typically uses frame-type welded steel structure.Vehicle frame
Main composition includes bicycle beam, buffer and axle card.Wherein bicycle beam is the main load bearing component of mine car；Buffering directly bears tractive force
And impulsive force；Axle card is the connector of vehicle frame and wheel pair, at present to use bolt-type more.Be provided with vehicle frame drivers' cab, controller,
The equipment such as running gear, brakes, motor and resistance box.
Electrical control cubicles and console are provided with drivers' cab, drivers' cab front and both sides are mounted on windowpane, Yi Bian Yu Liao
Hope.Take turns the running gear to being mining electric locomotive.Axle box is the abbreviation of bearing housing, inside there is two row rolling bearings, with taking turns to both ends
Journal engagement installation.Guide rail on the chute and vehicle frame of axle box both sides matches, and has the bore for laying spring carrier above.Spring
Bracket is the structure for relaxing the shock and vibration in mining electric locomotive operation to locomotive.Sander is for before wheel
Sand is removed along rail level, to increase the coefficient of friction of wheel and interorbital, so as to obtain larger tractive force or brake force.
The brakes of mining electric locomotive generally includes three kinds of electric braking, spring braking and air damping brake apparatus.
Wherein, electric braking is the conventional brake of mining electric locomotive, can be implemented automatic between regenerative braking, resistive braking, zero braking
Conversion；Parking braking when spring braking is generally as long term stop；And air damping uses generally as brake hard.
Embodiment one
Fig. 2 is the operation principle schematic diagram of the air brake of mining electric locomotive in one embodiment of the invention.
As shown in Fig. 2 air brake has the first reversal valve 41, the second reversal valve 42 and braking more than two
Cylinder 50, wherein：Form braked channel 60 between first reversal valve 41 and checking cylinder 50, and the first reversal valve 41 and checking cylinder 50 it
Between formed alleviate path 70；Second reversal valve 42 is arranged in braked channel 60, the second reversal valve 42 have it is more than two go out
Gas port (not shown), each gas outlet are connected with the checking cylinder 50 of respective sets respectively, and the second reversal valve 42 can control each gas outlet
Connection and cut-out between the checking cylinder 50 of respective sets.
Specifically, air brake has air compressor 11, check valve 12, total reservoir 13, purifier 20 etc..By
Compressed air caused by air compressor 11 (abbreviation air compressor machine), for example the compressed air that pressure is no more than 0.8MPa is produced, warp
Enter total reservoir 13, then by the purification of purifier 20, compressed air and offer after being purified after crossing check valve 12
To the first reversal valve 41.
First reversal valve 41 has dog point and alleviates end.When mining electric locomotive needs braking, than if desired for urgent system
When dynamic, the first reversal valve 41 is placed in dog point by driver, and compressed air will enter the second reversal valve 42 by braked channel 60.
In normal state, i.e., all checking cylinders 50 do not break down, and the reversal valve 42 of all checking cylinders 50 and second
Between path gas leakage does not also occur, each gas outlet of the second reversal valve 42 connects with the checking cylinder 50 of respective sets respectively, i.e., whole
Individual braked channel 60 is connected state, and therefore, compressed air will be divided for multichannel by the second reversal valve 42 and distinguish from each gas outlet
Into in the cylinder body of the checking cylinder 50 of respective sets, the motion (not shown) of the piston in checking cylinder 50 is promoted, compression release spring is (not
Diagram) and drive piston push rod to move (not shown), and then foundation brake lever (not shown) is promoted, realize brake hard.
And under nonserviceabling, such as the gas leakage of checking cylinder 50 in a certain group or a few groups, then the second reversal valve 42 cut off
Path between corresponding gas outlet and the checking cylinder 50 of failure group, but can still connect between the checking cylinder 50 of non-faulting group
Logical, i.e., compressed air can still enter in the checking cylinder 50 of non-faulting group from the second reversal valve 42, and realize braking.
