CN206634964U - Ocean winch electro-hydraulic brake system based on Closed Hydraulic brake - Google Patents

Ocean winch electro-hydraulic brake system based on Closed Hydraulic brake Download PDF

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Publication number
CN206634964U
CN206634964U CN201720390510.3U CN201720390510U CN206634964U CN 206634964 U CN206634964 U CN 206634964U CN 201720390510 U CN201720390510 U CN 201720390510U CN 206634964 U CN206634964 U CN 206634964U
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China
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oil
valve
brake
hydraulic brake
hydraulic
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CN201720390510.3U
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Chinese (zh)
Inventor
郭勇
黄良沛
刘德顺
刘厚才
刘勇华
金永平
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Hunan University of Science and Technology
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Hunan University of Science and Technology
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Abstract

The utility model discloses a kind of ocean winch electro-hydraulic brake system based on Closed Hydraulic brake, including fuel tank, hydraulic pump, threephase asynchronous, manual maintenance pump, suck-back prevent valve, brake hard inserts switching valve, normally closed floating type hydraulic brake, winding drum brake disc, drum speed encoder, accumulator, flexible braking inserting switching valve, flexible braking pressure regulator valve, manual maintenance control valve, safety valve and PLC control devices;The utility model is simple in construction, occupy little space, be safe, strong adaptability, energy consumption is low, reliability is high, and high efficiency and low wear under ocean winch different loads and operating mode can be braked.

