CN112572394B - Electric locomotive anti-lock brake device - Google Patents
Electric locomotive anti-lock brake device Download PDFInfo
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- CN112572394B CN112572394B CN202011400947.3A CN202011400947A CN112572394B CN 112572394 B CN112572394 B CN 112572394B CN 202011400947 A CN202011400947 A CN 202011400947A CN 112572394 B CN112572394 B CN 112572394B
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- electric locomotive
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- control box
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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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
- B60T17/228—Devices for monitoring or checking brake systems; Signal devices for railway vehicles
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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
- B60T13/74—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 electrical assistance or drive
- B60T13/741—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 electrical assistance or drive acting on an ultimate actuator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H5/00—Applications or arrangements of brakes with substantially radial braking surfaces pressed together in axial direction, e.g. disc brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/28—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged apart from the brake
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention belongs to the field of electric locomotives, and relates to an anti-lock brake technology, in particular to an anti-lock brake device of an electric locomotive, which comprises a control box body, wherein two symmetrical mounting plates are fixedly mounted at the top of the control box body, a fixed plate is fixedly mounted between the side surfaces of the two mounting plates close to each other, a first electromagnetic block is fixedly mounted at the bottom of the fixed plate, a second electromagnetic block is arranged in the control box body, an electromagnetic coil is arranged between the first electromagnetic block and the second electromagnetic block, a base is fixedly mounted at the bottom of a support frame, and a brake mechanism is arranged at the top of the base. The wheel brake device can quickly brake the wheel, after the electromagnetic coil is electrified, the first electromagnetic block is used for attracting the second electromagnetic block to move upwards, so that the two connecting blocks are pulled to be close to each other through the two mounting rods, the wheel is locked and braked by the two brake blocks, and after the electromagnetic coil is powered off, the brake blocks are separated from the wheel, so that the locking phenomenon is avoided.
Description
Technical Field
The invention belongs to the field of electric locomotives, relates to an anti-lock brake technology, and particularly relates to an anti-lock brake device of an electric locomotive.
Background
An electric locomotive, also called an electric train, is a train that obtains electric energy from a power supply network or a power supply rail and drives a vehicle to run through an electric motor. The electric locomotive is a product of the second industrial revolution, but has ultra-large scale development until the third industrial revolution, and is the main force of modern trains. Electric locomotives have many advantages, and the combination properties are much stronger than those of steam locomotives and diesel locomotives, and are not only widely used for the operation of main railways, but also serve almost all urban rail transit.
The operation state of the existing electric locomotive is not usually analyzed when the existing electric locomotive is braked, when the electric locomotive is in a braking state, if a brake device directly carries out brake treatment, a rollover phenomenon of the electric locomotive may be caused, and meanwhile, if the electric locomotive is in a braking failure, the electric locomotive is still in the operation state when the electric locomotive is braked, a serious traffic accident may be caused.
Therefore, the invention provides the anti-blocking brake device for the electric locomotive, which is used for providing friction retarding for the wheels through the anti-blocking brake device after analyzing the running state of the electric locomotive after the brake is stepped on, and improving the safety performance of the electric locomotive during braking.
The utility model discloses a utility model patent that publication number is CN207485919U discloses a pneumatic band-type brake device, utilize pneumatic band-type brake to replace the electromagnetism band-type brake, when the winding is rolled up the footpath product greatly, under automatic state, the band-type brake is out of work, the solenoid valve coil of pneumatic band-type brake is not electrified, the brake disc is under reset spring's effect, brake disc principle motor, the product normally batches, even the solenoid valve damages this moment, because reset spring's effect, can not produce the brake yet, thereby can not damage equipment, can not make the product warp and degrade. When the contracting brake is required to act, the electromagnetic valve acts, the brake disc is pushed by the air cylinder to brake the motor on the fixed support, and meanwhile, in order to prevent inertial rotation, the brake disc is locked by the positioning pin to play a braking role; the pneumatic internal contracting brake device also has the problems that power supply analysis cannot be provided for the internal contracting brake device, and the internal contracting brake device cannot work normally due to insufficient power supply.