When mining electric locomotive does not need brake hard, the first reversal valve 41 is placed in by driver alleviates end, then from the
The compressed air of one reversal valve 41 will flick the release spring in checking cylinder 50, the cylinder body of checking cylinder 50 by alleviating path 70
Interior compressed air is discharged therewith, so that piston and piston push rod set back, foundation brake lever unclamps, and is realized slow
Solution.
Therefore, the air brake that the present embodiment provides, a certain or certain several checking cylinder 50 damages or pipeline gas leakage
In the case of breaking down, brake force can be still provided, realizes the brake hard of mining electric locomotive, thus is improved mining
The reliability of electric locomotive brake system and the security of mining electric locomotive.
In the present embodiment, the second reversal valve 42 can be Pneumatic reversal valve, electric control reversing valve (also referred to as " electromagnetic switch
Valve ") or hand-operated direction valve.In order to more in detail illustrate present embodiment principle and effect, below will using Pneumatic reversal valve as
Example further illustrates：
Fig. 3 is the operation principle schematic diagram of the second reversal valve in normal state in the embodiment of the present invention one；Fig. 4 is this hair
Operation principle schematic diagram under second reversal valve is nonserviceabled in bright embodiment one.
Fig. 2, Fig. 3 and Fig. 4 are refer to, the second reversal valve 42 has the air inlet for being used for connecting with the first reversal valve 41, i.e.,
At P in Fig. 3 and Fig. 4 (hereinafter referred to as " air inlet P ")；Second reversal valve 42 also has at least two gas outlets, for example, Fig. 3 and
At A in Fig. 4 and B places (be referred to as individually below " gas outlet A " and " gas outlet B "), the particular number of gas outlet and checking cylinder 50
Group number it is corresponding, for example every group of checking cylinder 50 can connect a gas outlet respectively, than air brake as shown in Figure 2
With two groups of totally four checking cylinders 50, then second reversal valve 42 has two gas outlets, for example the second reversal valve 42 specifically may be used
Think 3 position-5 way Pneumatic reversal valve.
With further reference to Fig. 3, when needing brake hard, if 50 equal normal work of all checking cylinders, gas leakage etc. does not occur
Failure, the compressed air from the first reversal valve 41 into the second reversal valve 42, will be then split into two-way through air inlet P
And respectively enterd by gas outlet A and gas outlet B in the cylinder body of checking cylinder 50 of respective sets, realize brake hard.
With further reference to Fig. 4, if break down, such as with some in the A respective sets of gas outlet or two checking cylinders 50
The failure such as leak air, then the valve element (not shown) of the second reversal valve 42 will move right, and prevent compressed air from again by air inlet
Mouth P flows to gas outlet A, therefore gas outlet A and the path between the checking cylinder 50 of its respective sets will be cut off, and compresses simultaneously
Air can still be flowed to gas outlet B by air inlet P, in the checking cylinder 50 for subsequently entering respective sets, realize braking.
If conversely, broken down with the checking cylinder 50 of gas outlet B respective sets, the valve element of the second reversal valve 42 will be to moving to left
It is dynamic, then gas outlet B and the path between the checking cylinder 50 of its respective sets will be cut off, and gas outlet A and with its respective sets
Checking cylinder 50 between be still able to connect, compressed air is still able to from air inlet P through gas outlet A into corresponding group
In checking cylinder 50, emergency braking function can be equally realized.
Above-mentioned second reversal valve 42 can be specifically the Pneumatic reversal valve of pressurized control, release control and differential pressure control, lead to
The motion of the excess pressure change control inner spool of the second reversal valve 42, and then control and lead between each gas outlet and the checking cylinder of respective sets
The connection and cut-out on road.
By taking the Pneumatic reversal valve using differential pressure control mode as an example, path gas leakage corresponding at some gas outlet or with
The checking cylinder 50 of the gas outlet respective sets breaks down, then the air outlet side corresponds to pressure in path and reduced, Pneumatic reversal valve
Valve element is voluntarily moved in the presence of pressure differential, and the path will be cut off, and the braking of other gas outlets and respective sets
Path between cylinder remains on connection.Therefore the second reversal valve 42 is enable to automatically control the braking of each gas outlet and respective sets
Connection and cut-out between cylinder 50.Pressurized control and the operation principle of the Pneumatic reversal valve of release control are same as above, and are not done herein
More descriptions.
