CN203560340U - Hydraulic control device for safety brake - Google Patents
Hydraulic control device for safety brake Download PDFInfo
- Publication number
- CN203560340U CN203560340U CN201320610753.5U CN201320610753U CN203560340U CN 203560340 U CN203560340 U CN 203560340U CN 201320610753 U CN201320610753 U CN 201320610753U CN 203560340 U CN203560340 U CN 203560340U
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- China
- Prior art keywords
- fuel tank
- hydraulic control
- control device
- pressure oil
- safety brake
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Abstract
The utility model provides a hydraulic control device for a safety brake. The hydraulic control device comprises a brake body and a pressure oil tank, wherein the pressure oil tank is used for supplying oil for the brake body and connected with the oil tank of the brake body through an electric hydraulic control device; a manual hydraulic control device and an emergency braking device are connected in parallel between the pressure oil tank and the oil tank of the brake body. The hydraulic control device has the advantages that various failures of the brake can be reduced; the brake can be opened in any case, so as to realize the operation of a crane mechanism. Therefore, the reliability, the stability and the safety of the action of the brake are improved.
Description
technical field:
The utility model relates to a kind of safety brake hydraulic control device, belongs to break control technique field.
background technique:
The main hoisting mechanism majority of hoister in large tonnage (driving) all designs and adopts planetary speed reducer and be fitted with safety (accident) break at present.This on-the-spot covering device repeatedly breaks down in utilization process, and production and safety are all brought to considerable influence, has serious potential safety hazard simultaneously.
Through the analysis to former brake gear, find that this device exists following several problem: 1, hydraulic station is without oil level and oil temperature control or warning; 2, system is without pressurizer; 3, motor without the operating time long and frequency of okperation too much report to the police and protective gear, easily there is mistake in two pressure relayes; Once 4, electrical system goes wrong, without effective open device, cause this device to be stopped using.
model utility content:
The purpose of this utility model is to provide a kind of safety brake hydraulic control device for the problem of above-mentioned existence, in the action of electro hydraulic gear control safety brake that obtains better effects, because of the series of problems that hydraulic system self occurs, do not cause this failure of apparatus, considered after electromotion system lost efficacy simultaneously and also can adopt other modes to open this safety brake, guarantee that hoist can continue operation.
Above-mentioned object realizes by following technological scheme:
Safety brake hydraulic control device, comprise break body and the pressure oil fuel tank to break body fuel feeding, described pressure oil fuel tank, by the fuel tank of electro-hydraulic control apparatus connecting brake body, is also parallel with hydraulic manual control unit and urgency braking device between described pressure oil fuel tank and the fuel tank of described break body.
Described safety brake hydraulic control device, described electro-hydraulic control apparatus comprises electronic working line, on described electronic working line, motor-drive pump is installed successively, the first one-way valve, the second one-way valve, the second stop valve, on described electronic working line, pass through the first solenoid directional control valve and the first stop valve Bonding pressure relay, described hydraulic manual control unit comprises the manual work pipeline being connected between described pressure oil fuel tank and the fuel tank of described break body, the 5th one-way valve is installed on described manual work pipeline, hand pump, the 4th one-way valve, described urgency braking device comprises the external pump of the urgency in parallel with described manual work pipeline, on electronic working line described in accumulator and the second solenoid directional control valve are connected in parallel on and described manual work pipeline.
Described safety brake hydraulic control device, is parallel with relief valve between described electronic working line and described pressure oil fuel tank.
Described safety brake hydraulic control device, is provided with level alarming device on described pressure oil fuel tank.
Described safety brake hydraulic control device, the mailbox place setting pressure table of close described break body on described electronic working line.
Beneficial effect:
The utility model reduces the various faults of this break, has guaranteed under any circumstance can open rapidly break, realizes the running of Mechanism of crane.Thereby reliability, stability and the Security of this break action have been improved.
accompanying drawing explanation:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is pipeline connecting figure of the present utility model.
In figure: 100-electro-hydraulic control apparatus, 200-hydraulic manual control unit, 300-break body, the external pump-unit of 400-urgency, 500-pressure oil fuel tank, 101-motor-drive pump, 102-relief valve, 103-the first one-way valve, 104-the second one-way valve, 110-the 3rd one-way valve, 202-the 4th one-way valve, 203-the 5th one-way valve, 105-the first solenoid directional control valve, the 112-the second solenoid directional control valve, 106-the first stop valve, 107-the second stop valve, 108-the 3rd stop valve, 111-pressure gauge, 113-accumulator, 109-pressure relay, 120-level alarming device, 201-hand pump.
embodiment:
Below in conjunction with accompanying drawing, the utility model is further illustrated.
As shown in Figure 1-2: safety brake hydraulic control device of the present utility model, comprise break body 300 and the pressure oil fuel tank 500 to break body fuel feeding, described pressure oil fuel tank, by the fuel tank of electro-hydraulic control apparatus 100 connecting brake bodies, is also parallel with hydraulic manual control unit 200 and urgency braking device 400 between described pressure oil fuel tank and the fuel tank of described break body.
Described safety brake hydraulic control device, described electro-hydraulic control apparatus comprises electronic working line, on described electronic working line, motor-drive pump 101 is installed successively, the first one-way valve 103, the second one-way valve 104, the second stop valve 107, on described electronic working line, pass through the first solenoid directional control valve 105 and the first stop valve 106 Bonding pressure relays 109, described hydraulic manual control unit comprises the manual work pipeline being connected between described pressure oil fuel tank and the fuel tank of described break body, the 5th one-way valve 203 is installed on described manual work pipeline, hand pump 201, the 4th one-way valve 202, described urgency braking device comprises the external pump 401 of the urgency in parallel with described manual work pipeline, on electronic working line described in accumulator 113 and the second solenoid directional control valve 112 are connected in parallel on and described manual work pipeline.
