CN107673158A - A kind of hoist braking system redundant loop - Google Patents
A kind of hoist braking system redundant loop Download PDFInfo
- Publication number
- CN107673158A CN107673158A CN201710919134.7A CN201710919134A CN107673158A CN 107673158 A CN107673158 A CN 107673158A CN 201710919134 A CN201710919134 A CN 201710919134A CN 107673158 A CN107673158 A CN 107673158A
- Authority
- CN
- China
- Prior art keywords
- valve
- solenoid directional
- directional control
- control valve
- hydraulic
- Prior art date
- 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.)
- Pending
Links
- 230000005611 electricity Effects 0.000 claims abstract description 16
- 239000003921 oil Substances 0.000 claims description 28
- 239000002828 fuel tank Substances 0.000 claims description 12
- 230000001934 delay Effects 0.000 claims description 4
- 239000000295 fuel oil Substances 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004224 protection Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/24—Operating devices
- B66D5/26—Operating devices pneumatic or hydraulic
- B66D5/28—Operating devices pneumatic or hydraulic specially adapted for winding gear, e.g. in mining hoists
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/03—Mechanisms with latches or braking devices in general for capstans, hoists or similar devices as well as braking devices actuated electrically or by fluid under pressure
- B66D2700/035—Fluid operated braking devices
Abstract
A kind of hoist braking system redundant loop, solenoid directional control valve G7 is set, oil return during the solenoid directional control valve G7 dead electricity, oil return in parallel is realized with solenoid directional control valve G3, without being changed to hydraulic station, construction volume is small, influence lifted the time it is short, change accessory it is less, expense is low, the parallel redundancy loop of winch brake fluid system is realized, meets regulatory requirements, improves mine hoist safety coefficient.
Description
Technical field
The present invention relates to a kind of hoist braking system redundant loop, belongs to mine engineering machine design and manufacture technology neck
Domain.
Background technology
In the lifting system of mine, brake fluid system is important protection device, and all protections are all by this
System is realized.Brake fluid system is made up of hydraulic station, brake and electric-control system, and hydraulic station passes through oil pressure as power source
The braking function of elevator is realized in the action of control brake, and when breaking down, hydraulic station wants rapid oil return to ensure that brake is embraced
Lock, realize safety arrestment, thus the working stability of hydraulic station, be reliably mine safety lifting important leverage, its service behaviour
Safety with relationship between quality to personal equipment.
Hydraulic station fluid is due to various pollutions, such as oil cap booty, or is processing debris during installing etc., can cause
The valve element of reversal valve is stuck, and causes ground fluid in brake to stay return case rapidly, brake failure, ultimately results in accident
Occur.2016 editions《Safety regulations in coal mine》Provide " safety arrestment there must be the drainback passage of parallel redundancy ", it is further complete
It has been apt to the function of hydraulic station, there is provided the security of hydraulic station, so hydraulic pressure must be transformed control valve group or changed
Stand, but replacing hydraulic station cost is higher, so needing to be improved control valve group.
The content of the invention
Hair invention technical problems to be solved are to provide one kind and are not required to change the overall valve group of hydraulic station braking, working procedure
Simple hoist braking system redundant loop.