As can be seen here, when the second reversal valve 42 is Pneumatic reversal valve, the failure if checking cylinder 50 leaks air etc., due to pressure
Power changes, and the valve element in the second reversal valve 42 is capable of the generation of automatic sensing failure, and concurrently life automatically moves, and finally realizes successfully
Braking.
Above-mentioned second reversal valve 42 can also be electric control reversing valve (electromagnetic switch in addition to it can be Pneumatic reversal valve
Valve) or hand-operated direction valve.It is, of course, also possible to using other types of reversal valve commonly used in the art and corresponding controlling party
Formula, those skilled in the art can be not specially limited herein according to actual conditions reasonable selection.
Air compressor 11, check valve 12, total reservoir 13 in the present embodiment, can be with current conventional air brake apparatus
Middle relevant device is consistent, and the present embodiment does not do excessive restriction herein.Wherein, can also be further fitted with pacifying on total reservoir 13
Full valve 14 and pressure switch 15, the safety and stability of whole air brake is improved, as shown in Figure 2.
Purifier 20 in the present embodiment, can rationally it be set according to the practical application work condition environment of mining electric locomotive,
For example at least one filter 21 and at least one oil water separator 22 can be included.
With further reference to Fig. 2, compressed air caused by air compressor 11 enters total reservoir 13, Ran Houjin through check valve 12
Enter purifier 20 and carry out purified treatment：First pass around filter 21 to filter, filter out solid particle therein, then through profit point
Purified from device 22, get rid of the impurity such as moisture and oil in compressed air, finally further filtered by filter 21 again, finally
Compressed air after obtained purification.The pressure of compressed air after purification be depressurized valve 30 be adjusted to as defined in after pressure, then
It is supplied to the first reversal valve 41.
It the first reversal valve 41 in the present embodiment, can be the conventional reversal valve of traditional mining electric locomotive, for example can be
Pneumatic reversal valve, electric control reversing valve or hand-operated direction valve 40 etc., the present embodiment is not specially limited herein.
With further reference to Fig. 2, to control the size of brake force, can also pacify between total reversal valve 41 of reservoir 13 and first
Pressure-reducing valve 30 is filled, the pressure regulation of compressed air can be arrived default size, such as the compressed air by pressure for 0.8MPa by it
It is adjusted to 0.5MPa.
It checking cylinder 50 in the present embodiment, can be the checking cylinder 50 commonly used in traditional mining electric locomotive, for example can be
The checking cylinder of lorry brake device described in Chinese invention patent application 200910063456.1, the present embodiment is herein not
It is particularly limited to.
Specifically, the present embodiment is not specially limited for the quantity of the checking cylinder 50 in every group of checking cylinder 50, can basis
Actual demand is rationally set, such as the checking cylinder 50 containing one, two or more quantity in every group of checking cylinder 50.
The air brake that the present embodiment provides, a certain or certain several checking cylinder 50 damage or pipeline breaks down
In the case of, brake force can be still provided, realize the brake hard of mining electric locomotive, thus improve the reliable of mining electric locomotive
Property and security.
Embodiment two
On the basis of embodiment one, the present embodiment is further added to the air brake of mining electric locomotive
It is bright.The unaccounted part of the present embodiment is identical with previous embodiment one.
Please continue to refer to Fig. 5, the pressure of the compressed air in checking cylinder 50 is passed through for effectively control, is made with further regulation
Power size, proportion of installation valve 80 on braked channel 60 that can also be between the first reversal valve 41 and the second reversal valve 42.
In the present embodiment, the proportioning valve 80 on braked channel 60 can adjust the compressed air for coming from the first reversal valve 41
Pressure, and by adjust pressure after compressed air be supplied to the second reversal valve 42, so as to the size of regulating brake force, enter
One step improves the braking ability and reliability of air brake.