Disclosure of Invention
The invention aims to provide an electric locomotive anti-contracting brake device, which is used for solving the problem that the running state of the existing electric locomotive cannot be analyzed when the existing electric locomotive brakes, so that the electric locomotive possibly has a rollover phenomenon, or the electric locomotive is still in the running state when braking, so that serious railway driving safety accidents can be caused;
the technical problems to be solved by the invention are as follows: how to provide an anti-blocking brake device which can analyze the running state of an electric locomotive during braking.
The purpose of the invention can be realized by the following technical scheme:
an electric locomotive anti-lock brake device comprises a control box body, wherein two symmetrical mounting plates are fixedly mounted at the top of the control box body, a fixing plate is fixedly mounted between the adjacent side surfaces of the two mounting plates, a first electromagnetic block is fixedly mounted at the bottom of the fixing plate, a second electromagnetic block is arranged in the control box body, an electromagnetic coil is arranged between the first electromagnetic block and the second electromagnetic block, support frames are fixedly mounted on two side surfaces of the control box body, a base is fixedly mounted at the bottom of each support frame, and a brake mechanism is arranged at the top of each base;
the front surface of the control box body is provided with a processor which is in communication connection with an acquisition module, a power supply analysis module, a band-type brake analysis module, a storage module and a control module;
the band-type brake analysis module is used for controlling the anti-band-type brake device, and the specific process comprises the following steps:
acquiring the running speed of the electric locomotive in real time, marking the running speed increment of the electric locomotive in a time period t1 as an acceleration value, wherein t1 is a preset time value, acquiring the brake state of the electric locomotive in real time, and when the brake of the electric locomotive is in a treading state;
if the acceleration value is greater than or equal to 0, judging that the electric locomotive is in the running state, and sending a brake signal to a processor by a brake analysis module;
if the acceleration value is less than 0, judging that the electric locomotive is in a braking state;
the processor receives the band-type brake signal and then sends the band-type brake signal to the control module, and the control module receives the band-type brake signal and then controls the electromagnetic coil to be electrified.
Further, band-type brake mechanism includes the mount pad, mount pad bottom fixed mounting has the backing plate, backing plate bottom and base top surface fixed connection, the inside recess that has seted up of mount pad, swing joint has the sideslip board between the recess inside wall, the sideslip board is close to fixed mounting between the side of support frame and the recess inside wall has the spring, the sideslip board is kept away from the side fixed mounting of spring and is had the link, the one end that the sideslip board was kept away from to the link passes the inside wall of mount pad and extends to the outside of mount pad, the junction swing joint of link surface and mount pad inner wall, the link is located the outside one end fixed mounting of mount pad and has the connecting block, the side that the link was kept away from to the connecting block has the band-type brake piece through connecting rod fixed mounting.
Further, the opening has been seted up to the roof in the control box, the equal fixed mounting of two inside walls of control box has a slide rail, two the equal swing joint of one end that the slide rail is close to mutually has the slider, the side of slide rail and the side fixed connection of second electromagnetism piece are kept away from to the slider, second electromagnetism piece bottom fixed mounting has indulges the board that moves, indulge the board bottom and pass the inside diapire of control box and extend to the outside of control box, indulge the side of moving the board and the junction swing joint of the inside diapire of control box, it all articulates between the surface that the board lies in outside one end of control box and two connecting blocks to indulge.
Furthermore, the bottom of the control box body is provided with two symmetrical limiting rollers, two side faces of the longitudinal moving plate are provided with sliding grooves, and one ends, close to the limiting rollers, of the two limiting rollers are movably connected with the inner walls of the two sliding grooves respectively.
Furthermore, a reinforcing rib is fixedly installed between the side face of the support frame and the top face of the mounting seat, and the support frame is detachably connected with the control box body and the base through bolts.