Described safety brake hydraulic control device, is parallel with relief valve 102 between described electronic working line and described pressure oil fuel tank.
Described safety brake hydraulic control device, is provided with level alarming device 120 on described pressure oil fuel tank.
Described safety brake hydraulic control device, the mailbox place setting pressure table 111 of close described break body on described electronic working line.
Working procedure:
1. the moving working principle of normal electrical: motor-drive pump 101 is switched on, pressure oil passes through motor-drive pump 101 through the first one-way valve 103, the second one-way valve 104 from fuel tank, the second stop valve 107(open mode of flowing through), through pipeline, enter the oil cylinder of break body 300, compression cylinder inner spring, opens break.Wherein, relief valve 102 plays the effect of pressure in regulating system pipeline, and can protect motor-drive pump, once pressure exceedes setting, and relief valve 102 releasing pressure automaticallies.The moving pump 101 of the big or small automatic control electric of pressure relay 109 by pressure in pipeline is worked, but pressure is while being less than setting value, and pressure relay sends signal and starts motor-drive pump 101; When pressure is greater than setting value, motor-drive pump obtains signal power-off and quits work.Pressure gauge 111 is the effects that show loine pressure.Accumulator 113 and solenoid valve 112 are the effects to pipe-line system pressurize, and when loine pressure is reduced to certain value, the pressure oil automatic compensating of accumulator 113 is in pipeline; In system, there are 120 oil temperature warning device control system oil temperatures; Motor continuous operating time and start frequency detecting control gear (adopting PLC) and control the startup situation of motor, is unlikely to occur that motor works long hours continuously causes the damage of hydraulic pressure vavle shelf etc.; When system does not need work, solenoid valve 105 dead electricity, pressure oil is got back to fuel tank by pipeline, arrester close.
2. manual work principle: when electromotion system goes wrong, manually close manual the first stop valve 106, by suppressing of hand pump 201, pressure oil enters break oil cylinder by the 5th one-way valve 203,202, and break 300 is opened.Then take machinery type by brake grab.
3. external pump-unit pump work principle: when manual work system also breaks down, we close the second stop valve 107, open the 3rd stop valve 108, by manpower, drive the external pump-unit 400 of urgency, pressure oil is pressed into pipeline, pressure oil enters the oil cylinder of break 300 by pipeline, break 300 is opened.Then take machinery type by brake grab.
Claims (5)
1. a safety brake hydraulic control device, comprise break body and the pressure oil fuel tank to break body fuel feeding, described pressure oil fuel tank, by the fuel tank of electro-hydraulic control apparatus connecting brake body, is characterized in that: between described pressure oil fuel tank and the fuel tank of described break body, be also parallel with hydraulic manual control unit and urgency braking device.
2. safety brake hydraulic control device according to claim 1, it is characterized in that: described electro-hydraulic control apparatus comprises electronic working line, on described electronic working line, motor-drive pump is installed successively, the first one-way valve, the second one-way valve, the second stop valve, on described electronic working line, pass through the first solenoid directional control valve and the first stop valve Bonding pressure relay, described hydraulic manual control unit comprises the manual work pipeline being connected between described pressure oil fuel tank and the fuel tank of described break body, the 5th one-way valve is installed on described manual work pipeline, hand pump, the 4th one-way valve, described urgency braking device comprises the external pump of the urgency in parallel with described manual work pipeline, on electronic working line described in accumulator and the second solenoid directional control valve are connected in parallel on and described manual work pipeline.
3. safety brake hydraulic control device according to claim 1 and 2, is characterized in that: between described electronic working line and described pressure oil fuel tank, be parallel with relief valve.
4. safety brake hydraulic control device according to claim 1 and 2, is characterized in that: on described pressure oil fuel tank, be provided with level alarming device.
5. safety brake hydraulic control device according to claim 1 and 2, is characterized in that: the mailbox place setting pressure table of close described break body on described electronic working line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320610753.5U CN203560340U (en) | 2013-09-30 | 2013-09-30 | Hydraulic control device for safety brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320610753.5U CN203560340U (en) | 2013-09-30 | 2013-09-30 | Hydraulic control device for safety brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203560340U true CN203560340U (en) | 2014-04-23 |
Family
ID=50510063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320610753.5U Expired - Lifetime CN203560340U (en) | 2013-09-30 | 2013-09-30 | Hydraulic control device for safety brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203560340U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707673A (en) * | 2019-02-26 | 2019-05-03 | 江苏力源液压机械有限公司 | A kind of manual/auto integrated two-way rotary shaft hydraulic braking system |
| CN113719565A (en) * | 2020-05-26 | 2021-11-30 | 宝山钢铁股份有限公司 | Electric hydraulic push rod brake and control method thereof |
-
2013
- 2013-09-30 CN CN201320610753.5U patent/CN203560340U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707673A (en) * | 2019-02-26 | 2019-05-03 | 江苏力源液压机械有限公司 | A kind of manual/auto integrated two-way rotary shaft hydraulic braking system |
| CN113719565A (en) * | 2020-05-26 | 2021-11-30 | 宝山钢铁股份有限公司 | Electric hydraulic push rod brake and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |
|
| CX01 | Expiry of patent term |