CN108298452B - Elevator list damper brake group redundant hydraulic control loop - Google Patents
Elevator list damper brake group redundant hydraulic control loop Download PDFInfo
- Publication number
- CN108298452B CN108298452B CN201810079608.6A CN201810079608A CN108298452B CN 108298452 B CN108298452 B CN 108298452B CN 201810079608 A CN201810079608 A CN 201810079608A CN 108298452 B CN108298452 B CN 108298452B
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- CN
- China
- Prior art keywords
- damper brake
- pressure
- solenoid directional
- regulating valve
- directional control
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Classifications
-
- 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
- B66D5/12—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect
- B66D5/14—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect embodying discs
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Elevator Control (AREA)
Abstract
The invention discloses a kind of elevator list damper brake group redundant hydraulic control loops, comprising: 3 damper brake pressure-regulating valves, 3 pressure sensors, 3 A1 solenoid directional control valves, 3 A3 solenoid directional control valves, controller, 3 C1 solenoid directional control valves, single damper brake group and oil sources.By reasonable Arrangement damper brake pressure-regulating valve to reduce control cavity volume, and brake pressure is braked by individual damper brake pressure-regulating valve control single group, to improve dynamic response characteristic, the control precision and stability of pressure.Elevator list damper brake group redundant hydraulic control loop disclosed in this patent has many advantages, such as that pressure controling precision is high, response characteristic and system stability are good, Safety Redundancy.
Description
Technical field
The invention belongs to lifting means technical fields, and in particular to a kind of elevator list damper brake group redundant hydraulic controls back
Road.
Background technique
Elevator is widely used in oil drilling, builds the road, the occasions such as lifting and mine hoisting, is responsible for personnel, material
The vital tasks such as promotion and decentralization.The emergency braking system of elevator is directly related to production efficiency, production safety and personnel's peace
Entirely.Therefore, how to develop have many advantages, such as to have a safety feature, braking moment is adjustable, high sensitivity, compact-sized hydraulic system
Dynamic system becomes the important research direction and research hotspot of large-scale winch brake fluid system.Currently, elevator hydraulic braking
System mostly uses electro-hydraulic proportion reversing valve and servo proportion to control brake pressure.But for brake for elevator system
For system, however it remains the problems such as braking pressure control precision is high, low-response, poor hydraulic circuit Safety Redundancy.
Summary of the invention
The present invention is to overcome the shortcomings of existing hydraulic brake system for elevator, provides a kind of elevator list damper brake group redundancy
Hydraulic control circuit.By reasonable Arrangement damper brake pressure-regulating valve to reduce control cavity volume, and by individual damper brake
Pressure-regulating valve controls single group and brakes brake pressure, to improve dynamic response characteristic, the control precision and stability of pressure.This patent
Disclosed elevator list damper brake group redundant hydraulic control loop has high pressure controling precision, response characteristic and system stability
Well, the advantages that Safety Redundancy.
Elevator list damper brake group redundant hydraulic control loop, comprising: E1 damper brake pressure-regulating valve (1), E2 damper brake
Pressure-regulating valve (2), E3 damper brake pressure-regulating valve (3), 3 pressure sensors (4), 3 A1 solenoid directional control valves (5), 3 A3
Solenoid directional control valve (6), controller (10), 3 C1 solenoid directional control valves (11), the mono- damper brake group (12) of D and oil sources (13)；Wherein, D
Single damper brake group includes: D1 damper brake (7), D2 damper brake (8) and D3 damper brake (9) again；
Oil sources brakes brake pressure with E1 damper brake pressure-regulating valve, E2 damper brake pressure-regulating valve and E3 respectively by pipeline
The oil inlet of regulating valve connects；E1 damper brake pressure-regulating valve, E2 damper brake pressure-regulating valve and E3 damper brake pressure-regulating valve
Oil outlet pressure sensor is installed respectively, and connected by A1 solenoid directional control valve and D1 damper brake, D2 damper brake and D3 damper brake
It connects；D1 damper brake, D2 damper brake and D3 damper brake are connect with the oil inlet of 3 C1 solenoid directional control valves respectively, 3 C1 electromagnetic switch
The oil outlet of valve is connect with fuel tank respectively；D1 damper brake and D2 damper brake, D1 damper brake and D3 damper brake and D2 damper brake and
D3 damper brake passes through an A3 solenoid directional control valve respectively and is interconnected；E1 damper brake pressure-regulating valve, E2 braking brake pressure are adjusted
Valve and E3 damper brake pressure-regulating valve, A1 solenoid directional control valve, A3 solenoid directional control valve and C1 solenoid directional control valve control terminal be all connected with
Controller.
Compared with the prior art, the invention has the following beneficial effects:
1, damper brake pressure-regulating valve of the invention is arranged on the fixed bracket of damper brake, and the pressure of each damper brake is by list
Only damper brake pressure-regulating valve control, improves pressure controling precision, response characteristic and system stability；
2, each group damper brake is interconnected by the present invention by solenoid directional control valve, when a certain damper brake pressure-regulating valve occurs
When failure, defective valves can be substituted by other control valves, improve system safety redundancy.