Furthermore, the power supply analysis module is used for analyzing the power supply condition of the anti-lock brake device, and comprises an electric quantity supply unit, an electric quantity endurance unit and a standby battery management unit;
the electric quantity supply unit is used for analyzing the electric quantity supply state of the anti-lock brake device, and the specific analysis process comprises the following steps:
marking the difference value of the electric charge value of the electric locomotive supplied electric quantity and the electric charge value of the electric locomotive running state consumed electric quantity as pre-loss electric quantity YS, marking the electric charge value of the anti-blocking brake device running consumed electric quantity as FB, and if YS is greater than FB, judging that the electric quantity supply state of the anti-blocking brake device is sufficient; if YS is less than or equal to FB, the electric quantity supply state of the anti-contracting brake device is judged to be insufficient, and the electric quantity supply unit sends an electric quantity supply insufficient signal to the processor;
the electric quantity endurance unit is used for analyzing the electric quantity endurance condition of the anti-lock brake device, acquiring the geographic coordinate of the current position, the geographic coordinate of the destination, the geographic coordinate of the departure place and the running route of the electric locomotive, marking the distance value between the current position and the running route of the destination as ML, marking the distance value between the destination and the running route of the departure place as CL, marking the total electric power storage amount of the electric locomotive at the departure time as XDz, and analyzing the electric quantity endurance condition of the anti-lock brake device through a formula
Obtaining a cruising coefficient XHx, wherein alpha is a preset proportionality coefficient;
acquiring a endurance coefficient threshold value XHmin through a storage module, if XHx is less than or equal to XHmin, judging that the electric locomotive is unqualified in endurance, and sending an unqualified in endurance signal to a processor by an electric quantity endurance unit; if XHx is larger than XHmin, judging that the endurance of the electric locomotive is qualified;
the standby battery management unit is used for managing and analyzing a standby power supply of the electric locomotive, and when the electric quantity supply state of the anti-blocking device is insufficient and the endurance analysis result of the electric locomotive is unqualified, the standby battery is started to supply power to the electric locomotive and the anti-blocking device.
Further, the use method of the electric locomotive anti-lock brake device comprises the following steps:
the first step is as follows: judging whether the electric locomotive is in a running state or a braking state when braking is carried out through a band-type brake analysis module, when the electric locomotive is in the running state according to an analysis result, sending a band-type brake signal to a processor by the band-type brake analysis module, sending the band-type brake signal to a control module by the processor, and controlling an electromagnetic coil to be electrified after the control module receives the band-type brake signal;
the second step is that: after the electromagnetic coil is electrified, the first electromagnetic block attracts the second electromagnetic block to move upwards, in the process that the second electromagnetic block moves upwards, the two connecting blocks are pulled to mutually approach through the two mounting rods, so that the two contracting brake blocks mutually approach until the two contracting brake blocks are contacted with the wheel, and the friction force between the contracting brake blocks and the wheel is utilized to brake the electric locomotive so as to rapidly brake the electric locomotive;
the third step: after the electric locomotive is static, the electromagnetic coil is powered off through the control module, the second electromagnetic block moves downwards, the two connecting blocks are separated from each other, and the two contracting brake blocks are pulled to be separated from the wheels.
The invention has the following beneficial effects:
1. the operation state of the electric locomotive can be analyzed completely when the electric locomotive is braked by the aid of the arranged band-type brake analysis module, the band-type brake preventing device is not started when the electric locomotive is judged to be in the braking state, the electric locomotive is prevented from turning over, the band-type brake preventing device is started to brake the electric locomotive when the electric locomotive is judged to be in the operation state, and traffic accidents caused by brake failure of the electric locomotive are avoided;
2. the electric power supply state of the anti-contracting brake device can be analyzed through the arranged electric power supply unit, and the anti-contracting brake device is supplied with power through the standby battery when the electric power supply of the anti-contracting brake is insufficient, so that the anti-contracting brake device is prevented from being incapable of normally working due to insufficient power supply;
3. the electric quantity endurance condition of the electric locomotive can be analyzed through the arranged electric quantity endurance unit to obtain an endurance coefficient XHx, the endurance coefficient XHx is compared with an endurance coefficient threshold value XHmin, if the electric quantity endurance unit is judged to be unqualified, the electric quantity endurance unit sends an unqualified endurance signal to the processor, and the standby battery is started at any time to supply power to the electric locomotive;
4. the wheel can be braked fast through the band-type brake mechanism that sets up, after solenoid circular telegram, utilize first electromagnetic block to attract second electromagnetic block upward movement, thereby be close to each other through two connecting blocks of two installation pole pulling, utilize two band-type brake blocks to lock the braking to the wheel, and after solenoid outage, on the one hand the second electromagnetic block receives the effect of gravity to move down, on the other hand two connecting blocks of two spring pulling are separated from each other, thereby make band-type brake block and wheel separation, avoid appearing the locking phenomenon.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a front cross-sectional view of the band-type brake mechanism of the present invention;
FIG. 3 is a front sectional view of the control box structure of the present invention;
fig. 4 is a schematic block diagram of the present invention.