Description

Ocean winch electro-hydraulic brake system based on Closed Hydraulic brake
Technical field
It the utility model is related to a kind of ocean brake system of winch, and in particular to a kind of sea based on Closed Hydraulic brake Foreign winch electro-hydraulic brake system.
Background technology
Ocean winch is mainly used in the folding and unfolding of deep-ocean resource exploitation equipment, ROV systems, underwater towed system, etc..Enclosed Brake normality is realized to drawworks brake by the elastic restoring force of spring or disc spring, safe, in ocean winch field It is widely applied.Braking control system control performance quality directly affects braking energy consumption and the working life of brake, Restrict ocean winch adaptability and security.
Patent 201510706460. 0 discloses a kind of mining hydraulic winch electro-hydraulic proportional control system, its braking system System includes braking pumping plant, pilot operated directional control valve, solenoid directional control valve, electricity liquid ratio relief valve, amplifier, brake handle.Operate current potential Meter type brake handle, the output end of brake handle connect the control terminal of electricity liquid ratio relief valve through amplifier, system can be carried out Flexible braking.But during the Braking system, because of non-linear possessed by hydraulic system itself, parameter slow time-varying characteristic, easily cause " downslide of hill start load instantaneous " under heavy duty and system pressure impact phenomenon during parking, have a strong impact on system operation reliability and The Hydraulic Elements life-span.Meanwhile to build volume exclusion larger for the brakes.
Patent 201210160823.1 discloses a kind of for the drive brake fluid system of mining elevator and braking Method, it makes brake cylinder declutch by combining master control solenoid directional control valve after direct current relief valve pressure regulating, when event occurs in master control set During barrier, speed is interrogated by direct current overflow valve pressure oil input mode is switched into standby control device.When the pressure for needing adjustment brake cylinder During force value, pressure regulation solenoid directional control valve obtains the purpose for, reaching degree is fited between regulation brake cylinder and damper brake in electrical communication, and then Control winch speed.It uses closed type brake, declutch work when system be chronically at overflow situation, high energy consumption, and hydraulic pressure Oil temperature rises very fast, it is possible to causes system performance degradation.Meanwhile brake pressure can not avoid different works by presetting The drastically abrasion of condition and load braking, influences brake life.
Patent 201280006772.5 discloses a kind of electro-hydraulic system for vehicle braking control based on normally opened brake Dynamic systems approach and equipment, it include with it is at least one can hydraulic braking open wheel brake, it takes turns brake can be by Braked in electronically controlled voltage supply equipment, brake pressure is hydraulic pressure set in advance.But hydraulic pressure set in advance The high efficiency and low wear braking of different operating modes and load can not be adapted to simultaneously, caused Part load to wear transition, be have impact on brake Life-span, and security is poor under unexpected operating mode of the normally opened brake of its control under the environment such as ocean and mine.
Worked under marine environment, lash ship proposes restrictive requirement, ocean brake system of winch to ocean winch space-consuming Building space must be compact.The oil absorption of marine low temperature environmental requirement brakes at activity duration, season and diverse location It is higher, to meet the reliability and adaptability of complicated ocean environment work.Normally closed brake declutches normal work under cramped construction Caused spill losses is bigger, causes the influence of system performance degradation to become apparent from, energy consumption is higher.Advance brake pressure setting can not The high efficiency and low wear braking of different operating modes and load is adapted to, the brake bush life-span is shorter.Existing brake system of winch can not Overcome disadvantage mentioned above simultaneously, meet ocean brake system of winch volume occupy little space, be safe, strong adaptability, energy consumption it is low The high requirement with reliability.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provide it is a kind of it is simple in construction, occupy little space, be safe, Strong adaptability, energy consumption be low and the high ocean winch electro-hydraulic brake system based on Closed Hydraulic brake of reliability, the braking system System can be braked to high efficiency and low wear under ocean winch different loads and operating mode.
