CN108275598B - Large-scale winch emergency braking redundant hydraulic control loop - Google Patents
Large-scale winch emergency braking redundant hydraulic control loop Download PDFInfo
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- CN108275598B CN108275598B CN201810079603.3A CN201810079603A CN108275598B CN 108275598 B CN108275598 B CN 108275598B CN 201810079603 A CN201810079603 A CN 201810079603A CN 108275598 B CN108275598 B CN 108275598B
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- damper brake
- solenoid directional
- directional control
- control valve
- valve
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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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
-
- 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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of large-scale winch emergency braking redundant hydraulic control loop, the mono- damper brake group hydraulic control circuit of D, the mono- damper brake group hydraulic control circuit of F, the mono- damper brake group hydraulic control circuit of G, the mono- damper brake group hydraulic control circuit of H and damper brake group redundant hydraulic control loops.Large-scale winch emergency braking redundant hydraulic control loop reduces control cavity volume by reasonable Arrangement damper brake pressure-regulating valve, 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；Each group damper brake is interconnected using solenoid directional control valve, to improve system safety redundancy.Large size winch emergency braking 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 it is a kind of large size winch emergency braking redundant hydraulic control back
Road.
Background technique
Large-scale winch is widely used in oil drilling, builds the road, the occasions such as lifting and mine hoisting, is responsible for personnel, material
Promotion and the vital tasks such as decentralization.The emergency braking system of large-scale winch is directly related to production efficiency, production safety and people
Member's safety.Brake fluid system has many advantages, such as to have a safety feature, braking moment is adjustable, high sensitivity, compact-sized extensive
Applied in winch emergency braking system.Currently, brake fluid system mostly uses proportional pressure control valve or proportional flow control valve to control system
The brake pressure of dynamic lock, utilizes one or two multiple damper brake of electro hydraulic valve (proportional pressure control valve or proportional flow control valve) centralized control
Brake pressure, on the one hand this structure causes system reliability to reduce, on the other hand then increases electro hydraulic valve (proportional pressure control valve
Or proportional flow control valve) and damper brake between control cavity volume, then influence brake pressure dynamic response performance.
Summary of the invention
The present invention is to overcome the shortcomings of existing brake fluid system, provides a kind of significantly more efficient large-scale winch emergency braking
Redundant hydraulic control loop.By reasonable Arrangement damper brake pressure-regulating valve to reduce control cavity volume, and by individually making
Dynamic brake pressure regulating valve control single group brakes brake pressure, to improve dynamic response characteristic, the control precision and stability of pressure；It adopts
Each group damper brake is interconnected with solenoid directional control valve, to improve system safety redundancy.Large size winch disclosed in this patent is tight
Anxious braking redundant hydraulic control loop has high pressure controling precision, response characteristic and the good, Safety Redundancy of system stability etc. excellent
Point.
