CN208686672U - A kind of mine hoist safety arrestment perseverance deceleration hydraulic control device - Google Patents
A kind of mine hoist safety arrestment perseverance deceleration hydraulic control device Download PDFInfo
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- CN208686672U CN208686672U CN201821458073.5U CN201821458073U CN208686672U CN 208686672 U CN208686672 U CN 208686672U CN 201821458073 U CN201821458073 U CN 201821458073U CN 208686672 U CN208686672 U CN 208686672U
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Abstract
Safety problem caused by cannot be braked according to load, the speed of elevator to solve mine hoist in safety arrestment, the utility model provide a kind of mine hoist safety arrestment perseverance deceleration hydraulic control device: the input end side of two-bit triplet solenoid valve connection switching overflow valve pipeline is additionally provided with two groups of identical brake servo circuits；Wherein, two roads adjacent in four tunnel parallel connection intake lines connect wherein one group of brake servo circuit；Other two roads another group of brake servo circuit in parallel in the four tunnels parallel connection intake line；Brake servo circuit includes concatenated first brake piping, the second brake piping and the first brake pressure transmitter, the second brake pressure transmitter；Wherein, the first braking ratio precursor overflow valve is provided in the first brake piping；The second braking ratio precursor overflow valve is provided in second brake piping.The utility model brake force size carries out intelligent brake according to elevator load and the speed of service, improves security performance.
Description
Technical field
The utility model relates to a kind of mine hoist hydraulic station control systems, more particularly, to a kind of mine hoisting
Machine safety arrestment perseverance deceleration hydraulic control device.
Background technique
Mine hoist is the throat equipment of the mining productions such as coal mine and non-coal mine, is responsible for relative to main hoist
The production and transport task of full mine, and the spoil that full mine is then responsible for relative to auxiliary shaft is promoted, fortune of going into the well on transport of materials and personnel
Defeated task, in this sense, the safe operation of mine hoist are not only related to mine output, it is often more important that concerning
The personal safety of employee.
Mine hoist is when significant trouble occur in braking process with high safety, from instantaneous velocity to static deceleration
Journey is to implement emergency braking to elevator to realize by brake, generallys use constant moment of force brake fluid system.Due to this
The braking moment of kind braking system is steady state value, and the promotion load (positive force, negative force and size) of elevator, promotion speed are opposite
It is variation in the lifting process of not homogeneous, thus just produces different braking effects, transfers operating condition relative to high-speed overload
It is too small and pulleying occurs and rushes to summit accident to will lead to deceleration；And relative to high-speed overload heavy lift operating condition, then very likely go out
Existing brake force is excessive too quickly and causes rope-broken accident, and the serious of economic loss even casualties can be all brought to mining production
Consequence.
As it can be seen that mine hoist cannot be braked in safety arrestment according to load, the speed of elevator, there are safety
Hidden danger.
Utility model content
It cannot be carried out according to load, the speed of elevator to solve mine hoist in the prior art in safety arrestment
Safety problem caused by braking, realizes mine hoist safety arrestment perseverance deceleration, and the utility model provides a kind of mine
Mine hoist safety is braked permanent deceleration hydraulic control device and is developed to meet the function, it not only meets safety of coal mines
Regulation and mining elevator safety standard requirement, and intelligent brake is carried out according to elevator working condition, improve safety
Energy.
