CN109205516A - A kind of brake system of forklift and its braking method - Google Patents
A kind of brake system of forklift and its braking method Download PDFInfo
- Publication number
- CN109205516A CN109205516A CN201810991793.6A CN201810991793A CN109205516A CN 109205516 A CN109205516 A CN 109205516A CN 201810991793 A CN201810991793 A CN 201810991793A CN 109205516 A CN109205516 A CN 109205516A
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- Prior art keywords
- brake
- braking
- controller
- fork truck
- driving motor
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07509—Braking
-
- 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
-
- 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
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/20—Electric or magnetic using electromagnets
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention discloses a kind of brake system of forklift, comprising: input module comprising pedal brake and vehicle speed sensor；The pedal brake is for generating braking output quantity；The speed of the vehicle speed sensor detection fork truck simultaneously generates speed output valve；Arrestment mechanism comprising electromagnetic brake and vacuum braking group；The electromagnetic brake is arranged on front wheel driving shaft；The brake of the vacuum braking group is arranged on rear wheel driving axle；Controller is connect with the gas pedal device and driving motor of fork truck respectively；The controller receives the output quantity and output valve of input module, and then the output power of controller regulation driving motor and the movement for controlling arrestment mechanism.The present invention uses vacuum braking group combining with electromagnetic brake, and the braking for guaranteeing fork truck quickly, reliably, improves security performance, avoids the waste of the energy, reduce cost.By input module, controller and arrestment mechanism three it is intelligent coordinated under, this brake system of forklift is more intelligent, user-friendly for operation, braking is reliable.
Description
Technical field
The invention belongs to the technical fields of fork truck braking, and in particular to a kind of brake system of forklift and its braking method.
Background technique
The major function of brake system of forklift is the vehicle speed for making the vehicle deceleration in traveling even stop, making descent run
Degree keeps stablizing, remains stationary the vehicle of stagnation of movement.The electri forklift of public cognitive is mostly hydraulic machinery system in the prior art
Dynamic system, structure drive gear oil pump using stand-by motor, are pressurized to hydraulic booster system by hydraulic oil, realize hydraulic booster
Braking, complicated integral structure, easy to leak, energy consumption is high, poor reliability, installs because of difficulty.
Notification number is the Chinese utility model patent of CN105966380A, a kind of brake system of forklift of the Invention Announce and
Braking method.Including pedal brake, velocity sensor, parking switch, direction switch, the oil being connected with controller input terminal
Door footboard device and display instrument, further include the alternating current generator and electromagnetic brake being connected with controller output end, the electricity
Magnetic brake is fixed on alternating current generator, and above-mentioned each component is by cell powers.
As shown from the above technical solution, the service brake and parking braking are changed by original mechanical braking is changed to alternating current
The electric braking of machine and electromagnetic brake, electromagnetic brake are stationarily connected on the output end of alternating current generator, pass through electromagnetism
Brake obtains electric braking and AC motor brake to realize that vehicle is braked.But the braking system can't accomplish quickly
Braking, reliable braking.
Summary of the invention
The invention aims to solve the inadequate fast braking of the braking system of existing electri forklift, the reliably skill braked
Art problem provides a kind of brake system of forklift and its braking method
To solve the above-mentioned problems, the present invention is achieved by following technical scheme:
A kind of brake system of forklift of the present invention, comprising:
Input module comprising pedal brake and vehicle speed sensor；The pedal brake is for generating braking output quantity；Institute
It states the speed of vehicle speed sensor detection fork truck and generates speed output valve
Arrestment mechanism comprising electromagnetic brake and vacuum braking group；The electromagnetic brake is arranged on front wheel driving shaft；Institute
The brake for stating vacuum braking group is arranged on rear wheel driving axle；
Controller is connect with the gas pedal device and driving motor of fork truck respectively；The controller receives the defeated of input module
Output and output valve, and then the output power of controller regulation driving motor and the movement for controlling arrestment mechanism.
Further, the vacuum braking group includes:
Electric vacuum pump is connect with controller；The input terminal of the electric vacuum pump is connected with vacuum accumulator device, vacuum in turn
Booster and master cylinder；The master cylinder is connect with brake, and vacuum booster drives master cylinder output brake fluid extremely
Brake completes braking；
Check valve is connect with controller；The check valve is arranged between electric vacuum pump and vacuum accumulator device；
Pressure sensor, the vacuum pressure for being used to detect in vacuum accumulator device simultaneously generate pressure output amount；The controller connects
The pressure output amount of pressure sensor is received, and then controls the opening and closing of electric vacuum pump.