In the figure: 1. a control box body; 2. mounting a plate; 3. a fixing plate; 4. a first electromagnetic block; 5. a second electromagnetic block; 6. an electromagnetic coil; 7. a support frame; 8. a base; 9. a band-type brake mechanism; 10. a mounting seat; 11. a base plate; 12. a groove; 13. transversely moving the plate; 14. a spring; 15. a connecting frame; 16. connecting blocks; 17. a contracting brake block; 18. an opening; 19. a slide rail; 20. a slider; 21. longitudinally moving the plate; 22. mounting a rod; 23. a limiting roller; 24. a chute; 25. and (5) reinforcing ribs.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, an electric locomotive anti-lock brake device includes a control box 1, two symmetrical mounting plates 2 are fixedly mounted on the top of the control box 1, a fixing plate 3 is fixedly mounted between the side surfaces of the two mounting plates 2 close to each other, a first electromagnetic block 4 is fixedly mounted at the bottom of the fixing plate 3, the first electromagnetic block 4 is disposed at the center of the bottom surface of the fixing plate 3, a second electromagnetic block 5 is disposed inside the control box 1, an electromagnetic coil 6 is disposed between the first electromagnetic block 4 and the second electromagnetic block 5, support frames 7 are fixedly mounted on both side surfaces of the control box 1, a base 8 is fixedly mounted at the bottom of the support frames 7, and a brake mechanism 9 is disposed on the top of the base 8;
the front surface of the control box body 1 is provided with a processor, and the processor is in communication connection with an acquisition module, a power supply analysis module, a band-type brake analysis module, a storage module and a control module;
the band-type brake analysis module is used for controlling the anti-band-type brake device, and the specific process comprises the following steps:
acquiring the running speed of the electric locomotive in real time, marking the running speed increment of the electric locomotive in a time period t1 as an acceleration value, wherein t1 is a preset time value, acquiring the brake state of the electric locomotive in real time, and when the brake of the electric locomotive is in a treading state;
if the acceleration value is greater than or equal to 0, judging that the electric locomotive is in the running state, and sending a brake signal to a processor by a brake analysis module;
if the acceleration value is less than 0, judging that the electric locomotive is in a braking state;
the processor receives the band-type brake signal and then sends the band-type brake signal to the control module, the control module receives the band-type brake signal and then controls the electromagnetic coil 6 to be electrified, the band-type brake analysis module can analyze the running state of the electric locomotive completely when the electric locomotive is braked, the band-type brake prevention device is not started when the electric locomotive is judged to be in the braking state, the electric locomotive is prevented from rollover, the band-type brake prevention device is started to brake the electric locomotive when the electric locomotive is judged to be in the running state, and traffic accidents caused by brake failure of the electric locomotive are avoided.