A kind of mine hoist safety arrestment perseverance deceleration hydraulic control device, including receiving the extraneous promotion sent
The electrically-controlled component of machine speed of service information and the oil piping system for slowing down to mining elevator controlled by electrically-controlled component；It should
Oil piping system includes pressure oil-source pipeline, accumulation of energy pipeline, pattern switching pipeline and brake actuator pipeline；Pressure oil-source pipeline
Output end unidirectionally connect accumulation of energy pipeline；The output end of pressure oil-source pipeline is also connected with the input terminal of pattern switching pipeline simultaneously；
The output end of the pattern switching pipeline connects brake actuator pipeline；
Wherein, pattern switching pipeline by four two-bit triplet solenoid valve blocks in parallel at；Corresponding brake actuator pipeline
It is made of concatenated four braking electromagnetic valve pipelines and four brake actuators；The wherein output end and system of two-bit triplet solenoid valve
The input terminal of dynamic actuator pipeline is connected in series to form independent four tunnels parallel connection brake piping；The one of four two-bit triplet solenoid valves
A input terminal pipeline is connect after being connected in parallel with the output end of accumulation of energy pipeline with the output end of pressure oil-source pipeline simultaneously；Four
After another input terminal pipeline of two-bit triplet solenoid valve is in parallel with switching overflow valve piping connection；In the switching overflow valve pipeline
It is provided with switching solenoid valve and switching overflow valve；Braking electromagnetic valve is provided in braking electromagnetic valve pipeline；Two-bit triplet electromagnetism
Valve, braking electromagnetic valve and switching solenoid valve and switching overflow valve are electrically connected to electrically-controlled component；It is characterized by:
The input end side of two-bit triplet solenoid valve connection switching overflow valve pipeline is additionally provided with two groups of identical control for brake
Circuit；
Wherein, two roads adjacent in four tunnel parallel connection intake lines connect wherein one group of brake servo circuit；Four tunnel is simultaneously
Join two roads another group of brake servo circuit in parallel other in intake line；
Brake servo circuit includes concatenated first brake piping, the second brake piping and the first brake pressure pick-up
Device, the second brake pressure transmitter；
Wherein, the first braking ratio precursor overflow valve is provided in the first brake piping；It is provided in second brake piping
Second braking ratio precursor overflow valve；
Wherein, one group of connection in the input terminal of the first brake piping intake line in parallel with four tunnels；First brake pipe
The output end on road is connect with the input terminal of the second brake piping；The output end of second brake piping intake line in parallel with four tunnels
In another group of connection；First brake pressure transmitter, the second brake pressure transmitter are separately positioned on the first brake piping
Input terminal side, the second brake piping output end side；
Wherein, the first braking ratio precursor overflow valve, the second braking ratio precursor overflow valve, the first brake pressure transmitter
Electrically-controlled component is electrically connected to the second brake pressure transmitter.
Redundancy pipeline is provided between the input terminal of first brake piping and the output end of the second brake piping；It should
Redundancy pipeline is internally provided with redundancy solenoid valve；The redundancy solenoid valve is normally off；The redundancy solenoid valve is electrically connected to electricity
Control component.
The pressure oil-source pipeline includes hydraulic oil motor, hydraulic oil pump, pressure oil-source pressure transmitter and ratio
Precursor overflow valve；
Wherein, the output end connection hydraulic oil pump of hydraulic oil motor is for driving hydraulic oil pump；The output end of hydraulic oil pump
The pressure oil-source pressure transmitter for detector internal pressure is provided in pipeline；The output end pipeline of hydraulic oil pump and accumulation of energy
Proportion pilot overflow valve is provided in pipeline between the input terminal pipeline of pipeline；
Wherein, hydraulic oil motor is electrically connected to electric-control system；Pressure oil-source pressure transmitter, proportion pilot overflow valve are electric
It is connected to electric-control system.
The accumulation of energy pipeline includes the accumulation of energy check valve being arranged in pressure oil-source pipeline output end pipeline, accumulation of energy check valve
The manually-operated gate of output end piping connection and one end are successively connected in parallel on the accumulation of energy electromagnetism between accumulation of energy check valve and manually-operated gate
Valve pipeline, accumulator pipeline, energy-storage pressure relay pipeline and energy-storage pressure transmitter pipeline；
Wherein, the other end of energy-storage pressure relay pipeline is connected with the input terminal pipeline of two-bit triplet solenoid valve；
Wherein, accumulation of energy solenoid valve is provided in accumulation of energy electromagnetic valve pipeline；The other end of accumulator pipeline connects accumulator；It stores
Energy-storage pressure relay can be provided in pressure switch pipeline；The energy-storage pressure transmitter pipeline other end is connected with for measuring
The energy-storage pressure transmitter of energy storage pressure；
Wherein, accumulation of energy solenoid valve, energy-storage pressure transmitter, energy-storage pressure relay are electrically connected to electrically-controlled component.
