CN207660911U - Emergency brake discharges system and its hoisting system - Google Patents
Emergency brake discharges system and its hoisting system Download PDFInfo
- Publication number
- CN207660911U CN207660911U CN201721652497.0U CN201721652497U CN207660911U CN 207660911 U CN207660911 U CN 207660911U CN 201721652497 U CN201721652497 U CN 201721652497U CN 207660911 U CN207660911 U CN 207660911U
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- China
- Prior art keywords
- emergent
- oil
- valve
- brake
- supply system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of emergency brakes to discharge system, including battery, brake monitor and emergent liquid braking device；Battery provides power supply for emergent liquid braking device；Brake monitor issues the emergent liquid braking device work of control signal control, realizes that lifting mechanism discharges weight when power is off.The utility model additionally provides the lifting mechanism that system is discharged including emergency brake.The utility model can ensure lifting mechanism safely and fast controllable release weight in system cut-off, and simple in structure, securely and reliably.
Description
Technical field
The purpose of this utility model is to provide a kind of emergency brake release system and its hoisting systems.
Background technology
With the development and the improvement of people's living standards of national economy technology, electric energy has become the daily production of people
With essential secondary energy sources in life, endless facility is brought to the production and life of people.
Lifting mechanism is the important auxiliary body in industrial production, and existing lifting mechanism is all made of electric hydraulic controlling party
Formula.Hydraulic brake is to apply a kind of device to brake in lifting mechanism, is subtracted in lifting mechanism course of normal operation
When speed parking, it is reliably achieved band-type brake and checks lifting mechanism；In the case where being in an emergency, can be checked with quick response, band-type brake
Rise mechanism；When lifting mechanism is stopped, hoisting mechanism can be checked with band-type brake, lifting mechanism is made to be failure to actuate.
But when there is significant trouble, such as when lifting mechanism total system powers off, lifting mechanism will be embraced directly at this time
Extremely, lifted weight will hover in the air.For safety and the needs of maintenance, it is necessary in a short time discharge weight to ground or certain
A security platform.In existing technology, common method is by manually using the manual pump of brake fluid pressure station institute band to system
Dynamic oil cylinder pressurization, when the pressure in oil cylinder reaches certain value, oil cylinder piston starts to compress disc spring, and brake shoe is made to be applied to brake disc
On pressure reduce, be finally completed hands off process, weight be discharged into ground or security platform.But this method is uncontrollable
Formula needs the personnel operated to have proficiency skills, is slowly repeatedly opened and closed lock；Careless slightly, weight will quickly drop, and cause weight
The damage of object and miscellaneous equipment；And it is long the time required to this method, it is unsatisfactory for quickly repairing the demand of failure.
Utility model content
One of the purpose of this utility model is that lifting mechanism can be ensured safely and fast in system cut-off by providing one kind
The emergency brake of controllable release weight discharges system.
The two of the purpose of this utility model be to provide it is a kind of include the emergency brake release system hoisting system.
This emergency brake provided by the utility model discharges system, including battery, brake monitor and emergent hydraulic pressure system
Dynamic device；The emergent liquid braking device of battery connection, for providing power supply in system cut-off for emergent liquid braking device；Control for brake
Device is connect with emergent liquid braking device, for issuing the emergent liquid braking device work of control signal control, to realize lifting machine
Structure discharges weight when power is off.
The emergency brake release system further includes management of charging and discharging device；Management of charging and discharging device is connected to battery and meets an urgent need
Between liquid braking device, it is managed for realizing the charging and discharging process to battery.
The emergency brake release system further includes velocity sensor；Velocity sensor is for sampling the emergency brake
The rotating speed of hoisting motor in the lifting mechanism that release system is controlled, and rotary speed information is uploaded into brake monitor.
The emergent liquid braking device, including fuel tank (1), main oil supply system and one-way cylinder (8), the main fuel feeding
System is connected between fuel tank and one-way cylinder, and the main oil supply system is driven from brake monitor to one-way cylinder fuel feeding
Open a sluice gate release movement, the one-way cylinder is closed by closing the control of lock spring, the brake further include proportional pressure control valve and
Emergent oil supply system, the emergent oil supply system and main oil supply system are powered by different power supplies, the emergent fuel feeding
System one end is connected with fuel tank, one end is serially connected in the oil between main oil supply system and one-way cylinder by two-position three way magnetic valve
On the road, the proportional pressure control valve is attempted by the oil circuit between emergent oil supply system and two-position three way magnetic valve, the emergent confession
Oil system is driven from brake monitor and carries out opening a sluice gate release movement to one-way cylinder fuel feeding when main oil supply system is powered off, described
Proportional pressure control valve stablizes fuel feeding from the emergent oil supply system of brake monitor adjusting control to one-way cylinder；The one-way cylinder
Connect lifting mechanism brake, for control brake open a sluice gate and band-type brake.