Large-scale winch emergency braking redundant hydraulic control loop, comprising: the mono- damper brake group hydraulic control circuit of D, the mono- braking of F
The mono- damper brake group hydraulic control circuit of lock group hydraulic control circuit, G, the mono- damper brake group hydraulic control circuit of H and damper brake group are superfluous
Remaining hydraulic control circuit, wherein the mono- damper brake group hydraulic control circuit of D includes: E1 damper brake pressure-regulating valve (1), E2 braking
Brake pressure regulating valve (2), E3 damper brake pressure-regulating valve (3), 3 pressure sensors (4), controller (10), 3 A1 electromagnetism change
To valve (11), 3 A3 solenoid directional control valves (12), 3 C1 solenoid directional control valves (18), the mono- damper brake group (22) of D and oil sources (24)；Its
In, the mono- damper brake group of D 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；3 pressure sensors are respectively installed to E1 damper brake pressure-regulating valve, E2 braking brake pressure is adjusted
The oil outlet of valve and E3 damper brake pressure-regulating valve；E1 damper brake pressure-regulating valve, E2 damper brake pressure-regulating valve and E3 system
The oil outlet of dynamic brake pressure regulating valve is connect with the oil inlet of 3 A1 solenoid directional control valves respectively, 3 A1 solenoid directional control valves it is fuel-displaced
Mouth is separately connected D1 damper brake, D2 damper brake and D3 damper brake；D1 damper brake, D2 damper brake and D3 damper brake pass through 3 respectively
C1 solenoid directional control valve is connect with fuel tank；D1 damper brake and D2 damper brake, D1 damper brake and D3 damper brake and D2 damper brake and D3
Damper brake passes through 3 A3 solenoid directional control valve connections respectively；E1 damper brake pressure-regulating valve, E2 damper brake pressure-regulating valve and E3 system
The control terminal for moving brake pressure regulating valve, A1 solenoid directional control valve, A3 solenoid directional control valve and C1 solenoid directional control valve is connect with controller；
It is hydraulic to constitute the mono- damper brake group hydraulic control circuit of F, the mono- damper brake group hydraulic control circuit of G and the mono- damper brake group of H
The Hydraulic Elements and its connection type of control loop and Hydraulic Elements and its connection for constituting the mono- damper brake group hydraulic control circuit of D
Mode is identical, to distinguish the mono- damper brake group hydraulic control circuit of F, the mono- damper brake group hydraulic control circuit of G and the mono- damper brake group liquid of H
Control loop is pressed, the mono- damper brake group of D of the mono- damper brake group hydraulic control circuit of D is replaced with into the mono- damper brake group of F, the mono- system of G respectively
Dynamic lock group or the mono- damper brake group of H, wherein the mono- damper brake group of F includes: F1 damper brake, F2 damper brake and F3 damper brake；The mono- braking of G
Lock group includes: 3 damper brake of G1 damper brake, 2 damper brake of G and G；The mono- damper brake group of H includes: H1 damper brake, H2 damper brake and H3
Damper brake；
Damper brake group redundant hydraulic control loop includes: D1 damper brake (7), F1 damper brake (31), G1 damper brake (50), H1
Damper brake (69), reel (82), A2 solenoid directional control valve (13), E1 damper brake pressure-regulating valve (1), A4 solenoid directional control valve (34),
E4 damper brake pressure-regulating valve (25), A7 solenoid directional control valve (53), E7 damper brake pressure-regulating valve (44), A10 solenoid directional control valve
(72), E10 damper brake pressure-regulating valve (63), oil sources (24), C2 solenoid directional control valve (19), C4 solenoid directional control valve (40), C7 electricity
Magnetic reversal valve (59), C10 solenoid directional control valve (78), K1 solenoid directional control valve (84), K2 solenoid directional control valve (85), K3 solenoid directional control valve
(86), K4 solenoid directional control valve (87), K5 solenoid directional control valve (88), K6 solenoid directional control valve (89), 4 pressure sensors (4), reels
Speed probe (83), controller (10)；
A2 solenoid directional control valve is set between D1 damper brake and the oil outlet of E1 damper brake pressure-regulating valve；F1 damper brake and E4