Described further include be arranged in two-bit triplet solenoid valve output end pipeline and brake actuator pipeline input terminal it
Between the pressure relief pipe for being in communication with the outside；Pressure release electromagnetic valve is provided in the pressure relief pipe；Pressure release electromagnetic valve electrical connection
To electric-control system.
The utility model has the advantages that the utility model reads the extraneous elevator speed of service information sent by setting electrically-controlled component
Afterwards, after being connected to safety arrestment instruction, the first braking ratio precursor overflow valve and the second braking ratio precursor overflow valve are carried out
Control adjusts the oil pressure in brake actuator pipeline, to be adjusted according to Hoist Speed to brake force.The utility model
Structure is simple, reliable for operation, and brake force size is adjusted in real time according to the elevator speed of service and load, guarantees constant deceleration
Degree avoids resolving rope or accident of rushing to summit.
Detailed description of the invention
Fig. 1 is the utility model structure diagram.
Fig. 2 is electrically-controlled component functional block diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.
Such as Fig. 1, a kind of mine hoist safety arrestment perseverance deceleration hydraulic control device, including receiving the extraneous promotion sent
The electrically-controlled component 1 of machine speed of service information and the oil piping system for slowing down to mining elevator controlled by electrically-controlled component 1
2；The oil piping system 2 includes pressure oil-source pipeline 201, accumulation of energy pipeline 202, pattern switching pipeline 203 and brake actuator pipe
Road 204；The output end of pressure oil-source pipeline 201 unidirectionally connects accumulation of energy pipeline 202；The output end of pressure oil-source pipeline 201 is simultaneously
It is also connected with the input terminal of pattern switching pipeline 203；The output end of the pattern switching pipeline 203 connects brake actuator pipeline 204；
Wherein, pattern switching pipeline 203 is made of four two-bit triplet solenoid valves 2031 in parallel；Corresponding braking executes
Device pipeline 204 is made of concatenated four braking electromagnetic valve pipelines and four brake actuators 2042；Wherein two-bit triplet electromagnetism
The output end of valve 2031 and the input terminal of brake actuator pipeline 204 are connected in series to form independent four tunnel brake piping in parallel；
Output end and pressure with accumulation of energy pipeline 202 after one input terminal pipeline of four two-bit triplet solenoid valves 2031 is connected in parallel
The output end of oil sources pipeline 201 connects simultaneously；After another input terminal pipeline of four two-bit triplet solenoid valves 2031 is in parallel with
Switch overflow valve piping connection；Switching solenoid valve 2032 and switching overflow valve 2033 are provided in the switching overflow valve pipeline；System
Braking electromagnetic valve 2041 is provided in moving electromagnetic valve pipeline；It two-bit triplet solenoid valve 2031, braking electromagnetic valve 2041 and cuts
It changes solenoid valve 2032 and switching overflow valve 2033 is electrically connected to electrically-controlled component 1；It is characterized by:
The input end side of the connection switching overflow valve pipeline of two-bit triplet solenoid valve 2031 is additionally provided with two groups of identical brakings
Control loop 206；
Wherein, two roads adjacent in four tunnel parallel connection intake lines connect wherein one group of brake servo circuit 206；Four tunnel
Other two roads another group of brake servo circuit 206 in parallel in intake line in parallel；
Brake servo circuit 206 includes that concatenated first brake piping, the second brake piping and the first brake pressure become
Send device 2064, the second brake pressure transmitter 2063；
Wherein, the first braking ratio precursor overflow valve 2061 is provided in the first brake piping；It is set in second brake piping
It is equipped with the second braking ratio precursor overflow valve 2062；
Wherein, one group of connection in the input terminal of the first brake piping intake line in parallel with four tunnels；First brake pipe
The output end on road is connect with the input terminal of the second brake piping；The output end of second brake piping intake line in parallel with four tunnels
In another group of connection；First brake pressure transmitter 2064, the second brake pressure transmitter 2063 are separately positioned on the first system
Move the input terminal side of pipeline, the output end side of the second brake piping；
Wherein, the first braking ratio precursor overflow valve 2061, second brakes the braking pressure of ratio precursor overflow valve 2062, first
Power transmitter 2064 and the second brake pressure transmitter 2063 are electrically connected to electrically-controlled component 1.