The technical scheme is that：
A kind of hoist braking system redundant loop, including two hydraulic stations, the hydraulic station include fuel tank, are connected on fuel tank
Oil pump, described two hydraulic stations by same hydraulic directional valve connect A pipe and B manage, the B pipes include and hydraulic directional valve
The redundancy magnetic valve G1 and redundancy magnetic valve G2 of connection, redundancy magnetic valve G1 and redundancy the magnetic valve G2 is in parallel, redundancy electromagnetism
Valve G1 connects the output end of hydraulic directional valve, the redundancy magnetic valve G1 and redundancy magnetic valve with redundancy magnetic valve G2 input
G2 output end connection working cylinder, the b pipes also include the solenoid directional control valve G4 and electromagnetism for being used for b pipe oil returns during safety arrestment
Reversal valve G5, the solenoid directional control valve G5 output end are connected with redundancy magnetic valve G1 and redundancy magnetic valve G2 output end, institute
The input for stating solenoid directional control valve G4 is connected with redundancy magnetic valve G1 and redundancy magnetic valve G2 input, when passing through electric control delay time
Between set, solenoid directional control valve G4 delay dead electricity, solenoid directional control valve G5 delay it is powered, so as to realize two stage braking in well, work as lifting
When container is close to well head, by automatically controlled control, solenoid directional control valve G4 dead electricity solenoid directional control valves G5 is powered, realizes well head one-level system
It is dynamic；
A pipe includes solenoid directional control valve G3, when the solenoid directional control valve G3 is powered cooperation realize work valve opening and service braking,
A pipe safety arrestment way to cycle oil, the output end of solenoid directional control valve G3 input connection hydraulic directional valve, electromagnetism are turned on during dead electricity
The output end of reversal valve G3 output end connection hydraulic directional valve, it is described characterized in that, the A pipes also include solenoid directional control valve
G7, oil return during the solenoid directional control valve G7 dead electricity, oil return in parallel, the P of the solenoid directional control valve G7 are realized with solenoid directional control valve G3
End and A ends are equipped with articulation, and the P ends of the solenoid directional control valve G7 are provided with stop valve and are connected to A pipe stop valves by threeway,
The A ends connection fuel tank of the solenoid directional control valve G7.
Further, thermometer and well strainer are sequentially provided between the fuel tank and oil pump, the oil pump is with surging
Paper filter is provided between reversal valve, proportional pressure control valve of being connected between the paper filter and hydraulic directional valve.
Further, pressure-reducing valve, check valve and unidirectional are sequentially provided between the hydraulic directional valve and redundancy magnetic valve G1
Choke valve, the one-way throttle valve connect accumulator.
Beneficial effects of the present invention：
The present invention, solenoid directional control valve G7 is set, oil return during the solenoid directional control valve G7 dead electricity is in parallel with solenoid directional control valve G3 realizations
Oil return, without being changed to hydraulic station, construction volume is small, influence lifted the time it is short, change accessory it is less, expense is low, realizes
The parallel redundancy loop of winch brake fluid system, meets regulatory requirements, improves mine hoist safety coefficient.
Brief description of the drawings
Fig. 1 positions schematic structural view of the invention.
In figure：
Fuel tank 1, oil pump 2, hydraulic directional valve 3, thermometer 4, well strainer 5, paper filter 6, proportional pressure control valve 7, decompression
Valve 8, check valve 9, one-way throttle valve 10, accumulator 11, stop valve 12.
Embodiment
The present invention is further described for explanation and embodiment below in conjunction with the accompanying drawings.
A kind of hoist braking system redundant loop, including two hydraulic stations, the hydraulic station include fuel tank 1, are connected to
Oil pump 2 on fuel tank, described two hydraulic stations connect A pipes by same hydraulic directional valve 3 and B is managed, and the B pipes include and liquid
The redundancy magnetic valve G1 and redundancy magnetic valve G2 that dynamic reversal valve 3 connects, redundancy magnetic valve G1 and redundancy the magnetic valve G2 is in parallel,
Redundancy magnetic valve G1 connects the output end of hydraulic directional valve 3 with redundancy magnetic valve G2 input, the redundancy magnetic valve G1 and
Redundancy magnetic valve G2 output end connection working cylinder, the b pipes also include the electromagnetic switch for being used for b pipe oil returns during safety arrestment
Valve G4 and solenoid directional control valve G5, the solenoid directional control valve G5 output end and redundancy magnetic valve G1 and redundancy magnetic valve G2 output
End connection, the input of the solenoid directional control valve G4 are connected with redundancy magnetic valve G1 and redundancy magnetic valve G2 input, passed through
The electric control delay time time sets, and solenoid directional control valve G4 delays dead electricity, solenoid directional control valve G5 delays are powered, so as to realize two-stage system in well
Dynamic, when hoisting container is close to well head by automatically controlled control, solenoid directional control valve G4 dead electricity solenoid directional control valves G5 is powered, realizes well head
One-level is braked；
A pipe includes solenoid directional control valve G3, when the solenoid directional control valve G3 is powered cooperation realize work valve opening and service braking,
A pipe safety arrestment way to cycle oil, the output end of solenoid directional control valve G3 input connection hydraulic directional valve, electromagnetism are turned on during dead electricity
The output end of reversal valve G3 output end connection hydraulic directional valve, it is described characterized in that, the A pipes also include solenoid directional control valve
G7, oil return during the solenoid directional control valve G7 dead electricity, realizes oil return in parallel with solenoid directional control valve G3, is commutated by support Motionless electromagnetic
Valve G7, a fixing bolt of the boring valve group seat in one end of support are fixed, curved 90 ° of the other end, highly make the top of support frame
Keep level.In respectively one articulation of welding of solenoid directional control valve G7 P ends and A sections, solenoid directional control valve G7 is welded on support frame
On.Add a threeway in hydraulic station A pipe correct positions, according to live threeway and the position lower pipeline size at G7 valve P ends, add stop valve
12, lower good pipeline size, it is connected with G7 valve P ends with articulation, then backs out hydraulic station oil filler end cap, turns one on end cap
Diameter 2.5mm hole, according to the position lower pipeline size in hole on end cap and G7 valve A ends, it is connected with articulation with G7 valve A ends.