A4 solenoid directional control valve is set between the oil outlet of damper brake pressure-regulating valve；G1 damper brake goes out with E7 damper brake pressure-regulating valve
A7 solenoid directional control valve is set between hydraulic fluid port；A10 electromagnetism is set between H1 damper brake and the oil outlet of E10 damper brake pressure-regulating valve
Reversal valve；E1 damper brake pressure-regulating valve, E4 damper brake pressure-regulating valve, E7 damper brake pressure-regulating valve and E10 damper brake pressure
Pressure sensor is arranged in the oil outlet of force regulating valve；E1 damper brake pressure-regulating valve, E4 damper brake pressure-regulating valve, E7 damper brake
The oil inlet of pressure-regulating valve and E10 damper brake pressure-regulating valve is connected with oil sources；E1 damper brake pressure-regulating valve, E4 braking
Brake pressure regulating valve, E7 damper brake pressure-regulating valve, E10 damper brake pressure-regulating valve, A2 solenoid directional control valve, A4 electromagnetic switch
The control terminal of valve, A7 solenoid directional control valve and A10 solenoid directional control valve is connect with controller；
D1 damper brake, F1 damper brake, G1 damper brake and H1 damper brake pass through C2 solenoid directional control valve, C4 electromagnetic switch respectively
Valve, C7 solenoid directional control valve, C10 solenoid directional control valve are connected to fuel tank, C2 solenoid directional control valve, C4 solenoid directional control valve, C7 electromagnetic switch
The control terminal of valve and C10 solenoid directional control valve connects controller；K6 solenoid directional control valve is set between D1 damper brake and F1 damper brake；D1
K2 solenoid directional control valve is set between damper brake and G1 damper brake；K1 solenoid directional control valve is set between D1 damper brake and H1 damper brake；
K5 solenoid directional control valve is set between F1 damper brake and G1 damper brake；K4 electromagnetic switch is set between F1 damper brake and H1 damper brake
Valve；K3 solenoid directional control valve is set between G1 damper brake and H1 damper brake；K6 solenoid directional control valve, K1 solenoid directional control valve, K2 electromagnetism change
It is connect to the control terminal of valve, K5 solenoid directional control valve, K4 solenoid directional control valve and K3 solenoid directional control valve with controller；
Drum speed sensor is mounted on the main shaft of reel, and the output end of drum speed sensor and pressure sensor is equal
It is 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；
Fig. 2 is damper brake group redundant hydraulic control loop schematic diagram 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；7-D1 damper brake；8-D2 damper brake；9-D3 damper brake；10- controller；11-A1 solenoid directional control valve；12-A3
Solenoid directional control valve；13-A2 solenoid directional control valve；18-C1 solenoid directional control valve；19-C2 solenoid directional control valve；22-D damper brake group；24- oil
Source；25-E4 damper brake pressure-regulating valve；31-F1 damper brake；34-A4 solenoid directional control valve；40-C4 solenoid directional control valve；44-E7 system
Dynamic brake pressure regulating valve；50-G1 damper brake；53-A7 solenoid directional control valve；59-C7 solenoid directional control valve；63-E10 brakes brake pressure tune
Save valve；69-H1 damper brake；72-A10 solenoid directional control valve；78-C10 solenoid directional control valve；82- reel；83- drum speed sensor；
84-K1 solenoid directional control valve；85-K2 solenoid directional control valve；86-K3 solenoid directional control valve；87-K4 solenoid directional control valve；88-K5 electromagnetic switch
Valve；89-K6 solenoid directional control valve.
Specific embodiment
Detailed technology scheme of the present invention is introduced below in conjunction with attached drawing:
Large-scale winch emergency braking redundant hydraulic control loop, comprising: the mono- damper brake group hydraulic control circuit of D, the mono- braking of F
The mono- damper brake group hydraulic control circuit of lock group hydraulic control circuit, G, the mono- damper brake group hydraulic control circuit of H and damper brake group are superfluous
Remaining hydraulic control circuit, wherein the mono- damper brake group hydraulic control circuit of D is as shown in Figure 1, comprising: E1 damper brake pressure-regulating valve
1,10,3 E2 damper brake pressure-regulating valve 2,3,3 pressure sensors 4 of E3 damper brake pressure-regulating valve, controller A1 electromagnetism change