The band-type brake mechanism 9 comprises a mounting seat 10, a backing plate 11 is fixedly mounted at the bottom of the mounting seat 10, the bottom of the backing plate 11 is fixedly connected with the top surface of the base 8, a groove 12 is arranged in the mounting seat 10, a traverse plate 13 is movably connected between the inner side walls of the grooves 12, a spring 14 is fixedly arranged between the side surface of the traverse plate 13 close to the support frame 7 and the inner side wall of the groove 12, the side of the traverse plate 13 far away from the spring 14 is fixedly provided with a connecting frame 15, one end of the connecting frame 15 far away from the traverse plate 13 penetrates through the inner side wall of the mounting seat 10 and extends to the outside of the mounting seat 10, the outer surface of the connecting frame 15 is movably connected with the inner wall of the mounting seat 10, a connecting block 16 is fixedly arranged at one end of the connecting frame 15 positioned outside the mounting seat 10, the side surface of the connecting block 16 far away from the connecting frame 15 is fixedly provided with a contracting brake block 17 through a connecting rod; band-type brake mechanism 9 can brake the wheel fast, 6 circular telegrams backs of solenoid, utilize first electromagnetism piece 4 to attract second electromagnetism piece 5 to move upwards, thereby be close to each other through two connecting blocks 16 of two installation pole 22 stimulations, utilize two band-type brake blocks 17 to lock the braking to the wheel, and after solenoid 6 outage, second electromagnetism piece 5 receives the effect of gravity to move down on the one hand, two connecting blocks 16 of two springs 14 stimulations of on the other hand separate mutually, thereby make band-type brake block 17 and wheel separation, the phenomenon of locking is avoided appearing.
The bottom of the control box body 1 is provided with two symmetrical limiting rollers 23, two side faces of the longitudinal moving plate 21 are provided with sliding grooves 24, and one ends, close to the limiting rollers 23, of the two limiting rollers are movably connected with the inner walls of the two sliding grooves 24 respectively.
And a reinforcing rib 25 is fixedly arranged between the side surface of the support frame 7 and the top surface of the mounting seat 10, and the support frame 7 is detachably connected with the control box body 1 and the base 8 through bolts.
The power supply analysis module is used for analyzing the power supply condition of the anti-lock brake device and comprises an electric quantity supply unit, an electric quantity endurance unit and a standby battery management unit;
the electric quantity supply unit is used for analyzing the electric quantity supply state of the anti-lock brake device, and the specific analysis process comprises the following steps:
marking the difference value of the electric charge value of the electric locomotive supplied electric quantity and the electric charge value of the electric locomotive running state consumed electric quantity as pre-loss electric quantity YS, marking the electric charge value of the anti-blocking brake device running consumed electric quantity as FB, and if YS is greater than FB, judging that the electric quantity supply state of the anti-blocking brake device is sufficient; if YS is less than or equal to FB, the electric quantity supply state of the anti-contracting brake device is judged to be insufficient, the electric quantity supply unit sends an electric quantity supply insufficient signal to the processor, the electric quantity supply unit can analyze the electric power supply state of the anti-contracting brake device, and the anti-contracting brake device is supplied with power through the standby battery when the electric power supply of the anti-contracting brake is insufficient, so that the anti-contracting brake device is prevented from being incapable of normally working due to insufficient power supply;
the electric quantity endurance unit is used for analyzing the electric quantity endurance condition of the anti-lock brake device, acquiring the geographic coordinate of the current position, the geographic coordinate of the destination, the geographic coordinate of the departure place and the running route of the electric locomotive, marking the distance value between the current position and the running route of the destination as ML, marking the distance value between the destination and the running route of the departure place as CL, marking the total electric power storage amount of the electric locomotive at the departure time as XDz, and analyzing the electric quantity endurance condition of the anti-lock brake device through a formula
Obtaining a endurance coefficient XHx, wherein alpha is a preset proportionality coefficient, the electric quantity endurance unit can analyze the electric quantity endurance condition of the electric locomotive to obtain an endurance coefficient XHx, the endurance coefficient XHx is compared with an endurance coefficient threshold value XHmin, if the electric quantity endurance unit is judged to be unqualified, the electric quantity endurance unit sends an unqualified endurance signal to the processor, and a standby battery is started at any time to supply power to the electric locomotive;
acquiring a endurance coefficient threshold value XHmin through a storage module, if XHx is less than or equal to XHmin, judging that the electric locomotive is unqualified in endurance, and sending an unqualified in endurance signal to a processor by an electric quantity endurance unit; if XHx is larger than XHmin, judging that the endurance of the electric locomotive is qualified;
the standby battery management unit is used for managing and analyzing a standby power supply of the electric locomotive, and when the electric quantity supply state of the anti-blocking device is insufficient and the endurance analysis result of the electric locomotive is unqualified, the standby battery is started to supply power to the electric locomotive and the anti-blocking device.