The main oil supply system include main oil pump (2), main motor (3), two solenoid directional control valves (4,5), two pressure after
Electric appliance (6,7) and accumulator (9), the emergent oil supply system include emergent oil pump (11) and emergent motor (12), the main electricity
Machine and emergent motor are powered by different power supplies, and the main motor driving main oil pump extracts the oil in fuel tank, main oil
The oil circuit of pump is connected by the first solenoid directional control valve, two-position three way magnetic valve and one-way cylinder, the second solenoid directional control valve and the
Two pressure switches are attempted by the oil circuit between the first solenoid directional control valve and two-position three way magnetic valve, first pressure relay
And accumulator is attempted by the oil circuit between main oil pump and the first solenoid directional control valve；The emergent motor drives emergency oil pumping
The oil in fuel tank is taken, the oil circuit of emergent oil pump is connect with two-position three way magnetic valve, and proportional pressure control valve is attempted by emergent oil pump and two
On oil circuit between position-3-way solenoid valve；The brake monitor controls the operating of each motor, the electromagnet of solenoid valve obtain it is electric or
Dead electricity.
On oil circuit between first solenoid directional control valve and two-position three way magnetic valve and it is connected to a manual pump (14).
It is mounted on filter (15) at the inlet port of the main oil pump, emergent oil pump and manual pump.
It is mounted on check valve in the oil outlet of the main oil pump, emergent oil pump and manual pump.
Between the main oil pump and check valve, emergent and it is connected to overflow valve between oil pump and check valve.
And it is connected to pressure between the check valve and the first solenoid directional control valve, between check valve and two-position three way magnetic valve
Power table.
The one-way cylinder is equipped with amount of spring compression detector (18), which closes for monitoring
The decrement of lock spring simultaneously sends the signal for adjusting proportional pressure control valve to brake monitor.
The utility model additionally provides a kind of hoisting system, and the hoisting system includes that the emergency brake release is
System.
This emergency brake provided by the utility model discharges system, by increase a set of power supply, emergent motor and
Existing oil feed line, is connect with one-way cylinder by emergent oil pump respectively using two-position three way magnetic valve with emergent oil feed line,
When main power source powers off, when one-way cylinder switching-off action can not continue, user can voluntarily start increased power supply power supply, by meeting an urgent need
Oil pump continues fuel feeding pressurize by two-position three way magnetic valve to one-way cylinder opens a sluice gate, it is ensured that complete machine workflow is smooth；Pass through
It between oil pump and two-position three way magnetic valve and connects a proportional pressure control valve emergent and is made by the constantly adjusting of comparative example overflow valve
The oil pressure that one-way cylinder is flowed into from emergent oil pump is effectively controlled, and can effectively realize that slow floating formula is opened a sluice gate, it is ensured that open a sluice gate
The stabilization of work continues；Finally, the utility model is simple in structure, can ensure to hold in normally closed brake main motor power blackout situation
It is continuous and that stablizes opens a sluice gate, it can ensure lifting mechanism safely and fast controllable release weight in system cut-off, reduce accident
Occurrence probability.
Description of the drawings
Fig. 1 is that the emergency brake of the utility model discharges the functional block diagram of system.
Fig. 2 is the hydraulic principle schematic diagram of the emergent liquid braking device of the utility model.
Fig. 3 is principle schematic of the emergent liquid braking device of the utility model in energy storage pressurize.
Fig. 4 is principle schematic of the emergent liquid braking device of the utility model when normally opening a sluice gate.
Fig. 5 is principle schematic of the emergent liquid braking device of the utility model in emergent open a sluice gate.
Specific implementation mode
The functional block diagram of system is discharged for the emergency brake of the utility model as shown in Figure 1：It is provided by the utility model
This emergency brake discharges system, including battery, brake monitor, emergent liquid braking device, management of charging and discharging device and speed pass
Sensor；The emergent liquid braking device of battery connection, for providing power supply in system cut-off for emergent liquid braking device；Control for brake
Device is connect with emergent liquid braking device, for issuing the emergent liquid braking device work of control signal control, to realize lifting machine
Structure discharges weight when power is off；Management of charging and discharging device is connected between battery and emergent liquid braking device, for realizing to battery
Charging and discharging process be managed；Velocity sensor is used to sample the lifting machine that the emergency brake release system is controlled
The rotating speed of hoisting motor in structure, and rotary speed information is uploaded into brake monitor.