The utility model solve above-mentioned technical problem technical scheme be:A kind of ocean based on Closed Hydraulic brake twists Car electro-hydraulic brake system, including fuel tank, hydraulic pump, threephase asynchronous, manual maintenance pump, suck-back prevent valve, brake hard Insert switching valve, normally closed floating type hydraulic brake, winding drum brake disc, drum speed encoder, accumulator, flexible braking inserting Switching valve, flexible braking pressure regulator valve, manual maintenance control valve, safety valve and PLC control devices;
Described fuel tank is connected by the oil inlet of pipeline and hydraulic pump, and the oil-out of hydraulic pump is prevented by pipeline and suck-back Only the oil inlet connection of valve, hydraulic pump are connected with threephase asynchronous;Suck-back prevent the oil-out of valve by in-line with The hydraulic fluid port connection of two normally closed floating type hydraulic brakes, two normally closed floating type hydraulic brakes are arranged symmetrically in winding drum brake disc two Side, described drum speed encoder are arranged at the drum center of winding drum brake disc;
The oil inlet of described safety valve is connected by pipeline with in-line, and the oil-out of safety valve passes through oil returning tube Be linked back fuel tank;The hydraulic fluid port of described accumulator inserts the oil inlet of switching valve by pipeline with in-line and flexible braking respectively Connection;The oil-out of flexible braking inserting switching valve is connected with the oil inlet of flexible braking pressure regulator valve;Brake hard inserting switching The oil inlet of valve is connected with in-line;
The oil inlet of described manual maintenance control valve and brake hard insert going out for switching valve and flexible braking pressure regulator valve Hydraulic fluid port is connected, and oil-out is connected on return line;The oil inlet of described manual maintenance pump is connected by pipeline with fuel tank, hand It is dynamic to safeguard that the oil-out of pump is connected to the pipeline that suck-back prevents valve oil-out to be connected with the hydraulic fluid port of normally closed floating type hydraulic brake On;
Described PLC control devices insert with threephase asynchronous, brake hard inserting switching valve, flexible braking respectively Switching valve, safety valve, flexible braking pressure regulator valve, the connection of drum speed encoder.
In the above-mentioned ocean winch electro-hydraulic brake system based on Closed Hydraulic brake, suck-back prevent valve oil-out with often The pipeline for closing the hydraulic fluid port connection of floating type hydraulic brake is provided with electro connecting pressure gauge, and electro connecting pressure gauge fills with PLC controls Put connection.
In the above-mentioned ocean winch electro-hydraulic brake system based on Closed Hydraulic brake, described hydraulic pump is arranged on oil In case, hydraulic pump is connected by shaft coupling and transition interfacing orchid with threephase asynchronous, and threephase asynchronous is positioned at oil Outside case.
In the above-mentioned ocean winch electro-hydraulic brake system based on Closed Hydraulic brake, fuel tank is provided with air cleaner And liquid level gauge;The bottom of fuel tank is provided with drain oil, and purge cock is provided with drain oil;Electric heater and electric contact are provided with fuel tank Thermometer;Liquid level gauge, electric heater and electric contact thermometer are connected with PLC control devices respectively.
In the above-mentioned ocean winch electro-hydraulic brake system based on Closed Hydraulic brake, described return line is provided with Oil return cleaner, pollution signalling generator is provided with oil return cleaner, and pollution signalling generator is connected with PLC control devices.
In the above-mentioned ocean winch electro-hydraulic brake system based on Closed Hydraulic brake, in addition to oil circuit circuit board, oil Road circuit board is arranged on fuel tank, accumulator, brake hard inserting switching valve, flexible braking inserting switching valve, and flexible braking is adjusted Pressure valve, manual maintenance control valve, oil return cleaner and safety valve are arranged on oil circuit circuit board.
Compared with prior art, the beneficial effects of the utility model are:
1. hydraulic pump of the present utility model is arranged in fuel tank, hydraulic control component is arranged in fuel tank by oil circuit circuit board On, spaces compact, meet the requirement that lash ship is limited ocean winch space, strong adaptability.
2. the utility model declutches during normal work, by limit switch above and below electro connecting pressure gauge, system three-phase is carried out Asynchronous motor start and stop holding pressure control, the influence that long-time spill losses causes system performance degradation was both avoided, had also been eliminated simultaneously System sudden change pressure causes the phenomenon of threephase asynchronous repeatedly starting and stopping, and system energy consumption reduces.