It should be clear that: the deceleration of safety arrestment perseverance refers to during mine hoist safety arrestment, no matter elevator
How speed or magnitude of load change, and so that elevator is generated constant deceleration by the effect of hydraulic control device.
Redundancy pipeline is provided between the input terminal of first brake piping and the output end of the second brake piping
207；The redundancy pipeline 207 is internally provided with redundancy solenoid valve 2071；The redundancy solenoid valve 2071 is normally off；The redundancy
Solenoid valve 2071 is electrically connected to electrically-controlled component 1.
The pressure oil-source pipeline 201 includes hydraulic oil motor 2011, hydraulic oil pump 2012, pressure oil-source pressure inverting
Device 2013 and proportion pilot overflow valve 2014；
Wherein, the output end connection hydraulic oil pump 2012 of hydraulic oil motor 2011 is for driving hydraulic oil pump 2012；It is hydraulic
The pressure oil-source pressure transmitter 2013 for detector internal pressure is provided in the output end pipeline of oil pump 2012；Hydraulic oil
Proportion pilot overflow valve is provided in pipeline between the output end pipeline of pump 2012 and the input terminal pipeline of accumulation of energy pipeline 202
2014；
Wherein, hydraulic oil motor 2011 is electrically connected to electric-control system 1；Pressure oil-source pressure transmitter 2013, proportion pilot
Overflow valve 2014 is electrically connected to electric-control system 1.
The accumulation of energy pipeline 202 include 201 output end pipeline of pressure oil-source pipeline in be arranged accumulation of energy check valve 2021,
The manually-operated gate 2022 of 2021 output end piping connection of accumulation of energy check valve and one end are successively connected in parallel on 2021 He of accumulation of energy check valve
Accumulation of energy electromagnetic valve pipeline, accumulator pipeline, energy-storage pressure relay pipeline and energy-storage pressure between manually-operated gate 2022 become
Send device pipeline；
Wherein, the other end of energy-storage pressure relay pipeline is connected with the input terminal pipeline of two-bit triplet solenoid valve 2031；
Wherein, accumulation of energy solenoid valve 2023 is provided in accumulation of energy electromagnetic valve pipeline；The other end of accumulator pipeline connects accumulation of energy
Device 2024；Energy-storage pressure relay 2025 is provided in energy-storage pressure relay pipeline；The energy-storage pressure transmitter pipeline other end
It is connected with the energy-storage pressure transmitter 2026 for measuring 2024 pressure of accumulator；
Wherein, accumulation of energy solenoid valve 2023, energy-storage pressure transmitter 2026, energy-storage pressure relay 2025 are electrically connected to electricity
Control component 1.
A kind of mine hoist safety arrestment perseverance deceleration hydraulic control device, it is characterised in that: further include setting
It is used to be in communication with the outside between 204 input terminal of output end pipeline and brake actuator pipeline of two-bit triplet solenoid valve 2031
Pressure relief pipe 205；Pressure release electromagnetic valve 2051 is provided in the pressure relief pipe 205；The pressure release electromagnetic valve 2051 is electrically connected to electricity
Control system 1.
It should be clear that: the method that electrically-controlled component 1 receives the elevator speed of service information of extraneous transmission is: by this reality
It is connected in existing hoist braking system with novel, wherein the port connection in electrically-controlled component 1 for information collection is existing
The output end of the speed acquisition sensor of hoist braking system, realizes the reading of Hoist Speed.
There is oil pressure to open a sluice gate specifically, the brake actuator 2042 of the utility model uses, the oil-free control mode for pressing off lock.
It should be clear that: the model FX3U-48MR of control unit.