Detailed description of the invention
Fig. 1 is the mono- damper brake group hydraulic control circuit schematic diagram of D of the invention.
In figure: 1-E1 damper brake pressure-regulating valve；2-E2 damper brake pressure-regulating valve；3-E3 damper brake pressure-regulating valve；
4- pressure sensor；5-A1 solenoid directional control valve；6-A3 solenoid directional control valve；7-D1 damper brake；8-D2 damper brake；9-D3 damper brake；
10- controller；11-C1 solenoid directional control valve；The mono- damper brake group of 12-D；13- oil sources.
Specific embodiment
Detailed technology scheme of the present invention is introduced below in conjunction with attached drawing:
Elevator list damper brake group redundant hydraulic control loop, comprising: E1 damper brake pressure-regulating valve 1, E2 damper brake pressure
Force regulating valve 2,5, the 3 A3 solenoid directional control valves of A1 solenoid directional control valve of pressure sensor 4,3 of E3 damper brake pressure-regulating valve 3,3
6,10,3 C1 solenoid directional control valves 11 of controller, the mono- damper brake group 12 of D and oil sources 13；Wherein, the mono- damper brake group of D includes: D1 again
Damper brake 7, D2 damper brake 8 and D3 damper brake 9.
Oil sources brakes brake pressure with E1 damper brake pressure-regulating valve, E2 damper brake pressure-regulating valve and E3 respectively by pipeline
The oil inlet of regulating valve connects；E1 damper brake pressure-regulating valve, E2 damper brake pressure-regulating valve and E3 damper brake pressure-regulating valve
Oil outlet pressure sensor is installed respectively, and connected by A1 solenoid directional control valve and D1 damper brake, D2 damper brake and D3 damper brake
It connects；D1 damper brake, D2 damper brake and D3 damper brake are connect with the oil inlet of 3 C1 solenoid directional control valves respectively, 3 C1 electromagnetic switch
The oil outlet of valve is connect with fuel tank respectively；D1 damper brake and D2 damper brake, D1 damper brake and D3 damper brake and D2 damper brake and
D3 damper brake passes through an A3 solenoid directional control valve respectively and is interconnected；E1 damper brake pressure-regulating valve, E2 braking brake pressure are adjusted
Valve and E3 damper brake pressure-regulating valve, A1 solenoid directional control valve, A3 solenoid directional control valve and C1 solenoid directional control valve control terminal be all connected with
Controller.
As shown in Figure 1, controller is changed to 3 A1 solenoid directional control valves, 3 A3 electromagnetism respectively when elevator operates normally
Brake pressure tune is braked to valve, 3 C1 solenoid directional control valves, E1 damper brake pressure-regulating valve, E2 damper brake pressure-regulating valve and E3
It saves valve and sends instruction, make all A1 solenoid directional control valves in an ON state, C1 solenoid directional control valve is in an off state, D1 braking
Lock, D2 damper brake and D3 damper brake are in the state that declutches, and all A3 solenoid directional control valves remain off.
When Hoist Emergency Braking, controller is according to preset value and the volume of drum speed sensor detection feedback
Cylinder speed sends control to E1 damper brake pressure-regulating valve, E2 damper brake pressure-regulating valve, E3 damper brake pressure-regulating valve respectively
Instruction, respectively controls its outlet pressure, and adjustment D1 damper brake, D2 damper brake and D3 damper brake act on the braking of reel
Torque enables reel to slow down according to preparatory setting value, realizes its braking.
When drum speed sensor detects that reel stops completely, controller sends to A1 solenoid directional control valve and instructs, and makes
It is in an off state；Controller sends to C1 solenoid directional control valve and instructs, and is at on-state；Meanwhile A3 electromagnetic switch
Valve remains off.
As shown in Figure 1, working as E1 damper brake pressure-regulating valve, E2 damper brake pressure-regulating valve or E3 damper brake pressure-regulating valve
In any one or two when breaking down, controller sends control instruction to A1 solenoid directional control valve connected to it, makes at its
In off-state；Meanwhile controller sends instruction to any one or two A3 solenoid directional control valves according to pre-set programs, makes to receive
The A3 solenoid directional control valve of instruction in an ON state, in this way, when elevator list damper brake group redundant hydraulic control loop of the present invention
One or two of damper brake pressure-regulating valve break down when, circuit still can switch to normal operating conditions.