3. the utility model can determine flexible braking pressure according to friction plate material wear rate and friction plate life expectancy, The drastically abrasion of friction plate is avoided, improves friction plate service life.
4. being provided with electric heater in the utility model fuel tank, working oil temperature of the present utility model can be improved, ensure low temperature The oil absorption of pump under environment, system reliability and adaptability are higher.
5. the utility model is provided with manual maintenance pump and manual maintenance control valve, during the utility model dead electricity, brake is normal Close, can manually adjust manual maintenance control valve and system is safeguarded, system maintenance and high safety.
Brief description of the drawings
Fig. 1 is hydraulic control circuit structure chart of the present utility model.
Fig. 2 is automatically controlled wiring arrangement figure of the present utility model.
Fig. 3 is that the utility model declutches normal work control block diagram.
Fig. 4 is the utility model brake hard control block diagram.
Fig. 5 is the utility model flexible braking control block diagram.
In figure:1st, purge cock, 2, liquid level gauge, 3, hydraulic pump, 4, shaft coupling, 5, transition interfacing it is blue, 6, air-filtering Device, 7, threephase asynchronous, 8, manual maintenance pump, 9, suck-back prevent valve, 10, electro connecting pressure gauge, 11, oil circuit circuit board, 12nd, normally closed floating type hydraulic brake, 13, winding drum brake disc, 14, drum speed encoder, 15, accumulator, 16, flexible braking Insert switching valve, 17, flexible braking pressure regulator valve, 18, manual maintenance control valve, 19, safety valve, 20, oil return cleaner, 21, dirty Contaminate signalling generator, 22, electric heater, 23, fuel tank, 24, electric contact thermometer, 25, brake hard inserting switching valve.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As shown in Figure 1-2, the utility model includes fuel tank 23, hydraulic pump 3, threephase asynchronous 7, manual maintenance pump 8, Suck-back prevents valve 9, brake hard inserting switching valve 25, oil circuit circuit board 11, normally closed floating type hydraulic brake 12, reel brake Hull 13, drum speed encoder 14, accumulator 15, flexible braking inserting switching valve 16, flexible braking pressure regulator valve 17, manually Safeguard control valve 18, safety valve 19 and PLC control devices.
Described fuel tank 23 is provided with air cleaner 6 and liquid level gauge 2;The bottom of fuel tank 23 is provided with drain oil, drain oil Place is provided with purge cock 1;Electric heater 22 and electric contact thermometer 24 are provided with fuel tank 23, work of the present utility model can be improved Make oil temperature, ensure the oil absorption of pump under low temperature environment so that reliability and adaptability of the present utility model are higher.
Described hydraulic pump 3 is arranged in fuel tank 23, and hydraulic pump 3 is different by shaft coupling 4 and transition interfacing orchid 6 and three Step motor 7 connects, and threephase asynchronous 7 is located at outside fuel tank 23.The oil inlet of hydraulic pump 3 is accessed in fuel tank 23 by pipeline Under fluid liquid level, the oil-out of hydraulic pump 3 prevents the oil inlet of valve 9 to be connected by the pipeline on oil circuit circuit board 11 with suck-back. Suck-back prevents the oil-out of valve 9 from passing through the in-line on oil circuit circuit board 11 and the oil of two normally closed floating type hydraulic brakes 12 Mouth connection, in-line are provided with electro connecting pressure gauge 10.The utility model declutch normal work when, pass through electro connecting pressure gauge Upper and lower limit switch, system threephase asynchronous start and stop holding pressure control is carried out, both avoided long-time spill losses and caused system The influence of performance degradation, also eliminate the phenomenon that system sudden change pressure causes threephase asynchronous repeatedly starting and stopping, system simultaneously Energy consumption reduces.
Two described normally closed floating type hydraulic brakes 12 are arranged symmetrically in the both sides of winding drum brake disc 13, described reel Rotating speed coder 14 is arranged at the center of the reel of winding drum brake disc 13.The oil inlet of safety valve 18 passes through pipeline and oil inlet pipe Road is connected, and the oil-out of safety valve 18 is linked back fuel tank by the oil returning tube on oil circuit circuit board 11, and oil returning tube is provided with back Oil rectifier 20, pollution signalling generator 21 is installed on oil return cleaner 20.The hydraulic fluid port of described accumulator 15 is integrated by oil circuit Oil inlet of the pipeline respectively with in-line and flexible braking inserting switching valve 16 on plate 11 is connected;Flexible braking inserting is cut The oil-out for changing valve 16 is connected with the oil inlet of flexible braking pressure regulator valve 17;Brake hard inserting switching valve 25 oil inlet with In-line connects.