The use process of the utility model is: such as Fig. 1~2, under entire service braking mode, brake actuator pipeline
204 oil sources and oil pressure is supplied and is controlled by pressure oil-source pipeline 201.Input terminal 102 is received from mine hoisting electromechanics
Dry contact signal AC, GZ and speed sensor signal YK, 0-10V or 4-20mA of control system.When initialization, when AC, GZ are closed
It closes, electrically-controlled component 1 issues work order to pressure oil-source pipeline 201, controls hydraulic oil motor 2011 and drives hydraulic oil pump 2012
Operating controls proportion pilot overflow valve 2014 when YK signal is 10V or 20mA, make the work of pressure oil-source pipeline 201 in maximum oil
Pressure condition；Accumulation of energy solenoid valve 2023 and 2032, four two-bit triplet solenoid valves 2031 of switching solenoid valve are all not charged, accumulation of energy pipeline
Accumulator 2024 in 202 is full of oil.Accumulator 2024 issues oil-filled completion signal full of energy-storage pressure relay 2025 after oil；
Input terminal 102 receives the oil-filled completion signal that energy-storage pressure relay 2025 is sent and is transmitted to control unit 101, control unit
101 require to issue service braking instruction according to control, make the work of pattern switching pipeline 203 in service braking mode.Two-bit triplet
Solenoid valve 2031 charges.Meanwhile control unit 101 controls the normally opened pressure release electromagnetic valve 2051 in pressure relief pipe 205 and charges, liquid
Pressure oil is transferred to brake actuator 2042, and brake is made to open lock, and elevator brings into operation；When elevator needs to stop, YK signal
It drops to 0V or 4mA, GZ contact disconnects, control unit 101, which controls proportion pilot overflow valve 2014, makes oil pressure drop to zero, and braking executes
Hydraulic device 2042 is zero, brake group band-type brake, and elevator is out of service；Under service braking mode, input terminal 102 in real time will
Pressure oil-source pressure transmitter 2013, signal send control unit 101 to, by control unit 101 to YK signal and pressure oil
Pressure transmitter 2013 signal in source is compared operation therefore, it is determined that whether pressure oil-source pipeline 201 is working properly.
When needing the i.e. emergency braking of safety arrestment due to certain failure cause in elevator operational process, AC, GZ are disconnected,
YK signal is minimized value, and control unit 101 issues safety arrestment instruction, controls hydraulic oil motor 2011, hydraulic oil pump 2012
It shuts down, control proportion pilot overflow valve 2014 makes oil pressure drop to zero.Two-bit triplet solenoid valve in pattern switching pipeline 203
2031 work are in security brake modes: accumulation of energy solenoid valve 2023 charges, and completes fuel feeding oil sources and is switched to by pressure oil-source pipeline 201
Accumulation of energy pipeline 202.Normally closed redundancy solenoid valve 2071 charges, and four tunnel parallel connection brake pipings is made respectively to work independently, and switches electromagnetism
Valve 2032 charges, and four tunnel parallel connection brake pipings is made to work within the scope of 0- the oil pressure contacting brake.Wherein, the oil pressure contacting brake is overflow by switching
It flows valve 2033 to set up, the pressure release electromagnetic valve 2051 in pressure relief pipe 205 charges, and realization accumulation of energy pipeline 202 is brake actuator pipe
204 fuel feeding of road.
Such as Fig. 2, electrically-controlled component 1 includes control unit 101, input terminal 102 and output mechanism 103；Output mechanism 103
Including the relay or other driving parts for controlling various valves.Wherein, for input terminal: in input terminal 102
The port X0~X6 in the port X0, X1 be used to connect AC, GZ signal of existing hoist braking system.Wherein, AC indicates existing
There is the contact in hoist braking system in safety return circuit；GZ expression allows spacious lock signal end.X2 ~ X6 is separately connected energy-storage pressure
The normally opened contact of 2025, four braking electromagnetic valves 2041 of relay.Wherein, the port A11+ ~ A16+ and A11+ ~ A16+ difference is pairs of
Using for connecting pressure oil-source pressure transmitter 2013, energy-storage pressure transmitter 2026 and the first brake pressure transmitter
2064, the second brake pressure transmitter 2065, if four tunnel parallel connection intake lines further include other two brake pressure transmitters.
It is to be noted that A11+ ~ A16+ and the port A11+ ~ A16+ have A/D conversion function.Wherein, A17+, A17- are existing for acquiring
The analog signal values YK of velocity sensor in some hoist braking systems.Wherein, A18+ connect existing promotion with the end A18-
For measuring the value of the pressure sensor of elevator load in brake system.
