CN208682807U - Anti-lock Braking and Energy Recovery Hydraulic Braking System for Mining Electric Locomotives - Google Patents
Anti-lock Braking and Energy Recovery Hydraulic Braking System for Mining Electric Locomotives Download PDFInfo
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- CN208682807U CN208682807U CN201820613196.5U CN201820613196U CN208682807U CN 208682807 U CN208682807 U CN 208682807U CN 201820613196 U CN201820613196 U CN 201820613196U CN 208682807 U CN208682807 U CN 208682807U
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- pump
- lock
- wheel
- solenoid valve
- accumulator
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Abstract
本实用新型提供一种矿用电机车的防抱死和能量回收液压制动系统，在满足制动力条件下，具有安全可靠、生产效率的特点。其包括防抱死子系统和能量回收子系统；其中防抱死子系统包括制动踏板、制动主缸、三位三通电磁阀和储液器，制动踏板制动主缸连接，三位三通电磁阀分别通过管路连接制动主缸、车轮制动器和储液器，三位三通电磁阀通过改变电流大小能够实现增压、保压和减压三种工作状态，制动主缸供油端通过第一泵及管路连接储液器；能量回收子系统包括设置在车轮之间的驱动桥、设置在车辆上的驱动电机，驱动电机经传动装置连接轮轴，轮轴经驱动桥及离合器连接，第二泵进油端连接油箱，第二泵出油端连接蓄能器；蓄能器还连接车轮制动器。
The utility model provides an anti-lock braking and energy recovery hydraulic braking system of a mining electric locomotive, which has the characteristics of safety, reliability and production efficiency under the condition of satisfying the braking force. It includes an anti-lock braking subsystem and an energy recovery subsystem; the anti-lock braking subsystem includes a brake pedal, a brake master cylinder, a three-position three-way solenoid valve and a fluid reservoir, the brake pedal is connected to the brake master cylinder, and the three The three-position three-way solenoid valve is connected to the brake master cylinder, the wheel brake and the fluid reservoir respectively through the pipeline. The three-position three-way solenoid valve can realize the three working states of boosting, maintaining pressure and decompressing by changing the current. The oil supply end of the cylinder is connected to the accumulator through the first pump and the pipeline; the energy recovery subsystem includes a drive axle arranged between the wheels and a drive motor arranged on the vehicle. The drive motor is connected to the axle through the transmission device, and the axle passes through the drive axle The oil inlet end of the second pump is connected to the oil tank, the oil outlet end of the second pump is connected to the accumulator; the accumulator is also connected to the wheel brake.
Description
Technical field
The utility model relates to a kind of brake fluid systems, and in particular to a kind of anti-lock and energy time of mining electric locomotive
Brake fluid system is received, mining electric locomotive technical field is belonged to.
Background technique
Rail transport is still that current In Modern Mine underground is main, widest means of transportation, it can adapt to transport
The variation of distance and the bending in tunnel.The various mine cars run on mine track have reached millions of, and run in vehicle
Cheng Zhong should the most closely belong to braking system with vehicle active safety relationship, and the braking ability of vehicle is characterization vehicle driving peace
A complete important index.
Underground orbit traction locomotive is that tractor provides tractive force, and realizes mechanical braking at present, mechanical braking system
It mainly include brake block and brake operating mechanism, the control method of brake-shoe brake device has manual, pneumatic and hydraulic control three
Kind.Its mainly face be short of power, poor stop, operation lead it is big, if meet emergency vehicle be difficult to control etc.
Problem.Moreover, underground coal mine Special use operating condition and working environment are severe, it is higher for the brake request of underground vehicle, in addition to
Meet outside certain brake force condition, it is necessary to consider explosion-proof, anti-pollution, safe and reliable various aspects characteristic.
Therefore, the research for the braking system of underground orbit vehicle seems particularly significant, sets to the improvement of braking system
Meter and optimization can not only effectively improve the safety of underground transportation, it is ensured that safety in production；Also it can be reduced the event of underground transportation vehicle
Barrier rate, greatly improves production efficiency, brings economic benefit.
Utility model content
The utility model aim is to provide the anti-lock and energy regenerating brake fluid system of a kind of mining electric locomotive, full
Under the conditions of sufficient brake force, has the characteristics that safe and reliable, production efficiency.