Further, be sequentially provided with thermometer 4 and well strainer 5 between the fuel tank 1 and oil pump 2, the oil pump 2 with
Paper filter 6 is provided between hydraulic directional valve 3, proportional pressure control valve of being connected between the paper filter 6 and hydraulic directional valve 3
7。
Further, pressure-reducing valve 8, check valve 9 and list are sequentially provided between hydraulic directional valve 3 and redundancy the magnetic valve G1
To choke valve 10, the one-way throttle valve 10 connects accumulator 11.、
The present invention, solenoid directional control valve G7 is set, oil return during the solenoid directional control valve G7 dead electricity is in parallel with solenoid directional control valve G3 realizations
Oil return, without being changed to hydraulic station, construction volume is small, influence lifted the time it is short, change accessory it is less, expense is low, realizes
The parallel redundancy loop of winch brake fluid system, meets regulatory requirements, improves mine hoist safety coefficient.
Claims (3)
1. a kind of hoist braking system redundant loop, including two hydraulic stations, the hydraulic station includes fuel tank, is connected to fuel tank
On oil pump, described two hydraulic stations connect A pipes by same hydraulic directional valve and B is managed, and B pipe includes and surged commutation
The redundancy magnetic valve G1 and redundancy magnetic valve G2 of valve connection, redundancy magnetic valve G1 and redundancy the magnetic valve G2 is in parallel, redundant electric
Magnet valve G1 connects the output end of hydraulic directional valve, the redundancy magnetic valve G1 and redundancy electromagnetism with redundancy magnetic valve G2 input
Valve G2 output end connection working cylinder, the b pipes also include the solenoid directional control valve G4 and electricity for being used for b pipe oil returns during safety arrestment
Magnetic reversal valve G5, the solenoid directional control valve G5 output end are connected with redundancy magnetic valve G1 and redundancy magnetic valve G2 output end,
The input of the solenoid directional control valve G4 is connected with redundancy magnetic valve G1 and redundancy magnetic valve G2 input, passes through electric control delay time
Time sets, and solenoid directional control valve G4 delays dead electricity, solenoid directional control valve G5 delays are powered, so as to realize two stage braking in well, when carrying
When rising container close to well head, by automatically controlled control, solenoid directional control valve G4 dead electricity solenoid directional control valves G5 is powered, realizes well head one-level system
It is dynamic；
A pipe includes solenoid directional control valve G3, when the solenoid directional control valve G3 is powered cooperation realize work valve opening and service braking,
A pipe safety arrestment way to cycle oil, the output end of solenoid directional control valve G3 input connection hydraulic directional valve, electromagnetism are turned on during dead electricity
The output end of reversal valve G3 output end connection hydraulic directional valve, it is described characterized in that, the A pipes also include solenoid directional control valve
G7, oil return during the solenoid directional control valve G7 dead electricity, oil return in parallel, the P of the solenoid directional control valve G7 are realized with solenoid directional control valve G3
End and A ends are equipped with articulation, and the P ends of the solenoid directional control valve G7 are provided with stop valve and are connected to A pipe stop valves by threeway,
The A ends connection fuel tank of the solenoid directional control valve G7.