Further, the controller, pedal brake, arrestment mechanism and velocity sensor form service braking system；
The controller obtains the braking output quantity of pedal brake, and then the driving motor of controller regulation fork truck slows down or stops
Only and control arrestment mechanism acts, and fork truck is made to slow down or stop；
The speed output valve of the controller acquisition speed sensor, controls the output power of driving motor, controls the speed of fork truck
Degree.
Further, service braking system includes retarding braking, stopping brake and emergency braking, according to braking output quantity
Carry out selection control；
The retarding braking reduces output power and the control electromagnetic brake movement of driving motor by controller, subtracts fork truck
Speed braking；
The stopping brake closes driving motor and control electromagnetic brake movement by controller, makes fork-lift truck stopping brake；
The emergency braking is closed driving motor, control electromagnetic brake and vacuum braking group by controller and is acted, and fork truck is made
Emergency braking.
Further, the arrestment mechanism further include:
Electric losing self-locking type electromagnetic brake, connect with controller；Electric losing self-locking type electromagnetic brake setting drives in fork truck
On the output shaft of motor；
Park brake switch is connect with controller, and the park brake switch is for exporting parking brake signals.
Further, the controller, electric losing self-locking type electromagnetic brake, velocity sensor and park brake switch composition
Parking braking system；
Park brake switch is stirred to open, at this point, controller receives the speed output valve of velocity sensor, if speed output valve
Electric losing self-locking type electromagnetic brake is controlled when being zero to close, and is realized parking braking and is shown in the instrument of fork truck；
Park brake switch is stirred to open, at this point, controlling electromagnetic system when controller receives the signal of the gas pedal device of fork truck
Dynamic device is opened, and parking braking is released.
A kind of braking method according to above-mentioned brake system of forklift, comprising the following steps:
S1, fork truck starting, controller judge whether park brake switch disconnects, and judging result is otherwise to enter next step, instead
The parking brake indicator lamp then in the instrument of fork truck it is bright, and return to above-mentioned steps and rejudge；
S2, controller receive the signal of the gas pedal device of fork truck for the first time, and electric losing self-locking type electromagnetic brake, parking are opened in control
Brake release；The output power of driving motor is then controlled according to the signal of gas pedal device, driving motor drives fork truck traveling；
S3, controller control the movement of driving motor and arrestment mechanism, subtract fork truck according to the braking output quantity of pedal brake
Less or stop；
S4, controller judge whether the running speed of fork truck is zero, and then controller judges whether park brake switch is closed；If
The judging result of the two be simultaneously it is yes, then controller control electric losing self-locking type electromagnetic brake power loss closure, fork truck enter parking
Braking.
Further, controller controls driving motor and braking according to the braking output quantity of pedal brake in the S3
The movement of mechanism；Itself specifically, controller according to the braking output quantity of pedal brake, selection retarding braking, stopping brake and
Emergency braking；
The retarding braking reduces the electromagnetic brake in the output power and control arrestment mechanism of driving motor by controller
Movement, makes fork truck retarding braking；
The electromagnetic brake that the stopping brake is closed driving motor by controller and controlled in arrestment mechanism acts, and makes fork truck
Stopping brake；
The emergency braking is closed driving motor, control electromagnetic brake and vacuum braking group by controller and is moved at the same time, and makes
Fork truck emergency braking.
Compared with prior art, the beneficial effects of the present invention are:
The present invention uses vacuum braking group combining with electromagnetic brake, and the braking for guaranteeing fork truck quickly, reliably, improves peace
Full performance avoids the waste of the energy, reduces cost.Pass through the intelligence association of input module, controller and arrestment mechanism three
With under, this brake system of forklift is more intelligent, user-friendly for operation, braking is reliable.