The use method of the electric locomotive anti-blocking brake device comprises the following steps:
the first step is as follows: judging whether the electric locomotive is in a running state or a braking state when braking is carried out through a band-type brake analysis module, when the electric locomotive is in the running state according to an analysis result, sending a band-type brake signal to a processor by the band-type brake analysis module, sending the band-type brake signal to a control module by the processor, and controlling the electromagnetic coil 6 to be electrified after the control module receives the band-type brake signal;
the second step is that: after the electromagnetic coil 6 is electrified, the second electromagnetic block 5 is attracted to move upwards through the first electromagnetic block 4, in the process that the second electromagnetic block 5 moves upwards, the two connecting blocks 16 are pulled to mutually approach through the two mounting rods 22, so that the two contracting brake blocks 17 mutually approach until the two contracting brake blocks 17 are in contact with the wheels, and the friction force between the contracting brake blocks 17 and the wheels is utilized to brake the electric locomotive so as to quickly brake the electric locomotive;
the third step: after the electric locomotive is static, the electromagnetic coil 6 is powered off through the control module, so that the second electromagnetic block 5 moves downwards, the two connecting blocks 16 are separated from each other, and the two contracting brake blocks 17 are pulled to be separated from the wheels.
When the electric locomotive anti-locking brake device is used, whether the electric locomotive is in a running state or a braking state during braking is judged through a brake analysis module, when the electric locomotive is in the running state according to an analysis result, the brake analysis module sends a brake signal to a processor, meanwhile, the processor sends the brake signal to a control module, and the control module controls an electromagnetic coil 6 to be electrified after receiving the brake signal; after the electromagnetic coil 6 is electrified, the second electromagnetic block 5 is attracted to move upwards through the first electromagnetic block 4, in the process that the second electromagnetic block 5 moves upwards, the two connecting blocks 16 are pulled to mutually approach through the two mounting rods 22, so that the two contracting brake blocks 17 mutually approach until the two contracting brake blocks 17 are in contact with the wheels, and the friction force between the contracting brake blocks 17 and the wheels is utilized to brake the electric locomotive so as to quickly brake the electric locomotive; after the electric locomotive is static, the electromagnetic coil 6 is powered off through the control module, so that the second electromagnetic block 5 moves downwards, the two connecting blocks 16 are separated from each other, and the two contracting brake blocks 17 are pulled to be separated from the wheels.
The invention has the following beneficial effects:
1. the operation state of the electric locomotive can be analyzed completely when the electric locomotive is braked by the aid of the arranged band-type brake analysis module, the band-type brake preventing device is not started when the electric locomotive is judged to be in the braking state, the electric locomotive is prevented from turning over, the band-type brake preventing device is started to brake the electric locomotive when the electric locomotive is judged to be in the operation state, and traffic accidents caused by brake failure of the electric locomotive are avoided;
2. the electric power supply state of the anti-contracting brake device can be analyzed through the arranged electric power supply unit, and the anti-contracting brake device is supplied with power through the standby battery when the electric power supply of the anti-contracting brake is insufficient, so that the anti-contracting brake device is prevented from being incapable of normally working due to insufficient power supply;
3. the electric quantity endurance condition of the electric locomotive can be analyzed through the arranged electric quantity endurance unit to obtain an endurance coefficient XHx, the endurance coefficient XHx is compared with an endurance coefficient threshold value XHmin, if the electric quantity endurance unit is judged to be unqualified, the electric quantity endurance unit sends an unqualified endurance signal to the processor, and the standby battery is started at any time to supply power to the electric locomotive;
4. the wheel can be braked fast through the band-type brake mechanism that sets up, after solenoid circular telegram, utilize first electromagnetic block to attract second electromagnetic block upward movement, thereby be close to each other through two connecting blocks of two installation pole pulling, utilize two band-type brake blocks to lock the braking to the wheel, and after solenoid outage, on the one hand the second electromagnetic block receives the effect of gravity to move down, on the other hand two connecting blocks of two spring pulling are separated from each other, thereby make band-type brake block and wheel separation, avoid appearing the locking phenomenon.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