The utility model is achieved through the following technical solutions:
A kind of anti-lock and energy regenerating brake fluid system of mining electric locomotive, including anti-lock subsystem and energy return
Receive subsystem；Wherein anti-lock subsystem includes brake pedal, master cylinder, 3-position-3-way solenoid valve and liquid storage device, and braking is stepped on
The connection of plate master cylinder, 3-position-3-way solenoid valve pass through piping connection master cylinder, wheel drag and liquid storage device respectively, and three
Three-way magnetic valve can be realized three kinds of pressurization, pressure maintaining and decompression working conditions, master cylinder fuel feeding end by changing size of current
Pass through the first pump and piping connection liquid storage device, power source of the first pump connection brake motor as the first pump；Energy regenerating
System includes setting drive axle between the wheels, the driving motor being arranged on vehicle, and driving motor is connected through transmission device
Wheel shaft, power source of the wheel shaft through drive axle and the second pump of clutch connection as the second pump, the second pump oil inlet end connect fuel tank, the
Two pump oil outlets connect accumulator；Accumulator is also connected with wheel drag.
The anti-lock and energy regenerating brake fluid system preferred embodiment of upper mining electric locomotive, one oil circuit of wheel drag
It is equipped with normally open type magnetic valve, flows to liquid storage device, a wheel drag also oil circuit from wheel drag for controlling pressure oil
Equipped with normally closed solenoid valve, wheel drag is flowed to from accumulator for controlling pressure oil.
The anti-lock and energy regenerating brake fluid system preferred embodiment of upper mining electric locomotive, further include controller, are passed
Sensor is located at wheel, and sensor is located at wheel and connect with controller input terminal and by measured speed feedback to controller, control
The output end of device is connected to normally open type magnetic valve and normally closed solenoid valve.
The anti-lock and energy regenerating brake fluid system preferred embodiment of upper mining electric locomotive, the import of the second pump is through filtering
Device connects fuel tank, and the outlet of the second pump connects check valve, and the oil circuit outlet of check valve is divided into two branch oil circuits, and a branch oil circuit connects
Accumulator is connect, another branch oil circuit is connected to fuel tank and is equipped with overflow valve.
The anti-lock and energy regenerating brake fluid system preferred embodiment of upper mining electric locomotive, the first pump oil outlet connection are single
To control valve.
The anti-lock and energy regenerating brake fluid system preferred embodiment of upper mining electric locomotive, wheel drag are two,
It is arranged on wheel.
Utility model has the advantages that 3-position-3-way solenoid valve may be at three working conditions, make master cylinder pressure
Power is near setting value, plays the role of anti-lock, and accumulator is converted for storing kinetic energy in mining electric locomotive moderating process
For the energy of hydraulic energy, controller controls the pressure oil of accumulator into that can enter wheel drag, keeps mining electric locomotive real
Now brake；The safety of underground transportation can not only be effectively improved, it is ensured that safety in production；Also it can be reduced the failure of underground transportation vehicle
Rate greatly improves production efficiency, brings economic benefit.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
Fig. 1 is the hydraulic anti-lock braking system schematic illustration of mining electric locomotive.
Fig. 2 is hydraulic energy recovery principle schematic diagram.
In figure: 1, brake pedal；2, master cylinder；3, fluid pressure line；4,3-position-3-way solenoid valve；5, brake motor；
6, the first pump；7, one-way control valve 7；8, liquid storage device；9, normally open type magnetic valve；10, normally closed solenoid valve；11, wheel drag；
12, sensor；13, wheel；14, controller；15, accumulator；16, driving motor；17, transmission device；18, drive axle；19, it takes turns
Axis；20, clutch；21, fuel tank；22, filter；23, the second pump；24, check valve；25, overflow valve.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
With reference to Fig. 1, a kind of anti-lock and energy regenerating brake fluid system of mining electric locomotive, including anti-lock subsystem
With energy regenerating subsystem；Wherein anti-lock subsystem includes brake pedal 1, master cylinder 2,3-position-3-way solenoid valve 4 and storage
Liquid device 8, the connection of 1 master cylinder 2 of brake pedal, 3-position-3-way solenoid valve 4 connect master cylinder 2, vehicle by fluid pressure line 3 respectively
Brake 11 and liquid storage device 8 are taken turns, 3-position-3-way solenoid valve 16 can be realized pressurization, pressure maintaining and decompression three by changing size of current
Kind working condition, 2 fuel feeding end of master cylinder pass through the first pump 6 and piping connection liquid storage device 8,6 connection brake motors 5 of the first pump
Power source as the first pump 6；Energy regenerating subsystem includes the drive axle 18 being arranged between wheel 13, is arranged on vehicle
Driving motor 16, driving motor 16 connects wheel shaft 19 through transmission device 17, and wheel shaft 19 is connected through drive axle 18 and clutch 20
Power source of second pump 23 as the second pump, the second 23 oil inlet ends of pump connect fuel tank 21, and the second 23 oil outlets of pump connect accumulator
15；Accumulator 15 is also connected with wheel drag 11.