By vacuum braking group, the vacuum degree that vacuum pump generates is big, and driver's pedal is laborsaving, more can guarantee that fork truck is braked
The handiness of system.Mechanical braking is more direct relative to the electric braking under current control technology, mature, reliable.In electricity
Under the electric braking system of electrical forklift, a vacuum braking group with mechanical braking superior function is added, passes through electricity between component
Gas connection, and not complicated mechanical structure, the more conducively installation and space layout of vehicle.Simultaneously faster to the braking of fork truck
It is fast, more reliable.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is a kind of system composition figure of brake system of forklift of the invention.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
As shown in Figure 1, a kind of brake system of forklift of the present invention comprising input module, controller and brake
Structure.The controller is connect with input module and arrestment mechanism respectively, and controller receives the output quantity and output valve of input module,
And then control the other function component of arrestment mechanism and fork truck.The brake system of forklift is powered by the battery unification of fork truck.
Input module includes gas pedal device, pedal brake, vehicle speed sensor, park brake switch and pressure sensing
Device.Wherein, pedal brake, vehicle speed sensor, park brake switch and pressure sensor and controller, arrestment mechanism constitute
Brake system of forklift.
Arrestment mechanism comprising electromagnetic brake, vacuum braking group and an electric losing self-locking type electromagnetic brake；The electromagnetism
Brake is arranged on front wheel driving shaft；The brake of the vacuum braking group is arranged on rear wheel driving axle；The power loss is certainly
Lock electromagnetic brake is arranged on the output shaft of the driving motor of fork truck.
Specifically, the electromagnetic brake: being fixed in the drive shaft of front-wheel by mechanical connection, acts mainly as deceleration system
Dynamic effect assists vacuum braking group to complete parking or the braking of emergency stop.When electromagnetic brake obtains it is electric when, to the drive shaft of front-wheel
Retarding braking is taken, it can be by adjusting to obtain electricity adjusting braking effect.When electromagnetic brake power loss, drive shaft is opened, thus
Realize the driving of fork truck.
The vacuum braking group includes electric vacuum pump, check valve, vacuum accumulator device, vacuum booster, master cylinder with
And several brakes.The input terminal of the electric vacuum pump is connected with vacuum accumulator device, vacuum booster and master cylinder in turn.
The master cylinder is connect with brake, and vacuum booster drives master cylinder to export brake fluid and completes to brake to brake.Institute
Stating check valve, it connect with controller；The check valve is arranged between electric vacuum pump and vacuum accumulator device.The pressure passes
Sensor, the vacuum pressure for being used to detect in vacuum accumulator device simultaneously generate pressure output amount；The controller receives pressure sensing
The pressure output amount of device, and then control the opening and closing of electric vacuum pump.Specifically, the driving group of two rear-wheels is arranged in the brake
Joining place.
When specific implementation: powering on, controller opens Motorized vacuum pump work, passes through check valve after about 20s to true
Empty accumulator and vacuum booster vacuumize.Pressure sensor detects the vacuum pressure of vacuum accumulator device, when in vacuum accumulator device
Vacuum pressure when reaching -80KPa, pressure sensor identification and to controller output pressure signal.Controller is closed electronic true
Sky pump, meanwhile, check valve ensure that the vacuum of vacuum accumulator device and vacuum booster does not leak, and increase vacuum braking group
Security performance.
When brake pedal device, vacuum booster pushes the brake in master cylinder output brake fluid to rear-wheel,
Realize the brake operating of vacuum braking group.In the process, the vacuum pressure of vacuum accumulator device and vacuum booster is declined,
When vacuum pressure drops to -55KPa, controller is again turned on electric vacuum pump, ensure that vacuum accumulator device and vacuum servo
The vacuum pressure of device.When not accelerating in driving process, is not braking, vehicle is in freewheeling condition, when not stepping on brake pedal
Motorized vacuum air pump inoperative, has saved the energy.
The electric losing self-locking type electromagnetic brake is arranged on the output shaft of driving motor.
Specifically, the associated components of brake system of forklift and fork truck are made with the explanation of its function and principle, as follows:
Gas pedal device: by the pressure being applied in gas pedal, throttle output quantity is generated to controller.By changing throttle
The stroke of pedal, the size for controlling analog output.The size of throttle output quantity is identified by controller, and then controls driving electricity
The output power of machine, so that fork truck be made to stablize driving or give it the gun, which mainly controls driving.
Pedal brake: working principle is the same with gas pedal device, is all analog output.By stepping on pedal travel control
The size of system braking output quantity.The size of braking output quantity is identified by controller, and then controller regulation driving motor is defeated
Power and control arrestment mechanism operation out, so that fork truck be made to slow down or stop, which mainly controls driving system
It is dynamic.