Claims (1)
1. elevator list damper brake group redundant hydraulic control loop, it is characterised in that: including E1 damper brake pressure-regulating valve (1),
E2 damper brake pressure-regulating valve (2), E3 damper brake pressure-regulating valve (3), 3 pressure sensors (4), 3 A1 solenoid directional control valves
(5), 3 A3 solenoid directional control valves (6), controller (10), 3 C1 solenoid directional control valves (11), the mono- damper brake group (12) of D and oil sources
(13)；Wherein, the mono- damper brake group of D includes: D1 damper brake (7), D2 damper brake (8) and D3 damper brake (9) again；
Oil sources is braked brake pressure with E1 damper brake pressure-regulating valve, E2 damper brake pressure-regulating valve and E3 respectively by pipeline and is adjusted
The oil inlet of valve connects；E1 damper brake pressure-regulating valve, E2 damper brake pressure-regulating valve and E3 damper brake pressure-regulating valve go out
Hydraulic fluid port installs pressure sensor respectively, and is connect by A1 solenoid directional control valve with D1 damper brake, D2 damper brake and D3 damper brake；D1
Damper brake, D2 damper brake and D3 damper brake are connect with the oil inlet of 3 C1 solenoid directional control valves respectively, 3 C1 solenoid directional control valves
Oil outlet is connect with fuel tank respectively；D1 damper brake and D2 damper brake, D1 damper brake and D3 damper brake and D2 damper brake and D3 system
Dynamic lock passes through an A3 solenoid directional control valve respectively and is interconnected；E1 damper brake pressure-regulating valve, E2 damper brake pressure-regulating valve and
E3 damper brake pressure-regulating valve, A1 solenoid directional control valve, A3 solenoid directional control valve and C1 solenoid directional control valve control terminal be all connected with control
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810079608.6A CN108298452B (en) | 2018-01-26 | 2018-01-26 | Elevator list damper brake group redundant hydraulic control loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810079608.6A CN108298452B (en) | 2018-01-26 | 2018-01-26 | Elevator list damper brake group redundant hydraulic control loop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108298452A CN108298452A (en) | 2018-07-20 |
| CN108298452B true CN108298452B (en) | 2019-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810079608.6A Active CN108298452B (en) | 2018-01-26 | 2018-01-26 | Elevator list damper brake group redundant hydraulic control loop |
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| CN (1) | CN108298452B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526152A (en) * | 2019-08-30 | 2019-12-03 | 太原理工大学 | Multichannel protecting against shock intelligent constant deceleration brake fluid system |
| DE102019133376A1 (en) * | 2019-12-06 | 2021-06-10 | Chr. Mayr Gmbh + Co Kg | Brake, circuit arrangement and method for controlling a brake |
| LU102951B1 (en) * | 2022-05-10 | 2023-11-10 | Siemag Tecberg Gmbh | Braking system for use in conveyor machines for shaft and inclined conveyor systems |
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|---|---|---|---|---|
| JP2004224526A (en) * | 2003-01-24 | 2004-08-12 | Komatsu Ltd | Control device for winch |
| JP2005214327A (en) * | 2004-01-30 | 2005-08-11 | Aichi Corp | Brake device of hydraulic motor |
| 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 |
| CN101475130A (en) * | 2009-01-22 | 2009-07-08 | 重庆键英液压机电有限公司 | Hydraulic time-delay double-stage braking hoister hydraulic station |
| DE102008038901A1 (en) * | 2008-08-13 | 2010-04-29 | N&G Facility Management Gmbh & Co.Kg | Drive unit for compressed air-lifting tool used for lifting and lowering loads, has regulating valve unit reducing flow rate of pressure medium in lowering side-compressed air connection in lowering-load condition |
| CN104540769A (en) * | 2012-06-08 | 2015-04-22 | 西马格特宝有限责任公司 | Disk brake system |
| CN104444919B (en) * | 2014-12-10 | 2016-10-05 | 洛阳源创电气有限公司 | Mine hoist constant deceleration brake electrichydraulic control equipment that can be anti-skidding |
| JP2016222380A (en) * | 2015-05-28 | 2016-12-28 | 日立住友重機械建機クレーン株式会社 | Brake device of winch |
| CN206017503U (en) * | 2016-07-29 | 2017-03-15 | 徐州五洋科技股份有限公司 | Disk brake hydraulic control system |
-
2018
- 2018-01-26 CN CN201810079608.6A patent/CN108298452B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004224526A (en) * | 2003-01-24 | 2004-08-12 | Komatsu Ltd | Control device for winch |
| JP2005214327A (en) * | 2004-01-30 | 2005-08-11 | Aichi Corp | Brake device of hydraulic motor |
| 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 |
| DE102008038901A1 (en) * | 2008-08-13 | 2010-04-29 | N&G Facility Management Gmbh & Co.Kg | Drive unit for compressed air-lifting tool used for lifting and lowering loads, has regulating valve unit reducing flow rate of pressure medium in lowering side-compressed air connection in lowering-load condition |
| CN101475130A (en) * | 2009-01-22 | 2009-07-08 | 重庆键英液压机电有限公司 | Hydraulic time-delay double-stage braking hoister hydraulic station |
| CN104540769A (en) * | 2012-06-08 | 2015-04-22 | 西马格特宝有限责任公司 | Disk brake system |
| CN104444919B (en) * | 2014-12-10 | 2016-10-05 | 洛阳源创电气有限公司 | Mine hoist constant deceleration brake electrichydraulic control equipment that can be anti-skidding |
| JP2016222380A (en) * | 2015-05-28 | 2016-12-28 | 日立住友重機械建機クレーン株式会社 | Brake device of winch |
| CN206017503U (en) * | 2016-07-29 | 2017-03-15 | 徐州五洋科技股份有限公司 | Disk brake hydraulic control system |
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| Publication number | Publication date |
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| CN108298452A (en) | 2018-07-20 |
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