In the present embodiment, 11 1 oil circuits of wheel drag are equipped with normally open type magnetic valve 9, for controlling pressure oil from vehicle
Wheel brake flows to liquid storage device 8, and the also oil circuit of wheel drag 11 is equipped with normally closed solenoid valve 10, for control pressure oil from
Accumulator 15 flows to wheel drag 11.
It further include controller 14 in the present embodiment, sensor 12 is located at wheel 13, and sensor 12 is located at wheel 13 and control
14 input terminal of device connects and by measured speed feedback to controller 14, and the output end of controller 3 is connected to normally open type magnetic valve 9
With normally closed solenoid valve 10.Controller 14 controls the working condition of normally open type magnetic valve 9, and 2 pressure of master cylinder is made to be maintained at conjunction
Just when controller 14 controls 10 working condition of normally closed solenoid valve, so that the pressure oil of accumulator 15 is entered brake, makes mining electricity
Locomotive realizes braking.
In the present embodiment, the import of the second pump 23 connects fuel tank 21 through filter 22, and the outlet connection of the second pump 23 is unidirectional
The oil circuit outlet of valve 24, check valve 24 is divided into two branch oil circuits, a branch oil circuit connection accumulator 15, another branch oil circuit and oil
Case 21 is connected to and is equipped with overflow valve 25.Check valve 24 prevents the hydraulic oil of accumulator 15 from flowing backwards.
In the present embodiment, the first 6 oil outlets of pump connect one-way control valve 7.
In the present embodiment, wheel drag 11 is two, is arranged on wheel 13.
Mining electric locomotive normally travel state, driving motor 16 are used as power source, drive wheel shaft 19 by transmission device 17
And wheel 13 rotates, so that locomotive is in track normally travel；Electric locomotive is in bend and the section for needing routinely to slow down, driving
The power-off of motor 16 runs out of steam, clutch connection, and mining electric locomotive is still keeping motion state under inertial states, mining
The kinetic energy of electric locomotive drives 23 work of the second pump by the transmitting of drive axle 18 and clutch 20, and the second pump 23 extracts fuel tank
Pressure oil in 21 is transported in accumulator 15 by fluid pressure line and check valve 24 and is stored, if in accumulator 15
Pressure be more than limit value can be excreted in fuel tank 21 by overflow valve 25.Mining electric locomotive is in bend and needs conventional subtract
The section of speed, controller 14 receive order, drive normally opened high-speed switch electromagnetic valve 9 to close, the opening of normally closed solenoid valve 10, so
The pressure oil in accumulator 15 enters brake 11 afterwards, so that the friction plate in brake 11 is compressed brake disc and realizes braking.Braking
After, normally open type magnetic valve 9 is opened, normally closed solenoid valve 10 is closed, and the pressure oil in brake 11 can be by open in usual
Solenoid valve 9 is excreted in liquid storage device 8, so that mining electric locomotive can operate normally.Mining electric locomotive is in emergency braking, driving
The power-off of motor 16 runs out of steam, and driver steps on brake pedal 1, and brake pedal 1 drives the piston motion in master cylinder 2, braking
Pressure oil in master cylinder 2 flows to brake 11 by 3-position-3-way solenoid valve 4, realizes the braking of mining electric locomotive；Work as driver
Continuing firmly to touch on the brake, the oil pressure that brake pedal 1 will lead in brake 11 is excessive, and 13 locking of wheel, sensor 12 detects vehicle
13 lockings are taken turns, signal is sent to controller by signal wire 14 by sensor 12, and controller controls the work of 3-position-3-way solenoid valve 4
To make state, is connected to brake 11 with liquid storage device 8, the pressure oil in brake 11 is excreted in liquid storage device 8, and three three like this
Three-way electromagnetic valve 4 can realize the conversion of each working condition under the control of controller, realize the pressurization of brake, pressure maintaining, subtract
Pressure, so that mining electric locomotive emergency braking can anti-lock.In 1 brake failure of brake pedal of mining electric locomotive, control
The device processed of device 14 receives order, drives normally opened high-speed switch electromagnetic valve 9 to close, the opening of normally closed high-speed switch electromagnetic valve 10, then