To 11,3, valve A3 solenoid directional control valve 12,3 C1 solenoid directional control valve 18, the mono- damper brake group 22 of D and oil sources 24；Wherein, the mono- braking of D
Lock 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；3 pressure sensors are respectively installed to E1 damper brake pressure-regulating valve, E2 braking brake pressure is adjusted
The oil outlet of valve and E3 damper brake pressure-regulating valve；E1 damper brake pressure-regulating valve, E2 damper brake pressure-regulating valve and E3 system
The oil outlet of dynamic brake pressure regulating valve is connect with the oil inlet of 3 A1 solenoid directional control valves respectively, 3 A1 solenoid directional control valves it is fuel-displaced
Mouth is separately connected D1 damper brake, D2 damper brake and D3 damper brake；D1 damper brake, D2 damper brake and D3 damper brake pass through 3 respectively
C1 solenoid directional control valve is connect with fuel tank；D1 damper brake and D2 damper brake, D1 damper brake and D3 damper brake and D2 damper brake and D3
Damper brake passes through 3 A3 solenoid directional control valve connections respectively；E1 damper brake pressure-regulating valve, E2 damper brake pressure-regulating valve and E3 system
The control terminal for moving brake pressure regulating valve, A1 solenoid directional control valve, A3 solenoid directional control valve and C1 solenoid directional control valve is connect with controller；
It is hydraulic to constitute the mono- damper brake group hydraulic control circuit of F, the mono- damper brake group hydraulic control circuit of G and the mono- damper brake group of H
The Hydraulic Elements and its connection type of control loop and Hydraulic Elements and its connection for constituting the mono- damper brake group hydraulic control circuit of D
Mode is identical, to distinguish the mono- damper brake group hydraulic control circuit of F, the mono- damper brake group hydraulic control circuit of G and the mono- damper brake group liquid of H
Control loop is pressed, the mono- damper brake group of D of the mono- damper brake group hydraulic control circuit of D is replaced with into the mono- damper brake group of F, G respectively respectively
Single damper brake group or the mono- damper brake group of H, constitute the mono- damper brake group hydraulic control circuit of F, the mono- damper brake group hydraulic control circuit of G and
The mono- damper brake group hydraulic control circuit of H, wherein the mono- damper brake group of F includes: F1 damper brake, F2 damper brake and F3 damper brake；G is mono-
Damper brake group includes: G1 damper brake, G2 damper brake and G3 damper brake；The mono- damper brake group of H include: H1 damper brake, H2 damper brake and
H3 damper brake；
As shown in Fig. 2, damper brake group redundant hydraulic control loop includes: D1 damper brake 7, F1 damper brake 31, G1 damper brake
50, H1 damper brake 69, reel 82, A2 solenoid directional control valve 13, E1 damper brake pressure-regulating valve 1, A4 solenoid directional control valve 34, E4 braking
Brake pressure regulating valve 25, A7 solenoid directional control valve 53, E7 damper brake pressure-regulating valve 44, A10 solenoid directional control valve 72, E10 damper brake
Pressure-regulating valve 63, oil sources 24, C2 solenoid directional control valve 19, C4 solenoid directional control valve 40, C7 solenoid directional control valve 59, C10 electromagnetic switch
Valve 78, K1 solenoid directional control valve 84, K2 solenoid directional control valve 85, K3 solenoid directional control valve 86, K4 solenoid directional control valve 87, K5 solenoid directional control valve
88,89,4 pressure sensors 4, drum speed sensor 83, controllers 10 of K6 solenoid directional control valve；
A2 solenoid directional control valve is set between D1 damper brake and the oil outlet of E1 damper brake pressure-regulating valve；F1 damper brake and E4
A4 solenoid directional control valve is set between the oil outlet of damper brake pressure-regulating valve；G1 damper brake goes out with E7 damper brake pressure-regulating valve
A7 solenoid directional control valve is set between hydraulic fluid port；A10 electromagnetism is set between H1 damper brake and the oil outlet of E10 damper brake pressure-regulating valve
Reversal valve；E1 damper brake pressure-regulating valve, E4 damper brake pressure-regulating valve, E7 damper brake pressure-regulating valve and E10 damper brake pressure