Specifically, aforementioned proportion valve 80 can be electronically controlled proportional valve, it is connected with controlling switch (not shown), that is, passes through control
The work of system switch control proportioning valve 80, for example servo valve commonly used in the art can be selected.
Also, the cooperation between passing ratio valve 80 and pressure-reducing valve 30, it can rationally control the brake force of mining electric locomotive
Size, improve the safety and reliability of mining electric locomotive, and the service life of mining electric locomotive can be extended.
Further, aforementioned proportion valve 80 can cooperate with the first reversal valve 41, for example proportioning valve 80 is automatically controlled ratio
Example valve, the first reversal valve 41 is also electric control reversing valve, and is connected with same control between the reversal valve 41 of proportioning valve 80 and first
Switch, so the work of the reversal valve 41 of proportioning valve 80 and first can be controlled by same controlling switch simultaneously, make proportioning valve 80 and
Between first reversal valve 41 can cooperating, realize air brake work automatically controlled automation.
Also, because the volume of electric control reversing valve is smaller, react faster, so when the first reversal valve 41 is electric control reversing valve
When, additionally it is possible to improve the Operational Figure Of Merit of whole air brake.
The air brake that the present embodiment provides, damaged in a certain or certain several checking cylinder 50 or pipeline gas leakage etc. occurs
In the case of failure, brake force can be still provided, realizes the brake hard of mining electric locomotive, thus improves mining electric locomotive
The reliability of brakes and the security of mining electric locomotive.Also, due to can more effectively control the size of brake force,
Further increase the reliability of mining electric locomotive.
Embodiment three
On the basis of embodiment one or embodiment two, the present embodiment provides a kind of mining electric locomotive, specially mining storage
Battery type electric locomotive, it has vehicle frame and air brake, and the air brake is arranged on vehicle frame.Wherein, air system
Structure, the function of dynamic device are identical with previous embodiment, and here is omitted.
Specifically, storage battery formula electric locomotive, including mechanical part and electric part, wherein mechanical part include vehicle frame
And the above-mentioned air brake on vehicle frame, in addition to transmission device, axle box, wheel are to, spring carrier etc., electrical part
Dividing includes motor, flame proof latch, controller, resistance box, battery etc..The direct current that battery provides is through flame proof latch, control
Device processed, resistance box enter motor, drive motor operating.Motor drives vehicle wheel rotation by transmission device, so as to draw
Train driving.
The mining electric locomotive that the present embodiment provides, its air brake can be when partial brake cylinder 50 breaks down still
It is old to realize the function of brake hard, thus make the mining electric locomotive that there is good reliability and security.
Example IV
On the basis of embodiment one or embodiment two, the present embodiment provides a kind of mining electric locomotive, specially mining frame
Wire type electric locomotive, it has vehicle frame and air brake, and the air brake is arranged on vehicle frame.Wherein, air damping
Structure, the function of device are identical with previous embodiment, and here is omitted.
Specifically, mine trolley locomotive, its structure includes mechanical part and electric part, wherein mechanical part and reality
It is similar to apply the mechanical part structure of the storage battery formula electric locomotive in example three, does not do excessive explanation herein.Electric part includes
Motor, controller, resistance box, air automatic switch, pantograph etc..
The mining electric locomotive that the present embodiment provides, its air brake can be when partial brake cylinder 50 breaks down still
It is old to realize the function of brake hard, thus make the mining electric locomotive that there is good reliability and security.
Embodiment five
On the basis of embodiment one or embodiment two, the present embodiment provides a kind of mining electric locomotive, specially mining super
Level capacitive battery locomotive, it has vehicle frame and air brake, and the air brake is arranged on vehicle frame.Wherein, air
Structure, the function of brake apparatus are identical with previous embodiment, and here is omitted.