The above formulas are all numerical values obtained by normalization processing, the formula is a formula obtained by acquiring a large amount of data and performing software simulation to obtain the latest real situation, and the preset parameters in the formula are set by the technical personnel in the field according to the actual situation.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (3)
1. An electric locomotive anti-lock brake device comprises a control box body (1), and is characterized in that two symmetrical mounting plates (2) are fixedly mounted at the top of the control box body (1), a fixing plate (3) is fixedly mounted between the two sides, close to each other, of the mounting plates (2), a first electromagnetic block (4) is fixedly mounted at the bottom of the fixing plate (3), a second electromagnetic block (5) is arranged inside the control box body (1), an electromagnetic coil (6) is arranged between the first electromagnetic block (4) and the second electromagnetic block (5), support frames (7) are fixedly mounted on the two sides of the control box body (1), a base (8) is fixedly mounted at the bottom of each support frame (7), and a brake mechanism (9) is arranged at the top of each base (8);
the front surface of the control box body (1) is provided with a processor, and the processor is in communication connection with an acquisition module, a power supply analysis module, a band-type brake analysis module, a storage module and a control module;
the band-type brake analysis module is used for controlling the anti-band-type brake device, and the specific process comprises the following steps:
acquiring the running speed of the electric locomotive in real time, marking the running speed increment of the electric locomotive in a time period t1 as an acceleration value, wherein t1 is a preset time value, acquiring the brake state of the electric locomotive in real time, and when the brake of the electric locomotive is in a treading state;
if the acceleration value is greater than or equal to 0, judging that the electric locomotive is in the running state, and sending a brake signal to a processor by a brake analysis module;
if the acceleration value is less than 0, judging that the electric locomotive is in a braking state;
the processor receives the band-type brake signal and then sends the band-type brake signal to the control module, and the control module receives the band-type brake signal and then controls the electromagnetic coil (6) to be electrified;
the band-type brake mechanism (9) comprises a mounting seat (10), a backing plate (11) is fixedly mounted at the bottom of the mounting seat (10), the bottom of the backing plate (11) is fixedly connected with the top surface of a base (8), a groove (12) is formed in the mounting seat (10), a transverse moving plate (13) is movably connected between the inner side walls of the groove (12), a spring (14) is fixedly mounted between the side surface, close to the supporting frame (7), of the transverse moving plate (13) and the inner side wall of the groove (12), a connecting frame (15) is fixedly mounted on the side surface, far away from the spring (14), of the transverse moving plate (13), one end, far away from the transverse moving plate (15), of the connecting frame (15) penetrates through the inner side wall of the mounting seat (10) and extends to the outer part of the mounting seat (10), the connecting part of the outer surface of the connecting frame (15) and the inner wall of the mounting seat (10) is movably connected, and a connecting block (16) is fixedly mounted at one end, located at the outer part of the connecting frame (15), the side surface of the connecting block (16) far away from the connecting frame (15) is fixedly provided with a contracting brake block (17) through a connecting rod;
an opening (18) is formed in the inner top wall of the control box body (1), two inner side walls of the control box body (1) are fixedly provided with slide rails (19), one ends, close to the two slide rails (19), of the two slide rails (19) are movably connected with slide blocks (20), the side, far away from the slide rails (19), of each slide block (20) is fixedly connected with the side of each second electromagnetic block (5), the bottom of each second electromagnetic block (5) is fixedly provided with a longitudinal moving plate (21), the bottom of each longitudinal moving plate (21) penetrates through the inner bottom wall of the control box body (1) and extends to the outside of the control box body (1), the side of each longitudinal moving plate (21) is movably connected with the joint of the inner bottom wall of the control box body (1), and mounting rods (22) are hinged between one end, located at the outside of the control box body (1), of each longitudinal moving plate (21) and the outer surfaces of the two connecting blocks (16);
two symmetrical limiting rollers (23) are arranged at the bottom of the control box body (1), sliding grooves (24) are formed in two side faces of the longitudinal moving plate (21), and one ends, close to the two limiting rollers (23), of the two limiting rollers are movably connected with the inner walls of the two sliding grooves (24) respectively;
fixed mounting has strengthening rib (25) between support frame (7) side and mount pad (10) top surface, all be connected through the bolt dismantlement formula between support frame (7) and control box (1), base (8).