The output end of control unit 101: where the coil-end of the end the X5 connection relay of control unit 101 is for controlling
The opening degree of proportion pilot overflow valve 2014.
Wherein, the coil-end of the port the X6 connection energy-storage pressure relay 2025 of control unit 101 controls accumulation of energy pipeline 202
Work；The coil-end control mode switch pipeline 203 that the port Y0 connects accumulation of energy solenoid valve 2023 works；The port X7, Y1 and Y2
Driver is separately connected to control switching 2032, four overflow valve 2033, switching solenoid valve two-bit triplet solenoid valves 2031.
Wherein, A2+, B2- of 102 output end of A3+, B3- and input terminal of control unit 101 are connected to for driving the
One braking ratio precursor overflow valve 2061, second brakes ratio precursor overflow valve 2062 and other two braking proportion pilot overflows
On the driver for flowing valve.
Such as Fig. 2, under the premise of tetra- tunnel parallel connection intake line of You, need to be arranged two group of first braking ratio precursor overflow valve
2061 and second brake ratio precursor overflow valve 2062, and being formed by pipeline by a speed ring is in four oil pressure rings of outer ring are
The bicyclic regulating system of ring is constituted, and four oil pressure rings control two group of first braking ratio precursor overflow valve 2061 and the second system respectively
Dynamic proportion pilot overflow valve 2062 amounts to four braking ratio precursor overflow valves.Two group of first brake pressure transmitter 2064 and
Two brake pressure transmitters 2063 amount to four brake pressure transmitters and provide the detection feedback signal of four oil pressure rings respectively.
The Setting signal of speed ring is calculated by the deceleration value determined and is determined, the feedback speed signal of speed ring is by elevator
Main electric-control system provides；Four tunnel parallel connection intake lines control four road binders pressures and are supplied respectively to four tunnel parallel connection brake pipings realization brake force
Adjusting.During retarding braking, in real time by each road binders pressure given value and oil pressure feedback in four tunnel parallel connection intake lines
Be worth comprehensive analysis and judgement its whether normal operation, find certain all the way failure when can be by the redundancy solenoid valve in redundancy pipeline 207
2071 power loss are closed redundancy solenoid valve 2071, are switched to the work of another way fuel feeding.
Such as first braking ratio precursor overflow valve 2061 control oil path failure when, can make redundancy solenoid valve 2071 lose
Electricity, the pipeline being connected in four brake actuators 2042 with the first braking ratio precursor overflow valve 2061 brake ratio elder generation with second
Lead the corresponding pipeline connection of overflow valve 2062.
When speed is reduced to zero under the action of elevator is in brake servo circuit 206 or brake servo circuit 206 all loses
When clever, the whole power loss of pressure release electromagnetic valve in pressure relief pipe 205 2051 make oil pressure zero ensure band-type brake.
The foregoing is merely the preferred embodiment of utility model, oneself, is not intended to limit the utility model, all in this reality
With made any modifications, equivalent replacements, and improvements within novel spirit and principle etc., the utility model should be included in
Within protection scope.