It is illustrated in figure 2 the hydraulic principle schematic diagram of the emergent liquid braking device of the utility model：It is marked shown in figure
And corresponding component name is：1, fuel tank；2, main oil pump；3, main motor；4,5 be respectively the first solenoid directional control valve, the second electricity
Magnetic reversal valve；6,7 be respectively first pressure relay, second pressure relay；8, one-way cylinder；9, accumulator；10, two
Three-way magnetic valve；11, emergent oil pump；12, emergent motor；13, proportional pressure control valve；14, manual pump；15, filter；16, overflow
Valve；17, pressure gauge；18, amount of spring compression detector；81, lock spring is closed
The liquid braking device figure it is seen that this new type of safe of the utility model is met an urgent need, including fuel tank 1, main fuel feeding system
System, one-way cylinder 8, two-position three way magnetic valve 10, emergent oil supply system, proportional pressure control valve 13, amount of spring compression detector 18
And brake monitor, wherein main oil supply system includes main oil pump 2, main motor 3, the first normally opened solenoid directional control valve 4, normally opened
Second solenoid directional control valve 5, first pressure relay 6, second pressure relay 7 and accumulator 9, oil supply system of meeting an urgent need include emergent
Oil pump 11 and emergent motor 12, be equipped in the rodless cavity of one-way cylinder 8 for be closed clamp close lock spring 81；
Wherein, the inlet port of main oil pump 2 and emergent oil pump 11 is connected with fuel tank 1；Main motor 3 and emergent motor 12 be not by
Same power supply power supply；Main motor 3 is electrically connected with main oil pump 2, for driving main oil pump 2 to extract the oil in fuel tank 1；Emergent motor 12
It is electrically connected with emergent oil pump 11, for driving emergent oil pump 11 to extract the oil in fuel tank 1；The oil circuit of 2 oil outlet of main oil pump passes through
One check valve respectively with A mouths, first pressure relay 6 and the accumulator 9 of the first solenoid directional control valve 4 and connect, the first electromagnetism changes
To valve 4 B mouths oil circuit respectively with the A mouths of the second solenoid directional control valve 5, the A mouths of two-position three way magnetic valve 10 and second pressure relay
Device 7 simultaneously connects, and the B mouths of the second solenoid directional control valve 5 are connected with fuel tank 1；The oil circuit of 11 oil outlet of emergent oil pump passes through a check valve
It is connected respectively with the B of proportional pressure control valve 13 and two-position three way magnetic valve 10 mouths, C mouths and the single-acting oil of two-position three way magnetic valve 10
The rod chamber of cylinder 8 is connected；First pressure relay 6 is used to monitor the real-time oil pressure of accumulator 9 and is sent out instead to brake monitor
Feedback signal, second pressure relay 7 are used to monitor the real-time oil pressure for flowing into one-way cylinder 8 and send out feedback to brake monitor
Signal, amount of spring compression detector 18 are mounted on one-way cylinder 8 for monitoring the decrement for closing lock spring 81 and to control
Device send adjust proportional pressure control valve 13 signal, brake monitor controls the operating of each motor, the electromagnet of solenoid valve obtain it is electric or
Dead electricity.
Figure it is seen that the emergent liquid braking device of the utility model further include manual pump 14, several filters 15,
The inlet port of several overflow valves and several pressure gauges, manual pump 14 is connected with fuel tank 1, and the oil circuit of 14 oil outlet of manual pump passes through
Oil communication between the A mouths of the B mouths and the second solenoid directional control valve 5 of one check valve and the first solenoid directional control valve 4；Filter 15
It is separately mounted at the inlet port of main oil pump 2, emergent oil pump 11 and manual pump 14, for filtering hydraulic oil, ensures to enter entire
The cleannes of brake hydraulic oil；The import oil circuit of overflow valve 16 is attempted by between main oil pump 2 and check valve, emergent oil pump 11 with
On oil circuit between check valve, the outlet oil circuit of overflow valve 16 is connected with fuel tank 1；Pressure gauge 18 is attempted by check valve and the first electricity
On oil circuit between the A mouths of magnetic reversal valve 4, between check valve and the B mouths of two-position three way magnetic valve 10.