Pressure sensor, E1 damper brake pressure-regulating valve, E4 damper brake pressure-regulating valve, E7 damper brake is arranged in the oil outlet of force regulating valve
The oil inlet of pressure-regulating valve and E10 damper brake pressure-regulating valve is connected with oil sources；E1 damper brake pressure-regulating valve, E4 braking
Brake pressure regulating valve, E7 damper brake pressure-regulating valve, E10 damper brake pressure-regulating valve, A2 solenoid directional control valve, A4 electromagnetic switch
The control terminal of valve, A7 solenoid directional control valve and A10 solenoid directional control valve is connect with controller；
D1 damper brake, F1 damper brake, G1 damper brake and H1 damper brake pass through C2 solenoid directional control valve, C4 electromagnetic switch respectively
Valve, C7 solenoid directional control valve, C10 solenoid directional control valve are connected to fuel tank, C2 solenoid directional control valve, C4 solenoid directional control valve, C7 electromagnetic switch
The control terminal of valve and C10 solenoid directional control valve connects controller；K6 solenoid directional control valve is set between D1 damper brake and F1 damper brake；D1
K2 solenoid directional control valve is set between damper brake and G1 damper brake；K1 solenoid directional control valve is set between D1 damper brake and H1 damper brake；
K5 solenoid directional control valve is set between F1 damper brake and G1 damper brake；K4 electromagnetic switch is set between F1 damper brake and H1 damper brake
Valve；K3 solenoid directional control valve is set between G1 damper brake and H1 damper brake；K6 solenoid directional control valve, K1 solenoid directional control valve, K2 electromagnetism change
It is connect to the control terminal of valve, K5 solenoid directional control valve, K4 solenoid directional control valve and K3 solenoid directional control valve with controller；
Drum speed sensor is mounted on the main shaft of reel, and the output end of drum speed sensor and pressure sensor is equal
It is connected with controller.
As shown in Figs. 1-2, when large-scale winch operate normally when, controller respectively to the mono- damper brake group hydraulic control circuit of D,
The mono- damper brake group hydraulic control circuit of F, the mono- damper brake group hydraulic control circuit of G, the mono- damper brake group hydraulic control circuit of H and braking
3 A1 solenoid directional control valves, 3 C1 solenoid directional control valves, E1 damper brake pressure-regulating valve, E2 in lock group redundant hydraulic control loop
Damper brake pressure-regulating valve and E3 damper brake pressure-regulating valve send instruction, are in all A1 solenoid directional control valves and connect shape
State, C1 solenoid directional control valve are in an off state, and D1 damper brake, D2 damper brake and D3 damper brake are in the state that declutches, all A3
The valve port of solenoid directional control valve remains off；
Meanwhile controller the A2 solenoid directional control valve into damper brake group redundant hydraulic control loop, A4 electromagnetic switch respectively
Valve, A7 solenoid directional control valve, A10 solenoid directional control valve, C2 solenoid directional control valve, C4 solenoid directional control valve, C7 solenoid directional control valve, C10 electromagnetism
Reversal valve, E1 damper brake pressure-regulating valve, E4 damper brake pressure-regulating valve, E7 damper brake pressure-regulating valve and E10 damper brake
Pressure-regulating valve, K1 solenoid directional control valve, K2 solenoid directional control valve, K3 solenoid directional control valve, K4 solenoid directional control valve, K5 solenoid directional control valve with
And K6 solenoid directional control valve sends instruction, changes A2 solenoid directional control valve, A4 solenoid directional control valve, A7 solenoid directional control valve and A10 electromagnetism
In an ON state to valve, C2 solenoid directional control valve, C4 solenoid directional control valve, C7 solenoid directional control valve and C10 solenoid directional control valve are in
Off-state, D1 damper brake, F1 damper brake, G1 damper brake and H1 damper brake are in the state that declutches, K1 solenoid directional control valve, K2 electricity
Magnetic reversal valve, K3 solenoid directional control valve, K4 solenoid directional control valve, K5 solenoid directional control valve and K6 solenoid directional control valve remain off.