Velocity sensor: it is mounted on the mass center of fork truck, for detecting the running speed of fork truck and generating speed output
Value.
Park brake switch: it is standard two-level rocker switch.When park brake switch closure, the traveling function of fork truck
It can limit, controller closes the running of driving motor.When the speed output valve that velocity sensor issues is O, controller makes to lose
Electric self-locking type electromagnetic brake power loss closure.Meanwhile parking braking lamp P icon lights in display instrument.Work as park brake switch
When disconnection, the driving functions restriction cancellation of fork truck, hand braking lamp P icon extinguishes in display instrument, it is only necessary to light step on the gas switch
Pedal can be automatically released parking braking state.
Controller: it handles the signal and data of brake system of forklift, is received by controller and judges to input
The output quantity and output valve that module is issued, and then control the work and control arrestment mechanism movement of the driving motor of fork truck.
Direction switch: control forklift stroke direction is to move forward or back.
Display instrument: each working condition of fork truck is shown.
Further, the controller, pedal brake, arrestment mechanism and velocity sensor form service braking system.
Its working principles are as follows: the controller obtains the braking output quantity of pedal brake, and then the driving of controller regulation fork truck
Decelerating through motor or stopping and control arrestment mechanism movement, make fork truck slow down or stop.The controller acquisition speed sensor
Speed output valve, control the output power of driving motor, control the speed of fork truck.
Service braking system includes retarding braking, stopping brake and emergency braking, is selected according to braking output quantity
Control.The retarding braking reduces output power and the control electromagnetic brake movement of driving motor by controller, makes fork truck
Retarding braking；The stopping brake closes driving motor and control electromagnetic brake movement by controller, makes fork truck parking system
It is dynamic；The emergency braking is closed driving motor, control electromagnetic brake and vacuum braking group by controller and is acted, and keeps fork truck tight
Anxious braking.
Further, the controller, electric losing self-locking type electromagnetic brake, velocity sensor and park brake switch composition
Parking braking system.Its working principle is that: when stirring park brake switch closure, controller closes the running of driving motor.Directly
The speed output valve of velocity sensor is received to controller, if controlling electric losing self-locking type electromagnetic brake when speed output valve is zero
It closes, the output shaft of driving motor is locked, realizes parking braking and shows P icon in the instrument of fork truck.Stir parking braking
When switch disconnects, it is only necessary to a gas pedal device is gently stepped on, when controller receives the signal of the gas pedal device of fork truck, control electricity
Magnetic brake is opened, and parking braking is released.
System breaks down in order to prevent, this brake system of forklift is additionally provided with manual parking handle, in braking system
Connection.It is used for emergency braking.
A kind of braking method according to above-mentioned brake system of forklift, comprising the following steps:
S1, fork truck starting, controller judge whether park brake switch disconnects, and judging result is otherwise to enter next step, instead
The parking brake indicator lamp then in the instrument of fork truck it is bright, and return to above-mentioned steps and rejudge；
S2, controller receive the signal of the gas pedal of fork truck for the first time, and electric losing self-locking type electromagnetic brake, parking system are opened in control
It is dynamic to release；The output power of driving motor is then controlled according to the signal of gas pedal, driving motor drives fork truck traveling；
S3, controller control the movement of driving motor and arrestment mechanism, subtract fork truck according to the braking output quantity of pedal brake
Less or stop；
S4, controller judge whether the running speed of fork truck is zero, and then controller judges whether park brake switch is closed；If
The judging result of the two be simultaneously it is yes, then controller control electric losing self-locking type electromagnetic brake power loss closure, fork truck enter parking
Braking.
Controller is according to the braking output quantity of pedal brake in the S3, controls the dynamic of driving motor and arrestment mechanism
Make；Itself specifically, controller according to the braking output quantity of pedal brake, selection retarding braking, stopping brake and urgent system
It is dynamic；The retarding braking reduces the electromagnetic brake in the output power and control arrestment mechanism of driving motor by controller and moves
Make, makes fork truck retarding braking；The stopping brake closes driving motor by controller and controls the electromagnetic system in arrestment mechanism
Dynamic device movement, makes fork-lift truck stopping brake；The emergency braking closes driving motor, control electromagnetic brake and true by controller
Empty braking group simultaneously operation, makes fork truck emergency braking.