Pressure oil in accumulator 15 enters brake 11, so that the friction plate in brake 11 is compressed brake disc and realizes braking.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. the anti-lock and energy regenerating brake fluid system of a kind of mining electric locomotive, it is characterised in that: including anti-lock subsystem
System and energy regenerating subsystem；Wherein
Anti-lock subsystem includes brake pedal (1), master cylinder (2), 3-position-3-way solenoid valve (4) and liquid storage device (8), braking
Pedal (1) master cylinder (2) connection, 3-position-3-way solenoid valve (4) pass through piping connection master cylinder (2), wheel braking respectively
Device (11) and liquid storage device (8), 3-position-3-way solenoid valve (4) can be realized pressurization, pressure maintaining and decompression three by changing size of current
Kind working condition, master cylinder (2) fuel feeding end are made by the first pump (6) and piping connection liquid storage device (8), the first pump (6) connection
The power source of dynamic motor (5) as the first pump (6)；
Energy regenerating subsystem includes that be arranged between wheel (13) drive axle (18), the driving motor that is arranged on vehicle
(16), driving motor (16) connects wheel shaft (19) through transmission device (17), and wheel shaft (19) is through drive axle (18) and clutch (20)
Power source of the second pump (23) of connection as the second pump, the second pump (23) oil inlet end connection fuel tank (21), the second pump (23) are fuel-displaced
End connection accumulator (15)；
Accumulator (15) is also connected with wheel drag (11).
2. the anti-lock of mining electric locomotive and energy regenerating brake fluid system according to claim 1, it is characterised in that: vehicle
It takes turns (11) oil circuits of brake and is equipped with normally open type magnetic valve (9), flow to liquid storage from wheel drag for controlling pressure oil
Device (8), wheel drag (11) also oil circuit is equipped with normally closed solenoid valve (10), for controlling pressure oil from accumulator (15)
Flow to wheel drag (11).
3. the anti-lock of mining electric locomotive and energy regenerating brake fluid system according to claim 2, it is characterised in that: its
It further include controller (14), sensor (12) is located at wheel (13) and connect with controller (14) input terminal and measured speed is anti-
It feeds controller (14), the output end of controller (14) is connected to normally open type magnetic valve (9) and normally closed solenoid valve (10).
4. the anti-lock of mining electric locomotive and energy regenerating brake fluid system according to claim 1, it is characterised in that: the
The import of two pumps (23) connects fuel tank (21) through filter (22), and the outlet of the second pump (23) connects check valve (24), check valve
(24) oil circuit, which exports, is divided into two branch oil circuits, a branch oil circuit connection accumulator (15), another branch oil circuit and fuel tank (21)
It is connected to and is equipped with overflow valve (25).
5. special according to claim 1 to the anti-lock and energy regenerating brake fluid system of any one of 4 mining electric locomotives
Sign is: the first pump (6) oil outlet connection one-way control valve (7).
6. special according to claim 1 to the anti-lock and energy regenerating brake fluid system of any one of 4 mining electric locomotives
Sign is: wheel drag (11) is two, is arranged on wheel (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820613196.5U CN208682807U (en) | 2018-04-27 | 2018-04-27 | Anti-lock Braking and Energy Recovery Hydraulic Braking System for Mining Electric Locomotives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820613196.5U CN208682807U (en) | 2018-04-27 | 2018-04-27 | Anti-lock Braking and Energy Recovery Hydraulic Braking System for Mining Electric Locomotives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208682807U true CN208682807U (en) | 2019-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820613196.5U Expired - Fee Related CN208682807U (en) | 2018-04-27 | 2018-04-27 | Anti-lock Braking and Energy Recovery Hydraulic Braking System for Mining Electric Locomotives |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208682807U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108501908A (en) * | 2018-04-27 | 2018-09-07 | 山东科技大学 | The anti-lock and energy regenerating brake fluid system of mining electric locomotive |
-
2018
- 2018-04-27 CN CN201820613196.5U patent/CN208682807U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108501908A (en) * | 2018-04-27 | 2018-09-07 | 山东科技大学 | The anti-lock and energy regenerating brake fluid system of mining electric locomotive |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 Termination date: 20200427 |