When large-scale winch emergency braking, controller is according to preparatory setting value and drum speed sensor detection feedback
Spool velocity, respectively the E1 damper brake pressure-regulating valve into the mono- damper brake group hydraulic control circuit of D, E2 brake brake pressure tune
Valve, E3 damper brake pressure-regulating valve transmission control instruction are saved, its outlet pressure is controlled respectively, adjusts D1 damper brake, D2
Damper brake and D3 damper brake act on the braking moment of reel, and reel is enable to slow down according to preparatory setting value, realize
It is braked.
When large-scale winch emergency braking, the mono- damper brake group hydraulic control circuit of F, the mono- damper brake group hydraulic control circuit of G
Working method identical with the mono- damper brake group hydraulic control circuit of D is in the mono- damper brake group hydraulic control circuit of H.
When drum speed sensor detects that reel stops completely, controller is to the mono- damper brake group hydraulic control circuit of D
In A1 solenoid directional control valve send instruction, be at off-state；Controller is into the mono- damper brake group hydraulic control circuit of D
C1 solenoid directional control valve sends instruction, is at on-state；Meanwhile A3 solenoid directional control valve remains off.
When drum speed sensor detects that reel stops completely, the mono- damper brake group hydraulic control circuit of F, the mono- braking of G
Lock group hydraulic control circuit and the mono- damper brake group hydraulic control circuit of H are in identical with the mono- damper brake group hydraulic control circuit of D
Working method.
As shown in Figure 1, in the mono- damper brake group hydraulic control circuit of D, when E1 damper brake pressure-regulating valve, E2 brake brake pressure
When any one in regulating valve or E3 damper brake pressure-regulating valve or two break down, controller is to A1 electromagnetism connected to it
Reversal valve sends control instruction, is at off-state；Meanwhile controller according to pre-set programs to any one or two A3
Solenoid directional control valve sends instruction, makes the A3 solenoid directional control valve for receiving to instruct in an ON state, in this way, when the mono- damper brake group of D is superfluous
When one or two of remaining hydraulic control circuit damper brake pressure-regulating valve breaks down, circuit still be can switch to normally
Working condition.
As shown in Figs. 1-2, when E1 damper brake pressure-regulating valve, the E2 damper brake in the mono- damper brake group hydraulic control circuit of D
When pressure-regulating valve and E3 damper brake pressure-regulating valve all break down, controller sends control to A1 solenoid directional control valve and refers to
It enables, is in an off state A1 solenoid directional control valve；Meanwhile controller is sent out according to pre-set programs to any two A3 solenoid directional control valve
Instruction is sent, makes the A3 solenoid directional control valve for receiving to instruct in an ON state；Controller according to pre-set programs to K1 solenoid directional control valve,
It is any one in K2 solenoid directional control valve, K3 solenoid directional control valve, K4 solenoid directional control valve, K5 solenoid directional control valve and K6 solenoid directional control valve
It is a or several send instruction, make the solenoid directional control valve of above-mentioned receiving instruction in an ON state, in this way, the mono- damper brake group liquid of D
Pressure control loop can still work normally.
The mono- damper brake group hydraulic control circuit of F, the mono- damper brake group hydraulic control circuit of G and the mono- damper brake group hydraulic control of H
Circuit all has above-mentioned redundancy feature identical with the mono- damper brake group hydraulic control circuit of D.