Claims (5)
1. a kind of mine hoist safety arrestment perseverance deceleration hydraulic control device runs speed including receiving the extraneous elevator sent
The oil piping system (2) for slowing down to mining elevator spending the electrically-controlled component (1) of information and being controlled by electrically-controlled component (1)；
The oil piping system (2) includes that pressure oil-source pipeline (201), accumulation of energy pipeline (202), pattern switching pipeline (203) and braking are held
Row device pipeline (204)；The output end of pressure oil-source pipeline (201) unidirectionally connects accumulation of energy pipeline (202)；Pressure oil-source pipeline
(201) output end is also connected with the input terminal of pattern switching pipeline (203) simultaneously；The output end of the pattern switching pipeline (203)
It connects brake actuator pipeline (204)；
Wherein, pattern switching pipeline (203) is made of four two-bit triplet solenoid valves (2031) in parallel；Corresponding braking executes
Device pipeline (204) is made of concatenated four braking electromagnetic valve pipelines and four brake actuators (2042)；Wherein two-bit triplet
The output end of solenoid valve (2031) and the input terminal of brake actuator pipeline (204) are connected in series to form independent four tunnel system in parallel
Dynamic pipeline；One input terminal pipeline of four two-bit triplet solenoid valves (2031) be connected in parallel after with accumulation of energy pipeline (202)
Output end is connect simultaneously with the output end of pressure oil-source pipeline (201)；Another of four two-bit triplet solenoid valves (2031) is defeated
Enter end pipe road it is in parallel after with switching overflow valve piping connection；Be provided in the switching overflow valve pipeline switching solenoid valve (2032) and
Switch overflow valve (2033)；Braking electromagnetic valve (2041) are provided in braking electromagnetic valve pipeline；Two-bit triplet solenoid valve
(2031), braking electromagnetic valve (2041) and switching solenoid valve (2032) and switching overflow valve (2033) are electrically connected to automatically controlled group
Part (1)；It is characterized by:
The input end side of two-bit triplet solenoid valve (2031) connection switching overflow valve pipeline is additionally provided with two groups of identical braking controls
Circuit (206) processed；
Wherein, two roads adjacent in four tunnel parallel connection intake lines connect wherein one group of brake servo circuit (206)；Four tunnel is simultaneously
Join two roads another group of brake servo circuit (206) in parallel other in intake line；
Brake servo circuit (206) includes concatenated first brake piping, the second brake piping and the first brake pressure pick-up
Device (2064), the second brake pressure transmitter (2063)；
Wherein, the first braking ratio precursor overflow valve (2061) is provided in the first brake piping；Setting in second brake piping
There is the second braking ratio precursor overflow valve (2062)；
Wherein, one group of connection in the input terminal of the first brake piping intake line in parallel with four tunnels；First brake piping
Output end is connect with the input terminal of the second brake piping；In the output end of second brake piping intake line in parallel with four tunnels
Another group of connection；First brake pressure transmitter (2064), the second brake pressure transmitter (2063) are separately positioned on the first system
Move the input terminal side of pipeline, the output end side of the second brake piping；
Wherein, the first braking ratio precursor overflow valve (2061), the second braking ratio precursor overflow valve (2062), the first braking pressure
Power transmitter (2064) and the second brake pressure transmitter (2063) are electrically connected to electrically-controlled component (1).
2. a kind of mine hoist safety arrestment perseverance deceleration hydraulic control device according to claim 1, it is characterised in that:
Redundancy pipeline (207) are provided between the input terminal of first brake piping and the output end of the second brake piping；The redundancy pipeline
(207) be internally provided with redundancy solenoid valve (2071)；The redundancy solenoid valve (2071) is normally off；The redundancy solenoid valve
(2071) it is electrically connected to electrically-controlled component (1).
3. a kind of mine hoist safety arrestment perseverance deceleration hydraulic control device according to claim 1, it is characterised in that:
Pressure oil-source pipeline (201) includes hydraulic oil motor (2011), hydraulic oil pump (2012), pressure oil-source pressure transmitter
(2013) and proportion pilot overflow valve (2014)；
Wherein, output end connection hydraulic oil pump (2012) of hydraulic oil motor (2011) is for driving hydraulic oil pump (2012)；Liquid
The pressure oil-source pressure transmitter (2013) for detector internal pressure is provided in the output end pipeline of pressure oil pump (2012)；
The proportional elder generation of setting in pipeline between the output end pipeline of hydraulic oil pump (2012) and the input terminal pipeline of accumulation of energy pipeline (202)
Lead overflow valve (2014)；
Wherein, hydraulic oil motor (2011) is electrically connected to electrically-controlled component (1)；Pressure oil-source pressure transmitter (2013), ratio are first
It leads overflow valve (2014) and is electrically connected to electrically-controlled component (1).