A kind of working principle of brake system of forklift of the present invention is:
The present invention uses vacuum braking group combining with electromagnetic brake, and the braking for guaranteeing fork truck quickly, reliably, improves peace
Full performance avoids the waste of the energy, reduces cost.Pass through the intelligence association of input module, controller and arrestment mechanism three
With under, this brake system of forklift is more intelligent, user-friendly for operation, braking is reliable.
By vacuum braking group, the vacuum degree that vacuum pump generates is big, and driver's pedal is laborsaving, more can guarantee that fork truck is braked
The handiness of system.Mechanical braking is more direct relative to the electric braking under current control technology, mature, reliable.In electricity
Under the electric braking system of electrical forklift, a vacuum braking group with mechanical braking superior function is added, passes through electricity between component
Gas connection, and not complicated mechanical structure, the more conducively installation and space layout of vehicle.Simultaneously faster to the braking of fork truck
It is fast, more reliable.
A kind of other structures of brake system of forklift described in the present embodiment are referring to the prior art.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, therefore
Without departing from the technical solutions of the present invention, according to the technical essence of the invention it is to the above embodiments it is any modification,
Equivalent variations and modification, all of which are still within the scope of the technical scheme of the invention.
Claims (8)
1. a kind of brake system of forklift characterized by comprising
Input module comprising pedal brake and vehicle speed sensor；The pedal brake is for generating braking output quantity；Institute
It states the speed of vehicle speed sensor detection fork truck and generates speed output valve；
Arrestment mechanism comprising electromagnetic brake and vacuum braking group；The electromagnetic brake is arranged on front wheel driving shaft；Institute
The brake for stating vacuum braking group is arranged on rear wheel driving axle；
Controller is connect with the gas pedal device and driving motor of fork truck respectively；The controller receives the defeated of input module
Output and output valve, and then the output power of controller regulation driving motor and the movement for controlling arrestment mechanism.
2. a kind of brake system of forklift according to claim 1, which is characterized in that the vacuum braking group includes:
Electric vacuum pump is connect with controller；The input terminal of the electric vacuum pump is connected with vacuum accumulator device, vacuum in turn
Booster and master cylinder；The master cylinder is connect with brake, and vacuum booster drives master cylinder output brake fluid extremely
Brake completes braking；
Check valve is connect with controller；The check valve is arranged between electric vacuum pump and vacuum accumulator device；
Pressure sensor, the vacuum pressure for being used to detect in vacuum accumulator device simultaneously generate pressure output amount；The controller connects
The pressure output amount of pressure sensor is received, and then controls the opening and closing of electric vacuum pump.
3. a kind of brake system of forklift according to claim 1, it is characterised in that:
The controller, pedal brake, arrestment mechanism and velocity sensor form service braking system；
The controller obtains the braking output quantity of pedal brake, and then the driving motor of controller regulation fork truck slows down or stops
Only and control arrestment mechanism acts, and fork truck is made to slow down or stop；
The speed output valve of the controller acquisition speed sensor, controls the output power of driving motor, controls the speed of fork truck
Degree.
4. a kind of brake system of forklift according to claim 3, it is characterised in that:
Service braking system includes retarding braking, stopping brake and emergency braking, carries out selection control according to braking output quantity；
The retarding braking reduces output power and the control electromagnetic brake movement of driving motor by controller, subtracts fork truck
Speed braking；
The stopping brake closes driving motor and control electromagnetic brake movement by controller, makes fork-lift truck stopping brake；
The emergency braking is closed driving motor, control electromagnetic brake and vacuum braking group by controller and is acted, and fork truck is made
Emergency braking.
5. brake system of forklift according to claim 1, which is characterized in that the arrestment mechanism further include:
Electric losing self-locking type electromagnetic brake, connect with controller；Electric losing self-locking type electromagnetic brake setting drives in fork truck
On the output shaft of motor；
Park brake switch is connect with controller, and the park brake switch is for exporting parking brake signals.
6. brake system of forklift according to claim 5, it is characterised in that:
The controller, electric losing self-locking type electromagnetic brake, velocity sensor and park brake switch form parking braking system；
When stirring park brake switch to be closed, controller receives the speed output valve of velocity sensor, if speed output valve is
Electric losing self-locking type electromagnetic brake is controlled when zero to close, and is realized parking braking and is shown in the instrument of fork truck；
When stirring park brake switch to disconnect, when controller receives the signal of the gas pedal device of fork truck, electromagnetic braking is controlled
Device is opened, and parking braking is released.