The oil inlet of described manual maintenance control valve 18 and brake hard inserting switching valve 25 and flexible braking pressure regulator valve The connection of 17 oil-outs, the oil-out of manual maintenance control valve 18 is connected on return line.Described manual maintenance pump 8 enters Hydraulic fluid port is connected by pipeline with fuel tank 23, on the oil-out connection in-line of manual maintenance pump 8.Described oil circuit circuit board 11 On fuel tank 23, electro connecting pressure gauge 10, accumulator 15, brake hard inserting switching valve 25, flexible braking inserting switching Valve 16, flexible braking pressure regulator valve 17, manual maintenance control valve 18, oil return cleaner 20 and safety valve 18 are arranged on oil circuit collection Into on plate 11.
As shown in Fig. 2 described PLC control devices insert switching valve with threephase asynchronous 7, brake hard respectively 25th, flexible braking inserting switching valve 16, drum speed encoder 14, flexible braking pressure regulator valve 17, safety valve 19, liquid level gauge 2, Electro connecting pressure gauge 10, electric heater 22 and electric contact thermometer 24 and pollution signalling generator 21 connect.PLC control devices are provided with pine Lock play button, emergency stop button and flexible braking button.
As shown in Fig. 2 the ocean winch electro-hydraulic brake system controlling party of the present utility model based on Closed Hydraulic brake Method, its concrete operations are as follows:
(1)When manual maintenance operates, manual maintenance control valve 18, operation manual maintenance pump 8, normally closed floating type braking are closed Device 12 unclamps;Manual maintenance control valve 18 is opened, brake is closed;
(2)As shown in figure 3, it is automatically controlled declutch work when, manual maintenance control valve 18 is opened, and startup is declutched play button, is led to Cross the lower position switch of liquid level gauge 2, the pollution switch of signalling generator 21 detection liquid level and oil cleanliness.By under electric contact thermometer 24 Limit switch, start control electric heater 22, oil liquid temperature is maintained more than 20 DEG C;Brake hard inserts switching valve 25 and soft Property braking inserting switching valve 16 it is electric, normally closed floating type hydraulic brake 12 declutches;
When the pressure in in-line is more than the higher limit of electro connecting pressure gauge 10When, by the pressurize of accumulator 15, three is different Step motor 7 shuts down;When system pressure is less than the lower limit of electro connecting pressure gauge 10When, threephase asynchronous 7 is again Operating.Wherein:
(1)
In formula,System pressure corresponding to normally closed floating type hydraulic brake total travel opening;It is normally closed floating Actuated hydraulic brake opens system pressure corresponding to half stroke;
(3)As shown in figure 4, during automatically controlled brake hard, manual maintenance control valve 18 is opened, and starts the tight of PLC control devices Anxious locking key, the brake hard inserting dead electricity of switching valve 25, flexible braking inserting switching valve 16 must be electric, and system is promptly made Dynamic, when the tacho signal value of drum speed encoder 14 is 0, end of braking, threephase asynchronous 7 shuts down, flexible The braking inserting dead electricity of switching valve 16.
(4)As shown in figure 5, during automatically controlled flexible braking, manual maintenance control valve 18 is opened, and starts the soft of PLC control devices Property locking key, brake hard inserting switching valve 25 it is electric, flexible braking inserting the dead electricity of switching valve 16, control system is according to volume The tachometer value of cylinder rotating speed coder 14, the regulation pressure to flexible braking pressure regulator valve 17Assignment is carried out, system carries out flexible system Dynamic, when the tacho signal value of drum speed encoder 14 is 0, end of braking, threephase asynchronous 7 shuts down, promptly The braking inserting dead electricity of switching valve 25.Wherein:
(2)
In formula,The rotating speed measured value of drum speed encoder;Rotating speed under the winch nominal operation of ocean.
Low abrasion rotating speed adapts to pressure compensation coefficient, true according to friction plate material wear rate and friction plate life expectancy It is fixed as follows:
(3)
In formula,The maximum braking force of normally closed floating type hydraulic brake checking cylinder;Drum speed;Friction plate with The coefficient of friction of brake disc;Friction plate is expected replacing construction;Friction plate changes wear-thickness;Wear rate.