2. The electric locomotive anti-lock brake device according to claim 1, wherein the power supply analysis module is configured to analyze a power supply condition of the anti-lock brake device, and the power supply analysis module includes a power supply unit, a power continuation unit, and a backup battery management unit;
the electric quantity supply unit is used for analyzing the electric quantity supply state of the anti-lock brake device, and the specific analysis process comprises the following steps:
marking the difference value of the electric charge value of the electric locomotive supplied electric quantity and the electric charge value of the electric locomotive running state consumed electric quantity as pre-loss electric quantity YS, marking the electric charge value of the anti-blocking brake device running consumed electric quantity as FB, and if YS is greater than FB, judging that the electric quantity supply state of the anti-blocking brake device is sufficient; if YS is less than or equal to FB, the electric quantity supply state of the anti-contracting brake device is judged to be insufficient, and the electric quantity supply unit sends an electric quantity supply insufficient signal to the processor;
the electric quantity endurance unit is used for analyzing the electric quantity endurance condition of the anti-lock brake device, acquiring the geographic coordinate of the current position, the geographic coordinate of the destination, the geographic coordinate of the departure place and the running route of the electric locomotive, marking the distance value between the current position and the running route of the destination as ML, marking the distance value between the destination and the running route of the departure place as CL, marking the total electric power storage amount of the electric locomotive at the departure time as XDz, and analyzing the electric quantity endurance condition of the anti-lock brake device through a formula
Obtaining a cruising coefficient XHx, wherein alpha is a preset proportionality coefficient;
acquiring a endurance coefficient threshold value XHmin through a storage module, if XHx is less than or equal to XHmin, judging that the electric locomotive is unqualified in endurance, and sending an unqualified in endurance signal to a processor by an electric quantity endurance unit; if XHx is larger than XHmin, judging that the endurance of the electric locomotive is qualified;
the standby battery management unit is used for managing and analyzing a standby power supply of the electric locomotive, and when the electric quantity supply state of the anti-blocking device is insufficient and the endurance analysis result of the electric locomotive is unqualified, the standby battery is started to supply power to the electric locomotive and the anti-blocking device.
3. The electric locomotive anti-lock brake device as claimed in claim 2, wherein the method for using the electric locomotive anti-lock brake device comprises the following steps:
the first step is as follows: the electric locomotive is judged to be in a running state or a braking state when braking is carried out through the band-type brake analysis module, when the analysis result shows that the electric locomotive is in the running state, the band-type brake analysis module sends a band-type brake signal to the processor, meanwhile, the processor sends the band-type brake signal to the control module, and the control module controls the electromagnetic coil (6) to be electrified after receiving the band-type brake signal;
the second step is that: after the electromagnetic coil (6) is electrified, the second electromagnetic block (5) is attracted to move upwards through the first electromagnetic block (4), in the process that the second electromagnetic block (5) moves upwards, the two connecting blocks (16) are pulled to approach each other through the two mounting rods (22), so that the two contracting brake blocks (17) approach each other until the two contracting brake blocks (17) are in contact with the wheels, and the electric locomotive is braked by utilizing the friction force between the contracting brake blocks (17) and the wheels, so that the electric locomotive is rapidly braked;
the third step: after the electric locomotive is static, the electromagnetic coil (6) is powered off through the control module, so that the second electromagnetic block (5) moves downwards, the two connecting blocks (16) are separated from each other, and the two contracting brake blocks (17) are pulled to be separated from the wheels.
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| CN112572394A (en) | 2021-03-30 |
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