7. a kind of braking method of brake system of forklift described in any one according to claim 1~5, which is characterized in that packet
Include following steps:
S1, fork truck starting, controller judge whether park brake switch disconnects, and judging result is otherwise to enter next step, instead
The parking brake indicator lamp then in the instrument of fork truck it is bright, and return to above-mentioned steps and rejudge；
S2, controller receive the signal of the gas pedal device of fork truck for the first time, and electric losing self-locking type electromagnetic brake, parking are opened in control
Brake release；The output power of driving motor is then controlled according to the signal of gas pedal device, driving motor drives fork truck traveling；
S3, controller control the movement of driving motor and arrestment mechanism, subtract fork truck according to the braking output quantity of pedal brake
Less or stop；
S4, controller judge whether the running speed of fork truck is zero, and then controller judges whether park brake switch is closed；If
The judging result of the two be simultaneously it is yes, then controller control electric losing self-locking type electromagnetic brake power loss closure, fork truck enter parking
Braking.
8. the braking method of brake system of forklift according to claim 7, it is characterised in that:
Controller controls the movement of driving motor and arrestment mechanism according to the braking output quantity of pedal brake in the S3；Its
Specifically, controller is according to the braking output quantity of pedal brake, selection retarding braking, stopping brake and emergency braking；
The retarding braking reduces the electromagnetic brake in the output power and control arrestment mechanism of driving motor by controller
Movement, makes fork truck retarding braking；
The electromagnetic brake that the stopping brake is closed driving motor by controller and controlled in arrestment mechanism acts, and makes fork truck
Stopping brake；
The emergency braking is closed driving motor, control electromagnetic brake and vacuum braking group by controller and is moved at the same time, and makes
Fork truck emergency braking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810991793.6A CN109205516A (en) | 2018-08-29 | 2018-08-29 | A kind of brake system of forklift and its braking method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810991793.6A CN109205516A (en) | 2018-08-29 | 2018-08-29 | A kind of brake system of forklift and its braking method |
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| CN109205516A true CN109205516A (en) | 2019-01-15 |
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ID=64985524
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| CN201810991793.6A Pending CN109205516A (en) | 2018-08-29 | 2018-08-29 | A kind of brake system of forklift and its braking method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109910848A (en) * | 2019-04-26 | 2019-06-21 | 安徽合力股份有限公司 | Drive formula fork truck service braking system and control method in station |
| CN110683488A (en) * | 2019-09-29 | 2020-01-14 | 浙江事倍达物流设备有限公司 | Intelligent electric engineering vehicle and control method thereof |
| CN111016862A (en) * | 2019-12-26 | 2020-04-17 | 杭叉集团股份有限公司 | Anti-lock braking method and system for rear-drive forklift |
| CN111038465A (en) * | 2019-12-26 | 2020-04-21 | 湘潭大学 | Integrated brake-by-wire system for vehicle and control method |
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| CN107662503A (en) * | 2017-09-13 | 2018-02-06 | 浙江工业大学之江学院 | Discrimination method is intended to based on acceleration and the electric vehicle brake of brake pedal status |
| CN108437805A (en) * | 2018-03-09 | 2018-08-24 | 武汉理工大学 | Regenerating braking energy recycling control based on wheel hub motor four-wheel drive vehicle and computational methods |
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| CN109910848A (en) * | 2019-04-26 | 2019-06-21 | 安徽合力股份有限公司 | Drive formula fork truck service braking system and control method in station |
| CN109910848B (en) * | 2019-04-26 | 2023-09-22 | 安徽合力股份有限公司 | Driving braking system and control method of standing forklift |
| CN110683488A (en) * | 2019-09-29 | 2020-01-14 | 浙江事倍达物流设备有限公司 | Intelligent electric engineering vehicle and control method thereof |
| CN111016862A (en) * | 2019-12-26 | 2020-04-17 | 杭叉集团股份有限公司 | Anti-lock braking method and system for rear-drive forklift |
| CN111038465A (en) * | 2019-12-26 | 2020-04-21 | 湘潭大学 | Integrated brake-by-wire system for vehicle and control method |
| CN111038465B (en) * | 2019-12-26 | 2021-03-23 | 湘潭大学 | Integrated brake-by-wire system for vehicle and control method |
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