Claims (6)

1. a kind of ocean winch electro-hydraulic brake system based on Closed Hydraulic brake, it is characterized in that:Including fuel tank, hydraulic pump, Threephase asynchronous, manual maintenance pump, suck-back prevent valve, brake hard inserting switching valve, normally closed floating type hydraulic brake, Winding drum brake disc, drum speed encoder, accumulator, flexible braking inserting switching valve, flexible braking pressure regulator valve, manual maintenance control Valve processed, safety valve and PLC control devices;
Described fuel tank is connected by the oil inlet of pipeline and hydraulic pump, and the oil-out of hydraulic pump prevents valve by pipeline and suck-back Oil inlet connection, hydraulic pump is connected with threephase asynchronous;Suck-back prevents that the oil-out of valve is normal with two by in-line The hydraulic fluid port connection of floating type hydraulic brake is closed, two normally closed floating type hydraulic brakes are arranged symmetrically in winding drum brake disc both sides, Described drum speed encoder is arranged at the drum center of winding drum brake disc;
The oil inlet of described safety valve is connected by pipeline with in-line, and the oil-out of safety valve is linked back by oil returning tube Fuel tank;The oil inlet that the hydraulic fluid port of described accumulator inserts switching valve by pipeline with in-line and flexible braking respectively connects Connect;The oil-out of flexible braking inserting switching valve is connected with the oil inlet of flexible braking pressure regulator valve;Brake hard inserts switching valve Oil inlet be connected with in-line;
The oil inlet of described manual maintenance control valve and brake hard inserting switching valve and the oil-out of flexible braking pressure regulator valve Connection, oil-out are connected on return line;The oil inlet of described manual maintenance pump is connected by pipeline with fuel tank, manually dimension The oil-out of shield pump is connected on the pipeline that suck-back prevents valve oil-out to be connected with the hydraulic fluid port of normally closed floating type hydraulic brake;
Described PLC control devices switch with threephase asynchronous, brake hard inserting switching valve, flexible braking inserting respectively Valve, safety valve, flexible braking pressure regulator valve, the connection of drum speed encoder.
2. the ocean winch electro-hydraulic brake system according to claim 1 based on Closed Hydraulic brake, it is characterized in that: Suction prevents the pipeline that valve oil-out is connected with the hydraulic fluid port of normally closed floating type hydraulic brake to be provided with electro connecting pressure gauge, electric contact Pressure gauge is connected with PLC control devices.
3. the ocean winch electro-hydraulic brake system according to claim 1 based on Closed Hydraulic brake, it is characterized in that:Institute The hydraulic pump stated is arranged in fuel tank, and hydraulic pump is connected by shaft coupling and transition interfacing orchid with threephase asynchronous, and three Phase asynchronous motor is located at outside fuel tank.
4. the ocean winch electro-hydraulic brake system according to claim 2 based on Closed Hydraulic brake, it is characterized in that:Oil Case is provided with air cleaner and liquid level gauge;The bottom of fuel tank is provided with drain oil, and purge cock is provided with drain oil;Set in fuel tank There are electric heater and electric contact thermometer;Liquid level gauge, electric heater and electric contact thermometer are connected with PLC control devices respectively.
5. the ocean winch electro-hydraulic brake system according to claim 4 based on Closed Hydraulic brake, it is characterized in that:Institute The return line stated is provided with oil return cleaner, and pollution signalling generator is provided with oil return cleaner, and pollution signalling generator controls with PLC Device connects.
6. the ocean winch electro-hydraulic brake system according to claim 5 based on Closed Hydraulic brake, it is characterized in that:Also Including oil circuit circuit board, oil circuit circuit board is arranged on fuel tank, accumulator, brake hard inserting switching valve, flexible braking inserting Switching valve, flexible braking pressure regulator valve, manual maintenance control valve, oil return cleaner and safety valve are arranged on oil circuit circuit board.
CN201720390510.3U 2017-04-14 2017-04-14 Ocean winch electro-hydraulic brake system based on Closed Hydraulic brake Withdrawn - After Issue CN206634964U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720390510.3U CN206634964U (en) 2017-04-14 2017-04-14 Ocean winch electro-hydraulic brake system based on Closed Hydraulic brake

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Application Number Priority Date Filing Date Title
CN201720390510.3U CN206634964U (en) 2017-04-14 2017-04-14 Ocean winch electro-hydraulic brake system based on Closed Hydraulic brake

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106882722A (en) * 2017-04-14 2017-06-23 湖南科技大学 Ocean winch electro-hydraulic brake system and control method based on Closed Hydraulic brake

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106882722A (en) * 2017-04-14 2017-06-23 湖南科技大学 Ocean winch electro-hydraulic brake system and control method based on Closed Hydraulic brake
CN106882722B (en) * 2017-04-14 2022-05-03 湖南科技大学 Ocean winch electro-hydraulic braking system based on closed hydraulic brake and control method

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Granted publication date: 20171114

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