Claims (1)
1. large-scale winch emergency braking redundant hydraulic control loop, it is characterised in that: returned including the mono- damper brake group hydraulic control of D
Road, the mono- damper brake group hydraulic control circuit of F, the mono- damper brake group hydraulic control circuit of G, the mono- damper brake group hydraulic control circuit of H and
Damper brake group redundant hydraulic control loop, wherein the mono- damper brake group hydraulic control circuit of D includes: 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), controller (10), 3
A A1 solenoid directional control valve (11), 3 A3 solenoid directional control valves (12), 3 C1 solenoid directional control valves (18), the mono- damper brake group (22) of D and
Oil sources (24)；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；3 pressure sensors be respectively installed to E1 damper brake pressure-regulating valve, E2 damper brake pressure-regulating valve and
The oil outlet of E3 damper brake pressure-regulating valve；E1 damper brake pressure-regulating valve, E2 damper brake pressure-regulating valve and E3 damper brake
The oil outlet of pressure-regulating valve is connect with the oil inlet of 3 A1 solenoid directional control valves respectively, the oil outlet point of 3 A1 solenoid directional control valves
It Lian Jie not D1 damper brake, D2 damper brake and D3 damper brake；D1 damper brake, D2 damper brake and D3 damper brake pass through 3 C1 electricity respectively
Magnetic reversal valve is connect with fuel tank；D1 damper brake and D2 damper brake, D1 damper brake and D3 damper brake and D2 damper brake and D3 are braked
Lock passes through 3 A3 solenoid directional control valve connections respectively；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 connect with controller；
Constitute the mono- damper brake group hydraulic control circuit of F, the mono- damper brake group hydraulic control circuit of G and the mono- damper brake group hydraulic control of H
The Hydraulic Elements and its connection type in circuit and the Hydraulic Elements and its connection type for constituting the mono- damper brake group hydraulic control circuit of D
It is identical, to distinguish the mono- damper brake group hydraulic control circuit of F, the mono- damper brake group hydraulic control circuit of G and the mono- hydraulic control of damper brake group of H
The mono- damper brake group of D of the mono- damper brake group hydraulic control circuit of D is replaced with the mono- damper brake group of F, the mono- damper brake of G by circuit processed respectively
Group or the mono- damper brake group of H, wherein the mono- damper brake group of F includes: F1 damper brake, F2 damper brake and F3 damper brake；The mono- damper brake group of G
It include: 3 damper brake of G1 damper brake, 2 damper brake of G and G；The mono- damper brake group of H includes: H1 damper brake, H2 damper brake and H3 braking
Lock；
Damper brake group redundant hydraulic control loop includes: D1 damper brake (7), F1 damper brake (31), G1 damper brake (50), H1 braking
Lock (69), reel (82), A2 solenoid directional control valve (13), E1 damper brake pressure-regulating valve (1), A4 solenoid directional control valve (34), E4 system
Dynamic brake pressure regulating valve (25), A7 solenoid directional control valve (53), E7 damper brake pressure-regulating valve (44), A10 solenoid directional control valve (72),
E10 damper brake pressure-regulating valve (63), oil sources (24), C2 solenoid directional control valve (19), C4 solenoid directional control valve (40), C7 electromagnetic switch
Valve (59), C10 solenoid directional control valve (78), K1 solenoid directional control valve (84), K2 solenoid directional control valve (85), K3 solenoid directional control valve (86),
K4 solenoid directional control valve (87), K5 solenoid directional control valve (88), K6 solenoid directional control valve (89), 4 pressure sensors (4), drum speeds
Sensor (83), controller (10)；
A2 solenoid directional control valve is set between D1 damper brake and the oil outlet of E1 damper brake pressure-regulating valve；F1 damper brake and E4 are braked
A4 solenoid directional control valve is set between the oil outlet of brake pressure regulating valve；The oil outlet of G1 damper brake and E7 damper brake pressure-regulating valve
Between be arranged A7 solenoid directional control valve；A10 electromagnetic switch is set between H1 damper brake and the oil outlet of E10 damper brake pressure-regulating valve
Valve；E1 damper brake pressure-regulating valve, E4 damper brake pressure-regulating valve, E7 damper brake pressure-regulating valve and E10 brake brake pressure tune