4. a kind of mine hoist safety arrestment perseverance deceleration hydraulic control device according to claim 1, it is characterised in that:
Accumulation of energy pipeline (202) includes that the accumulation of energy check valve (2021) being arranged in pressure oil-source pipeline (201) output end pipeline, accumulation of energy are unidirectional
The manually-operated gate (2022) of valve (2021) output end piping connection and one end are successively connected in parallel on accumulation of energy check valve (2021) and hand
Accumulation of energy electromagnetic valve pipeline, accumulator pipeline, energy-storage pressure relay pipeline and energy-storage pressure between movable valve (2022) become
Send device pipeline；
Wherein, the other end of energy-storage pressure relay pipeline is connected with the input terminal pipeline of two-bit triplet solenoid valve (2031)；
Wherein, it is provided in accumulation of energy electromagnetic valve pipeline accumulation of energy solenoid valve (2023)；The other end of accumulator pipeline connects accumulator
(2024)；Energy-storage pressure relay (2025) are provided in energy-storage pressure relay pipeline；Energy-storage pressure transmitter pipeline is another
End is connected with the energy-storage pressure transmitter (2026) for measuring accumulator (2024) pressure；
Wherein, accumulation of energy solenoid valve (2023), energy-storage pressure transmitter (2026), energy-storage pressure relay (2025) are electrically connected to
Electrically-controlled component (1).
5. a kind of mine hoist safety arrestment perseverance deceleration hydraulic control device according to claim 1, it is characterised in that:
It further include being arranged between the output end pipeline and brake actuator pipeline (204) input terminal of two-bit triplet solenoid valve (2031)
Pressure relief pipe (205) for being in communication with the outside；Pressure release electromagnetic valve (2051) are provided in the pressure relief pipe (205)；The pressure release
Solenoid valve (2051) is electrically connected to electrically-controlled component (1).
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| CN201821458073.5U CN208686672U (en) | 2018-09-06 | 2018-09-06 | A kind of mine hoist safety arrestment perseverance deceleration hydraulic control device |
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| CN201821458073.5U CN208686672U (en) | 2018-09-06 | 2018-09-06 | A kind of mine hoist safety arrestment perseverance deceleration hydraulic control device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219836A (en) * | 2019-06-10 | 2019-09-10 | 徐州大恒测控技术有限公司 | A kind of mine hoist safety switching brake perseverance deceleration hydraulic system and braking method |
| CN110526152A (en) * | 2019-08-30 | 2019-12-03 | 太原理工大学 | Multichannel protecting against shock intelligent constant deceleration brake fluid system |
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| CN114087249A (en) * | 2021-11-18 | 2022-02-25 | 国能神东煤炭集团有限责任公司 | Electro-hydraulic pressure control system and control method |
| CN117142380A (en) * | 2023-10-23 | 2023-12-01 | 中信重工开诚智能装备有限公司 | Electric control automatic driving system of mining elevator |
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2018
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| CN110219836A (en) * | 2019-06-10 | 2019-09-10 | 徐州大恒测控技术有限公司 | A kind of mine hoist safety switching brake perseverance deceleration hydraulic system and braking method |
| CN110219836B (en) * | 2019-06-10 | 2023-12-26 | 徐州大恒测控技术有限公司 | Safety switching braking constant-speed-reduction hydraulic system and braking method for elevator |
| CN110526152A (en) * | 2019-08-30 | 2019-12-03 | 太原理工大学 | Multichannel protecting against shock intelligent constant deceleration brake fluid system |
| CN113602944A (en) * | 2021-06-30 | 2021-11-05 | 洛阳智超机电科技有限公司 | Positive and negative force detection and safety braking control method for single-rope hoister system |
| CN113602944B (en) * | 2021-06-30 | 2023-06-30 | 洛阳智超机电科技有限公司 | Positive and negative force detection and safety braking control method for single-rope lifter system |
| CN114087249A (en) * | 2021-11-18 | 2022-02-25 | 国能神东煤炭集团有限责任公司 | Electro-hydraulic pressure control system and control method |
| CN114087249B (en) * | 2021-11-18 | 2023-05-26 | 国能神东煤炭集团有限责任公司 | Electrohydraulic pressure control system and control method |
| CN117142380A (en) * | 2023-10-23 | 2023-12-01 | 中信重工开诚智能装备有限公司 | Electric control automatic driving system of mining elevator |
| CN117142380B (en) * | 2023-10-23 | 2024-02-13 | 中信重工开诚智能装备有限公司 | Electric control automatic driving system of mining elevator |
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