A kind of 2. hoist braking system redundant loop according to claim 1, it is characterised in that the fuel tank and oil pump it
Between be sequentially provided with thermometer and well strainer, paper filter, the papery are provided between the oil pump and hydraulic directional valve
Connected between filter and hydraulic directional valve proportional pressure control valve.
A kind of 3. hoist braking system redundant loop according to claim 1, it is characterised in that the hydraulic directional valve with
Pressure-reducing valve, check valve and one-way throttle valve are sequentially provided between redundancy magnetic valve G1, the one-way throttle valve connects accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710919134.7A CN107673158A (en) | 2017-09-30 | 2017-09-30 | A kind of hoist braking system redundant loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710919134.7A CN107673158A (en) | 2017-09-30 | 2017-09-30 | A kind of hoist braking system redundant loop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107673158A true CN107673158A (en) | 2018-02-09 |
Family
ID=61139040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710919134.7A Pending CN107673158A (en) | 2017-09-30 | 2017-09-30 | A kind of hoist braking system redundant loop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107673158A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397646A (en) * | 2019-06-27 | 2019-11-01 | 中煤科工集团西安研究院有限公司 | A kind of cylinder control system and control method |
| CN113090596A (en) * | 2021-03-15 | 2021-07-09 | 中国科学院工程热物理研究所 | Servomotor system with thermal redundancy backup oil supply and control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10182078A (en) * | 1996-12-25 | 1998-07-07 | Nippon Sharyo Seizo Kaisha Ltd | Brake device for winch |
| CN101367484A (en) * | 2008-07-14 | 2009-02-18 | 平顶山煤业(集团)有限责任公司 | Double-stage braking hydraulic station with high-reliability scavenge oil and control method thereof |
| CN201864520U (en) * | 2010-07-14 | 2011-06-15 | 湖南金塔机械制造有限公司 | Electric secondary braking hydraulic station of hoister |
| CN204588590U (en) * | 2015-05-05 | 2015-08-26 | 中国海洋石油总公司 | A kind of disk-type brake hydraulic redundancy control apparatus |
| CN206232360U (en) * | 2016-11-23 | 2017-06-09 | 庞启 | A kind of two-stage brake hydraulic station for distinguishing different loads operating mode |
| CN207434791U (en) * | 2017-09-30 | 2018-06-01 | 枣庄矿业集团新安煤业有限公司 | A kind of hoist braking system redundant loop |
-
2017
- 2017-09-30 CN CN201710919134.7A patent/CN107673158A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10182078A (en) * | 1996-12-25 | 1998-07-07 | Nippon Sharyo Seizo Kaisha Ltd | Brake device for winch |
| CN101367484A (en) * | 2008-07-14 | 2009-02-18 | 平顶山煤业(集团)有限责任公司 | Double-stage braking hydraulic station with high-reliability scavenge oil and control method thereof |
| CN201864520U (en) * | 2010-07-14 | 2011-06-15 | 湖南金塔机械制造有限公司 | Electric secondary braking hydraulic station of hoister |
| CN204588590U (en) * | 2015-05-05 | 2015-08-26 | 中国海洋石油总公司 | A kind of disk-type brake hydraulic redundancy control apparatus |
| CN206232360U (en) * | 2016-11-23 | 2017-06-09 | 庞启 | A kind of two-stage brake hydraulic station for distinguishing different loads operating mode |
| CN207434791U (en) * | 2017-09-30 | 2018-06-01 | 枣庄矿业集团新安煤业有限公司 | A kind of hoist braking system redundant loop |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397646A (en) * | 2019-06-27 | 2019-11-01 | 中煤科工集团西安研究院有限公司 | A kind of cylinder control system and control method |
| CN113090596A (en) * | 2021-03-15 | 2021-07-09 | 中国科学院工程热物理研究所 | Servomotor system with thermal redundancy backup oil supply and control method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180209 |