Specifically, mining supercapacitor formula electric locomotive, its structure includes mechanical part and electric part, wherein mechanical part
It is similar with the mechanical part structure of the storage battery formula electric locomotive in embodiment three, do not do excessive explanation herein.Electric part
Including motor, controller, super capacitor supply unit.Wherein, super capacitor supply unit is arranged on vehicle frame, and connects electricity
Motivation and controller.
The mining electric locomotive that the present embodiment provides, its air brake can be when partial brake cylinder 50 breaks down still
It is old to realize the function of brake hard, thus make the mining electric locomotive that there is good reliability and security.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a kind of air brake of mining electric locomotive, it is characterised in that there is the first reversal valve, the second reversal valve and two
The checking cylinder of the group above, wherein：
Form braked channel between first reversal valve and the checking cylinder, and first reversal valve and the checking cylinder it
Between formed alleviate path；
Second reversal valve is arranged in the braked channel, and second reversal valve has more than two gas outlets, respectively
The gas outlet is connected with the checking cylinder of respective sets respectively, and second reversal valve can control each gas outlet and respective sets
Checking cylinder between connection and cut-out.
2. air brake according to claim 1, it is characterised in that second reversal valve be Pneumatic reversal valve,
Electric control reversing valve or hand-operated direction valve.
3. air brake according to claim 2, it is characterised in that the air brake has two groups of brakings
Cylinder, second reversal valve are 3 position-5 way Pneumatic reversal valve.
4. air brake according to claim 1, it is characterised in that first reversal valve be Pneumatic reversal valve,
Electric control reversing valve or hand-operated direction valve.
5. the air brake according to claim 1 or 4, it is characterised in that in first reversal valve and described the
Proportioning valve is also equipped between two reversal valves.
6. air brake according to claim 5, it is characterised in that the proportioning valve is electronically controlled proportional valve, described
Proportioning valve is connected with a controlling switch.
7. air brake according to claim 6, it is characterised in that first reversal valve is electric control reversing valve,
First reversal valve is connected with the controlling switch.
8. the air brake according to claim 1 or 4, it is characterised in that also with pressure-reducing valve, the pressure-reducing valve with
The first reversal valve connection.
9. a kind of mining electric locomotive, it is characterised in that with the air damping dress described in vehicle frame and claim any one of 1-8
Put, the air brake is arranged on the vehicle frame.
10. mining electric locomotive according to claim 9, it is characterised in that the mining electric locomotive is storage battery formula
Electric locomotive, mine trolley locomotive or mining supercapacitor formula electric locomotive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711037053.0A CN107650897B (en) | 2017-10-30 | 2017-10-30 | Air brake device of mining electric locomotive and mining electric locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711037053.0A CN107650897B (en) | 2017-10-30 | 2017-10-30 | Air brake device of mining electric locomotive and mining electric locomotive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107650897A true CN107650897A (en) | 2018-02-02 |
| CN107650897B CN107650897B (en) | 2024-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711037053.0A Active CN107650897B (en) | 2017-10-30 | 2017-10-30 | Air brake device of mining electric locomotive and mining electric locomotive |
Country Status (1)
| Country | Link |
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| CN (1) | CN107650897B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126800A (en) * | 2019-05-29 | 2019-08-16 | 安徽合力股份有限公司 | A kind of reversing control valve for truck electronic parking braking and unlocking function |
| WO2021196308A1 (en) * | 2020-04-02 | 2021-10-07 | 中车唐山机车车辆有限公司 | Air brake control system and freight multiple unit |
| CN114261380A (en) * | 2021-12-09 | 2022-04-01 | 中车株洲电力机车有限公司 | Double-path brake output control system and method for rail transit brake |
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| CN110126800A (en) * | 2019-05-29 | 2019-08-16 | 安徽合力股份有限公司 | A kind of reversing control valve for truck electronic parking braking and unlocking function |
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| CN114261380A (en) * | 2021-12-09 | 2022-04-01 | 中车株洲电力机车有限公司 | Double-path brake output control system and method for rail transit brake |
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| Publication number | Publication date |
|---|---|
| CN107650897B (en) | 2024-02-06 |
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