The utility model action process is as follows：
1, as shown in figure 3, the utility model is during just normally closed lock, main motor 3 starts, brake monitor control first
The electromagnet of solenoid directional control valve 4 obtains electric, its A mouthfuls and B mouthful is made to disconnect, and main oil pump 2 is to 9 fuel feeding of accumulator；When reaching first pressure
When the operating pressure that relay 6 is set, first pressure relay 6 sends out signal, and brake monitor controls main motor 3 and stops fortune
Turn, brake is in energy storage packing state.
2, as shown in figure 4, during normal open a sluice gate, the electromagnet that brake monitor controls the first solenoid directional control valve 4 loses
Electric, the second solenoid directional control valve 5 electromagnet obtains electric, two-position three way magnetic valve 10 electromagnet dead electricity, the second solenoid directional control valve 5
A mouthfuls and B mouthfuls disconnections, close the access of the rod chamber and fuel tank 1 of one-way cylinder 8；Meanwhile first solenoid directional control valve 4 A mouths and
B mouthfuls of connections, the A mouths of two-position three way magnetic valve 10 are connected to C mouthfuls, and high pressure liquid pressure oil flows to having for one-way cylinder 8 from accumulator 9
Rod cavity, brake quickly execute and open a sluice gate release movement, and second pressure relay 7, which is sent out, opens a sluice gate signal to custom system；From accumulation of energy
When the hydraulic fluid pressure that device 9 flows to the rod chamber of one-way cylinder 8 reduces to second pressure relay 7 operating pressure set,
Second pressure relay 7 sends out signal, and brake monitor control main motor 3, which voluntarily operates, carries out ftercompction.
3, as shown in figure 5, during promptly opening a sluice gate while powering off suddenly (such as system), main motor 3 powers off, control for brake
Device control meet an urgent need motor 12 start, the electromagnet of two-position three way magnetic valve 10 obtain it is electric, B mouths of two-position three way magnetic valve 10 with C mouthfuls
Connection, according to the operating pressure that proportional pressure control valve 13 is set, rod chamber fuel feeding pressurize of the oil pump 11 to one-way cylinder 8 of meeting an urgent need,
Ensure that the urgent of brake is opened a sluice gate；During opening a sluice gate to release braking, amount of spring compression detector 18 constantly monitors and closes lock bullet
The data that this is monitored simultaneously are sent to brake monitor by the decrement of spring 81, and brake monitor passes through amount of spring compression detector
18 data monitored constantly adjust the operating pressure of proportional pressure control valve 13, it is ensured that the emergent dynamics and stabilization opened a sluice gate.
This emergency brake provided by the utility model discharges system, can be used for other any need and carries out raising operation
Equipment, including bridge crane, gantry crane, gate hoist, gantry crane crane, mine hoist, crane for steelworks use, collection
Vanning is hung, claw bucket sling, rubbish are hung, electromagnetic lifter, derrick crane, hoist engine, belt tension machine and drilling well elevator etc..
Claims (9)
1. a kind of emergency brake discharges system, it is characterised in that including battery, brake monitor and emergent liquid braking device；Battery
The emergent liquid braking device of connection, for providing power supply in system cut-off for emergent liquid braking device；Brake monitor with it is emergent
Liquid braking device connects, for issuing the emergent liquid braking device work of control signal control, to realize that lifting mechanism is powering off
When discharge weight.
2. emergency brake according to claim 1 discharges system, it is characterised in that further include management of charging and discharging device；Charge and discharge
Manager is connected between battery and emergent liquid braking device, is managed for realizing the charging and discharging process to battery.
3. emergency brake according to claim 1 discharges system, it is characterised in that further include velocity sensor；Velocity pick-up
Device is used to sample the rotating speed of hoisting motor in the lifting mechanism that the emergency brake release system is controlled, and will be on rotary speed information
Pass brake monitor.