Pressure sensor is arranged in the oil outlet for saving valve；E1 damper brake pressure-regulating valve, E4 damper brake pressure-regulating valve, E7 brake brake pressure
The oil inlet of regulating valve and E10 damper brake pressure-regulating valve is connected with oil sources；E1 damper brake pressure-regulating valve, E4 damper brake pressure
Force regulating valve, E7 damper brake pressure-regulating valve, E10 damper brake pressure-regulating valve, A2 solenoid directional control valve, A4 solenoid directional control valve, A7
The control terminal of solenoid directional control valve and A10 solenoid directional control valve is connect with controller；
D1 damper brake, F1 damper brake, G1 damper brake and H1 damper brake pass through C2 solenoid directional control valve, C4 solenoid directional control valve, C7 respectively
Solenoid directional control valve, C10 solenoid directional control valve are connected to fuel tank, C2 solenoid directional control valve, C4 solenoid directional control valve, C7 solenoid directional control valve and
The control terminal of C10 solenoid directional control valve connects controller；K6 solenoid directional control valve is set between D1 damper brake and F1 damper brake；D1 braking
K2 solenoid directional control valve is set between lock and G1 damper brake；K1 solenoid directional control valve is set between D1 damper brake and H1 damper brake；F1 system
K5 solenoid directional control valve is set between dynamic lock and G1 damper brake；K4 solenoid directional control valve is set between F1 damper brake and H1 damper brake；G1
K3 solenoid directional control valve is set between damper brake and H1 damper brake；K6 solenoid directional control valve, K1 solenoid directional control valve, K2 solenoid directional control valve,
The control terminal of K5 solenoid directional control valve, K4 solenoid directional control valve and K3 solenoid directional control valve is connect with controller；
Drum speed sensor is mounted on the main shaft of reel, the output end of drum speed sensor and pressure sensor with control
Device processed is connected.
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| CN201810079603.3A CN108275598B (en) | 2018-01-26 | 2018-01-26 | Large-scale winch emergency braking redundant hydraulic control loop |
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| CN201810079603.3A CN108275598B (en) | 2018-01-26 | 2018-01-26 | Large-scale winch emergency braking redundant hydraulic control loop |
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| CN108275598B true CN108275598B (en) | 2019-06-28 |
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| US3937526A (en) * | 1974-12-16 | 1976-02-10 | Goodyear Aerospace Corporation | Single valve braking system having anti-skid control |
| DE3420990A1 (en) * | 1984-06-06 | 1985-12-12 | Robert Bosch Gmbh, 7000 Stuttgart | Hydraulic system |
| 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 |
| CN102701103A (en) * | 2012-06-09 | 2012-10-03 | 太原理工大学 | Safety brake and redundancy control system of mine hoist |
| CN103241606A (en) * | 2013-05-22 | 2013-08-14 | 太原理工大学 | Electro-hydraulic hybrid driving mine lifting device and control method thereof |
| CN104196080A (en) * | 2014-09-17 | 2014-12-10 | 太原理工大学 | Variable-speed volume-control direct-drive all-electric hydraulic excavator drive and energy recovery system |
| CN104876105A (en) * | 2015-06-26 | 2015-09-02 | 徐州大恒测控技术有限公司 | Hand-operated pressure relief device and method with second-level safety braking |
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2018
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3937526A (en) * | 1974-12-16 | 1976-02-10 | Goodyear Aerospace Corporation | Single valve braking system having anti-skid control |
| DE3420990A1 (en) * | 1984-06-06 | 1985-12-12 | Robert Bosch Gmbh, 7000 Stuttgart | Hydraulic system |
| 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 |
| CN102701103A (en) * | 2012-06-09 | 2012-10-03 | 太原理工大学 | Safety brake and redundancy control system of mine hoist |
| CN103241606A (en) * | 2013-05-22 | 2013-08-14 | 太原理工大学 | Electro-hydraulic hybrid driving mine lifting device and control method thereof |
| CN104196080A (en) * | 2014-09-17 | 2014-12-10 | 太原理工大学 | Variable-speed volume-control direct-drive all-electric hydraulic excavator drive and energy recovery system |
| CN104876105A (en) * | 2015-06-26 | 2015-09-02 | 徐州大恒测控技术有限公司 | Hand-operated pressure relief device and method with second-level safety braking |
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| CN108275598A (en) | 2018-07-13 |
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