4. the emergency brake according to one of claims 1 to 3 discharges system, it is characterised in that the emergent hydraulic braking
Device, including fuel tank (1), main oil supply system and one-way cylinder (8), the main oil supply system are connected to fuel tank and one-way cylinder
Between, the main oil supply system is driven from brake monitor and carries out opening a sluice gate release movement, the nonoculture to one-way cylinder fuel feeding
It is closed with oil cylinder by closing the control of lock spring, which further includes proportional pressure control valve and emergent oil supply system, the emergent fuel feeding system
System and main oil supply system are powered by different power supplies, and described emergent oil supply system one end is connected with fuel tank, one end is logical
It crosses on the oil circuit that two-position three way magnetic valve is serially connected between main oil supply system and one-way cylinder, the proportional pressure control valve is attempted by
On emergent oil circuit between oil supply system and two-position three way magnetic valve, the emergent oil supply system is driven by brake monitor in master
Oil supply system carries out opening a sluice gate release movement to one-way cylinder fuel feeding when powering off, and the proportional pressure control valve is adjusted by brake monitor
The emergent oil supply system of control stablizes fuel feeding to one-way cylinder；The brake of the one-way cylinder connection lifting mechanism, is used for
Control brake open a sluice gate and band-type brake.
5. emergency brake according to claim 4 discharges system, it is characterised in that the main oil supply system includes main oil pump
(2), main motor (3), two solenoid directional control valves (4,5), two pressure switches (6,7) and accumulator (9), the emergent fuel feeding
System includes that emergent oil pump (11) and emergent motor (12), the main motor and emergent motor are supplied by different power supplies
Electricity, the main motor driving main oil pump extract the oil in fuel tank, and the oil circuit of main oil pump passes through the first solenoid directional control valve, two-position three way
Solenoid valve is connect with one-way cylinder, the second solenoid directional control valve and second pressure relay be attempted by the first solenoid directional control valve with
On oil circuit between two-position three way magnetic valve, first pressure relay and accumulator are attempted by main oil pump and the first electromagnetic switch
On oil circuit between valve；The emergent motor driving emergency oil pumping takes the oil in fuel tank, the oil circuit for oil pump of meeting an urgent need and two three
Three-way electromagnetic valve connects, and proportional pressure control valve is attempted by the oil circuit between emergent oil pump and two-position three way magnetic valve；The braking control
Device processed controls the operating of each motor, the electromagnet of solenoid valve obtains electric or dead electricity.
6. emergency brake according to claim 5 discharges system, it is characterised in that first solenoid directional control valve and two
On oil circuit between three-way magnetic valve and it is connected to a manual pump (14).
7. emergency brake according to claim 5 discharges system, it is characterised in that between the main oil pump and check valve, answer
And it is connected to overflow valve between anxious oil pump and check valve.
8. emergency brake according to claim 5 discharges system, it is characterised in that the one-way cylinder is equipped with spring
Decrement detector (18), the amount of spring compression detector is for monitoring the decrement for closing lock spring and being sent to brake monitor
Adjust the signal of proportional pressure control valve.
9. a kind of hoisting system, it is characterised in that discharge system including the emergency brake described in one of claim 1~8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721652497.0U CN207660911U (en) | 2017-12-01 | 2017-12-01 | Emergency brake discharges system and its hoisting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721652497.0U CN207660911U (en) | 2017-12-01 | 2017-12-01 | Emergency brake discharges system and its hoisting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207660911U true CN207660911U (en) | 2018-07-27 |
Family
ID=62939341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721652497.0U Withdrawn - After Issue CN207660911U (en) | 2017-12-01 | 2017-12-01 | Emergency brake discharges system and its hoisting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207660911U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005968A (en) * | 2017-12-01 | 2018-05-08 | 江西工埠机械有限责任公司 | Emergency brake release system, control method and its hoisting system |
| CN108953433A (en) * | 2018-11-01 | 2018-12-07 | 江苏新瑞重工科技有限公司 | Cradle-type turntable brake gear Anti-fall hydraulic pressure maintaining unit and its working method |
-
2017
- 2017-12-01 CN CN201721652497.0U patent/CN207660911U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005968A (en) * | 2017-12-01 | 2018-05-08 | 江西工埠机械有限责任公司 | Emergency brake release system, control method and its hoisting system |
| CN108005968B (en) * | 2017-12-01 | 2023-09-15 | 江西工埠机械有限责任公司 | Emergency brake release system, control method and lifting system thereof |
| CN108953433A (en) * | 2018-11-01 | 2018-12-07 | 江苏新瑞重工科技有限公司 | Cradle-type turntable brake gear Anti-fall hydraulic pressure maintaining unit and its working method |
| CN108953433B (en) * | 2018-11-01 | 2019-02-05 | 江苏新瑞重工科技有限公司 | Cradle-type turntable brake gear Anti-fall hydraulic pressure maintaining unit and its working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180727 Effective date of abandoning: 20230915 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180727 Effective date of abandoning: 20230915 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |